69 results on '"Hsiao-Yun Chang"'
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2. Nurse‐led shared decision‐making on complementary therapy use by patients with diabetes: An participatory action research
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Hsiao‐Yun Chang, Pei‐Ling Mao, and Chun‐Yu Huang
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General Medicine ,General Nursing - Published
- 2023
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3. Evaluating Organ Donation Decision in ICU Patients’ Families by Analytic Network Process Approach
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Chia-Lun Lo, Hsiao-Yun Chang, and Guang-Mao Lee
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Intensive Care Units ,Tissue and Organ Procurement ,Article Subject ,Decision Making ,Biomedical Engineering ,Humans ,Family ,Health Informatics ,Surgery ,Tissue Donors ,Biotechnology - Abstract
The imbalance between supply and demand for organs has been a global crisis, despite the efforts of transplant coordinators from healthcare institutions to promote donor registration. Because the patient’s family has legal rights over the patient’s remains, they can easily undermine any efforts spent on organ procurement by simply refusing the patient’s consent before death in practice. Most related studies seldom mention the decision-making on organ donation from patients’ families. The objectives of this study are to find what are the priorities of those factors acting as the pillars of organ donation by patients’ families. This study applied the analytic network process (ANP) to the prioritization factors contributing toward the willingness of families to donate organs of intensive care unit patients. The purposive sampling method used structured questionnaires and ANP questionnaires to enroll 180 patients’ families from five intensive care units who met the criteria in the regional teaching hospital of southern Taiwan. Through the ANP analysis, it was found that when family members made organ donation decisions, the weights of the four domains are as follows: psychology—47.6%, externality—20.3%, spirituality—19.7%, and physiology—12.3%. The main decision-making factors that influenced the weighting factors were “attitude” (31.5%), “physician’s experience” (0.88%), “religion” (19.3%), and “organ selection” (31.9%). These results could assist organ donation teams to take the best strategies for persuading people to agree with organ donation and formulating an individual organ donation plan.
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- 2022
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4. Effects of the direction of Kinesio taping on sensation and postural control before and after muscle fatigue in healthy athletes
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Min-Hao Hung, Hui-Ya Chen, Yun-Chi Chang, Chun-Wen Chiu, and Hsiao-Yun Chang
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Multidisciplinary - Abstract
In this study, Kinesio tape (KT) was applied in two different directions to the gastrocnemius muscle, the most important muscle in stance stability, to investigate the effect of different taping directions on overall balance and sensation systems before versus after muscle fatigue. The participants, comprising 45 healthy athletes, were randomly divided into three groups: the placebo taping group (PTG), the facilitation KT group (FKTG), and the inhibition KT group (IKTG). The tests involved in this study were a balance test, a superficial sensory function test, and a combined cortical sensation test. The data from these tests were collected before taping, after taping and a 10-min rest, and immediately after continuous heel raises were performed to fatigue. The results of the balance tests showed no significant group × time interaction, whether subjects stood barefoot on one foot or stood on a soft mat with eyes open or closed (p > 0.05). Only the sway distance and sway velocity of the center of pressure (COP) when subjects stood barefoot on one foot with eyes open were significantly higher in the inhibition taping group than in the placebo taping group (p
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- 2023
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5. A long-term ichthyoplankton monitoring program suggests climate-induced environmental variabilities changed fish communities in the Hudson River estuary
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Hsiao-Yun Chang, Kim McKown, and Yong Chen
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Global and Planetary Change ,Ocean Engineering ,Aquatic Science ,Oceanography ,Water Science and Technology - Abstract
Climate change is known to have significant impacts on coastal marine ecosystems. However, a good understanding of the exact impacts requires consistent long-term monitoring programs, which are not available for many coastal marine ecosystems. The Hudson River Estuary (HRE) provides critical habitats for many estuarine, freshwater, and diadromous species. The Longitudinal River Ichthyoplankton Survey and Water Quality Survey in the Hudson River Biological Monitoring Program provided a long-term time series (1974-2017) for examining the changes in salinity and other environmental variables and identifying the temporal variability of fish diversity. In this study, we examined the environmental data and found a 2-phase pattern in the salinity time series data with a change point of 1984. We calculated a Margalef index and a Simpson index to examine species richness and evenness for early and older life stages in the upper and lower HRE, and explored the potential effects of rising sea level and salinity on fish biodiversity. This study reveals that sea level and salinity may play an important part in explaining increased species richness and evenness. The increased occurrence, establishment and range expansion of marine species as well as possible displacement of freshwater species may be associated with sea level-induced salinity change observed in the HRE. This study highlights a need for a long-term consistent monitoring program and a better understanding of climate change effects on the biota in coastal estuary ecosystems such as the HRE in order to enhance management, conservation, and restoration plans.
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- 2023
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6. Factors Considered Important by Healthcare Professionals for the Management of Using Complementary Therapy in Diabetes: A Text-Mining Analysis
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Hsiao-Yun Chang, Ya-Hui Yang, Chia-Lun Lo, and Yu-Yao Huang
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Marketing ,Pharmacology ,Organizational Behavior and Human Resource Management ,Strategy and Management ,Drug Discovery ,Pharmaceutical Science - Abstract
Text-mining algorithms can identify the most prevalent factors of risk-benefit assessment on the use of complementary and integrative health approaches that are found in healthcare professionals' written notes. The aims of this study were to discover the key factors of decision-making on patients' complementary and integrative health use by healthcare professionals and to build a consensus-derived decision algorithm on the benefit-risk assessment of complementary and integrative health use in diabetes. The retrospective study of an archival dataset used a text-mining method designed to extract and analyze unstructured textual data from healthcare professionals' responses. The techniques of classification, clustering, and extraction were performed with 1398 unstructured clinical notes made by healthcare professionals between 2019 and 2020. The most important factor for decision-making by healthcare professionals about complementary and integrative health use in patients with diabetes was the ingredients of the product. Other important factors were the patient's diabetes control, the undesirable effects from complementary and integrative health, evidence-based complementary and integrative health, medical laboratory data, and the product's affordability. This exploratory text-mining study provides insight into how healthcare professionals decide complementary and integrative health use for patients with diabetes after a risk-benefit assessment from clinical narrative notes.
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- 2022
7. Development of the Benefit-Risk Assessment of Complementary and Alternative Medicine Use in People With Diabetes
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Hwai-Luh Chang, Hsiao-Yun Chang, and Chia-Lun Lo
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Complementary Therapies ,Organizational Behavior and Human Resource Management ,Delphi Technique ,Computer science ,Process (engineering) ,Strategy and Management ,media_common.quotation_subject ,MEDLINE ,Pharmaceutical Science ,Organizational culture ,Analytic hierarchy process ,Risk Assessment ,Consistency (negotiation) ,Voting ,Drug Discovery ,Diabetes Mellitus ,Humans ,media_common ,computer.programming_language ,Marketing ,Pharmacology ,Hierarchy ,Analytic Hierarchy Process ,Risk analysis (engineering) ,computer ,Delphi - Abstract
This study aimed to develop consensus on a decision-making algorithm for benefit-risk assessment of complementary and alternative medicine use in people with diabetes. Delphi-analytic hierarchy process was used with an anonymous voting scheme, based on a three-round procedure, to achieve consensus regarding the important criteria of decision-making algorithm to assess the benefit-risk ratio of complementary and alternative medicine use in people with diabetes. A total of five criteria were considered, namely, the safety of usage (weightage: 46.6%), diabetes-specific patient data (14.6%), complementary and alternative medicine attributes (14.2%), institutional culture in complementary and alternative medicine use (12.8%), and applicability of complementary and alternative medicine (11.8%). The consistency of this hierarchy structure was computed based on the following indices: λmax = 5.041, consistency index = 0.01; random consistency index =1.781; and consistency ratio = 0.009. All criteria to optimize decision-making in ensuring safe use of complementary and alternative medicine in patients with diabetes should be considered by healthcare professionals.
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- 2021
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8. Population Structures and Diets of Two Species of Pisodonophis (Ophichthidae) from the Southwest Coast of Taiwan
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Yih-Tsong Ueng, Chun-Wen Tsao, Hung-Du Lin, Hsiao-Yun Chang, and Feng-Jiau Lin
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Wet season ,education.field_of_study ,geography ,geography.geographical_feature_category ,biology ,Population ,General Engineering ,Intertidal zone ,Estuary ,Ophichthidae ,biology.organism_classification ,Shrimp ,BORO ,Animal science ,General Earth and Planetary Sciences ,Pisodonophis ,education ,General Environmental Science - Abstract
This study was used to lift nets and trap net fishing at intertidal zone of lagoon and estuarine regions of southern Taiwan. From July 2013 to July 2018, a total 420 specimens of Pisodonophis were analyzed, the average total body length (TL) and average body weight (W) of P. boro eels are 68.4 ± 11.9 cm and 140.4 ± 86.1 g (N = 194), respectively. Typically, P. cancrivorus eels are smaller (TL = 52.8 ± 9.2 cm) and lighter (W = 107.9 ± 73.7 g [N = 119]) than P. boro eels. The natural logarithmic linear relationships between the TL and W of P. boro and P. cancrivorus are respectively expressed as ln(W)b = 2.4405 ln(TL) − 5.4448 (R2 = 0.796, N = 194) and ln(W)c = 3.2168 ln(TL) − 8.2027, (R2 = 0.934, N= 119). P. cancrivorus typically preys on shrimp, crab, and fish; lab assessment revealed that the frequencies of occurrence of these foods in their guts were 49%, 21%, and 15%, respectively (N = 100). The main catch months of P. boro were during the rainy season, and that of P. cancrivorus were the winter season in Taiwan. The average W values of P. boro from Jhuoshuei and Puzih estuaries were 343.2 ± 218.8 g (N = 91) and 140.4 ± 86.1 g (N = 194), respectively. Furthermore, the results of the study revealed that the Puzih estuary is overfished. We suggest that fishery management units should develop some protection measures for the conservation of aquatic ecosystems in estuarine regions. For example, the P. boro weighing less than 113 g will be released back to the estuary.
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- 2021
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9. Literature Development Trajectory of LED Smart Street Lighting by Main Path Analysis
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Kuel-Kuel Lai, Adam Kao-Wen Weng, and Hsiao-Yun Chang
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- 2022
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10. Effects of Applied Direction of Kinesio Taping in Sensation and Postural Control between Pre- and Post- Muscle Fatigue for Healthy Athletes
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Min-Hao Hung, Hui-Ya Chen, Yun-Chi Chang, Chun-Wen Chin, and Hsiao-Yun Chang
- Abstract
Purpose: This study aimed to use two different taping directions on the gastrocnemius muscle, the most important muscle for stance stability, to further investigate the effect of different taping directions on overall balance and sensation systems before versus after muscle fatigue.Methods: The participants were 45 healthy athletes who random control method was divided into 3 groups: Placebo taping group (PTG), Facilitation KT group (FKTG), and Inhabitation KT group (IKTG). The neuromuscular balance ability and sensory function test were before versus after muscle fatigue.Results: The two-point discrimination sensitivity of the facilitation taping group was significantly higher than that of the placebo taping group. The eyes open swaying distance of the inhibition taping group was significantly greater than that of the placebo taping group before taping, after taping, and after fatigue from exercise. The swaying speed was also significantly higher in the inhibition taping group than in the placebo and facilitation taping groups. When the participants stood barefoot on one foot with the eyes closed, no significant differences were noted among groups. When standing on a soft cushion on one foot with the eyes open, significant differences were noted between the inhibition taping group and both the placebo and facilitation taping groups before taping, after taping, and after fatigue from exercise . When standing on a soft cushion on one foot with the eyes closed, there were significant differences in the duration of standing among the three groups before taping and after fatigue from exercise.Conclusion: The results of the present study show that muscle taping effectively improves athletes’ proprioception. Therefore, muscle taping during exercise can help to increase the balance of, improve the performance of, and prevent ankle sprains in athletes.
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- 2022
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11. Single leg drop jump performance identifies functional deficit in collegiate athletes who have returned to sports after ACL reconstruction: A case–control study
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Han Wei Lem, Shih-Chung Cheng, Hsiao-Yun Chang, Min-Hao Hung, and Wen-Ling Yeh
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General Medicine - Published
- 2022
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12. [The Relationship Between Symptoms and Nursing Diagnoses in Hospitalized Patients With Dengue Fever]
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Jo-Tzu, Shang, Yun-Yi, Wang, Hsiao-Yun, Chang, Chia-Lun, Lo, Yen-Hsu, Chen, and Chen-I, Chien
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Adult ,Dengue ,Hospitalization ,Young Adult ,Fever ,Nursing Diagnosis ,Humans ,Middle Aged ,Aged ,Retrospective Studies - Abstract
Supportive care is a primary method for treating dengue fever. Understanding the symptoms of dengue fever and its related nursing diagnosis is crucial for nurses as references for individual care. This research study was motivated by the few literature reviews available on this topic.This study was developed to elucidate the symptoms experienced by hospitalized patients with dengue fever and to compare the consistency between symptoms and nursing diagnoses.A retrospective descriptive research method was employed. The data were collected from the electronic medical records of patients in the data pools of two regional hospitals in Kaohsiung City. A total of 105 patient records were acquired covering the period 2014-2016. IBM SPSS Statistics v22 was used to examine the descriptive statistics of patient attributes and symptoms of dengue fever using averages and percentages and the inferential statistics of symptoms, hospitalization days, and nursing diagnosis using the Chi-square test and Kappa consistency coefficient.The average age of inpatients was 51.0 ± 27.3 years and the average length of hospital stays was 6.1 ± 3.6 days. The common symptoms were fever and headache. The consistency between nursing diagnosis and symptoms ranged up to 45.4%, including hyperthermia, acute pain, nausea, risk of ineffective gastrointestinal perfusion, and risk of bleeding. Inconsistency of nursing diagnosis was found to be 27.3%, including anxiety, deficient fluid volume, and risk of falls. The rate of undiagnosed symptoms was found to be 27.3%, including diarrhea, risk of infection, and impaired oral mucous membrane.The reasons for the inconsistency between symptoms and nursing diagnoses may relate to insufficient nursing knowledge of dengue fever and inadequate nursing diagnosis education resulting in insufficient clinical experience / poor judgment amongst nursing staff. The findings of this study suggest the need for continuity of education to make the use of a dengue-fever-symptom checklist more widespread in patient care.登革熱住院病人症狀與護理診斷之相關研究.登革熱臨床處置以支持性療法為主,了解症狀及所需護理診斷可作為護理人員提供個別性照護的參考,但目前無相關研究,故進行本研究。.了解登革熱住院病人的症狀,並探討與護理診斷之一致性。.採回溯性描述性研究設計,資料庫為高雄兩家區域醫院符合疾病診斷碼之住院病人電子病歷,於2014年至2016年間共萃取105位病人資料。運用IBM SPSS Statistics v22,以平均數、百分比進行病人屬性及登革熱症狀之描述性統計,以卡方檢定及Kappa一致性係數進行症狀與住院天數、護理診斷之推論性統計。.住院病人平均51.0 ± 27.3歲,平均住院6.1 ± 3.6天,常見症狀為發燒及頭痛;分析護理診斷與症狀之一致性達45.4%,含體溫過高、急性疼痛、噁心、潛在危險性胃腸灌流失效、潛在危險性出血;無一致性佔27.3%:焦慮、體液容積缺失、潛在危險性跌倒;有症狀卻無護理診斷佔27.3%:腹瀉、潛在危險性感染、口腔黏膜障礙。.臨床症狀與護理診斷不符之可能原因是對登革熱及護理診斷教育不足,導致護理人員在臨床上缺乏經驗或判斷力,建議加強繼續教育並善用「登革熱症狀查檢表」,以提供個別性照護。.
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- 2021
13. The effect of a virtual simulation-based educational application on nursing students' belief and self-efficacy in communicating with patients about complementary and alternative medicine
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Hsiao-Yun, Chang, Ching Hsiu, Chen, and Chien Wei, Liu
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Complementary Therapies ,Humans ,Education, Nursing, Baccalaureate ,Students, Nursing ,Clinical Competence ,Self Efficacy ,General Nursing ,Education - Abstract
Simulation-based learning that focuses on the development and assessment of communication and counseling skills can help nursing students achieve better skill performance and gain self-confidence with decision-making ability. It is unknown whether virtual simulation as an instructional design significantly improves educational outcomes than a traditional lecture with low-fidelity simulation in students.The aim was to explore the effect of a virtual simulation-based educational smartphone application on nursing students' beliefs and self-efficacy in communicating with patients about complementary and alternative medicine (CAM) use.A quasi-experimental study with pretest-posttest nonequivalent control group design.A total of 101 nursing students, who were in their second or third-year nursing program at a Southern Taiwan university volunteered to participate in the academic year 2020-2021. Participants were assigned to an experimental or control group in an elective course.All participants received a 4-hour lecture that included an in-class lecture with low-fidelity simulation (paper-based scenarios) about the risk-benefit assessment of a patient's CAM use. The experimental group received a series of 13 virtual simulation exercises with clinical scenarios by means of a smartphone application. Data from belief and self-efficacy scales were collected at the beginning and end of the course from September 2020 to February 2021. Descriptive and inferential statistics were analyzed using the IBM® SPSS® version 23.0.Although both groups significantly improved their belief and self-efficacy scale scores, the experimental group had significant differences in overall self-efficacy in communicating with patients about CAM use compared with the control group, specifically the CAM perceptions and self-confidence scores.Although both in-class and virtual simulation improved nursing students' belief and self-efficacy, the virtual simulation-based educational app is effective as an adjunct learning tool in significantly increasing nursing students' self-efficacy in communicating with patients about CAM use to help minimize their risks.
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- 2022
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14. The effects of a virtual simulation-based, mobile technology application on nursing students' learning achievement and cognitive load: Randomized controlled trial
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Yueh-Chin Wang, Yi-Chuan Chang, Hsiao-Yun Chang, Hui-Fang Wu, and Yun-Shan Tseng
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Technology ,Acquiring skills ,education ,Taiwan ,03 medical and health sciences ,0302 clinical medicine ,Cognition ,Nursing ,Humans ,Mobile technology ,030212 general & internal medicine ,Nurse education ,General Nursing ,Simulation ,030504 nursing ,Education, Nursing, Baccalaureate ,Mobile Applications ,Test (assessment) ,Virtual learning environment ,Students, Nursing ,Clinical Competence ,0305 other medical science ,Psychology ,Cognitive load ,Instructional simulation - Abstract
Background The use of virtual simulation methods in nursing education offers potential advantages for students to experience and learn in a safe and realistic environment by acquiring skills and attitudes to prepare for clinical experiences. Objective The study's aim was to test the hypothesis that nursing students who used a mobile learning app would have significantly (1) higher levels of knowledge about medication administration and nasotracheal suctioning, (2) better development of skill performances on medication administration and nasotracheal suctioning, (3) higher satisfaction, and (4) lower cognitive load than a control group. Design A randomized experimental study with pretest and posttest design. Settings and participants One hundred nursing students were randomly assigned to an experimental or control group at a Southern Taiwan university's school of nursing. Methods The experimental group received the virtual simulation-based mobile learning app and the control group used traditional paper materials. Participants were assessed on knowledge before and after the intervention. Skill performance and intrinsic and extraneous cognitive load were measured after the intervention. Results The experimental group who used the mobile app had significantly higher knowledge scores, significantly lower intrinsic and extraneous cognitive load, better skill performance, and higher satisfaction than the control group. Conclusions The implementation of a mobile app for simulation learning had a positive impact on nursing students’ knowledge and skill performances as well as the reduction of learning cognitive loading. Nurse educators and researchers should collaborate in developing virtual learning resources to support clinical nursing education. Tweetable abstract: The mobile app for learning achieved higher knowledge and satisfaction scores, demonstrated better skill performance without increasing cognitive load.
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- 2020
15. A virtual simulation-based educational application about complementary and alternative medicine: A pilot study of nurses' attitudes and communication competency
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Hwai-Luh Chang and Hsiao-Yun Chang
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Complementary Therapies ,medicine.medical_specialty ,Health Knowledge, Attitudes, Practice ,Health professionals ,Attitude of Health Personnel ,Communication ,Alternative medicine ,Nurses ,Pilot Projects ,Education ,Surveys and Questionnaires ,medicine ,Humans ,Communication skills ,Psychology ,General Nursing ,Simulation - Abstract
Background Conventional healthcare professionals have insufficient knowledge about complementary/alternative medicine (CAM) and often lack competencies to overcome attitudinal barriers to communicate effectively with patients about CAM. Interacting with a virtual simulation-based educational application program may help nurses learn current evidence and acquire communication skills when consulting with patients. Objectives The aim of this pilot study was to evaluate nurses' attitudes towards patients' CAM use and their competency in communicating with patients about CAM after interacting with a virtual simulation-based educational app. Design A quasi-experimental study with one-group, pretest-posttest design. Methods A total of 49 nurses volunteered to participate in the study. Participants interacted with a virtual simulation software app on a smartphone that included audiovisual presentations about CAM, 13 exercises, and a risk-benefit decision assessment. Data about nurses' attitudes and communication competency were collected at baseline and after completing the 13 exercises. Descriptive and comparative statistics were analyzed using the IBM® SPSS® version 22.0. Results Both the nurses' attitudes about patients' CAM use and communication competency improved significantly following the completion of the 13 exercises. The risk-benefit decision scores correlated significantly with the increase in nurses' attitudes and their communication competency. Conclusions Using a virtual simulation-based educational app may help nurses not only increase their attitudes towards CAM but also increase their communication competency in consulting with patients about CAM use.
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- 2020
16. Possible climate-induced environmental impacts on parasite-infection rates of northern shrimp Pandalus borealis eggs in the Gulf of Maine
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Rachael Klose, Hsiao-Yun Chang, and Yong Chen
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0106 biological sciences ,Fisheries science ,education.field_of_study ,010504 meteorology & atmospheric sciences ,010604 marine biology & hydrobiology ,Population ,Fisheries ,Aquatic Science ,Biology ,Body size ,biology.organism_classification ,Infections ,Pandalidae ,01 natural sciences ,Pandalus borealis ,Shrimp ,Fishery ,Water temperature ,Parasite hosting ,Animals ,Female ,Maine ,education ,Ecology, Evolution, Behavior and Systematics ,0105 earth and related environmental sciences - Abstract
The Gulf of Maine northern shrimp Pandalus borealis population once supported a significant commercial winter fishery for the New England states. However, the fishery has been on moratorium since 2014 due to consecutive recruitment failures. The issue of parasite-infected eggs, so-called ‘white eggs,’ has long been identified for the Gulf of Maine northern shrimp, which makes shrimp eggs nonviable and subsequently hampers the recruitment potential. Furthermore, the proportion of infected females was observed to increase with water temperature. As Gulf of Maine temperatures have been increasing for decades, it is important to re-visit issues related to white eggs to evaluate possible impacts of climate-induced environmental changes on the white egg infection rates. We used biological samples collected by the Northeast Fisheries Science Center in 2012-2016 to evaluate the probability that a female shrimp was infected (Pinf) and the proportion of white eggs in an infected female shrimp (pwe). Although Pinf was high, with an average of 73.81% over the Gulf of Maine, pwe was mostly inf and pwe examined in this study was not well explained by environmental factors or female body size. However, the average rates of both Pinf and pwe observed in this study were higher than those observed in the 1960s when the bottom temperatures were cooler. The results can be used to account for egg mortality and provide information on potential impacts of possible climate-induced variability on shrimp population dynamics.
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- 2020
17. Impact of Inspiratory Muscle Training on Weaning Parameters in Prolonged Ventilator-Dependent Patients: A Preliminary Study
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Hsiao-Yun Chang, Hsiang-Chun Hsiao, and Hwai-Luh Chang
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General Nursing - Abstract
Introduction Patients require prolonged mechanical ventilation to overcome respiratory failure in the chronic respiratory care ward; however, how to facilitate ventilator weaning using a nurse-led strategy is limited. Objectives This study aimed to examine the impact of adjusting ventilator trigger sensitivity as inspiratory muscle training on weaning parameters in patients with prolonged ventilator dependence. Methods Multiple pre-test–post-test with a non-equivalent control group design was conducted at a chronic respiratory care ward in southern Taiwan. A convenience sampling method was used to recruit patients who received prolonged mechanical ventilation for more than 21 days into control ( n = 20) and intervention groups ( n = 22). Adjustment of ventilator trigger sensitivity started from 10% of the initial maximum inspiratory pressure and increased to 40% after a training period of six weeks. The weaning parameters were collected for pre-test and multiple post-tests, and statistical analysis of treatment effects was performed using the generalized estimating equation. Results Magnitude of weaning parameters was significantly higher in the intervention group after the six-week training, including maximum inspiratory pressure, rapid shallow breathing index, tidal volume, and ratio of arterial-to-inspired oxygen. Conclusion Adjustment of ventilator trigger sensitivity as inspiratory muscle training can help prolonged ventilator-dependent patients improve their respiratory muscle strength, breathing patterns, and oxygenation.
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- 2022
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18. Ursolic Acid, a Novel Liver X Receptor α (LXRα) Antagonist Inhibiting Ligand-Induced Nonalcoholic Fatty Liver and Drug-Induced Lipogenesis
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Yun-Ping Lim, Chao-Jung Chen, Yen Ning Lin, Hsiao Yun Chang, Lei Wan, Charles C.N. Wang, Wai Kok Cheng, Yu An Hsu, Wei Chih Ma, and Fang Yi Chu
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Male ,0301 basic medicine ,medicine.medical_specialty ,Hydrocarbons, Fluorinated ,Ligands ,Mice ,03 medical and health sciences ,0302 clinical medicine ,Non-alcoholic Fatty Liver Disease ,Internal medicine ,Nonalcoholic fatty liver disease ,Coactivator ,medicine ,Animals ,Humans ,Protein kinase A ,Liver X receptor ,Liver X Receptors ,Sulfonamides ,Pregnane X receptor ,Chemistry ,Lipogenesis ,Fatty liver ,General Chemistry ,medicine.disease ,Triterpenes ,Mice, Inbred C57BL ,Molecular Docking Simulation ,Basic-Leucine Zipper Transcription Factors ,030104 developmental biology ,Endocrinology ,Liver ,Nuclear receptor ,030220 oncology & carcinogenesis ,Sterol Regulatory Element Binding Protein 1 ,General Agricultural and Biological Sciences - Abstract
Nonalcoholic fatty liver disease (NAFLD) is a very common liver disease, and its incidence has significantly increased worldwide. The liver X receptor α (LXRα) is a multifunctional nuclear receptor that controls lipid homeostasis. Inhibition of LXRα transactivation may be beneficial for NAFLD and hyperlipidemia treatment. Ursolic acid (UA) is a plant triterpenoid with many beneficial effects; however, the mechanism of its action on LXRα remains elusive. We evaluated the effects of UA on T0901317 (T090)-induced LXRα activation and steatosis. UA significantly decreased the LXR response element and sterol regulatory element-binding protein-1c ( SREBP-1c) gene promoter activities, mRNA, protein expression of LXRα target genes, and hepatic cellular lipid content in a T090-induced mouse model. A molecular docking study indicated that UA bound competitively with T090 at the LXRα ligand binding domain. UA stimulated AMP-activated protein kinase (AMPK) phosphorylation in hepatic cells and increased corepressor, small heterodimer partner-interacting leucine zipper protein (SMILE) but decreased coactivator, steroid receptor coactivator-1 (SRC-1) recruitment to the SREBP-1c promoter region. In contrast, UA induced SRC-1 binding but decreased SMILE binding to reverse cholesterol transport-related gene promoters in intestinal cells, increasing lipid excretion from intestinal cells. Additionally, UA reduced valproate-induced LXRα mediated and rifampin-induced pregnane X receptor mediated lipogenesis, offering potential treatments for drug-induced hepatic steatosis. Thus, UA displays liver specificity and can be selectively repressed while RCT stimulation by LXRα is preserved and enhanced. This is a novel therapeutic option to treat NAFLD and may be helpful in developing LXR agonists to prevent atherosclerosis.
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- 2018
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19. Oleanolic Acid Inhibits Liver X Receptor Alpha and Pregnane X Receptor to Attenuate Ligand-Induced Lipogenesis
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Chao-Jung Chen, Yun-Ping Lim, Hsiao-Yun Chang, Hsin-Yi Shen, Fang-Yi Chu, Charles C.N. Wang, and Yen-Ning Lin
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0301 basic medicine ,medicine.medical_specialty ,Hydrocarbons, Fluorinated ,Response element ,AMP-Activated Protein Kinases ,Ligands ,03 medical and health sciences ,Transactivation ,chemistry.chemical_compound ,Nuclear Receptor Coactivator 1 ,0302 clinical medicine ,Internal medicine ,Nonalcoholic fatty liver disease ,medicine ,Humans ,Oleanolic Acid ,Liver X receptor ,Oleanolic acid ,Liver X Receptors ,Sulfonamides ,Pregnane X receptor ,Chemistry ,Lipogenesis ,Pregnane X Receptor ,Liver X receptor alpha ,General Chemistry ,medicine.disease ,030104 developmental biology ,Endocrinology ,030220 oncology & carcinogenesis ,Hepatocytes ,lipids (amino acids, peptides, and proteins) ,Sterol Regulatory Element Binding Protein 1 ,General Agricultural and Biological Sciences - Abstract
Liver X receptor α (LXRα) controls important biological and pathophysiological processes such as lipid homeostasis. Inhibiting LXRα transactivation may beneficial in the treatment of nonalcoholic fatty liver disease (NAFLD), which is one of the main causes of liver diseases and hyperlipidemia. Oleanolic acid (OA) is a naturally occurring triterpenoid found in many plants. It has several beneficial effects on biological pathways; however, the mechanisms underlying its effects on LXRα are unclear. Therefore, we evaluated the effects of OA on T0901317-induced LXRα activation and explored whether OA can attenuate hepatic lipogenesis. The results showed that OA significantly decreased the promoter activities of LXR response element and sterol regulatory element binding protein-1c (SREBP-1c). It also decreased the mRNA and protein expression of LXRα target genes. These resulted in reduced hepatocellular lipid content. Our results also revealed that the overall binding pose of OA is similar to the X-ray pose of T0901317. Furthermore, OA stimulated AMP-activated protein kinase phosphorylation in hepatic cells. Additionally, it increased small heterodimer partner-interacting leucine zipper protein (SMILE) but decreased steroid receptor coactivator-1 (SRC-1) recruitment to the SREBP-1c promoter region. OA also enhanced LXRα-mediated induction of reverse cholesterol transport (RCT)-related gene, ATP-binding cassette transporter (ABC) A1, and ABCG1 expression in intestinal cells. It was found that OA increased the binding of SRC-1 but decreased SMILE recruitment to the ABCG1 gene promoter region. Furthermore, it reduced valproate- and rifampin-induced LXRα- and pregnane X receptor-mediated lipogenesis, respectively, which indicates its potential benefit in treating drug-induced hepatic steatosis. The results also show that OA is liver-specific and can be selectively repressed of lipogenesis. Moreover, it preserves and enhances LXRα-induced RCT stimulation. The results show that OA may be a promising treatment for NAFLD. Additionally, it can be used in the development of LXRα agonists to prevent atherosclerosis.
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- 2018
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20. Music Technology as a Means for Fostering Young Children’s Social Interactions in an Inclusive Class
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Liza Lee and Hsiao-Yun Chang
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music technology activities ,Technology ,T57-57.97 ,Medical education ,Class (computer programming) ,Applied mathematics. Quantitative methods ,Applied Mathematics ,Music technology ,social interaction ,Qualitative property ,Industrial and Manufacturing Engineering ,Session (web analytics) ,Social relation ,Human-Computer Interaction ,Artificial Intelligence ,Control and Systems Engineering ,Language assessment ,inclusive class ,participation performance ,Psychology ,Social network analysis ,Research question ,Information Systems - Abstract
This research investigated how children aged five to six performed in social interactions and participation by learning American English through music technology activities in an inclusive class. The purposes of this research were to analyze, through music technology activities, the social interactions and participation of children in the inclusive class. Therefore, the research question was as follows: can music technology activities significantly improve children’s social interactions and participation in an inclusive class? There were two themes for the research teaching, each of which included seven weeks of instruction. The teaching content involved three stages, which were pre-test, implementation, and post-test. The research teaching was given 40 min per session twice a week and continued for 14 weeks with 28 teaching times. The methodology primarily consisted of a qualitative assessment of participation, observations, and interviews. In addition to collecting and analyzing qualitative data, quantitative data were also employed in the study. Data sources were semi-structured observation forms, anecdote records, language test scales and interview records, and feedback forms. The results indicated that all children had positive performance in social interactions and participating motivation, as supported by statistical results of social validity. Furthermore, the children’s cooperation and communication effectively improved through music technology activities. Nevertheless, the limitation of the study is the insufficient number of participants involved in the evaluation. For future research, utilizing more than 30 samples would be more appropriate and would supplement the social network analysis to carry out more in-depth investigations and discussions.
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- 2021
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21. Effects of Different Seat Pressures and Rowing Cadences on Muscle Oxygenation and Physiological Parameter Responses
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Feng-Yi Chang, Wei-Han Chen, Wan-Chin Chen, Kuei-Yu Chien, Hsiao-Yun Chang, En-Tzu Wang, and Yong Yang
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Technology ,medicine.medical_specialty ,near-infrared spectroscopy ,QH301-705.5 ,QC1-999 ,Rowing ,Blood volume ,Perceived exertion ,core muscles ,Recovery period ,Internal medicine ,Heart rate ,Medicine ,General Materials Science ,Biology (General) ,QD1-999 ,Instrumentation ,Low back ,Fluid Flow and Transfer Processes ,business.industry ,unstable surface ,Physics ,Process Chemistry and Technology ,General Engineering ,Engineering (General). Civil engineering (General) ,Muscle oxygenation ,Computer Science Applications ,Chemistry ,blood volume ,cardiovascular system ,Cardiology ,TA1-2040 ,business ,Cadence ,human activities ,stroke rate - Abstract
This study investigated the effects of rowing with different seat cushion and cadence conditions on oxyhemoglobin (O2Hb) and total hemoglobin (tHb) levels of the erector spinae (ES) as well as the effects on heart rate (HR) and ratings of perceived exertion (RPE). Thirty healthy adults completed tests under three unstable air seat cushion pressure levels (0, 80, and 140 mmHg) and three rowing cadences (slow: 18 bpm, medium: 30 bpm, and fast: 36 bpm) on a rowing machine, for a total of nine test conditions. During the exercise period, rowing on cushions set to 80 mmHg resulted in greater O2Hb and tHb changes than did rowing at 0 mmHg (p <, 0.05). When rowing cadence increased, the O2Hb and tHb decreased during the exercise period, whereas HR and RPE increased (p <, 0.05). During the recovery period, O2Hb and tHb on cushions set to 140 mmHg during slow rowing were higher than those at 0 mmHg during slow rowing and 140 mmHg during fast rowing (p <, 0.05). Rowing on an appropriate pressure of seat cushion and using a slow cadence contribute to increasing muscle oxygenation of low back during exercise.
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- 2021
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22. Modulation of pregnane X receptor (PXR) and constitutive androstane receptor (CAR) activation by ursolic acid (UA) attenuates rifampin-isoniazid cytotoxicity
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Jih Jung Chen, Chao-Jung Chen, Yun-Ping Lim, Ying-Ray Lee, Yen Ning Lin, Wei Chih Ma, Hsiao Yun Chang, and Wai Kok Cheng
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Agonist ,Receptors, Steroid ,medicine.drug_class ,Response element ,Receptors, Cytoplasmic and Nuclear ,Pharmaceutical Science ,Pharmacology ,Transfection ,digestive system ,030226 pharmacology & pharmacy ,03 medical and health sciences ,Transactivation ,0302 clinical medicine ,Drug Discovery ,Constitutive androstane receptor ,Isoniazid ,medicine ,Cytochrome P-450 CYP3A ,Humans ,Promoter Regions, Genetic ,Receptor ,Constitutive Androstane Receptor ,Pregnane X receptor ,CYP3A4 ,Chemistry ,Pregnane X Receptor ,Hep G2 Cells ,Triterpenes ,digestive system diseases ,Cytochrome P-450 CYP2B6 ,Complementary and alternative medicine ,Nuclear receptor ,030220 oncology & carcinogenesis ,Hepatocytes ,Molecular Medicine ,Rifampin - Abstract
Background Interactions between transcriptional inducers of cytochrome P450 (CYP450) enzymes and therapeutic drugs may be prevented by antagonizing the activation of a nuclear receptor (NR), pregnane X receptor (PXR, NR1I2), thus improving therapeutic efficacy. Purpose In the present study, we aim to identify that ursolic acid (UA), a widely distributed pentacyclic triterpene, may act as an effective antagonist of PXR and its sister NR receptor, constitutive androstane receptor (CAR, NR1I3). Methods The hepatocellular carcinoma cell line, HepG2, was used to evaluate the promoter activity of PXR and CAR target genes, CYP3A4 and CYP2B6, respectively. Catalytic activities, mRNA, and protein expression of CYP3A4 and CYP2B6 were evaluated in a differentiated HepaRG cell line. Coregulation of PXR with coregulators on CYP3A4 promoter response elements was also been characterized. Results Transient transfection assays showed that UA effectively attenuated CYP3A4 and CYP2B6 promoter activities mediated by rifampin (RIF, human PXR agonist) and CITCO (human CAR agonist). These inhibitory effects were well correlated with the expression and catalytic activities of CYP3A4 and CYP2B6. Furthermore, the interaction of co-regulators with PXR and the transcriptional complexes in the CYP3A4 promoter activity and CYP3A4 promoter xenobiotic response element (everted repeat 6, ER6), respectively, were disrupted in the presence of UA. UA showed an antagonistic effect against PXR, and reversed the cytotoxic effects of isoniazid (INH) induced by RIF. Taken together, these results show that UA inhibits the transactivation effects of PXR and CAR, and reduces the expression and function of CYP3A4 and CYP2B6. Conclusion The present study suggests that UA could be a powerful agent for reducing potentially dangerous interactions between transcriptional inducers of CYP enzymes and therapeutic drugs.
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- 2017
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23. Reproductive biology of female striped marlin Kajikia audax in the western Pacific Ocean
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Hsiao-Yun Chang, Chi-Lu Sun, Gerard DiNardo, Shih-Chia Yeh, Yi-Jay Chang, and Nan-Jay Su
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0106 biological sciences ,Billfish ,biology ,Ecology ,010604 marine biology & hydrobiology ,media_common.quotation_subject ,Zoology ,Aquatic Science ,biology.organism_classification ,Fecundity ,010603 evolutionary biology ,01 natural sciences ,Sexual dimorphism ,Reproductive biology ,Sexual maturity ,Striped marlin ,Reproduction ,Ecology, Evolution, Behavior and Systematics ,Sex ratio ,media_common - Abstract
Length and mass data for 1260 (536 females, 683 males, 41 sex unknown) striped marlin Kajikia audax were collected at the fish markets of Tungkang, Singkang and Nanfangao from July 2004 to September 2010. Of these samples, 534 gonads (236 females and 298 males) ranging from 95 to 206 cm in eye-to-fork length (LEF ) and 8 to 88 kg in round mass (MR ), were collected. Chi-square tests indicated sex ratios were homogeneous among months in 2004 and 2006-2008, but not in 2005, 2009 and 2010; and there were significant differences in sex ratio by size. The overall sex ratio (RS ) differed significantly from the expected 0·5. Kajikia audax are sexually dimorphic and the proportions of females increased with size between 140 and 210 cm LEF . Reproductive activity was assessed using a gonado-somatic index (IG ), external appearance of the gonads and histological examination and results indicated that the spawning season occurred from April to August with a peak in June to July. Based on histological observations and the distribution of oocyte diameters, K. audax are multiple spawners and their oocytes develop asynchronously. The estimated length-at-50% maturity (LEF50 ) was c. 181 cm (c. 4·8 years of age) for females. The proportion of reproductively active females in the spawning season with ovaries containing postovulatory follicles (0·27) indicated that they spawned every 3·7 days on average. The hydrated oocyte method estimated mean ± S.D. batch fecundity (FB ) to be 4·4 ± 2·02 million eggs; average relative fecundity was 53·6 ± 13·9 oocytes g-1 MR ; and the average annual fecundity was 181·3 ± 48·3 million eggs. The parameters estimated in this study are key information for stock assessments of K. audax in the north-western and central Pacific and will contribute to the conservation, management and sustainable yield of this species.
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- 2017
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24. [:Q]
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Su-Jung, Wei, Hsiao-Yun, Chang, Shu-Ming, Chen, Shu-Hui, Yeh, and Li-Hui, Yang
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Cross-Sectional Studies ,Q-Sort ,Surveys and Questionnaires ,Humans ,Nurse Practitioners ,Clinical Competence ,Nurse's Role - Abstract
The gap between the expectation and the development of role competency is a dilemma that nurse practitioners (NPs) face in clinical settings.This study was designed to explore the perceived importance and actual practice of the role competencies of NPs and to compare the differences between the ideal and practical domains as well as related factors.This cross-sectional design study used Q-sort to collect data. A 56-item "Nurse Practitioner Role Capacity Questionnaire" was used as the research tool. Two questionnaires: Perceptions of Important Role Competencies and Actual Execution of Role Competencies were distributed to NPs twice, at times that were 2 weeks apart. A total of 40 participants were recruited, including 21(52.5%) internal medicine NPs and 19 (47.5%) surgical medicine NPs.The significant differences that were identified in this study between the perceived importance and actual practice of role competencies were, by domain: medical assistance (t = -5.62, p.001), clinical research (t = 4.14, p.001), professional consultation (t = 2.29, p = .027), and direct care (t = 2.21, p = .033). The correlative factors for these differences were: education level (t = -2.17, p = .036) and membership in the Nurse Practitioner Association (t = -2.36, p = .017). NPs with higher levels of education and with membership in the Nurse Practitioner Association earned higher scores for self-expectation in important clinical competency.NPs face discrepancies in their role expectations, in important part due to their role as providers of medical assistance in clinical practical settings. NPs need to learn and demonstrate the roles and functions of advanced nursing practice to enhance nursing professionalism profoundly.比較專科護理師自覺重要角色能力與實際執行角色能力之看法:以Q方法探討.專科護理師(nurse practitioner, NP)之進階護理角色在臨床期盼上仍有落差,導致NP自身對角色能力期待與發展產生困境。.本研究藉由調查NP角色能力之自覺重要性與實際執行現況,來探討理想與實務層面下的差異性及其影響因素。.以橫斷性研究設計,利用Q方法進行資料收集。測量工具以「專科護理師角色能力問卷量表」共56題,二個研究問題相隔二週做調查。研究對象共40名,含內科21位(52.5%)與外科19位(47.5%)。.NP自覺重要角色能力與實際執行角色能力有顯著差異的結構面有:醫療輔助(t = -5.62, p.001)、臨床研究(t = 4.14, p.001)、專業諮商 (t = 2.29, p = .027)及直接照護(t = 2.21, p = .033)。基本屬性中,在教育程度(t = -2.17, p = .036)與是否加入專科護理師學會(t = -2.36, p = .017)達顯著差異,顯示學歷愈高或具專科護理師會員者,對重要角色能力抱持高度自我期許。.專科護理師在面臨角色期望仍有不符,尤其在實務面極重在醫療輔助上,專科護理師需回歸及落實進階護理的角色與功能,以利護理專業之提升。.
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- 2019
25. Development and validation of traditional & complementary medicine (TCM) scales for nurses: Using structural equation modelling (SEM)
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Chia-Lun Lo, Hsiao-Yun Chang, and Yun-Ying Hung
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Adult ,Complementary Therapies ,Male ,Psychometrics ,Attitude of Health Personnel ,Applied psychology ,Taiwan ,Nurses ,Validity ,Sample (statistics) ,Computer-assisted web interviewing ,Structural equation modeling ,03 medical and health sciences ,0302 clinical medicine ,Surveys and Questionnaires ,Content validity ,Humans ,030212 general & internal medicine ,Communicative competence ,030504 nursing ,Reproducibility of Results ,lcsh:Other systems of medicine ,General Medicine ,lcsh:RZ201-999 ,Complementary and alternative medicine ,Latent Class Analysis ,Scale (social sciences) ,Female ,0305 other medical science ,Psychology ,Complementary medicine ,Research Article - Abstract
Objectives This study aimed to develop and validate scales to assess attitudes towards patient’ s use of TCM (APUTCM) and to measure a communicative competence in TCM (CCTCM) among nurses. Methods The instrument development process was conducted from Sep 2013 to Jul 2014, using the following steps: 1) item development; 2) internal review and refinement; 3) face and content validation; 4) instrument administration to a development sample; and 5) evaluation of validity and reliability. A convenience sample was used to recruit registered and advanced practice nurses who worked in different regions throughout Taiwan. A total of 755 respondents completed the online questionnaire. Statistical analyses were performed using the software of SPSS Version 21.0 and Analysis of Moment Structures (AMOS) version 24.0. Results The scale-level indexes (S-CVI) of content validity for both scales were over 80%. The reliabilities for the 13-item APUTCM scale and for the five-item CCTCM scale were 0.88 and 0.84, respectively. The model suitability for both scales was assessed, and the findings revealed suitable parameters for all indicators: GFI = 0.954, AGFI = 0.932, CFI = 0.959, RMSEA = 0.62, and chi-square/df = 3.891 for APUTCM; and GFI = 0.992, AGFI = 0.969, CFI = 0.992, RMSEA = 0.63, and chi-square/df = 4.04 for CCTCM. The convergent and divergent validity of scores on both scales provided evidence in the expected direction. Conclusion This scale development study provides preliminary evidence that suggests that the 13-item APUTCM and the five-item CCTCM are reliable and valid scales for assessing attitudes toward patient’s TCM use and communicative competence in TCM.
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- 2019
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26. Sesamin, a Naturally Occurring Lignan, Inhibits Ligand-Induced Lipogenesis through Interaction with Liver X Receptor Alpha (LXR
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Yun-Ping Lim, Ying-Ray Lee, Ni Tien, Hui-I Yu, Chieh-Hsiang Lu, Fang-Yi Chu, Hsiao-Yun Chang, Hsiang-Hsun Chuang, Charles C.N. Wang, Hsin-Yi Shen, Tsai-Sung Tai, and Fang-Ping Kung
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0303 health sciences ,Pregnane X receptor ,Article Subject ,Liver X receptor alpha ,lcsh:Other systems of medicine ,lcsh:RZ201-999 ,digestive system ,Cell biology ,03 medical and health sciences ,chemistry.chemical_compound ,Transactivation ,0302 clinical medicine ,Complementary and alternative medicine ,Nuclear receptor ,chemistry ,Sesamin ,030220 oncology & carcinogenesis ,Lipogenesis ,polycyclic compounds ,lipids (amino acids, peptides, and proteins) ,Liver X receptor ,Protein kinase A ,030304 developmental biology ,Research Article - Abstract
Liver X receptor (LXR) is a nuclear receptor that regulates various biological processes, including de novo lipogenesis, cholesterol metabolism, and inflammation. Selective inhibition of LXR may aid the treatment of nonalcoholic fatty liver disease (NAFLD). Sesamin is a naturally occurring lignan in many dietary plants and has a wide range of beneficial effects on metabolism. The mechanism underlying sesamin action especially on the regulation of LXR remains elusive. Reporter assays, mRNA and protein expression, and in silico modeling were used to identify sesamin as an antagonist of LXRα. Sesamin was applied to the hepatic HepaRG and intestinal LS174T cells and showed that it markedly ameliorated lipid accumulation in the HepaRG cells, by reducing LXRα transactivation, inhibiting the expression of downstream target genes. This effect was associated with the stimulation of AMP-activated protein kinase (AMPK) signaling pathway, followed by decreased T0901317-LXRα-induced expression of SREBP-1c and its downstream target genes. Mechanistically, sesamin reduced the recruitment of SRC-1 but enhanced that of SMILE to the SREBP-1c promoter region under T0901317 treatment. It regulated the transcriptional control exerted by LXRα by influencing its interaction with coregulators and thus decreased mRNA and protein levels of genes downstream of LXRα and reduced lipid accumulation in hepatic cells. Additionally, sesamin reduced valproate- and rifampin-induced LXRα and pregnane X receptor (PXR) transactivation. This was associated with reduced expression of target genes and decreased lipid accumulation. Thus, sesamin is an antagonist of LXRα and PXR and suggests that it may alleviate drug-induced lipogenesis via the suppression of LXRα and PXR signaling.
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- 2019
27. The effectiveness of rearfoot medial wedge intervention on balance for athletes with chronic ankle instability
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Hsiao-Yun Chang, Chun-Hou Wang, Yun-Chi Chang, and Shih-Chung Cheng
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Joint Instability ,Male ,medicine.medical_specialty ,business.product_category ,Heel ,genetic structures ,Foot Orthoses ,insole ,Postural control ,03 medical and health sciences ,Young Adult ,chronic ankle instability ,0302 clinical medicine ,Physical medicine and rehabilitation ,Center of pressure (terrestrial locomotion) ,posture control ,medicine ,Humans ,030212 general & internal medicine ,Dynamic balance ,business.industry ,Outcome measures ,General Medicine ,Equipment Design ,Clinical Trial/Experimental Study ,Wedge (mechanical device) ,Standing balance ,medicine.anatomical_structure ,Treatment Outcome ,030220 oncology & carcinogenesis ,Chronic ankle instability ,Athletic Injuries ,Chronic Disease ,Sensation Disorders ,orthotics ,ComputingMethodologies_DOCUMENTANDTEXTPROCESSING ,Female ,sense organs ,business ,Ankle Joint ,Research Article - Abstract
Supplemental Digital Content is available in the text, Background: Athletes with chronic ankle instability (CAI) often develop complications such as pain, instability, and reduced postural control and balance stability, all of which affect athletic performance. This study investigated the effects of a 4° medal wedge intervention on static and dynamic balance in athletes with CAI. Methods: The participants were 24 healthy and 25 CAI athletes. Participants received a 4° medial wedge applied at the rear foot insole and completed the experiment measurements before and after the wedge intervention. The main outcome measures included the area and path length of the center of pressure when participants performed single-leg standing balance in the closed eye condition and the dynamic balance scores of a multiple single-leg hop stabilization test. Results: The single-leg standing balance significantly improved in CAI (P = .027) and control groups (P = .005) after the medial wedge intervention. The dynamic balance scores significantly decreased from 53.00 ± 25.22 to 41.24 ± 21 48 (P = .015) in CAI group after medial wedge intervention. Conclusion: Wearing a 4° medial wedge applied at the rear foot insole improved static and dynamic balance immediately in athletes with CAI. We suggest that clinicians may provide the foot insole to improve balance deficit in athletes having CAI.
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- 2019
28. The impact of an mHealth app on knowledge, skills and anxiety about dressing changes: A randomized controlled trial
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Fu-Hao Yeh, Hsiao-Yun Chang, Ya-Ping Hou, and Su-Shin Lee
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Telemedicine ,medicine.medical_specialty ,Health Knowledge, Attitudes, Practice ,Taiwan ,Anxiety ,law.invention ,03 medical and health sciences ,Wound care ,0302 clinical medicine ,Randomized controlled trial ,law ,Medicine ,Humans ,030212 general & internal medicine ,Prospective Studies ,mHealth ,General Nursing ,integumentary system ,030504 nursing ,Family caregivers ,business.industry ,Bandages ,Mobile Applications ,Clinical trial ,Physical therapy ,Health education ,medicine.symptom ,0305 other medical science ,business - Abstract
To evaluate the effectiveness of a mobile health (mHealth) application, based on self-regulation theory, on patients' knowledge of wound care, skills in changing dressings and anxiety.A prospective randomized controlled trial.Seventy patients (or family members) at a 1,500-bed university hospital in Taiwan were randomized into an experimental (N = 35) or control group (N = 35) from March to December 2016. The experimental group used a mHealth application for wound care; the control group received verbal instructions and a booklet. Instruments to collect data were a wound care knowledge scale, wound care skills scale, State-Trait Anxiety Inventory, and a digital heart variability device. Data were collected at baseline, after three additional demonstrations and before discharge. The generalized estimating equation was used for statistical analysis.The experimental group showed significantly higher levels of wound care knowledge, improved wound care skills, lower levels of state anxiety, and lower heart rate variability than the control group after baseline data collection.Results support hat a mHealth application may be effective in health education. Clinicians can use the results to promote patients' wound care knowledge, enhance their wound care skills, and reduce anxiety related to dressing changes.Lack of wound care knowledge and skills can affect the willingness and ability to perform effective wound dressing changes, producing anxiety and having an impact on a patient's self-care after hospital discharge. mHealth applications (apps) have the potential to deliver health information in targeted and tailored ways that strengthen the self-management of diseases. mHealth app can increase wound care knowledge, improve care skills, and reduce anxiety related to wound care. mHealth app effectively supports self-monitoring of the wound healing process, self-judgement of the wound condition, and self-reaction of wound care accuracy. mHealth app provides step-by-step visual tutorials on wound care that allow patients and family caregivers to take pictures of the wounds and monitor the wound healing process. mHealth app for wound care knowledge is an effective and individualized method for learning.This study was registered by U.S. National Library of Medicine, ClinicalTrials.gov (ID: NCT03683303).目的: 基于自我调节理论,评估移动医疗(mHealth)应用程序对患者伤口护理知识、换药技能和焦虑程度的作用。 设计: 一项前瞻性随机对照试验 方法: 2016年3月至2016年12月,台湾一所拥有1,500张床位的大学附属医院的70名患者(或家属)被随机分为实验组(N = 35)或对照组(N = 35)。实验组使用移动医疗(mHealth)应用程序申请进行伤口护理;对照组收到口头指示和小册子。数据采集工具包括伤口护理知识量表、伤口护理技能量表、状态特质焦虑问卷和数字式心率变异装置。数据收集时间点是治疗前的基础值、三次额外演示后和出院前。采用广义估计方程进行统计分析。 结果: 在进行基础数据收集之后,实验组的伤口护理知识水平、伤口护理技能改善情况、状态特质焦虑水平和心率变异性均显著高于对照组。 结论: 研究结果支持移动医疗(mHealth)应用程序在健康教育中的有效性。临床医生可利用这些结果来加强患者的伤口护理知识,提高他们的伤口护理技能,降低与换药相关的焦虑。 影响: 缺乏伤口护理知识和技能会影响患者进行有效伤口换药的意愿和能力,使患者产生焦虑,并影响患者出院后的自我护理。移动医疗(mHealth)应用程序(apps)有可能提供具有针对性的定制化健康信息,从而加强患者对疾病的自我管理。移动医疗(mHealth)应用程序可以增加患者的伤口护理知识,提高护理技能,降低与伤口护理相关的焦虑。移动医疗(mHealth)应用程序可有效支持伤口愈合过程的自我监控、伤口状况的自我判断以及伤口护理准确性的自我反应。移动医疗(mHealth)应用程序可提供有关伤口护理的分步式可视化教程,允许患者和家庭护理提供者拍摄伤口照片并监控伤口愈合过程。移动医疗(mHealth)伤口护理知识应用程序是一种有效的个性化学习方法。 临床试验: 该研究在美国国立医学图书馆ClinicalTrials.gov注册(编号:NCT03683303)。.
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- 2019
29. The effect of age on elbow range of motion in pitchers
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Shih-Chung Cheng, Chiang Liu, Hsiao-Yun Chang, and Yu-Lin Wang
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Male ,musculoskeletal diseases ,medicine.medical_specialty ,Flexibility (anatomy) ,Adolescent ,Elbow ,Physical Therapy, Sports Therapy and Rehabilitation ,Baseball ,Elbow hyperextension ,Young Adult ,03 medical and health sciences ,0302 clinical medicine ,Forearm ,Muscle Stretching Exercises ,030225 pediatrics ,Elbow Joint ,medicine ,Humans ,Injury risk ,Orthopedics and Sports Medicine ,Range of Motion, Articular ,030222 orthopedics ,business.industry ,Age Factors ,Reproducibility of Results ,Mean age ,General Medicine ,musculoskeletal system ,Biomechanical Phenomena ,body regions ,Overhead throwing ,medicine.anatomical_structure ,Physical therapy ,Elbow Injuries ,business ,Range of motion - Abstract
Alteration of elbow range of motion (ROM) has been observed in baseball pitchers. This study aims to compare dominant elbow ROM between early-puberty, late-puberty, and young-adult pitchers.We recruited 62 pitchers, consisting of 17 early-puberty (mean age 13.1 years old), 22 late-puberty (mean age 17.7 years old), and 23 young-adult players (mean age 19.4 years old). Dominant elbow ROMs was measured. One-way ANOVA was used to compare the differences in elbow ROM variables between 3 groups.Late-puberty pitchers exhibited a significantly lower elbow hyperextension and flexion than early-puberty or young-adult pitchers (P .05). Valgus angle was significantly lower in young-adult (7.7°±5.5°) versus early-puberty (12.1°±2.3°) and late-puberty pitchers (13.0°±4.1°; P .05). Young-adult pitchers had the largest forearm supination range (101.2°±18.1°), followed by early-puberty (82.5°±6.5°; P .05) and late-puberty pitchers (70.6°±15.8°). Elbow flexion-hyperextension total range was smallest in late-puberty pitchers (130.3°±7.4°), followed by young-adult (142.6°±9.3°) and early-puberty pitchers (144.6°±8.3°; P .05). Forearm pronation-supination total range was also smallest in late-puberty pitchers (142.0°±20.3°), followed by early-puberty (159.8°±9.5°) and young-adult pitchers (177.2°±20.8°; P .05).These results indicate that careful monitoring of the elbow and forearm range of motion should be undertaken in adolescent baseball pitchers to prevent and or minimize injury risk.
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- 2016
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30. Phylogeography and genetic structure of the endemic cyprinid fish Microphysogobio brevirostris in northern Taiwan
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Hung-Du Lin, Chung-Yi Hsin, Jung-Kai Su, Hsiao-Yun Chang, Wei-Kuang Wang, Jun Li, Yi-Kuang Wang, and Kun-Neng Chen
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0106 biological sciences ,0301 basic medicine ,education.field_of_study ,Ecology ,Cytochrome b ,Population ,Zoology ,Biology ,biology.organism_classification ,010603 evolutionary biology ,01 natural sciences ,Biochemistry ,03 medical and health sciences ,Phylogeography ,030104 developmental biology ,Alticorpus ,Genetic structure ,Vicariance ,Biological dispersal ,Clade ,education ,Ecology, Evolution, Behavior and Systematics - Abstract
This study used the mitochondrial DNA cytochrome b and control region sequences to examine the population genetic structure of Microphysogobio brevirostris, an endemic cyprinid species in northern Taiwan. In total, 90 specimens were collected from six populations belonging to four major rivers. All haplotypes were identified as two major clades (Clades N and S), exhibiting a southern and a northern distribution. The results of statistical dispersal-vicariance analysis (S-DIVA) revealed that two vicariance events and one dispersal event shaped the phylogeographic pattern of M. brevirostris. These results suggest that the ancestral populations of M. brevirostris are widely distributed throughout northern Taiwan, north of the Miaoli Plateau. The ancestral populations then diverged into two clades (N and S) by the raising of the Taoyuan Plateau. Finally, two major rivers of the S clade diverged and dispersed into adjacent rivers. Besides, our results revealed that Microphysogobio alticorpus and M. brevirostris colonized Taiwan during the same ice age through different colonization routes.
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- 2016
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31. Dietary supplementation of recombinant antimicrobial peptide Epinephelus lanceolatus piscidin improves growth performance and immune response in Gallus gallus domesticus
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Chieh-Yu Pan, Jyh-Yih Chen, Han-Ning Huang, Hsueh-Ming Tai, Ming-Feng You, Tsung-Yu Tsai, Hsiao-Yun Chang, Venugopal Rajanbabu, and Hung-Yi Wu
- Subjects
0301 basic medicine ,Protein Expression ,Antibiotics ,Poultry ,law.invention ,Anti-Infective Agents ,Tandem Mass Spectrometry ,law ,Medicine and Health Sciences ,Gamefowl ,Cloning, Molecular ,Chromatography, High Pressure Liquid ,Phylogeny ,Multidisciplinary ,Antimicrobials ,Gram Positive Bacteria ,Temperature ,Drugs ,Eukaryota ,Antimicrobial ,Recombinant Proteins ,Interleukin-10 ,Vertebrates ,Recombinant DNA ,Medicine ,Research Article ,medicine.drug_class ,Science ,Animal Types ,Feed additive ,Antimicrobial peptides ,Biology ,Research and Analysis Methods ,Gram-Positive Bacteria ,Microbiology ,Pichia Pastoris ,Feed conversion ratio ,Pichia pastoris ,Birds ,Interferon-gamma ,03 medical and health sciences ,Microbial Control ,Gram-Negative Bacteria ,Gene Expression and Vector Techniques ,medicine ,Animals ,Domestic Animals ,Amino Acid Sequence ,Molecular Biology Techniques ,Molecular Biology ,Nutrition ,Pharmacology ,Molecular Biology Assays and Analysis Techniques ,030102 biochemistry & molecular biology ,Organisms ,Fungi ,Biology and Life Sciences ,Bacteriology ,biology.organism_classification ,Yeast ,Diet ,Perciformes ,030104 developmental biology ,Fowl ,Immune System ,Amniotes ,Dietary Supplements ,Chickens ,Zoology ,Sequence Alignment ,Bacteria ,Antimicrobial Cationic Peptides - Abstract
Supplementing chicken feed with antibiotics can improve survival and prevent disease outbreaks. However, overuse of antibiotics may promote the development of antibiotic-resistant bacteria. Recently, antimicrobial peptides have been proposed as alternatives to antibiotics in animal husbandry. Here, we evaluate the effects of antimicrobial peptide, Epinephelus lanceolatus piscidin (EP), in Gallus gallus domesticus. The gene encoding EP was isolated, sequenced, codon-optimized and cloned into a Pichia pastoris recombinant protein expression system. The expressed recombinant EP (rEP) was then used as a dietary supplement for G. g. domesticus; overall health, growth performance and immunity were assessed. Supernatant from rEP-expressing yeast showed in vitro antimicrobial activity against Gram-positive and Gram-negative bacteria, according to an inhibition-zone diameter (mm) assay. Moreover, the antimicrobial peptide function of rEP was temperature independent. The fermentation broth yielded a spray-dried powder formulation containing 262.9 μg EP/g powder, and LC-MS/MS (tandem MS) analysis confirmed that rEP had a molecular weight of 4279 Da, as expected for the 34-amino acid peptide; the DNA sequence of the expression vector was also validated. We then evaluated rEP as a feed additive for G. g. domesticus. Treatment groups included control, basal diet and rEP at different doses (0.75, 1.5, 3.0, 6.0 and 12%). Compared to control, rEP supplementation increased G. g. domesticus weight gain, feed efficiency, IL-10 and IFN-γ production. Our results suggest that crude rEP could provide an alternative to traditional antibiotic feed additives for G. g. domesticus, serving to enhance growth and health of the animals.
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- 2020
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32. The use of a dual-task paradigm to identify superior sensory organisation ability in rhythmic gymnasts
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Hui-Ya Chen, Ting-Ting Yeh, Hsiao-Yun Chang, and Yan-Ying Ju
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Dual-task paradigm ,Adolescent ,Gymnastics ,Longitudinal data ,030209 endocrinology & metabolism ,Physical Therapy, Sports Therapy and Rehabilitation ,Sensory system ,030229 sport sciences ,Rhythmic gymnastics ,03 medical and health sciences ,0302 clinical medicine ,Rhythm ,Cross-Sectional Studies ,Task Performance and Analysis ,Postural Balance ,Visual Perception ,Humans ,Orthopedics and Sports Medicine ,Attention ,Female ,Vestibule, Labyrinth ,Psychology ,Cognitive psychology ,Physical Conditioning, Human - Abstract
Previous study has showed superior sensory organisation ability in rhythmic gymnasts, but mostly in longitudinal data. With a cross-sectional design, this study used a dual-task paradigm to examine the above phenomenon. Fifteen female rhythmic gymnasts (15.0 ± 1.8 yr.) and matched peers (15.1 ± 2.1 yr.) were recruited. The Sensory Organization Test (SOT) was administered with a concurrent lower-demand (serial subtraction of three, serving as the baseline) or higher-demand (serial subtraction of seven, serving as the dual-task) arithmetic task. The results showed no main effect of group, but a group by level of arithmetic task (P = 0.001) interaction effect on SOT equilibrium score. The higher-demand task facilitated balance performance in the gymnasts, but it impeded performance in the controls, with the differences more pronounced in challenging SOT conditions. With the higher-demand task, the gymnasts adopted a sensory strategy with a higher visual ratio but a smaller somatosensory ratio compared to the controls. Better visual utilisation of sensory organisation ability was apparent in gymnasts, but only when the SOT test was performed with a higher-demand secondary task. We have demonstrated the efficacy of using the dual-task paradigm to identify the superior sensory organisation ability of adolescent rhythmic gymnasts.
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- 2018
33. The Impact of M-Health on the Self-Management of Diabetes: A Preliminary Study
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Hsiao-Yun, Chang, Huai-Lu, Chang, An-Chi, Chen, and Chiao-Hsuan, Yen
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Self Care ,Internet ,Diabetes Mellitus, Type 2 ,Patient Education as Topic ,Self-Management ,Health Behavior ,Humans ,Telemedicine - Abstract
Apart from drug control, diabetes management should pay more attention to how lifestyle and daily routine affect blood sugar. This study aimed to explore the impact of m-health programme using a minimal psychological intervention on diabetes patients' knowledge, behavioural, and psychological health. A pretest-posttest single-group pre-experimental study was undertaken with 30 individuals to recruit patients with diabetes. A total of 22 participants completed the 10-week online programme. The pretest-posttest results demonstrated the differences in health behaviour, including foot care, diet control, and exercise. The adoption of m-health that changed and improved patient's self-care; however, the acceptance of using m-health remains a challenge for public dissemination.
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- 2018
34. Prophylactic Kinesio taping enhances balance for healthy collegiate players
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Chun-Hou Wang, Shih-Chung Cheng, Yu-Hui Huang, Chun-Yu Yeh, and Hsiao-Yun Chang
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Male ,030506 rehabilitation ,medicine.medical_specialty ,Knee Joint ,education ,Physical Therapy, Sports Therapy and Rehabilitation ,law.invention ,Young Adult ,03 medical and health sciences ,Vertical jump ,0302 clinical medicine ,Randomized controlled trial ,law ,medicine ,Humans ,Orthopedics and Sports Medicine ,Prospective Studies ,Range of Motion, Articular ,Dynamic balance ,Balance (ability) ,Analysis of Variance ,business.industry ,Repeated measures design ,030229 sport sciences ,Athletic Tape ,Biomechanical Phenomena ,Primary Prevention ,medicine.anatomical_structure ,Athletic Injuries ,Physical therapy ,Female ,Ankle ,0305 other medical science ,business ,Range of motion ,Ankle Joint ,Sports - Abstract
BACKGROUND This study was to investigate the effects of prophylactic Kinesio taping and athletic taping on the functional performance of the lower extremities in healthy collegiate players with tapes applied to the dominant leg. METHODS The study design was a prospective, randomized, clinical trial with comparison of groups. The 32 healthy collegiate players who participated in this study were randomly assigned to 2 groups, an athletic taping group and a Kinesio taping group. Active range of motion of ankle joint, ankle plantar-flexor strength, endurance, vertical jump performance, and dynamic balance were used to measure the player's functional performance of the lower extremities. These tests were conducted 2 times at 4-hour intervals before and after different tapes were applied. The repeated measures analysis of variance was used to examine the interaction in functional performance between the groups before and after the tapes applied. RESULTS The results found less limitation of range of motion in active ankle dorsiflexion and significant improvement in dynamic balance in the Kinesio taping group (F=5.150, P=0.031, F=18.766, P
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- 2018
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35. Reproductive biology of the black marlin, Istiompax indica, off southwestern and eastern Taiwan
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Chi-Lu Sun, Tsung-Yun Liu, Hsiao-Yun Chang, Su-Zan Yeh, and Yi-Jay Chang
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Istiompax indica ,Fishery ,Reproductive biology ,Ovary (botany) ,%22">Fish ,Sexual maturity ,Aquatic Science ,Biology ,biology.organism_classification ,Fecundity ,Black marlin ,Sex ratio - Abstract
The reproductive biology of the black marlin, Istiompax indica, was assessed by examining 4762 fish (458 ovary samples) caught by offshore longliners off southwestern and eastern Taiwan during 2004–2007. The overall sex ratio (0.67 off southwestern and 0.86 off eastern Taiwan) was significantly different from 0.5 (p
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- 2015
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36. A review of nurses' knowledge, attitudes, and ability to communicate the risks and benefits of complementary and alternative medicine
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Huai-Lu Chang Md and RN Hsiao-Yun Chang PhD
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Complementary Therapies ,Health Knowledge, Attitudes, Practice ,medicine.medical_specialty ,Attitude of Health Personnel ,business.industry ,Communication ,media_common.quotation_subject ,Alternative medicine ,General Medicine ,Mind–body interventions ,Identification (information) ,Feeling ,Nursing ,Health care ,medicine ,Humans ,Relevance (law) ,business ,Research question ,Inclusion (education) ,General Nursing ,media_common - Abstract
Aims and objectives This study reviewed existing literature to investigate how frequently nurses include complementary and alternative forms of medicine in their clinical practice. In so doing, we investigated nurses' knowledge of and attitudes towards complementary and alternative medicine as well as their ability to communicate the risks and benefits of these therapies with patients. Background Little information is available concerning nurses' knowledge and attitudes towards complementary and alternative medicine or how they incorporate these therapies into their practice. In addition, little is known about the ability of nurses to communicate the risks and benefits of complementary and alternative medicine to their patients. Study design This study used a scoping review method to map and synthesise existing literature. Data sources Both electronic and manual searches were used to identify relevant studies published between January 2007 and January 2014. Review methods The review was conducted in five stages: (1) identification of research question(s), (2) locate studies, (3) selection of studies, (4) charting of data, and (5) collating, summarising, and reporting of results. Results Fifteen papers met the inclusion criteria for this review, among which 53·7% referenced how frequently nurses include complementary and alternative medicine in their practice. We found that 66·4% of nurses had positive attitudes towards complementary and alternative medicine; however, 77·4% did not possess a comprehensive understanding of the associated risks and benefits. In addition, nearly half of the respondents (47·3–67·7%) reported feeling uncomfortable discussing complementary and alternative medicine therapies with their patients. Conclusion The lack of knowledge about complementary and alternative medicine among nurses is a cause for concern, particularly in light of its widespread application. Relevance to clinical practice Findings from this study suggest that health care professionals need to promote evidence informed decision-making in complementary and alternative medicine practice and be knowledgeable enough to discuss complementary and alternative medicine therapies. Without involvement of complementary and alternative medicine communication on the part of our profession, we may put our patients at risk of uninformed and without medical guidance.
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- 2015
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37. A simple microfluidics for real-time plasma separation and hCG detection from whole blood
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Hsiao-Yun Chang and Min-Sheng Hung
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chemistry.chemical_compound ,Polydimethylsiloxane ,Chemistry ,Chorionic gonadotrophin ,Microfluidics ,General Engineering ,Nanotechnology ,In patient ,Plasma ,Protein detection ,Biomedical engineering ,Whole blood - Abstract
Plasma isolation and protein detection from whole blood are necessary processes for diagnosing various diseases and evaluating treatment effectiveness in patients. A microfluidics device has the potential to achieve the miniaturization and integration of blood detection assays. In this study, we have developed a simple microfluidics system for separating plasma and detecting human chorionic gonadotrophin (hCG) from whole blood using a sheath flow and polydimethylsiloxane as a material. We investigated the effects of various sheath flows on plasma separation and hCG detection. Our results showed that when the sheath flow increased, the number of blood cells in the plasma-recovered microchannels decreased. At a sheath flow ≥13.6 × 10−5 m/s, the blood cells sedimented on the bottom of the main-flow microchannels. When the sheath flow was increased, the number of fluorescence spots indicating the detection of hCG decreased. Our results indicate that a prepared amount of protein A of 1 × 10−2 mg/mL and a sheat...
- Published
- 2015
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38. Oleanolic Acid-Mediated Inhibition of Pregnane X Receptor and Constitutive Androstane Receptor Attenuates Rifampin-Isoniazid Cytotoxicity
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Yun-Ping Lim, Chao-Jung Chen, Hsiao Yun Chang, Wai Kok Cheng, Yen Ning Lin, Jih Jung Chen, and Ying-Ray Lee
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0301 basic medicine ,Receptors, Steroid ,CYP2B6 ,Receptors, Cytoplasmic and Nuclear ,Pharmacology ,digestive system ,Gene Expression Regulation, Enzymologic ,Cell Line ,03 medical and health sciences ,chemistry.chemical_compound ,Transactivation ,0302 clinical medicine ,Species Specificity ,Constitutive androstane receptor ,Isoniazid ,Cytochrome P-450 CYP3A ,Humans ,Drug Interactions ,Oleanolic Acid ,Cytotoxicity ,Promoter Regions, Genetic ,Oleanolic acid ,Constitutive Androstane Receptor ,Pregnane X receptor ,CYP3A4 ,biology ,Pregnane X Receptor ,Cytochrome P450 ,General Chemistry ,Hep G2 Cells ,digestive system diseases ,Cytochrome P-450 CYP2B6 ,030104 developmental biology ,chemistry ,030220 oncology & carcinogenesis ,biology.protein ,Hepatocytes ,Cytochrome P-450 CYP3A Inhibitors ,Rifampin ,General Agricultural and Biological Sciences - Abstract
Interactions between transcriptional inducers of cytochrome P450 (CYP450) and pharmacological agents might decrease drug efficacy and induce side effects. Such interactions could be prevented using an antagonist of the pregnane X receptor (PXR) and constitutive androstane receptor (CAR). Here, we aimed to determine the antagonistic effect of oleanolic acid (OA) on PXR and CAR. OA attenuated the promoter activities, expressions, and enzyme catalytic activities of CYP3A4 and CYP2B6 mediated by rifampin (RIF) and CITCO. Moreover, OA displayed species specificity for rodent PXR. Interaction of coregulators with PXR and transcriptional complexes on the CYP3A4 promoter was disrupted by OA. Additionally, OA reversed the cytotoxic effects of isoniazid induced by RIF. These data demonstrate that OA inhibited the transactivation of PXR and CAR, reduced the expression and function of CYP3A4 and CYP2B6, and may therefore serve as an effective agent for reducing probability adverse interactions between transcriptional inducers of CYP450 and therapeutic drugs.
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- 2017
39. The effects of threshold inspiratory muscle training in patients with chronic obstructive pulmonary disease: A randomised experimental study
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Han-Yu Chuang, Hsiao Yun Chang, Yueh-Yen Fang, and Su-Er Guo
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Male ,medicine.medical_specialty ,Activities of daily living ,Pulmonary disease ,Walk Test ,Breathing Exercises ,Severity of Illness Index ,03 medical and health sciences ,Pulmonary Disease, Chronic Obstructive ,0302 clinical medicine ,Quality of life ,Statistical significance ,Internal medicine ,Medicine ,Humans ,In patient ,030212 general & internal medicine ,Muscle Strength ,General Nursing ,Aged ,COPD ,Medical treatment ,business.industry ,Inspiratory muscle training ,General Medicine ,Middle Aged ,medicine.disease ,Respiratory Muscles ,030228 respiratory system ,Cardiology ,Physical therapy ,Quality of Life ,Female ,business - Abstract
Aims To investigate the effects of threshold inspiratory muscle training (IMT) in patients with stages II through IV chronic obstructive pulmonary disease (COPD) using maximum inspiratory pressure (PImax), baseline dyspnoea index (BDI), 6-minute walk test (6MWT), and quality of life (QoL). Background A threshold inspiratory muscle training device provides pressure for inspiratory muscle strength, but there is limited information on the effects of threshold inspiratory muscle training starting at low pressure training. Design Randomized experimental design Methods A total of 55 patients completed this study between September 2013 and April 2014. The experimental group (n=27) was provided medical treatment and routine care, along with five sessions of threshold IMT per week (21-30 minutes per session), accompanied by a progressive increase in the pressure threshold over a period of eight weeks. The control group (n=28) was provided medical treatment and routine care only, without intervention. In the inferential analysis, p values
- Published
- 2017
40. Experiences of Healing Yoga among Breast Cancer Women with Adjuvant Chemotherapy
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Wen Li Lin, Shu Ming Chen, and Hsiao Yun Chang
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medicine.medical_specialty ,Adjuvant chemotherapy ,business.industry ,Alternative medicine ,Omics ,medicine.disease ,humanities ,Sense of belonging ,030205 complementary & alternative medicine ,Active participation ,03 medical and health sciences ,0302 clinical medicine ,Breast cancer ,Nursing ,030220 oncology & carcinogenesis ,Medicine ,business ,human activities ,Qualitative research - Abstract
Objective: To illustrate the experiences and perceived benefits of healing yoga as described by patients with breast cancer participating in a healing yoga program. Methods: The qualitative research with naturalistic design was conducted after the completion of an 8 weeks healing yoga program. A total of 11 breast cancer women with adjuvant chemotherapy were interviewed using the semi-structured interview guidelines. Findings: Participants expressed their experiences of healing yoga, including transforming concern to confidence, regaining a sense of belonging, gaining experience and satisfaction, and leading the way for life, were critical in developing these benefits. The perceived benefits of participating in this program was described as positive mental support, promoted a mind-body interaction and provided benefits ascribed to social activities, leading to a reported increase in active participation in life. Conclusion: This study gives support for the positive experiences of healing yoga among patients with a breast cancer. The objective effect of the healing yoga must be examined further to guide nurses in implementing suitable health promotional strategies for breast cancer patients.
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- 2017
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41. Biological evaluation of Phellinus linteus-fermented broths as anti-inflammatory agents
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Chao-Lu Huang, Jau-Jin Liu, Hsiao-Yun Chang, Chih Ho Lai, Hsiu-Man Lien, Chun-Jung Lin, Yun-Chieh Chang, and Chia-Chang Chen
- Subjects
Lipopolysaccharides ,Lipopolysaccharide ,medicine.drug_class ,Anti-Inflammatory Agents ,Catechols ,Nitric Oxide Synthase Type II ,Bioengineering ,Nitric Oxide ,Applied Microbiology and Biotechnology ,Anti-inflammatory ,Cell Line ,Microbiology ,Nitric oxide ,Mice ,chemistry.chemical_compound ,medicine ,Animals ,Macrophage ,Mice, Inbred BALB C ,biology ,Tumor Necrosis Factor-alpha ,Basidiomycota ,Macrophages ,Hispolon ,NF-kappa B ,biology.organism_classification ,chemistry ,Phellinus linteus ,Fermentation ,Tumor necrosis factor alpha ,Biotechnology - Abstract
Phellinus linteus and its constituent hispolon induce potent anti-inflammatory activity in macrophages. Efficient production of the effective constituent and the biological function of P. linteus in the regulation of innate sensing have rarely been investigated. The aim of this study was to efficiently manufacture P. linteus -fermented broth containing the effective constituent, hispolon, and evaluate its immunoregulatory functions in macrophages. Four distinct fermented broths (PL1–4) and the medium dialyzate (MD) were prepared to screen suitable culture conditions for the mycelial growth of P. linteus . The P. linteus -fermented broth exhibited a dose-responsive inhibition of lipopolysaccharide (LPS)-induced nitric oxide (NO) production by murine macrophages. In addition, the P. linteus -fermented broths suppressed macrophage LPS-mediated nuclear factor (NF)-κB activity and tumor necrosis factor (TNF)-α. Among the tested samples from P. linteus , PL4 contained vast amounts of hispolon and showed the greatest anti-inflammatory activity in both the RAW264.7 cells and murine primary peritoneal exudate macrophages (PEMs). This study demonstrates that the purification of the effective constituent from P. linteus -fermented broth may enable the production of a potent therapeutic agent for anti-inflammation in macrophages.
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- 2014
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42. Performance Enhancement Among Adolescent Players After 10 weeks of Pitching Training With Appropriate Baseball Weights
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Wen-Wen Yang, Paul Pei-Hsi Chou, Chiang Liu, Ya-Chen Liu, Lee-Chang Lu, and Hsiao-Yun Chang
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Male ,medicine.medical_specialty ,Adolescent ,education ,Physical Therapy, Sports Therapy and Rehabilitation ,Athletic Performance ,Baseball ,Sports Equipment ,Elbow joints ,medicine ,Humans ,Technique development ,Orthopedics and Sports Medicine ,Range of Motion, Articular ,Mathematics ,Shoulder Joint ,Training (meteorology) ,General Medicine ,Biomechanical Phenomena ,body regions ,External rotation ,Arm swing ,Physical therapy ,Range of motion ,Performance enhancement ,human activities ,Throwing - Abstract
Compared with regulation-weight baseballs, lightweight baseballs generate lower torque on the shoulder and elbow joints without altering the pitching movement and timing. This study investigates the throwing accuracy, throwing velocity, arm swing velocity, and maximum shoulder external rotation (MSER) of adolescent players after 10 weeks of pitching training with appropriate lightweight baseballs. We assigned 24 adolescent players to a lightweight baseball group (group L) and a regulation-weight baseball group (group R) based on their pretraining throwing velocity. Both groups received pitching training 3 times per week for 10 weeks with 4.4- and 5-oz baseballs. The players' throwing accuracy, throwing velocity, arm swing velocity, and MSER were measured from 10 maximum efforts throws using a regulation-weight baseball before and after undergoing the pitching training. The results showed that the players in group L significantly increased their throwing velocity and arm swing velocity (p0.05) after 10 weeks of pitching training with the 4.4-oz baseball, whereas group R did not (p0.05). Furthermore, the percentage change in the throwing velocity and arm swing velocity of group L was significantly superior to that of group R (p0.05). Thus, we concluded that the 10 weeks of pitching training with an appropriate lightweight baseball substantially enhanced the arm swing velocity and throwing velocity of the adolescent baseball players. These findings suggest that using a lightweight baseball, which can reduce the risk of injury without altering pitching patterns, has positive training effects on players in the rapid physical growth and technique development stage.
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- 2013
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43. Reproductive biology of female bigeye tunaThunnus obesusin the western Pacific Ocean
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Hsiao-Yun Chang, Yi-Jay Chang, Chi-Lu Sun, Shih-Chia Yeh, and S. L. Chu
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Gonad ,Stock assessment ,biology ,Bigeye tuna ,Aquatic Science ,biology.organism_classification ,Fish measurement ,Fecundity ,Spawn (biology) ,Fishery ,medicine.anatomical_structure ,Animal science ,Reproductive biology ,medicine ,Ecology, Evolution, Behavior and Systematics ,Sex ratio - Abstract
The reproductive biology of female bigeye tuna Thunnus obesus was assessed by examining 888 fish (ranging from 84·9 to 174·4 cm fork length, LF ) caught by Taiwanese offshore longliners in the western Pacific Ocean from November 1997 to November 1998 and November to December 1999 and 258 gonad samples from these fish. The overall sex ratio of the catch during the sampling differed significantly from 0·5, but males were predominant in sizes >140 cm LF . Reproductive activity (assessed by histology), a gonado-somatic index, and the size-frequency distributions of whole oocytes indicated that spawning occurred throughout the year and the major spawning season appeared to be from February to September. The estimated sizes at 50% maturity (LF50 ) of females was 102·85 cm (95% c.i.: 90·79-110·21 cm) and the smallest mature female was 99·7 cm LF . They are multiple spawners and oocytes develop asynchronously. The proportion of mature (0·63) and reproductively active (0·70) females with ovaries containing postovulatory follicles indicated that they spawn almost daily. Batch fecundity for 15 females with the most advanced oocytes (>730 µm) ranged from 0·84 to 8·56 million eggs (mean ± s.d. = 3·06 ± 2·09). The relationships between batch fecundity (FB , in millions of eggs) and LF (cm) and round mass (MR , kg) were FB=9·91×10-14LF6·38 (r(2) = 0·84) and FB=8·89×10-4MR2·05 (r(2) = 0·80), respectively. The parameters estimated in this study are key information for stock assessments of T. obesus in the western Pacific Ocean and will contribute to the conservation and sustainable yield of this species.
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- 2013
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44. Effects of sexual dimorphism on population parameters and exploitation ratios of blue marlin (Makaira nigricans) in the northwest Pacific Ocean
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André E. Punt, Hsiao-Yun Chang, Wei-Chuan Chiang, Su-Zan Yeh, Chi-Lu Sun, Nan-Jay Su, and Yi-Jay Chang
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education.field_of_study ,Billfish ,biology ,Blue marlin ,cvg.computer_videogame ,Fishing ,Population ,Aquatic Science ,Fish measurement ,biology.organism_classification ,Fishery ,Sexual dimorphism ,cvg ,Tuna ,education ,Sex ratio - Abstract
Blue marlin are sexually dimorphic in size-at-age and other biological characteristics. However, few studies have examined the possible impact of sexual dimorphism on the population parameters and the ratios of fishing to total mortality (the exploitation ratios) for this species. We analyzed sex-specific catch-at-length data for blue marlin collected from the Taiwanese tuna longline fishery in the northwest Pacific Ocean, ranging between 100–311 cm in eye to fork length (EFL) for females and 100–236 cm EFL for males, and show that the proportion of females in the catch (the sex ratio) increases with length, with females reaching larger body sizes than males. Minor differences in fishery sex ratios among months were observed. Growth parameters, length structures, and natural mortality rates were estimated to differ between males and females, while fishing mortality rates were found to be similar. Nevertheless, the exploitation ratio for females was higher than that for males. We suggest that growth parameters and natural mortality rates should be sex-specific when assessments for sexually-dimorphic species such as blue marlin are conducted, and that management of blue marlin fisheries could be developed based on size limit regulations for large individuals.
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- 2013
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45. Characteristic of shoulder and hip rotation range of motion in adolescent tennis players
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Hsiao-Yun Chang, Chia-Che Liu, and Bi-Fon Chang
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musculoskeletal diseases ,Male ,medicine.medical_specialty ,Adolescent ,Taiwan ,Physical Therapy, Sports Therapy and Rehabilitation ,02 engineering and technology ,Demographic data ,Physical medicine and rehabilitation ,0202 electrical engineering, electronic engineering, information engineering ,Medicine ,Humans ,Orthopedics and Sports Medicine ,Dominant side ,Range of Motion, Articular ,Child ,Potential risk ,business.industry ,Shoulder Joint ,Hip rotation ,External rotation ,Tennis ,020201 artificial intelligence & image processing ,Hip Joint ,business ,Range of motion ,human activities - Abstract
Background Adolescent tennis players require sufficient hip and shoulder flexibility to achieve the kinetic chain of a tennis stroke or serve. Hence, the objective of this study is to measure the glenohumeral joint internal and external rotation (IR and ER, respectively) and hip ER range of motion (ROM) and to compare these parameters between experienced and beginner-level adolescent tennis players. Methods Twenty-three adolescent tennis players were divided into experienced (N.=12) and beginner groups (N.=11) on the basis of the adolescent national ranking of the Taiwan Tennis Association. For all participants, the shoulder IR and ER at 90° of abduction were measured, and hip ER which used Partick's Test was also evaluated on the dominant and nondominant sides. The total rotation ROM of the shoulder and the difference in shoulder ER, IR, and total rotation and hip ER between the dominant and nondominant sides were also calculated after measurements. An independent-samples t-test was applied to test the homogeneity of the participants' demographic data and the difference in shoulder IR, ER, and total rotation and hip ER values between the dominant and nondominant sides. Subsequently, a repeated-measured two-way analysis of variance (2 × 2) was used to compare the dominant and nondominant shoulder and hip ROM of the participants between the experienced and beginner groups. Results The experienced group exhibited a significantly less total rotation ROM than the beginner group. In addition, both groups showed less dominant shoulder IR ROM and more dominant shoulder ER ROM compared with the nondominant side. Compared with the experienced group, the beginner group showed an obvious difference in total shoulder rotation between dominant and nondominant sides. More tightness for the hip ER was observed in the experienced group than in the beginner group, but no difference was observed between the dominant and nondominant sides in both groups. Conclusions Beginner adolescent tennis players differ more in the degree of total shoulder ROM between the dominant and nondominant sides than experienced players. Beginner and experienced adolescent tennis players also have more shoulder ER and less IR on the dominant side. The results suggest that beginner-level adolescent tennis players should undergo a stretching and strengthening program to reduce the potential risk of injury and possibly enhance performance.
- Published
- 2016
46. Superior short-term learning effect of visual and sensory organisation ability when sensory information is unreliable in adolescent rhythmic gymnasts
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Hsiao-Yun Chang, Hung-Ting Tsao, Hui-Ya Chen, and Yan-Ying Ju
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medicine.medical_specialty ,Periodicity ,Adolescent ,Gymnastics ,Sensation ,Physical Therapy, Sports Therapy and Rehabilitation ,Sensory system ,Audiology ,Somatosensory system ,Learning effect ,Developmental psychology ,03 medical and health sciences ,0302 clinical medicine ,Rhythm ,Short term learning ,medicine ,Humans ,Learning ,Orthopedics and Sports Medicine ,Dynamic balance ,Postural Balance ,Vestibular system ,030229 sport sciences ,Standing balance ,Visual Perception ,Female ,Psychology ,030217 neurology & neurosurgery - Abstract
Rhythmic gymnasts specialise in dynamic balance under sensory conditions of numerous somatosensory, visual, and vestibular stimulations. This study investigated whether adolescent rhythmic gymnasts are superior to peers in Sensory Organisation test (SOT) performance, which quantifies the ability to maintain standing balance in six sensory conditions, and explored whether they plateaued faster during familiarisation with the SOT. Three and six sessions of SOTs were administered to 15 female rhythmic gymnasts (15.0 ± 1.8 years) and matched peers (15.1 ± 2.1 years), respectively. The gymnasts were superior to their peers in terms of fitness measures, and their performance was better in the SOT equilibrium score when visual information was unreliable. The SOT learning effects were shown in more challenging sensory conditions between Sessions 1 and 2 and were equivalent in both groups; however, over time, the gymnasts gained marginally significant better visual ability and relied less on visual sense when unreliable. In conclusion, adolescent rhythmic gymnasts have generally the same sensory organisation ability and learning rates as their peers. However, when visual information is unreliable, they have superior sensory organisation ability and learn faster to rely less on visual sense.
- Published
- 2016
47. Comparison of Autonomic Reactions during Urodynamic Examination in Patients with Spinal Cord Injuries and Able-Bodied Subjects
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Li-Wei Chou, Sung-Lang Chen, Sen-Wei Tsai, Yu-Hui Huang, Hsiao-Yun Chang, and Yu-Hao Lin
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Male ,Critical Care and Emergency Medicine ,lcsh:Medicine ,Blood Pressure ,030204 cardiovascular system & hematology ,Pathology and Laboratory Medicine ,Vascular Medicine ,Electrocardiography ,0302 clinical medicine ,Heart Rate ,Reflexes ,Medicine and Health Sciences ,Heart rate variability ,Prospective Studies ,Prospective cohort study ,lcsh:Science ,Spinal Cord Injury ,Tetraplegia ,Spinal cord injury ,Trauma Medicine ,Multidisciplinary ,medicine.diagnostic_test ,Heart ,Middle Aged ,Neurology ,Anesthesia ,Female ,Anatomy ,Paraplegia ,Traumatic Injury ,Research Article ,Biotechnology ,Adult ,Catheters ,Bladder ,Urology ,Cardiology ,Autonomic Nervous System ,03 medical and health sciences ,Young Adult ,Signs and Symptoms ,Diagnostic Medicine ,Heart rate ,medicine ,Humans ,Paralysis ,Spinal Cord Injuries ,business.industry ,lcsh:R ,Biology and Life Sciences ,Renal System ,medicine.disease ,Urodynamics ,Blood pressure ,Case-Control Studies ,lcsh:Q ,Medical Devices and Equipment ,business ,030217 neurology & neurosurgery ,Neuroscience - Abstract
Background/Purpose This study compares heart rate variability (HRV) and systolic blood pressure (SBP) changes of spinal cord injury (SCI) patients during urodynamic study (UDS) with able-bodied controls. Methods Twenty four complete suprasacral SCI patients (12 tetraplegia and 12 paraplegia) and 12 age-matched able-bodied volunteers received BP and HRV evaluation throughout urodynamic examination. We chose seven time points during the examinations: resting, Foley catheter insertion, start of infusion, and infused volume reaching 1/4, 2/4, 3/4 and 4/4 of maximal capacity. At each time point, electrocardiogram with a duration of 5 min was used for power spectral density analysis of HRV. Results Only control subjects displayed significant elevation of SBP during Foley catheter insertion compared to resting values. Both control and tetraplegic groups experienced significant elevation of SBP at maximal bladder capacity compared to resting values. Tetraplegic values were also significantly greater than the other two groups. Control subjects displayed significant elevation of low frequency/high frequency (LF/HF) ratios during Foley catheter insertion and when approaching maximum bladder capacity. These findings were not seen in the paraplegic and tetraplegic groups. However, subgroup analysis of tetraplegic subjects with SBP elevation >50 mmHg demonstrated a similar LF/HF response to the able-bodied controls. Conclusion Tetraplegic patients experienced BP elevation but did not experience significant changes in HRV during bladder distension. This finding may imply that different neurological pathways contribute to AD reaction and HRV changes during bladder distension. However, profound AD during UDS in tetraplegic patients was associated with corresponding changes in HRV. Whether HRV monitoring would be beneficial in SCI patients presenting with significant AD, it needs further studies to elucidate.
- Published
- 2016
48. Oral administration of bovine lactoferrin inhibits bacterial infection in tilapia and elevates survival after bacterial infection: an examination of its immune-modulating properties
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Jian-Chyi Chen, Hsiao-Yun Chang, Jyh-Yih Chen, and Yi-Da Wang
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food.ingredient ,biology ,Lactoferrin ,Spleen ,Tilapia ,Aquatic Science ,Bacterial growth ,medicine.disease_cause ,Microbiology ,Respiratory burst ,Immune system ,medicine.anatomical_structure ,food ,Streptococcus agalactiae ,Oral administration ,biology.protein ,medicine ,Agronomy and Crop Science - Abstract
It was previously reported that the oral administration of lactoferrin (LF) provides antimicrobial activity in animals against bacterial and viral infections and is involved in immunomodulatory properties. In this report, a hybrid strain of Oreochromis nilotica (male) × O. mossambicus (female) was fed homemade diets with or without supplementation with 10, 50, 100, and 150 mg bovine LF g−1 feed for 60 days. After dietary treatment, the experimental fish were infected with Streptococcus agalactiae. LF supplementation resulted in a significantly higher survival rate and suppression of bacterial growth at 24–96 h in the liver, spleen, kidneys, eyes, and gills. A reduction in peroxidase activity was followed by a similar reduction in the peroxidase content of leukocytes at 24 h as analyzed by spectrophotometry. Respiratory burst (RB) activity was detected regardless of the time at which LF was administered to fish in relation to the bacterial infection. A beneficial effect of LF on RBs was also detected before bacterial challenge (with 100 mg LF/g) and 24 h after bacterial challenge with 150 mg/g. The results obtained validate LF’s beneficial effects on RBs by phagocytes in tilapia, which was only shown at 48 h after supplementation with 100 mg bovine LF g−1 feed after the bacterial infection. Moreover, after oral administration of LF, it was detected in the mucosa of the small intestines of tilapia. In conclusion, we demonstrate a reduction in fish mortality after the oral administration of LF, and we examined its immunomodulatory properties in tilapia.
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- 2012
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49. Immediate effect of forearm Kinesio taping on maximal grip strength and force sense in healthy collegiate athletes
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Chun-Hou Wang, Jau-Jia Lin, Chih-Feng Lin, Hsiao-Yun Chang, and Kun-Yu Chou
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Male ,Muscle Strength Dynamometer ,medicine.medical_specialty ,Time Factors ,Adolescent ,Sports medicine ,Statistics as Topic ,Physical Therapy, Sports Therapy and Rehabilitation ,Sports Medicine ,Young Adult ,Grip strength ,Physical medicine and rehabilitation ,Forearm ,Reference Values ,Isometric Contraction ,medicine ,Humans ,Single-Blind Method ,Orthopedics and Sports Medicine ,Muscle, Skeletal ,Analysis of Variance ,Hand Strength ,biology ,Proprioception ,business.industry ,Athletes ,Repeated measures design ,General Medicine ,University hospital ,biology.organism_classification ,Athletic Tape ,medicine.anatomical_structure ,Physical therapy ,business ,Sports - Abstract
Objectives To determine the immediate effects of applied forearm Kinesio taping on maximal grip strength and force sense of healthy collegiate athletes. Design Single group, repeated measures study. Setting Clinical sports medicine laboratory at a university hospital. Participants Twenty-one healthy collegiate athletes voluntarily participated in this study. All subjects were male (average height: 181.24 ± 7.60 cm; average body weight: 72.86 ± 7.03 kg; average age: 20.86 ± 2.59 years). Main Outcome Measures First, maximal grip strength of the dominant hand was assessed by hand-held dynamometer. Then, 50% of maximal grip strength was established as the reference value of force sense. Absolute and related force sense errors and maximal grip strength were measured under three conditions: (1) without taping; (2) with placebo taping; and (3) with Kinesio taping. Results Results revealed no significant differences in maximal grip strength between the three conditions ( p = 0.936). Both related and absolute force sense errors in grip strength measurements significantly increased the accuracy of the results under the three conditions (related force sense errors: p p Conclusion Forearm Kinesio taping may enhance either related or absolute force sense in healthy collegiate athletes. However, Kinesio taping did not result in changes in maximal grip strength in healthy subjects.
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- 2010
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50. Electrotransfer of the tilapia piscidin 3 and tilapia piscidin 4 genes into skeletal muscle enhances the antibacterial and immunomodulatory functions of Oreochromis niloticus
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Wen-Chun Lin, Hsiao-Yun Chang, and Jyh-Yih Chen
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0301 basic medicine ,Fish Proteins ,food.ingredient ,Antimicrobial peptides ,Vibrio vulnificus ,Aquatic Science ,medicine.disease_cause ,Microbiology ,Streptococcus agalactiae ,03 medical and health sciences ,Fish Diseases ,food ,Streptococcal Infections ,Gene expression ,medicine ,Environmental Chemistry ,Animals ,Immunologic Factors ,Muscle, Skeletal ,biology ,Electroporation ,Skeletal muscle ,Tilapia ,04 agricultural and veterinary sciences ,General Medicine ,Cichlids ,biology.organism_classification ,Anti-Bacterial Agents ,Oreochromis ,030104 developmental biology ,medicine.anatomical_structure ,Vibrio Infections ,040102 fisheries ,0401 agriculture, forestry, and fisheries ,Antimicrobial Cationic Peptides - Abstract
Tilapia piscidin 3 (TP3) and tilapia piscidin 4 (TP4) are antimicrobial peptides recently isolated from Oreochromis niloticus. We previously showed that synthetic TP3 and TP4 possessed antimicrobial activities. Here, we analyzed the bactericidal abilities and immunomodulatory properties of these AMPs following the electroporation of pCMV-GFP-TP3 or pCMV-GFP-TP4 plasmid into tilapia (O. niloticus) muscle and subsequent infection with Vibrio vulnificus or Streptococcus agalactiae. Prior overexpression of TP3 or TP4 in tilapia muscle tissues efficiently reduced bacterial numbers at 24 and 48 h after V. vulnificus infection and reduced bacterial numbers at 24 h after S. agalactiae infection compared to numbers in controls expressing pCMV-GFP (EGFP). Electroporation of pCMV-EGFP-TP3 (TP3) or pCMV-EGFP-TP4 (TP4) significantly increased expression of several immune-related genes in muscle (IL-1β (12 h, TP3), IL-8 (12 h, TP3), TGFβ (3 h, TP4), and IκB (48 h, TP3, TP4)) and decreased the expression of TLR5 (12 h and 24 h, TP3) after V. vulnificus infection. Following S. agalactiae infection, expression of the following genes was significantly decreased in muscle: IL-1β (12 h, TP3), IL-8 (12 h, TP3, TP4), TLR5 (3 h-24 h, TP3, TP4), TGFβ (3 h, TP4; 24 h, TP3, TP4), and IκB (3 h, TP3). These data suggest that TP3 and TP4 exert antimicrobial effects after overexpression in the O. niloticus muscle, and also play important roles in the regulation of immune-related gene expression.
- Published
- 2015
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