17 results on '"Chayawat C"'
Search Results
2. Nurse-Led Cardiac Rehabilitation Care Coordination Program: Improving Functional Outcomes for Patients Through Automatic Referral and Effective Care Coordination.
- Author
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Boggess K, Hayes E, Duffy ML, Indranoi C, Sorey AB, Blaine T, and McKeon L
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- Humans, Male, Female, Retrospective Studies, Middle Aged, Aged, SARS-CoV-2, Cardiac Rehabilitation methods, Referral and Consultation, COVID-19
- Abstract
Purpose: The aim of this investigation was to evaluate the impact of automated cardiac rehabilitation (CR) referral and nurse care coordination on patient and program outcomes. Specifically, the aim was to identify whether differences exist in physical and psychological function at CR Phase 2 enrollment and completion and CR Phase 2 participation and completion for hospitalized patients who receive in-person CR nurse visits versus phone consultation. Using a retrospective pre-/post-intervention descriptive design, a purposive sampling technique was used to select groups with matching clinical attributes. Dates were selected to mitigate the impact of COVID-19 on CR program enrollment and completion., Methods: Data were abstracted from the patient electronic medical record, telemetry documentation, and CR referral tracking tool. Patient descriptors included age, sex, cardiac diagnosis/procedure (post-coronary artery bypass graft surgery, myocardial infarction, percutaneous coronary intervention, heart failure, and aortic valve repair and replacement) and cardiac risk stratification category. Patient functional outcomes included the 6-min walk test and metabolic equivalents of task levels for functional capacity; psychological function was measured by the Patient Health Questionnaire assessment. Program outcomes included discharge to CR Phase 2 enrollment, CR sessions, and completion., Results: Each group had 52 patients. Age was 64 ± 12 yr, 68% were male. Perhaps indications for CR included coronary artery bypass graft surgery (44%), myocardial infarction (19%), percutaneous coronary intervention (20%), heart failure (10%), aortic valve repair and replacement (8%). Cardiac risk was low in 30%, intermediate in 65%, and high in 5%. The post-intervention group compared with the pre-intervention group had a shorter discharge to CR Phase 2 enrollment (35 ± 18 d vs 41 ± 28 d, P = .078) and significantly fewer sessions required for CR completion., Conclusion: Automated CR referral and nurse care coordination visits for hospitalized patients decreased the transition period between CR Phase 1 and 2. Patients were physically and psychologically prepared for earlier CR Phase 2 enrollment and successfully completed the program in fewer days than the pre-intervention group., Competing Interests: The authors declare no conflicts of interest., (Copyright © 2024 Wolters Kluwer Health, Inc. All rights reserved.)
- Published
- 2024
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3. Immunogenicity and reactogenicity of heterologous COVID-19 vaccination in pregnant women.
- Author
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Chayachinda C, Watananirun K, Phatihattakorn C, Anuwutnavin S, Niyomnaitham S, Phongsamart W, Lapphra K, Wittawatmongkol O, Rungmaitree S, Jansarikit L, Boonnak K, Wongprompitak P, Senawong S, Upadhya A, Toh ZQ, Licciardi PV, and Chokephaibulkit K
- Subjects
- Adolescent, Adult, Female, Humans, Infant, Middle Aged, Pregnancy, Young Adult, Antibodies, Viral, BNT162 Vaccine, Immunogenicity, Vaccine, Immunoglobulin G, Pregnant Women, Vaccination, COVID-19 prevention & control, COVID-19 Vaccines adverse effects, Pregnancy Complications, Infectious prevention & control
- Abstract
This open-labeled non-inferiority trial evaluated immunogenicity and reactogenicity of heterologous and homologous COVID-19 vaccination schedules in pregnant Thai women. 18-45-year-old pregnant women with no history of COVID-19 infection or vaccination and a gestational age of ≥12 weeks were randomized 1:1:1 into three two-dose primary series scheduled 4 weeks apart: BNT162b2-BNT162b2 (Group 1), ChAdOx1-BNT162b2 (Group 2), and CoronaVac-BNT162b2 (Group 3). Serum antibody responses, maternal and cord blood antibody levels at delivery, and adverse events (AEs) following vaccination until delivery were assessed. The 124 enrolled participants had a median age of 31 (interquartile range [IQR] 26.0-35.5) years and gestational age of 23.5 (IQR 18.0-30.0) weeks. No significant difference in anti-receptor binding domain (RBD) IgG were observed across arms at 2 weeks after the second dose. Neutralizing antibody geometric mean titers against the ancestral Wuhan strain were highest in Group 3 (258.22, 95% CI [187.53, 355.56]), followed by Groups 1 (187.47, 95% CI [135.15, 260.03]) and 2 (166.63, 95% CI [124.60, 222.84]). Cord blood anti-RBD IgG was correlated with, and equal to or higher than, maternal levels at delivery ( r = 0.719, P < .001) and inversely correlated with elapsed time after the second vaccination ( r = -0.366, P < .001). No significant difference in cord blood antibody levels between groups were observed. Local and systemic AEs were mild-to-moderate and more frequent in Group 2. Heterologous schedules of CoronaVac-BNT162b2 or ChAdOx1-BNT162b2 induced immunogenicity on-par with BNT162b2-BNT162b2 and may be considered as alternative schedules for primary series in pregnant women in mRNA-limited vaccine settings.
- Published
- 2023
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4. Pregnancy outcomes among women affected with thalassemia traits.
- Author
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Ruangvutilert P, Phatihattakorn C, Yaiyiam C, and Panchalee T
- Subjects
- Female, Pregnancy, Humans, Pregnancy Outcome epidemiology, Retrospective Studies, beta-Thalassemia complications, beta-Thalassemia epidemiology, beta-Thalassemia diagnosis, Thalassemia complications, Thalassemia epidemiology, Hypertension, Pregnancy-Induced epidemiology
- Abstract
Objective: To compare the maternal and perinatal outcomes between a group of pregnant women diagnosed with thalassemia traits and normal controls., Study Design: A retrospective cohort study was conducted on singleton pregnant women affected and unaffected by thalassemia traits who attended an antenatal care clinic and delivered in Siriraj Hospital. Thalassemia status for all subjects was diagnosed by hemoglobin typing and/or DNA analysis. Patient charts were reviewed from January 2007 to December 2018. The control participants were randomly selected from the same period, with a control-case ratio of around 1:1., Results: Overall, 1288 women with thalassemia traits (348 with α thal-1 trait, 424 with β thal trait and 516 with HbE trait) and 1305 women in the control group were recruited. Baseline characteristics of both groups were similar, with the exception that the hematocrit level in the first trimester in the thalassemia trait group was significantly lower than that in the control group (34.8 ± 3.4% VS 36.9 ± 3.0%; p < 0.001). The prevalence of pregnancy-induced hypertension (PIH) was higher in the thalassemia trait group, at 6.9% VS 4.7% in the control group; p = 0.018. When subgroups were analyzed between each thalassemia trait, the number of maternal anemias in the first and third trimester was higher for all thalassemia traits compared to the normal group. The β thal and HbE traits increased the risk of PIH, with a relative risk (RR) = 1.67 and 1.66, respectively., Conclusions: Thalassemia traits minimally but significantly increase the risk of hypertensive disorders and maternal anemia. In addition, physiological changes during pregnancy may worsen the severity of anemia in the pregnant women with thalassemia traits., (© 2022. The Author(s).)
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- 2023
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5. The efficacy of erbium-doped yttrium aluminum garnet (Er:YAG) laser in the treatment of decreased sexual sensation: a randomized, placebo-controlled trial.
- Author
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Sathaworawong A, Manuskiatti W, Phatihattakorn C, Ungaksornpairote C, and Ng JN
- Subjects
- Aluminum, Female, Humans, Quality of Life, Sensation, Treatment Outcome, Yttrium, Erbium, Lasers, Solid-State adverse effects
- Abstract
Vaginal laxity, a common cause of decreased sexual sensation, is a common problem affecting the quality of life of women worldwide. Recently, lasers and energy-based devices (EBDs) have been applied in the treatment of this condition. The aim of this study was to compare the efficacy and safety of Er:YAG laser and placebo in treating decreased sexual sensation in Asians. Forty-two patients with decreased sexual sensation were randomized into 2 groups: intervention (laser treatment) and control (placebo treatment). Both groups received two treatments, at 1-month interval. Subjective and objective evaluations were done at baseline, 1-, 3-, and 6-month follow-ups. Pain score and adverse effects were also recorded. In the laser group, there was significant improvement in the patients' vaginal tightness satisfaction at 1- and 3-month follow-ups (P = 0.002 and 0.004) and also in the patients' overall satisfaction at 1- and 3-month follow-ups (P = 0.003 and 0.001). Pelvic floor muscle contraction was significantly better in the laser group after the first treatment (P = 0.043). No serious adverse effects were noted. Er:YAG laser provides improvement of sexual sensation for an average of 3 months following treatment. Mild and transient adverse effects such as leukorrhea, dryness, dysuria, vaginal itching, and spot bleeding were noted in the laser group, and these were not significantly different from the control group., (© 2021. The Author(s), under exclusive licence to Springer-Verlag London Ltd., part of Springer Nature.)
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- 2022
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6. Correction: Seroprevalence of Zika virus in pregnant women from central Thailand.
- Author
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Phatihattakorn C, Wongsa A, Pongpan K, Anuwutnavin S, Moungmaithong S, Wongprasert M, and Tassaneetrithep B
- Abstract
[This corrects the article DOI: 10.1371/journal.pone.0257205.].
- Published
- 2021
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7. Seroprevalence of Zika virus in pregnant women from central Thailand.
- Author
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Phatihattakorn C, Wongsa A, Pongpan K, Anuwuthinawin S, Mungmanthong S, Wongprasert M, and Tassaneetrithep B
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- Antibodies, Neutralizing metabolism, Dengue Vaccines therapeutic use, Dengue Virus immunology, Dengue Virus pathogenicity, Female, Humans, Neutralization Tests, Pregnancy, Pregnant Women, Seroepidemiologic Studies, Thailand, Zika Virus, Zika Virus Infection immunology, Zika Virus Infection prevention & control, Zika Virus Infection epidemiology
- Abstract
Zika virus (ZKV) infection in a pregnant woman, especially during the first trimester, often results in congenital anomalies. However, the pathogenic mechanism is unknown and one-third of ZKV infected pregnancies are asymptomatic. Neutralizing antibodies against ZKV has been reported in 70% of Thai adults, but the prevalence among pregnant women is unknown. Currently, vaccines and specific treatments for ZKV are under development. A better understanding of the immune status of pregnant women will increase the success of effective prevention guidelines. The prevalence of ZKV infection in pregnant women in antenatal care clinics was investigated during the rainy season from May to October 2019 at Siriraj Hospital, Bangkok, Thailand. We recruited 650 pregnant women (39.42% first, 52.26% second and 7.36% third trimester) and found that 30.77% had ZKV-specific IgG, and 39.81% had neutralizing antibodies (nAb) against ZKV (titer ≥10). Specific and neutralizing antibody levels varied by maternal age, trimester, and month. We further characterized the cross-reaction between ZKV and the four Dengue virus (DENV) serotypes by focused reduction neutralization test (FRNT) and found that cross-reactions were common. In conclusion, about 60% of pregnant women who living in central Thailand may be at risk of ZKV infection due to the absence of neutralizing antibodies against ZKV. The functions of cross-reactive antibodies between related viral genotypes require further study. These findings have implications for health care monitoring in pregnant women including determining the risk of ZKV infection, assisting the development of a flavivirus vaccine, and informing the development of preventative health policies., Competing Interests: The authors have declared that no competing interests exist.
- Published
- 2021
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8. Zika virus isolation, propagation, and quantification using multiple methods.
- Author
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Dangsagul W, Ruchusatsawat K, Tawatsin A, Changsom D, Noisumdaeng P, Putchakarn S, Phatihattakorn C, Auewarakul P, and Puthavathana P
- Subjects
- Animals, Chlorocebus aethiops, Humans, Vero Cells, Culicidae virology, Genome, Viral, RNA, Viral blood, RNA, Viral genetics, RNA, Viral urine, Real-Time Polymerase Chain Reaction, Zika Virus genetics, Zika Virus growth & development, Zika Virus isolation & purification, Zika Virus Infection blood, Zika Virus Infection genetics, Zika Virus Infection urine
- Abstract
Zika virus (ZIKV) was isolated from the archival urine, serum, and autopsy specimens by intrathoracic inoculation of Toxorhynchitis splendens and followed by three blind sub-passaging in C6/36 mosquito cells. The virus isolates were identified using an immunofluorescence assay and real-time reverse transcription-polymerase chain reaction (real-time RT-PCR). This study analyzed 11 ZIKV isolates. One isolate (0.6%) was obtained from 171 urine samples, eight (8.7%) from 92 serum samples and two from tissues of an abortive fetus. After propagation in C6/36 cells, ZIKV was titrated by plaque and focus forming unit (FFU) assays in Vero cell monolayers, and viral genomes were determined via real-time and digital RT-PCR. Plaque and FFU assay quantitations were comparable, with the amount of infectious viruses averaging 106-107 PFU or FFU/ml. Real-time RT-PCR semi-quantified the viral genome numbers, with Ct values varying from 12 to 14. Digital RT-PCR, which precisely determines the numbers of the viral genomes, consistently averaged 10-100 times higher than the number of infectious units. There was good correlation between the results of these titration methods. Therefore, the selection of a method should be based on the objectives of each research studies., Competing Interests: The authors have declared that no competing interests exist.
- Published
- 2021
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9. Comparative analysis of a Thai congenital-Zika-syndrome-associated virus with a Thai Zika-fever-associated virus.
- Author
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Jitsatja A, Ramphan S, Promma P, Kuadkitkan A, Wikan N, Uiprasertkul M, Phatihattakorn C, and Smith DR
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- A549 Cells, Aedes virology, Animals, Cell Line, Cell Line, Tumor, Chlorocebus aethiops, Fetus virology, Humans, Male, RNA, Viral genetics, Thailand, Vero Cells, Viral Load genetics, Virus Replication genetics, Satellite Viruses genetics, Zika Virus genetics, Zika Virus Infection virology
- Abstract
In this study, we compared the characteristics of two strains of Zika virus (ZIKV) isolated in Thailand, one isolated from a febrile patient and one isolated from tissues of a fetus medically terminated due to congenital Zika syndrome (CZS). Replication profiles showed that the isolate from the fetal tissues replicated significantly more slowly than the fever-associated isolate in human lung A549 cells during the first 24 hours postinfection but showed a similar growth profile over longer-term infection. A much smaller difference was observed in Aedes albopictus C6/36 cells. In a quasispecies analysis, a high proportion (approximately 20%) of nonfunctional genomes was identified, caused by an adenine insertion in the prM gene. This insertion was found to be present in two Thai fever strains and as such may represent a common feature of Thai endemic ZIKV. Comparison between viral RNA copy number and viral titer showed that the isolate from fetal tissues was produced more efficiently than the fever-associated isolate. Together, these results suggest that different ZIKV isolates differ in their replication capacity, and this might contribute to the fetotropic potential of a particular strain.
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- 2020
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10. In situ 13CO2 labelling of rubber trees reveals a seasonal shift in the contribution of the carbon sources involved in latex regeneration.
- Author
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Duangngam O, Desalme D, Thaler P, Kasemsap P, Sathornkich J, Satakhun D, Chayawat C, Angeli N, Chantuma P, and Epron D
- Subjects
- Carbon, Latex, Rubber, Seasons, Hevea
- Abstract
Rubber trees (Hevea brasiliensis) are the main source of natural rubber, extracted from latex, which exudes from the trunk after tapping. Tapped trees require large amounts of carbon (C) to regenerate the latex after its collection. Knowing the contribution of C sources involved in latex biosynthesis will help in understanding how rubber trees face this additional C demand. Whole crown 13CO2 pulse labelling was performed on 4-year-old rubber trees in June, when latex production was low, and in October, when it was high. 13C content was quantified in the foliage, phloem sap, wood, and latex. In both labelling periods, 13C was recovered in latex just after labelling, indicating that part of the carbohydrate was directly allocated to latex. However, significant amounts of 13C were still recovered in latex after 100 d and the peak was reached significantly later than in phloem sap, demonstrating the contribution of a reserve pool as a source of latex C. The contribution of new photosynthates to latex regeneration was faster and higher when latex metabolism was well established, in October, than in June. An improved understanding of C dynamics and the source-sink relationship in rubber tree is crucial to adapt tapping system practices and ensure sustainable latex production., (© The Author(s) 2020. Published by Oxford University Press on behalf of the Society for Experimental Biology. All rights reserved. For permissions, please email: journals.permissions@oup.com.)
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- 2020
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11. Prediction and prevention of pre-eclampsia in Asian subpopulation.
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Wataganara T, Leetheeragul J, Pongprasobchai S, Sutantawibul A, Phatihattakorn C, and Angsuwathana S
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- Female, Humans, Pregnancy, Asian People ethnology, Pre-Eclampsia diagnosis, Pre-Eclampsia ethnology, Pre-Eclampsia prevention & control
- Abstract
The benefit of the early administration of aspirin to reduce preterm pre-eclampsia among screened positive European women from multivariate algorithmic approach (ASPRE trial) has opened an intense debate on the feasibility of universal screening. This review aims to assess the new perspectives in the combined screening of pre-eclampsia in the first trimester of pregnancy and the chances for prevention using low-dose aspirin with special emphasis on the particularities of the Asian population. PubMed, CENTRAL and Embase databases were searched from inception until 15 November 2017 using combinations of the search terms: preeclampsia, Asian, prenatal screening, early prediction, ultrasonography, pregnancy, biomarker, mean arterial pressure, soluble fms-like tyrosine kinase-1, placental growth factor, pregnancy-associated plasma protein-A and pulsatility index. This is not a systematic review or meta-analysis, so the risk of bias of the selected published articles and heterogeneity among the studies need to be considered. The prevalence of pre-eclampsia and serum levels of biochemical markers in Asian are different from Caucasian women; hence, Asian ethnicity needs to be corrected for in the algorithmic assessment of multiple variables to improve the screening performance. Aspirin prophylaxis may still be viable in Asian women, but resource implication needs to be considered. Asian ethnicity should be taken into account before implementing pre-eclampsia screening strategies in the region. The variables included can be mixed and matched to achieve an optimal performance that is appropriate for economical restriction in individual countries., (© 2018 Japan Society of Obstetrics and Gynecology.)
- Published
- 2018
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12. Correlation Between Third Trimester Glycemic Variability in Non-Insulin-Dependent Gestational Diabetes Mellitus and Adverse Pregnancy and Fetal Outcomes.
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Panyakat WS, Phatihattakorn C, Sriwijitkamol A, Sunsaneevithayakul P, Phaophan A, and Phichitkanka A
- Subjects
- Adult, Blood Glucose Self-Monitoring, Female, Glycemic Index, Humans, Middle Aged, Pregnancy, Young Adult, Blood Glucose analysis, Diabetes, Gestational blood, Pregnancy Outcome, Pregnancy Trimester, Third blood
- Abstract
Background: Gestational diabetes mellitus (GDM) is a pregnancy-related metabolic complication. Despite optimal glycemic control from self-monitoring blood glucose (SMBG) in non-insulin-dependent GDM, variations in pregnancy outcomes persist. Glycemic variability is believed to be a factor that causes adverse pregnancy outcomes. Continuous glucose monitoring system (CGMS) detects interstitial glucose values every 5 minutes, and glycemic variability data from CGMS during the third trimester may be a predictor of fetal birth weight and pregnancy outcomes. The aim of this study was to investigate correlation between third trimester glycemic variability in non-insulin-dependent GDM and fetal birth weight., Method: This prospective study was conducted in 55 pregnant volunteers with non-insulin-dependent GDM that were recruited at 28 to 32 weeks' gestation from the outpatient clinic of the Department of Obstetrics and Gynecology, Faculty of Medicine Siriraj Hospital during the study period of August 1 to December 31, 2016. Patients had CGMS installed for at least 72 hours and glycemic variability data were analyzed., Results: Of 55 enrolled volunteers, the data from 47 women were included in the analysis. Mean CGMS duration was 85.5 ± 12.83 hours. No statistically significant correlation was identified between glycemic variability in third trimester and birth weight percentiles, or between third trimester CGMS parameters and pregnancy outcomes in the study., Conclusion: Based on these findings, third trimester glycemic variability data from CGMS are not a predictor of fetal birth weight percentile, and no significant association was found between CGMS parameters and adverse pregnancy outcomes; thus, CGMS is not necessary in non-insulin-dependent GDM.
- Published
- 2018
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13. A prospective study of the severity of early respiratory distress in late preterms compared to term infants.
- Author
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Kitsommart R, Phatihattakorn C, Pornladnun P, and Paes B
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- Adult, Female, Humans, Infant, Newborn, Infant, Premature, Intubation, Intratracheal statistics & numerical data, Positive-Pressure Respiration statistics & numerical data, Pregnancy, Prospective Studies, Respiratory Distress Syndrome, Newborn therapy, Severity of Illness Index, Thailand epidemiology, Young Adult, Respiratory Distress Syndrome, Newborn epidemiology
- Abstract
Objective: To compare the severity of early respiratory distress in late preterm (LPT) versus term infants., Methods: A prospective cohort study was conducted in a tertiary care neonatal unit in Thailand. Levels of respiratory support, duration of intubation, and short term morbidities were compared between LPT and term infants., Results: Two-hundred nineteen LPT and 564 term infants were included over a period of 2 years (2009-2011). 106 (48.4%) LPTs versus 58 (10.3%) term infants received non-invasive ventilation or intubation [p < 0.001; OR (95% CI) 8.2 (5.6, 12.0)]. The intubation rate was 24.7% in LPTs versus 7.3% in term infants [p < 0.001; OR (95% CI) 4.18 (2.7, 6.5)]. The duration of intubation was longer in LPT infants (median 5.0 versus 2.0 days. p = 0.03). There was a non-significant trend towards a higher mortality rate in the LPT group [p = 0.14; OR (95% CI) 3.9 (0.7, 23.5)]., Conclusions: This is one of three published prospective studies on the topic. The study design lends more robust credence to the results previously identified only in retrospective and systematic reviews. LPT infants are more likely to require positive-pressure ventilation support and incur a longer duration of intubation. A trend towards greater mortality is prevalent compared to term infants.
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- 2016
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14. Relation between gestational weight gain and pregnancy outcomes.
- Author
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Sunsaneevithayakul P, Titapant V, Ruangvutilert P, Sutantawibul A, Phatihattakorn C, Wataganara T, and Talungchit P
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- Adult, Body Mass Index, Female, Fetal Growth Retardation epidemiology, Fetal Growth Retardation ethnology, Fetal Growth Retardation prevention & control, Fetal Macrosomia epidemiology, Fetal Macrosomia ethnology, Fetal Macrosomia prevention & control, Health Promotion, Hospitals, University, Humans, Incidence, Nutrition Policy, Obesity ethnology, Overweight ethnology, Patient Compliance ethnology, Pregnancy, Pregnancy Complications ethnology, Pregnancy Outcome ethnology, Retrospective Studies, Thailand epidemiology, Thinness ethnology, Weight Gain ethnology, Young Adult, Fetal Growth Retardation etiology, Fetal Macrosomia etiology, Maternal Nutritional Physiological Phenomena ethnology, Obesity physiopathology, Overweight physiopathology, Pregnancy Complications physiopathology, Thinness physiopathology
- Abstract
Aim: The aim of this study was to evaluate the effects of gestational weight gain on pregnancy outcomes in pregnant Thai women with different pre-pregnancy body mass indexes (BMI)., Materials and Methods: A retrospective study was carried out by reviewing 5200 medical records of pregnant women who delivered at the Department of Obstetrics and Gynecology, Faculty of Medicine Siriraj Hospital during 1 September 2011-1 August 2012. Inclusion criteria were singleton pregnancy with available pre-pregnant weight and maternal height. Pre-pregnancy BMI were categorized according to World Health Organization criteria. Pregnancy outcomes of interest were appropriate-for-gestational-age infants. The optimal gestational weight gain for each BMI group was proposed to achieve a high proportion of appropriate-for-gestational age infants., Results: Patients were divided into four groups according to their pre-pregnancy BMI: underweight (21.3%), normal weight (64.1%), overweight (11.5%), and obese (3.1%). Optimal gestational weight gain ranges for each group were 10-18, 8-16, 6-14 and 4-8 kg, respectively. Our proposed criteria seem to be realistic, with 60% of pregnant Thai women able to adhere to the recommendation, compared to 40.5% adherence to the 2009 Institute of Medicine recommendation. There were no significant complications when following either of the recommendations. Adverse pregnancy outcomes, including large for gestational age, cesarean section, and severe pre-eclampsia, were significantly decreased in women who complied with our recommendation., Conclusion: To achieve a high proportion of appropriate-for-gestational-age infants, Thai pregnant women could follow our gestational weight gain recommendation., (© 2014 The Authors. Journal of Obstetrics and Gynaecology Research © 2014 Japan Society of Obstetrics and Gynecology.)
- Published
- 2014
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15. Developing iCare v.1.0: an academic electronic health record.
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Wyatt TH, Li X, Indranoi C, and Bell M
- Subjects
- Education, Nursing, Baccalaureate methods, Education, Nursing, Graduate methods, Electronic Health Records organization & administration, Female, Focus Groups, Humans, Male, Education, Nursing, Baccalaureate organization & administration, Education, Nursing, Graduate organization & administration, Educational Measurement methods, Medical Records Systems, Computerized organization & administration, Software
- Abstract
An electronic health record application, iCare v.1.0, was developed and tested that allows data input and retrieval while tracking student performance over time. The development and usability testing of iCare v.1.0 followed a rapid prototyping software development and testing model. Once the functionality was tested by engineers, the usability and feasibility testing began with a convenience sample of focus group members including undergraduate and graduate students and faculty. Three focus groups were created, and four subjects participated in each focus group (n = 12). Nielsen's usability heuristics and methods of evaluation were used to evaluate data captured from each focus group. Overall, users wanted a full-featured electronic health record with features that coached or guided users. The earliest versions of iCare v.1.0 did not provide help features and prompts to guide students but were later added. Future versions will incorporate a full-featured help section. The interface and design of iCare v.1.0 are similar to professional electronic health record applications. As a result of this usability study, future versions of iCare will include more robust help features along with advanced reporting and elements specific to specialty populations such as pediatrics and mental health services.
- Published
- 2012
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16. Reference centile chart for fetal liver length of Thai fetuses.
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Phatihattakorn C, Ruangvutilert P, Sansaneevithayakul P, and Boriboonhirunsarn D
- Subjects
- Cross-Sectional Studies, Female, Gestational Age, Humans, Liver diagnostic imaging, Pregnancy, Prospective Studies, Reference Values, Ultrasonography, Prenatal, Fetus anatomy & histology, Liver embryology
- Abstract
Objective: To create a reference centile chart for fetal liver length of Thai fetuses., Design: Prospective, cross-sectional study., Setting: Division of Maternal-Fetal Medicine, Department of Obstetrics and Gynecology, Faculty of Medicine Siriraj Hospital, Mahidol University., Material and Method: A total of 752 pregnant women, who attended the antenatal clinic at Siriraj Hospital, Mahidol University, Bangkok, were recruited between 13-40 weeks of gestation. Each fetus was measured only once for the purpose of this study. Using real-time ultrasound with a 3.5 MHz convex transducer; the authors measured fetal liver length. The mean and standard deviation (SD) were estimated at each week of gestation using linear regression modeling., Results: A total of 750 fetuses were measured for fetal liver length. Linear regression models were fitted to estimate the mean and 95% confidence interval for liver length at each gestation age. The centile chart of liver length was also presented, Conclusion: A reference centile chart for fetal liver length of Thai fetuses has been created.
- Published
- 2004
17. Sonographic morphological pattern in the pre-operative prediction of ovarian masses.
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Benjapibal M, Sunsaneevitayakul P, Phatihattakorn C, Suphanit I, and Iamurairat W
- Subjects
- Adolescent, Adult, Aged, Aged, 80 and over, Child, Diagnosis, Differential, Female, Humans, Middle Aged, Predictive Value of Tests, Reproducibility of Results, Ovarian Diseases diagnostic imaging, Ovarian Diseases surgery, Ovarian Neoplasms diagnostic imaging, Ovarian Neoplasms surgery, Preoperative Care, Ultrasonography
- Abstract
The study was undertaken to evaluate the accuracy of sonographic morphological pattern in the detection of ovarian malignancy. A total of 123 patients with a suspicion of ovarian pathology, who were scheduled for elective surgery at the Department of Obstetrics and Gynecology, Faculty of Medicine Siriraj Hospital, Mahidol University were included in the study. All patients underwent sonographic examination prior to surgery by the same physician. The sonographic morphological pattern of each patient was compared to the histological diagnosis of the ovarian tumors. Of the 120 patients with an ovarian lesion, the sonographic morphological pattern of 10 had a sensitivity of 88.6 per cent and a specificity of 89.4 per cent in detection of malignant ovarian tumors. The positive predictive value, negative predictive value, and the accuracy rate were 77.5, 95.0, and 89.2 per cent, respectively. In the present study, a score of 9 would be the best discriminator between benign and malignant ovarian masses, giving a sensitivity of 97.1 per cent and specificity of 82.4 per cent. As stand alone, the present results confirm that ultrasonography is still a useful diagnostic tool in the differentiation of benign from malignant ovarian masses.
- Published
- 2003
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