25 results on '"Shu-Chen Kuo"'
Search Results
2. Collateral Benefit of COVID-19 Control Measures on Influenza Activity, Taiwan.
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Shu-Chen Kuo, Shu-Man Shih, Li-Hsin Chien, Chao A. Hsiung, Kuo, Shu-Chen, Shih, Shu-Man, Chien, Li-Hsin, and Hsiung, Chao A
- Abstract
Taiwan has strictly followed infection control measures to prevent spread of coronavirus disease. Meanwhile, nationwide surveillance data revealed drastic decreases in influenza diagnoses in outpatient departments, positivity rates of clinical specimens, and confirmed severe cases during the first 12 weeks of 2020 compared with the same period of 2019. [ABSTRACT FROM AUTHOR]
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- 2020
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3. An exploratory study of the use of blogs as a means of communication for breast cancer patients.
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SHU-CHEN KUO, HSIEH-HUA YANG, and YI-CHUN CHEN
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Objectives: The use of blogs as a means of internet communication is a phenomenon that cannot be ignored. Cancer patient-centered blogs have become an emerging and novel topic for health researchers to study. With in-depth interviews and participant observation, this preliminary study explored the impact of blog usage on the illness experiences of patients with breast cancer. Methods: In-depth interviews were held with 15 breast cancer bloggers from the Cancer Patient Reunion blog, a medium for meeting other breast cancer patients. Results: In order to confront their disease and stay socially connected, breast cancer patients were motivated to create the blog. The blog provided personal experiences of breast cancer treatment and related health information, served as a type of emotional catharsis and social support, and helped the participants reflect on the meaning of life. Personal experiences of the treatment process provided crucial health information for other patients with breast cancer. By writing blogs, breast cancer patients could comfort each other and alleviate the social isolation due to the illness. Nonetheless, it seemed that the illness narratives were still influenced by social/cultural regulation and ideology, and the treatments described were based mainly on Western medicine. In addition, few death-related topics were discussed on the blog. Conclusions: From the blog content, health care professionals should be able to understand the medical information needs and the psychosocial responses of cancer patients, and thus provide proper health care and social interventions based on the different stages of disease. Furthermore, based on analysis of blog content, appropriate government units can develop good medical and health information policies, create user-friendly websites, and provide updated medical information to help breast cancer patients communicate and interact with each other. [ABSTRACT FROM AUTHOR]
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- 2014
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4. Levofloxacin-Resistant Haemophilus influenzae, Taiwan, 2004-2010.
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Shu-Chen Kuo, Pei-Chen Chen, Yih-Ru Shiau, Hui-Ying Wang, Jui-Fen Lai, I-Wen Huang, and Tsai-Ling Yang Lauderdale
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HAEMOPHILUS influenzae , *HAEMOPHILUS disease treatment , *GRAM-negative bacterial diseases , *HAEMOPHILUS , *OLDER patients - Abstract
Levofloxacin resistance in Haemophilus influenzae has increased significantly in Taiwan, from 2.0% in 2004 to 24.3% in 2010 (p<0.001). Clinical and molecular investigations of 182 levofloxacin-resistant isolates revealed that the increase was mainly the result of the spread of several clones in the elderly population in different regions. [ABSTRACT FROM AUTHOR]
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- 2014
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5. Incidence and outcome of newly-diagnosed tuberculosis in schizophrenics: a 12-year, nationwide, retrospective longitudinal study.
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Shu-Chen Kuo, Yung-Tai Chen, Szu-Yuan Li, Yi-Tzu Lee, Albert C. Yang, Te-Li Chen, Chia-Jen Liu, Tzeng-Ji Chen, Ih-Jen Su, and Chang-Phone Fung
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TUBERCULOSIS diagnosis , *PEOPLE with schizophrenia , *RETROSPECTIVE studies , *TUBERCULOSIS risk factors , *COMORBIDITY , *KAPLAN-Meier estimator , *LOGISTIC regression analysis - Abstract
Background: To control tuberculosis (TB), it is critical to identify at risk populations. Schizophrenia is recognized as an important risk factor for TB. However, previous studies have been confounded by comorbidities, and reports of TB infection outcomes are rare. Therefore, the current nation-wide study aimed to compare the adjusted incidence and outcome of TB diseases in schizophrenics and the general population. Method: Using the National Health Insurance Research Database from 1998 to 2009, this retrospective longitudinal study included 60,409 schizophrenics and general population matched for age, Charlson's score, and comorbidities. Diagnosis of TB was based on the international classification of disease, ninth revision and use of anti-TB drugs. Unfavorable outcome for TB was defined as death, loss to follow-up, or use of anti-TB treatment for more than 9 months. Results: The adjusted incidence of TB in schizophrenics was significantly higher than in the general population [hazard ratio, 1.52; 95% confidence interval (CI), 1.29-1.79; p < 0.001; Kaplan-Meier log-rank test, p < 0.001]. Cox regression revealed age and male gender as risk factors for newly-diagnosed TB. The outcome of TB was comparable in schizophrenics and the general population [odds ratio (OR), 0.78; 95% CI, 0.55-1.09; p =0.144]. Logistic regression revealed a statistical trend for diabetes mellitus to predict poor outcome in schizophrenics with TB (OR, 2.30; 95% CI, 0.96-5.74; p = 0.062). Conclusions: Schizophrenics are at increased risk for TB, and screening may be warranted for those living in areas with high prevalence of TB. [ABSTRACT FROM AUTHOR]
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- 2013
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6. Dissemination of imipenem-resistant Acinetobacter baumannii with new plasmid-borne blaOXA-72 in Taiwan.
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Shu-Chen Kuo, Su-Pen Yang, Yi-Tzu Lee, Han-Chuan Chuang, Chien-Pei Chen, Chi-Ling Chang, Te-Li Chen, Po-Liang Lu, Po-Ren Hsueh, and Chang-Phone Fung
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ACINETOBACTER baumannii , *CARBAPENEMS , *DRUG resistance in bacteria , *PULSED-field gel electrophoresis , *DNA restriction enzymes , *POLYMERASE chain reaction - Abstract
Background: The systemic surveillance of imipenem-resistant Acinetobacter baumannii (IRAB) from multicenters in Taiwan revealed the emergence of isolates with blaOXA-72. This study described their genetic makeup, mechanism of spread, and contribution to carbapenem resistance. Methods: Two hundred and ninety-one non-repetitive isolates of A. baumannii were collected from 10 teaching hospitals from different geographical regions in Taiwan from June 2007 to September 2007. Minimal inhibitory concentrations (MICs) were determined by agar dilution. Clonality was determined by pulsed-field gel electrophoresis. Plasmid was extracted and digested by restriction enzymes, and subsequently analyzed by electrophoresis and Southern blot for blaOXA-72. The flanking regions of blaOXA-72 were determined by inverse PCR. The contribution of blaOXA-72 to imipenem MIC was determined by transforming plasmids carrying blaOXA-72 into imipenem-susceptible A. baumannii. Results: Among 142 IRAB in Taiwan, 27 harbored blaOXA-72; 22 originated from Southern Taiwan, 5 from Central Taiwan, and none from Northern Taiwan. There were two major clones. The blaOXA-72 was identified in the plasmids of all isolates. Two genetic structures flanking plasmid-borne blaOXA-72 were identified and shared identical sequences in certain regions; the one described in previous literature was present in only one isolate, and the new one was present in the remaining isolates. Introduction of blaOXA-72 resulted in an increase of imipenem MIC in the transformants. The overexpression of blaOXA-72 mRNA in response to imipenem further supported the contribution of blaOXA-72. Conclusions: In conclusion, isolates with new plasmid-borne blaOXA-72 were found to be disseminated successfully in Southern Taiwan. The spread of the resistance gene depended on clonal spread and dissemination of a new plasmid. BlaOXA-72 in these isolates directly led to their imipenem-resistance. [ABSTRACT FROM AUTHOR]
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- 2013
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7. A preliminary investigation of hypnotic prescribing behavior by physicians: a qualitative study.
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SHU-CHEN KUO, YI-CHUN CHEN, and HSIEH-HUA YANG
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HYPNOTICS , *DRUG prescribing , *PHYSICIAN-patient relations , *BENZODIAZEPINES , *INSOMNIA treatment , *PHYSICIANS - Abstract
Objectives: In Taiwan, the bulk of studies about hypnotics have focused on the content of prescriptions, with relatively less emphasis on the physician's clinical considerations. The objective of this study was to explore hypnotic prescribing behavior by physicians. Methods: Referred by friends engaged in medical work, 17 physicians who prescribed hypnotics consented to in-depth interviews. Data were subject to editing style analysis. Results: Factors influencing hypnotic prescribing behavior included physician specialization, patient expectation of drug effects, maintenance of social functioning of the patient, and the doctor-patient relationship. The physician might not want to respond to a patient's request, but the long-term doctor-patient relationship might still influence prescription behavior and the physician would prescribe the same drug again. If the patient were a first-time user, the physician would prescribe benzodiazepine receptor agonists. Because of confidence in non-benzodiazepine drugs, physicians would ignore the risk of using these drugs. Some physicians believed that patients did not want to get too many messages, and told their patients only the name of the medication and the time of ingestion, but not a detailed description of the effects or the need for continuous follow-up evaluation and consultation. Other than their impact on the health care payment system, most of the physicians had limited knowledge about non-pharmaceutical treatments for insomnia. As a result, the treatment of insomnia still heavily relies on prescription medications. Conclusions: Based on the results, we suggest that the government might adopt pay for performance to cover the cost of alternative medical treatments. To reduce the unnecessary use of hypnotics, physicians are encouraged to learn about other non-pharmaceutical techniques during continuing medication education, apply these techniques in clinical settings, and create proper treatment plans for patients with insomnia. [ABSTRACT FROM AUTHOR]
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- 2012
8. Emergence of extensively drug-resistant Acinetobacter baumannii complex over 10 years: Nationwide data from the Taiwan Surveillance of Antimicrobial Resistance (TSAR) program.
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Shu-Chen Kuo, Shan-Chwen Chang, Hui-Ying Wang, Jui-Fen Lai, Pei-Chen Chen, Yih-Ru Shiau, I-Wen Huang, and Yang Lauderdale, Tsai-Ling
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ACINETOBACTER baumannii , *AMINOGLYCOSIDES , *POLYMYXIN , *MULTIVARIATE analysis - Abstract
Background: Acinetobacter baumannii complex (ABC) has emerged as an important pathogen causing a variety of infections. Longitudinal multicenter surveillance data on ABC from different sources in Taiwan have not been published. Using data from the Taiwan Surveillance of Antimicrobial Resistance (TSAR) conducted biennially, we investigated the secular change in resistance of 1640 ABC from 2002 to 2010 (TSAR period III to VII) to different antimicrobial agents and identified factors associated with imipenem-resistant and extensively drug-resistant ABC (IRABC and XDRABC). Methods: Isolates were collected by TSAR from the same 26 hospitals located in all 4 regions of Taiwan. Minimum inhibitory concentrations (MIC) were determined by reference broth microdilution method. Isolates nonsusceptible to all tested aminoglycosides, fluoroquinolones, β-lactam, β-lactam/β-lactam inhibitors, and carbapenems were defined as extensively drug-resistant (XDR). Multivariate logistic regression analysis was performed to assess the relationship between predictor variables among patients with resistant ABC and patients with non-resistant ABC. Results: The prevalence of IRABC increased from 3.4% in 2002 to 58.7% in 2010 (P < 0.001; odds ratio [OR], 2.138; 95% confidence interval [CI], 1.947 to 2.347) and that of XDRABC increased from 1.3% in 2002 to 41.0% in 2010 (P < 0.001; OR, 1.970; 95% CI, 1.773-2.189). The rates of non-susceptibility to other antimicrobial agents remained high (>55%) over the years with some fluctuations before and after TSAR V (2006) on some agents. Multivariate analysis revealed that recovery from elderly patients, origins other than blood, from ICU settings, or geographic regions are independent factors associated with IRABC and XDRABC. Although the prevalence of XDRABC increased in all four regions of Taiwan over the years, central Taiwan had higher prevalence of XDRABC starting in 2008. Susceptibility to polymyxin remained high (99.8%). Conclusions: This longitudinal multicenter surveillance program revealed significant increase and nationwide emergence of IRABC and XDRABC in Taiwan over the years. This study also identified factors associated with IRABC and XDRABC to help guide empirical therapy and at-risk groups requiring more intense interventional infection control measures with focused surveillance efforts. [ABSTRACT FROM AUTHOR]
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- 2012
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9. Colistin resistance gene mcr-1 in Escherichia coli isolates from humans and retail meats, Taiwan.
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Shu-Chen Kuo, Wei-Cheng Huang, Hui-Ying Wang, Yih-Ru Shiau, Ming-Fang Cheng, Tsai-Ling Lauderdale, Kuo, Shu-Chen, Huang, Wei-Cheng, Wang, Hui-Ying, Shiau, Yih-Ru, Cheng, Ming-Fang, and Lauderdale, Tsai-Ling
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COLISTIN , *MOLECULAR biology - Abstract
A letter to the editor is presented in response to the article "Emergence of plasmid-mediated colistin resistance mechanism MCR-1 in animals and human beings in China: a microbiological and molecular biological study," by Y. Y. Liu and colleagues in the 2016 issue.
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- 2016
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10. Metastatic carcinoma of the breast: A case with the unusual presentation of unilateral periorbital edema.
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Shu-Chen Kuo, Shih-Chuan Hsiao, Chien-Chun Chiou, Fen-Fen Chen, and Kuo-Chan Huang
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BREAST cancer , *METASTASIS , *EDEMA , *EYELID diseases , *ETIOLOGY of diseases , *BRAIN imaging , *HISTOPATHOLOGY , *CANCER chemotherapy - Abstract
Abstract Background Metastasis of mammary cancer involving the orbit is common, and it typically presents with enophthalmos and restrictions of ocular motility. We report a case of mammary cancer with the unusual presentation of unilateral periorbital edema only. The possible mechanisms of unilateral periorbital swelling are discussed. Case Metastasis of breast cancer involving unilateral eyelid edema was diagnosed in a 66-year-old woman. A biopsy was performed to confirm the etiology after vague neuroimaging findings. The diagnosis was based on the histopathologic features of carcinomatous cells in the excised specimen. Observations Insidious, progressive unilateral upper and lower eyelid swelling of the right eye disappeared after one cycle of palliative chemotherapy. Neither restriction nor proptosis developed in the whole course. Conclusions Possible metastasis should be considered as a possible etiology of unilateral eyelid edema, even without a palpable mass or limitation of ocular motility. A biopsy should be performed in cases of unexplained eyelid edema. [ABSTRACT FROM AUTHOR]
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- 2008
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11. Early and Standard Urinary Catheter Removal After Gynecological Surgery for Benign Lesions: A Quasi-Experimental Study.
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Shu Fen Chen, Peng-Hui Wang, Shu-Chen Kuo, Yin-Chen Chen, Huei-Jhen Sia, Pei-Hsuan Lee, Jia-Hwa Yang, and Senyeong Kao
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EVALUATION of medical care , *MEDICAL device removal , *RESEARCH methodology , *URINARY catheters , *GYNECOLOGIC surgery , *DESCRIPTIVE statistics , *CATHETERIZATION , *ADVERSE health care events , *DATA analysis software - Abstract
Patients undergoing gynecological surgery commonly receive indwelling transurethral Foley catheters, however duration of catheterization is associated with risk of urinary tract infections and other adverse effects. Early removal of catheters is encouraged, however optimal timing postsurgery remains unclear. This quasi-experimental study compared outcomes for women after removal of a Foley catheter at two different times following benign gynecological surgery. Participants received either early catheter removal, within 6 hours of surgery (n = 38) or standard catheter removal, within 12 to 24 hours of surgery (n = 45). There were no significant differences in outcomes for discomfort scores or re-catheterization rates between groups. However, the early removal group had a significantly shorter time to first ambulation and shorter hospital stays. Early removal of Foley catheters in patients who underwent gynecological surgery did not increase adverse events. Early removal of catheters after gynecological surgery may decrease re-catheterization rates and increase patient satisfaction. [ABSTRACT FROM AUTHOR]
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- 2022
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12. Antibiotic restriction policy paradoxically increased private drug consumptions outside Taiwan's National Health Insurance.
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Shu-Chen Kuo, Shu-Man Shih, Li-Yun Hsieh, Tsai-Ling Yang Lauderdale, Yee-Chun Chen, Hsiung, Chao A., Shan-Chwen Chang, Kuo, Shu-Chen, Shih, Shu-Man, Hsieh, Li-Yun, Lauderdale, Tsai-Ling Yang, Chen, Yee-Chun, and Chang, Shan-Chwen
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ANTIBIOTIC supply & demand , *HEALTH insurance , *FLUOROQUINOLONES , *ANTIBIOTIC sales & prices , *ANTIBIOTICS , *DRUG utilization statistics , *COMPARATIVE studies , *DATABASES , *DRUG resistance in microorganisms , *RESEARCH methodology , *MEDICAL cooperation , *RESEARCH , *EVALUATION research - Abstract
The article discusses a study related to comparison between systemic antibiotic consumption registered in Taiwan's National Health Insurance Research Database (NHIRD) and that recorded in Intercontinental Marketing Services (IMS) Health's Taiwan database for estimating the amount of antibiotic consumption not recorded by the NHI. Topics include greater consumption of most antibiotics such as fluoroquinolones, equivalent consumption of first-line antibiotics and all antibiotics as affordable.
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- 2017
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13. High-dose daptomycin and fosfomycin treatment of a patient with endocarditis caused by daptomycin-nonsusceptible Staphylococcus aureus: Case report.
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Liang-Yu Chen, Cheng-Hsiung Huang, Shu-Chen Kuo, Chen-Yuan Hsiao, Mei-Lin Lin, Fu-Der Wang, and Chang-Phone Fung
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STAPHYLOCOCCUS aureus , *TREATMENT of endocarditis , *ANTI-infective agents , *METASTASIS , *SPINE diseases - Abstract
Background: Emergence of daptomycin-nonsusceptible (DNS) Staphylococcus aureus is a dreadful problem in the treatment of endocarditis. Few current therapeutic agents are effective for treating infections caused by DNS S. aureus. Case presentation: We describe the emergence of DNS S. aureus. in a patient with implantable cardioverterdefibrillator (ICD) device -related endocarditis who was priorily treated with daptomycin. Metastatic dissemination as osteomyelitis further complicated the management of endocarditis. The dilemma was successfully managed by surgical removal of the ICD device and combination antimicrobial therapy with high-dose daptomycin and fosfomycin. Conclusions: Surgical removal of intracardiac devices remains an important adjunctive measure in the treatment of endocarditis. Our case suggests that combination therapy is more favorable than single-agent therapy for infections caused by DNS S. aureus. [ABSTRACT FROM AUTHOR]
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- 2011
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14. The association between infant feeding pattern and mother’s quality of life in Taiwan.
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Yi-Chun Chen, Wei-Chu Chie, Shu-Chen Kuo, Yu-Hsuan Lin, Shio-Jean Lin, and Pau-Chung Chen
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BREASTFEEDING , *QUALITY of life , *MOTHERS , *INFANT nutrition , *MOTHER-child relationship , *CHILDREN'S health - Abstract
This study compared the health-related quality of life (HRQOL) of mothers using different infant feeding methods. We used the Medical Outcomes Study 36-item Short-Form (SF-36) to measure the HRQOL of 1,747 mothers and used the scores to look for associations with infant feeding methods (not breastfeeding, breastfeeding for <1 month, breastfeeding 1–5 months, and still breastfeeding at the 6th month). The mothers were chosen via a stratified sampling from the Taiwan national birth registration data between November and December 2003. HRQOL and breastfeeding duration were positively associated. Of the eight unadjusted domain scores of the SF-36, general health perception and mental health were significantly different among these four different infant feeding groups ( P < 0.05). After controlling for potential confounding factors, mothers who breastfed for 6 months or longer had a higher HRQOL score than the other mothers. In addition, their physical functioning, general health perception and mental health scores were higher than those of mothers who did not breastfeed ( P < 0.05). Mother’s family income and parity and child’s health status were also associated with mother’s quality of life. Compared to the other mothers, mothers who breastfed for six moths or longer had better HRQOL. However, the limitation that this study was cross-sectional in design should be considered and further studies are needed. [ABSTRACT FROM AUTHOR]
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- 2007
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15. Subnanometer Gold Clusters Adhere to Lipid A for Protection against Endotoxin-Induced Sepsis.
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Fang-Hsuean Liao, Te-Haw Wu, Yu-Ting Huang, Wen-Jye Lin, Chun-Jen Su, U-Ser Jeng, Shu-Chen Kuo, and Shu-Yi Lin
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GOLD clusters , *LIPIDS , *ENDOTOXINS , *SEPSIS , *GRAM-negative bacteria , *DISEASE progression - Abstract
Endotoxicity originating from a dangerous debris (i.e., lipopolysaccharide, LPS) of Gram-negative bacteria is a challenging clinical problem, but no drugs or therapeutic strategies that can successfully address this issue have been identified yet. In this study, we report a subnanometer gold cluster that can efficiently block endotoxin activity to protect against sepsis. The endotoxin blocker consists of a gold nanocluster that serves as a flakelike substrate and a coating of short alkyl motifs that act as an adhesive to dock with LPS by compacting the intramolecular hydrocarbon chain–chain distance (d-spacing) of lipid A, an endotoxicity active site that can cause overwhelming cytokine induction resulting in sepsis progression. Direct evidence showed the d-spacing values of lipid A to be decreased from 4.19 Å to either 3.85 or 3.54 Å, indicating more dense packing densities in the presence of subnanometer gold clusters. In terms of biological relevance, the concentrations of key pro-inflammatory NF-κB-dependent cytokines, including plasma TNF-α, IL-6, and IL-1β, and CXC chemokines, in LPS-challenged mice showed a noticeable decrease. More importantly, we demonstrated that the treatment of antiendotoxin gold nanoclusters significantly prolonged the survival time in LPS-induced septic mice. The ultrasmall gold nanoclusters could target lipid A of LPS to deactivate endotoxicity by compacting its packing density, which might constitute a potential therapeutic strategy for the early prevention of sepsis caused by Gram-negative bacterial infection. [ABSTRACT FROM AUTHOR]
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- 2018
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16. Long-Term Outcomes in Critically Ill Septic Patients Who Survived Cardiopulmonary Resuscitation.
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Pei-Wen Chao, Hsi Chu, Yung-Tai Chen, Yu-Ning Shih, Shu-Chen Kuo, Szu-Yuan Li, Shuo-Ming Ou, Chia-Jen Shih, Chao, Pei-Wen, Chu, Hsi, Chen, Yung-Tai, Shih, Yu-Ning, Kuo, Shu-Chen, Li, Szu-Yuan, Ou, Shuo-Ming, and Shih, Chia-Jen
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CRITICALLY ill patient care , *SEPSIS , *CARDIOPULMONARY resuscitation , *COHORT analysis , *MORTALITY , *PATIENTS , *THERAPEUTICS , *AGE distribution , *CARDIAC arrest , *CATASTROPHIC illness , *DATABASES , *PROGNOSIS , *SEX distribution , *SURVIVAL , *TIME , *COMORBIDITY , *RETROSPECTIVE studies , *HOSPITAL mortality , *DISEASE complications - Abstract
Objective: To evaluate the long-term survival rate of critically ill sepsis survivors following cardiopulmonary resuscitation on a national scale.Design: Retrospective and observational cohort study.Setting: Data were extracted from Taiwan's National Health Insurance Research Database.Patients: A total of 272,897 ICU patients with sepsis were identified during 2000-2010. Patients who survived to hospital discharge were enrolled. Post-discharge survival outcomes of ICU sepsis survivors who received cardiopulmonary resuscitation were compared with those of patients who did not experience cardiopulmonary arrest using propensity score matching with a 1:1 ratio.Intervention: None.Measurements and Main Results: Only 7% (n = 3,207) of sepsis patients who received cardiopulmonary resuscitation survived to discharge. The overall 1-, 2-, and 5-year postdischarge survival rates following cardiopulmonary resuscitation were 28%, 23%, and 14%, respectively. Compared with sepsis survivors without cardiopulmonary arrest, sepsis survivors who received cardiopulmonary resuscitation had a greater risk of all-cause mortality after discharge (hazard ratio, 1.38; 95% CI, 1.34-1.46). This difference in mortality risk diminished after 2 years (hazard ratio, 1.11; 95% CI, 0.96-1.28). Multivariable analysis showed that independent risk factors for long-term mortality following cardiopulmonary resuscitation were male sex, older age, receipt of care in a nonmedical center, higher Charlson Comorbidity Index score, chronic kidney disease, cancer, respiratory infection, vasoactive agent use, and receipt of renal replacement therapy during ICU stay.Conclusion: The long-term outcome was worse in ICU survivors of sepsis who received in-hospital cardiopulmonary resuscitation than in those who did not, but this increased risk of mortality diminished at 2 years after discharge. [ABSTRACT FROM AUTHOR]- Published
- 2016
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17. Risks of Death and Stroke in Patients Undergoing Hemodialysis With New-Onset Atrial Fibrillation: A Competing-Risk Analysis of a Nationwide Cohort.
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Chia-Jen Shih, Shuo-Ming Ou, Pei-Wen Chao, Shu-Chen Kuo, Yi-Jung Lee, Chih-Yu Yang, Der-Cherng Tarng, Chih-Ching Lin, Po-Hsun Huang, Szu-Yuan Li, Yung-Tai Chen, Shih, Chia-Jen, Ou, Shuo-Ming, Chao, Pei-Wen, Kuo, Shu-Chen, Lee, Yi-Jung, Yang, Chih-Yu, Tarng, Der-Cherng, Lin, Chih-Ching, and Huang, Po-Hsun
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SUDDEN death , *ATRIAL fibrillation , *ANTICOAGULANTS , *WARFARIN , *HEMODIALYSIS complications , *PATIENTS , *ATRIAL fibrillation diagnosis , *STROKE diagnosis , *STROKE-related mortality , *HEMODIALYSIS , *LONGITUDINAL method , *PUBLIC health surveillance , *STATISTICS , *STROKE , *RETROSPECTIVE studies , *HOSPITAL mortality ,STROKE risk factors - Abstract
Background: Whether oral anticoagulant use should be considered in patients undergoing hemodialysis with atrial fibrillation (AF) remains controversial because of the uncertainty regarding risk-benefit assessments. The purpose of this study was to investigate the risk of ischemic stroke in patients undergoing hemodialysis with new-onset AF, in comparison with those without arrhythmia.Methods and Results: This nationwide, population-based, propensity score-matched cohort study used data from Taiwan's National Health Insurance Research Database during 1998 to 2011 for patients on hemodialysis with new-onset nonvalvular AF and matched subjects without arrhythmia. The clinical end points were ischemic stroke (fatal or nonfatal), all-cause death, and other serious adverse cardiovascular events. In comparison with the matched cohort, patients with AF (n=6772) had higher risks of ischemic stroke (adjusted hazard ratio [aHR], 1.27; 95% confidence interval [CI], 1.13-1.43), all-cause death (aHR, 1.59; 95% CI, 1.52-1.67), in-hospital cardiovascular death (aHR, 1.83; 95% CI, 1.71-1.94), myocardial infarction (aHR, 1.33; 95% CI, 1.17-1.51), and hospitalization for heart failure (aHR, 1.90; 95% CI, 1.76-2.05). After considering in-hospital death as a competing risk, AF significantly increased the risk of heart failure (HR, 1.56; 95% CI, 1.45-1.68), but not those of ischemic stroke and myocardial infarction. Additionally, the predictive value of the CHA2DS2-VASc score for ischemic stroke was diminished in the competing-risk model.Conclusions: The risk of stroke was only modestly higher in patients undergoing hemodialysis with new-onset AF than in those without AF, and it became insignificant when accounting for the competing risk of in-hospital death. [ABSTRACT FROM AUTHOR]- Published
- 2016
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18. Effects on Clinical Outcomes of Adding Dipeptidyl Peptidase-4 Inhibitors Versus Sulfonylureas to Metformin Therapy in Patients With Type 2 Diabetes Mellitus.
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Shuo-Ming Ou, Chia-Jen Shih, Pei-Wen Chao, Hsi Chu, Shu-Chen Kuo, Yi-Jung Lee, Shuu-Jiun Wang, Chih-Yu Yang, Chih-Ching Lin, Tzeng-Ji Chen, Der-Cherng Tarng, Szu-Yuan Li, Yung-Tai Chen, Ou, Shuo-Ming, Shih, Chia-Jen, Chao, Pei-Wen, Chu, Hsi, Kuo, Shu-Chen, Lee, Yi-Jung, and Wang, Shuu-Jiun
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TYPE 2 diabetes treatment , *CD26 antigen , *GLYCEMIC control , *SULFONYLUREAS , *METFORMIN , *HEALTH outcome assessment , *THERAPEUTIC use of protease inhibitors , *TYPE 2 diabetes complications , *CARDIOVASCULAR diseases , *COMBINATION drug therapy , *CAUSES of death , *HEART failure , *HYPOGLYCEMIA , *HYPOGLYCEMIC agents , *MYOCARDIAL infarction , *TYPE 2 diabetes , *PROBABILITY theory , *STROKE , *PROTEASE inhibitors , *TREATMENT effectiveness , *THERAPEUTICS - Abstract
Background: Recent studies concluded that dipeptidyl peptidase-4 (DPP-4) inhibitors provide glycemic control but also raised concerns about the risk for heart failure in patients with type 2 diabetes mellitus (T2DM). However, large-scale studies of the effects on cardiovascular outcomes of adding DPP-4 inhibitors versus sulfonylureas to metformin therapy remain scarce.Objective: To compare clinical outcomes of adding DPP-4 inhibitors versus sulfonylureas to metformin therapy in patients with T2DM.Design: Nationwide study using Taiwan's National Health Insurance Research Database.Setting: Taiwan.Patients: All patients with T2DM aged 20 years or older between 2009 and 2012. A total of 10,089 propensity score-matched pairs of DPP-4 inhibitor users and sulfonylurea users were examined.Measurements: Cox models with exposure to sulfonylureas and DPP-4 inhibitors included as time-varying covariates were used to compare outcomes. The following outcomes were considered: all-cause mortality, major adverse cardiovascular events (MACEs) (including ischemic stroke and myocardial infarction), hospitalization for heart failure, and hypoglycemia. Patients were followed until death or 31 December 2013.Results: DPP-4 inhibitors were associated with lower risks for all-cause death (hazard ratio [HR], 0.63 [95% CI, 0.55 to 0.72]), MACEs (HR, 0.68 [CI, 0.55 to 0.83]), ischemic stroke (HR, 0.64 [CI, 0.51 to 0.81]), and hypoglycemia (HR, 0.43 [CI, 0.33 to 0.56]) compared with sulfonylureas as add-on therapy to metformin but had no effect on risks for myocardial infarction and hospitalization for heart failure.Limitation: Observational study design.Conclusion: Compared with sulfonylureas, DPP-4 inhibitors were associated with lower risks for all-cause death, MACEs, ischemic stroke, and hypoglycemia when used as add-ons to metformin therapy.Primary Funding Source: None. [ABSTRACT FROM AUTHOR]- Published
- 2015
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19. A retrospective study of the incidence, clinical characteristics, identification, and antimicrobial susceptibility of bacteremic isolates of Acinetobacter ursingii.
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Chun-Hsiang Chiu, Yi-Tzu Lee, Yung-Chih Wang, Ti Yin, Shu-Chen Kuo, Ya-Sung Yang, Te-Li Chen, Jung-Chung Lin, Fu-Der Wang, Chang-Phone Fung, Chiu, Chun-Hsiang, Lee, Yi-Tzu, Wang, Yung-Chih, Yin, Ti, Kuo, Shu-Chen, Yang, Ya-Sung, Chen, Te-Li, Lin, Jung-Chung, Wang, Fu-Der, and Fung, Chang-Phone
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ANTI-infective agents , *ACINETOBACTER infections , *ANTIBIOTICS , *APACHE (Disease classification system) , *BACTEREMIA , *MICROBIAL sensitivity tests , *PULSED-field gel electrophoresis , *QUINOLONE antibacterial agents , *RNA , *PHENOTYPES , *DISEASE incidence , *RETROSPECTIVE studies , *CEFTRIAXONE , *CEFTAZIDIME , *GRAM-negative aerobic bacteria , *GENOTYPES , *IMIPENEM , *PHARMACODYNAMICS - Abstract
Background: Acinetobacter ursingii bacteremia is rarely reported. We investigated the incidence and clinical features of A. ursingii bacteremia, performance of the identification system, and antimicrobial susceptibility of the isolates. Acinetobacter ursingii bacteremia patients were compared with A. baumannii bacteremia patients.Methods: In this 9-year retrospective study, A. ursingii was identified using 16S rRNA and 16S-23S rRNA internal transcribed spacer sequence analysis. The performances of the Vitek 2, Phoenix, and matrix-assisted laser desorption ionization time-of-flight (MALDI-TOF) mass spectrometer systems for identifying isolates were tested. Pulsed-field gel electrophoresis (PFGE) was used to determine the clonality of the isolates. The minimal inhibitory concentrations of the antimicrobials were determined using the Vitek 2 system.Results: Nineteen patients were identified. Acinetobacter ursingii was noted in 1.5-5.2 % of all Acinetobacter bacteremia cases. For the PFGE analysis, two isolates had smeared DNA, two had 93 % similarity, and 15 had similarity <80 %. Among 16 patients with complete medical records, 10 (62.5 %) had no identifiable source of A. ursingii bacteremia. Most patients (n = 12) had underlying malignant disease. Patients with A. ursingii bacteremia had lower Acute Physiology and Chronic Health Evaluation II scores than those with A. baumannii bacteremia (median [interquartile range], 17.1 [10.0-24.7] vs. 24.9 [14.6-35.1]). Patients with A. ursingii bacteremia were also less likely admitted to the intensive care unit than patients with A. baumannii bacteremia (18.8 % vs 63.5 %, p value < 0.01). About half of the patients with A. ursingii (50.8 %) and A. baumannii bacteremia (62.5 %) had received inappropriate antimicrobial therapy within 48 h after bacteremia onset. However, patients with A. ursingii bacteremia had significantly lower 14-day (6.25 % vs 29.8 %, p value = 0.04) and 28-day mortality rates (6.25 % vs 37.3 %, p value = 0.02) than patients with A. baumannii bacteremia. Nine isolates (47.4 %) were correctly identified as A. ursingii and the other 10 isolates (52.6 %) were incorrectly identified as A. lwoffii by the Vitek 2 system. The Phoenix system incorrectly identified all 19 isolates. The MALDI-TOF mass spectrometer system correctly identified all 19 isolates. All the A. ursingii isolates were resistant or showed intermediate susceptibility to ceftriaxone and ceftazidime, but were susceptible to levofloxacin and imipenem.Conclusions: Acinetobacter ursingii is a rare pathogen that mostly caused primary bacteremia in patients with malignancies. Patients with A. ursingii bacteremia had significantly lower disease severity and mortality rates than patients with A. baumannii bacteremia. [ABSTRACT FROM AUTHOR]- Published
- 2015
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20. Effective transfer of a 47 kb NDM-1-positive plasmid among Acinetobacter species.
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Tzu-Wen Huang, Tsai-Ling Lauderdale, Tsai-Lien Liao, Ming-Chia Hsu, Feng-Yee Chang, Shan-Chwen Chang, Wei Xin Khong, Oon Tek Ng, Ying-Tsong Chen, Shu-Chen Kuo, Te-Li Chen, Jung-Jung Mun, Shih-Feng Tsai, Huang, Tzu-Wen, Lauderdale, Tsai-Ling, Liao, Tsai-Lien, Hsu, Ming-Chia, Chang, Feng-Yee, Chang, Shan-Chwen, and Khong, Wei Xin
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ACINETOBACTER infections , *ANTIBIOTICS , *CROSS infection , *DNA , *DRUG resistance in microorganisms , *GENES , *GENETICS , *GENOMES , *HYDROLASES , *MICROBIAL sensitivity tests , *GRAM-negative aerobic bacteria , *PHARMACODYNAMICS - Abstract
Objectives: To investigate the link between two NDM-1-positive Acinetobacter isolates from the same hospital, the plasmid profiles of the isolates were examined. These two isolates were found from a surveillance programme within 3 months from two patients without obvious physical contact or hospitalization time overlap.Methods: Antimicrobial susceptibility tests, genome sequencing of both isolates and plasmid transfer experiments were performed. A comparative study of similar plasmids was performed using BLAST analysis.Results: The antimicrobial susceptibility of the isolates (Acinetobacter soli M131 and Acinetobacter pittii MS32) and their Escherichia coli transconjugants revealed a conjugative plasmid that carried the carbapenem resistance determinant. Eleven plasmids were observed in M131 and three in MS32. Each isolate shared an identical plasmid that carried the blaNDM-1 gene. This 47 271 bp plasmid harbours a conserved blaNDM-1-containing region that is flanked by ISAba125 and ISAba11 elements, and also contains a Ti-type conjugative operon. The plasmid is nearly identical in sequence to those of Acinetobacter isolates from China. In contrast to the mobilization of the blaNDM-1 sequence in Enterobacteriaceae, which is mainly by transposition, this plasmid moves as a whole among Acinetobacter species. Consistently, this plasmid was found to transfer effectively by in vitro conjugation to several Acinetobacter species.Conclusions: The clinical and laboratory findings suggest that Acinetobacter species may serve as a reservoir of this blaNDM-1 plasmid. Our study demonstrates the potential of applying genome sequencing to the surveillance of antimicrobial-resistant bacteria. [ABSTRACT FROM AUTHOR]- Published
- 2015
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21. Long-Term Clinical Outcome of Major Adverse Cardiac Events in Survivors of Infective Endocarditis.
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Chia-Jen Shih, Hsi Chu, Pei-Wen Chao, Yi-Jung Lee, Shu-Chen Kuo, Szu-Yuan Li, Der-Cherng Tarng, Chih-Yu Yang, Wu-Chang Yang, Shuo-Ming Ou, and Yung-Tai Chen
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INFECTIVE endocarditis , *CARDIAC infections , *HEART failure , *MYOCARDIAL infarction , *STROKE ,HEART disease research - Abstract
Background--Substantial infective endocarditis (IE)-related morbidity and mortality may occur even after successful treatment. However, no previous study has explored long-term hard end points (ie, stroke, myocardial infarction, heart failure, cardiovascular death) in addition to all-cause mortality in IE survivors. Methods and Results--A nationwide population-based cohort study was conducted among IE survivors identified with the use of the Taiwan National Health Insurance Research Database during 2000 to 2009. IE survivors were defined as those who survived after discharge from first hospitalization with a diagnosis of IE. A total of 10 116 IE survivors were identified. IE survivors were matched to control subjects without IE at a 1:1 ratio through the use of propensity scores. The primary outcomes were stroke, myocardial infarction, readmission for heart failure, and sudden cardiac death or ventricular arrhythmia. The secondary outcomes were repeat IE and all-cause mortality. Compared with the matched cohort, IE survivors had higher risks of ischemic stroke (adjusted hazard ratio [aHR], 1.59; 95% confidence interval [CI], 1.40-1.80), hemorrhagic stroke (aHR, 2.37; 95% CI, 1.90-2.96), myocardial infarction (aHR, 1.44; 95% CI, 1.17-1.79), readmission for heart failure (aHR, 2.24; 95% CI, 2.05-2.43), sudden death or ventricular arrhythmia (aHR, 1.69; 95% CI, 1.44-1.98), and all-cause death (aHR, 2.27; 95% CI, 2.14-2.40). Risk factors for repeat IE were older age, male sex, drug abuse, and valvular replacement after an initial episode of IE. Conclusion--Despite treatment, the risk of long-term major adverse cardiac events was substantially increased in IE survivors. [ABSTRACT FROM AUTHOR]
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- 2014
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22. The impact of dialysis therapy on older patients with advanced chronic kidney disease: a nationwide population-based study.
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Chia-Jen Shih, Yung-Tai Chen, Shuo-Ming Ou, Wu-Chang Yang, Shu-Chen Kuo, Der-Cherng Tarng, and for the Taiwan Geriatric Kidney Disease Research (TGKD) Group
- Abstract
Background: Older patients with advanced chronic kidney disease (CKD) face the decision of whether to undergo dialysis. Currently available data on this issue are limited because they were generated by small, short-term studies with statistical drawbacks. Further research is urgently needed to provide objective information for dialysis decision making in older patients with advanced CKD. Methods: This nationwide population-based cohort study was conducted using Taiwanfs National Health Insurance Research Database. Data from 2000 to 2010 were extracted. A total of 8,341 patients ≥70 years old with advanced CKD and serum creatinine levels >6 mg/dl, who had been treated with erythropoiesis-stimulating agents were included. Cox proportional hazard models in which initiation of chronic dialysis was defined as the time-dependent covariate were used to calculate adjusted hazard ratios for mortality. The endpoint was all-cause mortality. Results: During a median follow-up period of 2.7 years, 6,292 (75.4%) older patients chose dialysis therapy and 2,049 (24.6%) received conservative care. Dialysis was initiated to treat kidney failure a median of 6.4 months after enrollment. Dialysis was associated with a 1.4-fold increased risk of mortality compared with conservative care (adjusted hazard ratio 1.39, 95% confidence interval 1.30 to 1.49). In subgroup analyses, the risk of mortality remained consistently increased, independent of age, sex and comorbidities. Conclusions: In older patients, dialysis may be associated with increased mortality risk and healthcare cost compared with conservative care. For patients who are ≥70 years old with advanced CKD, decision making about whether to undergo dialysis should be weighted by consideration of risks and benefits. [ABSTRACT FROM AUTHOR]
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- 2014
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23. Comparison between bacteremia caused by carbapenem resistant Acinetobacter baumannii and Acinetobacter nosocomialis.
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Ya-Sung Yang, Yi-Tzu Lee, Wen-Chiuan Tsai, Shu-Chen Kuo, Jun-Ren Sun, Chin-Hsuan Yang, Te-Li Chen, Jung-Chung Lin, Chang-Phone Fung, and Feng-Yee Chang
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BACTEREMIA , *ACINETOBACTER baumannii , *COMPARATIVE studies , *DRUG resistance in bacteria , *CARBAPENEMS , *NOSOCOMIAL infections , *DISEASE risk factors - Abstract
Background: It is unknown whether there are differences between bacteremia caused by carbapenem resistant Acinetobacter baumannii (CRAB) and carbapenem resistant Acinetobacter nosocomialis (CRAN). This study aims to investigate the differences, especially in clinical outcomes, between patients with bacteremia caused by CRAB or CRAN. Methods: This is a 9-year retrospective study comparing the clinical manifestations, antimicrobial susceptibilities, and clinical outcomes of 71 patients with CRAB bacteremia and 64 patients with CRAN bacteremia. Results: Patients with CRAB were more likely to have hematologic malignancies and presented with more shock episodes than those with CRAN. CRAB isolates were more resistant to various classes of antimicrobials except colistin, and therefore the patients with CRAB bacteremia were more likely to receive inappropriate antimicrobial therapies. The 14-day mortality was significantly higher in patients with CRAB (40.8% vs. 14.1%; p = 0.001), and in this study, acquisition of CRAB was identified as an independent risk factor for mortality (odds ratio = 4.003; 95% confidence interval = 1.566-10.231; p = 0.004). Conclusions: CRAB and CRAN bacteremia are different in clinical characteristics, antimicrobial susceptibilities, and mortality rates. Genomic species identification should be performed in the study of carbapenem resistant Acinetobacters to better delineate the role of different species. [ABSTRACT FROM AUTHOR]
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- 2013
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24. Clonal Expansion of Both Modern and Ancient Genotypes of Mycobacterium tuberculosis in Southern Taiwan.
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Jia-Ru Chang, Yih-Yuan Chen, Tsi-Shu Huang, Wei-Feng Huang, Shu-Chen Kuo, Fan-Chen Tseng, Ih-Jen Su, Chien-Hsing Lin, Yao-Shen Chen, Jun-Ren Sun, Tzong-Shi Chiueh, Horng-Yunn Dou, and Neyrolles, Olivier
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MYCOBACTERIUM tuberculosis , *GENETIC polymorphisms , *MASS spectrometry , *TUBERCULOSIS - Abstract
We present the first comprehensive analysis of Mycobacterium tuberculosis isolates circulating in the Kaohsiung region of southern Taiwan. The major spoligotypes found in the 224 isolates studied were Beijing lineages (n = 97; 43.3%), EAI lineages (n = 72; 32.1%) and Haarlem lineages (n = 18; 8.0%). By 24 MIRU-VNTR typing, 174 patterns were identified, including 24 clusters of 74 isolates and 150 unique patterns. The combination of spoligotyping and 12-MIRU- VNTR revealed that 129 (57.6%) of the 224 isolates were clustered in 18 genotypes. Moreover, 63.6% (7/11) of infected persons younger than 30 years had a Beijing strain, which could suggest recent spread among younger persons by this family of TB strains in Kaohsiung. Among the 94 Beijing family (SIT1, SIT250 and SIT1674) isolates further analyzed for SNPs by mass spectrometry, the most frequent strain found was ST10 (n = 49; 52%), followed by ST22 (n = 17; 18%) and ST19 (n = 11; 12%). Among the EAI-Manila family isolates analyzed by region deletion-based subtyping, the most frequent strain found was RD type 1 (n = 63; 87.5%), followed by RD type 2 (n = 9; 12.5%). In our previous study, the proportion of modern Beijing strains (52.5%) in northern Taiwan was significantly higher than the proportion of EAI strains (11%). In contrast, in the present study, EAI strains comprised up to 32% of Beijing strains in southern Taiwan. In conclusion, both 'modern' (Beijing) and 'ancient' (EAI) M. tuberculosis strains are prevalent in the Kaohsiung region, perhaps suggesting that both strains are somehow more adapted to southern Taiwan. It will be interesting to investigate the dynamics of the lineage composition by different selection pressures. [ABSTRACT FROM AUTHOR]
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- 2012
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25. Genetic Diversity of the Mycobacterium tuberculosis Beijing Family Based on SNP and VNTR Typing Profiles in Asian Countries.
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Yih-Yuan Chen, Jia-Ru Chang, Wei-Feng Huang, Shu-Chen Kuo, Ih-Jen Su, Jun-Ren Sun, Tzong-Shi Chiueh, Tsi-Shu Huang, Yao-Shen Chen, and Horng-Yunn Dou
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MYCOBACTERIAL diseases , *TUBERCULOSIS , *LUNG diseases - Abstract
The Mycobacterium tuberculosis (MTB) Beijing strain is highly virulent, drug resistant, and endemic over Asia. To explore the genetic diversity of this family in several different regions of eastern Asia, 338 Beijing strains collected in Taiwan (Republic of China) were analyzed by mycobacterial interspersed repetitive unit-variable number tandem repeat (MIRU-VNTR) typing and compared with published MIRU-VNTR profiles and by the Hunter-Gaston diversity index (HGDI) of Beijing strains from Japan and South Korea. The results revealed that VNTR2163b (HGDI.0.6) and five other loci (VNTR424, VNTR4052, VNTR1955, VNTR4156 and VNTR 2996; HGDI.0.3) could be used to discriminate the Beijing strains in a given geographic region. Analysis based on the number of VNTR repeats showed three VNTRs (VNTR424, 3192, and 1955) to be phylogenetically informative loci. In addition, to determine the geographic variation of sequence types in MTB populations, we also compared sequence type (ST) data of our strains with published ST profiles of Beijing strains from Japan and Thailand. ST10, ST22, and ST19 were found to be prevalent in Taiwan (82%) and Thailand (92%). Furthermore, classification of Beijing sublineages as ancient or modern in Taiwan was found to depend on the repeat number of VNTR424. Finally, phylogenetic relationships of MTB isolates in Taiwan, South Korea, and Japan were revealed by a minimum spanning tree based on MIRUVNTR genotyping. In this topology, the MIRU-VNTR genotypes of the respective clusters were tightly correlated to other genotypic characters. These results are consistent with the hypothesis that clonal evolution of these MTB lineages has occurred. [ABSTRACT FROM AUTHOR]
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- 2012
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