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APSIC guide for prevention of catheter associated urinary tract infections (CAUTIs). Antimicrob Resist Infect Control 2023; 12:52. [PMID: 37254192 DOI: 10.1186/s13756-023-01254-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/17/2022] [Accepted: 05/24/2023] [Indexed: 06/01/2023] Open
Abstract
BACKGROUND The Asia Pacific Society of Infection Control launched the APSIC guide for prevention of catheter associated urinary tract infections in July 2022. It aims to highlight practical recommendations in a concise format designed to assist healthcare facilities in the Asia Pacific region to achieve high standards in infection prevention and control practices during the management and care of patients with a urinary catheter. METHODS The guidelines were developed by an appointed workgroup comprising experts in the Asia Pacific region, following reviews of previously published guidelines and recommendations relevant to each section. RESULTS It recommends that healthcare institutions have a catheter associated urinary tract infection prevention program that includes surveillance and the use of the insertion and maintenance bundles. Implementation of the bundles is best done using a quality improvement approach with a multidisciplinary team. CONCLUSIONS Healthcare facilities should aim for excellence in care of patients with urinary catheters. It is recommended that healthcare facilities have a catheter associated urinary tract infection prevention program as part of their Infection Prevention and Control program.
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International Nosocomial Infection Control Consortium (INICC) report, data summary of 45 countries for 2012-2017: Device-associated module. Am J Infect Control 2020; 48:423-432. [PMID: 31676155 DOI: 10.1016/j.ajic.2019.08.023] [Citation(s) in RCA: 63] [Impact Index Per Article: 15.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/04/2019] [Revised: 08/20/2019] [Accepted: 08/21/2019] [Indexed: 12/18/2022]
Abstract
BACKGROUND We report the results of International Nosocomial Infection Control Consortium (INICC) surveillance study from January 2012 to December 2017 in 523 intensive care units (ICUs) in 45 countries from Latin America, Europe, Eastern Mediterranean, Southeast Asia, and Western Pacific. METHODS During the 6-year study period, prospective data from 532,483 ICU patients hospitalized in 242 hospitals, for an aggregate of 2,197,304 patient days, were collected through the INICC Surveillance Online System (ISOS). The Centers for Disease Control and Prevention-National Healthcare Safety Network (CDC-NHSN) definitions for device-associated health care-associated infection (DA-HAI) were applied. RESULTS Although device use in INICC ICUs was similar to that reported from CDC-NHSN ICUs, DA-HAI rates were higher in the INICC ICUs: in the medical-surgical ICUs, the pooled central line-associated bloodstream infection rate was higher (5.05 vs 0.8 per 1,000 central line-days); the ventilator-associated pneumonia rate was also higher (14.1 vs 0.9 per 1,000 ventilator-days,), as well as the rate of catheter-associated urinary tract infection (5.1 vs 1.7 per 1,000 catheter-days). From blood cultures samples, frequencies of resistance, such as of Pseudomonas aeruginosa to piperacillin-tazobactam (33.0% vs 18.3%), were also higher. CONCLUSIONS Despite a significant trend toward the reduction in INICC ICUs, DA-HAI rates are still much higher compared with CDC-NHSN's ICUs representing the developed world. It is INICC's main goal to provide basic and cost-effective resources, through the INICC Surveillance Online System to tackle the burden of DA-HAIs effectively.
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The Burden of Healthcare-Associated Infections in Southeast Asia: A Systematic Literature Review and Meta-analysis. Clin Infect Dis 2015; 60:1690-9. [DOI: 10.1093/cid/civ095] [Citation(s) in RCA: 112] [Impact Index Per Article: 12.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/04/2014] [Accepted: 02/01/2015] [Indexed: 11/13/2022] Open
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Quality of life assessment among patients living with HIV/AIDS at a tertiary care hospital in Thailand. THE SOUTHEAST ASIAN JOURNAL OF TROPICAL MEDICINE AND PUBLIC HEALTH 2014; 45:834-842. [PMID: 25427351] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 06/04/2023]
Abstract
HIV/AIDS remains one of the most serious public health problems in Thailand. This study aimed to assess the health-related quality of life (HRQOL) and its related factors among people living with HIV/AIDS (PLWHA) in Thailand. A cross-sectional study was conducted with 259 patients at a tertiary care hospital. HRQOL was assessed using the Thai version of the Medical Outcomes Study HIV Health Survey (MOS-HIV) questionnaire. Socio-demographics and clinical status were measured using a self-administered questionnaire. Multiple linear regression models were used to explore associations between socio-demographic status, clinical status, and HRQL. Multiple linear regression analyses showed that employment status was strongly related to better overall physical and mental health summary scores (PHS, MHS). In addition, patients with disclosure of HIV status, aged over 50 years, and having at least a rating of good health in the nurses' opinion were the independent positive predictive factors for overall PHS. While being on antiretroviral therapy (ART) and good compliance with ART were positive predictive factors for overall MHS. Improving and strengthening quality of life among PLWHAs are important goals for HIV/AIDS services. Regular assessment of HRQL can provide potential information for intervention to improve quality of life.
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Four Thai Patients With Chronic Diarrhea, Malabsorption, and Weight Loss. Clin Infect Dis 2013. [DOI: 10.1093/cid/cis1200] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
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Post-flood measurement of fungal bio-aerosol in a resource-limited hospital: can the settle plate method be used? J Hosp Infect 2013; 83:150-2. [PMID: 23313087 DOI: 10.1016/j.jhin.2012.11.012] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/10/2012] [Accepted: 11/11/2012] [Indexed: 10/27/2022]
Abstract
The performance of the settle plate method (SPM) compared with the microbiological air sampler method (MAS) for post-flood fungal bio-aerosol (FB) measurement was evaluated in a Thai hospital. Compared with closed-ventilation units, open-ventilation units had significantly higher median FB level by SPM on days 3 and 5 of incubation (270 vs 90 colony-forming units (cfu)/m(3) and 420 vs 180 cfu/m(3), respectively). Strong correlations between SPM and MAS results on day 3 (r = 1.60, P < 0.001) and day 5 (r = 1.49, P = 0.002) of incubation suggested the utility of SPM for post-flood FB measurement in open-ventilation units in resource-limited situations.
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Fumigation With a Combined Quaternary Ammonium Compound and 2 Alcohols After Detection of Bacterial and Fungal Air Bioburden. Clin Infect Dis 2012; 56:1060-2. [DOI: 10.1093/cid/cis1033] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
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8
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Screening for Carbapenem-Resistant Acinetobacter baumannii Colonization Sites: An Implication for Combination of Horizontal and Vertical Approaches. Clin Infect Dis 2012; 56:1057-9. [DOI: 10.1093/cid/cis1024] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
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9
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Termination of an Extreme-Drug Resistant-Acinetobacter baumannii Outbreak in a Hospital After Flooding: Lessons Learned. Clin Infect Dis 2012; 55:1589-90. [DOI: 10.1093/cid/cis726] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
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10
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Resistance to agents for MRSA decolonization and its clinical implications. Int J Infect Dis 2012. [DOI: 10.1016/j.ijid.2012.05.134] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022] Open
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Isoniazid preventive therapy and 4-year incidence of pulmonary tuberculosis among HIV-infected Thai patients. Int J Tuberc Lung Dis 2012; 16:336-41. [PMID: 22230143 DOI: 10.5588/ijtld.11.0402] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022] Open
Abstract
SETTING Human immunodeficiency virus (HIV) clinics at two Thai tertiary care medical centres. OBJECTIVES To evaluate the efficacy of tuberculin skin test (TST) guided isoniazid preventive therapy (IPT) in combination with antiretroviral therapy (ART) in the prevention of tuberculosis (TB). DESIGN A 4-year prospective comparative study of patients at two HIV clinics: one performed TST at enrolment and, if positive, prescribed IPT (IPT group), while the other did not perform TST (non-IPT group). RESULTS There were 200 patients included in each group. Baseline characteristics and drop-out rates were similar in both groups. The incidence of pulmonary TB over 4 years was not significantly different between the IPT and non-IPT groups (0.80 cases vs. 1.76 per 100 person-years [py], P = 0.13). However, the incidence of pulmonary TB in the non-IPT group was significantly higher during the first 6 months (8.60 vs. 0 cases/100 py, P = 0.01) and among patients with initial CD4 < 200 cells/l (9.41 vs. 0 cases/100 py, P = 0.02). The survival analyses demonstrated a protective effect of IPT (x(2) = 3.66, P = 0.04) for early TB. CONCLUSIONS Benefit of IPT plus ART was evident only in the first 6 months of care. These findings suggest that TST-guided IPT should be routinely provided for HIV-infected patients after initial entry into medical care.
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Socioeconomic impact on device-associated infections in limited-resource neonatal intensive care units: findings of the INICC. Infection 2011; 39:439-50. [PMID: 21732120 DOI: 10.1007/s15010-011-0136-2] [Citation(s) in RCA: 60] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/30/2010] [Accepted: 06/09/2011] [Indexed: 12/22/2022]
Abstract
PURPOSE To evaluate the impact of country socioeconomic status and hospital type on device-associated healthcare-associated infections (DA-HAIs) in neonatal intensive care units (NICUs). METHODS Data were collected on DA-HAIs from September 2003 to February 2010 on 13,251 patients in 30 NICUs in 15 countries. DA-HAIs were defined using criteria formulated by the Centers for Disease Control and Prevention. Country socioeconomic status was defined using World Bank criteria. RESULTS Central-line-associated bloodstream infection (CLA-BSI) rates in NICU patients were significantly lower in private than academic hospitals (10.8 vs. 14.3 CLA-BSI per 1,000 catheter-days; p < 0.03), but not different in public and academic hospitals (14.6 vs. 14.3 CLA-BSI per 1,000 catheter-days; p = 0.86). NICU patient CLA-BSI rates were significantly higher in low-income countries than in lower-middle-income countries or upper-middle-income countries [37.0 vs. 11.9 (p < 0.02) vs. 17.6 (p < 0.05) CLA-BSIs per 1,000 catheter-days, respectively]. Ventilator-associated-pneumonia (VAP) rates in NICU patients were significantly higher in academic hospitals than in private or public hospitals [13.2 vs. 2.4 (p < 0.001) vs. 4.9 (p < 0.001) VAPs per 1,000 ventilator days, respectively]. Lower-middle-income countries had significantly higher VAP rates than low-income countries (11.8 vs. 3.8 per 1,000 ventilator-days; p < 0.001), but VAP rates were not different in low-income countries and upper-middle-income countries (3.8 vs. 6.7 per 1,000 ventilator-days; p = 0.57). When examined by hospital type, overall crude mortality for NICU patients without DA-HAIs was significantly higher in academic and public hospitals than in private hospitals (5.8 vs. 12.5%; p < 0.001). In contrast, NICU patient mortality among those with DA-HAIs was not different regardless of hospital type or country socioeconomic level. CONCLUSIONS Hospital type and country socioeconomic level influence DA-HAI rates and overall mortality in developing countries.
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MESH Headings
- Catheter-Related Infections/epidemiology
- Catheter-Related Infections/microbiology
- Catheter-Related Infections/mortality
- Catheterization, Central Venous/adverse effects
- Catheterization, Central Venous/instrumentation
- Catheterization, Central Venous/mortality
- Cross Infection/blood
- Cross Infection/epidemiology
- Cross Infection/microbiology
- Cross Infection/mortality
- Developing Countries
- Equipment Contamination
- Hospitals, Private/classification
- Hospitals, Public/classification
- Hospitals, Teaching/classification
- Humans
- Infant, Newborn
- Intensive Care Units, Neonatal
- Pneumonia, Ventilator-Associated/epidemiology
- Pneumonia, Ventilator-Associated/mortality
- Prospective Studies
- Socioeconomic Factors
- Ventilators, Mechanical/adverse effects
- Ventilators, Mechanical/microbiology
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Detection by microneutralization of antibodies against avian influenza virus in an endemic avian influenza region. Clin Microbiol Infect 2011; 16:1354-7. [PMID: 20041893 DOI: 10.1111/j.1469-0691.2009.03148.x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
Detection by microneutralization of low-titre antibodies (anti-H5 micro-NT titre ≤ 1:80) against avian influenza virus (H5N1) is usually taken to be a false-positive result. In this prospective study of 242 intensive-care unit patients admitted for severe community-acquired pneumonia, the prevalence of low-titre anti-H5 micro-NT was 2.4%. Prior exposure to poultry was the sole independent risk factor for these low-titre antibodies (adjusted OR 42.41; 95% CI 22.45-64.51; p <0.001). We suggest that low anti-H5 micro-NT titres be interpreted in conjunction with plausible poultry, environmental and human exposure to H5N1.
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Tuberculin skin test and isoniazid prophylaxis among health care workers in high tuberculosis prevalence areas. Int J Tuberc Lung Dis 2011; 15:14-23. [PMID: 21276291] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/30/2023] Open
Abstract
The tuberculin skin test (TST) is an important tool for the detection of latent tuberculosis (TB) and the identification of health care workers (HCWs) who require chemoprophylaxis. Although TST is inexpensive, easily available and the preferred test in most TB-prevalent settings, it has recognised limitations, including subjective interpretation, false positivity, cross reactivity with non-tuberculous mycobacteria, administration errors and the requirement for two visits. Given these limitations and the unavailability of better screening tests in resource-limited settings, the acceptance rate for chemoprophylaxis among HCWs has remained low. Furthermore, chemoprophylaxis in these settings is complicated by the high rate of drug-resistant TB, potential adverse reactions, prescription of chemoprophylaxis in undiagnosed active TB patients and the unavailability of follow-up systems provided by occupational health programmes. In the present article, we provide our viewpoint and a practical approach along with existing evidence supporting or discouraging the use of TST and isoniazid chemoprophylaxis for TB screening and management among HCWs in TB-prevalent settings.
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Detection by microneutralization of antibodies against avian influenza virus in an endemic avian influenza region. Clin Microbiol Infect 2010. [DOI: 10.1111/j.1469-0691.2010.03148.x] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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17
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Intrathecal colistin for drug-resistant Acinetobacter baumannii central nervous system infection: a case series and systematic review. Clin Microbiol Infect 2010; 16:888-94. [DOI: 10.1111/j.1469-0691.2009.03019.x] [Citation(s) in RCA: 43] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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Feasibility and Efficacy of Infection-Control Interventions to Reduce the Number of Nosocomial Infections and Drug-Resistant Microorganisms in Developing Countries: What Else Do We Need? Clin Infect Dis 2009. [DOI: 10.1086/595121] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022] Open
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Antiretroviral drug resistance among antiretroviral-naïve persons with recent HIV infection in Thailand. HIV Med 2008; 9:322-5. [PMID: 18400079 DOI: 10.1111/j.1468-1293.2008.00562.x] [Citation(s) in RCA: 29] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
Abstract
OBJECTIVES To evaluate the prevalence and patterns of antiretroviral (ARV) drug resistance (ARV-DR) among ARV drug-naïve, recently infected persons with HIV in the 4-year interval (2003-2006) after the inception of the National Access to ARV Programme for People who have AIDS in Thailand. METHODS Cross-sectional study of patients with recent HIV infection for HIV risks, ARV-DR risks and baseline ARV-DR. RESULTS Seven of the 305 patients (2%) had baseline ARV-DR. Via contract tracing, all seven patients with transmitted ARV-DR identified sexual partners with prior ARV treatment failure and had documented low (<75%) ARV adherence. Annual ARV-DR increased from 0 to 5.2% (P=0.06) between 2003 and 2006. CONCLUSIONS Report of sexual partners with potential HIV and ARV drug exposures can prompt baseline ARV-DR testing of at-risk individuals, while behavioural interventions for adherence and safer sex are refined to minimize the emergence of resistance to generic, fixed-dose combination stavudine, lamivudine and nevirapine (GPO-VIR) therapy.
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Assessment of risk for pulmonary tuberculosis after non-reactive tuberculin skin testing among patients with HIV infection in a resource-limited setting. Int J STD AIDS 2008; 19:843-7. [DOI: 10.1258/ijsa.2008.008123] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Abstract
A cross-sectional study of 350 patients with HIV-1 infection was conducted to identify risks for pulmonary Mycobacterium tuberculosis (TB) after non-reactive two-step tuberculin skin tests (TST). Among 219 patients (62.6%) with non-reactive TST, independent risks for active pulmonary TB were prior known TB exposure (adjusted odds ratio [aOR] = 16.00, 95% confidence interval [CI] = 2.00–26.36, P = 0.008), CD4 <100 cells/μL (aOR = 2.50, 95% CI = 1.30–6.50, P = 0.04) and less than secondary-school education (aOR = 2.60, 95% CI = 1.50–6.90, P = 0.02). Our findings suggest that further diagnostic work-up for pulmonary TB is warranted among patients with HIV infection, non-reactive TSTs and either prior known TB exposure, CD4 counts <100 cells/μL or limited formal education.
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Secure antiretroviral therapy delivery in a resource-limited setting: streamlined to minimize drug resistance and expense. HIV Med 2008; 9:636-41. [PMID: 18643857 DOI: 10.1111/j.1468-1293.2008.00611.x] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
BACKGROUND We report the design and analysis of a streamlined approach to the delivery of antiretroviral therapy (ART) that minimized risk for emergence of ART drug resistance (ART-DR) in a resource-limited setting. METHODS The algorithm of care for persons with HIV comprised generic, fixed-dose, twice-daily stavudine, lamivudine and nevirapine (GPO-VIR), scheduled and unannounced pill counts and measurement of viral load at months 6 and 18 after initiation of ART. We evaluated adherence as measured by pill counts, HIV suppression and programmatic costs. RESULTS Over a 4-year period, 214 of 330 patients (64.8%) were enrolled; baseline median CD4 count was 84 cells/microL. At month 1, nine patients (4.2%) discontinued GPO-VIR because of skin rash. At month 6, 199 patients (93%) achieved viral load < or =400 HIV-1 RNA copies/mL, with current alcohol use the sole predictor of treatment failure [adjusted Relative Risk (aRR)=1.67; 95% confidence interval=1.05-2.48; P<0.001]. Most patients (97%) with HIV suppression at month 6 had viral loads < or =50 copies/mL at month 18; all had > or =75% visit compliance and 192 (98%) had > or =75% adherence measured by pill counts. The estimated annual costs were $111.92 per patient for the pill counts, home visits and viral load measurement. CONCLUSIONS Secure ART delivery, while minimizing risk for non-adherence and ART-DR, is clinically and economically feasible in this resource-limited setting.
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Fulminant Epiglottitis with Evolution to Necrotizing Soft Tissue Infections and Fasciitis due to Aeromonas hydrophila. Infection 2007; 36:94-5. [DOI: 10.1007/s15010-007-7118-4] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/08/2007] [Accepted: 09/12/2007] [Indexed: 10/22/2022]
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Abstract
OBJECTIVES The aim of the study was to determine the incidence of, and risk factors for, nevirapine (NVP)-associated hepatotoxicity and rash in HIV-infected Thai men and women, including pregnant women, receiving NVP-containing highly active antiretroviral therapy (HAART). METHODS NVP-containing HAART was prescribed to eligible men and women enrolled in the Prevention of Mother-To-Child Transmission of HIV (PMTCT) and MTCT-Plus programmes. All pregnant women received zidovudine (ZDV)/lamivudine (3TC)/NVP from >14 weeks of gestational age if their CD4 cell count was <or=200 cells/microL or from >28 weeks if their CD4 cell count was >200 cells/microL. Patients followed for at least 8 weeks after starting HAART or until delivery were included in the analyses. RESULTS Of 409 patients, 244 were pregnant women, 87 were nonpregnant women and 78 were men. Hepatotoxicity occurred in 15.6% of all patients. Men had a significantly higher rate of asymptomatic hepatotoxicity (P=0.021). Pregnant women receiving HAART for PMTCT (92% had CD4 cell counts >250 cells/microL) had a significantly higher rate of symptomatic hepatotoxicity (P=0.0003) than pregnant women receiving HAART for therapy. Rash occurred in 16.1% of all patients. The patients' sex and baseline CD4 cell count were not associated with the risk of hepatotoxicity or rash. NVP was discontinued in 4.2% and 6.8% of patients because of hepatotoxicity and rash, respectively. CONCLUSIONS The incidence of NVP-related hepatotoxicity and rash in Thai adults is similar to incidences reported for other populations. While larger studies are needed, our data support continued use of NVP-containing regimens as first-line treatment in developing countries for HIV-infected patients, including pregnant women. Pregnant women with high CD4 cell counts may experience higher rates of symptomatic hepatotoxicity and thus require careful clinical and laboratory monitoring.
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The Long-Term Outcomes of an Antibiotic Control Program with and without Education. Clin Infect Dis 2007; 45:1245-7. [DOI: 10.1086/522279] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022] Open
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Clostridium difficile: emergence of hypervirulence and fluoroquinolone resistance. Infection 2007; 35:300-7. [PMID: 17885732 DOI: 10.1007/s15010-007-6113-0] [Citation(s) in RCA: 59] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/24/2006] [Accepted: 05/24/2007] [Indexed: 01/05/2023]
Abstract
Clostridium difficile is a well-known cause of sporadic and healthcare-associated diarrhea. Multihospital outbreaks due to a single strain and outbreaks associated with antibiotic selective pressure, especially clindamycin, have been well documented. Severe cases and fatalities from C. difficile are uncommon. The recent global emergence of a hypervirulent strain containing binary toxin (Toxinotype III ribotype 027), with or without deletion in a regulatory gene (tcdC gene), together with high-level resistance to third generation fluoroquinolones, has been associated with increased morbidity and mortality. Although the defective regulatory gene locus is associated with increased toxin production in vitro, the in vivo significance of this mutation and of the binary toxin remains undefined. To date, treatment strategies have not evolved in response to the emergence of this hypervirulaent strain. We provide a critical, quantitative summary of the evolving clinical and molecular epidemiology of C. difficile along with implications relevant to future treatment strategies.
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Non-neoformans cryptococcal infections: a systematic review. Infection 2007; 35:51-8. [PMID: 17401707 PMCID: PMC7101977 DOI: 10.1007/s15010-007-6142-8] [Citation(s) in RCA: 133] [Impact Index Per Article: 7.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/27/2006] [Accepted: 01/08/2007] [Indexed: 11/17/2022]
Abstract
Non-neoformans cryptococci have been generally regarded as saprophytes and rarely reported as human pathogens. However, the incidence of infection due to these organisms has increased over the past 40 years, with Cryptococcus laurentii and Cryptococcus albidus, together, responsible for 80% of reported cases. Conditions associated with impaired cell-mediated immunity are important risks for non-neoformans cryptococcal infections and prior azole prophylaxis has been associated with antifungal resistance. The presence of invasive devices was a significant risk factor for Cryptococcus laurentii infection (adjusted OR = 8.7; 95% CI = 1.48–82.9; p = 0.003), while predictors for mortality included age ≥45 years (aOR = 8.4; 95% CI = 1.18–78.82; p = 0.004) and meningeal presentation (aOR = 7.0; 95% CI = 1.85–60.5; p= 0.04). Because clinical manifestations of non-neoformans cryptococcal infections are most often indistinguishable from Cryptococcus neoformans, a high index of suspicion remains important to facilitate early diagnosis and prompt treatment for such infections.
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Mycobacterium tuberculosis Associated Chylous Ascites in HIV-infected Patients: Case Report and Review of the Literature. Infection 2006; 34:230-3. [PMID: 16896584 DOI: 10.1007/s15010-006-5092-x] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/13/2005] [Accepted: 11/22/2005] [Indexed: 10/24/2022]
Abstract
Chylous ascites (CA) is a rare manifestation of tuberculosis. We report a case of CA due to tuberculosis in an HIV-infected patient and review the literature on CA in HIV disease. This patient was successfully treated with large volume abdominal paracentesis, antituberculous drugs, and parenteral medium chain triglycerides.
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A 66-Year-Old Thai Man with Fever and Abdominal Pain. Clin Infect Dis 2004. [DOI: 10.1086/424674] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022] Open
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30
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Disseminated Nocardia asteroides presenting as pulmonary non-caseating granulomas in a patient with Waldenstrom macroglobulinemia. Infection 2002; 30:38-40. [PMID: 11876515 DOI: 10.1007/s15010-001-2048-z] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
Abstract
Disseminated nocardiosis has never been described before in a patient with Waldenstrom macroglobulinemia. We report an unusual case of disseminated nocardiosis in a patient with Waldenstrom macroglobulinemia who presented with pulmonary non-caseating granulomas. The patient was successfully treated with trimethoprim-sulfamethoxazole (TMP-SMX) for 1 year.
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Abstract
Successful treatment outcome for cryptococcal disease has been available since the introduction of the polyene antifungal, amphotericin B. Over the past 15-20 years, treatment of acute cryptococcal disease has dramatically improved. Several therapeutic strategies have been introduced which improve overall outcome of therapy and help decrease the duration of treatment. Not surprisingly, most data now exists on the treatment of AIDS-associated cryptococcal disease, especially cryptococcal meningitis. Currently, amphotericin B with or without flucytosine is regarded as the best initial therapy for patients with meningitis or more severe illness, although, the azoles and other formulations of amphotericin B can considered in other situations. The choice of treatment for cryptococcal disease depends on both the anatomic sites of involvement and the host's immune status, all of which will be addressed in this article.
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32
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Abstract
Neisseria elongata subsp. elongata, previously considered nonpathogenic, is a potential agent of human endocarditis. We report the second case of human endocarditis caused by this organism. The patient was successfully treated with Ceftriaxone alone for a total of six weeks.
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