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1.
Children (Basel) ; 11(6)2024 Jun 17.
Article in English | MEDLINE | ID: mdl-38929317

ABSTRACT

BACKGROUND: Healthcare-associated infections (HAIs) pose a grave threat to patient safety, morbidity, and mortality, contributing to antimicrobial resistance. Thus, we estimated the point prevalence, risk factors, types, and pathogens of HAIs in hospitalized pediatric patients. METHODS: A point prevalence survey (PPS) of HAIs in hospitalized pediatric patients < 18 years old was conducted from March to May 2021. Outcomes, risk factors, and types of HAIs associated with HAIs in 41 hospitals across Thailand were collected. RESULTS: The prevalence of HAIs was 3.9% (95% CI 2.9-5.0%) (56/1443). By ages < 1 month, 1 month-2 years, 2-12 years, and 12-18 years, the prevalence of HAIs was 4.2%, 3.3%, 4.1%, and 3.0%, respectively (p = 0.80). Significant independent risk factors were extended hospital length of stay (LOS) and central venous catheter (CVC) use. Compared to an LOS of <4 days, LOSs of 4-7 days, 8-14 days, and >14 days had adjusted odds ratios (aORs) of 2.65 (95% CI 1.05, 6.68), 5.19 (95% CI 2.00, 13.4), and 9.03 (95% CI 3.97, 20.5), respectively. The use of a CVC had an aOR of 2.45 (95% CI 1.06-5.66). Lower respiratory tract infection (LRTI) was the most common HAI type (46.4%: 26/56). The highest prevalence of HAIs was predominantly observed in LRTI diagnoses, with the highest among these in the <1 month age category at 2.3% (17/738). CONCLUSION: The prevalence of HAIs in hospitalized pediatric patients was 3.9%. Extended LOS and use of CVC were HAI risk factors. A strategy for reducing LOS and reviewing insertion indications or the early planned removal of a CVC was implemented. The surveillance of HAIs stands as a cornerstone and fundamental component of IPC, offering invaluable insights that enhance hospital IPC interventions aimed at preventing HAIs.

2.
JAC Antimicrob Resist ; 5(1): dlac140, 2023 Feb.
Article in English | MEDLINE | ID: mdl-36628340

ABSTRACT

Objectives: To describe the antibiotic use among hospitalized patients in Thailand. Methods: A standardized cross-sectional point prevalence survey (PPS) modified from the WHO PPS protocol was conducted in 41 selected hospitals in Thailand. All inpatients who received an antibiotic at 9 a.m. on the survey date were enrolled. The total number of inpatients on that day was the denominator. Results: Between March and May 2021, a total of 8958 inpatients were enumerated; 4745 inpatients received antibiotics on the day of the survey and there were 6619 prescriptions of antibiotics. The prevalence of antibiotic use was 53.0% (95% CI 51.1%-54.0%), ranging from 14.3% to 73.4%. The antibiotic use was highest among adults aged >65 years (57.1%; 95% CI 55.3%-58.9%). From 6619 antibiotics prescribed, 68.6% were used to treat infection, 26.7% for prophylaxis and 4.7% for other or unknown indications. Overall, the top three commonly used antibiotics were third-generation cephalosporins (1993; 30.1%), followed by first-generation cephalosporins (737; 11.1%) and carbapenems (703; 10.6%). The most frequently used antibiotics for community-acquired infections were third-generation cephalosporins (36.8%), followed by ß-lactam/ß-lactamase inhibitors (11.8%) and carbapenems (11.3%) whereas for the patients with hospital-acquired infections, the most common antibiotics used were carbapenems (32.7%), followed by ß-lactam/ß-lactamase inhibitors (15.7%), third-generation cephalosporins (11.7%) and colistin (11.7%). The first-generation cephalosporins were the most commonly used antibiotics (37.7%) for surgical prophylaxis. Seventy percent of the patients received surgical prophylaxis for more than 1 day post surgery. Conclusions: The prevalence of antibiotic use among hospitalized patients in Thailand is high and one-quarter of these antibiotics were used for prophylaxis. The majority of surgical prophylaxis was inappropriately used for a long duration post operation. Therefore, it is recommended that local guidelines should be developed and implemented.

3.
Environ Health Insights ; 15: 11786302211013545, 2021.
Article in English | MEDLINE | ID: mdl-34017177

ABSTRACT

INTRODUCTION: Coronavirus disease (COVID-19) is caused by the severe acute respiratory syndrome coronavirus 2 (SARS-COV2). COVID-19 is highly contagious, potentially fatal, and a global public health concern. Combining optimized personal protective equipment (PPE) use and hand hygiene is the best strategy for preventing COVID-19 in health care workers (HCWs). METHODS: We conducted a national cross-sectional web-based survey of HCWs in the infection control program (IPC) in Thailand between May 5, 2020 and May 15, 2020. The primary objective was the prevalence of optimized PPE use amongst HCWs. The secondary objective was identification of the independent predictors of optimized PPE use. RESULTS: We received a response from 46% of HCWs (756/1650), and all those who responded were nurse or HCWs who were registered in the IPC network. Five HCWs were excluded because of missing data, and 751 were included in the final analysis. The prevalences of PPE use were 22% (168/751) for optimized PPE use, 78% (583/751) for non-optimized PPE use, 35% (263/751) for PPE overuse, and 43% (320/751) for PPE underused. In univariate analysis, optimized PPE use was significantly associated with age, education level, knowledge of appropriate negative pressure room selection, and knowledge of apparently milder symptom severity in children than adults. In multivariate analysis, independent predictors of optimized PPE use were knowledge of appropriate negative pressure room selection (aOR = 1.95, 95% CI = 1.18-3.22), the difference in symptom severity between children and adults (aOR = 0.55, 95% CI = 0.37-0.81), and education level (aOR = 1.54, 95% CI = 1.04-2.27). CONCLUSION: The prevalence of optimized PPE use amongst HCWs was 22%. Independent predictors of optimized PPE use were COVID-19 knowledge-based factors and education level. Therefore, the continued education training program should be implemented to ensure maintenance of appropriate practices during the COVID-19 pandemic.

4.
SAGE Open Med Case Rep ; 8: 2050313X20964046, 2020.
Article in English | MEDLINE | ID: mdl-33117539

ABSTRACT

Coronavirus disease 2019 pneumonia in the newborn is a difficult-to-treat condition. Early clinical signs of pneumonia are nonspecific and present as respiratory distress of varying severity, and tachypnea is a predominant clinical sign. A 47-day-old, asymptomatic male newborn of coronavirus disease 2019 infected mother tested positive for coronavirus disease 2019 by reverse transcription polymerase chain reaction. During hospitalization, he developed progressive tachypnea, tachycardia, and chest radiography abnormalities, and was diagnosed as coronavirus disease 2019 pneumonia. He was treated with favipiravir, hydroxychloroquine, and lopinavir/ritonavir. A favipiravir-based regimen may be the drug of choice for coronavirus disease 2019 pneumonia in the newborn.

5.
Jpn J Infect Dis ; 73(6): 411-420, 2020 Nov 24.
Article in English | MEDLINE | ID: mdl-32475871

ABSTRACT

Dengue virus (DENV), one of the rapidly spreading mosquito-borne pathogens, causes acute febrile illness with various clinical symptoms. Four DENV serotypes are known, designated DENV-1 to 4. We previously determined whole-genome sequences of 21 DENV isolates during 2016-2017 and reported the emergence of the Cosmopolitan genotype of DENV-2 and genotype III of DENV-3 in Thailand. The objective of this study, conducted in 2018 at the Bamrasnaradura Infectious Diseases Institute, was to study the prevalence of DENV genotype. A total of 100 patients, hospitalized with severe dengue infection, were enrolled with written informed consent. Serum specimens were tested by multiplex real-time reverse transcription-polymerase chain reaction. Among them, 94 were DENV-positive, with 46 DENV-1, 38 DENV-2, 10 DENV-4, and no DENV-3 cases. Nucleotide sequence of DENV gene for envelope-protein was determined in 73 cases. Genotyping of the sequences revealed 40 cases with DENV-1 genotype I, 26 with DENV-2, that included 18 of Cosmopolitan and 8 Asian I genotypes, and 7 with DENV-4 genotype I. DENV-1 was the most prevalent in this study, and the frequency of DENV-2 Cosmopolitan genotype appears to have increased since our previous study, indicating that genotypic diversity of DENV is increasing in Thailand.


Subject(s)
Dengue Virus/genetics , Dengue/virology , Adolescent , Adult , Child , Dengue/epidemiology , Dengue Virus/classification , Female , Genotype , Hospitalization , Humans , Male , Middle Aged , Phylogeny , RNA, Viral , Reverse Transcriptase Polymerase Chain Reaction , Serogroup , Thailand , Viral Envelope Proteins/genetics , Young Adult
7.
PLoS One ; 13(11): e0207220, 2018.
Article in English | MEDLINE | ID: mdl-30419004

ABSTRACT

Dengue is a mosquito-borne disease that has spread to over 100 countries. Dengue fever is caused by dengue virus (DENV), which belongs to the Flavivirus genus of the family Flaviviridae. DENV comprises 4 serotypes (DENV-1 to DENV-4), and each serotype is divided into distinct genotypes. Thailand is an endemic area where all 4 serotypes of DENV co-circulate. To understand the current genotype distribution of DENVs in Thailand, we enrolled 100 cases of fever with dengue-like symptoms at the Bamrasnaradura Infectious Diseases Institute during 2016-2017. Among them, 37 cases were shown to be dengue-positive by real-time PCR. We were able to isolate DENVs from 21 cases, including 1 DENV-1, 8 DENV-2, 4 DENV-3, and 8 DENV-4. To investigate the divergence of the viruses, RNA was extracted from isolated DENVs and viral near-whole genome sequences were determined. Phylogenetic analysis of the obtained viral sequences revealed that DENV-2 genotype Cosmopolitan was co-circulating with DENV-2 genotype Asian-I, the previously predominating genotype in Thailand. Furthermore, DENV-3 genotype III was found instead of DENV-3 genotype II. The DENV-2 Cosmopolitan and DENV-3 genotype III found in Thailand were closely related to the respective strains found in nearby countries. These results indicated that DENVs in Thailand have increased in genotypic diversity, and suggested that the DENV genotypic shift observed in other Asian countries also might be taking place in Thailand.


Subject(s)
Dengue Virus/genetics , Biodiversity , Biological Evolution , Dengue/epidemiology , Dengue/virology , Dengue Virus/isolation & purification , Endemic Diseases , Genotype , Humans , Phylogeny , RNA, Viral , Thailand
8.
Children (Basel) ; 5(1)2018 Jan 01.
Article in English | MEDLINE | ID: mdl-29301267

ABSTRACT

The RNA viral load of human immunodeficiency virus (HIV) is initially used to determine the status of the HIV infection. The goal of therapy following treatment failure is to achieve and maintain virologic suppression. A detectable viral load may relate to the progression of HIV infection. A cross-sectional survey was conducted from January 2013 to December 2014 at the Bamrasnaradura Infectious Diseases Institute, Thailand. The aim was to determine the prevalence of detectable HIV viral load (dVL) and analyze the factors associated with post-dVL conditions that occur independently of a switch to a new antiretroviral agent. The prevalence of dVL was 27% (27 of 101). The mean ages of dVL and non-dVL children were 12.0 and 12.3 years, respectively. Age, sex, body mass index for age z-scores, previous tuberculosis disease history and parental tuberculosis history of both groups were not significantly different (p > 0.05). The prevalence of poor adherence (<95%), influenza-like illness (ILI) and opportunistic infections were higher in dVL than non-dVL children (p < 0.05). The mean nadir CD4 cell count during the study was lower in dVL than non-dVL children (646 compared to 867, respectively; p < 0.05). Other factors were not significant (all p > 0.05). In multivariable analysis, dVL was significantly associated with ILI (odds ratio (OR) = 9.6, 95% confidence interval (CI) = 1.3-69.4), adherence (OR = 0.195, 95% CI = 0.047-0.811) and nadir CD4 during the study (OR = 1.102, 95% CI = 1.100-1.305). The prevalence of dVL was 27% with this dVL among HIV-infected children found to be associated with ILI, poor adherence and lower nadir CD4 during the study.

10.
Article in English | MEDLINE | ID: mdl-29644841

ABSTRACT

This study aimed to determine the prevalence of healthcare-associated infections (HAIs), all-cause mortality, document the bacterial pathogens isolated in HAIs, and determine the risk factors associated with HAIs and all-cause mortality at selected hospitals in Thailand. A survey with a total time frame of 10 days was conducted at selected 50 hospitals across Thailand during January 2014: 19 primary government hospitals, 15 secondary government hospitals, 13 tertiary government hospitals, 2 private hospitals and 1 government university hospital. Of 15,475 cases reviewed, 688 patients had 791 HAIs (1.1 HAI per infected patient). The rate of HAI was 4.4% (95%CI: 4.1-4.8): 7.3% (95%CI: 4.6-9.3) at the university hospital surveyed, 5.0% (95%CI: 4.6-5.4) at the tertiary hospitals surveyed, 3.9% (95%CI: 3.4-4.6) at the secondary hospitals surveyed, 2.0% (95%CI: 1.3-2.7) at the primary hospitals surveyed, and 1.6% (95%CI: 0.5-2.8) at the private hospitals surveyed. The ward with the frequent number of HAI was the intensive care unit (17%). The two most commonly affected age ranges were those aged >60 years and <1 year. Of the 791 HAIs found in this survey, the 3 most frequently reported types of HAI were: respiratory tract infections (n=377, 48%), urinary tract infections (n=176, 22%) and surgical site infections (n=55, 7%). Of the 688 patients with a HAI, 24% died within three months of this survey. The most frequently reported bacterial pathogen was Acinetobacter species (17%). On multivariate analysis, HAIs were significantly associated with patient age <1 year, a university hospital, having major surgery, urinary catheterization, being on a respiratory ventilator, having a tracheostomy, and having central venous catheterization (p <0.05). Death was associated with patient age <1 year, a university hospital, being on a surgical or medical ward, being on a ventilator, and having a central venous catheter (p <0.05). HAIs are major public health problems in the studied hospitals and result in substantial mortality.


Subject(s)
Cross Infection/epidemiology , Hospitals , Respiratory Tract Infections/epidemiology , Surgical Wound Infection/epidemiology , Urinary Tract Infections/epidemiology , Bacterial Infections/epidemiology , Bacterial Infections/microbiology , Humans , Infant , Middle Aged , Respiratory Tract Infections/microbiology , Risk Factors , Surgical Wound Infection/microbiology , Thailand/epidemiology , Urinary Tract Infections/microbiology
11.
Int J STD AIDS ; 27(9): 761-8, 2016 08.
Article in English | MEDLINE | ID: mdl-26138900

ABSTRACT

Influenza vaccination can reduce disease in HIV-infected children. The durability of the antibody response after trivalent influenza vaccine is important for management. The aim of this prospective study was to assess the durability of seroprotection for trivalent influenza vaccine strains and the factors effecting seroprotective response regardless of immunogenicity before trivalent influenza vaccine at one and six months after immunisation. Hemagglutination inhibition assay was done at one and six months. Seventy-five HIV-infected children were enrolled after vaccination. Four children were lost to follow-up. None of the children had confirmed influenza infection between immunisation and hemagglutination inhibition at six months after influenza vaccination. Seventy-one children were included in the final analysis and immunogenicity of trivalent influenza vaccine strains at one and six months. Of these, 27 (38%) had complete seroprotection (Group A) and 44 (62%) had non-complete seroprotection (Group B). Sex, age and the body mass index of both groups were not different from each other (p > 0.05). There was a higher mean CD4 level and more children with RNA ≤40 copies/mL among Group A compared with Group B (p < 0.05). Other factors did not differ significantly. The durability of the seroprotective response after trivalent influenza vaccine was associated with a high CD4 level and virological suppression before vaccination.


Subject(s)
HIV Infections/immunology , Hemagglutination Inhibition Tests/methods , Immunogenicity, Vaccine , Influenza Vaccines/administration & dosage , Influenza Vaccines/immunology , Influenza, Human/prevention & control , Antibodies, Viral/blood , CD4 Lymphocyte Count , Child , Female , HIV Infections/diagnosis , HIV Infections/virology , Humans , Influenza A Virus, H1N1 Subtype/immunology , Influenza Vaccines/adverse effects , Influenza, Human/immunology , Male , Prospective Studies , Seasons , Thailand , Viral Load
12.
Article in English | MEDLINE | ID: mdl-24974646

ABSTRACT

Data regarding risk factors for hospitalization among children with influenza B infection are limited. We conducted a retrospective study of 184 children with influenza B infection during October 2011 - September 2012 seen at Bamrasnaradura Infectious Diseases Institute, Thailand; clinical and laboratory data were compared between hospitalized and outpatient children. The numbers of hospitalized and outpatient children were 65 (35%) and 119 (65%), respectively. Most children (> 80%) were aged > or = 5 years. The median time from onset of symptoms to starting oseltamivir treatment was significantly longer among hospitalized than outpatient children (3 days vs 2 days, p < 0.05). The significantly more hospitalized children received antibiotics than outpatient children (43% vs 7%, p < 0.05). Complications were more common among hospitalized children than outpatient children (37% vs 2%, p < 0.05). Pneumonia and rhinosinusitis were significantly more common among hospitalized children than outpatient children (p < 0.05). Direct contact history, history of receiving an influenza vaccine, history of a previous influenza infection, body temperature, respiratory symptoms, gastrointestinal symptoms, headache and laboratory findings were not significantly different between the two groups (p > 0.05). In conclusion, delay initiation of antiviral therapy and medical complications (pneumonia and rhinosinusitis) were more common among hospitalized children with influenza B than outpatient children with influenza B in the studied population.


Subject(s)
Child, Hospitalized , Influenza B virus/isolation & purification , Influenza, Human/complications , Influenza, Human/virology , Anti-Bacterial Agents/therapeutic use , Antiviral Agents/therapeutic use , Child , Child, Preschool , Female , Humans , Influenza, Human/drug therapy , Male , Oseltamivir/therapeutic use , Retrospective Studies , Risk Factors
13.
J Med Assoc Thai ; 95 Suppl 5: S80-5, 2012 May.
Article in English | MEDLINE | ID: mdl-22934450

ABSTRACT

OBJECTIVE: To identify seroprevalence of varicella and the relationship with their histories of experiences of varicella diseases and to provide appropriate immunization against varicella, mumps, measles, rubella and hepatitis B to medical students. MATERIAL AND METHOD: All of the medical students were eligible for participation after informed consents. Immunization history against varicella, mumps, measles, rubella (MMR) and hepatitis B were obtained from a questionnaire. A blood sample was obtained from each student for IgG antibody against VZV by ELISA. Medical students with an uncertain history or no documentation of hepatitis B vaccination were tested for HBsAg and anti-HBcIgG by ELISA. RESULTS: There were 383 medical students enrolled. The mean age at enrollment was 21.6 years (median 21.4 years; range 18-25.8 years). Of 383 medical students, 372 (97.2%) had documents of receiving MMR immunizations. The blood samples were obtained from 374 of 383 (97.6%) medical students to identify the immunity against varicella zoster virus (VZV) and the seroprevalence rate was 92%. Using VZVIgG antibody detection as a standard test, history of experience of varicella disease provided positive predictive value of 99.3% (148/149). Of 383 medical students, 277 (72.3%) were tested for hepatitis B markers and 243 (87.7%) students showed negative results. The prevalence of HBsAg carriers was 0.01% (4/383). CONCLUSION: Suboptimal immunities against vaccine preventable diseases could be demonstrated in the medical students including varicella and hepatitis B. New recommendations of immunizations against varicella, MMR and hepatitis B viruses for a particular group of the population were provided.


Subject(s)
Chickenpox/immunology , Hepatitis B/immunology , Students, Medical , Chi-Square Distribution , Chickenpox/epidemiology , Enzyme-Linked Immunosorbent Assay , Female , Hepatitis B/epidemiology , Hepatitis B/prevention & control , Humans , Immunoglobulin G/blood , Male , Measles/prevention & control , Measles-Mumps-Rubella Vaccine/administration & dosage , Mumps/prevention & control , Predictive Value of Tests , Rubella/prevention & control , Seroepidemiologic Studies , Surveys and Questionnaires , Thailand/epidemiology , Young Adult
14.
J Med Assoc Thai ; 91(2): 159-65, 2008 Feb.
Article in English | MEDLINE | ID: mdl-18389979

ABSTRACT

OBJECTIVES: To determine incidence and risk factors of nevirapine (NVP)-associated severe hepatitis that led to NVP discontinuation among HIV-infected patients with CD4 < 250 cells/microL. MATERIAL AND METHOD: A retrospective cohort study was conducted among antiretroviral-naïve HIV-infected patients who had baseline CD4 < 250 cells/microL and were initiated NVP-based antiretroviral therapy (ART) between January 2003 and October 2005. All patients were categorized to group A: occurred clinical hepatitis and group B: did not occur clinical hepatitis. All were followed until 6 months after ART. RESULTS: There were 910 patients with a mean age of 35.4 years, 57% were males and median (IQR) CD4 cell count was 27 (9-80) cells/microL; contributing 5,006 person-months of observations. Ten (1.1%) patients were in group A and 900 (98.9%) patients were in group B. Incidence of clinical hepatitis was 2 per 1,000 person-months. Probabilities of clinical hepatitis at 0.5, 1, 2, 3 and 6 months after ART were 0.2%, 0.5%, 0.7%, 0.8% and 1.1%, respectively. By Cox regression analysis, baseline AST > or = 1.5 times of upper limit was associated with higher incidence of clinical hepatitis (p = 0.019, HR = 5.83, 95% CI = 1.33-25.51). CONCLUSION: Incidence of NVP-associated severe hepatitis that lead to NVP discontinuation among HIV-infected patients with baseline CD4 < 250 cells/microL is low. The higher baseline AST is also associated with a higher risk of severe hepatitis.


Subject(s)
Anti-HIV Agents/adverse effects , Anti-Retroviral Agents/adverse effects , CD4 Lymphocyte Count , HIV Infections/complications , Hepatitis/etiology , Nevirapine/adverse effects , Adult , Alanine Transaminase/analysis , Aspartate Aminotransferases/analysis , Female , HIV Infections/physiopathology , Hepatitis/physiopathology , Humans , Incidence , Male , Retrospective Studies , Risk Factors , Sickness Impact Profile
15.
Int J STD AIDS ; 18(11): 782-6, 2007 Nov.
Article in English | MEDLINE | ID: mdl-18005514

ABSTRACT

The objective of the study was to determine cumulative incidence and risk factors of nevirapine (NVP)-associated rashes that lead to NVP discontinuation among HIV-infected patients with CD4 <250 cells/microL. A retrospective cohort study was conducted among antiretroviral-naïve HIV-infected patients who had baseline CD4 <250 cells/microL and were initiated NVP-based antiretroviral therapy (ART) between January 2003 and October 2005. There were 910 patients with a mean age of 35.4 years and 43% were women. Median CD4 cell count was 27 cells/microL and median HIV RNA was 5.5 log copies/mL. Cumulative incidences of rashes at 0.5, 1, 2, 3 and 6 months after ART were 3.7%, 6.2%, 8.1%, 8.5% and 8.5%, respectively. By Kaplan-Meier analysis, the higher baseline CD4 cell counts had a higher probability of NVP-associated rashes (log-rank test, P=0.041). By Cox regression analysis, higher baseline CD4 cell count was associated with a higher incidence of rashes (hazard ratio=1.244, 95% confidence interval=1.045-1.482, for every 50 cells/microL increment of baseline CD4 stratum). In conclusion, NVP-associated skin rashes that lead to NVP discontinuation are common among HIV-infected patients with baseline CD4 <250 cells/microL. Despite the low baseline in this population, the higher number of baseline CD4 cells is continuously associated with a higher risk for skin rashes.


Subject(s)
Exanthema/epidemiology , HIV Infections/complications , HIV Infections/drug therapy , Nevirapine/adverse effects , Nevirapine/therapeutic use , Adult , CD4 Lymphocyte Count , Cohort Studies , Female , Humans , Incidence , Male , Regression Analysis , Retrospective Studies , Viral Load
16.
J Infect ; 55(5): 464-9, 2007 Nov.
Article in English | MEDLINE | ID: mdl-17714788

ABSTRACT

OBJECTIVE: To study incidence, risk factors, and impact of major opportunistic infections (OIs) after initiation of antiretroviral therapy (ART). METHODS: A retrospective cohort study was conducted among naïve HIV-infected patients who were initiated ART during January 2003-December 2004. All patients were followed until 15 months after ART. RESULTS: There were 793 patients with mean+/-SD age of 35.2+/-7.4 years and 56.3% male. Median (IQR) CD4 was 26 (9-78) cells/mm3. Of 793 patients, 61 (8%) patients developed 81 episodes of OIs after ART. These included tuberculosis (48.1%), CMV retinitis (19.8%), MAC infection (14.8%), PCP (9.9%), cryptococcosis (6.2%) and penicilliosis (1.2%). Overall incidence of new episode of OIs after ART was 8.0% during the first year of ART. Probabilities of OIs at 1, 2, 3, 6, and 12 months after ART were 2.6%, 4.0%, 5.3%, 6.9% and 8.0%, respectively. Baseline CD4 < or = 50 cells/mm3, male gender, and low body weight were associated with higher incidence of OIs after ART (P<0.05). CONCLUSIONS: Most of new episodes of major OIs develop within the first three months after ART. Tuberculosis is the most frequent OIs in this situation. The substantial increase of new episode of OIs after ART was observed among HIV-infected patients with CD4 cell counts < or = 50 cells/mm3 at ART initiation.


Subject(s)
Antiretroviral Therapy, Highly Active , HIV Infections/complications , HIV Infections/drug therapy , Opportunistic Infections/epidemiology , Adult , Body Weight , CD4 Lymphocyte Count , Cohort Studies , Cryptococcosis/epidemiology , Cytomegalovirus Retinitis/epidemiology , Female , Humans , Incidence , Male , Mycobacterium avium-intracellulare Infection/epidemiology , Retrospective Studies , Risk Factors , Sex Factors , Thailand/epidemiology , Tuberculosis/epidemiology
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