Displaying publications 1 - 20 of 54 in total

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  1. Montúfar FE, Ochoa JE, Ortega H, Franco L, Montúfar MC, Monsalve A, et al.
    Int J Infect Dis, 2015 Aug;37:50-7.
    PMID: 26051974 DOI: 10.1016/j.ijid.2015.05.023
    Melioidosis is endemic in Malaysia, the southwest of Thailand, and northern Australia. The incidence in Thailand is 4.4/1000000 inhabitants, where it causes 19% of community-acquired pneumonia (CAP) and 20% of bacteremic pneumonia, and the mortality is 50%. Sporadic cases have been described in Central and South America. The objective of this study was to describe the clinical and epidemiological features and ecological characteristics of melioidosis in Antioquia, Colombia.
    Matched MeSH terms: Community-Acquired Infections
  2. Vallavan V, Krishnasamy G, Zin NM, Abdul Latif M
    Molecules, 2020 Dec 11;25(24).
    PMID: 33322256 DOI: 10.3390/molecules25245848
    Fungi are a rich source of secondary metabolites with several pharmacological activities such as antifungal, antioxidant, antibacterial and anticancer to name a few. Due to the large number of diverse structured chemical compounds they produce, fungi from the phyla Ascomycota, Basidiomycota and Muccoromycota have been intensively studied for isolation of bioactive compounds. Basidiomycetes-derived secondary metabolites are known as a promising source of antibacterial compounds with activity against Gram-positive bacteria. The continued emergence of antimicrobial resistance (AMR) poses a major challenge to patient health as it leads to higher morbidity and mortality, higher hospital-stay duration and substantial economic burden in global healthcare sector. One of the key culprits for AMR crisis is Staphylococcus aureus causing community-acquired infections as the pathogen develops resistance towards multiple antibiotics. The recent emergence of community strains of S. aureus harbouring methicillin-resistant (MRSA), vancomycin-intermediate (VISA) and vancomycin-resistant (VRSA) genes associated with increased virulence is challenging. Despite the few significant developments in antibiotic research, successful MRSA therapeutic options are still needed to reduce the use of scanty and expensive second-line treatments. This paper provides an overview of findings from various studies on antibacterial secondary metabolites from basidiomycetes, with a special focus on antistaphylococcal activity.
    Matched MeSH terms: Community-Acquired Infections/microbiology
  3. Hasali MA, Ibrahim MI, Sulaiman SA, Ahmad Z, Hasali JB
    Pharm World Sci, 2005 Jun;27(3):249-53.
    PMID: 16096896
    BACKGROUND: Pneumonia is one of the leading causes of morbidity and mortality among children in many developing countries. It is reported that 12.9 million children under 5 years of age died world-wide in 1990 and one-third of these deaths or 4.3 million annually were attributed to acute respiratory infection with pneumonia.

    OBJECTIVES: On this basis, a study was conducted in a district hospital to study the therapy outcomes of antibiotic regimens used in pediatric community-acquired pneumonia (CAP) management and to conduct a cost-effectiveness analysis (CE) between IV ampicillin versus combination therapy of IV ampicillin and IV gentamicin.

    METHOD: A prospective, randomized, controlled, single blind study was conducted in a pediatric ward in a 80-bed district hospital. Pediatric patients diagnosed with CAP aged 2 months to 5 years old were randomly and equally divided into two treatment arms: ampicillin versus ampicillin plus gentamicin. The dose of IV ampicillin used in this study was 100 mg/kg/day divided every 6 h and 5 mg/kg of IV gentamicin as a single daily dose. Both clinical and economic evaluations were carried out to compare both treatment arms.

    RESULTS: With the inclusion and exclusion criteria, only 40 patients diagnosed with CAP were included in the study. The results showed that the two treatment arms were significantly different (P < 0.05) in terms of duration of patients on ampicillin, number of days of hospitalization and time to switch to oral therapy. A significant difference was noted between the two treatment modalities in terms of effectiveness and cost (P < 0.05).

    CONCLUSION: Overall, the endpoint of this study showed that the total cost per patient of ampicillin-treated group is cheaper than the total cost with the combination therapy (ampicillin plus gentamicin) and reduced unnecessary exposure to adverse effects or toxicities. Besides that, addition of gentamicin in the treatment modalities will only increase the cost of treatment without introducing any changes in the treatment outcome.

    Matched MeSH terms: Community-Acquired Infections/drug therapy*; Community-Acquired Infections/economics*
  4. Saleem Z, Hassali MA, Versporten A, Godman B, Hashmi FK, Goossens H, et al.
    Expert Rev Anti Infect Ther, 2019 04;17(4):285-293.
    PMID: 30755077 DOI: 10.1080/14787210.2019.1581063
    OBJECTIVES: In line with the recent global action plan for antimicrobial resistance, this is the first time such a comprehensive antimicrobial point prevalence survey has been undertaken in Pakistan, the sixth most populous country.

    METHODS: This point prevalence survey (PPS) was conducted in 13 hospitals among 7 different cities of Pakistan. The survey included all inpatients receiving an antibiotic on the day of PPS. A web-based application was used for data entry, validation, and reporting as designed by the University of Antwerp (www.global-pps.com).

    RESULTS: Out of 1954 patients, 1516 (77.6%) were treated with antibiotics. The top three most reported indications for antibiotic use were prophylaxis for obstetrics or gynaecological indications (16.5%), gastrointestinal indications (12.6%) and lower respiratory tract infections (12.0%). The top three most commonly prescribed antibiotics were ceftriaxone (35.0%), metronidazole (16.0%) and ciprofloxacin (6.0%). Out of the total indications, 34.2% of antibiotics were prescribed for community-acquired infections (CAI), 5.9% for healthcare-associated infections (HAI), and 57.4% for either surgical or medical prophylaxis. Of the total use for surgical prophylaxis, 97.4% of antibiotics were given for more than one day.

    CONCLUSIONS: Unnecessary prophylactic antibiotic use is extremely high, and broad-spectrum prescribing is common among hospitals in Pakistan. There is an urgent need to work on the  national action plan of Pakistan on antibiotic resistance to address this.

    Matched MeSH terms: Community-Acquired Infections/drug therapy*; Community-Acquired Infections/epidemiology
  5. Dhanoa A, Singh VA, Mansor A, Yusof MY, Lim KT, Thong KL
    BMC Infect Dis, 2012;12:270.
    PMID: 23098162 DOI: 10.1186/1471-2334-12-270
    Methicillin-resistant Staphylococcus aureus (MRSA) has of late emerged as a cause of community-acquired infections among immunocompetent adults without risk factors. Skin and soft tissue infections represent the majority of community-acquired methicillin-resistant Staphylococcus aureus (CA-MRSA) clinical presentations, whilst invasive and life-threatening illness like necrotizing pneumonia, necrotizing fasciitis, pyomyositis, osteomyelitis and sepsis syndrome are less common. Although more widely described in the pediatric age group, the occurrence of CA-MRSA osteomyelitis in adults is an uncommonly reported entity.
    Matched MeSH terms: Community-Acquired Infections/diagnosis*; Community-Acquired Infections/microbiology; Community-Acquired Infections/pathology
  6. Loh LC, Quah SY, Khoo SK, Vijayasingham P, Thayaparan T
    Respirology, 2005 Jun;10(3):371-7.
    PMID: 15955152
    Current clinical practice guidelines, including those in south Asia, recommend the addition of a macrolide to a broad-spectrum antibiotic for the treatment of severe hospitalized community-acquired pneumonia (CAP). The aim of this study was to observe the influence of macrolide addition on clinical outcomes of hospitalized adult patients with CAP.
    Matched MeSH terms: Community-Acquired Infections/drug therapy*; Community-Acquired Infections/mortality
  7. Loh LC, Khoo SK, Quah SY, Visvalingam V, Radhakrishnan A, Vijayasingham P, et al.
    Respirology, 2004 Aug;9(3):379-86.
    PMID: 15363012
    Prediction of mortality in patients with community-acquired pneumonia (CAP) can be assessed using clinical severity scores on admission to hospital. The clinical benefit of such tools is untested in Asian countries. The aim of this study was to determine the early adverse prognostic factors in patients hospitalized with CAP in Malaysia and to assess the usefulness of the British Thoracic Society (BTS) severity criteria.
    Matched MeSH terms: Community-Acquired Infections/classification; Community-Acquired Infections/mortality*
  8. Loh LC, Rosdara Masayuni MS, Nor Izran Hanim AS, Raman S, Thayaparan T, Kumar S
    Ann Acad Med Singap, 2007 Aug;36(8):642-6.
    PMID: 17767334
    INTRODUCTION: In Malaysia, Klebsiella pneumoniae ranks high as a cause of adult pneumonia requiring hospitalisation.

    PATIENTS AND METHODS: With concern over its rising microbial resistance, we explored the association of empiric antibiotics choices with the hospital outcomes of patients treated for microbial proven K. pneumoniae pneumonia in an urban-based teaching hospital.

    RESULTS: In 313 eligible cases reviewed retrospectively, hospital mortality and requirement for ventilation were 14.3% and 10.8% respectively. Empiric regimes that had in vitro resistance to at least one empiric antibiotic (n = 90) were associated with higher hospital mortality (23.3% vs. 10.8%, P = 0.004) with risk increased by about two-fold [Odds ratio (OR), 2.5; 95% confidence interval (CI), 1.3 to 4.8]. Regimes (n = 84) other than the commonly recommended "standard" regimes (a beta-lactam stable antibiotic with or without a acrolide) were associated with higher ventilation rates (16.7% vs. 8.8%, P = 0.047) with similar increased risk [OR, 2.0; 95% CI, 1.0 to 4.3].

    CONCLUSIONS: Our findings reiterate the clinical relevance of in vitro microbial resistance in adult K. pneumoniae pneumonia and support empiric regimes that contain beta-lactam stable antibiotics.

    Matched MeSH terms: Community-Acquired Infections
  9. Ngeow YF, Suwanjutha S, Chantarojanasriri T, Wang F, Saniel M, Alejandria M, et al.
    Int J Infect Dis, 2005 May;9(3):144-53.
    PMID: 15840455
    In many parts of Asia, the inaccessibility and high cost of diagnostic tests have hampered the study of community-acquired pneumonia (CAP) caused by atypical respiratory pathogens.
    Matched MeSH terms: Community-Acquired Infections/diagnosis; Community-Acquired Infections/microbiology*; Community-Acquired Infections/epidemiology*
  10. Lim VKE
    Med J Malaysia, 2003 Jun;58(2):156-8.
    PMID: 14569734 MyJurnal
    Matched MeSH terms: Community-Acquired Infections/microbiology*; Community-Acquired Infections/epidemiology
  11. Mohd-Zain Z, Kamsani NH, Ismail IS, Ahmad N
    Trop Biomed, 2012 Sep;29(3):372-80.
    PMID: 23018500 MyJurnal
    Prior to the implementation of Haemophilus influenzae type b vaccination worldwide, H. influenzae has been one of the main causative agents of community acquired pneumonia and meningitis in children. Due to the lack of information on the characteristics of the H. influenzae isolates that have previously been collected in Malaysia, the H. influenzae were assessed of their microbial susceptibility to commonly used antibiotics. Emphasis was made on strains that were resistance to co-trimoxazole (SXT) and their mode of transfer of the antibiotic resistance determinants were examined. A collection of 34 H. influenzae isolates was serotyped and antimicrobial susceptibility tests were performed to 11 antibiotics. To the isolates that were found to be resistant to co-trimoxazole, minimum inhibition concentration (MIC) to SXT was performed using Etest while agar dilution method was used to measure the individual MICs of trimethoprim (TMP) and sulfamethoxazole (SUL). These isolates were also examined for presence of plasmid by PCR and isolation method. Conjugal transfers of SXT-resistant genes to SXT-susceptible hosts were performed to determine their rate of transfer. Result showed that 20.6% of the total number of isolates was serotype B while the remaining was non-typeable. Antimicrobial susceptibility profile of all the isolates revealed that 58.8% was resistant to at least one antibiotic. Majority of these isolates were equally resistant to ampicillin and tetracycline (29.4% each), followed by resistance to SXT (26.5%). From nine isolates that were found to be SXT-resistant, five contained plasmid/s. Conjugal transfer experiment showed that these five isolates with plasmid transferred SXT-resistance determinants at a higher frequency than those without. From these observations, it is postulated that plasmid is not involved in the transfer of SXT-resistance genes but presence of plasmid facilitates their transfer. The information obtained from this study provides some basic knowledge on the antimicrobial susceptibility pattern of the H. influenzae isolates and their mode of transfer of SXT-resistance genes.
    Matched MeSH terms: Community-Acquired Infections/drug therapy; Community-Acquired Infections/microbiology
  12. Azmi S, Aljunid SM, Maimaiti N, Ali AA, Muhammad Nur A, De Rosas-Valera M, et al.
    Int J Infect Dis, 2016 May 24;49:87-93.
    PMID: 27235085 DOI: 10.1016/j.ijid.2016.05.021
    To describe the incidence, mortality, cost, and length of stay (LOS) of hospitalized community-acquired pneumonia (CAP) and hospital-acquired pneumonia (HAP) in three Southeast Asian countries: Malaysia, Indonesia, and the Philippines.
    Matched MeSH terms: Community-Acquired Infections
  13. Tan KK, Dang DA, Kim KH, Kartasasmita C, Kim HM, Zhang XH, et al.
    Hum Vaccin Immunother, 2018 01 02;14(1):95-105.
    PMID: 29125809 DOI: 10.1080/21645515.2017.1375073
    BACKGROUND: Few studies describe the community-acquired pneumonia (CAP) burden in children in Asia. We estimated the proportion of all CAP hospitalizations in children from nine hospitals across the Republic of Korea (high-income), Indonesia, Malaysia (middle-income), and Vietnam (low/middle-income).

    METHODS: Over a one or two-year period, children <5 years hospitalized with CAP were identified using ICD-10 discharge codes. Cases were matched to standardized definitions of suspected (S-CAP), confirmed (C-CAP), or bacterial CAP (B-CAP) used in a pneumococcal conjugate vaccine efficacy study (COMPAS). Median total direct medical costs of CAP-related hospitalizations were calculated.

    RESULTS: Vietnam (three centers): 7591 CAP episodes were identified with 4.3% (95% confidence interval 4.2;4.4) S-CAP, 3.3% (3.2;3.4) C-CAP and 1.4% (1.3;1.4) B-CAP episodes of all-cause hospitalization in children aged <5 years. The B-CAP case fatality rate (CFR) was 1.3%. Malaysia (two centers): 1027 CAP episodes were identified with 2.7% (2.6;2.9); 2.6% (2.4;2.8); 0.04% (0.04;0.1) due to S-CAP, C-CAP, and B-CAP, respectively. One child with B-CAP died. Indonesia (one center): 960 CAP episodes identified with 18.0% (17.0;19.1); 16.8% (15.8;17.9); 0.3% (0.2;0.4) due to S-CAP, C-CAP, and B-CAP, respectively. The B-CAP CFR was 20%. Korea (three centers): 3151 CAP episodes were identified with 21.1% (20.4;21.7); 11.8% (11.2;12.3); 2.4% (2.1;2.7) due to S-CAP, C-CAP, and B-CAP, respectively. There were no deaths.

    COSTS: CAP-related hospitalization costs were highest for B-CAP episodes: 145.00 (Vietnam) to 1013.3 USD (Korea) per episode.

    CONCLUSION: CAP hospitalization causes an important health and cost burden in all four countries studied (NMRR-12-50-10793).

    Matched MeSH terms: Community-Acquired Infections/economics*; Community-Acquired Infections/microbiology; Community-Acquired Infections/epidemiology; Community-Acquired Infections/prevention & control
  14. Tonnii S, Chua HH
    Med J Malaysia, 2020 03;75(2):186-188.
    PMID: 32281608
    Acinetobacter infection, especially the drug-resistant strain, is a common cause of nosocomial infection. However, community-acquired Acinetobacter infection is uncommon. We reported three cases of community-acquired Acinetobacter pneumonia. All three cases had histories of regular home-brewed alcohol consumption presented with severe acute respiratory symptoms requiring ventilatory support and had low total white cell count. They succumbed to the illness within 2 to 10 days of admission. They had positive blood or endotracheal aspirate cultures of sensitive-strain Acinetobacter sp. which was only sensitive to high dose sulbactam. Early recognition and correct antibiotic can help reduce mortality.
    Matched MeSH terms: Community-Acquired Infections*
  15. Ahmad N, Ruzan IN, Abd Ghani MK, Hussin A, Nawi S, Aziz MN, et al.
    J Med Microbiol, 2009 Sep;58(Pt 9):1213-1218.
    PMID: 19528158 DOI: 10.1099/jmm.0.011353-0
    Community-acquired meticillin-resistant Staphylococcus aureus (CA-MRSA) occurring among hospital isolates in Malaysia has not been reported previously. As CA-MRSA reported worldwide has been shown to carry SCCmec types IV and V, the aim of this study was to determine the SCCmec types of MRSA strains collected in Malaysia from November 2006 to June 2008. From a total of 628 MRSA isolates, 20 were SCCmec type IV, whilst the rest were type III. Further characterization of SCCmec type IV strains revealed 11 sequence types (STs), including ST22, with the majority being ST30/Panton-Valentine leukocidin positive. Eight out of nine CA-MRSA were ST30, one was ST80, and all were sensitive to co-trimoxazole and gentamicin. Five new STs designated ST1284, ST1285, ST1286, ST1287 and ST1288 were discovered, suggesting the emergence of novel clones of MRSA circulating in Malaysian hospitals. The discovery of the ST22 strain is a cause for concern because of its ability to replace existing predominant clones in certain geographical regions.
    Matched MeSH terms: Community-Acquired Infections/microbiology*; Community-Acquired Infections/epidemiology
  16. Wang WC, Lin TY, Chiu SY, Chen CN, Sarakarn P, Ibrahim M, et al.
    J Formos Med Assoc, 2021 Jun;120 Suppl 1:S26-S37.
    PMID: 34083090 DOI: 10.1016/j.jfma.2021.05.010
    BACKGROUND: As Coronavirus disease 2019 (COVID-19) pandemic led to the unprecedent large-scale repeated surges of epidemics worldwide since the end of 2019, data-driven analysis to look into the duration and case load of each episode of outbreak worldwide has been motivated.

    METHODS: Using open data repository with daily infected, recovered and death cases in the period between March 2020 and April 2021, a descriptive analysis was performed. The susceptible-exposed-infected-recovery model was used to estimate the effective productive number (Rt). The duration taken from Rt > 1 to Rt 

    Matched MeSH terms: Community-Acquired Infections/classification
  17. Sam IC, Abdul-Murad A, Karunakaran R, Rampal S, Chan YF, Nathan AM, et al.
    Int J Infect Dis, 2010 Sep;14 Suppl 3:e36-40.
    PMID: 20153233 DOI: 10.1016/j.ijid.2009.10.005
    OBJECTIVES: The clinical impact of seasonal influenza is understudied in tropical countries. The aim of this study was to describe the clinical features and seasonal pattern of influenza in children hospitalized in Malaysia, and to identify predictors of severe disease.
    METHODS: Children hospitalized with community-acquired, laboratory-confirmed influenza at a teaching hospital in Kuala Lumpur, Malaysia during 2002-2007 were identified retrospectively. Clinical data were collected, and predictors of severe disease were identified by multivariate logistic regression. All influenza cases from 1982 to 2007 were also analyzed for seasonal patterns.
    RESULTS: A total of 132 children were included in the study, 48 (36.4%) of whom had underlying medical conditions. The mean age was 2.5 years and 116 (87.9%) were <5 years old. The most common presenting features were fever or history of fever, cough, rhinitis, vomiting, and pharyngitis. Severe influenza was seen in 16 patients (12.1%; nine previously healthy), including 12 (9.1%; eight previously healthy) requiring intensive care. There were three (2.3%) deaths. Severe disease was associated with age <12 months, female sex, and absence of rhinitis on admission. Influenza was seen year-round, with peaks in November-January and May-July.
    CONCLUSIONS: Seasonal influenza has a considerable impact on children hospitalized in Malaysia, in both the healthy and those with underlying medical conditions.

    Study site: University Malaya Medical Centre (UMMC)
    Matched MeSH terms: Community-Acquired Infections/diagnosis; Community-Acquired Infections/epidemiology; Community-Acquired Infections/virology
  18. Mohd R, Nesam T, Kamaruzaman L, Cader RA, Mustafar R, Kong WY
    Respir Med Case Rep, 2018;24:147-149.
    PMID: 29977783 DOI: 10.1016/j.rmcr.2018.05.019
    Acinetobacter baumannii is an aerobic Gram-negative coccobacillus that is associated with hospital acquired pneumonia. There is increased reporting of emergent cases of community acquired multidrug resistance (MDR) acinetobacter associated with a higher mortality due to antibiotic resistance. Community acquired MDR acinetobacter pneumonia has not been reported in Malaysia. Here we report a case of a 19-year-old army officer who presented with fever and respiratory symptoms for 5 days. He had no known medical illness before and no history of hospitalization. Upon arrival, he was in septicaemic shock, requiring invasive ventilator support and renal replacement therapy in intensive care unit. Chest radiograph showed bilateral lung consolidations and bronchoscopy revealed haemoserous and greenish bronchiole secretion. He was treated with broad spectrum antibiotics and oseltamivir. Unfortunately he died on day 3 of hospital admission. His bronchial lavage culture came back positive for MDR Acinetobacter baumannii. This case illustrates that clinicians need to be aware that MDR Acinetobacter baumannii can cause severe community acquired pneumonia. We may need to consider this diagnosis in patients who do not respond to standard therapy.
    Matched MeSH terms: Community-Acquired Infections
  19. Liam CK
    Med J Malaysia, 2005 Jun;60(2):249-65; quiz 266.
    PMID: 16114172
    Matched MeSH terms: Community-Acquired Infections/epidemiology
  20. Rashid ZZ, Bahari N, Othman A, Jaafar R, Mohamed NA, Jabbari I, et al.
    PMID: 23682444
    Abstract. Community-acquired methicillin-resistant Staphylococcus aureus (CA-MRSA) is a pathogen recognized to be distinct in both phenotype and genotype from hospital-acquired MRSA. We have identified CA-MRSA cases in Universiti Kebangsaan Malaysia Medical Centre, Kuala Lumpur, Malaysia, including their antibiotic susceptibility patterns and genotypic characteristics. Cases were identified during January to December 2009 from routine clinical specimens, where culture and antibiotic susceptibility results yielded pauci-resistant MRSA isolates suspected as being CA-MRSA. The patients' clinical data were collected and their specimens were sent for molecular confirmation and analysis. Five cases of CA-MRSA were identified, which had a multi-sensitive pattern on antibiotic susceptibility tests and were resistant to only penicillin and oxacillin. All cases were skin and soft-tissue infections, including diabetic foot with gangrene, infected scalp hematoma, philtrum abscess in a healthcare worker, thrombophlebitis complicated with abscess and infected bedsore. All five cases were confirmed MRSA by detection of mecA. SCCmec typing (ccr and mec complex) revealed SCCmec type IV for all cases except the infected bedsore case. Panton-Valentine leukocidin gene was positive in all isolates. As clinical features among methicillin-sensitive Staphylococcus aureus, CA-MRSA and "nosocomial CA-MRSA" are indistinct, early recognition is necessary in order to initiate appropriate antibiotics and infection control measures. Continual surveillance of pauci-resistant MRSA and molecular analysis are necessary in order to identify emerging strains as well as their epidemiology and transmission, both in the community and in healthcare setting.
    Matched MeSH terms: Community-Acquired Infections/microbiology*
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