Displaying publications 21 - 40 of 54 in total

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  1. 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*
  2. Poh KW, Cheok LH, Liow JH, Mat Soom MA, Azlina S, Nadiah MN, et al.
    Med J Malaysia, 2020 01;75(1):7-11.
    PMID: 32008012
    OBJECTIVES: The primary objective of this study was to describe the accuracy of pneumonia diagnosis, both community-acquired pneumonia (CAP) and hospitalacquired pneumonia (HAP). Secondary objectives were describing the choice of antibiotics used, pathogens isolated, and predictive parameters in diagnosing pneumonia.

    METHODS: This was a prospective cross-sectional study to determine the accuracy of the diagnosis of CAP and HAP admitted to Hospital Tuanku Ja'afar. All patients aged ≥12 years admitted to the general medical ward with the diagnosis of CAP or HAP were included in the study. Chest radiograph interpretation was done by certified radiologists. An accurate diagnosis of pneumonia was defined by clinical signs and symptoms of pneumonia supported by radiographical evidence.

    RESULTS: A total of 159 patients were enrolled into the study from January 2018 to February 2018. Of these only 59(37.1%) cases were accurately diagnosed as pneumonia. Amongst those with pneumonia diagnosis made by the emergency department, medical officers and specialists of medical department; 65.4%, 60% and 47.3% respectively were not pneumonia. Amoxicillin with clavulanate and azithromycin were amongst the most common first choice of antibiotic used (46.5%). In this study, pathogens were isolated either by blood culture or sputum culture in only 20 (12.6%) patients. There was no significant predictive parameter identified in this study, which included white cell counts, Creactive protein (CRP) levels, erythrocyte sedimentation rate (ESR), and Pao2/FiO2 ratio.

    CONCLUSION: About two-thirds of patients diagnosed with pneumonia did not have a compatible radiological finding. Better tools and systems are needed to aid in the diagnosis of pneumonia.

    Matched MeSH terms: Community-Acquired Infections/diagnosis*
  3. Ang CS, Kelvin Beh KM, Yeang LJ, Chin YQ, Khor IS, Yoon CK, et al.
    Med J Malaysia, 2020 07;75(4):385-390.
    PMID: 32723999
    INTRODUCTION: Pneumonia continues to be as one of the top causes of hospitalisations and deaths in Malaysia despite the advancement in prevention and treatment of pneumonia. One of the possible explanations is the frequent misdiagnosis of pneumonia which had been reported elsewhere but such data is not available locally.

    OBJECTIVES: This is an audit project aiming to evaluate the proportion of misdiagnosis among hospitalised communityacquired pneumonia (CAP) patients in the Respiratory wards of Penang General Hospital based on their initial presentation data, and their associated outcomes.

    METHODS: We reviewed the medical notes and initial chest radiographs of 188 CAP patients who were admitted to respiratory wards. Misdiagnosis was defined as cases which lack suggestive clinical features and/or chest radiograph changes. In-hospital mortality and length of stay (LOS) were the outcomes of interest.

    RESULTS: The study found that 38.8% (n=73) of the hospitalised CAP patients were misdiagnosed. The most common alternative diagnosis was upper respiratory tract infection (32.8%, n=24). There was no statistical difference between misdiagnosis and CAP patients in the demographic and clinical variables collected. In terms of outcomes, misdiagnosed patients were discharged earlier (mean LOS= 3.5±3.28 days vs. 7.7±15.29 days, p=0.03) but the in-hospital mortality difference was not statistically significant (p=0.07).

    CONCLUSIONS: One third of our CAP admissions were misdiagnosed. Although initial misdiagnosis of CAP in our study did not show any increase in mortality or morbidity, a proper diagnosis of CAP will be helpful in preventing inappropriate prescription of antibiotics and unnecessary admission.

    Matched MeSH terms: Community-Acquired Infections/diagnosis*
  4. Dhanoa A, Fatt QK
    PMID: 19445730 DOI: 10.1186/1476-0711-8-15
    Non-typhoidal Salmonella (NTS) is increasingly recognized as an important pathogen associated with bacteraemia especially in immunosuppressed patients. However, there is limited data specifically describing the clinical characteristics and outcome amongst the immunosuppressed patients.
    Matched MeSH terms: Community-Acquired Infections/microbiology; Community-Acquired Infections/mortality; Community-Acquired Infections/epidemiology; Community-Acquired Infections/pathology
  5. 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
  6. 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*
  7. 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
  8. Subakir H, Chong YM, Chan YF, Hasan MS, Jamaluddin MFH, Pang YK, et al.
    J Med Microbiol, 2020 Jan;69(1):49-51.
    PMID: 31750812 DOI: 10.1099/jmm.0.001108
    Introduction.Burkholderia pseudomallei (melioidosis) is an important cause of community-acquired pneumonia (CAP) in the tropics. Selective medium is recommended for laboratory diagnosis with non-sterile respiratory samples, while PCR is not routinely used due to variable reported performance. The effectiveness of these diagnostic modalities varies by site.Aim. To compare selective media and real-time PCR (qPCR) with routine media in detecting B. pseudomallei in CAP respiratory samples in a low-incidence setting in Kuala Lumpur, Malaysia.Methodology. Respiratory samples were routinely cultured on blood, chocolate and MacConkey agar (RESP-ROUTINE), and compared to culture on selective Ashdown medium (RESP-SELECTIVE) and qPCR. The gold standard was routine culture of B. pseudomallei from any site (ALL-ROUTINE).Results.B. pseudomallei was detected in 8/204 (3.9 %) samples. Overall sensitivity rates differed (P=0.03) for qPCR (100%), RESP-SELECTIVE (87.5%) and RESP-ROUTINE (50%). There was a trend towards lower median days to positive culture for RESP-SELECTIVE (1 day) compared to RESP-ROUTINE (2 days, P=0.08) and ALL-ROUTINE (2 days, P=0.06). Reagent costs for each additional detection were USD59 for RESP-SELECTIVE and USD354 for PCR.Conclusions. In a low-incidence setting, selective culture of respiratory samples on Ashdown was more sensitive and allowed quicker identification than routine media, at reasonable cost. Blood cultures are critical, confirming four cases missed by routine respiratory culture. Selective medium is useful in early pneumonia (pre-sepsis) and resource-limited settings where blood cultures are infrequently done. Real-time PCR is costly, but highly sensitive and useful for high-risk patients with diabetes, cancer or immunosuppressants, or requiring ventilation or intensive care.
    Matched MeSH terms: Community-Acquired Infections/diagnosis; Community-Acquired Infections/epidemiology
  9. 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
  10. Sit PS, Teh CS, Idris N, Sam IC, Syed Omar SF, Sulaiman H, et al.
    BMC Infect Dis, 2017 04 13;17(1):274.
    PMID: 28407796 DOI: 10.1186/s12879-017-2384-y
    BACKGROUND: Methicillin-resistant Staphylococcus aureus (MRSA) is an established pathogen that causes hospital- and community-acquired infections worldwide. The prevalence rate of MRSA infections were reported to be the highest in Asia. As there is limited epidemiological study being done in Malaysia, this study aimed to determine the prevalence of MRSA infection and the molecular characteristics of MRSA bacteraemia.

    METHODS: Two hundred and nine MRSA strains from year 2011 to 2012 were collected from a tertiary teaching hospital in Malaysia. The strains were characterized by antimicrobial susceptibility testing, staphylococcal cassette chromosome mec (SCCmec) typing, detection of Panton-Valentine leukocidin (PVL) gene, multilocus sequence typing (MLST) and pulsed-field gel electrophoresis (PFGE). Patient's demographic and clinical data were collected and correlated with molecular data by statistical analysis.

    RESULTS: Male gender and patient >50 years of age (p 

    Matched MeSH terms: Community-Acquired Infections/microbiology; Community-Acquired Infections/epidemiology
  11. 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
  12. Liam CK, Pang YK, Poosparajah S
    Respirology, 2006 Nov;11(6):786-92.
    PMID: 17052309
    The aims of this study were to investigate the frequency of Mycobacterium tuberculosis as a cause of community-acquired pneumonia (CAP) requiring hospitalization in Malaysia, and to define the clinical features of pulmonary tuberculosis (PTB) that distinguish it from non-TB CAP.
    Matched MeSH terms: Community-Acquired Infections/diagnosis; Community-Acquired Infections/epidemiology; Community-Acquired Infections/radiography
  13. 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*
  14. Sheam MM, Syed SB, Nain Z, Tang SS, Paul DK, Ahmed KR, et al.
    J Chemother, 2020 Dec;32(8):395-410.
    PMID: 32820711 DOI: 10.1080/1120009X.2020.1807231
    Bacteria are the most common aetiological agents of community-acquired pneumonia (CAP) and use a variety of mechanisms to evade the host immune system. With the emerging antibiotic resistance, CAP-causing bacteria have now become resistant to most antibiotics. Consequently, significant morbimortality is attributed to CAP despite their varying rates depending on the clinical setting in which the patients being treated. Therefore, there is a pressing need for a safe and effective alternative or supplement to conventional antibiotics. Bacteriophages could be a ray of hope as they are specific in killing their host bacteria. Several bacteriophages had been identified that can efficiently parasitize bacteria related to CAP infection and have shown a promising protective effect. Thus, bacteriophages have shown immense possibilities against CAP inflicted by multidrug-resistant bacteria. This review provides an overview of common antibiotic-resistant CAP bacteria with a comprehensive summarization of the promising bacteriophage candidates for prospective phage therapy.
    Matched MeSH terms: Community-Acquired Infections
  15. MyJurnal
    Pneumonia continues to a disease of potentially high morbidity and mortality, sparing no children or healthy adults. Over the years, clinical practice guidelines and institution-initiated management protocols have been introduced with the intention of improving outcomes by ensuring appropriate assessment and management of pneumonia. Correct assessment of pneumonia type and severity will lead to appropriate course of action. This is especially true when deciding whether the patient can be treated at home and the type of empiric antibiotic(s) that should be prescribed. The latter has a strong evidence-base when examined in the light of clinical practice guidelines. Non-guideline adherent empiric antibiotic regimes used in hospitalized community acquired pneumonia (CAP) are adversely associated with time to clinical stability, time to switch therapy, length of hospital stay, hospital survival and hospital re-admission rates. Our own local study on hospitalized patients with Klebsiella pneumoniae pneumonia, a highranking community-acquired organism in Malaysia, also testified to the association of adverse hospital outcomes with inappropriate choice of empiric antibiotic(s). (Copied from article).
    Matched MeSH terms: Community-Acquired Infections
  16. Mazlan MZ, Ali S, Zainal Abidin H, Mokhtar AM, Ab Mukmin L, Ayub ZN, et al.
    Respir Med Case Rep, 2017;21:161-163.
    PMID: 28560149 DOI: 10.1016/j.rmcr.2017.05.002
    INTRODUCTION: Non-invasive ventilation (NIV) is not proven to be effective in treating respiratory failure in severe pneumonia. However, some clinicians nevertheless attempt NIV to indirectly deliver adequate oxygenation and avoid unnecessary endotracheal intubation.

    CASE PRESENTATION: In this article, we report the case of a 24-year-old woman at 32 weeks' gestation who presented with hypoxemic respiratory failure requiring mechanical ventilation. She was successfully managed by NIV.

    DISCUSSION: However, NIV must be managed by providers who are trained in mechanical ventilation. This is of the utmost importance in avoiding any delay should the patient's condition worsen and require endotracheal intubation. Moreover, in pregnant women, the severity of illness may progress quickly due to the immunosuppression inherent in these patients.

    CONCLUSION: Special attention should be given to the choices of invasive ventilation and NIV to manage community acquired pneumonia patients in third trimester.

    Matched MeSH terms: Community-Acquired Infections
  17. 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*
  18. Yasin RM, Zin NM, Hussin A, Nawi SH, Hanapiah SM, Wahab ZA, et al.
    Vaccine, 2011 Aug 5;29(34):5688-93.
    PMID: 21723357 DOI: 10.1016/j.vaccine.2011.06.004
    From January 2008 to December 2009, 433 Streptococcus pneumoniae strains were examined to determine the serotype distribution and susceptibility to selected antibiotics. About 50% of them were invasive isolates. The strains were isolated from patients of all age groups and 33.55% were isolated from children below 5 years. The majority was isolated from blood (48.53%) and other sterile specimens (6.30%). Community acquired pneumonia (41.70%) is the most common diagnosis followed by sepsis (9.54%). Serotyping was done using Pneumotest Plus-Kit and antibiotic susceptibility pattern was determined by modified Kirby-Bauer disk diffusion method and measurement of minimum inhibitory concentration (MIC) using E-test strip. Ten most common serotypes were 19F (15.02%), 6B (10.62%), 19A (6.93%), 14 (6.70%), 1 (5.08%), 6A (5.08%), 23F (4.85%), 18C (3.93%), 3 (2.08%) and 5 (1.85%). Penicillin MIC ranged between ≤ 0.012-4 μg/ml with MIC₉₀ of 1 μg/ml. Penicillin resistant rate is 31.78%. The majority of penicillin less-susceptible strains belonged to serotype 19F followed by 19A and 6B. Based on the serotypes distribution 22 (44.00%), 28 (56.00%) and 39 (78.00%) of the invasive isolates from children ≤ 2 years were belonged to serotypes included in the PCV7, PCV10 and PCV13, respectively.
    Matched MeSH terms: Community-Acquired Infections/microbiology
  19. Neela V, Sasikumar M, Ghaznavi GR, Zamberi S, Mariana S
    PMID: 19058585
    Methicillin-resistant Staphylococcus aureus (MRSA), an established nosocomial and emerging community pathogen associated with many fatalities due to its hyper-virulence and multiple drug resistant properties, is on the continuous rise. To update the current status on the susceptibility of local MRSA isolates to various classes of antibiotics and to identify the most potent antibiotics, thirty-two clinical isolates comprised of hospital acquired (HA) and community acquired (CA) infections were investigated by disk diffusion test. Of the 32 MRSA isolates, 14 (43.75%) and 18 (56.25%) were community and hospital acquired MRSA, respectively. All isolates were multiple drug resistant to more than 3 classes of antibiotics despite the source or specimen from which it was isolated. The oxacillin MICs for all isolates ranged from 2 to > or = 256 microg/ml. Twenty-five of 26 erythromycin-resistant MRSA isolates exhibited an inducible MLS(B) resistance phenotype while one showed an MS phenotype. More than half the isolates (68.75%) were resistant to at least one of the six aminoglycosides tested, with netilmicin as the most susceptible. The most effective antistaphylococcal agents were linezolid, vancomycin, teicoplanin and quinupristin/dalfopristin exhibited 100% susceptibility. Since MRSA is under continuous pressure of acquiring multiple drug resistance, it is imperative to focus routine surveillance on HA and CA-MRSA strains to monitor and limit the spread of this organism.
    Matched MeSH terms: Community-Acquired Infections/microbiology
  20. Liam CK, Aziah AM, Lim KH, Wong CMM
    Med J Malaysia, 2000 Sep;55(3):304-7.
    PMID: 11200708
    Forty patients were treated with ofloxacin for community acquired lower respiratory tract infections. Eighteen pathogens were isolated in sputum; Streptococcus pneumoniae (4) and Haemophilus influenzae (4) were the most common, followed by Klebsiella pneumoniae (3), Klebsiella spp. (2), Staphylococcus anreus (2), Pseudomonas spp. (2), and Pseudomonas aeruginosa (1). Ofloxacin 200 mg every 12 hours was administered for an average of 3.7 days intravenously followed by 5.4 days orally. Response to therapy was judged to be cure in 38 (95%; 95% C.I., 85%-95%) patients, failure in one (2.5%) and "indeterminate" in one (2.5%).
    Matched MeSH terms: Community-Acquired Infections/drug therapy*
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