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  1. Ramli FF, Tg Abu Bakar Sidik TMI, Naina Mohamed I
    PMID: 32197338 DOI: 10.3390/ijerph17061993
    Sexual dysfunction has been extensively studied in methadone maintenance treatment (MMT) patients. However, little data is available regarding sexual inactivity in the MMT patient population. The objectives of this study were to determine the prevalence and putative risk factors for sexual inactivity in the MMT patient population. This cross-sectional study involved 25-71 year old MMT patients recruited from six methadone clinics. Two hundred and seventy-one patients were interviewed for demographic characteristics, comorbidities, concurrent medications used, and sexual activity. The prevalence of sexual inactivity in the MMT population was found to be 47.6%. Increasing age (p < 0.01) and being single/divorced (p < 0.01) were significantly associated with sexual inactivity. In subgroup analysis, increasing age was significantly associated with sexual inactivity in both single/divorced (p < 0.05) and married (p < 0.05) subgroups, while unemployment (p < 0.05) was only significantly associated with sexual inactivity in the earlier subgroup. Our results suggest that sexual inactivity is common in the MMT patient population. The putative risk factors are related to biological and sociocultural factors. Having specific comorbidities or being on certain medications were not correlated with sexual inactivity in the MMT population. Routine assessment of sexual problems is essential, and proper management should be performed for MMT patients.
  2. Ooi CH, Bujang MA, Tg Abu Bakar Sidik TMI, Ngui R, Lim YA
    Acta Trop, 2017 Dec;176:83-90.
    PMID: 28768148 DOI: 10.1016/j.actatropica.2017.07.027
    Malaria is still of great public health concern, especially in Malaysian Borneo. The aim of this study was to determine the trends of P. knowlesi infection in Sarawak, Malaysia and to forecast the incidence of P. knowlesi until the year 2040. Data on P. knowlesi malaria cases from 1992 to the year 2014 were obtained from the Sarawak Health Department, Malaysia. ARIMA model was applied to forecast the future incidence of P. knowlesi infection. The data for the whole of Sarawak and subsequently the selected six districts which have high incidence rates of P. knowlesi infection were analyzed. Results of the analysis showed that there was an increasing trend of P. knowlesi cases from the year 1992-2014 (p<0.001). The trend in the incidence started to increase in the year 2008 (p=0.029). The incidence rate per 100,000 populations was between 4.15 in the year 1992 and 42.03 in the year 2014. High incidence of P. knowlesi infections has been detected in the districts adjacent to each other within the interior region of Sarawak. The forecasted incidence and incidence rate per 100,000 populations in the year 2020 were 1229 and 44.04, respectively, while those in the year 2040 were 2056 and 62.91, respectively. The forecasted incidence showed an upward trend highlighting an urgent need to draw up strategic and holistic prevention plans to limit further the increase in P. knowlesi morbidity and mortality in Sarawak. It is imperative that these measures are customized taking into consideration the challenges faced in the interior areas of Sarawak and the behavior of the main vector of P. knowlesi (i.e., An. latens) in Sarawak.
  3. Ramli FF, Shuid AN, Pakri Mohamed RM, Tg Abu Bakar Sidik TMI, Naina Mohamed I
    PMID: 31683816 DOI: 10.3390/ijerph16214249
    Background: Erectile dysfunction (ED) is commonly associated with methadone usage. However, little data is known regarding the health-seeking behavior for ED in the methadone maintenance treatment (MMT) population. This study aimed to determine the health-seeking behavior of MMT patients with ED who perceived themselves as having ED. We aimed to assess the attitudes and health-seeking behavior, the effectiveness of the treatment and the factors associated with treatment-seeking behavior. Methods: This was an observational questionnaire-based study. Patients were first screened for ED (n = 154) using the International Index of Erectile Function-5 (IIEF-5). Fifty patients with ED were evaluated for health-seeking behavior for ED. Results: More than half of the patients who thought they had ED (78%) believed their sex life was affected. Most patients (48%) did not seek any information regarding ED. Education level (p = 0.017) and marital status (p = 0.008) were predictive factors of health-seeking behavior. Conclusions: The health-seeking rate among MMT patients with ED needs to be improved. Measures to increase awareness of ED in MMT patients should be taken to overcome the barrier to health-seeking behavior. Health practitioners should take action to screen ED in this population to increase the detection rate and offer appropriate management according to the patients' needs.
  4. Lau CL, Neoh HM, Periyasamy P, Tg Abu Bakar Sidik TMI, Tan TL, Ramli R, et al.
    Front Cell Infect Microbiol, 2024;14:1429830.
    PMID: 39512590 DOI: 10.3389/fcimb.2024.1429830
    BACKGROUND: Antimicrobial resistance (AMR) can lead to fatal consequences. AMR genes carriage by phenotypically susceptible bacteria, such as Extended-Spectrum β-Lactamases (ESBL)s in Enterobacteriaceae, have potential implications for AMR spread and therapeutic outcomes. This phenomenon should be investigated.

    METHODS: Positive blood cultures from hospitalized patients in a Malaysian tertiary center between April 2022 and March 2023 were reviewed. A total of 137 clinical isolates of Escherichia coli (E.coli), Klebsiella pneumoniae (K.pneumoniae), and Klebsiella oxytoca were included. The antibiotic susceptibility and ESBL phenotypes were determined by disk diffusion method and the identification of genotypes by multiplex polymerase chain reaction. The clinical characteristics and outcome information were extracted by reviewing patients' medical records to evaluate the clinical significance of the ESBL genotype-positive but phenotype-negative isolates in bacteremia.

    RESULTS: All 137 isolates were positive for at least one genotype (bla CTX-M, n = 71, 51.8%; bla SHV, n = 87, 63.5%; bla TEM, n = 95, 69.3%; bla OXA-1, n = 38, 27.7%). While bla CTX-M was proportionately higher in the ESBL phenotype-positive isolates than ESBL phenotype-negative isolates (33/37, 89.2% vs 38/100, 38%; p < 0.001), more than half of those harboring bla CTX-M remained susceptible to third-generation cephalosporins (3GC). The sensitivity (Sen) of bla CTX-M for ESBL phenotypes prediction was 89.19% (95% confidence interval [CI], 74.58 - 96.97%); however, specificity (Sp) was low (46.47%; 95% CI 39.75 - 53.32). The patient characteristics were similar among 98 ESBL phenotype-negative cases, except that the non-bla CTX-M carrier group had significantly more renal impairment (0/37 vs 7/61, p = 0.043) and gastrointestinal sources of bacteremia (9/37 vs 27/61, p = 0.047). No differences were observed in infection severity, in-hospital mortality, and length of stay (LOS) between the bla CTX-M and non-bla CTX-M carrier groups.

    CONCLUSION: The current study provides insight into the gene carriage in E.coli and Klebsiella species clinical isolates, including bla CTX-M genotypes in antibiotic-susceptible strains from a Malaysian hospital. The ESBL encoding genotypes such as bla CTX-M presented substantially beyond one-third of the ESBL phenotype-negative or 3GC susceptible E.coli and K.pneumoniae isolated from bloodstream infection. Although clinical outcomes were not worsened with bla CTX-M genotype-positive but ESBL phenotype-negative isolates in bacteremia, the potential implications for AMR spread deserve further investigation.

  5. Muhammad Ismail Tadj NB, Ibrahim NI, Tg Abu Bakar Sidik TMI, Zulfarina MS, Haji Mohd Saad Q, Leow SS, et al.
    Front Pharmacol, 2023;14:1190663.
    PMID: 37484009 DOI: 10.3389/fphar.2023.1190663
    Introduction: Oil palm phenolic (OPP) is an antioxidant aqueous palm oil by-product and contains a high amount of phenolics. OPP has been proven to have many therapeutical benefits, and one of them is as an antihyperlipidemic agent. The previous phase 1 clinical trial proved OPP was safe to be orally consumed by healthy volunteers and yielded a good lipid profile. Thus, this phase 2 clinical trial was conducted to determine the effectiveness of OPP in improving the lipid profile among hyperlipidemic subjects. Methods: A parallel, placebo-controlled, randomized, double-blinded clinical trial was conducted for 2 months on 50 hyperlipidemic subjects aged 20-50 years old. The subjects were randomly distributed to two treatment arms with 25 participants each: control/placebo (11 males and 14 females) and 250 mg of OPP (10 males and 15 females). The subjects were required to consume one capsule per day for 60 days. Fasting blood sampling for routine blood profile (hematology, liver function, renal function, and lipid) analysis and a medical examination were conducted at baseline, day 30, and day 60. t-test analysis was used to compare the difference between two test groups. Results: The baseline lipid profile between control group (TC, 5.78 ± 0.52 mmol/L; LDL, 3.88 ± 0.51 mmol/L; HDL, 1.30 ± 0.25; TG, 1.30 ± 0.82), and 250 mg OPP (TC, 5.76 ± 0.54 mmol/L; LDL, 3.82 ± 0.59 mmol/L; HDL, 1.37 ± 0.34; TG, 1.25 ± 0.54) is insignificant. No serious adverse events (SAEs) were reported. No abnormality in fasting blood parameters in all groups was found. Compared to the control group among male participants, the 250 mg OPP group showed an improved serum triglyceride level. There were no statistically significant changes in all blood parameters from day 1 to day 60 with the exception of triglyceride level. Conclusion: The absence of SAEs reported and no abnormal findings in biochemistry and hematology results suggested that the 250 mg OPP was safe to be taken by hyperlipidemic patients with a high probability of reducing triglyceride level in hyperlipidemic male patients The outcomes from this phase II trial suggest that by incorporating OPP supplements into the diet may be a promising strategy for individuals with hyperlipidemia to improve their lipid profiles and reduce cardiovascular risk. However, more research is needed to fully understand the mechanisms of action and establish the long-term efficacy and safety of OPP supplementation in larger scale. Limitation: Small samples size hence lack of diversity (25 subjects per groups) and early sharing of treatment-response results. Clinical Trial Registration: clinicaltrials.gov, identifier NCT04573218.
  6. Jamaluddin NAH, Periyasamy P, Lau CL, Ponnampalavanar S, Lai PSM, Loong LS, et al.
    Front Pharmacol, 2024;15:1381843.
    PMID: 38720771 DOI: 10.3389/fphar.2024.1381843
    Objectives: This study sought to investigate the quality of antimicrobial prescribing among adult surgical inpatients besides exploring the determinants of non-compliance and inappropriate prescribing to inform stewardship activities. Methods: A cross-sectional point prevalence study employing Hospital National Antimicrobial Prescribing Survey (Hospital NAPS) was conducted in April 2019 at two teaching hospitals in Malaysia. Results: Among 566 surgical inpatients, 44.2% were receiving at least one antimicrobial, for a total of 339 prescriptions. Antimicrobials belonging to the World Health Organization's Watch group were observed in 57.8% of cases. Both hospitals exhibited similar types of antimicrobial treatments prescribed and administration routes. A significant difference in antimicrobial choice was observed between hospitals (p < 0.001). Hospital with electronic prescribing demonstrated better documentation practice (p < 0.001). Guidelines compliance, 32.8% (p = 0.952) and appropriateness, 55.2% (p = 0.561) did not significantly differ. The major contributors of inappropriateness were incorrect duration, (15%) and unnecessary broad-spectrum coverage, (15.6%). Non-compliance and inappropriate prescribing were found to be 2 to 4 times significantly higher with antimicrobial prophylaxis prescription compared to empirical therapy. Conclusion: Antimicrobial stewardship efforts to improve appropriate surgical prescribing are essential. These initiatives should prioritize surgical prophylaxis prescribing, focusing on reducing unnecessarily prolonged use and broad-spectrum antimicrobials, raising awareness among prescribers and promoting proper documentation.
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