Browsing by Author "Tamang, Basanta"
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Publication Antibiotic Susceptibility and Biofilm Production among Coagulase Negative Staphylococci Isolated from Clinical Samples at Tertiary Care Hospital(Nepal Health Research Council, 2023) Shah, Pradeep Kumar; Bhandari, Niru; Tamang, Basanta; Joshi, Rajendra DAbstract Background: Coagulase Negative Staphylococci have been widely associated with medical device implant treatment and immune-compromised patients. Despite having increasing interest in Coagulase Negative Staphylococci, few studies from Nepal have reported the association of these organisms with urinary tract infections, conjunctivitis, high vaginal swabs, and cerebrospinal fluid. This study was carried out to determine antibiotic susceptibility pattern and biofilm production among Coagulase Negative Staphylococci isolated from clinical samples at tertiary care hospital. Methods: This study was a hospital based cross-sectional study in which 3690 clinical samples were included. Isolation and identification of isolates was done following standard microbiological protocol. Coagulase Negative Staphylococci were identified phenotypically on the basis of gram staining, slide and tube coagulase test and by various sugar fermentation tests. Antibiotic susceptibility test was done following Kirby Bauer disk diffusion method (Clinical and Laboratory Standards Institute 2020). Biofilm production was determined by Tissue Culture Plate technique. Results: A total of 113 isolates of Coagulase Negative Staphylococci were detected. Among them S. epidermidis (45.1%), S. saprophyticus (23.9%), S. haemolyticus (16.8%), S. hominis (5.3%), S. capitis (2.7%), S. cohini (1.8%), S. lugdunensis (1.8%) and S. sciuri (2.7%) were identified phenotypically. All isolates were found to be resistant against Ampicillin and 111 (98.2%) were sensitive against Linezolid.23.9% of CoNS were strong biofilm producers, 19.5% moderate and 56.6 % were non/weak biofilm producers. Conclusions: It requires susceptibility test for prescribing antibiotics against Coagulase Negative Staphylococci in hospital and the misuse of antibiotics should be prevented. Keywords: Clinical samples, CoNS, antibiotic susceptibility, biofilmPublication Dengue among Patients Visiting Department of Medicine in a Secondary Care Centre: A Descriptive Cross-sectional Study(Nepal Medical Association, 2023) Tamang, Basanta; Basnet, Ajaya; Khadka, Sudip; Joshi, Pramod; Jha, Roshan Kumar; Joshi, Rijuta; Rai, Shiba KumarAbstract Introduction: Dengue, caused by the dengue virus, has a wide range of clinical features, including fever, body ache, lethargy, nausea, and vomiting. Blood-based biomarkers in patients with dengue virus infection reflect a variety of clinical spectrums, from bleeding manifestations to liver abnormalities, and can serve as an essential tool for clinicians. This study aimed to determine the prevalence of dengue among patients visiting the Outpatient Department in a secondary care centre. Methods: A descriptive cross-sectional study was conducted among patients visiting the Outpatient Department from 16 May 2022 to 15 November 2022. Ethical approval was obtained from the Institutional Review Committee (Reference number: 20790202). The socio-demographic details and biochemical and haematological findings of dengue virus-infected patients diagnosed with rapid diagnostic tests were collected. Convenience sampling was done. Point estimate and 95% Confidence Interval were calculated. Results: Out of 706 individuals, the prevalence of dengue was 83 (11.76%) (9.38-14.14, 95% Confidence Interval). The median age of dengue virus-infected patients was 40 years, and the majority were males 54 (65.06%). Conclusions: The prevalence of dengue was found to be lower than in other studies done in similar settings.Publication Role of Tocilizumab in the Treatment of COVID-19 Patients with Cytokine Storm: A Case Series(Nepal Medical Association, 2022) Basnet, Ajaya; Shrestha, Mahendra Raj; Thapa, Rossu; Tamang, Basanta; Shrestha, Apurba; Rawal, Prabhat; Shrestha, Sailendra Kumar Duwal; Karki, Lochan; Rai, Shiba KumarAbstract The in-hospital mortality in patients with COVID-19 could be correlated with severe acute respiratory syndrome coronavirus-2 induced hyper-inflammation, which is attributed to an unconstrained inflammatory cytokine storm. The pro-inflammatory cytokine, specifically, interleukin-6 plays a prominent role in the cytokine storm and may result in alveolar-capillary blood-gas exchange dysfunction. Therefore, the method to block the signal transduction pathway of interleukin-6 could be a potential treatment for severe COVID-19 patients. In this case series of three patients with severe COVID-19, we focus on the rationale for utilization of tocilizumab, an anti-interleukin-6 receptor antibody, which could block the signal transduction pathway of interleukin-6. The observations from this study allowed us to hypothesize that the infusions of tocilizumab may not reduce the elevated level of interleukin-6, and hence may not be a significant therapeutic for reducing in-hospital mortality associated with COVID-19. Additionally, it could also be speculated that interleukin-6 may not be a potentially actionable target cytokine to treat COVID-19-associated cytokine storms.