Rapid identification of Candida isolates to the species level is essential in order to optimize the antifungal treatment. This study aimed to isolate and identify different species of Candida from various clinical specimens and to evaluate the use of chromogenic agar media as primary culture media for culture of Candida as well as for rapid identification of Candida species. A total of 100 different clinical specimens were studied (oral swab 35, high vaginal swab 28, catheterized urine 15, nail 14, bronchoalveolar lavage 04 and peritoneal fluid 04). Isolation of Candida species was done by primary culture in Sabouraud Dextrose Agar (SDA). Subsequent identification of species was performed by germ tube test, carbohydrate assimilation test (with commonly used twelve sugars) and subculture in chromogenic agar medium. Out of 64 isolated Candida, C. albicans 33 (51.53%) was the most predominant Candida species followed by C. tropicalis 17 (26.56%). The species of C. glabrata was 4 (6.25%), C. parapsilosis 4 (6.25%), C. krusei 3 (4.68%) and C. guilliermondii 2 (3.2%). One of the isolated Candida species was unidentified. The sensitivity and specificity of chromogenic agar media for C. albicans were as 96.97% and 96.87% respectively. The sensitivity and specificity for C. tropicalis were 94.12% and 97.87% respectively. C. krusei and C. glabrata both showed 100% sensitivity and specificity on chromogenic agar media. Efficacy of chromogenic agar media is nearly similar to carbohydrate assimilation method in species identification of Candida.
<p><strong>Background:</strong> Urinary tract infection (UTI) remains one of the most common and major complications after renal transplantation. <strong>Objective:</strong> The study was undertaken to get an insight regarding the bacterial pathogen which is responsible for UTI in post renal transplant patients and their risk factors association. Methods: This was an observational study, conducted in the Department of Microbiology and Immunology Bangabandhu Sheikh Mujib Medical University (BSMMU) from December 2010 to December 2011. Twenty- one renal transplant recipients were evaluated for UTl after surgery up to six weeks. Microscopic examination and culture of urine were performed in every pre-transplant period, 3rd POD, 7th POD, within six weeks and as per patient's clinical condition. UTI was considered when bacterial count was</p>
Pityriasis versicolor is a chronic, superficial fungal infection affecting the superficial layer of a stratum corneum. Malassezia furfur is the major species involved in pityriasis versicolor. Currently many researchers reported increase in the incidence of other species as a causative agent of pityriasis versicolor. Isolation and identification of Malassezia species from suspected Pityriasis versicolor patients was conducted in the Department of Microbiology and immunology Bangabandhu Sheikh Mujib Medical University (BSMMU) from September 2013 to August 2014. Ninety two clinically diagnosed patients of Pityriasis versicolor were studied and samples from skin lesion were processed for direct microscopy and culture. Species of Malassezia were identified by cultural characteristics in Dixon's agar media by macro and microscopic observation of the colonies and by catalase test, urease test, esculin test and tween assimilation test. A totalof 92 cases 70(70.08%) were positive by direct microscopy and 50(54.34%) were positive by culture. Malassezia globosa was found in 38(76%) cases as the commonest etiological agent and Malassezia furfur was found in 10(20%) cases and Malassezia obtusa in 2 (4%) cases respectively.
not available Bangladesh J Med Microbiol 2020; 14 (1): 20-21
Abstract:Urinary tract infection (UTI) is the most common infectious complications after renal transplantation. Recently many researchers reported that the bacterial agents of UTI in renal allograft recipients changed and demonstrated increased antimicrobial resistance to commonly used cephalosporins. This study was undertaken to isolate the bacteria which are responsible for UTI and their susceptibility pattern for appropriate antibiotic therapy in renal allograft recipients. This was an observational study conducted in the Department of Microbiology Bangabandhu Sheikh Mujib Medical University (BSMMU) from December 2010 to 2011. Twenty one renal allograft recipients from Department of Nephrology were evaluated for UTI after surgery up to six weeks. Microscopic examination, culture and sensitivity of urine specimen were performed. Out of 21 renal allograft recipients, 13(61.90%) patients developed UTI during initial post transplant period. Of 69 urine specimens collected from them 22(31.88%) yielded positive results for culture. Enterococcus spp. (50%) was the major bacterial pathogen isolated and showed 100% resistance to Cefuroxime, Ceftriaxone and Ceftazidime. Enterococcus spp. is an emerging pathogen responsible for development of UTI in renal allograft recipients which showed 100% resistance to 2nd and 3rd genaration cephalosporin group.
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