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 ORIGINAL ARTICLE
Year : 2015  |  Volume : 33  |  Issue : 3  |  Page : 357-363

Intestinal microsporidiosis in renal transplant recipients: Prevalence, predictors of occurrence and genetic characterization


1 Department of Microbiology, Sanjay Gandhi Postgraduate Institute of Medical Sciences, Lucknow, Uttar Pradesh, India
2 Department of Nephrology, Sanjay Gandhi Postgraduate Institute of Medical Sciences, Lucknow, Uttar Pradesh, India
3 Department of Gastroenterology, Sanjay Gandhi Postgraduate Institute of Medical Sciences, Lucknow, Uttar Pradesh, India

Correspondence Address:
U Ghoshal
Department of Microbiology, Sanjay Gandhi Postgraduate Institute of Medical Sciences, Lucknow, Uttar Pradesh
India
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Source of Support: Indian Council of Medical Research, New Delhi., Conflict of Interest: None


DOI: 10.4103/0255-0857.158551

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Purpose: Intestinal microsporidiosis, which occurs in immunocompromised states such as acquired immunodeficiency syndrome, has rarely been studied in patients with renal transplantation (RT) on immunosuppressive therapy. Materials and Methods: Three hundred and twenty-four consecutive RT recipients on immunosuppressive treatment and 170 healthy subjects were evaluated for intestinal microsporidiosis and other parasites by modified trichrome staining, wet mount using normal saline, iodine and polymerase chain reaction (PCR). Clinical, demographic and laboratory parameters associated with occurrence of intestinal microsporidiosis were studied using univariate and multivariate analysis. The species of microsporidia were studied using PCR-restriction fragment length polymorphism (RFLP). Patients were treated with albendazole (400 mg twice daily for 2 weeks). Results: Of 324 RT recipients initially screened, 52 were excluded from final analysis due to incomplete data. Patients with RT [n = 272, age 42 ± 12.54 years, 222 (81.6%) male] more often had microsporidiosis than healthy subjects by modified trichrome stain and PCR [n = 170, age 33.8 ± 6.7 years, 123 (72.3%) male] [16/272 (5.8%) vs. 0/170 (0%), P < 0.001]. Patients with intestinal microsporidiosis were younger (33.9 ± 8.3 years vs. 42.3 ± 12.6 years; P = 0.009), had diarrhoea more often (13/16, 81% vs. 123/256, 48%; P = 0.02), which was longer in duration (60, 32.5-105 days vs. 12, 6.2-18 days; P < 0.001) and had associated giardiasis (2/16, 12.5% vs. 2/256, 0.8%; P = 0.018). Younger age, presence of diarrhoea and associated giardiasis were significant on multivariate analysis. Enterocytozoon bieneusi was detected in 15/16 (93%) patients with intestinal microsporidiosis. Conclusion: Intestinal microsporidiosis occurs frequently in patients with RT on immunosuppressive treatment, particularly among younger patients with longer diarrhoea duration and associated giardiasis. E. bieneusi is the major species identified among these patients.






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2004 - Indian Journal of Medical Microbiology
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