Frequencies of Common Infectious Organisms Causing Chronic Diarrhea in Renal Transplant Patients.

Journal: 2019/February - Experimental and Clinical Transplantation

ISSN: 2146-8427

DOI: 10.6002/ect.MESOT2018.P69

Abstract:

Gastrointestinal complications are common in kidney transplant patients, with the most frequent being diarrhea (60%). Chronic diarrhea affects the patient's quality of life, causes fatigue and weight loss and malabsorption, increases the number of hospitalizations, increases serum creatinine levels, and causes alterations in immunosuppressive drug levels. Diarrhea is also associated with an increased risk of graft failure and death. In this study, we aimed to determine the frequencies of common infectious organisms causing chronic diarrhea in renal transplant patients.Our study included 124 renal transplant patients who presented with chronic diarrhea over a 6-month period at the Sindh Institute of Urology and Transplantation Department tertiary care hospital (Karachi, Pakistan). Stool analysis was performed in all transplant recipients. Upper and lower gastrointestinal endoscopy was also performed in patients with chronic diarrhea, and biopsy specimens underwent histopathologic evaluations.Of 124 renal transplant recipients, 29 were female (23.4%) and 95 were male (76.6%). Giardia was the most common organism found (n = 37 patients; 29.8%) followed by Cryptosporidium (n = 36; 29.0%), Entameba histolytica (n = 29; 23.4%), tuberculosis (n = 14; 11.3%), and sprue (n =8; 6.5%). The mean duration since renal transplant was 78.5 ± 63.37 months. Although not statistically significant, the frequency of diarrhea was higher in patients who had transplant procedures ≥ 2 years previously.Chronic diarrhea is prevalent in renal transplant patients irrespective of age, sex, and duration since transplant. Giardiasis and Cryptosporidium species infections are important causes of chronic diarrhea, but other causative factors need to be further studied, including comorbid conditions and immunosuppressive agents.

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