RESUMEN
In this retrospective study, records of Iranian Hajj pilgrims who were hospitalized in 2 Iranian hospitals in Mecca and Medina, Saudi Arabia, from 2005 to 2007, were reviewed of 600 patients who were hospitalized, 12 [2.0%] were admitted due to nephrological causes, which included kidney calculi [n = 7; 58.4%], acute kidney failure [n = 2; 16.7%], urinary tract infection [n = 1; 8.3%], urinary tract infection and urinary calculus [n = 1; 8.3%], and renal malignancy [n = 1; 8.3%]. None of the patients needed referral to other healthcare centers, and all of them were discharged with good condition. Length of hospital stay was 1 to 4 days. There was no association between hospitalization due to nephrological causes and sociodemographic data, healthcare use, and outcome. This inpatient epidemiological study showed 2% of total admissions were related to nephrological conditions in Iranian Hajj pilgrims, most commonly due to easily treated conditions