• Ahmet Karatas, Ebru Canakci, Yeliz Kasko Arici, Mervegul Kaya, and Beyza Sayim.
• Dr. Ahmet Karatas, MD. Nephrologist, Associated Professor, Department of Internal Medicine, Division of Neprology, Education and Research Hospital, Ordu University School of Medicine, Ordu, Turkey.
• Pak J Med Sci. 2021 Jul 1; 37 (4): 972978972-978.

ObjectivesExamine the effect of fasting during Ramadan on kidney functions in patients with chronic kidney disease.MethodsThe study was conducted on 130 patients with stage III-IV chronic kidney disease (CKD), who were admitted to the Ordu University nephrology polyclinic during the month before Ramadan and one month after Ramadan in 2019. Blood samples were taken in the morning after 12 hours of fasting.ResultsThere was a statistically significant difference between BUN in the fasting group before and after the month of Ramadan. The median BUN before Ramadan was 26.65 mg/dl, the median after Ramadan was 24.05 mg/dl (p=0.004).There was a statistically significant difference between the nonfasting groups before and after Ramadan with respect to creatinine level. Median creatinine before Ramadan was 1.69 mg/dl,and the median after Ramadan was 1.86 mg/dl (p <0.001).There was a statistically significant difference between the fasting groups before and after Ramadan with respect to creatinine levels. Fasting group ,the median before Ramadan was 1.5 mg/dl, and the median after Ramadan was 1.42 mg/dl (p = 0.038).The impact of independent variable of fasting, using linear regression was found to be statistically significant (ppost-<0.001). The eGFR was 14.826 points higher in those who fasted after Ramadan than in those who did not.ConclusionFasting during the month of Ramadan does not deteriorate kidney functions and even leads to a moderate improvement in kidney functions. Taking these results into consideration, fasting may be advised for patients with stage III-IV CKD who want to fast and remain in stable condition.Copyright: © Pakistan Journal of Medical Sciences.

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