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Metabolic effects of Ramadan fasting in patients at high risk of cardiovascular diseases

Authors Beltaief K, Bouida W, Trabelsi I, Baccouche H, Sassi M, Dridi Z, Chakroun T, Hellara I, Boukef R, Hassine M, Addad F, Razgallah R, Khochtali I, Nouira S

Received 26 April 2018

Accepted for publication 14 February 2019

Published 15 July 2019 Volume 2019:12 Pages 247—254

DOI https://doi.org/10.2147/IJGM.S172341

Checked for plagiarism Yes

Review by Single-blind

Peer reviewers approved by Dr Amy Norman

Peer reviewer comments 2

Editor who approved publication: Dr Scott Fraser


K Beltaief1,2, W Bouida1,2, I Trabelsi1,2, H Baccouche1,2, M Sassi,3 Z Dridi,4 T Chakroun,5 I Hellara,6 R Boukef,7 M Hassine,6 F Addad,8 R Razgallah,9 I Khochtali,10 S Nouira1,2
 
On behalf of the Ramadan Research Group

1Emergency Department, Fattouma Bourguiba University Hospital, Monastir, Tunisia; 2Research Laboratory (LR12SP18), University of Monastir, Monastir, Tunisia; 3Biological Laboratory, Maternity and Neonatal Medicine Center, Monastir, Tunisia; 4Cardiology Department, Fattouma Bourguiba University Hospital, Monastir, Tunisia; 5Regional Blood Transfusion Center, Farhat Hached University Hospital, Sousse, Tunisia; 6Hematology Department, Fattouma Bourguiba University Hospital, Monasitr, Tunisia; 7Emergency Department, Sahloul University Hospital, Sousse, Tunisia; 8Cardiology Department, Abderrahman Mami University Hospital, Ariana 1080, Tunisia; 9DACIMA, Tunis, Tunisia; 10Endocrinology and Internal Medicine Department, Fattouma Bourguiba University Hospital, Monastir, Tunisia

Background and aim: The effects of Ramadan fasting on health are a little controversial. The present study is aimed at evaluating the metabolic effects on a group of 517 patients with ≥2 cardiovascular risk factors over a period running from 2012 to 2014.
Methods: Each patient was assessed at three visits: before, during, and after Ramadan. Demographical, clinical and biological tests were performed at each visit.
Results: Metabolically, we noted a significant and discrete rise in blood glucose level (+1.2 mmol/L), triglycerides (+0.3 mmol/L), cholesterol (+0.12 mmol/L) and creatinine (+3 μmol/L) during Ramadan. These disturbances decreased significantly after Ramadan. The same variations were observed among diabetics (n=323). However, there was a significant decrease in HbA1c after Ramadan (9.0% vs 7.6%, p<0.001). Our findings also revealed there was no significant correlation between variations of metabolic parameters and dietary intake. No acute metabolic incidents were reported during the study period.
Conclusion: The current study showed that Ramadan is responsible for a transient but well tolerated disturbance of metabolic parameters followed by a significant post-Ramadan improvement. These changes did not seem to be directly related to dietary intake.

Keywords: Ramadan, fasting, metabolic parameters

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