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Mahmood I, Vellanki VS, Kute VB, Malik S. Shared Decision-making Model for Solid Organ Transplant Recipients during Ramadan Fasting. INDIAN JOURNAL OF TRANSPLANTATION 2025; 19:3-9. [DOI: 10.4103/ijot.ijot_34_24] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/29/2024] [Accepted: 08/04/2024] [Indexed: 05/03/2025] Open
Abstract
Fasting during the month of Ramadan is an obligatory religious practice for healthy adult Muslims. To complete a fast, individuals must abstain from eating, drinking, and taking medications from dawn to sunset. Individuals may be exempt from fasting during Ramadan on health grounds. However, some patients may still fast to fulfill their religious obligation, even if this means going against medical advice. Solid organ transplant recipients may have to follow strict fluid and electrolyte requirements, which could be challenging during Ramadan, leading to the concern that abstaining from fluid intake can lead to prerenal acute kidney injury. Furthermore, transplant recipients must take their immunosuppression at prescribed intervals to preserve graft function, drug level variability runs the risk of graft rejection. Following a review of the current literature, a shared decision-making tool has been developed to assist clinicians in supporting patients who are motivated to fast during Ramadan. All recipients wishing to fast should undergo a risk assessment. Those in the low–moderate risk category may be able to fast and safely follow medication reviews and optimize their immunosuppression regimens. In addition, they would benefit from monitoring graft function, therapeutic drug levels, electrolytes, and additional parameters such as fluid status, weight, blood pressure, and concurrent management of comorbidities. Those stratified in the higher-risk categories should be encouraged to explore alternatives, such as Fidyah or winter fasting.
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Affiliation(s)
| | | | - Vivek B. Kute
- Department of Nephrology and Kidney Transplantation, Institute of Kidney Diseases and Research Centre, Ahmedabad, Gujarat, India
| | - Shafi Malik
- Department of Nephrology, Queen Elizabeth Hospital, Birmingham, UK
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Bello AK, Lloyd A, Osman MA, Kurzawa J, Chambers T, Habib S, Olah ME, Habeeb Z, Qarni U, Shojai S, Pauly RP. Impact of Ramadan fasting on kidney function and related outcomes in chronic kidney disease and kidney transplant recipients: a systematic review and meta-analysis. BMJ Open 2024; 14:e085329. [PMID: 39572100 PMCID: PMC11580238 DOI: 10.1136/bmjopen-2024-085329] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/14/2024] [Accepted: 10/16/2024] [Indexed: 11/24/2024] Open
Abstract
OBJECTIVES Ramadan fasting is an Islamic religious practice involving abstinence from food and drink from dawn to sunset. Its consequences on kidney-relevant outcomes in patients with chronic kidney disease (CKD) and kidney transplant recipients remain unclear. DESIGN Systematic review and meta-analysis. DATA SOURCES MEDLINE, Embase, Global Health, CINAHL (EBSCOhost), Scopus, Web of Science and Google Scholar were searched up to 18 September 2023. ELIGIBILITY CRITERIA We included observational studies among non-dialysis CKD and kidney transplant recipients who fasted during Ramadan and examined changes in kidney function. DATA EXTRACTION AND SYNTHESIS Standardised methods were used by two independent reviewers to screen, select and extract data. Outcomes included changes in serum creatinine (SCr), estimated glomerular filtration rate (eGFR), proteinuria, blood pressure, electrolytes and adverse events-all pre- and post-Ramadan. Results were pooled using random effects modelling. RESULTS We included 32 observational studies with a total of 2592 participants. 21 studies reported on participants with CKD and 11 studies reported on kidney transplant recipients (studies variably including non-fasting control arms). Meta-analysis of 25 studies revealed that Ramadan fasting was not associated with changes to SCr for the following groups according to study design: CKD with a non-fasting arm (mean difference (MD)=0.82 µmol/L; 95% CI -7.22, 8.86; I2=38%); transplant with a non-fasting arm (MD=-0.17 µmol/L; 95% CI -2.50, 2.15; I2=0%) and CKD without a non-fasting arm (post-pre MD=13.84 µmol/L; 95% CI -3.78, 31.47; I2=88%). For transplant studies without a non-fasting arm, lower SCr was associated with the post-Ramadan period (post-pre MD=-5.40 µmol/L; 95% CI -10.78, -0.02; I2=0%). In the 18 studies that reported on eGFR, fasting during Ramadan was not associated with an effect on eGFR for any of the groups. CONCLUSION We report inconsistent effects of Ramadan fasting on kidney function in CKD or kidney transplantation. Results should be interpreted with caution due to the significant limitations of the underlying studies.
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Affiliation(s)
| | - Anita Lloyd
- University of Alberta, Edmonton, Alberta, Canada
| | | | - Julia Kurzawa
- Children's Hospital of Eastern Ontario, Ottawa, Ontario, Canada
| | - Thane Chambers
- University of Alberta Libraries, Edmonton, Alberta, Canada
| | - Syed Habib
- Department of Medicine, University of Alberta, Edmonton, Alberta, Canada
| | - Michelle E Olah
- Department of Medicine, Queen's University, Kingston, Ontario, Canada
| | - Zahraa Habeeb
- Department of Medicine, University of Alberta, Edmonton, Alberta, Canada
| | - Uwais Qarni
- Department of Medicine, University of Alberta, Edmonton, Alberta, Canada
| | - Soroush Shojai
- Department of Medicine, University of Alberta, Edmonton, Alberta, Canada
| | - Robert Peter Pauly
- Department of Medicine, University of Alberta, Edmonton, Alberta, Canada
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Boobes Y, Afandi B, AlKindi F, Tarakji A, Al Ghamdi SM, Alrukhaimi M, Hassanein M, AlSahow A, Said R, Alsaid J, Alsuwaida AO, Al Obaidli AAK, Alketbi LB, Boubes K, Attallah N, Al Salmi IS, Abdelhamid YM, Bashir NM, Aburahma RMY, Hassan MH, Al-Hakim MR. Consensus recommendations on fasting during Ramadan for patients with kidney disease: review of available evidence and a call for action (RaK Initiative). BMC Nephrol 2024; 25:84. [PMID: 38448807 PMCID: PMC10916266 DOI: 10.1186/s12882-024-03516-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/03/2023] [Accepted: 02/20/2024] [Indexed: 03/08/2024] Open
Abstract
Ramadan fasting (RF) involves abstaining from food and drink during daylight hours; it is obligatory for all healthy Muslims from the age of puberty. Although sick individuals are exempt from fasting, many will fast anyway. This article explores the impact of RF on individuals with kidney diseases through a comprehensive review of existing literature and consensus recommendations. This study was conducted by a multidisciplinary panel of experts.The recommendations aim to provide a structured approach to assess and manage fasting during Ramadan for patients with kidney diseases, empowering both healthcare providers and patients to make informed decisions while considering their unique circumstances.
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Affiliation(s)
- Yousef Boobes
- Seha Kidney Care, Tawam Hospital, Al Ain, UAE.
- Department of Medicine, College of Medicine and Health Science, UAE University, Al Ain, UAE.
| | - Bachar Afandi
- Department of Medicine, College of Medicine and Health Science, UAE University, Al Ain, UAE
- Endocrine Division, Tawam Hospital, Al Ain, UAE
| | | | - Ahmad Tarakji
- St. George Medical Center & McMaster University-Waterloo Campus, Kitchener, ON, Canada
| | | | | | - Mohamed Hassanein
- Endocrine Section, Dubai Hospital, Dubai Health, Dubai, UAE
- Mohammed Bin Rashid University of Medicine and Health Science, Dubai, UAE
| | - Ali AlSahow
- Division of Nephrology, Jahra Hospital, Jahra, Kuwait
| | - Riyad Said
- Department of Nephrology and Medicine, Jordan Hospital and Medical Center Ibn Sina University for Medical Sciences, Amman, Jordan
| | - Jafar Alsaid
- Nephrology department, Ochsner Medical Center, New Orleans, LA, USA
| | | | | | - Latifa B Alketbi
- Ambulatory Healthcare Services - Abu Dhabi Healthcare Services, Abu Dhabi, UAE
| | - Khaled Boubes
- Department of Medicine, Ohio State University, Columbus, OH, USA
| | - Nizar Attallah
- Nephrology Associates of Kentuckiana, University of Kentucky, Louisville, USA
| | - Issa S Al Salmi
- Department of Renal Medicine, The Royal Hospital, Muscat, Oman
| | - Yasser M Abdelhamid
- Nephrology Division, Internal Medicine Department -Faculty of Medicine, Cairo University, Cairo, Egypt
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AlSahow A. The Impact of Hot Ambient Temperature and Prolonged Fasting Duration during Ramadan on Patients with Chronic Kidney Disease: A Literature Review. Int J Nephrol 2023; 2023:2636507. [PMID: 38106546 PMCID: PMC10725313 DOI: 10.1155/2023/2636507] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/13/2023] [Revised: 11/14/2023] [Accepted: 11/18/2023] [Indexed: 12/19/2023] Open
Abstract
The Islamic (lunar) calendar has 11 fewer days each year than the Gregorian (solar) calendar. Consequently, ambient temperatures during the month of Ramadan and the duration of the presunrise-to-sunset fast will change each year. At some point, individuals observing Ramadan will experience prolonged periods of fasting during the hot summer months. In this manuscript, findings published in the English-language medical literature that address the impact of prolonged fasting during the warmer summer months on patients with chronic kidney disease, including dialysis and transplantation patients, are reviewed. This is of particular concern given the accelerated pace of global warming. The limitations of the evidence that is currently available are also discussed, and an approach that might be used to standardize future evaluations of the impact of fasting on kidney health is suggested.
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Affiliation(s)
- Ali AlSahow
- Division of Nephrology, Jahra Hospital, Jahra, Kuwait
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Habas E, Errayes M, Habas E, Farfar KL, Alfitori G, Habas AE, Rayani A, Elzouki ANY. Fasting Ramadan in Chronic Kidney Disease (CKD), Kidney Transplant and Dialysis Patients: Review and Update. Cureus 2022; 14:e25269. [PMID: 35755525 PMCID: PMC9218841 DOI: 10.7759/cureus.25269] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 05/24/2022] [Indexed: 11/12/2022] Open
Abstract
Chronic kidney disease (CKD) is a common disease in the Islamic regions. Dehydration occurs after prolonged fasting, particularly in hot and humid climates. In the Arabic months’ calendar, Ramadan is a month of maximum given deeds, where Muslims are required to fast from dawn till sunset. Depending on where you live and when the Ramadan month falls, fasting might last anywhere from 10 to 20 hours or more. In certain circumstances, such as poorly controlled diabetes and advanced CKD patients who are allowed to break their fast, the Ramadan fasting amendment is viable. Some Muslims, however, continue fasting despite these circumstances, placing themselves at risk, which is not allowed in the Islamic religion. There are no medical recommendations that specify who should and should not fast. Nonetheless, the recommendations have been extracted from several published studies. The authors searched EMBASE, PubMed, Google Scholar, and Google for publications, research, and reviews. All authors debate and analyze the related articles. Each author was assigned a part or two of the topics to read, study, and summarize before creating the final draft of their given section. Then this comprehensive review was completed after discussion sessions. In conclusion, by the Islamic religion view, fasting Ramadan is mandatory for every wise adult person. People who have chronic diseases or that may deteriorate by fasting are exempted from fasting. It seems that fasting and the associated disease hours are determinant factors to fasting or not fasting. Up to our knowledge, there are no established guidelines for CKD patients and physicians to follow; however, the International Diabetes Federation and Diabetes and Ramadan (IDF-DAR) Practical Guidelines 2021 have been issued for CKD diabetic patients and fasting.
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Malik S, Hamer R, Shabir S, Youssouf S, Morsy M, Rashid R, Waqar S, Ghouri N. Effects of fasting on solid organ transplant recipients during Ramadan - a practical guide for healthcare professionals. Clin Med (Lond) 2021; 21:e492-e498. [PMID: 38594852 DOI: 10.7861/clinmed.2021-0250] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
Abstract
Fasting in the month of Ramadan is an obligatory act for healthy adult Muslims. It requires abstinence from food and drink from dawn to sunset. Although there are exemptions from fasting, many patients are keen to fulfil what they see as a religious obligation, even if this may be against medical advice in some cases. Solid organ transplant (SOT) recipients often ask healthcare professionals for advice on fasting. Studies on the effect of fasting in transplant patients have all been done in the Middle East and North Africa where the average fasting duration is between 12 and 14 hours. In comparison, in temperate regions in the summer, fasting duration can be as long as 20 hours. Fasting when patients have to take immunosuppression 12 hours apart with little time variation poses unique challenges. In this review, current literature is reviewed, and a decision-making tool has been developed to assist clinicians in discussing the risks of fasting in transplant recipients, with consideration also given to circumstances such as the COVID-19 pandemic. Our review highlights that SOT recipients wishing to fast should undergo a thorough risk assessment, ideally 3 months before Ramadan. They may require medication changes and a plan for regular monitoring of graft function and electrolytes in order to fast safely. Recommendations have been based on risk tiers (very high risk, high risk and low/moderate risk) established by the International Diabetes Federation and the Diabetes and Ramadan International Alliance. Patients in the 'very high risk' and 'high risk' categories should be encouraged to explore alternative options to fasting such as winter fasting or Fidyah. Those in the 'low/moderate' category may be able to cautiously fast with guidance from their clinician. Prior to the commencement of Ramadan, all patients must receive up-to-date education on sick-day rules, instructions on when to terminate their fast or abstain from fasting.
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Affiliation(s)
- Shafi Malik
- University Hospitals Coventry and Warwickshire NHS Trust, UK, and honorary clinical lecturer, University of Leicester, Leicester, UK.
| | - Rizwan Hamer
- University Hospitals Coventry and Warwickshire NHS Trust, UK
| | | | | | - Mohamed Morsy
- University Hospitals of Leicester NHS Trust, Leicester, UK
| | | | | | - Nazim Ghouri
- University of Glasgow, Glasgow, UK, and consultant physician in diabetes, endocrinology and general medicine, Queen Elizabeth University Hospital, Glasgow, UK
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Ahmad S, Chowdhury TA. Fasting during Ramadan in people with chronic kidney disease: a review of the literature. Ther Adv Endocrinol Metab 2019; 10:2042018819889019. [PMID: 31798822 PMCID: PMC6859673 DOI: 10.1177/2042018819889019] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/17/2019] [Accepted: 10/27/2019] [Indexed: 12/18/2022] Open
Abstract
Chronic kidney disease (CKD) is common among Muslim patients, and many such patients are keen to fast during the month of Ramadan. Fasting for prolonged periods may be deleterious for patients with CKD, but the changing season of fasting means that the duration of fast is very variable between geographical locations. There is, furthermore, a paucity of evidence to guide patients and clinicians in management of fasting in people with CKD. In this article, we aim to review the available evidence for patients with CKD and fasting, including haemodialysis and renal transplantation. We suggest that all patients with CKD should be deemed high risk or very high risk for fasting. We conclude, however, that patients with stable mild/moderate CKD (stage 1-3) may be able to fast providing they are carefully monitored and counselled. We also suggest that patients with stable renal transplants may also be able to fast, providing they are monitored carefully by their transplant team. Patients on haemodialysis or peritoneal dialysis should not be encouraged to fast, but if they do so, they will need careful weekly monitoring. There is an urgent need for high-quality data for patients with CKD who plan to fast over Ramadan, to enable more guidance to be developed for this vulnerable group of patients.
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Affiliation(s)
- Shahzaib Ahmad
- Specialist Trainee in Anaesthetics and Intensive Care, Department of Anaesthetics and Intensive Care, St Helier Hospital, London, UK
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Ramadan Fasting in Kidney Transplant Recipients: A Single-Centre Retrospective Study. J Transplant 2018; 2018:4890978. [PMID: 29973984 PMCID: PMC6008647 DOI: 10.1155/2018/4890978] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/18/2018] [Accepted: 04/05/2018] [Indexed: 11/17/2022] Open
Abstract
Background Fasting during the lunar month of Ramadan is mandatory to all healthy adult Muslims. Renal transplant recipients are often worried about the impact of fluid and electrolyte deprivation during fasting on the function of their allograft. We aimed to examine the effect of fasting Ramadan on the graft function in renal transplant recipients. Methods This retrospective cohort study included patients who underwent kidney transplantation in our tertiary referral center. Baseline pre-Ramadan estimated glomerular filtration rate (eGFR), mean arterial pressure (MAP), and urinary protein excretion were compared to those during and after Ramadan within and between the fasting and non-fasting groups. Results The study population included 280 kidney transplant recipients who chose to fast during the Ramadan month (June-July 2014) and 285 recipients who did not fast. In the fasting group, baseline eGFR did not change from that during or post-Ramadan (72.6 ± 23.7 versus 72.3 ± 24.5 mL/min/1.73 m2, P = 0.53; and 72.6 ± 23.7 versus 72 ± 23.2 mL/min/1.73 m2, P = 0.14, respectively). Compared to baseline, there were no significant differences between the fasting and the non-fasting groups in terms of mean percent changes in eGFR, MAP, and urinary protein excretion. Conclusion Fasting during the month of Ramadan did not have significant adverse effects on renal allograft function.
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Hejaili F, Qurashi S, Binsalih S, Jaradt M, Al Sayyari A. Effect of repeated ramadan fasting in the hottest months of the year on renal graft function. Nephrourol Mon 2014; 6:e14362. [PMID: 24719821 PMCID: PMC3968970 DOI: 10.5812/numonthly.14362] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/22/2013] [Revised: 09/07/2013] [Accepted: 09/29/2013] [Indexed: 11/16/2022] Open
Abstract
BACKGROUND Adult Moslems are required to fast during the lunar month of Ramadan every year. Although the sick and travelers, as well as some other specified groups, are exempted from this requirement. OBJECTIVES To investigate the effect of repeated Ramadan fasting during the hottest months of the year on renal graft functions. PATIENTS AND METHODS This was a prospective cohort study comparing two groups of renal transplant receivers; one group had fasted for two consecutive Ramadan months during 2011 and 2012, while the other group had not fasted. The baseline eGFR (estimated glomerular filtration rate) was compared to the eGFR carried out 19.6 ± 1.3 months later, within and between groups. Further subgroup analysis was done according to eGFR baseline; low (< 45 mL/min/1.73 m(2)), moderate 45-75 (mL/min/1.73 m(2)), and high (> 75 mL/min/1.73 m(2)). RESULTS There were 43 fasting and 37 non-fasting participants with comparable; ages, gender, type of transplant, and baseline eGFR and serum creatinine (SCr). The fasting participants, however, had a longer elapsed time since their transplantation. In the fasting group, SCr and eGFR did not change from baseline after a mean follow-up period of 19.6 ± 1.3 months; SCr of 105.1 ± 55.4 and 114.2 ± 71.5 µmol/L, respectively (P-value = 0.8), and eGFR 75.6 ± 29.2 and 70.2 ± 28.1 mL/min/1.73 m(2), respectively (P-value = 0.09). Similarly, no significant changes were observed in the non-fasting group; Sr of 123.1 ± 67 and 115.8 ± 65.2 µmol/L, respectively (P-value = 0.6), and eGFR of 65.9 ± 25.9 and 68.8 ± 24.6 mL/min/1.73 m(2), respectively (P-value = 0.6). On subgroup analysis, according to the eGFR level, we found no significant differences in the eGFR, before and after 19.6 ± 1.3 months, in the severe and moderate subgroups. However, a significant but similar drop was noted in the high GFR subgroups in both the fasting subgroup (96.4 ± 15 to 84.9 ± 20.7 mL/min/1.73 m(2); P = 0.17) and in the non-fasting subgroup (92.9 ± 15.8 to 82.3 ± 18.2 mL/min/1.73 m(2); P = 0.019). CONCLUSIONS Fasting in the month of Ramadan in two consecutive years, and during the hottest months, in Riyadh, Saudi Arabia, did not adversely affect kidney graft function.
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Affiliation(s)
- Fayez Hejaili
- King Saud bin Abdulaziz University for Health Sciences, Riyadh, Saudi Arabia
| | - Salim Qurashi
- King Saud bin Abdulaziz University for Health Sciences, Riyadh, Saudi Arabia
| | - Salih Binsalih
- King Saud bin Abdulaziz University for Health Sciences, Riyadh, Saudi Arabia
| | - Maha Jaradt
- King Abdulaziz Medical City, Riyadh, Saudi Arabia
| | - Abdulla Al Sayyari
- King Saud bin Abdulaziz University for Health Sciences, Riyadh, Saudi Arabia
- Corresponding author: Abdulla Al Sayyari, King Saud Bin Abdulaziz University for Health Sciences, P.O.Box: 22490, Riyadh, Saudi Arabia. Tel: +966-12520088, E-mail:
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Qurashi S, Tamimi A, Jaradat M, Al Sayyari A. Effect of fasting for Ramadan on kidney graft function during the hottest month of the year (August) in Riyadh, Saudi Arabia. EXP CLIN TRANSPLANT 2012; 10:551-3. [PMID: 22920156 DOI: 10.6002/ect.2012.0139] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Abstract
OBJECTIVES To assess the effect of fasting Ramadan during the hottest month of the year in Riyadh, Saudi Arabia. MATERIALS AND METHODS This prospective cohort study was performed at the King Fahd National Guard Hospital in Riyadh, Saudi Arabia. We used the Modification of Diet in Renal Disease formula to estimate the glomerular filtration rate in renal transplant patients who fasted and did not fast before and after Ramadan. RESULTS There were 43 fasters and 37 nonfasters of comparable ages, with fasters having longer posttransplant times compared with nonfasters (P = .0001). The 2 groups had similar mean estimated glomerular filtration rates before Ramadan: 75.6 ± 29.2 and 65.9 ± 25.9 mL/min (P = .1) and similar mean estimated glomerular filtration rates 6 months after Ramadan: 77.2 ± 29.7 and 64.1 ± 29 mL/min (P = .21). Mean changes in the estimated glomerular filtration rate were similar in the 2 groups: -1.5 ± 10.9 and -2.8 ± 19.3 (P = .7) as was the percentage change (-0.2.2 ± 13.4 and 1.8 ± 15.9; P = .4). In the fasting group, serum creatinine and estimated glomerular filtration rate were similar before and 6 months after Ramadan: 105.1 ± 55 and 105.14 ± 61 μmol/L (P = 1.0) and 75.6 ± 29 and 72.2 ± 29.7 mL/min (P = .36). No significant changes were observed in the nonfasting group. No significant differences were detected regarding fasting in the estimated glomerular filtration rate before and 6 months after Ramadan in the 3 groups with the low, moderate, and high glomerular filtration rates at baseline. CONCLUSIONS Fasting for Ramadan in August does not adversely affect graft function at a mean follow-up of 7.6 ± 1.3 months.
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Affiliation(s)
- Salem Qurashi
- Department of Medicine, King Abdulaziz Medical City, Riyadh, Saudi Arabia
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Ramadan fasting in kidney transplant recipients with normal renal function and with mild-to-moderate renal dysfunction. Int Urol Nephrol 2008; 41:417-22. [PMID: 18839326 DOI: 10.1007/s11255-008-9476-y] [Citation(s) in RCA: 13] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/14/2008] [Accepted: 09/08/2008] [Indexed: 11/26/2022]
Abstract
BACKGROUND Fasting during Ramadan is prescribed for every healthy Muslim after the age of puberty. However, many patients ask their physicians whether it is safe for them to fast. AIM The aim of this study was to evaluate the influence of voluntary Ramadan fasting on patients with transplanted kidneys. METHODS We conducted a prospective study on 41 kidney transplant recipients who chose to fast during Ramadan and 41 recipients who had not fasted at five transplant centers in the month of Ramadan (September-October 2007). All 82 recipients underwent transplantation at least 1 year prior to the study, and all had had stable renal function for at least 6 months prior to the study. RESULTS The mean ages of the fasting and control groups were 42 +/- 12 years and 43 +/- 12 years, respectively, and the corresponding duration since transplantation was 10-210 (average: 65) months and 11-180 (average: 69) months. Our results showed that estimated GFR did not significantly change during Ramadan for either group (mean estimated GFRs pre- and post-Ramadan were 72.8 +/- 27.8 and 73.1 +/- 29.3 ml/min in the fasting group, and 73.4 +/- 18.8 and 73.1 +/- 18.5 ml/min in non-fasters, respectively). In patients with GFR < 60 ml/min, renal function remained stable during Ramadan. CONCLUSION The results did not show any adverse effects of fasting, especially on allograft function, in kidney recipients who had normal as well as mild to moderate impaired but stable renal function prior to fasting.
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Abstract
This is a prospective cohort study in renal transplant patients who fasted or who did not fast for three consecutive Ramadans. The baseline estimated glomerular filtration rate (GFR), mean arterial pressure (MAP), and urinary protein excretion before the first Ramadan were compared to those after the third Ramadan in 35 fasters and 33 nonfasters. The effect of age, time after transplantation, presence of diabetes mellitus (DM), and proteinuria on changes in the GFR were studied. The two groups were comparable in gender, age, donor source, time posttransplantation, presence of DM, hypertension, proteinuria, serum creatinine, and MAP. Among the fasters, there was no change in estimated GFR after fasting for three Ramadans (56.4 mL/min versus 55.4 mL/min, P=0.8) even after adjusting for age, DM, baseline GFR, proteinuria, or time after transplantation. There were no significant differences between the fasters and the nonfasters in the changes in GFR, MAP, and urinary protein excretion between baseline and the third Ramadan.
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Einollahi B, Lessan-Pezeshki M, Simforoosh N, Nafar M, Pour-Reza-Gholi F, Firouzan A, Khatami MR, Nourbala MH, Pourfarzini V. Impact of Ramadan Fasting on Renal Allograft Function. Transplant Proc 2005; 37:3004-5. [PMID: 16213286 DOI: 10.1016/j.transproceed.2005.08.032] [Citation(s) in RCA: 14] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/01/2022]
Abstract
Fasting during the holy month of Ramadan is a religious duty for all healthy adult Muslims. They are only allowed to eat and drink between sunset and dawn. This study was designed to find the effect of Ramadan fasting on allograft function. We prospectively studied 19 kidney transplant recipients who voluntarily chose to fast during Ramadan versus 20 matched recipients, who had not fasted for 3 consecutive years. Data were recorded before, during, and after the fasting month. The mean posttransplant periods in the fasting and control groups were 52.6 +/- 30.3 and 56.6 +/- 30.0 months, respectively. A statistical analysis showed no significant changes in serum creatinine concentrations before and after Ramadan 1.07 +/- 0.24 versus 1.08 +/- 0.22 mg/dL (P > .05) and 1.00 +/- 0.24 versus 1.03 +/- 0.28 mg/dL (P > .05) in fasting and control groups, respectively. The results did not show any adverse effects of fasting in recipients with stable renal function. In conclusion, our study suggests that fasting during the month of Ramadan is safe and has no significant harmful effects on kidney transplant recipients with normal renal function.
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Affiliation(s)
- B Einollahi
- Kidney Transplant Department, Baqiyatallah Hospital, Baqiyatallah University of Medical Sciences, Tehran, Iran. @bmsu.ac.ir
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