Evidence mapPaperPMID 42519361Full record

ArticleInternational journal of general medicine2026

Effect of Roux-En-Y Gastric Bypass on Albuminuria in Morbidly Obese Patients with Type-2 Diabetes Mellitus: A Prospective Non-Randomized Controlled Study with 15-Month Follow-Up.

Ahmed Abdallah Salman, Mohamed Abdalla Salman, Ahmed E Taha, Asmaa Awwad, Ahmed Marwan, Ahmed Elewa, Mona Yousry, Ahmed Safina Abdallah, Ahmed Youssef

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Article in International journal of general medicine, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.

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2 · The registry

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5 · Who and what money

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9 authors.

Ahmed Abdallah SalmanInternal Medicine Department, Faculty of Medicine, Cairo University, Cairo, Egypt.ORCID 0000-0003-0026-0841
Mohamed Abdalla SalmanGeneral Surgery Department, Faculty of Medicine, Cairo University, Cairo, Egypt.ORCID 0000-0001-5445-6415
Ahmed E TahaDepartment of Endemic Medicine and Hepatology, Faculty of Medicine, Cairo University, Cairo, Egypt.
Asmaa AwwadRadiation Oncology and Nuclear Medicine Department, National Cancer Institute, Cairo University, Cairo, Egypt.
Ahmed MarwanInternal Medicine Department, Faculty of Medicine, Mansoura University, Mansoura, Egypt.ORCID 0000-0001-8632-1064
Ahmed ElewaGeneral Surgery Department, National Hepatology and Tropical Medicine Research Institute, Cairo, Egypt.
Mona YousryInternal Medicine Department, Faculty of Medicine, Cairo University, Cairo, Egypt.
Ahmed Safina AbdallahGeneral Surgery Department, Faculty of Medicine, Cairo University, Cairo, Egypt.
Ahmed YoussefInternal Medicine Department, Faculty of Medicine, Cairo University, Cairo, Egypt.

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Background: Obesity increases the risk of chronic kidney disease and has been linked to proteinuria and albuminuria. Roux-en-Y gastric bypass (RYGB) plays a significant role in the treatment of obesity and type-2 diabetes mellitus (T2DM). This study aimed to examine the effect of RYGB on albuminuria in patients with morbid obesity and T2DM. Methods: This prospective, non-randomized, controlled study included two groups of patients with morbid obesity and T2DM; allocation was by patient preference rather than randomization. The RYGB Group (n = 64) underwent RYGB, and the Control Group (n = 58) received conservative (lifestyle) measures only. Micro- and macroalbuminuria were determined from spot urine albumin-to-creatinine ratio (uACR) on a first-morning urine sample. Patients were monitored for 15 months for remission and improvement of albuminuria. Groups were compared using the independent-sample Results: The groups differed significantly at baseline in age, body mass index (BMI), HOMA-IR index, LDL-cholesterol, and ALT. RYGB achieved a significantly (p < 0.001) greater rate of albuminuria remission (57.8%) than diet control (24.1%). None of the baseline characteristics were associated with albuminuria remission except lower baseline triglyceride (p = 0.012) and LDL-cholesterol (p = 0.040) levels. Albuminuria remission was associated with significantly greater weight loss (p = 0.003) and lower BMI (p = 0.019), fasting plasma insulin (p = 0.014), HOMA-IR (p = 0.011), total cholesterol (p = 0.026), LDL-cholesterol (p = 0.001), ALT (p = 0.033), and AST (p = 0.009). After adjustment for baseline differences, RYGB remained the only independent predictor of albuminuria remission (adjusted odds ratio 3.27, 95% CI 1.23-8.67; p = 0.017). Conclusion: In this non-randomized cohort, RYGB was associated with a significantly higher rate of albuminuria remission than lifestyle intervention over 15 months. Remission was associated with greater weight loss, lower plasma insulin, and improved insulin sensitivity rather than with diabetes remission itself. Randomized or better-adjusted prospective studies are warranted to confirm these findings.

Indexed as

albuminuriabariatric surgerydiabetic nephropathymorbid obesityRoux-en-Y gastric bypasstype-2 diabetes

Identifiers

PMID42519361
PMCPMC13383989

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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the Socratic graph.