Publications by authors named "Ahmed Mahedy"

Objectives: Lymphocele formation after kidney transplant is a common complication that causes significant morbidity. In this study, we aimed to evaluate the safety and effectiveness of intraoperative prophylactic povidone-iodine sclerotherapy through the closed suction drain to prevent lymphocele after kidney transplant.

Materials And Methods: In this retrospective comparative single-institution study, we compared patients who underwent intraoperative prophylactic povidone-iodine sclerotherapy through the closed suction drain (group A) with patients who did not receive sclerotherapy (group B).

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Background: To compare donor and recipient outcomes in patients with renal artery and ante-aortic renal vein vs unusual renal vascular anatomy undergoing laparoendoscopic single-site donor nephrectomy (LESSDN).

Methods: A retrospective chart review of the comparative study of donor and recipient outcomes of LESSDN in donors with venous abnormality (n = 28, group A), arterial abnormality (n = 74, group B), and standard donors (n = 248, group C).

Results: From September 2016 to August 2022, 350 left LESSDN were performed.

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Duplication of the inferior vena cava is a rare vascular anomaly that increases the complexity of living donor nephrectomy and subsequent transplant. We present the case of a successful left-side laparoendoscopic single-site donor nephrectomy performed in a donor with a duplicated inferior vena cava. The length of the left renal vein was adequate for anastomosis in the recipient, with no late surgical complications at 9 months for both donor and recipient.

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Background: Allograft artery-infected pseudoaneurysm (PA) represents a rare but life-threatening complication of kidney transplantation (KT). A review of the literature, showed that nearly all these cases ended resulted in graft loss. We presented a case of post-KT-infected external iliac artery anastomotic PA successfully managed by endovascular stenting with graft preservation.

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Background: To report the incidence, risk factors, and outcome of severe COVID-19 disease in kidney transplant recipients attending a Saudi hospital at a single center in the Kingdom of Saudi Arabia.

Methods: A retrospective chart-based cohort study involving all kidney transplant recipients tested for COVID-19 in the Armed Forces Hospital Southern Region, KSA.

Results: Of 532 kidney transplant recipients who reported to the center, from March 2020 to June 2022, 180 were tested for COVID-19.

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Background: Urinary tract infections (UTIs) are the most prevalent type of kidney transplant (KT) recipients. We aimed to investigate the incidence, causes, and clinical impact of early recurrent UTI post-living donor KT and to examine the role of behavioral education program in management.

Methods: This retrospective cohort chart-review study included all KT recipients with recurrent UTI necessitating hospital admission between September 2017 and August 2021.

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Objective: to investigate the effects of a successful KT on EF in male patients with ESRD.

Materials And Methods: A single-center cross-sectional prospective study to assess the erectile dysfunction in male patients one month before and one year after KT. We adopted a validated, self-administered translated International Index of Erectile Function (IIEF-15) questionnaire.

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Aim: To assess incidence and characteristics of post-laparoendoscopic single-site donor nephrectomy (LESS DN) testicular pain.

Materials And Methods: A prospective comparative study of all male donors post-left LESS DN (group A) vs. postopen nephrectomies (group B) was performed at our center.

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Background: Novel oral anticoagulants (NOACs) are widely used alternatives to warfarin, because they do not require routine monitoring and have better safety profile. There is limited experience for NOACs in organ transplant recipients.

Methods: This study assessed NOAC safety and efficacy among renal transplant recipients in a single center.

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There is growing evidence about the potential favorable effects that can be obtained from converting the administration of calcineurin inhibitors (CNIs) to Belatacept in kidney transplantation recipients. We conducted a meta-analysis to formulate strong evidence from the current literature about this effect on kidney functions, as measured by the estimated glomerular filtration rate (eGFR). Our search was conducted on the following databases: PubMed, Web of Science, Scopus, Embase, Google Scholar, Cochrane library, the clinical trials, and the International Standard Randomized Controlled Trial Number registries to obtain all studies that investigated the effect of post-transplantation CNIs conversion to Belatacept on kidney functions.

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Background: A traditional narrative review was performed to evaluate clinical studies that have examined the clinical implications, risk factors, and prevention of calcineurin inhibitors (CNIs) nephrotoxicity with stress on a belatacept-based rescue regimen.

Methods: The Cochrane Library, PubMed/MEDLINE, EBSCO (Academic Search Ultimate), ProQuest (Central), and Excerpta Medical databases and Google scholar were searched using the keywords (CNI AND Nephrotoxicity prevention) OR ("Calcineurin inhibitor" AND Nephrotoxicity) OR (Tacrolimus AND Nephrotoxicity) OR (Ciclosporin AND Nephrotoxicity) OR (cyclosporine AND Nephrotoxicity) OR (Belatacept) OR (CNI Conversion) for the period from 1990 to 2020. Fifty-five related articles and reviews were found.

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Idiopathic Membranous Nephropathy (IMN) is a renal-limited autoimmune disease and accounts for approximately 80% of MNs. This study aimed to evaluate the role of circulating Anti-PLA2R and anti-THSD7A autoantibodies in the diagnosis and differentiation between primary and secondary MN. This study was conducted on 58 adult patients with biopsy-proven membranous glomerulopathy (MGN).

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Tuberculosis (TB) affects human life globally for a long time. The difference in clinical outcome of infection suggests that host genetic makeup is responsible for such variability. Toll like receptors (TLRs) are pattern recognition receptors and have a significant role in mycobacterial recognition by the innate immune system.

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Graves' disease (GD) is an organ specific autoimmune disease of thyroid gland with genetic and environmental causes. One of genetic factors that have been implicated in the development of this disease is CTLA-4 gene polymorphism. This study aimed to investigate the association of CTLA-4 polymorphisms at position +49A/G, and CT60 with susceptibility to Graves' disease in Saudi patients.

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Transfusion-transmitted virus (TTV) is a single-stranded DNA virus that was identified in patients with post-transfusion hepatitis of non-A-to-G type. Patients with chronic renal failure on maintenance hemodialysis (HD) have a higher risk of viral infections, and the prevalence of TTV infection is common. The aim of our study was to detect TTV-DNA and its genotype in HD patients.

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