Renal Arterial and Venous System Variations in 1,073 Kidney Donors in Turkey

Conclusion: Renal arterial and venous system variations are very common, and detailed preoperative evaluation provides an opportunity to choose the best surgical modality and minimize intra- and post-operative complications.

📌 3 Key Takeaways

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Objective & Hypothesis:Introduction: Renal vasculature variations are seen in both arterial and venous systems.

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Key Findings & Data:In Turkey, 80% of kidney transplantations are performed by living donors.

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Conclusion & Impact:Conclusion: Renal arterial and venous system variations are very common, and detailed preoperative evaluation provides an opportunity to choose the best surgical modality and minimize intra- and post-operative complications.

🔬Design:Research Article

📍Scope:Comprehensive Sample

⚙️Variables:Domain Parameters

Abstract

Introduction: Renal vasculature variations are seen in both arterial and venous systems. In Turkey, 80% of kidney transplantations are performed by living donors. Therefore, this study aimed to identify the incidence and morphologic variations of renal vessels in a group of Turkish kidney donors. Methods: The computed tomography angiography of 1,073 kidney donors were retrospectively evaluated for vascular variations, such as multiple renal arteries (MRA), polar or accessory renal arteries (ARA), early division of renal artery, multiple renal veins (MRV), retro-aortic renal vein (RARV), and inferior vena cava duplication. Results: One vascular variation in the renal vascular system was found in 637 of 1,073 (59.4%) kidney donors. The MRA was observed in 380 (35.4%) donors. The ARA were reported in 180 (16.8%) and 227 (20.2%) donors, respectively. Renal arteries were divided earlier than expected in 230 (21.4%) donors. The MRV and RARVS were seen in 205 (19.1%) and 77 (7.2%) patients, respectively. Only 2 cases of inferior vena cava duplication were determined. Conclusion: Renal arterial and venous system variations are very common, and detailed preoperative evaluation provides an opportunity to choose the best surgical modality and minimize intra- and post-operative complications.

Özet

Amaç: Renal vaskülatür varyasyonları hem arteriyel hem de venöz sistemlerde görülür. Türkiye’de böbrek nakillerinin %80’i canlı vericiler tarafından yapılmaktadır. Bu yüzden, bu çalışma, bir grup Türk böbrek donöründe böbrek damarlarının insidansını ve morfolojik varyasyonlarını belirlemeyi amaçladı. Yöntemler: Bin yetmiş üç böbrek vericisinin bilgisayarlı tomografi anjiyografisi; çoklu renal arterler (MRA), polar veya aksesuar renal arterler (ARA), renal arterin erken bölünmesi, çoklu renal venler (MRV), retro-aortik renal ven (RARV) ve inferior vena kava duplikasyonu gibi vasküler varyasyonlar açısından retrospektif olarak değerlendirildi. Bulgular: Renal vasküler sistemde bir vasküler varyasyon 1.073 böbrek vericisinin 637’sinde (%59,4) bulundu. MRA, böbrek donörünün 380’inde (%35,4) saptanmıştır. ARA varlığı sırasıyla 180 (%16,8) ve 227 (%20,2) donörde tespit edilmiştir. 230 (%21,4) canlı böbrek donöründe renal arter beklenenden erken dallanmıştır. MRV ve RARV sırasıyla; 205 (%19,1) ve 77 (%7,2) hastada görülmüştür. Sadece 2 olguda vena cava inferior duplikasyonu saptandı. Sonuç: Renal arteriyel ve venöz sistem varyasyonları çok yaygındır, ve detaylı preoperatif değerlendirme, en iyi cerrahi tekniği seçme, intra-operatif ve post-operatif komplikasyonları en aza indirme fırsatı sağlar.

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Cite This Article

KARAYAĞIZ, A. H., CENAL, U., ERTÜRK, T., ÖZDEMİR, E., POLATKAN, S. A. V., YILMAZ, G., ÇAKIR, Ü., BERBER, İ. (2022). Renal Arterial and Venous System Variations in 1,073 Kidney Donors in Turkey. İstanbul Medical Journal, Cilt: 22 - Sayı: 4, 257–260. https://ajindex.com/articles/551795

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