Supernumerary renal vessels: analysis of frequency and configuration in 996 computed tomography studies

Staśkiewicz, Grzegorz; Jajko, K; Torres, Kamil; Czekajska−Chehab, Elżbieta; Maciejewski, Ryszard; Drop, Andrzej

doi:10.5603/fm.a2015.0085

Cited by 8 publications

(8 citation statements)

References 13 publications

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“…Since the beginning of the modern era, the numerous anatomic variants of the renal blood supply and the clinical relevance of the kidney vasculature have served as the motivation for numerous researchers to find a reliable method of visualizing the renal arteries [ 21 ]. For this purpose, both autopsy and imaging techniques have been used: ultrasound, CTA, and magnetic resonance angiography [ 1 , 2 , 12 , 14 ].…”

Section: Discussionmentioning

confidence: 99%

Does the type of renal artery anatomic variant determine the diameter of the main vessel supplying a kidney? A study based on CT data with a particular focus on the presence of multiple renal arteries

et al. 2017

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BackgroundAn in-depth knowledge of renal vascular anatomy is essential when planning many surgical procedures; however, a few data exists regarding renal artery diameter. The aim of this study was to assess this morphological feature and to investigate whether a correlation exists between renal artery diameter and the type of arterial supply, with a particular emphasis on variant anatomy and the presence of multiple renal arteries.Materials and methodsComputed tomography angiography (CTA) studies of 248 patients, i.e., a total of 496 kidneys, were evaluated. The mean age of the patients was 66.4 ± 15.01 years. Renal artery diameter was measured based on the type of arterial blood supply.ResultsThe frequency of occurrence of three anatomic variants of renal arterial supply was established: single renal artery (RA) 43.35%, single artery with prehilar branching (pRA) 37.30%, and multiple renal artery (mRA) 19.35%. The diameter of single renal arteries, with either prehilar or hilar branching, was significantly larger than when multiple arteries were present. A detailed analysis of just the mRA variant demonstrated that the diameter of the renal arteries in men was larger (p = 0.012) than those in women and that there was no difference in diameter with regard to the side of the body (p = 0.219).ConclusionsThe classification described in our study containing a detailed description of renal artery diameter. It may be helpful in clinical practice, especially for transplantologists, surgeons, and vascular surgeons.

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Section: Discussionmentioning

confidence: 99%

Does the type of renal artery anatomic variant determine the diameter of the main vessel supplying a kidney? A study based on CT data with a particular focus on the presence of multiple renal arteries

et al. 2017

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“…A recent study published by Sosnik H revealed that renal arterial variations were prevalent in the Polish population (15). Stasikiewicz et al also observed that the incidence of multiple renal arteries was 27% (16). Stasikiewicz et al also found that the incidence of supernumerary renal arteries is more common on the right kidney.…”

Section: Discussionmentioning

confidence: 96%

“…In contradistinction to Satyapal et al (11) and Stasikiewicz et al Nowadays, supernumerary renal arteries are no longer contraindication for laparoscopic donor nephrectomy procedure. However, awareness of supernumerary arteries may help to obviate possible complications (16,18). Prehilar or double hilar branching is a standard variant in which the main artery of the kidney subdivides into segmental arteries at a more proximal level before entering the hilum of the kidney.…”

Section: Discussionmentioning

confidence: 99%

Vascular variations of the kidney, retrospective analysis of computed tomography images of ninety-one laparoscopic donor nephrectomies, and comparison of computed tomography images with perioperative findings

et al. 2020

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Background: In this retrospective study, we aimed to determine the variations of kidney arteries and veins in kidney donor patients who underwent preoperative, computed tomography angiography. Materials and methods:We analyzed kidney computed tomography angiography findings of ninety-one donor nephrectomy patients operated from July 2016 through December 2017.Demographics, vascular diameters, abnormalities, numbers, branching variations, routing variations of arteries, and veins were assessed according to computed tomography angiography images. We also compared the radiological findings with perioperative findings.Two radiologists evaluated computed tomography angiography images, and the same surgical team performed all donor nephrectomies by laparoscopic approach.Results: Ninety-one of the 96 patients involved to study. Forty-six (50.5%) patients were female. Thirty-five (38.4%) of 91 cases had accessory arteries. Seven right (7.6%), one left (1.1%) and eight (8.7%) bilateral double hilar artery was observed on computed tomography angiography. No statistically significant difference was observed in the evaluation of the side of accessory/ polar arteries (p>0.05), and in the evaluation of the distribution of arterial/ venous variations according to perioperative findings (p>0.05). However, in the evaluation of computed tomography angiography images, we found that the diameter of the kidney artery and vein differed according to gender and side. Conclusions:The knowledge of the vascular variations of the kidney is essential for surgeons performing kidney transplantation. It is also essential for urologist and vascular surgeons.Incompatible with the literature, the right kidney has more vascular variations and, one kidney artery is found in the majority of Turkish kidney donor patients.

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“…Typically, single renal arteries branch off from both sides of the aorta and then bifurcate, near the renal hilum, into the anterior and posterior branches, which divide further into segmental arteries supplying different renal segments. It is common to see more than 1 renal artery supplying a single kidney, and previous investigators described cases with renal arteries of varying numbers and courses [18,22,[26][27][28][29]. The frequency of multiple renal arteries is determined by the feature of population.…”

Section: Discussionmentioning

confidence: 99%

“…The frequency of multiple renal arteries is determined by the feature of population. For example, in Caucasian and African populations a high incidence of multiple renal arteries is observed (30-40%), compared to Indian population (13.5%) [22,27]. The frequency of presence of multiple renal arteries varies widely with ethnicity.…”

Section: Discussionmentioning

confidence: 99%

Four left renal arteries — a rare variant of kidney arterial supply

et al. 2015

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We describe the arterial supply of a human kidney harvested post-mortem from a 75-year-old female volunteer body donor. The kidney was analysed with contrast-enhanced computed tomography, and corrosion casting was used to reveal the kidney's angio-architecture. In the left kidney, we observed four renal arteries, each originating directly from the abdominal aorta. Three renal arteries, including the main renal artery, coursed through the renal hilum, and the fourth renal artery reached the lower kidney pole. The supply areas of each of the four renal arteries were analysed with a 3D reconstruction of computed tomography images and with corrosion casting. There were no clear boundaries between the areas supplied by the four renal arteries because their branches overlapped in most kidney segments.

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Supernumerary renal vessels: analysis of frequency and configuration in 996 computed tomography studies

Abstract: (Folia Morphol 2016; 75, 2: 245-250)

Cited by 8 publications

References 13 publications

Does the type of renal artery anatomic variant determine the diameter of the main vessel supplying a kidney? A study based on CT data with a particular focus on the presence of multiple renal arteries

Does the type of renal artery anatomic variant determine the diameter of the main vessel supplying a kidney? A study based on CT data with a particular focus on the presence of multiple renal arteries

Vascular variations of the kidney, retrospective analysis of computed tomography images of ninety-one laparoscopic donor nephrectomies, and comparison of computed tomography images with perioperative findings

Four left renal arteries — a rare variant of kidney arterial supply

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