Morphological and clinical aspects of the occurrence of accessory (multiple) renal arteries

Gulas, Ewelina; Wysiadecki, Grzegorz; Szymański, Jacek; Majos, Agata; Stefańczyk, Ludomir; Topol, Mirosław; Polguj, Michał

doi:10.5114/aoms.2015.55203

Cited by 48 publications

(47 citation statements)

References 69 publications

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“…We did not find a statistically significant relationship between the prevalence of extra renal arteries and the location of the horseshoe kidney in relation to the midline, which stays in opposition to the results published by Taghavi et al [ 38 ]. Available data on the prevalence of right- and left-sided extra renal arteries in individuals with separated kidneys are inconclusive, and likewise in the case of horseshoe kidneys, those vessels are not always observed and their presence seems to be population-specific [ 20 , 21 ].…”

Section: Discussionmentioning

confidence: 99%

The level of origin of renal arteries in horseshoe kidney vs. in separated kidneys: CT-based study

et al. 2018

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PurposeHorseshoe kidney is a rare congenital anomaly with potential clinical implications. The aim of this study was to determine the number of renal arteries and veins and the level at which the arteries branched off their parental vessels in individuals with horseshoe kidney (HSK) and in persons with separated kidneys (SK).Materials and methodsThe analysis included computed tomography angiography studies of 331 patients (83 HSK and 248 SK). The number of renal vessels and diameters of renal arteries were determined, along with the level at which they branched in relation to other ramifications (four groups of origin were proposed) and their entrance of the vessels to the kidney.ResultsNumber of renal arteries in HSK group was 4.57 ± 1.39 per patient and 2.4 ± 0.43 in SK group (p < 0.0001). The distribution of branching level of renal arteries in HSK group was: I group ~ 57%, II group ~ 27%, III group ~ 15% and IV group < 1%, whereas in SK group the distribution was respectively: I group ~ 99%, II group < 1%, III and IV group − 0% (p = 0.0001). In HSK group, diameter of renal arteries branching above the IMA was 4.61 ± 1.58 mm, as compared with 3.96 ± 1.34 mm for the arteries branching below (p = 0.0004). Number of veins was 566 in SK group (87.70% of kidneys were supplied by single vein) and 323 in HSK group (9.64% kidneys were supplied by two veins) (p < 0.0001).ConclusionIn HSK group, renal arteries significantly more often branch off their parental vessels below the origin of IMA and such vessels are usually smaller.

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Section: Discussionmentioning

confidence: 99%

The level of origin of renal arteries in horseshoe kidney vs. in separated kidneys: CT-based study

et al. 2018

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“…55 The most popular visualizing techniques of vessels include angiography, computed tomography, ultrasonography, magnetic resonance, and their modifications. While many studies are based on dissected cadavers or specimens from the autopsy, other angiographic studies are based on living patients.…”

Section: Visualising Techniquementioning

confidence: 99%

Accessory (multiple) renal arteries – Differences in frequency according to population, visualizing techniques and stage of morphological development

et al. 2016

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The aim of this paper is to comprehensively analyze the literature focused on frequency of the presence of the accessory renal arteries in the human body. A systematic analysis of papers has been made. With regard to ethnicity, the incidence of accessory renal arteries fluctuates from 4% in a Malaysian population to 61.5% in a Brazilian population. The frequency is lowest in eastern and southern Asia (from 4% to 18.4%). In some, not ethnically homogenous populations, wide span of occurrence of accessory renal arteries is described (e.g. American - averaging from 18% to 28.8%). A higher frequency of accessory renal arteries was observed in fetuses compared to adults. Moreover, differences in the presence and number of accessory renal arteries reported in different papers are a consequence of type of visualizing technique used in research - especially when computed tomography and anatomical dissection were compared. The increasing number of surgical interventions, especially where laparoscopic methods are concerned, underlines the importance of such knowledge especially to surgeons, interventional radiologists, nephrologists, and vascular surgeons.

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“…29 Literature review showed that variation in the incidence of presence of ARA in different studies was probably due to a complex embryogenesis of kidneys and renal vasculature. 12,30 In our study among different types of accessory renal arteries we found most frequent superior polar artery 14.9% (n=37), then hilar artery was 10.2% (n=26) and lowest frequency of inferior polar artery 1.3% (n= 3). A study conducted in India reported highest incidence of hilar accessory artery 22.6 %, than superior polar artery was 13.1 % and lowest incidence of inferior polar artery 7.1%.…”

Section: Discussionmentioning

confidence: 54%

“…Extra renal arteries are vestigial structures that develop due to failure to degenerate, during ascent of primordial permanent kidney (metanephros). 12 In developing human embryo, permanent kidney which is metanephros ascends from pelvic cavity to abdomen. During its ascent it receives blood vessels close to it.…”

Section: Introductionmentioning

confidence: 99%

Anatomical variants of Renal vasculature: A study in adults on multidetector Computerized Tomography angiography scan.

Mohiuddin

Sundus

Raza

et al. 2020

TPMJ

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Objectives: To determine renal artery variation in adults in a subset of Karachi population by using Multidetector Computed Tomography (MDCT) angiography. Study Design: A cross sectional study. Setting: Dr. Ziauddin Hospital, Radiology Department, Karachi. Period: From January, 2017 to June, 2017. Material & Methods: Study participants were 250 individuals, who were presented to Dr. Ziauddin hospital, Karachi, Distribution, number and morphology of renal artery variation were reported on Multidetector computed angiography (MDCTA). Renal artery variation with side of the kidney and gender were analyzed. Data was analyzed on SPSS version 20 (Statistical Package for Social Sciences). Frequencies and percentages were calculated for renal artery variations. Results: Following parameters were observed. Out of total 250 study participants single renal artery was present in 73.6 % (184) individuals and accessory renal artery was present in 26.4% (66) individuals. Accessory renal arteries (ARA) were present in 13.8% (35) individuals and 12.6% (31) individuals on respectively on right and left sides. Among accessory renal arteries superior polar arteries were present in 14.9% (37) kidneys, hilar arteries in 10.2 % (26) kidneys and inferior polar arteries in 1.3 % (3) kidney. Conclusion: A complete knowledge of renal artery variations is essential for surgeons and interventional radiologist especially during procedures such as renal vascular interventions and renal transplant. Frequency of ARA in our studied population is comparable to Asian population.

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Morphological and clinical aspects of the occurrence of accessory (multiple) renal arteries

Cited by 48 publications

References 69 publications

The level of origin of renal arteries in horseshoe kidney vs. in separated kidneys: CT-based study

The level of origin of renal arteries in horseshoe kidney vs. in separated kidneys: CT-based study

Accessory (multiple) renal arteries – Differences in frequency according to population, visualizing techniques and stage of morphological development

Anatomical variants of Renal vasculature: A study in adults on multidetector Computerized Tomography angiography scan.

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