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Journal articles on the topic 'Double renal arteries and veins'

Author: Grafiati

Published: 7 June 2025

Last updated: 2 August 2025

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1

Bala Murali Krishna Patibandla, Mriganka Deuri Bharali, Ershad Hussain Galeti, and Saqib Shahab. "Evaluation of renal vasculature and its variants by CT angiography." Asian Journal of Medical Sciences 13, no. 7 (2022): 208–15. http://dx.doi.org/10.3126/ajms.v13i7.42770.

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Background: Kidneys are a pair of retroperitoneal organs supplied by a single renal artery and vein. However, the classic illustration of the renal vasculature, formed by one renal artery and one renal vein, occurs in ≤25% of cases. MDCT angiography is presently the most preferred investigation for assessing prospective renal donors. Aims and Objectives: This study aims to familiarize urologists with the variations found in the renal vascular system, emphasizing prevalence, the adequate, appropriate terms, and the clinical and surgical implications involved. Materials and Methods: A cross-sect

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2

Khin, Phyu Pyar, Yan Naing Saw, Moe Hlawn, et al. "A-28-Years-Old Man Received Kidney with Double Renal Arteries and Veins from Younger Sister: A Successful Laparoscopic Living Donor Nephrectomy." International Journal of Medical Science and Clinical Research Studies 04, no. 11 (2024): 2005–10. https://doi.org/10.5281/zenodo.14069846.

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A-28-years-old man living donor kidney transplant recipient received kidney from younger sister. The transplant team decided to leave the right kidney which had better function though  left kidney had double renal arteries and veins. Laparoscopic left donor nephrectomy was done successfully. This is our first case of laparoscopic donor nephrectomy with double renal arteries and veins done in Aung Ban Hospital.

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3

Giri, Rohit Kumar, Shubhekshya Regmi, and Hensan Khadka. "Morphometric Study of Renal Vasculature with Multidetector Computed Tomography." Medical Journal of Eastern Nepal 4, no. 01 (2025): 4–9. https://doi.org/10.3126/mjen.v4i01.80694.

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Background: The end-stage renal disease is a public health problem with an increasing incidence rate and preoperative evaluation of renal vessels is important for transplant. The arteries and veins differ in terms of their level of origin, size, obliquity, level of confluence, tributaries, and relationships. The purpose of the study was to examine how common different anatomical variations in the renal vessels are, using Triple phase Contrast Enhanced Computed Tomography (CECT). Methods: A cross-sectional observational study was conducted. A total of 89 patients undergoing Triple Phase CECT of

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4

Kamanda, Martin Ian. "Left double polar renal arteries, left triplicate (preaortic, accessory and retroaortic) renal veins associated with extrinsic pelviureteric junction obstruction and posterior nutcracker phenomenon." BJR|case reports 7, no. 5 (2021): 20200086. http://dx.doi.org/10.1259/bjrcr.20200086.

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The renal vasculature and its various congenital anomalies have been studied and documented widely in the literature. However, the concomitant occurrence of renovascular morphological anomalies with vascular compression phenomena in a single patient is a rarity. This is a case of a patient with double left renal arteries, preaortic, accessory and retroaortic left renal veins. There was also associated with vascular compression phenomena in the form of posterior nutcracker phenomenon and pelviureteric junction obstruction (PUJ) due to the double-crossing inferior left polar renal artery and ret

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Aragão, José Aderval, Helen Lima Gomes, Hiago Vinícius Dantas Costa, Israel Santos Marcelo, and Paula Santos Nunes. "Double right renal vein: clinical and surgical implications and review of the literature." International Journal of Basic and Applied Sciences 4, no. 2 (2015): 178. http://dx.doi.org/10.14419/ijbas.v4i2.4421.

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<p><strong>Context:</strong> Variations in renal vascular morphology are relatively common and involve both the renal arteries and the renal veins. Presence of supernumerary vessels is the variation most frequently encountered. Knowledge of such findings is valuable for urologists with regard to kidney transplantation, nephrectomy, vascular anastomosis, selective catheterization and many other surgical procedures on the kidneys.</p><p><strong>Objective:</strong> To report on a case of duplication of the right renal vein and its clinical and surgical im

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Miorin, Ana, Rôksanny Cabral, Rafael Bellini, Fernando Batigália, Erivelto Chacon, and Nagib Pezati Boer. "Hilar Arteriovenous Pattern in a Case of Horseshoe Kidney." Journal of Morphological Sciences 35, no. 04 (2018): 229–32. http://dx.doi.org/10.1055/s-0038-1675763.

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AbstractHorseshoe kidney is a poor congenital formation that results in the union of the lower poles of the kidneys through the fibrous isthmus that crosses the median line, with a prevalence of 0.25% (1 in 400 births), a higher rate in males (2:1 or 3:1), and an important variation in the arrangement of arteries and veins in the hilum. The present study aims to describe the arteriovenous pattern in the renal hilum in a case of horseshoe kidney. A conventional retroperitoneal dissection was performed in a 64-year-old female corpse of brown skin color, legally belonging to the Anatomy Laborator

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7

N., Esther Yamuna, Linda J.B., and Jos Hemalatha G.A. "Variations of Renal Artery and its Clinical Significance in South Indian Population." International Journal of Pharmaceutical and Clinical Research 16, no. 7 (2024): 16–21. https://doi.org/10.5281/zenodo.12740872.

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<strong>Background: </strong>Normally both kidneys are supplied by a pair of renal arteries which arises from abdominal aorta at the level of intervertebral disc between L1 and L2 vertebrae. Presence of additional renal arteries are most frequent variation which is to be considered in doing the interventional radiological procedures, renal surgeries & renal transplantation. Our Purpose of the study is to observe the presence or absence of accessory renal artery, their number, side of origin presence or absence of extrarenal branches. <strong>Materials and Method: </strong>Th

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8

Kisipan, M., D. Oduor-Okelo, A. Makanya, and D. Onyango. "The structure, morphometry and vascular perfusion of the testis in the rufous sengi (Elephantulus rufescens)." Journal of Morphological Sciences 31, no. 03 (2014): 146–55. http://dx.doi.org/10.4322/jms.054613.

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Abstract Introduction and Materials and Methods: Sengis are testicondid, monogamous afrotherian mammals. The testes, pattern of testicular blood vessels and anatomical disposition of caudal vena cava were examined macroscopically in the rufous sengi (Elephantulus rufescens). Testicular structure was further studied microscopically and its components quantified using stereology. Results: The testes were cylindrical in shape and located caudolateral to the kidneys. The testicular arteries branched from renal arteries, ran to the respective testicles without close association with other vessels,

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9

K., Vishal, Vinay K. V., and Remya K. "RETRO-AORTIC LEFT RENAL VEIN WITH DOUBLE LEFT RENAL ARTERY: A CASE REPORT." Journal of Health and Allied Sciences NU 04, no. 01 (2014): 126–28. http://dx.doi.org/10.1055/s-0040-1703749.

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Abstract:The kidneys are the excretory organs. The kidneys are supplied by right and left renal arteries at the level of second lumbar vertebrae. They are drained by right and left renal vein which runs anterior to renal arteries.During routine dissection of an adult male cadaver in the department of Anatomy, we observed an unusual variation in the blood vessels supplying left kidney.These variations are due to persistence of embryonic vessels.Though variations in the renal vessels are common, proper knowledge of variations is essential not only to the anatomists but also for the clinicians an

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10

Kollukkad, Manoj, and Dereje Getachew. "BILATERAL DOUBLING OF RENAL ARTERIES IN AN ETHIOPIAN MALE CADAVER: A CASE REPORT. Doble arteria renal bilateral en un cadáver masculino etíope: reporte de un caso." Revista Argentina de Anatomía Clínica 6, no. 3 (2016): 180–84. http://dx.doi.org/10.31051/1852.8023.v6.n3.14144.

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Con los recientes avances en transplantes renales, y con los crecientes avances en reconstrucciones reno-vasculares a través del conocimiento profundo de la anatomía normal y que sus variantes en la vascularización renal son muy importante. En relación a esto dado el interés académico para anatomistas, así como para los médicos. Se presenta un caso de duplicación bilateral de los vasos renales. Hemos observado la presencia de la duplicación bilateral de vasos renales. En el lado derecho de las arterias renales, uno superior y otro inferior surgiendo de la aorta abdominal. La arteria superior e

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11

Simon, M., W. Röckl, C. Hornig, et al. "Receptors of vascular endothelial growth factor/vascular permeability factor (VEGF/VPF) in fetal and adult human kidney: localization and [125I]VEGF binding sites." Journal of the American Society of Nephrology 9, no. 6 (1998): 1032–44. http://dx.doi.org/10.1681/asn.v961032.

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Vascular endothelial growth factor (VEGF) has an important function in renal vascular ontogenesis and is constitutively expressed in podocytes of the adult kidney. The ability of VEGF to be chemotactic for monocytes and to increase the activity of collagenase and plasminogen activator may have implications for renal development and renal disease. In humans, the cellular actions of VEGF depend on binding to two specific receptors: Flt-1 and KDR. The aims of this study were: (1) to localize VEGF receptor proteins in human renal ontogenesis; (2) to quantify VEGF binding in human fetal and adult k

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Kovačević, Nina, Marko Hočevar, Gregor Vivod, and Sebastjan Merlo. "Vascular and Urinary Tract Anatomic Variants Relevant to Para-Aortic Lymphadenectomy in Women with Gynecological Cancers." Cancers 15, no. 20 (2023): 4959. http://dx.doi.org/10.3390/cancers15204959.

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Background: Para-aortic lymphadenectomy is an essential part of gynecologic oncologic surgical treatment. The surgeon should be aware of the complex usual anatomy and its common variants. Methods: Between January 2021 and May 2023, 58 women underwent para-aortic lymphadenectomy for gynecologic malignancies. Results: Vascular and urinary tract anatomic variants were retrospectively reviewed from the prospective institutional database and results were compared with preoperative contrast-enhanced abdominal CT. Of these 58 women, 47 women had no vascular or urinary tract variants. One woman had a

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13

Anjali, Jain, and S. Malipatil G. "Analysis of the Arrangement of Renal Hilar Structure and Their Variation." International Journal of Pharmaceutical and Clinical Research 14, no. 12 (2022): 1226–31. https://doi.org/10.5281/zenodo.13882662.

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<strong>Introduction: </strong>The hilum is the intermediate concavity of the kidney’s lateral edge that allows urinary vessels, lymphatic vessels, nerve plexus, as well as renal pelvis to transfer through it all and connect with the renal sinus. The main structures that pass through the hilum from front to back are the renal vein, urinary artery, as well as renal tubules. A subsidiary of the renal artery as well as distributaries of the renal vein typically transfers behind several renal pelvis. Variations in the configuration of renal hilar frameworks were frequently discovered by

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14

Madsen, Melisa, Mikel Gorostidi, Ruben Ruiz, Ibon Jaunarena, Paloma Cobas, and Arantza Lekuona. "Accessory polar renal artery not pre-operatively visualized at extra-peritoneal para-aortic lymphadenectomy." International Journal of Gynecologic Cancer 29, no. 7 (2019): 1226–27. http://dx.doi.org/10.1136/ijgc-2019-000383.

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The objective of this video is to describe the technique of extra-peritoneal para-aortic laparoscopic lymphadenectomy and emphasize potential vascular risks that should be taken into account during the procedure.The procedure was performed at Donostia University Hospital, a tertiary referral and educational center in San Sebastián, Spain.A 58-year-old woman, body mass index 25.4 kg/m2, G2P2, with a diagnosis of intermediate-risk endometrial adenocarcinoma, International Federation of Gynecology and Obstetrics (FIGO) IBG2 based on pre-operative endometrial histology and pre-operative magnetic r

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Kostic, Dusan, Lazar Davidovic, Drago Milutinovic, Radomir Sindjelic, Marko Dragas, and Momcilo Colic. "Ex vivo repair of renal artery aneurysm associated with surgical treatment of abdominal aortic aneurysm." Srpski arhiv za celokupno lekarstvo 132, no. 7-8 (2004): 250–53. http://dx.doi.org/10.2298/sarh0408250k.

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INTRODUCTION Renal artery aneurysms is relatively uncommon with reported incidence ranges from 0.3% to 1%. However, considering all visceral artery aneurysms the percentage of renal artery aneurysms is relatively high between 15-25%. The distal forms of renal artery aneurysms sometimes require "ex vivo" reconstruction and kidney autotransplantation. CASE REPORT A 75-year-old male presented with the right abdominal and back pain. He suffered from a long history of arterial hypertension and chronic renal failure over the last few months (urea blood = 19.8 mmol/l; creatinine = 198 mmol/l). Duplex

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16

Everett, Allen D., Jill V. Narron, Tamara Stoops, Hideji Nakamura, and Amy Tucker. "Hepatoma-derived growth factor is a pulmonary endothelial cell-expressed angiogenic factor." American Journal of Physiology-Lung Cellular and Molecular Physiology 286, no. 6 (2004): L1194—L1201. http://dx.doi.org/10.1152/ajplung.00427.2003.

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Hepatoma-derived growth factor (HDGF) was previously identified as a developmentally regulated cardiovascular and renal gene that is mitogenic for vascular smooth muscle and aortic endothelial cells. As reciprocal interactions of smooth muscle and endothelial cells are necessary for vascular formation, we examined whether HDGF plays a role in angiogenesis. According to immunohistochemistry, HDGF was highly expressed in endothelial cells of nonmuscularized, forming blood vessels of the fetal lung. HDGF was also expressed in endothelial cells of small (20 μm) mature arteries and veins. By Wester

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Gloviczki, Peter. "Surgical Repair of Thoracoabdominal Aneurysms: Patient Selection, Techniques and Results." Cardiovascular Surgery 10, no. 4 (2002): 434–41. http://dx.doi.org/10.1177/096721090201000426.

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Background: Repair of thoracoabdominal aortic aneurysms (TAAAs) continues to be a challenging task. Hemorrhagic shock, cardiac arrest and multisystem organ failures are the most frequent causes of death, and paraplegia and renal failure are the most devastating complications. Methods: Flawless surgical technique and the use of adjuncts to protect key organs including the brain, heart, spinal cord, liver and kidneys affect outcome. Perfection in exposure and suturing technique decreases bleeding complications, shortens cross-clamp time and assures optimal, visceral, renal and lower extremity pe

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18

Wei, C. M., L. L. Aarhus, V. M. Miller, and J. C. Burnett. "Action of C-type natriuretic peptide in isolated canine arteries and veins." American Journal of Physiology-Heart and Circulatory Physiology 264, no. 1 (1993): H71—H73. http://dx.doi.org/10.1152/ajpheart.1993.264.1.h71.

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C-type natriuretic peptide (CNP) is a hormone that shares structural homology to atrial natriuretic peptide (ANP); however, distinct receptors have been found for each in cultured aortic endothelial and smooth muscle cells. CNP in vivo reduces arterial pressure, atrial pressures, and cardiac output. These actions are consistent with a decrease in cardiac preload. Therefore, the current studies were designed to test the hypothesis that CNP is a vasodilator distinct from ANP. Rings of canine renal and saphenous arteries and renal, saphenous, and femoral veins with and without endothelium were su

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19

Kawai, Yasuaki, and Toshio Ohhashi. "Heterogeneity in responses of isolated monkey arteries and veins to atrial natriuretic peptide." Canadian Journal of Physiology and Pharmacology 67, no. 4 (1989): 326–30. http://dx.doi.org/10.1139/y89-053.

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Regional differences in responses of isolated monkey arteries and veins to atrial natriuretic peptide were investigated by recording isometric tension. Addition of atrial natriuretic peptide (4 × 10−12 to 4 × 10−8 M) produced a concentration-dependent relaxation in isolated monkey arteries and veins. No significant difference was observed between the responses to rat and human atrial natriuretic peptides. A marked heterogeneity in responses to rat atrial natriuretic peptide, however, was observed in arterial preparations. The decreasing order of the response was as follows: renal > pulmonar

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20

Riedlinger, Wolfram F. J., John M. Kissane, Matthew Gibfried, and Helen Liapis. "Congenital Bilateral Renal Arteriovenous Malformation: An Unrecognized Cause of Renal Failure." Pediatric and Developmental Pathology 7, no. 3 (2004): 285–89. http://dx.doi.org/10.1007/s10024-003-6064-0.

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Congenital renal arteriovenous malformations (AVM) are very rare abnormal communications between arteries and veins. These lesions are almost always unilateral, predominantly in the right kidney, and usually asymptomatic until adulthood. We present a unique case of bilateral renal AVM in a 10-year-old white boy who developed renal failure requiring renal transplantation. Microscopic sections of an atrophic right and a slightly larger left kidney with tortuous and dilated hilar vessels showed elaborate derangement of arteries and veins insinuating between lobules. Glomeruli were diffusely enlar

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Hakim, T. S., and S. Kelly. "Occlusion pressures vs. micropipette pressures in the pulmonary circulation." Journal of Applied Physiology 67, no. 3 (1989): 1277–85. http://dx.doi.org/10.1152/jappl.1989.67.3.1277.

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Because of the discrepancies between the arterial and venous occlusion technique and the micropuncture technique in estimating pulmonary capillary pressure gradient, we compared measurements made with the two techniques in the same preparations (isolated left lower lobe of dog lung). In addition, we also obtained direct and reliable measurements of pressures in 0.9-mm arteries and veins using a retrograde catheterization technique, as well as a microvascular pressure made with the double-occlusion technique. The following conclusions were made from dog lobes perfused with autologous blood at n

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22

Kanaskar, Dr Neelesh. "Double Accessory Right Renal Arteries." IOSR Journal of Dental and Medical Sciences 1, no. 5 (2012): 17–20. http://dx.doi.org/10.9790/0853-0151720.

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23

Sylvia, Sarita, Sridhar Kakarlapudi, Venkata Vollala, et al. "Bilateral variant testicular arteries with double renal arteries." Cases Journal 2, no. 1 (2009): 114. http://dx.doi.org/10.1186/1757-1626-2-114.

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24

Thakur, A., H. Loh, V. Mehta, R. Suri, and G. Rath. "Multiple bilateral variations in urogenital vasculature-A clinico-embryological perspective." Journal of Morphological Sciences 31, no. 04 (2014): 236–40. http://dx.doi.org/10.4322/jms.051813.

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AbstractPrecise knowledge of urogenital vascular anomalies has become extremely important in the past decade with increasing numbers of renal transplantations, minimally invasive vascular surgeries and numerous radiologic procedures. We report the presence of multiple variations in urogenital vasculature bilaterally in a 52 year old male Indian cadaver. Twin renal arteries were encountered bilaterally. Main renal artery was originating bilaterally at L1 vertebral level and accessory renal arteries were originating as ventral branches of abdominal aorta at L3 vertebral level and were travelling

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YAHIRO, Junko, and Sakuichiro MIYOSHI. "Double Left Renal Veins and Multiple Right Renal Veins Found in Japanese Adults." Okajimas Folia Anatomica Japonica 70, no. 5 (1993): 237–45. http://dx.doi.org/10.2535/ofaj1936.70.5_237.

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26

Kandur, Yaşar, and Besra Dağoğlu. "Renal CT angiography findings of bilateral double renal artery: a preliminary pediatric case report." Journal of Controversies in Obstetrics & Gynecology and Pediatrics 3, no. 2 (2025): 49–50. https://doi.org/10.51271/jcogp-0048.

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Double renal arteries are among the renal vascular variations. Among renal morphological variations, the most commonly encountered are variations in the number of renal arteries, with double renal arteries being the most frequent. The present pediatric case provides information on rare occurrence of bilateral double renal artery. CT angiography showed bilateral double renal artery in a 11 year old boy while investigating the etiology of hypertension. Also digital subtraction angiography confirmed the diagnosis. The case report raise the awareness among clinicians regarding the variations in th

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Baptista-Silva, José Carlos Costa, Marcos José Veríssimo, Marcos Joaquim Castro, André Luiz Guimarães Câmara, and José Osmar Medina Pestana. "Anatomical study of the renal veins observed during 342 living-donor nephrectomies." Sao Paulo Medical Journal 115, no. 3 (1997): 1456–59. http://dx.doi.org/10.1590/s1516-31801997000300011.

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The anatomical variations of renal veins observed during 342 nephrectomies in living donors are described, 311 cases on the left side and 31 on the right. The following anatomy of the renocava veins was observed: 1. On the left side the renal vein was always unique (311/311) and had two tributaries (suprarenal and gonadal veins) in 100 per cent and one or more renolumbar veins in 65.27 per cent, encircling the aorta in 1.07 per cent, was retroaortic in 1.4 per cent; and the inferior vena cava was double in 0.64 per cent; B- on the right side the renal vein was double in 29 per cent (9/31) and

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28

Hirsch, Tobias. "The natural history of pelvic veins." Turkish Journal of Vascular Surgery 32, Supplement(1) (2023): 22–23. http://dx.doi.org/10.9739/tjvs.1970.01.219.

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The paired leg and pelvic veins as well as the gonadal and renal veins flow into the unpaired inferior vena cava. The abdominal aorta splits into two iliac branches. This results in numerous crossings of the closely adjacent vessels and causes hemodynamic effects. The reason behind this lies in the embryological development. Early on in human development, primitive arteries and veins form from a capillary network. The limb, renal and testicular veins as well as the inferior vena cava develop from the cardinal vein system and are initially created in pairs. Remodelling and regression processes

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29

CB, Tessema. "Variations in the Drainage Pattern of Testicular and Renal Veins, and Bilateral Duplication of Renal Arteries with Prehilar Divisions." Journal of Human Anatomy 7, no. 1 (2023): 1–6. http://dx.doi.org/10.23880/jhua-16000170.

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The dissection of a 76-year-old male donor with a consent for research and publication, revealed variations of the renal and testicular vasculature where the right testicular vein joined a right accessory renal vein to form a common trunk that opened into the right renal vein. The left renal vein descended obliquely to the left ventral to the pair of left renal arteries, under crossed the prehilar branches of the arteries dorsally as it approaches the left kidney and entered the hilum posterior to the arterial branches. Both kidneys were supplied by two renal arteries (superior and inferior).

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M. Y., Gagandeep, Gautam M., Abhinaya G., and Sindhu N. "Multidetector computed tomographic urography for evaluation of vascular and ureteric anomalies associated with ectopic kidneys." International Journal of Research in Medical Sciences 10, no. 12 (2022): 2893. http://dx.doi.org/10.18203/2320-6012.ijrms20223080.

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Background: The purpose of this study is to evaluate the vascular and ureteric anomalies associated with ectopic kidneys with multidetector computed tomography (MDCT). Methods: The 40 patients with pre-diagnosed ectopic kidney undergoing MDCT urography (Contrast study) and KUB (Plain study) were included in this cross-sectional observational study. The location and number of bilateral kidneys were assessed. The number and origin of the renal arteries and renal veins were noted. Their relationship with each other and possible complications in surgical handling analysed. Data collected was analy

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Paudel, Nabin, Amit Jha, and Ujjwal Dahal. "Variations of Renal Vasculature in Multi Detector Computed Tomography Evaluation of Abdomen." Journal of Nepalgunj Medical College 20, no. 1 (2022): 66–69. http://dx.doi.org/10.3126/jngmc.v20i1.48346.

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Introduction: Normal vascular supply to each kidney is by a single artery and vein on each side. This normal pattern is not found in all cases. Arterial variations can be accessory renal arteries which can be hilar, upper polar or lower polar and early branching. Venous variations can be late confluence, multiple renal veins and on left there can be retroaortic or circumaortic course of the left renal vein. Aims: To evaluate renal vasculature variations in patients who undergo contrast enhanced MultiDetector Computed Tomography of the abdomen. Methods: This was a hospital based cro

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O'Connor, Paul M., and Roger G. Evans. "Structural antioxidant defense mechanisms in the mammalian and nonmammalian kidney: different solutions to the same problem?" American Journal of Physiology-Regulatory, Integrative and Comparative Physiology 299, no. 3 (2010): R723—R727. http://dx.doi.org/10.1152/ajpregu.00364.2010.

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Tissue oxygen levels are tightly regulated in all organs. This poses a challenge for the kidney, as its function requires blood flow, and thus, oxygen delivery to greatly exceed its metabolic requirements. Because superoxide production in the kidney is dependent on oxygen availability, tissue hyperoxia could drive oxidative stress. In the mammalian renal cortex, this problem may have been solved, in part, through a structural antioxidant defense mechanism. That is, arteries and veins are closely associated in a countercurrent arrangement, facilitating diffusional arterial-to-venous (AV) oxygen

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Thom, S., A. Hughes, G. Martin, and P. S. Sever. "Endothelium-dependent relaxation in isolated human arteries and veins." Clinical Science 73, no. 5 (1987): 547–52. http://dx.doi.org/10.1042/cs0730547.

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1. The role of the endothelium in mediating relaxation to acetylcholine, the calcium ionophore A23187, vasoactive intestinal peptide and peptide histidine methionine was studied using isolated human blood vessels. 2. Segments of renal, colic, pulmonary, uterine, transverse cervical, brachial, coronary and coeliac branch arteries, and saphenous veins, were obtained from surgical resection material for use in tissue bath studies. 3. Acetylcholine or A23187 produced endothelium-dependent relaxation in isolated vessels from all vascular beds studied. Coronary arteries, however, differed in their r

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Aragão, José Aderval, Danillo Primo Andrade Santana, Ellen Caroline da Conceição Brandão, Viviane Freitas Andrade, Marianna Ribeiro de Menezes Freire, and Francisco Prado Reis. "Bilateral accessory renal arteries in a fetus: importance for surgical and radiological practice." International Journal of Basic and Applied Sciences 4, no. 3 (2015): 288. http://dx.doi.org/10.14419/ijbas.v4i3.4702.

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<p><strong>Context:</strong> Knowledge of anatomical variations of the renal vessels is considered important, in view of the increasing use of kidney transplantation, vascular reconstruction and imaging methods.</p><p><strong>Objective:</strong> To report on a case of triple right renal artery, and double left renal artery and its clinical-surgical implications.</p><p><strong>Case report:</strong> In a female fetal cadaver of age 30 weeks, multiple renal arteries were observed: triple in the right and double in the left renal ar

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Bordei, P., E. Şapte, and D. Iliescu. "Double renal arteries originating from the aorta." Surgical and Radiologic Anatomy 26, no. 6 (2004): 474–79. http://dx.doi.org/10.1007/s00276-004-0272-9.

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Roos, C. M., G. F. Rich, D. R. Uncles, M. O. Daugherty, and D. U. Frank. "Sites of vasodilation by inhaled nitric oxide vs. sodium nitroprusside in endothelin-constricted isolated rat lungs." Journal of Applied Physiology 77, no. 1 (1994): 51–57. http://dx.doi.org/10.1152/jappl.1994.77.1.51.

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We localized the sites of vasodilation of inhaled nitric oxide (NO), a selective pulmonary vasodilator, and sodium nitroprusside (SNP) in isolated rat lungs. The sites were determined by analyzing the arterial, venous, and double-occlusion data with a two-resistor (small arteries and veins) three-capacitor (large arteries, large veins, and capillaries) model of the pulmonary vascular bed. Inhaled NO (170 and 670 ppm) and SNP (22.5 and 45.0 micrograms) decreased the small-artery resistance by 7.4 +/- 1.6, 17.2 +/- 2.2, 14.2 +/- 2.8, and 21.4 +/- 3.4% and the small-vein resistance by 13.5 +/- 3.

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Lee, Chang-Joon, Jennifer P. Ngo, Saptarshi Kar, Bruce S. Gardiner, Roger G. Evans, and David W. Smith. "A pseudo-three-dimensional model for quantification of oxygen diffusion from preglomerular arteries to renal tissue and renal venous blood." American Journal of Physiology-Renal Physiology 313, no. 2 (2017): F237—F253. http://dx.doi.org/10.1152/ajprenal.00659.2016.

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To assess the physiological significance of arterial-to-venous (AV) oxygen shunting, we generated a new pseudo-three-dimensional computational model of oxygen diffusion from intrarenal arteries to cortical tissue and veins. The model combines the 11 branching levels (known as “Strahler” orders) of the preglomerular renal vasculature in the rat, with an analysis of an extensive data set obtained using light microscopy to estimate oxygen mass transfer coefficients for each Strahler order. Furthermore, the AV shunting model is now set within a global oxygen transport model that includes transport

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PROMWIKORN, WARAPORN, SAKPORN THONGPILA, WISUIT PRADIDARCHEEP, THAWORN MINGSAKUL, PANJIT CHUNHABUNDIT, and REON SOMANA. "Angioarchitecture of the coeliac sympathetic ganglion complex in the common tree shrew (Tupaia glis)." Journal of Anatomy 193, no. 3 (1998): 409–16. http://dx.doi.org/10.1017/s0021878298004063.

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The angioarchitecture of the coeliac sympathetic ganglion complex (CGC) of the common tree shrew (Tupaia glis) was studied by the vascular corrosion cast technique in conjunction with scanning electron microscopy. The CGC of the tree shrew was found to be a highly vascularised organ. It normally received arterial blood supply from branches of the inferior phrenic, superior suprarenal and inferior suprarenal arteries and of the abdominal aorta. In some animals, its blood supply was also derived from branches of the middle suprarenal arteries, coeliac artery, superior mesenteric artery and lumba

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Lyzikov, Aleksei, Sergei Shilko, Tatyana Drobysh, Mark Kaplan, Victor Tsikhmanovich та Yuliya Kulikovich. "Strength analysis of vena saphena magna as a material for для autoprosthesis of arteries". Russian journal of biomechanics. 26, № 1 (2022): 75–83. http://dx.doi.org/10.15593/rjbiomech/2022.1.07.

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The mechanical tests of saphenous veins on static tension have been carried out. Significant factors affecting the strength of the vein are the varicose vein transformation and thickness of the vascular wall. The ultimate strength of samples without varicose transformation is significantly (0.9 MPа) higher than that of veins with varicose transformation and the increasing in the thickness walls by 1 mm decreases this parameter by 3.9 MPa. At the same time, the minimum values of ultimate strength the for both groups was more than 0.4 MPa (3000 mm Hg), which allow us to use the veins for prosthe

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Howie, Alexander J., Richard L. Bryan, and Bridget K. Gunson. "Arteries and veins formed within renal vessels: a previously neglected observation." Virchows Archiv A Pathological Anatomy and Histopathology 420, no. 4 (1992): 301–4. http://dx.doi.org/10.1007/bf01600208.

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Mrvić, Verica, Rizah Avdić, Nedžad Hadžiomerović, et al. "Renal vasography in mink (Mustela vison)." Acta Veterinaria 67, no. 1 (2017): 71–81. http://dx.doi.org/10.1515/acve-2017-0007.

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AbstractThis paper presents the results of the research on renal blood vessels of the mink. The main goal of this research is to provide a unique insight in renal vessel constellation and thereby contributes to the amount and quality of the available data on the cardiovascular system of the mink, since the data found in the available literature regarding this specific field is rather poorly documented. Blood vessels of the mink kidney were studied by dissection and corrosion injection technique. The renal artery and its branches, and the lobar, interlobar and interlobular arteries are terminal

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Shahanas, P. S., V. Narayanan Unni, Minnu Prasannan, Bipi Prasannan, and Deepak Charles. "Vaccine-induced Thrombotic Thrombocytopenia and Graft Thrombosis in a Renal Transplant Recipient." Indian Journal of Transplantation 18, no. 3 (2024): 313–16. http://dx.doi.org/10.4103/ijot.ijot_124_23.

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Abstract The use of COVID-19 vaccines has been associated with sporadic reports of thrombosis with thrombocytopenia, a complication referred to as vaccine-induced immune thrombotic thrombocytopenia (VITT). Early recognition of this entity before the occurrence of thrombosis detected by imaging is termed as a pre-VITT syndrome. Thrombosis has been reported to occur in the cerebral venous system, splanchnic veins as well as arteries to the lower limbs. We present the case of a young renal transplant recipient who presented with VITT following ChAdOx1 nCoV-19 (Covishield) vaccination; in this cas

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Ersöz, S., A. Tüzüner, B. Erkek, S. Esen, and E. Anadol. "Double renal arteries in living-related kidney transplantation." Transplantation Proceedings 32, no. 3 (2000): 604. http://dx.doi.org/10.1016/s0041-1345(00)00912-x.

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Nguyen, Ba. "Multi-detector CT Imaging of Double Left Renal Veins." Radiology Case Reports 1, no. 2 (2006): 47–49. http://dx.doi.org/10.2484/rcr.2006.1.47.

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Nguyen, Ba D. "Multi-detector CT Imaging of Double Left Renal Veins." Radiology Case Reports 1, no. 2 (2006): 47–49. http://dx.doi.org/10.2484/rcr.v1i2.14.

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Alexander, A., G. Serena, J. González, W. DeFaria, and G. Ciancio. "Renal transplantation using vascular conduit reconstruction in deceased kidneys with multiple renal arteries and short renal veins." Actas Urológicas Españolas (English Edition) 44, no. 9 (2020): 623–29. http://dx.doi.org/10.1016/j.acuroe.2020.10.003.

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T, Sreekanth, Simmi Soni, and Ibrahim Quadri. "AN EXCEPTIONAL CASE OF QUADRUPLE RENAL ARTERIES & TWIN RENAL VEINS WITH CROWDED HILAR ANATOMY." Journal of Evolution of medical and Dental Sciences 2, no. 8 (2013): 828–35. http://dx.doi.org/10.14260/jemds/346.

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Singh, Dinesh, Sidney C. Abreu, Mete Kilciler, et al. "1951: Laparoscopic Living Donor Nephrectomy in Patients with Multiple Renal Arteries or Anomalous Renal Veins." Journal of Urology 171, no. 4S (2004): 515. http://dx.doi.org/10.1016/s0022-5347(18)39143-2.

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Wahengbam, S. "Bilateral double renal arteries associated with altered left renal hilar architecture." Journal of the Anatomical Society of India 65 (September 2016): S124. http://dx.doi.org/10.1016/j.jasi.2016.08.404.

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Park, E. H., J. Kim, and S. P. Yoon. "A combined variation of the right urogenital veins and bilaterally renal arteries." Folia Morphologica 74, no. 3 (2015): 399–401. http://dx.doi.org/10.5603/fm.2015.0058.

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