Acute renal artery occlusion: the role of collateral circulation

Related Experiment Video

Updated: Oct 8, 2026

Use of a Hanging-weight System for Isolated Renal Artery Occlusion
07:54

Use of a Hanging-weight System for Isolated Renal Artery Occlusion

Published on: July 19, 2011

J R Lohse, R M Shore, F O Belzer

    Archives of Surgery (Chicago, Ill. : 1960)
    |June 1, 1982
    PubMed

    It is not known if no when the probability of success is sufficient to warrant emergency revascularization of acute renal artery occlusion. This probability depends on the ability of collateral circulation to maintain viability. The role of collateral circulation in maintaining renal viability during six and 48 hours of renal artery occlusion has been studied in mongrel dogs. Collateral circulation is sufficient to maintain renal viability beyond the three hours of warm complete ischemia known to cause infarction. It is not sufficient to prevent progressive loss of renal function. Hypertension frequently results. Emergency revascularization of acute bilateral renal artery occlusion, therefore, is indicated. It is not indicated for unilateral occlusion with adequate contralateral function because of the high probability of resulting hypertension.

    More Related Videos

    Methods for Acute and Subacute Murine Hindlimb Ischemia07:57

    Methods for Acute and Subacute Murine Hindlimb Ischemia

    Published on: June 21, 2016

    A Large Animal Model for Acute Kidney Injury by Temporary Bilateral Renal Artery Occlusion09:02

    A Large Animal Model for Acute Kidney Injury by Temporary Bilateral Renal Artery Occlusion

    Published on: February 2, 2021

    Related Concept Videos

    Anastomoses01:19

    Anastomoses

    In human anatomy, anastomosis refers to a connection or opening between two things, particularly between blood vessels or other tubular structures. The term is derived from the Greek term 'anastomosis,' which means 'outlet' or 'opening.' This natural network of connections plays a critical role in the survival and functionality of the human body.
    Anastomoses can be formed at arterial, venous, and lymphatic vessels.
    Arterial Anastomosis: These occur between arteries. They are most common in...
    The Arch of Aorta01:10

    The Arch of Aorta

    The coronary arteries, originating from the ascending aorta, bifurcate from two sinuses located within the ascending aorta. Positioned just above the aortic semilunar valve, these sinuses house essential aortic baroreceptors and chemoreceptors, crucial for maintaining cardiac function. The left coronary artery and the right coronary artery branch off from the left posterior and anterior aortic sinuses, respectively.
    Encircling the heart, the coronary arteries form a ring-like structure before...
    Blood and Nerve Supply to the Kidney01:18

    Blood and Nerve Supply to the Kidney

    The kidneys are vital organs responsible for filtering and cleaning blood, removing waste products, and regulating electrolyte levels. To perform these essential functions, they require a constant and robust blood supply.
    Bloody Supply to the Kidneys:
    The kidneys receive their blood supply from the renal arteries, which branch off from the abdominal aorta—the main artery supplying the abdomen and lower body. The renal arteries enter the kidneys at the hilum, a notch on the medial side of each...
    Imaging Studies VII: Vascular Imaging01:19

    Imaging Studies VII: Vascular Imaging

    DefinitionRenal angiography, also known as renal arteriography, is an imaging technique used to obtain a comprehensive view of blood flow and the vascular structure of blood vessels in the kidneys and surrounding areas.PurposeRenal angiography detects blood vessel abnormalities in the kidneys, such as aneurysms, stenosis, thrombosis, vascular tumors, and renal artery stenosis. It evaluates kidney function and guides interventional treatments like angioplasty or stent placement.Pre-Procedure...
    Acute Kidney Injury II: Pathophysiology01:29

    Acute Kidney Injury II: Pathophysiology

    Acute kidney injury (AKI) causes are categorized into three primary categories based on the location of the injury: prerenal, intrarenal (or intrinsic), and postrenal causes. This classification guides clinical management and illustrates how different pathways can impair kidney function.Etiology and Pathophysiology of Acute Kidney Injury1. Prerenal causesEtiology: Prerenal Acute Kidney Injury, the most common type, occurs when reduced blood flow to the kidneys decreases filtration capacity...
    Acute Kidney Injury IV: Diagnostic Studies and Prevention01:30

    Acute Kidney Injury IV: Diagnostic Studies and Prevention

    Accurate diagnosis and effective prevention are critical in managing Acute Kidney Injury (AKI), which is linked to high mortality rates ranging from 10% to 80%. Timely recognition of at-risk patients and careful monitoring can significantly reduce the likelihood of kidney damage.Diagnostic Assessments:The diagnostic process starts with a comprehensive medical history to identify prerenal, intrarenal, and postrenal causes.Prerenal causes, such as dehydration, hypotension, or blood loss, should...