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Title: Selective Angioembolisation of Iatrogenic Renal Artery Pseudoaneurysms Following Minimally Invasive Urological Procedures: A Single Centre Case Series
Authors: Narroway, Harry G ;Kovacic, James ;Bourke, Bernard ;Louie-Johnsun, Mark ;Latif, Edward ;Bourke, Victor 
Affliation: Central Coast Local Health District
Gosford Hospital
Issue Date: 9-Jun-2022
Source: Online ahead of print
Journal title: Vascular and Endovascular Surgery
Department: Urology
Vascular Surgery
Abstract: The purpose of this study was to report our centre's experience using selective angioembolisation in the treatment of iatrogenic renal artery pseudoaneurysms (RAP) following minimally invasive urological procedures. Our retrospective analysis included four consecutive patients treated with angioembolisation for iatrogenic RAP between October 2016 and October 2021. Data on demographics, minimally invasive urological intervention, clinical features, imaging findings, embolization procedure and perioperative details were collected. Rates of technical and clinical success, defined as 1. total occlusion of the extravasation site on completion digital subtraction angiography (DSA), and 2. resolution of symptoms, signs, and serum hemoglobin (Hb) derangements secondary to RAP, were analysed. Renal function, measured by serum creatinine (Cr) and estimated glomerular filtration rate (eGFR), was recorded prior to and post - angioembolisation procedure and compared. Mean time between urological intervention and angioembolisation was 9 days (range, 2-17 days). Rates of technical and clinical success were 100% and 100% respectively. No additional angioembolisation procedures were required, and there were no peri or post-operative complications identified during mean follow-up of 662 days (range, 30-1845 days). Mean serum Cr prior to and post angioembolisation was 83 mmol/L and 79.5 mmol/L. Mean eGFR prior to and post angioembolisation was 73.8 and 77.8 mL/min/1.73 m2. In all patients, no significant difference was observed in serum Cr and eGFR prior to and post angioembolisation. Iatrogenic renal artery pseudoaneurysms can occur following a range of minimally invasive urological procedures. This retrospective review highlights the utility of angioembolisation as a safe and effective treatment with high clinical and technical success rates. Further studies involving larger populations are required to validate its broader application.
DOI: 10.1177/15385744221108041
Publicaton type: Journal Article
Appears in Collections:Health Service Research

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