• Rachael O Forsythe, Calvin Eng, Chloe Roy, John Cafferkey, Darja Clinch, Nicholas Ventham, Andrew L Tambyraja, Phillipa J Burns, Orwa Falah, and ChalmersRoderick T ARTAScottish National Service for Thoracoabdominal Aneurysms, Royal Infirmary of Edinburgh, Edinburgh, UK..
• Scottish National Service for Thoracoabdominal Aneurysms, Royal Infirmary of Edinburgh, Edinburgh, UK.
• Br J Surg. 2022 Jul 15; 109 (8): 711716711-716.

BackgroundSince 1999, the Scottish National Service for Thoracoabdominal Aneurysms has offered repair of thoracoabdominal aneurysms (TAAAs) to a population of 5.5 million people. The open operation most commonly performed by the service is the extent IV TAAA repair.MethodsAll extent IV open TAAA repairs performed at the Scottish National Service for TAAAs from June 1999 until April 2021 were evaluated for clinical features, technical details, and clinical outcomes. The primary outcome measure was 30-day mortality; secondary outcomes included short-term (90 days, 6 months, 1 and 2 years) and long-term (5 and 10 years) survival, perioperative complications, and reintervention. Survival was assessed using Kaplan-Meier analysis.ResultsSome 248 patients underwent extent IV TAAA repair, with elective surgery in 204 (82.3 per cent). A totally abdominal transperitoneal approach was used for all patients, with a median visceral ischaemia time of 40 (i.q.r. 35-48) min. Overall, 18 patients (7.3 per cent) died within 30 days. The proportion of patients surviving at 90 days, 6 months, 1, 2, 5, and 10 years was 0.91, 0.90, 0.89, 0.85, 0.72, and 0.41, respectively. Ten patients (4.0 per cent) required a reintervention while in hospital, four (1.6 per cent) experienced permanent spinal cord ischaemia, 19 (7.9 per cent) required temporary renal replacement therapy (RRT), and four (1.6 per cent) required permanent RRT.ConclusionOpen extent IV TAAA repair performed in a high-volume national centre is associated with favourable short- and long-term survival, and acceptable complication rates.© The Author(s) 2022. Published by Oxford University Press on behalf of BJS Society Ltd.

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