Purpose: Data on the incidence, indications, and outcomes of Vascular interventions after acute Type A aortic dissection (ATAAD) repair are limited. Methods: We reviewed all patients undergoing ATAAD repair from 2015-2025 who subsequently needed vascular intervention. Interventions were classed as acute (≤14 days after index ATAAD repair), subacute (15–90 days), or late/chronic (>90 days). Multidisciplinary consensus guided intervention decisions. Results: Among 128 ATAAD repairs, median age was 64.1 years, and 75.8% (97/128) were male. Index dissection extended beyond zone 2 in 62.5% (80/128). Median follow-up was 2.2 years (IQR 0.4-4.7). Overall, 24 patients (18.8%, 24/128) underwent vascular intervention: 12 acute, 3 subacute, and 9 late/chronic. 30-day mortality was 50% (6/12), 0% (0/3), and 0% (0/9). There were no late deaths. Acute indications were: lower limb (N=3), mesenteric (N=3), renal (N=2) or cerebral malperfusion (N=2), and symptomatic distal anastomotic new entry tear (DANE: N=2, treated with conformable thoracic stent graft (cTAG)). Subacute interventions were for symptomatic DANE (N=3, thoracic branched endoprosthesis (TBE)). Late/chronic interventions were for: progression of DANE and/or residual type B dissection (N=6; TBE (N=3), cTAG (N=3)), mesenteric ischaemia (N=1), aorto-iliac aneurysm (N=1) and leg claudication (N=1). Four patients underwent late cardiothoracic aortic reoperation for pseudoanuerysm. Cumulative incidence of vascular and aortic interventions, with death as a competing risk, at 14days, 90days, 1, 3 and 5 years was 8.6%, 12.0%, 17.7%, 22.9%, and 29.9%. Conclusion: After ATAAD repair, vascular intervention was needed in almost 10% of patients acutely, and over 20% by 3 years. Acute interventions for refractory malperfusion carried high early mortality, whereas late interventions, principally for residual dissection progression, had no observed mortality. These findings support multidisciplinary decision-making, early malperfusion recognition and lifelong aortic surveillance.