Mechanisms and Management of Coronary Stent Dislodgment: Presentation of a Complex Case

With the widespread adoption of coronary intervention therapy worldwide, serious complications such as coronary stent dislodgment have been increasingly reported. This report analyzes a case of stent migration causing upper extremity thrombosis, highlighting emergency management strategies and key procedural insights. A case of a dislodged coronary stent with accompanying upper limb arterial thrombosis was successfully treated via surgical extraction and thrombolysis. Interventions: During a coronary intervention, a stent dislodged. Retrieval via a wire twisting technique failed when the stent lodged at the brachial-radial-ulnar bifurcation. The procedure was terminated due to prolonged time and patient intolerance. Ultrasound the next day confirmed arterial thrombosis. Emergency brachial artery exploration and foreign body retrieval were performed to remove the stent, followed by thrombectomy and urokinase thrombolysis, resulting in a good recovery. The wire twisting technique is unsuitable for narrow vessels. Maintaining vascular access is critical after dislodgement. Surgical intervention is an essential salvage option to prevent thrombosis when percutaneous methods fail.