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  • Title: Ultrasound-guided thrombin injections for arterial pseudoaneurysms: a 14-year study conducted at King Khalid University Hospital Vascular Lab.
    Author: Altoijry A, Alghofili H, Al-Salman M, Alsheikh S, Aljabri B, Iqbal K, Altuwaijri T.
    Journal: Minerva Cardioangiol; 2020 Jun; 68(3):271-276. PubMed ID: 32107892.
    Abstract:
    BACKGROUND: Arterial pseudoaneurysms are a well-known complication resulting from procedures requiring arterial wall puncture. Previously, surgical repair was the definitive treatment option for arterial pseudoaneurysms despite being relatively invasive and time-consuming. Ultrasound-guided thrombin injection (UGTI) has become the standard of care since its initial description back in 1997. We aimed to evaluate the safety and efficacy of UGTI for the treatment of arterial pseudoaneurysms at the King Khalid University Hospital Vascular Lab. METHODS: A retrospective analysis of prospectively maintained data was conducted on all patients diagnosed with arterial pseudoaneurysms by Doppler ultrasound between 2006 and 2019. Patients with large arterial pseudoaneurysms (>1.5 cm) qualified for thrombin injections. Individuals with a known hypersensitive to thrombin were excluded. All included patients were treated with UGTI until resolution and were followed at postoperative days 7 and 30. RESULTS: In all, 35 patients qualified for thrombin injections. The mean age of the included patient population was 56.5 (range, 24-81) years. The majority of them were hypertensive (N.=26, 74.3%), and a quarter of them were on anticoagulant treatment (N.=9, 25%). The mean thrombin injection dose was 1000 U (range, 500-1500 U). In 34 of 35 (97.1%) patients, a thrombin injection resulted in complete thrombosis of the pseudoaneurysm lumen within a few seconds. There were no complications or recurrence of pseudoaneurysm after UGTI during the follow-up period. CONCLUSIONS: Throughout the study period of 14 years, we did not encounter any procedural complications or arterial pseudoaneurysm recurrence. This is attributed to a safe procedural technique and proper patient selection. UGTI for arterial pseudoaneurysms is a safe, successful, and convenient treatment for both patients and surgeons.
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