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Safety and Efficacy of Aspiration Thrombectomy or Pharmacomechanical Thrombectomy after Catheter-Directed Thrombolysis for the Treatment of Acute Iliofemoral Deep Vein Thrombosis

Vascular Specialist International 2020년 36권 3호 p.144 ~ 150
이중권, 김경연, 변승재,
소속 상세정보
이중권 ( Lee Joong-Kwon ) - Wonkwang University Hospital Department of Surgery
김경연 ( Kim Kyung-Yun ) - Wonkwang University Hospital Department of Surgery
변승재 ( Byun Seung-Jae ) - Wonkwang University Hospital Department of Surgery

Abstract


Purpose: To evaluate the safety and efficacy of additional aspiration thrombectomy (AT) or pharmacomechanical thrombectomy (PMT) after catheter-directed thrombolysis (CDT) for the treatment of acute iliofemoral deep vein thrombosis (AIFDVT).

Materials and Methods: Between May 2017 and December 2018, 40 patients with AIFDVT were enrolled. Twenty underwent AT after CDT (CDTAT), while the remaining 20 underwent PMT using an AngioJetTM device after CDT (CDTPMT). Thrombus clearance was assessed using computed tomography venography at 1 week after the procedure, as follows: grade I, ≤50%; grade II, 51% to 75%; grade III, >75%. Grade III was considered a successful outcome. Treatment outcomes (thrombus clearance, thrombolytic therapy duration, urokinase dose, major complications, residual filter thrombosis, and Villalta score) were compared between the groups.

Results: Successful thrombus clearance was achieved in 95% of the patients in both groups. Significant decreases in the thrombolytic therapy duration (P=0.018) and urokinase dose (P=0.014) were noted in the CDTPMT group. Major complications were not noted in both groups. Residual filter thrombi >10 mm were found in 6 filters in the CDTAT group and in 1 filter in the CDTPMT group (P=0.038). The Villalta scores at 6 months were 1.47±1.24 and 1.12±0.92 in the CDTAT and CDTPMT groups, respectively (P=0.372).

Conclusion: Both methods may be safe and effective management options for patients with AIFDVT. CDTPMT can reduce urokinase dosage, time and remained filter thrombus compared to CDTAT. Studies conducted in the future should compare the effects of overnight CDT followed by PMT with those of single-session PMT on patients with AIFDVT.

키워드

Therapeutic thrombolysis; Mechanical thrombolysis; Aspiration thrombectomy; Deep vein thrombosis

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