Comparison of in vitro effectiveness of mechanical thrombectomy devices
Comparison of in vitro effectiveness of mechanical thrombectomy devices
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DOI:
10.1016/s1051-0443(07)61678-9
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发表时间:
2001-10-01
影响因子:
2.9
通讯作者:
Heller, M
中科院分区:
文献类型:
--
作者:
Müller-Hülsbeck, S;Grimm, J;Heller, M
PURPOSE: To determine the in vitro efficacy of clot removal of the following hydrodynamic thrombectomy devices: the AngioJet (AJ), Hydrolyser (HL), Oasis (OS), and Amplatz Thrombectomy Device (ATD). All devices have 6-F catheters.MATERIALS AND METHODS: Thrombectomy of 5-day-old porcine clots (n = 68; 8.5 g) was performed with the AJ without a guide wire [Aj(gw0)], with a coaxial 0.016-inch guide wire [AJ(gw.016)], and with a 0.035-inch guide wire [AJ(gw.035)]) and with the HL, OS, and ATD in an artery flow model (pulsed flow: 700 L/min) simulating the superficial femoral artery (7-mm inner tube diameter). The effluent was passed through a three-step filter system (10-1,000 gm; pressure drop: 35 mm Hg).RESULTS: Mean thrombectomy time ranged from 49 seconds (AJ(gw0)) to 88 seconds (OS; P < .001). The fluid balance with use of the AJ(gw.035) was 0.89, whereas the mean ratio of applied saline solution to aspirated fluid for the other devices was not isovolumetric (AJ(gw0), 0.8; AJ(gw.016), 0.78; HL, 0.73; OS, 0.62; P < .05). Remaining thrombus ranged in size from 8.2 mg (AJ(gw0)) to 27.3 mg (AJ(gw.035); P = .079). Hydrodynamic devices (0.6% OSI to 0.98% [AJ(gw.016)]) caused low amounts of added emboli greater 10 mum, 100 mum, and 1,000 mum. The ATD (5.19%) caused t4ew most extensive embolization (P