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  • Title: Efficacy of a novel procedure sheath and closure device during diagnostic catheterization: the multicenter randomized clinical trial of the FISH device.
    Author: Bavry AA, Raymond RE, Bhatt DL, Chambers CE, DeNardo AJ, Hermiller JB, Myers PR, Pitts DE, Scott JA, Savader SJ, Steinhubl S.
    Journal: J Invasive Cardiol; 2008 Apr; 20(4):152-6. PubMed ID: 18398227.
    Abstract:
    BACKGROUND: The aim of vascular closure devices is to safely secure the arterial access site at the conclusion of catheterization procedures, thereby increasing patient comfort and decreasing time to hemostasis and ambulation. The FISH (femoral introducer sheath and hemostasis) device is novel in that the access sheath and closure component are incorporated onto the same system. METHODS: The FISH pivotal investigation was conducted at 8 catheterization laboratories throughout the United States. Eligible diagnostic patients were randomized (2 to 1) to the FISH device versus manual compression and assessed for time to hemostasis and time to ambulation. Half of the participants underwent ultrasonographic evaluation at 30-day follow up. Enrollment for an interventional cohort is ongoing and will be reported at a later date; however, the interventional patients enrolled to date were combined with the diagnostic patients to comprise the safety data of the trial. RESULTS: Overall, 191 patients were randomized to the FISH device and 106 patients to manual compression. Most patients received a 6 Fr sheath (approximately 70%), while the remaining patients received a 5 or 8 Fr sheath. Twenty-seven patients who received the FISH device were converted to manual compression due to anticipated suboptimal hemostasis. Among the diagnostic patients, the mean time to hemostasis was 8.9 minutes for the FISH device, compared to 17.2 minutes for manual compression (p < 0.0001). Similarly, the mean time to ambulation was 2.4 hours for the FISH device, compared to 4.3 hours for manual compression (p < 0.0001). Among the total cohort, there was 1 death and 1 episode of major access-site-related bleeding that required transfusion occurred in the FISH group (1.1%), compared to no serious adverse safety events in the manual compression group (p = 1.0). For the FISH group, there were 5 minor adverse safety events; 3 access-site hematomas and 2 pseudoaneurysms treated with thrombin injection, and in the manual compression group, there was 2 access-site hematomas and 1 pseudoaneurysm treated with thrombin injection (p = 1.0). CONCLUSION: Among diagnostic patients with good sheath placement and favorable femoral anatomy, the FISH device is superior in achieving time to hemostasis and ambulation compared to manual compression. At 30 days, there is no apparent difference in serious or minor adverse vascular events with the use of the FISH device.
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