Hemostatic Comparison of a Polysaccharide Powder and a Gelatin Powder
2018
ABSTRACTPurpose/Aim: Powdered hemostats have been widely adopted for their ease-of-use; however, their efficacy has been limited resulting in applications restricted to low-level bleeds. This study investigates the use of bovine-derived gelatin particles (BGP) as a standalone hemostatic powder and compare BGP to commercially available microporous polysaccharide hemospheres (MPH).Materials and Methods: The powders were investigated for their hemostatic efficacy in a heparinized pre-clinical bleeding model limited to grade 1 and 2 bleeds on a validated intraoperative bleeding scale, which represents the accepted, clinical use of hemostatic powders.Results: At 10 minutes, the hemostatic success of lesions treated with BGP were 78% while MPH were 22%. The odds ratio for hemostatic success of BGP relative to MPH was 15.18 (95% CI: 7.37, 31.27). The 95% lower limit of the odds ratio was greater than 1. This indicates that BGP are superior to MPH (p < 0.001). The median time to hemostasis for BGP was 1.6 minutes...
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