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. 2023 Feb;54(2):584-588.
doi: 10.1016/j.injury.2022.11.007. Epub 2022 Nov 9.

Use of the HemaClear™ elastic tourniquet reduces blood loss in operative treatment of humeral shaft fractures

Christopher Domes  1 , Nathan N O'Hara  2 , Robert V O'Toole  3 , Michael G Schloss  2 , Zachary D Hannan  2 , Raymond A Pensy  2
Affiliations

Use of the HemaClear™ elastic tourniquet reduces blood loss in operative treatment of humeral shaft fractures

Christopher Domes et al. Injury. 2023 Feb.

Abstract

Background: To determine if the use of a narrower elastic tourniquet compared to a standard pneumatic tourniquet reduces operative blood loss in the operative fixation of humeral shaft fractures.

Methods: This retrospective cohort study was performed at a level I trauma center and included 134 patients, aged 18 to 90 years, with a humeral shaft fracture treated with open reduction internal fixation (ORIF) from January 2007 through June 2018. The primary variable of interest was the application of a HemaClear™ elastic tourniquet versus a standard pneumatic tourniquet during the fixation of a humeral shaft fracture. The primary outcome was estimated blood loss (EBL) during the humerus ORIF surgery as recorded in the operative record. The secondary outcomes were total tourniquet time and operative time. The primary purpose of the study was to compare the above outcomes between the two tourniquet types.

Results: Estimated blood loss was 42% lower (95% CI: 11% to 73%, p < 0.01) in the elastic tourniquet group when compared to the standard pneumatic tourniquet group. The use of the elastic tourniquet was also associated with a 67% increase (95% CI: 35% to 100%, p < 0.01) in tourniquet time compared to the standard pneumatic tourniquet. No difference in the total operative time between the two groups (difference, -3%; 95% CI: -21 to 14, p = 0.72) was observed.

Conclusion: Elastic tourniquet use was associated with 42% less blood loss in the fixation of humeral shaft fractures compared to use of a traditional pneumatic tourniquet, although this may be of unclear clinical importance given the relatively low estimated blood loss in this cohort. The potential benefit of reduced blood loss associated with the narrower elastic tourniquet is likely caused by the increased tourniquet time, without a change in overall operative time.

Keywords: Blood loss; Elastic tourniquet; HemaClear™; Humeral shaft fractures; Pneumatic tourniquet.

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Conflict of interest statement

Declaration of interests C. Domes serves as a paid consultant for Johnson and Johnson: Synthes, unrelated to this study. N. N. O'Hara receives stock options from Arbutus Medical Inc., unrelated to the study. R. V. O'Toole serves as a paid consultant for Stryker, receives stock options from Imagen, and receives royalties from Lincotek, all unrelated to this study. The remaining authors report no conflicts.

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