Digital tourniquets: a pressure study with clinical relevance |
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| Authors: | F P Hixson B B Shafiroff F W Werner A K Palmer |
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| Affiliation: | 1. Department of Dermatology and Venereolgy, Maharishi Markandeshwar Institute of Medical Sciences and Research, Mullana, India;2. University College of Medical Sciences and Guru Teg Bahadur Hospital, New Delhi, India;1. Department of Dermatology, Massachusetts General Hospital, Harvard Medical School, Boston, Massachusetts;2. Department of Population Medicine, Harvard Medical School, Boston, Massachusetts;3. Department of Pathology, Dermatopathology Unit, Massachusetts General Hospital, Boston, Massachusetts;1. University of Connecticut School of Medicine, Farmington, Connecticut;2. Department of Dermatology, University of Connecticut Health Center, Farmington, Connecticut;1. The Ronald O. Perelman Department of Dermatology, New York University, New York, New York;2. New York University School of Medicine, New York, New York |
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| Abstract: | This study measured the pressures under the three most commonly used digital tourniquets--the Penrose drain, the rolled rubber glove, and the rubber band. A miniature pressure transducer and a digital strain indicator were used to measure pressures generated by the various tourniquets. The rolled rubber glove technique was highly consistent, irrespective of the clinical experience of the subject, and uniformly generated pressures of less than 500 mm Hg. Pressures generated by Penrose drains and rubber bands were highly variable and were significantly greater than 500 mm Hg. The so-called calibrated Penrose drain generated the highest pressures in the study. The relationship between tourniquet pressures and neurovascular injury in the human digit is not clearly defined. |
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