Measurement of distal limb sub-bandage pressure over 96 hours in horses.
EQUINE VETERINARY JOURNAL(2017)
摘要
Reasons for performing studyCurrently, there is no objective information quantifying pressures exerted by distal limb bandages. ObjectivesTo quantify the pressure exerted by each compression layer, a polo wrap (DLP), a compression bandage (DLC), and to measure the effect of time on sub-bandage pressure. Study designLongitudinal observational experiment. MethodsA DLC construct included a cotton roll compressed with brown gauze and elastic layers and the DLP construct included a pillow pad compressed by a cloth wrap. Dorsal and lateral sensors were placed on the mid-metacarpus. In healthy horses, sub-bandage pressures were recorded during application (n = 8) and at scheduled time points over the 24 (n = 9) and 96 h periods (n = 8). A generalised linear model was used to evaluate associations between pressure and sensor location, bandage type and time (P<0.05). ResultsFor the DLC, dorsal and lateral sensor pressures were 187 mmHg (95% CI 185-189 mmHg) and 142 mmHg (95% CI 133-151 mmHg). Combined sensor pressure after application of the brown gauze was 80 mmHg (95% CI 75-85 mmHg) and rose to 165 mmHg (95% CI 160-170 mmHg) after the elastic layer. Combined pressure at the end of the 96 h period was 135 mmHg (95% CI 123-147 mmHg). For the DLP bandage, location but not time was significant. Combined pressures ranged between 75 mmHg (95% CI 53-97 mmHg) and 85 mmHg (95% CI 63-107 mmHg). ConclusionsPressure distribution was not uniform. The DLP pressures were maintained for a 24 h period. The DLC maintained high pressures for 96 h, but a significant decrease in pressure occurred between 6 and 12 h. Providing there are no other reasons to change a bandage, a 4 day interval between bandages may be appropriate if maintaining distal limb compression is the principal indication.
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关键词
horse,pressure,bandage,distal limb
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