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The effect of pressure duration on s...

Sae-Sia, Wipa.

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The effect of pressure duration on sacral skin blood flow and sacral skin temperature in healthy adults and patients with either spinal cord injury or orthopedic trauma.

紀錄類型:	書目-電子資源 : Monograph/item
正題名/作者:	The effect of pressure duration on sacral skin blood flow and sacral skin temperature in healthy adults and patients with either spinal cord injury or orthopedic trauma./
作者:	Sae-Sia, Wipa.
面頁冊數:	338 p.
附註:	Source: Dissertation Abstracts International, Volume: 66-09, Section: B, page: 4728.
Contained By:	Dissertation Abstracts International66-09B.
標題:	Health Sciences, Nursing. -
電子資源:	http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=3189951
ISBN:	9780542337260

The effect of pressure duration on sacral skin blood flow and sacral skin temperature in healthy adults and patients with either spinal cord injury or orthopedic trauma.
Sae-Sia, Wipa.

The effect of pressure duration on sacral skin blood flow and sacral skin temperature in healthy adults and patients with either spinal cord injury or orthopedic trauma. - 338 p.

Source: Dissertation Abstracts International, Volume: 66-09, Section: B, page: 4728.

Thesis (Ph.D.)--University of Missouri - Columbia, 2005.

Heat accumulation and interface pressure between a bony prominence and the hospital mattress during bedrest may be related to pressure ulcer (PU) development. The purpose of this study was to examine the effect of pressure duration on SSBF and TS in acute SCI subjects (n = 20) within 24-96 hours after injury, compared to acute orthopedic trauma (n = 35) and healthy (n = 47) Thai subjects. SSBF (Laser Doppler sensor) and TS (thermocouple sensor) were measured continually in the lateral position (baseline, pressure off) for 30 min, supine position (pressure on) for 120 min, and lateral position (recovery, pressure off) for 90 min. Baseline TS was higher ( p < .0001) in SCI compared to trauma and healthy subjects. During pressure loading, relative change in SSBF from baseline to 120 minutes interface pressure in SCI subjects was significantly decreased compared to trauma and healthy (p = .0004) subjects. At the same time course, SCI subjects had a smaller increase (p < .0001) in T S from baseline compared to trauma and healthy subjects. During recovery, time to the initial reactive hyperemia (RH) response for SSBF and TS in SCI subjects was shorter compared to trauma (p <.05) and healthy (p <.05) subjects. The initial slope of the RH response for SSBF was higher in SCI than trauma (p = .005) and healthy (p = .004) subjects. These findings suggest that SCI subjects had diminished vascular tone and impaired thermoregulation before and during exposure to interface pressure and impaired vascular reactivity after pressure release.

ISBN: 9780542337260Subjects--Topical Terms:

1017798
Health Sciences, Nursing.

The effect of pressure duration on sacral skin blood flow and sacral skin temperature in healthy adults and patients with either spinal cord injury or orthopedic trauma.
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520 $a Heat accumulation and interface pressure between a bony prominence and the hospital mattress during bedrest may be related to pressure ulcer (PU) development. The purpose of this study was to examine the effect of pressure duration on SSBF and TS in acute SCI subjects (n = 20) within 24-96 hours after injury, compared to acute orthopedic trauma (n = 35) and healthy (n = 47) Thai subjects. SSBF (Laser Doppler sensor) and TS (thermocouple sensor) were measured continually in the lateral position (baseline, pressure off) for 30 min, supine position (pressure on) for 120 min, and lateral position (recovery, pressure off) for 90 min. Baseline TS was higher ( p < .0001) in SCI compared to trauma and healthy subjects. During pressure loading, relative change in SSBF from baseline to 120 minutes interface pressure in SCI subjects was significantly decreased compared to trauma and healthy (p = .0004) subjects. At the same time course, SCI subjects had a smaller increase (p < .0001) in T S from baseline compared to trauma and healthy subjects. During recovery, time to the initial reactive hyperemia (RH) response for SSBF and TS in SCI subjects was shorter compared to trauma (p <.05) and healthy (p <.05) subjects. The initial slope of the RH response for SSBF was higher in SCI than trauma (p = .005) and healthy (p = .004) subjects. These findings suggest that SCI subjects had diminished vascular tone and impaired thermoregulation before and during exposure to interface pressure and impaired vascular reactivity after pressure release.
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