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How heel oxygenation changes under pressure
ABSTRACT The mechanism of heel pressure ulcers after hip surgery is not entirely understood. The purpose of this one‐group, prospective, repeated‐measures design study was to examine how the external pressure of the bed surface affects heel skin oxygen tension in adults on the first 3 days after hip...
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| Published in: | Wound repair and regeneration 2007-11, Vol.15 (6), p.786-794 |
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| container_end_page | 794 |
| container_issue | 6 |
| container_start_page | 786 |
| container_title | Wound repair and regeneration |
| container_volume | 15 |
| creator | Wong, Vivian K. Stotts, Nancy A. Hopf, Harriet W. Froelicher, Erika S. Dowling, Glenna A. |
| description | ABSTRACT
The mechanism of heel pressure ulcers after hip surgery is not entirely understood. The purpose of this one‐group, prospective, repeated‐measures design study was to examine how the external pressure of the bed surface affects heel skin oxygen tension in adults on the first 3 days after hip surgery. Transcutaneous oxygen sensors were placed on the plantar surface of each foot, close to the heels. Measures were taken on room air and with an oxygen challenge with the heels (1) suspended above the bed surface (preload), (2) on the bed surface for 15 minutes (loading), and (3) again suspended above the bed surface for 15 minutes (unloading). Eighteen hip surgery patients (mean age 58.3±16.1 years) from two hospitals participated. When compared with preload on room air, both loading and unloading on all 3 days resulted in a reduction in heel oxygen tension bilaterally (p |
| doi_str_mv | 10.1111/j.1524-475X.2007.00309.x |
| format | article |
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The mechanism of heel pressure ulcers after hip surgery is not entirely understood. The purpose of this one‐group, prospective, repeated‐measures design study was to examine how the external pressure of the bed surface affects heel skin oxygen tension in adults on the first 3 days after hip surgery. Transcutaneous oxygen sensors were placed on the plantar surface of each foot, close to the heels. Measures were taken on room air and with an oxygen challenge with the heels (1) suspended above the bed surface (preload), (2) on the bed surface for 15 minutes (loading), and (3) again suspended above the bed surface for 15 minutes (unloading). Eighteen hip surgery patients (mean age 58.3±16.1 years) from two hospitals participated. When compared with preload on room air, both loading and unloading on all 3 days resulted in a reduction in heel oxygen tension bilaterally (p<0.001). Heel oxygenation decreased without the anticipated hyperemic response, raising the question of whether this is a sign of increased pressure ulcer risk. Further work is needed to understand why this short period of external pressure results in decreased oxygenation and why oxygen tension does not return to baseline when pressure is removed.</description><identifier>ISSN: 1067-1927</identifier><identifier>EISSN: 1524-475X</identifier><identifier>DOI: 10.1111/j.1524-475X.2007.00309.x</identifier><identifier>PMID: 18028125</identifier><language>eng</language><publisher>Malden, USA: Blackwell Publishing Inc</publisher><subject>Analysis of Variance ; Bandages ; Female ; Foot Ulcer - physiopathology ; Foot Ulcer - prevention & control ; Heel - blood supply ; Hip Joint - surgery ; Humans ; Male ; Middle Aged ; Oximetry ; Pain Measurement ; Postoperative Complications - physiopathology ; Postoperative Complications - prevention & control ; Pressure ; Pressure Ulcer - physiopathology ; Pressure Ulcer - prevention & control ; Prospective Studies ; Stress, Mechanical</subject><ispartof>Wound repair and regeneration, 2007-11, Vol.15 (6), p.786-794</ispartof><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c5169-614b60ae1de0039396c0a836e3e49eaca2985aa28222a7f5c74a36539957f3b63</citedby><cites>FETCH-LOGICAL-c5169-614b60ae1de0039396c0a836e3e49eaca2985aa28222a7f5c74a36539957f3b63</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>314,780,784,27924,27925</link.rule.ids><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/18028125$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Wong, Vivian K.</creatorcontrib><creatorcontrib>Stotts, Nancy A.</creatorcontrib><creatorcontrib>Hopf, Harriet W.</creatorcontrib><creatorcontrib>Froelicher, Erika S.</creatorcontrib><creatorcontrib>Dowling, Glenna A.</creatorcontrib><title>How heel oxygenation changes under pressure</title><title>Wound repair and regeneration</title><addtitle>Wound Repair Regen</addtitle><description>ABSTRACT
The mechanism of heel pressure ulcers after hip surgery is not entirely understood. The purpose of this one‐group, prospective, repeated‐measures design study was to examine how the external pressure of the bed surface affects heel skin oxygen tension in adults on the first 3 days after hip surgery. Transcutaneous oxygen sensors were placed on the plantar surface of each foot, close to the heels. Measures were taken on room air and with an oxygen challenge with the heels (1) suspended above the bed surface (preload), (2) on the bed surface for 15 minutes (loading), and (3) again suspended above the bed surface for 15 minutes (unloading). Eighteen hip surgery patients (mean age 58.3±16.1 years) from two hospitals participated. When compared with preload on room air, both loading and unloading on all 3 days resulted in a reduction in heel oxygen tension bilaterally (p<0.001). Heel oxygenation decreased without the anticipated hyperemic response, raising the question of whether this is a sign of increased pressure ulcer risk. Further work is needed to understand why this short period of external pressure results in decreased oxygenation and why oxygen tension does not return to baseline when pressure is removed.</description><subject>Analysis of Variance</subject><subject>Bandages</subject><subject>Female</subject><subject>Foot Ulcer - physiopathology</subject><subject>Foot Ulcer - prevention & control</subject><subject>Heel - blood supply</subject><subject>Hip Joint - surgery</subject><subject>Humans</subject><subject>Male</subject><subject>Middle Aged</subject><subject>Oximetry</subject><subject>Pain Measurement</subject><subject>Postoperative Complications - physiopathology</subject><subject>Postoperative Complications - prevention & control</subject><subject>Pressure</subject><subject>Pressure Ulcer - physiopathology</subject><subject>Pressure Ulcer - prevention & control</subject><subject>Prospective Studies</subject><subject>Stress, Mechanical</subject><issn>1067-1927</issn><issn>1524-475X</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2007</creationdate><recordtype>article</recordtype><recordid>eNqNkE1Lw0AQhhdRtFb_guQkgiTuR_YLvEjVVigVilLxsmzTqaamSd1taPrv3dqiN3EuM7DPO7M8CEUEJyTU1SwhnKZxKvlLQjGWCcYM66TZQ62fh_0wYyFjoqk8QsfezzDGnGt1iI6IwlQRylvosletoneAIqqa9RuUdplXZZS92_INfFSXE3DRwoH3tYMTdDC1hYfTXW-j5_u7p04v7j92Hzo3_TjjROhYkHQssAUygfAtzbTIsFVMAINUg80s1YpbSxWl1Mopz2RqmeBMay6nbCxYG51v9y5c9VmDX5p57jMoCltCVXsjVIC5pAG8-BMkUmGOU5qqgKotmrnKewdTs3D53Lq1IdhsnJqZ2agzG3Vm49R8OzVNiJ7trtTjOUx-gzuJAbjeAqu8gPW_F5vRcBiGEI-38dwvofmJW_dhhGSSm9Gga7qvrPNyOxiaEfsCL4OSlw</recordid><startdate>200711</startdate><enddate>200711</enddate><creator>Wong, Vivian K.</creator><creator>Stotts, Nancy A.</creator><creator>Hopf, Harriet W.</creator><creator>Froelicher, Erika S.</creator><creator>Dowling, Glenna A.</creator><general>Blackwell Publishing Inc</general><scope>BSCLL</scope><scope>CGR</scope><scope>CUY</scope><scope>CVF</scope><scope>ECM</scope><scope>EIF</scope><scope>NPM</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7QO</scope><scope>8FD</scope><scope>FR3</scope><scope>P64</scope><scope>7X8</scope></search><sort><creationdate>200711</creationdate><title>How heel oxygenation changes under pressure</title><author>Wong, Vivian K. ; Stotts, Nancy A. ; Hopf, Harriet W. ; Froelicher, Erika S. ; Dowling, Glenna A.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c5169-614b60ae1de0039396c0a836e3e49eaca2985aa28222a7f5c74a36539957f3b63</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2007</creationdate><topic>Analysis of Variance</topic><topic>Bandages</topic><topic>Female</topic><topic>Foot Ulcer - physiopathology</topic><topic>Foot Ulcer - prevention & control</topic><topic>Heel - blood supply</topic><topic>Hip Joint - surgery</topic><topic>Humans</topic><topic>Male</topic><topic>Middle Aged</topic><topic>Oximetry</topic><topic>Pain Measurement</topic><topic>Postoperative Complications - physiopathology</topic><topic>Postoperative Complications - prevention & control</topic><topic>Pressure</topic><topic>Pressure Ulcer - physiopathology</topic><topic>Pressure Ulcer - prevention & control</topic><topic>Prospective Studies</topic><topic>Stress, Mechanical</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Wong, Vivian K.</creatorcontrib><creatorcontrib>Stotts, Nancy A.</creatorcontrib><creatorcontrib>Hopf, Harriet W.</creatorcontrib><creatorcontrib>Froelicher, Erika S.</creatorcontrib><creatorcontrib>Dowling, Glenna A.</creatorcontrib><collection>Istex</collection><collection>Medline</collection><collection>MEDLINE</collection><collection>MEDLINE (Ovid)</collection><collection>MEDLINE</collection><collection>MEDLINE</collection><collection>PubMed</collection><collection>CrossRef</collection><collection>Biotechnology Research Abstracts</collection><collection>Technology Research Database</collection><collection>Engineering Research Database</collection><collection>Biotechnology and BioEngineering Abstracts</collection><collection>MEDLINE - Academic</collection><jtitle>Wound repair and regeneration</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Wong, Vivian K.</au><au>Stotts, Nancy A.</au><au>Hopf, Harriet W.</au><au>Froelicher, Erika S.</au><au>Dowling, Glenna A.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>How heel oxygenation changes under pressure</atitle><jtitle>Wound repair and regeneration</jtitle><addtitle>Wound Repair Regen</addtitle><date>2007-11</date><risdate>2007</risdate><volume>15</volume><issue>6</issue><spage>786</spage><epage>794</epage><pages>786-794</pages><issn>1067-1927</issn><eissn>1524-475X</eissn><abstract>ABSTRACT
The mechanism of heel pressure ulcers after hip surgery is not entirely understood. The purpose of this one‐group, prospective, repeated‐measures design study was to examine how the external pressure of the bed surface affects heel skin oxygen tension in adults on the first 3 days after hip surgery. Transcutaneous oxygen sensors were placed on the plantar surface of each foot, close to the heels. Measures were taken on room air and with an oxygen challenge with the heels (1) suspended above the bed surface (preload), (2) on the bed surface for 15 minutes (loading), and (3) again suspended above the bed surface for 15 minutes (unloading). Eighteen hip surgery patients (mean age 58.3±16.1 years) from two hospitals participated. When compared with preload on room air, both loading and unloading on all 3 days resulted in a reduction in heel oxygen tension bilaterally (p<0.001). Heel oxygenation decreased without the anticipated hyperemic response, raising the question of whether this is a sign of increased pressure ulcer risk. Further work is needed to understand why this short period of external pressure results in decreased oxygenation and why oxygen tension does not return to baseline when pressure is removed.</abstract><cop>Malden, USA</cop><pub>Blackwell Publishing Inc</pub><pmid>18028125</pmid><doi>10.1111/j.1524-475X.2007.00309.x</doi><tpages>9</tpages><oa>free_for_read</oa></addata></record> |
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| ispartof | Wound repair and regeneration, 2007-11, Vol.15 (6), p.786-794 |
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| language | eng |
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| source | Wiley-Blackwell Read & Publish Collection |
| subjects | Analysis of Variance Bandages Female Foot Ulcer - physiopathology Foot Ulcer - prevention & control Heel - blood supply Hip Joint - surgery Humans Male Middle Aged Oximetry Pain Measurement Postoperative Complications - physiopathology Postoperative Complications - prevention & control Pressure Pressure Ulcer - physiopathology Pressure Ulcer - prevention & control Prospective Studies Stress, Mechanical |
| title | How heel oxygenation changes under pressure |
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