| Trendelenburg position and oxygen transport in hypovolemic adults. | |
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MedLine Citation:
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PMID: 8135435 Owner: NLM Status: MEDLINE |
Abstract/OtherAbstract:
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STUDY OBJECTIVE: To evaluate the effect of the Trendelenburg position on oxygen transport in hypovolemic patients. DESIGN: A prospective, self-controlled sequential design. INTERVENTIONS: All patients had indwelling pulmonary artery catheters, and hypovolemia was confirmed by a pulmonary artery wedge pressure of 6 mm Hg or less. Hemodynamic and oxygen transport variables were measured with the patient supine and again ten minutes after placing the patient in the Trendelenburg position. SETTING: University-affiliated tertiary care surgical ICU. TYPE OF PARTICIPANTS: Eight postoperative adults. RESULTS: Mean arterial blood pressure increased from 64.9 +/- 4.9 to 75.6 +/- 3.5 mm Hg (P < .05), pulmonary artery wedge pressure increased from 4.6 +/- 1.1 to 7.9 +/- 0.8 mm Hg (P < .05), and the systemic vascular resistance rose to 2,965 +/- 210 from 2,302 +/- 199 dyne.sec/cm5 (P < .05). There was no significant change in cardiac index, oxygen delivery, oxygen consumption, or oxygen extraction ratio. CONCLUSION: The increase in blood pressure from Trendelenburg position is not associated with an improvement in blood flow or tissue oxygenation. |
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Authors:
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R F Sing; D O'Hara; M A Sawyer; P L Marino |
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Publication Detail:
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Type: Journal Article |
Journal Detail:
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Title: Annals of emergency medicine Volume: 23 ISSN: 0196-0644 ISO Abbreviation: Ann Emerg Med Publication Date: 1994 Mar |
Date Detail:
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Created Date: 1994-04-15 Completed Date: 1994-04-15 Revised Date: 2007-11-15 |
Medline Journal Info:
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Nlm Unique ID: 8002646 Medline TA: Ann Emerg Med Country: UNITED STATES |
Other Details:
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Languages: eng Pagination: 564-7 Citation Subset: AIM; IM; S |
Affiliation:
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Department of Surgery, Graduate Hospital, Philadelphia. |
Export Citation:
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| MeSH Terms | |
Descriptor/Qualifier:
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Adult Aged Hemodynamics Humans Middle Aged Oxygen / metabolism* Postoperative Period Posture / physiology* Prospective Studies Shock / metabolism*, physiopathology, therapy |
| Chemical | |
Reg. No./Substance:
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7782-44-7/Oxygen |
From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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