Warmed humidified inspired oxygen accelerates postoperative rewarming

Steven M. Frank; Todd W. Hesel; Hossam K. El-Rahmany; Kha M. Tran; Owen S. Bamford

doi:10.1016/S0952-8180(00)00156-2

Warmed humidified inspired oxygen accelerates postoperative rewarming

Steven M. Frank, Todd W. Hesel, Hossam K. El-Rahmany, Kha M. Tran, Owen S. Bamford

School of Medicine

Research output: Contribution to journal › Article › peer-review

7 Scopus citations

Abstract

Study Objective: To investigate the efficacy of warmed, humidified inspired oxygen (O₂) for the treatment of mildly hypothermic postoperative patients. Design: Prospective, randomized, unblinded clinical trial. Setting: Postanesthesia care unit in a tertiary care hospital. Patients and Interventions: 30 ASA physical status I, II, and III patients following intraabdominal surgical procedures were randomly assigned to receive either routine O₂ therapy (control group, n = 15), or warmed (42°C) humidified O₂ (treatment group, n = 15) for the initial 90 postoperative minutes. Measurements: Core (tympanic) temperature, dry mouth score and shivering score. Main Results: Tympanic temperature was similar in both groups on admission (≃35.8°C). Rewarming rate in the first postoperative hour was greater in the treatment group (0.7 ± 0.1°C · hr^-1) compared to the control group (0.4 ± 0.1°C · hr^-1) (p = 0.03). Patients receiving the warmed, humidified O₂ had a lower incidence of dry mouth compared to the control group (p = 0.03). The incidence of shivering was low and similar in both groups. Conclusions: Warming and humidifying inspired O₂ hastens recovery from hypothermia in postoperative patients. (C) 2000 Elsevier Science Inc.

Original language	English (US)
Pages (from-to)	283-287
Number of pages	5
Journal	Journal of Clinical Anesthesia
Volume	12
Issue number	4
DOIs	https://doi.org/10.1016/S0952-8180(00)00156-2
State	Published - Jun 2000

Keywords

Hypothermia
Perioperative
Temperature
Warming

ASJC Scopus subject areas

Anesthesiology and Pain Medicine

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10.1016/S0952-8180(00)00156-2

Cite this

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title = "Warmed humidified inspired oxygen accelerates postoperative rewarming",

abstract = "Study Objective: To investigate the efficacy of warmed, humidified inspired oxygen (O2) for the treatment of mildly hypothermic postoperative patients. Design: Prospective, randomized, unblinded clinical trial. Setting: Postanesthesia care unit in a tertiary care hospital. Patients and Interventions: 30 ASA physical status I, II, and III patients following intraabdominal surgical procedures were randomly assigned to receive either routine O2 therapy (control group, n = 15), or warmed (42°C) humidified O2 (treatment group, n = 15) for the initial 90 postoperative minutes. Measurements: Core (tympanic) temperature, dry mouth score and shivering score. Main Results: Tympanic temperature was similar in both groups on admission (≃35.8°C). Rewarming rate in the first postoperative hour was greater in the treatment group (0.7 ± 0.1°C · hr-1) compared to the control group (0.4 ± 0.1°C · hr-1) (p = 0.03). Patients receiving the warmed, humidified O2 had a lower incidence of dry mouth compared to the control group (p = 0.03). The incidence of shivering was low and similar in both groups. Conclusions: Warming and humidifying inspired O2 hastens recovery from hypothermia in postoperative patients. (C) 2000 Elsevier Science Inc.",

keywords = "Hypothermia, Perioperative, Temperature, Warming",

author = "Frank, {Steven M.} and Hesel, {Todd W.} and El-Rahmany, {Hossam K.} and Tran, {Kha M.} and Bamford, {Owen S.}",

note = "Funding Information: Supported in part by a grant from Vapotherm Company, Inc., Annapolis, MD, and an educational grant from the Egyptian Cultural and Educational Bureau, Washington, D.C. ",

year = "2000",

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language = "English (US)",

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T1 - Warmed humidified inspired oxygen accelerates postoperative rewarming

AU - Frank, Steven M.

AU - Hesel, Todd W.

AU - El-Rahmany, Hossam K.

AU - Tran, Kha M.

AU - Bamford, Owen S.

N1 - Funding Information: Supported in part by a grant from Vapotherm Company, Inc., Annapolis, MD, and an educational grant from the Egyptian Cultural and Educational Bureau, Washington, D.C.

PY - 2000/6

Y1 - 2000/6

N2 - Study Objective: To investigate the efficacy of warmed, humidified inspired oxygen (O2) for the treatment of mildly hypothermic postoperative patients. Design: Prospective, randomized, unblinded clinical trial. Setting: Postanesthesia care unit in a tertiary care hospital. Patients and Interventions: 30 ASA physical status I, II, and III patients following intraabdominal surgical procedures were randomly assigned to receive either routine O2 therapy (control group, n = 15), or warmed (42°C) humidified O2 (treatment group, n = 15) for the initial 90 postoperative minutes. Measurements: Core (tympanic) temperature, dry mouth score and shivering score. Main Results: Tympanic temperature was similar in both groups on admission (≃35.8°C). Rewarming rate in the first postoperative hour was greater in the treatment group (0.7 ± 0.1°C · hr-1) compared to the control group (0.4 ± 0.1°C · hr-1) (p = 0.03). Patients receiving the warmed, humidified O2 had a lower incidence of dry mouth compared to the control group (p = 0.03). The incidence of shivering was low and similar in both groups. Conclusions: Warming and humidifying inspired O2 hastens recovery from hypothermia in postoperative patients. (C) 2000 Elsevier Science Inc.

AB - Study Objective: To investigate the efficacy of warmed, humidified inspired oxygen (O2) for the treatment of mildly hypothermic postoperative patients. Design: Prospective, randomized, unblinded clinical trial. Setting: Postanesthesia care unit in a tertiary care hospital. Patients and Interventions: 30 ASA physical status I, II, and III patients following intraabdominal surgical procedures were randomly assigned to receive either routine O2 therapy (control group, n = 15), or warmed (42°C) humidified O2 (treatment group, n = 15) for the initial 90 postoperative minutes. Measurements: Core (tympanic) temperature, dry mouth score and shivering score. Main Results: Tympanic temperature was similar in both groups on admission (≃35.8°C). Rewarming rate in the first postoperative hour was greater in the treatment group (0.7 ± 0.1°C · hr-1) compared to the control group (0.4 ± 0.1°C · hr-1) (p = 0.03). Patients receiving the warmed, humidified O2 had a lower incidence of dry mouth compared to the control group (p = 0.03). The incidence of shivering was low and similar in both groups. Conclusions: Warming and humidifying inspired O2 hastens recovery from hypothermia in postoperative patients. (C) 2000 Elsevier Science Inc.

KW - Hypothermia

KW - Perioperative

KW - Temperature

KW - Warming

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Warmed humidified inspired oxygen accelerates postoperative rewarming

Abstract

Keywords

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