The effect of humidified warmed CO2 during open colorectal surgery on body temperature and postoperative pain: a randomized controlled trial.

Introduction: Open abdominal surgery exposes the intestine to negative ventilation (20°C, 0-5% RH), which along with the large surface area of peritoneum has the potential to cause loss of body heat. This study examined whether the warmed, humidified CO2 (WHCO2) can reduce heat loss and reduce posto...

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Autores principales:	JU YONG CHEONG, Anil Keshava, Christopher Young
Formato:	article
Lenguaje:	EN
Publicado:	Shiraz University of Medical Sciences 2020
Materias:	humidified, warmed carbon dioxide pneumoperitoneum core body temperature postoperative pain colorectal surgery Medicine R
Acceso en línea:	https://doaj.org/article/6d1f11f934dd4995ac6aed5e5bae4478
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spelling	oai:doaj.org-article:6d1f11f934dd4995ac6aed5e5bae44782021-11-14T08:12:11ZThe effect of humidified warmed CO2 during open colorectal surgery on body temperature and postoperative pain: a randomized controlled trial.2783-243010.30476/acrr.2020.46746https://doaj.org/article/6d1f11f934dd4995ac6aed5e5bae44782020-06-01T00:00:00Zhttps://colorectalresearch.sums.ac.ir/article_46746_3f539f3f40904289f3a8b091f00e1514.pdfhttps://doaj.org/toc/2783-2430Introduction: Open abdominal surgery exposes the intestine to negative ventilation (20°C, 0-5% RH), which along with the large surface area of peritoneum has the potential to cause loss of body heat. This study examined whether the warmed, humidified CO2 (WHCO2) can reduce heat loss and reduce postoperative pain. Methods: A randomized controlled trial was performed at a tertiary colorectal unit (Concord Repatriation General Hospital, The University of Sydney, Australia). The study group received WHCO2 at a rate of 10L/min. The control group did not receive any insufflation during the operation. Patients were over 18 years of age undergoing elective open colorectal operations. Core body temperature measurement was made every 15 minutely with a trans-oesophageal probe. Postoperative pain was assessed via: (1) duration of use of patient controlled analgesia (PCA), (2) total oral morphine equivalent daily dose (oral MEDD). Results: 39 Patients were recruited in the study, with 20 patients receiving WHCO2. There was no difference in the core body temperature between the WHCO2 and the Control group (36.1 vs. 35.9°C, p=0.35). There was no difference in the % of the operating time where core body temperature dropped below the lower limit of normal of 35.8°C (28.4% vs 35.8%, p=0.51), or to the level of hypothermia of 35°C (7.7% vs. 13.4%, p=0.50). No difference in postoperative PCA duration, as well as MEDD, were noted between the CO2 group and control group. Conclusion: WHCO2 had no effect on core body temperature during open colorectal surgery and the postoperative pain experienced.JU YONG CHEONGAnil KeshavaChristopher YoungShiraz University of Medical Sciencesarticlehumidified, warmed carbon dioxidepneumoperitoneumcore body temperaturepostoperative paincolorectal surgeryMedicineRENIranian Journal of Colorectal Research, Vol 8, Iss 2, Pp 79-87 (2020)
institution	DOAJ
collection	DOAJ
language	EN
topic	humidified, warmed carbon dioxide pneumoperitoneum core body temperature postoperative pain colorectal surgery Medicine R
spellingShingle	humidified, warmed carbon dioxide pneumoperitoneum core body temperature postoperative pain colorectal surgery Medicine R JU YONG CHEONG Anil Keshava Christopher Young The effect of humidified warmed CO2 during open colorectal surgery on body temperature and postoperative pain: a randomized controlled trial.
description	Introduction: Open abdominal surgery exposes the intestine to negative ventilation (20°C, 0-5% RH), which along with the large surface area of peritoneum has the potential to cause loss of body heat. This study examined whether the warmed, humidified CO2 (WHCO2) can reduce heat loss and reduce postoperative pain. Methods: A randomized controlled trial was performed at a tertiary colorectal unit (Concord Repatriation General Hospital, The University of Sydney, Australia). The study group received WHCO2 at a rate of 10L/min. The control group did not receive any insufflation during the operation. Patients were over 18 years of age undergoing elective open colorectal operations. Core body temperature measurement was made every 15 minutely with a trans-oesophageal probe. Postoperative pain was assessed via: (1) duration of use of patient controlled analgesia (PCA), (2) total oral morphine equivalent daily dose (oral MEDD). Results: 39 Patients were recruited in the study, with 20 patients receiving WHCO2. There was no difference in the core body temperature between the WHCO2 and the Control group (36.1 vs. 35.9°C, p=0.35). There was no difference in the % of the operating time where core body temperature dropped below the lower limit of normal of 35.8°C (28.4% vs 35.8%, p=0.51), or to the level of hypothermia of 35°C (7.7% vs. 13.4%, p=0.50). No difference in postoperative PCA duration, as well as MEDD, were noted between the CO2 group and control group. Conclusion: WHCO2 had no effect on core body temperature during open colorectal surgery and the postoperative pain experienced.
format	article
author	JU YONG CHEONG Anil Keshava Christopher Young
author_facet	JU YONG CHEONG Anil Keshava Christopher Young
author_sort	JU YONG CHEONG
title	The effect of humidified warmed CO2 during open colorectal surgery on body temperature and postoperative pain: a randomized controlled trial.
title_short	The effect of humidified warmed CO2 during open colorectal surgery on body temperature and postoperative pain: a randomized controlled trial.
title_full	The effect of humidified warmed CO2 during open colorectal surgery on body temperature and postoperative pain: a randomized controlled trial.
title_fullStr	The effect of humidified warmed CO2 during open colorectal surgery on body temperature and postoperative pain: a randomized controlled trial.
title_full_unstemmed	The effect of humidified warmed CO2 during open colorectal surgery on body temperature and postoperative pain: a randomized controlled trial.
title_sort	effect of humidified warmed co2 during open colorectal surgery on body temperature and postoperative pain: a randomized controlled trial.
publisher	Shiraz University of Medical Sciences
publishDate	2020
url	https://doaj.org/article/6d1f11f934dd4995ac6aed5e5bae4478
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The effect of humidified warmed CO2 during open colorectal surgery on body temperature and postoperative pain: a randomized controlled trial.

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