Perioperative Thermoregulation

Sessler, Daniel I.

doi:10.1007/978-0-387-72527-7_8

Cited by 6 publications

(4 citation statements)

References 158 publications

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“…Hypothermia is associated with increased perioperative bleeding, a delay in wound healing, prolonged anesthesia extubation time, increased cardiac complications, and even increased mortality [13]. Even in mild hypothermia, a significant increase in cardiac complications is observed [4, 11]. Many national and international guidelines have been published to reduce the risks of hypothermia [12, 14, 15].…”

Section: Discussionmentioning

confidence: 99%

“…It provides significant savings for hospitals as the extra spent absorbent is cheaper than the amount of wasted inhaler gas. Perioperative hypothermia is associated with increased complications in patients [4]. Delay in recovery from anesthesia, increased cardiac complications, delay in wound healing, disruption of coagulation, and increased hospital stay are some undesirable consequences of hypothermia [5].…”

Section: Introductionmentioning

confidence: 99%

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The Effect of Sevoflurane Low-Flow Anesthesia on Preserving Patient Core Temperature

Yüksek¹,

Talih²

2022

Dubai Med J

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Introduction: Low-flow anesthesia (LFA) reduces the fresh gas flow (FGF) entering the anesthesia circuit and saves on the volatile agent used. In this study, the effect of LFA with sevoflurane on core temperature and the incidence of perioperative hypothermia were investigated. Methods: According to the FGF applied, patients were classified into three groups: LFA (1 L/min), medium-flow anesthesia (MFA = 2 L/min), and high-flow anesthesia (HFA = 4 L/min). Patients’ demographic data and the initial (T1) and final (T2) core temperatures during the operation were compared. Results: A total of 160 patients were included in the study. The T2 value of the HFA group was significantly lower than the LFA group (p = 0.028). Different flow values were found to have a significant effect on temperature change (F = 21.630, p < 0.001, partial eta squared = 0.216). There was a significant difference between the mean temperatures measured at two different times (F = 301.064, p < 0.001, partial eta squared = 0.657). The overall incidence of hypothermia was 32.5%, with 52 patients. Hypothermia (T2<36°C) incidences were not different between the LFA group and the MFA and HFA groups (p = 0.682). However, perioperative core temperature loss was significantly lower in the LFA group (p = 0.001). Conclusions: LFA using sevoflurane was not sufficient alone to significantly reduce the incidence of hypothermia. However, we have demonstrated that it may also have a beneficial effect on reducing perioperative temperature loss.

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Section: Discussionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

The Effect of Sevoflurane Low-Flow Anesthesia on Preserving Patient Core Temperature

Yüksek¹,

Talih²

2022

Dubai Med J

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“…Besides, the amount of inspired oxygen may also be lower than the set value, resulting in an increased risk of hypoxia. In this respect, patients undergoing low ow anesthesia need careful monitoring of carbon dioxide and oxygen inspired and expired [4]. It provides signi cant savings for hospitals as the extra spent absorbent is cheaper than the amount of wasted inhaler gas.…”

Section: Introductionmentioning

confidence: 99%

“…Nowadays, sevo urane is widely used in LFA [8]. This technique, which is primarily cost-oriented, has been subject of studies on the depth of anesthesia, recovery time, anesthetic gas consumption, costs, and effects on global warming [2], [4], [9]. However, the effect of the LFA technique using sevo urane on the preservation of patient core temperature has not been adequately investigated yet.…”

Section: Introductionmentioning

confidence: 99%

The Effect of Sevoflurane Low Flow Anesthesia on Preserving Patient Core Temperature 

Yüksek

Talih

2021

Preprint

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Background: Low flow anesthesia reduces the fresh gas flow (FGF) entering the anesthesia circuit and saves on the volatile agent used. In this study, the effect of low-flow anesthesia with sevoflurane on core temperature and the incidence of perioperative hypothermia were investigated.Methods: Records of patients who underwent general anesthesia with sevoflurane were analyzed retrospectively. According to the fresh gas flow applied, the patients were divided into three groups: Low flow anesthesia (LFA = 1 l / min), medium flow anesthesia (MFA = 2 l / min), and high flow anesthesia (HFA = 4 l / min). Patients’ demographic data and the initial (T1) and final (T2) temperatures during the operation were compared.Results: A total of 160 patients were included in the study. There was no significant difference in T1 temperature values between the groups. The T2 value of the HFA group was significantly lower than the LFA group (p = 0.028). Different flow values were found to have a significant effect on temperature change (F = 21.630, p <0.001, partial eta squared = 0.216). There was a significant difference between the mean temperatures measured at two different times (F = 301.064, p <0.001, partial eta squared = 0.657). The overall incidence of hypothermia was 32.5%, with 52 patients. Hypothermia (T2<36 degrees) incidences were not different between the LFA group and the MFA and HFA groups (p = 0.682); However, perioperative core temperature loss was significantly lower in the LFA group (p = 0.001).Conclusions: Low flow anesthesia using sevoflurane was not sufficient alone to reduce the incidence of hypothermia. However, the LFA technique preserved the patient’s core temperature better than the MFA and HFA techniques. Therefore, in addition to low-flow anesthesia being a cost-oriented technique, we have demonstrated that it may also have a beneficial effect on reducing perioperative temperature loss.Trial Registration: Researchregistary.com/6840Ethics committee: Yozgat Bozok University 2017-KAEK-25122019.1

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Choosing the Best Anesthetic Regimen

Barnett

2011

Principles and Practice of Geriatric Surgery

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Perioperative Thermoregulation

Cited by 6 publications

References 158 publications

The Effect of Sevoflurane Low-Flow Anesthesia on Preserving Patient Core Temperature

The Effect of Sevoflurane Low-Flow Anesthesia on Preserving Patient Core Temperature

The Effect of Sevoflurane Low Flow Anesthesia on Preserving Patient Core Temperature

Choosing the Best Anesthetic Regimen

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Perioperative Thermoregulation

Cited by 6 publications

References 158 publications

The Effect of Sevoflurane Low-Flow Anesthesia on Preserving Patient Core Temperature

The Effect of Sevoflurane Low-Flow Anesthesia on Preserving Patient Core Temperature

The Effect of Sevoflurane Low Flow Anesthesia on Preserving Patient Core Temperature&nbsp;

Choosing the Best Anesthetic Regimen

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The Effect of Sevoflurane Low Flow Anesthesia on Preserving Patient Core Temperature