Incidence of Postoperative Hypothermia and Associated Factors in Adult Patients Undergoing Surgery in Siriraj Hospital

NCT ID: NCT04307095

Last Updated: 2022-05-19

Study Results

Results pending

The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.

Basic Information

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Recruitment Status

COMPLETED

Total Enrollment

742 participants

Study Classification

OBSERVATIONAL

Study Start Date

2020-01-16

Study Completion Date

2022-01-15

Brief Summary

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Inadvertent postanesthetic hypothermia is unintentional drop in core body temperature \<36C (96.8F) immediately following an operation, caused by multiple factors, and had lead to negative outcomes. In our institute, a study in 2011 reported an incidence of postoperative hypothermia in PACU of 45.4% (95% CI 39.61%- 51.23%). After that, various interventions aimed to prevent perioperative hypothermia were implemented. This study is initiated to determine the incidence of postoperative hypothermia and associated factors of postoperative hypothermia in adult patients underwent surgery at Siriraj hospital.

Detailed Description

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Inadvertent postanesthetic hypothermia is unintentional drop in core body temperature \<36C (96.8F) immediately following an operation, which is a common problem in post anesthesia care unit (PACU). It has been implicated in negative outcomes in surgical patients, including prolonged effects of intraoperative anesthetic medication, increased insulin resistance, postoperative morbidity, delayed surgical wound healing; and prolonged stay in the recovery room and hospital1-7.

In the operating room (OR), patients have to expose to a low ambient temperature with little or no clothing, evaporation from the surgical area, an irrigated fluid in surgical area; and an administration of intravenous fluids. Moreover, many anesthetic agents have an influence on the autonomic thermoregulatory mechanism which causes vasodilatation. All these factors promote patients' unintentional loss of heat and cause hypothermia.

Even of a lot of efforts to keep patients warm intraoperatively and minimize hypothermia including optimizing ambient OR temperature and using of various warming devices, the incidences of postoperative hypothermia in PACU are still high with the reported magnitude ranges from 50%- 90%7. In Siriraj hospital, a study in 2011 reported an incidence of postoperative hypothermia in PACU of 45.4% (95% CI 39.61%- 51.23%)8. After that, various interventions aimed to prevent perioperative hypothermia were implemented such as maintaining the ambient room temperature of an OR; warming intravenous fluids, blood products, and irrigants; heated, humidified anesthetic gases; and using warming blankets, forced-air warming, layering drapes and head wraps. This study is initiated to determine the incidence of postoperative hypothermia and associated factors of postoperative hypothermia in adult patients underwent surgery at Siriraj hospital.

Conditions

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Hypothermia Following Anesthesia

Study Design

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Observational Model Type

CASE_CONTROL

Study Time Perspective

RETROSPECTIVE

Eligibility Criteria

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Inclusion Criteria

* All patients \>18 years undergoing surgery with anesthesia service
* Stay at Postanesthetic care unit of Syamindra building, fifth floor, Siriraj hospital

Exclusion Criteria

* Procedure performed under local anesthesia
* Patients with missing data of temperature
Minimum Eligible Age

18 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

No

Sponsors

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Siriraj Hospital

OTHER

Sponsor Role lead

Responsible Party

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Mingkwan Wongyingsinn, MD

Associate Professor

Responsibility Role PRINCIPAL_INVESTIGATOR

Principal Investigators

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Mingkwan Wongyingsinn, MD

Role: PRINCIPAL_INVESTIGATOR

Siriraj Hospital

Locations

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Siriraj Hospital, Faculty of medicine Siriraj hospital, Mahidol University

Bangkok, , Thailand

Site Status

Countries

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Thailand

References

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Mauermann WJ, Nemergut EC. The anesthesiologist's role in the prevention of surgical site infections. Anesthesiology. 2006 Aug;105(2):413-21; quiz 439-40. doi: 10.1097/00000542-200608000-00025. No abstract available.

Reference Type BACKGROUND
PMID: 16871076 (View on PubMed)

Panagiotis K, Maria P, Argiri P, Panagiotis S. Is postanesthesia care unit length of stay increased in hypothermic patients? AORN J. 2005 Feb;81(2):379-82, 385-92. doi: 10.1016/s0001-2092(06)60420-1.

Reference Type BACKGROUND
PMID: 15768547 (View on PubMed)

Wartzek T, Muhlsteff J, Imhoff M. Temperature measurement. Biomed Tech (Berl). 2011 Oct;56(5):241-57. doi: 10.1515/BMT.2011.108.

Reference Type BACKGROUND
PMID: 21988157 (View on PubMed)

Sessler DI. Temperature monitoring and perioperative thermoregulation. Anesthesiology. 2008 Aug;109(2):318-38. doi: 10.1097/ALN.0b013e31817f6d76.

Reference Type BACKGROUND
PMID: 18648241 (View on PubMed)

Insler SR, Sessler DI. Perioperative thermoregulation and temperature monitoring. Anesthesiol Clin. 2006 Dec;24(4):823-37. doi: 10.1016/j.atc.2006.09.001.

Reference Type BACKGROUND
PMID: 17342966 (View on PubMed)

Kiekkas P, Poulopoulou M, Papahatzi A, Souleles P. Effects of hypothermia and shivering on standard PACU monitoring of patients. AANA J. 2005 Feb;73(1):47-53.

Reference Type BACKGROUND
PMID: 15727284 (View on PubMed)

Wongyingsinn M, Pookprayoon V. Incidence and associated factors of perioperative hypothermia in adult patients at a university-based, tertiary care hospital in Thailand. BMC Anesthesiol. 2023 Apr 25;23(1):137. doi: 10.1186/s12871-023-02084-2.

Reference Type DERIVED
PMID: 37098492 (View on PubMed)

Other Identifiers

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IRB889

Identifier Type: -

Identifier Source: org_study_id

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