Perioperative Hypothermia and Sevoflurane Consumption in Elderly Patients

This prospective observational study aims to evaluate the association between perioperative hypothermia and sevoflurane consumption in elderly patients undergoing hip arthroplasty under general anesthesia. Patients aged 65 years and older will be included. Perioperative body temperature and anesthetic consumption will be recorded, and the relationship between hypothermia and anesthetic requirements will be analyzed. The findings may help clarify whether hypothermia influences anesthetic depth monitoring and anesthetic consumption in elderly surgical patients.

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Key information

Conditions

Perioperative Hypothermia

Age range

65 year and older

Sex eligibility

All sexes

Study type

Observational

Who can participate

Healthy volunteers accepted: Yes

Only the study team can determine whether someone qualifies for participation.

Inclusion criteria

Age ≥ 65 years
Elective hip arthroplasty under general anesthesia
ASA physical status I-III

Exclusion criteria

Preoperative Mini-Cog score ≤ 2
Neurological or psychiatric disorders affecting cognitive function
Endocrine or metabolic disorders affecting thermoregulation
Excessive intraoperative blood loss
Emergency surgery

Treatment and study plan

Primary outcomes

Sevoflurane consumption (mL/hour)

Time frame: Intraoperative period

Study contacts

Contact information is provided by the study sponsor or research team.

Yadigar Yilmaz

CONTACT

[email protected]

0090 (216) 542 2020

Sponsors and collaborators

Lead sponsor

Sultan Abdulhamid Han Training and Research Hospital, Istanbul, Turkey

Other

Registry information

Official study title

Perioperative Hypothermia and Sevoflurane Consumption in Elderly Patients Undergoing Hip Arthroplasty

Important dates

Study start: 2026
Primary completion: 2026
Study completion: 2026
First posted: Mar 12, 2026
Registry last updated: Mar 12, 2026

OpenTrials presents study information sourced from ClinicalTrials.gov. The official registry record should be consulted for the latest information.

View the official ClinicalTrials.gov record (opens in a new tab)

This listing is for discovery and informational purposes only. It is not medical advice, does not guarantee that a study is recruiting, and does not determine eligibility. Contact the study team and a qualified healthcare professional when considering participation.

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