Temperature Changes During Induction of General Anesthesia in Pediatric Patients

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

44 participants

Study Classification

OBSERVATIONAL

Study Start Date

2008-07-31

Study Completion Date

2009-03-31

Brief Summary

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We aim that uncovering patients during induction of general anesthesia does not decrease core body temperature in pediatric patients.

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Detailed Description

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Some anesthesiologists cover the pediatric patient with a blanket during the induction of general anesthesia, while others do not. Complaints have been raised by pediatric surgeons that if a pediatric patient is not covered during induction of general anesthesia, the child's core body temperature will be lower than normal following surgery and in the recovery room.

Children are at risk of significant heat loss in the operating room due to multiple factors, such as, exposure to cold temperatures, decrease in metabolism following induction of general anesthesia, increased surface-area-to-volume ratio, and through considerable respiratory heat loss.1

A decrease in temperature of 0.5ºC to 1.5ºC can occur during induction of general anesthesia in pediatric patients2. The use of heating blankets and warmers may increase temperature or result in a constant temperature on pediatric patients intra-operatively3. We want to investigate the differences in temperature between the two approaches, covering and not covering pediatric patients, during induction of general anesthesia of a urologic procedure with a caudal block and the difference in temperature post-operatively. We hypothesize that the core temperatures of:

1. the covered and warmed group during induction of general anesthesia will be greater by 0.5ºC than the uncovered group during induction of general anesthesia.
2. both groups, covered and uncovered, will be equal during surgery and post-operatively. In other words, due to the active warming procedures during surgery and post-operatively in the PICU, core temperatures of the uncovered group will catch up to the covered group.

Conditions

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Hypothermia

Study Design

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Observational Model Type

COHORT

Study Time Perspective

PROSPECTIVE

Study Groups

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Cover and Uncover

Procedure/Surgery

Covered and uncovered anesthesia induction

Intervention Type PROCEDURE

We hypothesize that the core temperatures of:

1. the covered group during induction of general anesthesia will be greater by 0.5ºC than the uncovered group during induction of general anesthesia.
2. both groups, covered and uncovered, will be equal during surgery and post-operatively. In other words, due to the active warming procedures during surgery and post-operatively in the PICU, core temperatures of the uncovered group will catch up to the covered group.

Interventions

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Covered and uncovered anesthesia induction

We hypothesize that the core temperatures of:

1. the covered group during induction of general anesthesia will be greater by 0.5ºC than the uncovered group during induction of general anesthesia.
2. both groups, covered and uncovered, will be equal during surgery and post-operatively. In other words, due to the active warming procedures during surgery and post-operatively in the PICU, core temperatures of the uncovered group will catch up to the covered group.

Intervention Type PROCEDURE

Other Intervention Names

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Temperature Pediatric Urology Anesthesia

Eligibility Criteria

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Inclusion Criteria

* The ages of the subjects ranging from 6 months to 3 years undergoing surgery for circumcision or hernia repair with caudal block.

Exclusion Criteria

* ASA physical status classification greater than 2, unsigned or unattainable written informed consent form, induction of general anesthesia time of greater than 45 minutes, fever, or temperature regulation inability.

Minimum Eligible Age

6 Months

Maximum Eligible Age

3 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

Yes