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Zero Heat Flux Thermometry System Comparison Trial

The recruitment status of this study is unknown. The completion date has passed and the status has not been verified in more than two years.
Verified August 2012 by Arizant Healthcare.
Recruitment status was:  Not yet recruiting
Information provided by (Responsible Party):
Arizant Healthcare Identifier:
First received: August 16, 2012
Last updated: August 17, 2012
Last verified: August 2012
The core temperature of the body normally decreases in response to anesthesia. Deep tissue temperature can be used to estimate of body core temperature. Deep tissue temperature of the forehead will be measured using a new technology known as zero-heat-flux thermometry. The usual way to measure internal body temperature is within the nasal cavity (nasopharyngeal temperature). Nasopharyngeal and deep tissue temperatures will be measured simultaneously during surgery and compared for agreement. The hypothesis of this trial is that deep tissue temperature as measured by zero-heat-flux thermometry will agree with nasopharyngeal temperatures during surgery.

Condition Intervention
Body Temperature Thermosensing Temperature Device: Zero-heat-flux thermometry

Study Type: Interventional
Study Design: Intervention Model: Single Group Assignment
Masking: Open Label
Primary Purpose: Basic Science
Official Title: 3M(TM)SpotOn(TM) Temperature Monitoring System Thermometry Trial

Further study details as provided by Arizant Healthcare:

Primary Outcome Measures:
  • Body temperature [ Time Frame: During the surgical procedure only ]
    Agreement between simultaneously-acquired nasopharyngeal and forehead deep tissue temperatures will be assessed by Bland and Altman repeated measures technique.

Estimated Enrollment: 20
Study Start Date: August 2012
Estimated Study Completion Date: December 2012
Estimated Primary Completion Date: December 2012 (Final data collection date for primary outcome measure)
Arms Assigned Interventions
Experimental: Zero-Heat-Flux
This is a single arm study. All patients will have deep tissue temperature monitored from the nasopharyngeal and lateral forehead sites simultaneously.
Device: Zero-heat-flux thermometry
The zero-heat-flux thermometer will be placed on the subject's lateral forehead for the duration of the surgery to measure deep tissue temperature.
Other Name: 3M(TM) SpotOn(TM) temperature monitoring system


Ages Eligible for Study:   up to 17 Years   (Child)
Sexes Eligible for Study:   All
Accepts Healthy Volunteers:   No

Inclusion Criteria:

  • Less than or equal to 17 years old
  • patients undergoing surgery during which core temperature is estimated
  • Willing to participate in trial
  • Able to provide consent
  • Adequate forehead surface area available for probe attachment
  • Urology, orthopedic, or general abdominal surgery

Exclusion Criteria:

  • Skin lesions at thermometer target site
  • Infectious disease
  • Bleeding disorder
  • Prone intraoperative positioning anticipated
  • Head and neck procedures
  • Cardiothoracic procedures
  • Tonsillectomy, cosmetic, or other brief surgical or nonsurgical procedures
  Contacts and Locations
Choosing to participate in a study is an important personal decision. Talk with your doctor and family members or friends about deciding to join a study. To learn more about this study, you or your doctor may contact the study research staff using the Contacts provided below. For general information, see Learn About Clinical Studies.

Please refer to this study by its identifier: NCT01670760

Contact: Sarah L Cunningham, BS 412-692-5988
Contact: Minh-chau Evans, BS 412-692-5988

United States, Pennsylvania
Children's Hospital of Pittsburg of the University of Pittsburgh Medical Center Not yet recruiting
Pittsburgh, Pennsylvania, United States, 15241
Contact: Denise L McCarthy, BSN    412-692-5585   
Principal Investigator: Peter J Davis, MD         
Sub-Investigator: Jay B Tuchman, MD         
Sub-Investigator: Neal F Campbell, MD         
Sub-Investigator: Franklyn P Cladis, MD         
Sponsors and Collaborators
Arizant Healthcare
Principal Investigator: Peter J Davis, MD Children's Hospital of Pittsburgh of UPMC
  More Information


Responsible Party: Arizant Healthcare Identifier: NCT01670760     History of Changes
Other Study ID Numbers: 2012-DTT-BS-01
Study First Received: August 16, 2012
Last Updated: August 17, 2012

Keywords provided by Arizant Healthcare:
Deep Tissue Temperature
Zero Heat Flux Thermometry
Core Temperature processed this record on June 23, 2017