Postoperative Respiratory and Activity Monitoring Study

This study is looking into how activity and breathing patterns after abdominal surgery affect recovery and complications like hypoventilation (shallow breathing) and hypoxemia (low oxygen in the blood). You could join if you are 18 to 90 years old, undergoing abdominal surgery, and have a high risk for lung complications after surgery (ARISCAT score of 26 or higher). The study uses two devices, the ExSpiron chest monitor and the ActivPAL accelerometer, to track your breathing and movement. Researchers want to see if certain activities help you breathe better and reduce problems. The main goal is to understand hypoventilation during the first three days after surgery. The current recruitment status is unclear.

Study design
This is an observational study involving 30 participants. It is not specified if it is randomized or blinded.
What's involved
You will have monitors placed on your chest and thigh in the recovery room. These monitors will stay on for up to three days, or until you can walk freely, or until you leave the hospital.
Compensation
Not stated in the trial record.
Follow-up
Your breathing and activity will be monitored for the first three days after surgery, or until hospital discharge, whichever comes first.

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NCT06239831

Postoperative Respiratory and Activity Monitoring

Recruiting
Not specifiedAges 18–90Observational
University of Colorado, Denver
~30 participants
Updated 2025-04-30 on ClinicalTrials.gov
What's tested:ExSpiron and ActivPAL Monitors

At a glance

Recruiting sites
1 of 1 listed site is recruiting right now
RecruitingSuspended, closed, or not yet open
What they're measuring
Hypoventilation
Measured over First 3 postoperative days
Hypoventilation
Hypoxemia
Postoperative Pulmonary Complications
1 sites across 1 states
Colorado1
  • Ana Fernandez-Bustamante, MD, PhD · PRINCIPAL_INVESTIGATOR · University of Colorado Anschutz Medical Campus, University of Colorado Health Hospital

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Eligibility criteria

Inclusion

Must be 18 or older
Must be undergoing abdominal surgery
Must be high-risk for PPCs (ARISCAT score equal to or greater than 26)

Exclusion

Anyone under 18
Anyone not undergoing abdominal surgery
Anyone that is not high-risk for PPCs (ARISCAT score less than 26)
  • HypoventilationFirst 3 postoperative days

    Minutes per hour of hypoventilation which is defined as \<40% of a predicted minute ventilation volume