Oxygen Saturation Patterns in Post-Op Patients at Risk for Obstructive Sleep Apnea

Medtronic - MITG100 enrolled

Overview

This study will include patients who have major surgery and are at risk for or have been diagnosed with sleep apnea. The patients will be monitored the night after surgery for repeating episodes of reduced breathing and oxygen levels. The study will determine if episodes of decreased breathing are reflected in the oxygen monitor.

There is no further detailed description available.

Study Type

OBSERVATIONAL

Enrollment

100

Conditions

Obstructive Sleep Apnea

Eligibility

Sex: ALLMin age: 18 Years

Medical Language ↔ Plain English

Inclusion Criteria: * Patients older than 18 years undergoing thoracic, vascular, head and neck, gynecological, urological, general, orthopedic, and plastic surgery. * Patient must require analgesia and/or sedation postoperatively by any route (intravenous, intramuscular, oral, epidural or intrathecal) for the duration of the study * Postoperative patients with at least one anticipated over night stay on the general ward with a minimum length of 14 hrs. * Patients in the ASA category 1-4 * Patients at high risk for obstructive sleep apnea (OSA) as identified by the STOP-Bang Questionnaire or patients previously diagnosed with OSA and not using a CPAP device. (No screening with STOP needed for these patients.) * Spontaneous breathing Exclusion Criteria: * Age less than 18 years * Patients receiving or anticipated to receive postoperative positive airway pressure support * Previous allergic/contact reactions to adhesives * Patients unable to give informed consent * Pregnancy

Locations (2)

Toronto General Hospital

Toronto, Ontario, Canada

Toronto Western Hospital

Toronto, Ontario, Canada

Outcomes

Primary Outcomes

Presence of Repetitive Reductions in Nasal Airflow Patterns in the Pulse Oximetry Saturation Trend Data.

Number of patients exhibiting the presence of repetitive reductions in airflow patterns in the pulse oximetry trend data collected on subjects

Time frame: 12 hour after released from the recovery room

Secondary Outcomes

Relationship Between the Oxygen Desaturation Patterns and Repetitive Reductions in Nasal Airflow as Measured by Inductance Plethysmography and Nasal Pressure.

The number of patients with a positive repetitive reduction in nasal airflow which correlates with positive oxygen desaturation pattern as measured by photoplethysmography sensors.

Time frame: 12 hours after discharge form the recovery room

Data from ClinicalTrials.gov

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