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Hypoxic events in the surgical intensive care unit
F A Moore1, J B Haenel, E E Moore
1Department of Surgery, Denver General Hospital, CO 80204-4507.
American Journal of Surgery
|December 1, 1990
Summary
Acute hypoxia is common in surgical intensive care units (SICUs), affecting 21% of patients. Continuous oxygen monitoring can help identify these events early, potentially preventing adverse outcomes.
Area of Science:
- Critical Care Medicine
- Respiratory Physiology
Background:
- Hypoxia is a significant concern in surgical intensive care units (SICUs).
- Understanding the incidence and causes of hypoxic events is crucial for patient management.
Purpose of the Study:
- To establish an oxygen-monitoring protocol in a SICU.
- To prospectively document hypoxic events and their causes.
Main Methods:
- A 3-month surveillance audit was conducted in a SICU.
- 100 consecutive hypoxic events were documented in 241 patients.
- Various monitoring methods (pulse oximetry, blood gas analysis) were used for detection.
Main Results:
- 21% of SICU patients experienced hypoxic events.
- Common causes included ventilator/airway issues (42%) and recent interventions (21%).
- Two-thirds of events stemmed from mechanical problems requiring simple interventions.
Conclusions:
- Acute hypoxia is a frequent and potentially morbid event in SICUs.
- Continuous oxygen monitoring aids early identification and may limit adverse outcomes.
- Monitoring should focus on early detection rather than extensive work-ups.