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Continuous pulse oximetry in acute hemiparetic stroke.
G Sulter1, J W Elting, R Stewart
1Department of Neurology, Academisch Ziekenhuis Groningen, Postbus 30. 001, 9700 RB, Groningen, The Netherlands. g.a.sulter@neuro.azg.nl
Journal of the Neurological Sciences
|October 31, 2000
Summary
Continuous pulse oximetry effectively detects arterial oxygen desaturations in acute hemiparetic stroke patients. Early oxygen administration is safe and beneficial for managing these common oxygen drops.
Area of Science:
- Neurology
- Critical Care Medicine
- Respiratory Medicine
Background:
- Hypoxemia poses risks to ischemic brain tissue.
- Acute hemiparetic stroke is a common neurological emergency.
- Early detection of oxygen desaturation is crucial for stroke management.
Purpose of the Study:
- To evaluate continuous pulse oximetry for detecting arterial oxygen desaturations in acute hemiparetic stroke.
- To assess the impact and efficacy of early oxygen administration in these patients.
Main Methods:
- 49 patients with acute hemiparetic stroke monitored for 48 hours using pulse oximetry.
- Intervention: Oxygen therapy initiated when arterial oxygen saturation (SaO2) dropped below 96% for over 5 minutes.
- Oxygen administered via nasal prongs or mask, with titration of flow rate.
Main Results:
- 63.3% of patients experienced arterial oxygen desaturations.
- Oxygen therapy was effective in most patients, with only 3 requiring high concentrations.
- Desaturations correlated with stroke severity, dysphagia, and older age.
- No acute adverse effects of oxygen treatment were observed.
Conclusions:
- Arterial oxygen desaturations are frequent in acute hemiparetic stroke.
- Continuous pulse oximetry is a valuable tool for early detection of desaturations.
- Pulse oximetry facilitates effective titration of oxygen therapy in stroke patients.