Heart Rate Monitoring in Stroke Patients
Author Information
Author(s): Ritter Martin A, Rohde Anne, Heuschmann Peter U, Dziewas Rainer, Stypmann Jörg, Nabavi Darius G, Ringelstein Bernd E
Primary Institution: Department of Neurology, University of Münster
Hypothesis
What does heart rate tell about prognosis in acute stroke patients?
Conclusion
Significant tachycardia and bradycardia are common in acute stroke, but they do not independently predict clinical outcomes.
Supporting Evidence
- Tachycardia occurred in 39 patients (15%) and was predicted by stroke severity and atrial fibrillation.
- Bradycardia occurred in 12 patients (5%) and was predicted by lower heart rate on admission.
- Neither tachycardia nor bradycardia independently predicted poor outcomes at three months.
Takeaway
Doctors checked the heart rates of stroke patients to see if it could help predict how well they would do. They found that while heart rates can change a lot, they don't really help tell if someone will get better or worse.
Methodology
The study assessed demographic data, stroke risk factors, and heart rate in 256 patients with ischemic stroke, monitored for at least 24 hours.
Potential Biases
Patients with severe strokes were excluded, which may have biased the results towards less severe cases.
Limitations
The study excluded patients with severe strokes who were intubated, potentially underestimating the frequency of rhythm disturbances.
Participant Demographics
The study included 256 patients with ischemic stroke, with a median age of 70 years, and 53% were male.
Statistical Information
P-Value
p<0.0001
Statistical Significance
p<0.05
Digital Object Identifier (DOI)
Want to read the original?
Access the complete publication on the publisher's website