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Quantifying Infra-slow Dynamics of Spectral Power and Heart Rate in Sleeping Mice
Published on: August 2, 2017
Lacunar stroke and heart rate variability during sleep.
Laura Buratti1, Crizia Cruciani1, Alessandra Pulcini1
1Neurological Clinic, Marche Polytechnic University, Via Conca 71, 60020, Ancona, Italy.
Nocturnal autonomic dysfunction is common in lacunar stroke patients, even without typical sleep disorders. Abnormal heart rate variability (HRV) may increase stroke recurrence risk, suggesting polygraphy is valuable.
Area of Science:
- Neurology
- Cardiology
- Sleep Medicine
Background:
- Autonomic instability during sleep is linked to cerebrovascular disease risk.
- Lacunar stroke patients face a high risk of recurrence.
Purpose of the Study:
- To evaluate heart rate variability (HRV) in lacunar stroke patients using polygraphy.
- To assess sleep quality and autonomic changes during sleep in these patients.
- To compare findings with a healthy control group.
Main Methods:
- Polygraphy monitoring was used to assess autonomic changes and HRV.
- Sleep quality was evaluated using the Pittsburgh Sleep Quality Index (PSQI).
- 21 lacunar stroke patients and 21 healthy controls were enrolled.
Main Results:
- Lacunar stroke patients exhibited significant differences in polysomnographic (PSG) parameters and PSQI scores compared to controls.
- Patients with abnormal HRV (HRV>2) had higher BMI and PSQI scores than those with normal HRV (HRV≤2).
- Nocturnal autonomic dysfunction was prevalent even without common sleep disorders.
Conclusions:
- Nocturnal autonomic dysfunction is highly prevalent in lacunar stroke patients.
- Abnormal HRV may contribute to the risk of stroke recurrence.
- Polygraphy should be carefully considered for lacunar stroke patients.
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