Key result
Pacemaker implantation in severely bradycardic patients improved cerebral blood flow and verbal cognitive function, with blood flow changes correlating with heart rate changes.
Why the study?
Does pacemaker implantation improve cerebral blood flow and cognitive function in severely bradycardic patients?
Population
14 severely bradycardic patients, mean age 75.2 years
Comparison
Pacemaker implantation vs Pre-implantation baseline
Design
Case_series
Authors
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Hypothesis-generating for pacing in bradycardic cognitive impairment; prospective trials needed before clinical adoption.
Observational (n=14)
Does pacemaker implantation improve cerebral blood flow and cognitive function in severely bradycardic patients?
Pacemaker implantation in elderly patients with severe bradycardia improves cerebral blood flow and cognitive function, suggesting heart rate is a key regulator of cerebral circulation.
Koide et al. (2009) conducted an observational in Severe bradycardia (n=14). Pacemaker implantation vs. Pre-implantation baseline and age-matched controls was evaluated on Cerebral blood flow and cognitive function. Pacemaker implantation in severely bradycardic patients improved cerebral blood flow and verbal cognitive function, with blood flow changes correlating with heart rate changes.
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