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KMID : 0363620230440040087
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Journal of Korean Oriental Medicine
2023 Volume.44 No. 4 p.87 ~ p.103
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Effects of Cardiotonic Pills® on Cerebrovascular CO2 Reactivity and Erythrocyte Deformability in Normal Subjects: A Pilot Study
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Moon Sang-Kwan
Lee Han-Gyul
Kwon Seung-Won
Cho Seung-Yeon
Park Seong-Uk
Jung Woo-Sang
Park Jung-Mi
Ko Chang-Nam
Cho Ki-Ho
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Abstract
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Backgrounds and objectives: Cardiotonic Pills® (CP) are used for vascular diseases such as coronary diseases, atherosclerosis, and cerebral infarction. This study aimed to determine the transient effects of CP on cerebrovascular CO2 reactivity (CVR) and erythrocyte deformability in normal subjects.
Methods: This study had a crossover design and included 10 participants who were randomly allocated to 2 groups. The experimental group was given CP with water, while the control group was given only water. CVR was measured by hyperventilation-induced CVR of the middle cerebral artery (MCA) using transcranial Doppler (TCD). Erythrocyte deformability was measured using a Rheoscan-D microfluidic ektacytometer. All measurements were performed prior to and 1, 2, and 3 hours after CP or water administration. Blood pressure and heart rate were also measured before and after administration.
Results: CP significantly improved CVR 3 hours after administration in the experimental group compared to the control group (p = 0.042). The corrected blood flow velocity at partial pressure of end-tidal carbon dioxide (PETCO2) = 40mmHg (CV40) was also significantly improved 2 and 3 hours after administration in the CP group compared to the control group (p = 0.036 and p = 0.021, respectively). CP significantly improved erythrocyte deformability 3 hours after administration in the experimental group compared to the control group (p = 0.027). Mean heart rate and mean blood pressure showed no change.
Conclusions: This study demonstrated that CP increases CVR and erythrocyte deformability. These results suggested that CP improves cerebral microcirculation which provide evidence for the future use of CP for prevention of ischemic stroke and neurodegenerative diseases.
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KEYWORD
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Cardiotonic Pills, Cerebrovascular CO2 reactivity, Erythrocyte Deformability, Transcranial Doppler
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