Effects of aging on blood flow volumes, velocities, mean vessel diameters, and vessel elasticities of the common carotid artery in healthy volunteers: A longitudinal study.

Hiroaki Takahashi; Shu Konno; Katsumi Watanabe; Daizou Koizumi; Hideo Tohgi

doi:10.3995/jstroke.19.301

January 1, 1997NosotchuOpen Access

Effects of aging on blood flow volumes, velocities, mean vessel diameters, and vessel elasticities of the common carotid artery in healthy volunteers: A longitudinal study.

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Why the study?

Does aging over a 4-year period affect common carotid artery blood flow and vessel characteristics in healthy volunteers?

Key Points

To evaluate longitudinal four-year age-related changes in blood flow volume, flow velocity, mean vessel diameter, and arterial elasticity of the common carotid artery in healthy adults.
Conducted a 4-year longitudinal investigation assessing 37 healthy participants without medication history, stroke history, or stroke risk factors across 1991 and 1995.
Measured vascular parameters using a cerebral vascular characteristics measurement system (QFM-2000XA) combining ultrasound Doppler and pulse echo-tracking methods.
Blood flow velocity decreased significantly from 21.6 ± 3.4 to 19.8 ± 3.4 cm/s (p < 0.05), whereas common carotid blood flow volume showed no significant change.
Mean vessel diameter widened from 7.4 ± 0.6 to 7.7 ± 0.7 mm (p < 0.05), and vessel pulsatility width decreased from 4.7 ± 1.2% to 3.9 ± 1.1% (p < 0.0005).

Structured PICO

Does aging over a 4-year period affect common carotid artery blood flow and vessel characteristics in healthy volunteers?

P

Population

37 healthy volunteers undergoing health screening, with no history of medication use, stroke, or risk factors.

I

Intervention

4 years of aging (longitudinal observation from 1991 to 1995).

C

Comparator

Baseline measurements in 1991.

O

Outcome

Changes in common carotid artery blood flow volume, blood flow velocity, mean vessel diameter, and vessel pulsatility (elasticity).surrogate

Even in healthy individuals without risk factors, common carotid artery characteristics such as velocity, diameter, and elasticity change significantly over a 4-year period due to aging.

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Implication

Aging alters carotid characteristics even in healthy adults; extends vascular aging data but leaves open clinical relevance and should not yet change practice.

Abstract

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Cite This Study

Takahashi et al. (1997) studied this question.

synapsesocial.com/papers/6a8682257aa83aa0d2942d15 https://doi.org/10.3995/jstroke.19.301

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Effects of aging on blood flow volumes, velocities, mean vessel diameters, and vessel elasticities of the common carotid artery in healthy volunteers: A longitudinal study.

Key Points

Structured PICO

Ask about this paper

Implication

Abstract

Discussion

Cite This Study

Effects of aging on blood flow volumes, velocities, mean vessel diameters, and vessel elasticities of the common carotid artery in healthy volunteers: A longitudinal study.

Key Points

Structured PICO

Ask about this paper

Implication

Abstract

Discussion

Cite This Study

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