July 1, 1990Journal of Ultrasound in Medicine

Side-to-side differences and day-to-day variations of transcranial Doppler parameters in normal subjects.

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Population

35 normal adults

Design

Cohort

Authors

WSW. SortebergOslo University Hospital ILIver A. LangmoenOslo University Hospital KLKarl-Fredrik LindegaardLinde (United States)

Discussion

Member takes

Implication

May support >20% change threshold for serial TCD in normals; leaves open validation in cerebrovascular disease.

Structured PICO

Population

35 normal adults

Intervention

Transcranial Doppler assessment

Outcome

Variations in cerebral artery blood velocities, hemispheric blood velocity ratios, and pulsatility indices between sides and between dayssurrogate

Changes exceeding 20% in transcranial Doppler blood velocities or hemispheric ratios between days can be considered statistically significant in normal adults.

Cite This Study

Sorteberg et al. (1990) studied this question.

synapsesocial.com/papers/6a7fbe0d37804d00d378538d https://doi.org/10.7863/jum.1990.9.7.403

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Side-to-side differences and day-to-day variations of transcranial Doppler parameters in normal subjects.

Discussion

Member takes

Implication

Structured PICO

Cite This Study

Side-to-side differences and day-to-day variations of transcranial Doppler parameters in normal subjects.

Discussion

Member takes

Implication

Structured PICO

Cite This Study

Also Consider

Also Consider