Atrial fibrillation does not affect ankle-brachial index measured using the Doppler method

Hypertension Research : Official Journal of the Japanese Society of Hypertension
Michał DąbrowskiMaciej Siński

Abstract

Atrial fibrillation may affect blood pressure measurements. The ankle-brachial index (ABI) is a ratio of systolic blood pressure measured on the lower and upper limbs that may also be affected by arrhythmia. The purpose of the study was to investigate whether atrial fibrillation influenced ABI results. Ninety-nine patients (age 66.6±11 years, 63 males and 36 females) who underwent electrical cardioversion of atrial fibrillation were investigated. ABI measurements using the Doppler method were performed on both lower extremities before and after electrical cardioversion. Measurements were repeated three times and then averaged. The ABI using both lower limbs was lower before electrical cardioversion than after restoration to sinus rhythm (right side: 1.132 (1.065-1.210) during atrial fibrillation vs. 1.179 (1.080-1.242) in sinus rhythm, P=0.019; left side: 1.142 (1.075-1.222) during atrial fibrillation vs. 1.170 (1.098-1.255) in sinus rhythm, P=0.011). However, the upper 95% confidence interval (CI) margins for the median differences in ABI were 0.045 and 0.040 for right and left, respectively, suggesting that the observed difference was clinically insignificant. There was a significant correlation between measurements obtained ...Continue Reading

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Citations

Jan 12, 2020·Hypertension Research : Official Journal of the Japanese Society of Hypertension·Feng XieHai Su
May 4, 2018·Hypertension Research : Official Journal of the Japanese Society of Hypertension·Victor Aboyans, Ileana Desormais
Jul 22, 2019·Archives of Medical Science : AMS·Nazanin EbrahimiMohammad Masoumi

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