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Predicting Stroke Outcomes Using Ankle-Brachial Index and Inter-Ankle Blood Pressure Difference.


ABSTRACT: BACKGROUND:This study investigated the association of high ankle-brachial index difference (ABID) and systolic inter-ankle blood pressure difference (IAND) with short- and long-term outcomes in acute ischemic stroke patients without peripheral artery disease (PAD). METHODS:Consecutive patients with acute ischemic stroke who underwent ankle-brachial index (ABI) measurement were enrolled. ABID was calculated as |right ABI-left ABI|. IAND and systolic inter-arm blood pressure difference (IAD) were calculated as |right systolic blood pressure - left systolic blood pressure|. Poor functional outcome was defined as modified Rankin Scale score ?3 at 3 months. Major adverse cardiovascular events (MACEs) were defined as stroke recurrence, myocardial infarction, or death. RESULTS:A total of 2901 patients were enrolled and followed up for a median of 3.1 (interquartile range, 1.6-4.7) years. Among them, 2643 (84.9%) patients did not have PAD. In the logistic regression analysis, ABID ? 0.15 and IAND ? 15 mmHg were independently associated with poor functional outcome (odds ratio (OR), 1.970, 95% confidence interval (CI), 1.175?3.302; OR, 1.665, 95% CI, 1.188?2.334, respectively). In Cox regression analysis, ABID ?0.15 and IAND ? 15 mmHg were independently associated with MACEs (hazard ratio (HR), 1.514, 95% CI, 1.058?2.166; HR, 1.343, 95% CI, 1.051?1.716, respectively) and all-cause mortality (HR, 1.524, 95% CI, 1.039?2.235; HR, 1.516, 95% CI, 1.164?1.973, respectively) in patients without PAD. CONCLUSION:High ABID and IAND are associated with poor short-term outcomes, long-term MACE occurrence, and all-cause mortality in acute ischemic stroke without PAD.

SUBMITTER: Han M 

PROVIDER: S-EPMC7231112 | biostudies-literature | 2020 Apr

REPOSITORIES: biostudies-literature

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Predicting Stroke Outcomes Using Ankle-Brachial Index and Inter-Ankle Blood Pressure Difference.

Han Minho M   Kim Young Dae YD   Choi Jin Kyo JK   Choi Junghye J   Ha Jimin J   Park Eunjeong E   Kim Jinkwon J   Song Tae-Jin TJ   Heo Ji Hoe JH   Nam Hyo Suk HS  

Journal of clinical medicine 20200415 4


<h4>Background</h4>This study investigated the association of high ankle-brachial index difference (ABID) and systolic inter-ankle blood pressure difference (IAND) with short- and long-term outcomes in acute ischemic stroke patients without peripheral artery disease (PAD).<h4>Methods</h4>Consecutive patients with acute ischemic stroke who underwent ankle-brachial index (ABI) measurement were enrolled. ABID was calculated as |right ABI-left ABI|. IAND and systolic inter-arm blood pressure differe  ...[more]

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