![]() ![]() The ethics committee approved this consent procedure.įrom May to November of 2013, 948 subjects (47.9☑8.5y) with normal SBP (90–139 mmHg), physical check and electrocardiogram at investigation were included. The results were recorded in medical record by a research assistant nurse for following up. After explaining the value of examination, all patients provided verbal informed consent as the BP measurement of four limbs is a non-invasive clinical examination. ![]() This study was approved by the Ethics Committee of the Second Affiliated Hospital of Nanchang University. This study evaluated the ankle systolic BP (SBP) in the subjects with normal arm SBP in order to provide a reference for normal ankle SBP. Increasing use of ankle BP needs a reference for normal range of ankle BP. Meanwhile, ankle BP is also often measured in operation. In these cases, taking ankle BP is an alternative way. ![]() In some patients, arm BP could not be taken or could not correctly reflect their real BP. The number of patients with occlusive subclavian and brachial artery disease is rising. Generally, arm SBP is used as the reference for identifying the abnormality of ankle SBP in most studies. For example, the normal range of ankle BP is still uncertain, although one study considered >175 mmHg as elevated ankle systolic BP (SBP). Although ankle BP has been demonstrated a predictor for subclinical atherosclerosis, cardio-cerebrovascular morbidity and mortality, the understanding on ankle BP per se is insufficient at present. Previously, ankle BP was mainly used for calculating ankle-brachial index (ABI). ![]() Ankle blood pressure (BP) is used more frequently in clinical practice as it could be easily taken using an electronic BP device. ![]()
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