Validating the accuracy of a multifunctional smartwatch sphygmomanometer to monitor blood pressure  

作　　者：Li YI Zhong-Hua LV Shun-Ying HU Yu-Qi LIU Jia-Bing YAN Hui Zhang Hong-Bao LI Qin CHEN Yue-Yang LI Yu-Fan JIANG Hao ZHOU Mu-Ding LI Run-Du CHEN Xiao-Long LI Shan-Shan ZHOU Yun-Dai CHEN 

机构地区：[1]Department of Cardiology,the First Medical Centre,Chinese PLA General Hospital,Beijing,China [2]Department of Cardiology,the Sixth Medical Centre,Chinese PLA General Hospital,Beijing,China [3]Medical School of Chinese PLA,Beijing,China [4]Huawei Device Co.,Ltd.,Shenzhen,China

出　　处：《Journal of Geriatric Cardiology》2022年第11期843-852,共10页老年心脏病学杂志（英文版）

基　　金：supported by the National Key Research and Development Program of China (2020 YFC1512305)

摘　　要：BACKGROUND Hypertension is the most modifiable factor associated with cardiovascular events and complications.The conventional blood pressure(BP) meter method is simple but is limited in terms of real-time monitoring abnormal BP.Therefore,the development of a multifunction smartwatch(HUAWEI WATCH D) sphygmomanometer could significantly improve integrated BP monitoring.METHODS We enrolled 361 subjects from Chinese PL A General Hospital,Beijing,China to validate the accuracy of the smartwatch versatile sphygmomanometer using ISO 81060-2:2018.Resting and ambulatory BP accuracy of the smartwatch were compared with gold standard clinical sphygmomanometers using ISO 81060-2:2018 guidelines,the accuracy of 24 h systolic blood pressure(SBP) circadian rhythm monitoring,and diurnal high SBP alert for this smartwatch were assessed using a confusion matrix approach.Additionally,we analyzed online users of different ages for compliance.RESULTS Eighty-five subjects underwent resting BP measurements;the mean resting BP differences between two devices were-0.683±6.203 mmHg(SBP)(P=0.723) and 1.628±5.028 mmHg(diastolic blood pressure,DBP)(P=0.183).In 35 subjects’ ambulatory BP measurements,the mean differences of ambulatory BP were-1.943±5.475 mmHg(SBP)(P=0.923) and 3.195±5.862 mmHg(DBP)(P=0.065).All data complied with ISO 81060-2:2018 guidelines(mean ≤±5 mmHg and standard deviation ≤±8 mmHg) with no significant differences.Positive predictive values(PPV) of resting SBP and DBP were 0.635 and 0.671,respectively.The PPV of ambulatory SBP and DBP were 0.686.Also,24 h SBP circadian rhythm monitoring was performed in 107 subjects:accuracy=0.850,specificity=0.864,precision/PPV=0.833,sensitivity=0.833,and F1-measure(F1)=0.833.The accuracy,specificity,precision,sensitivity,and F1 values in 85 subjects undergoing diurnal high SBP alerting were 0.858,0.876,0.706,0.809,and 0.754,respectively.CONCLUSIONS When compared with the gold standard clinical sphygmomanometer,smartwatch results were consistent and accurate.Online user feed

关 键 词：SPECIFICITY smart DATING 

分 类 号：R544.1[医药卫生—心血管疾病]