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Home blood pressure measurement has become essential in the hypertension practice. In MedicalLINK system, blood pressure values measured at home are automatically sent to the server in each time by 3G networks, and can be monitored by a personal computer or a mobile phone, and can be shared with healthcare professionals and family. We evaluated whether this system could change subjective life satisfaction and improvement of health care of the elderly living in isolated islands in Okinawa.Subjects were dwelling elderly in seven isolated islands, who were living independently with or without spouse, whose age were 60 and over, and agree to attend this project. Basic characteristics of subjects, including social factors and activity of daily living, were collected from interview and questionnaires. Blood pressure values were collected by MedicalLINK system. The interview and questionnaires were also applied to clinic doctors, public health nurses to assess their understanding and efforts willingness on the project. We evaluated factors for the continuation of measuring of home blood pressure, and compared those among islands.We recruited 232 subjects (average age: 76.3 years old; men 42.5%), 69.3% of the subjects were attending with hypertension, and 48 subjects were drop out from blood pressure measurement. There was no difference among seven islands in the willingness for the home blood pressure measurement of the subjects. The factors associated with keeping measurement of blood pressure were having own device, high intellectual daily activity, not solitary and medical stuff attitude.Not only Information and Communication Technology enhance the capability of collecting blood pressure values from residents with or without hypertension, but also there is a possibility of improving the healthcare satisfaction of residents. In addition, it is important that healthcare professionals encourage for home blood pressure measuring.