Devices and TechnologyValidation of a non-mercury digital auscultatory device with manual pressure registration (PMS Mandaus)Wilton, Anja; Shabeeh, Husain; Cuckson, Clare; Shennan, Andrew H. Author Information Kings College London, Guy's, Kings and St Thomas' School of Medicine, Maternal and Fetal Health Research Unit, Division of Reproductive Health, Endocrinology and Development, St Thomas' Hospital, London, UK Correspondence and requests for reprints to Prof. A.H. Shennan, Maternal and Fetal Health Research Unit, Division of Reproductive Health, Endocrinology and Development, St Thomas' Hospital, London SE1 7EH, UK Tel: +44 20 7188 3640; fax: +44 20 7620 1227; e-mail: [email protected] Conflict of interest: None. Received 16 October 2005 Accepted 23 December 2005 Blood Pressure Monitoring: June 2006 - Volume 11 - Issue 3 - p 161-164 doi: 10.1097/01.mbp.0000209076.15461.25 Buy Metrics Abstract Objective To assess the clinical accuracy of a non-mercury digital auscultatory device (PMS Mandaus) with manual pressure registration in an adult population. Methods The accuracy of the device was assessed by predefined criteria (European Society of Hypertension protocol) in 33 study participants recruited from among patients and staff in a teaching hospital. A series of same-arm sequential blood pressure measurements were taken: first, two observers taking simultaneous mercury readings, followed by a reading with the device. A total of seven readings were taken from each participant in the sitting position. The data were then analysed according to the European Society of Hypertension protocol and the criteria of the Association for the Advancement of Medical Instrumentation. Results The device fulfilled the criteria of the European Society of Hypertension protocol, achieving a pass for both systolic and diastolic pressure. The device also passed the Association for the Advancement of Medical Instrumentation standard (the mean to be within 5±8 mmHg) with the mean differences being −3.2±3.8 mmHg for systolic blood pressure and −1.8±2.9 mmHg for diastolic blood pressure. Conclusion The device performed in a satisfactory manner according to the European Society of Hypertension and the Association for the Advancement of Medical Instrumentation criteria. The systematic under-recording related to the delay of manual pressure registration is not sufficient to preclude clinical use. © 2006 Lippincott Williams & Wilkins, Inc.