title: A comparison study of brachial blood pressure recorded with Spacelabs 90217A and Mobil-O-Graph NG devices under static and ambulatory conditions.
abstract: Ambulatory blood pressure monitoring is an important tool in hypertension diagnosis and management. Although several ambulatory devices exist, comparative studies are scarce. This study aimed to compare for the first time brachial blood pressure levels of Spacelabs 90217A and Mobil-O-Graph NG, under static and ambulatory conditions. We examined 40 healthy individuals under static (study A) and ambulatory (study B) conditions. In study A, participants were randomized into two groups that included blood pressure measurements with mercury sphygmomanometer, Spacelabs and Mobil-O-Graph devices with reverse order of recordings. In study B, simultaneous 6-h recordings with both devices were performed with participants randomized in two sequences of device positioning with arm reversal at 3 h. Finally, all the participants filled in a questionnaire rating their overall preference for a device. In study A, brachial systolic blood pressure (117.2±10.3 vs 117.1±9.8 mm Hg, P=0.943) and diastolic blood pressure (73.3±9.4 mm Hg vs 74.1±9.4 mm Hg, P=0.611) did not differ between Spacelabs and Mobil-O-Graph or vs sphygmomanometer (117.8±11.1 mm Hg, P=0.791 vs Spacelabs, P=0.753 vs Mobil-O-Graph). Similarly, no differences were found in ambulatory systolic blood pressure (117.9±11.4 vs 118.3±11.0 mm Hg, P=0.864), diastolic blood pressure (73.7±7.4 vs 74.7±8.0 mm Hg, P=0.571), mean blood pressure and heart rate between Spacelabs and Mobil-O-Graph. Correlation analyses and Bland-Altman plots showed agreement between the monitors. Overall, the participants showed a preference for the Mobil-O-Graph. Spacelabs 90217A and Mobil-O-Graph NG provide practically identical measurements during the static and ambulatory conditions in healthy individuals and can be rather used interchangeably in clinical practice.
authors.affiliation: Department of Nephrology, Hippokration Hospital, Aristotle University of Thessaloniki, Thessaloniki, Greece.
authors.forename: P A
authors.initials: PA
authors.lastname: Sarafidis
authors.affiliation: Second Propaedeutic Department of Internal Medicine, Hippokration Hospital, Aristotle University of Thessaloniki, Thessaloniki, Greece.
authors.forename: A A
authors.initials: AA
authors.lastname: Lazaridis
authors.affiliation: Second Propaedeutic Department of Internal Medicine, Hippokration Hospital, Aristotle University of Thessaloniki, Thessaloniki, Greece.
authors.forename: K P
authors.initials: KP
authors.lastname: Imprialos
authors.affiliation: Section of Nephrology and Hypertension, First Department of Medicine, AHEPA University Hospital, Thessaloniki, Greece.
authors.forename: P I
authors.initials: PI
authors.lastname: Georgianos
authors.affiliation: Second Propaedeutic Department of Internal Medicine, Hippokration Hospital, Aristotle University of Thessaloniki, Thessaloniki, Greece.
authors.forename: K A
authors.initials: KA
authors.lastname: Avranas
authors.affiliation: Hypertension Unit and Cardiovascular Research Laboratory, First Propaedeutic Department of Internal Medicine, Medical School, Laiko Hospital, National and Kapodistrian University of Athens, Athens, Greece.
authors.forename: A D
authors.initials: AD
authors.lastname: Protogerou
authors.affiliation: Second Propaedeutic Department of Internal Medicine, Hippokration Hospital, Aristotle University of Thessaloniki, Thessaloniki, Greece.
authors.forename: M N
authors.initials: MN
authors.lastname: Doumas
authors.affiliation: Second Propaedeutic Department of Internal Medicine, Hippokration Hospital, Aristotle University of Thessaloniki, Thessaloniki, Greece.
authors.forename: V G
authors.initials: VG
authors.lastname: Athyros
authors.affiliation: Second Propaedeutic Department of Internal Medicine, Hippokration Hospital, Aristotle University of Thessaloniki, Thessaloniki, Greece.
authors.forename: A I
authors.initials: AI
authors.lastname: Karagiannis
mesh_terms: D000293:Adolescent; D000328:Adult; D062186:Arterial Pressure; D018660:Blood Pressure Monitoring, Ambulatory / Q000295:instrumentation*; D015924:Blood Pressure Monitors; D001916:Brachial Artery / Q000502:physiology*; D004867:Equipment Design; D005260:Female; D006115:Greece; D006801:Humans; D008297:Male; D017060:Patient Satisfaction; D011237:Predictive Value of Tests; D015203:Reproducibility of Results; D019722:Sphygmomanometers; D011795:Surveys and Questionnaires; D013997:Time Factors; D055815:Young Adult