Is applanation tonometry a reliable method for monitoring blood pressure in morbidly obese patients undergoing bariatric surgery? G Greiwe, P.A. Tariparast,

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Presentation transcript:

Is applanation tonometry a reliable method for monitoring blood pressure in morbidly obese patients undergoing bariatric surgery? G Greiwe, P.A. Tariparast, C Behem, M Petzoldt, L Herich, C.J. Trepte, D.A. Reuter, S.A. Haas British Journal of Anaesthesia Volume 116, Issue 6, Pages 790-796 (June 2016) DOI: 10.1093/bja/aew100 Copyright © 2016 The Author(s) Terms and Conditions

Fig 1 Bland-Altman plots illustrating bias (intermediate dashed horizontal line) and 95% limits of agreement (upper and lower dashed horizontal lines) between MAPAT and MAPAL (a), SAPAT and SAPAL (b) and DAPAT and DAPAL (c). A bias close to 0 mm Hg would indicate a high accuracy of the tested method, whereas narrow 95% limits of agreement would indicate a high precision of the tested method. British Journal of Anaesthesia 2016 116, 790-796DOI: (10.1093/bja/aew100) Copyright © 2016 The Author(s) Terms and Conditions

Fig 2 4-quadrant plots illustrating concordance of AP changes within 30 s comparing APAL and APAT values for MAP (a), SAP (b) and DAP (c). An exclusion zone of 3 mm Hg was applied. An APAT value was considered to be concordant if the corresponding APAL value changed in the same direction. Concordant data points are plotted in the lower left or upper right quadrant. A high rate of concordance would indicate a high ability of trending of the tested method. British Journal of Anaesthesia 2016 116, 790-796DOI: (10.1093/bja/aew100) Copyright © 2016 The Author(s) Terms and Conditions