Continuous noninvasive arterial pressure measurement using the volume clamp method: an evaluation of the CNAP device in intensive care unit patients

Journal of Clinical Monitoring and Computing
Julia Y WagnerBernd Saugel

Abstract

The CNAP system allows continuous noninvasive arterial pressure measurement based on the volume clamp method using a finger cuff. We aimed to evaluate the agreement between arterial pressure measurements noninvasively obtained using the CNAP device and arterial catheter-derived arterial pressure measurements in intensive care unit patients. In 55 intensive care unit patients, we simultaneously recorded arterial pressure values obtained by an arterial catheter placed in the abdominal aorta through the femoral artery (criterion standard) and arterial pressure values determined noninvasively using CNAP. We performed Bland-Altman analysis and calculated the percentage error. The mean difference (±standard deviation, 95% limits of agreement, percentage error) between noninvasive (CNAP) and invasively assessed arterial pressure was for mean arterial pressure +1 mmHg (±9 mmHg, -16 to +19 mmHg, 22%), for systolic arterial pressure -10 mmHg (±16 mmHg, -42 to +21 mmHg, 27%), and for diastolic arterial pressure +7 mmHg (±9 mmHg, -10 to +24 mmHg, 28%). Our results indicate a reasonable accuracy and precision for the determination of mean and diastolic arterial pressure by noninvasive continuous arterial pressure measurements using the volu...Continue Reading

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Citations

Feb 13, 2016·Journal of Clinical Monitoring and Computing·Karim BendjelidBernd Saugel
Aug 20, 2015·Canadian Journal of Anaesthesia = Journal Canadien D'anesthésie·Karsten Bartels, Robert H Thiele
Feb 9, 2017·Journal of Clinical Monitoring and Computing·Frederic MichardAndrea Kurz
Dec 15, 2017·Anesthesia and Analgesia·Bernd SaugelJulia Y Nicklas
Oct 6, 2017·Journal of Clinical Monitoring and Computing·Sándor FöldiGyörgy Cserey
Oct 5, 2018·Journal of Clinical Monitoring and Computing·Keisuke TomitaShigeto Oda
Jan 31, 2019·Revista latino-americana de enfermagem·Camila de Assunção PeixotoMaria Helena Barbosa
May 20, 2016·Anesthesia and Analgesia·Karsten BartelsRobert H Thiele
Jun 1, 2017·Revista da Escola de Enfermagem da U S P·Fernanda Penido MatozinhosFlávia Sampaio Latini Gomes
Jul 26, 2018·European Journal of Emergency Medicine : Official Journal of the European Society for Emergency Medicine·Louise H HansenKarsten Bülow
Apr 19, 2019·Blood Pressure Monitoring·Shuichi SatakeKoji Kono
Sep 10, 2020·Frontiers in Physiology·Nana-Yaw Bimpong-ButaChristian Jung
Dec 6, 2018·Scandinavian Journal of Trauma, Resuscitation and Emergency Medicine·Benjamin Mothibe BussmannTim Harris
Mar 7, 2021·Journal of Personalized Medicine·Marcell VirágZsolt Molnar
Jul 11, 2021·Intensive & Critical Care Nursing : the Official Journal of the British Association of Critical Care Nurses·Navpreet KambojAaron Conway

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