Cardiovascular impact of manual and automated turns in ICU

Nikhil S. Padhye; Shannan K. Hamlin; Audrius Brazdeikis; Sandra K. Hanneman

doi:10.1109/IEMBS.2009.5332599

Cardiovascular impact of manual and automated turns in ICU

Nikhil S. Padhye, Shannan K. Hamlin, Audrius Brazdeikis, Sandra K. Hanneman

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

6 Scopus citations

Abstract

Mechanically ventilated patients in the intensive care unit (ICU) are typically turned manually by nursing staff to reduce the risk of developing ventilator associated pneumonia and other problems in the lungs. However, turning can induce changes in the heart rate and blood pressure that can at times have a destabilizing effect. We report here on the early stage of a study that has been undertaken to measure the cardiovascular impact of manual turning, and compare it to changes induced when patients lie on automated beds that turn continuously. Heart rate and blood pressure data were analyzed over ensembles of turns with autoregressive models for comparing baseline level to the dynamic response. Manual turning stimulated a response in the heart rate that lasted for a median of 20 minutes and was of magnitude 5 to 13 bpm. The corresponding response in mean arterial pressure was 11 to 19 mm Hg, lasting for 8 to 21 minutes. There was no discernible response of either variable to automated turns.

Original language	English (US)
Title of host publication	Proceedings of the 31st Annual International Conference of the IEEE Engineering in Medicine and Biology Society
Subtitle of host publication	Engineering the Future of Biomedicine, EMBC 2009
Publisher	Institute of Electrical and Electronics Engineers Inc.
Pages	1844-1847
Number of pages	4
ISBN (Print)	9781424432967
DOIs	https://doi.org/10.1109/IEMBS.2009.5332599
State	Published - Jan 1 2009
Event	31st Annual International Conference of the IEEE Engineering in Medicine and Biology Society: Engineering the Future of Biomedicine, EMBC 2009 - Minneapolis, MN, United States Duration: Sep 2 2009 → Sep 6 2009

Conference

Conference	31st Annual International Conference of the IEEE Engineering in Medicine and Biology Society: Engineering the Future of Biomedicine, EMBC 2009
Country/Territory	United States
City	Minneapolis, MN
Period	9/2/09 → 9/6/09

ASJC Scopus subject areas

Cell Biology
Developmental Biology
Biomedical Engineering
Medicine(all)

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10.1109/IEMBS.2009.5332599

Cite this

Padhye, N. S., Hamlin, S. K., Brazdeikis, A., & Hanneman, S. K. (2009). Cardiovascular impact of manual and automated turns in ICU. In Proceedings of the 31st Annual International Conference of the IEEE Engineering in Medicine and Biology Society: Engineering the Future of Biomedicine, EMBC 2009 (pp. 1844-1847). Article 5332599 Institute of Electrical and Electronics Engineers Inc.. https://doi.org/10.1109/IEMBS.2009.5332599

Cardiovascular impact of manual and automated turns in ICU. / Padhye, Nikhil S.; Hamlin, Shannan K.; Brazdeikis, Audrius et al.
Proceedings of the 31st Annual International Conference of the IEEE Engineering in Medicine and Biology Society: Engineering the Future of Biomedicine, EMBC 2009. Institute of Electrical and Electronics Engineers Inc., 2009. p. 1844-1847 5332599.

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Padhye, NS, Hamlin, SK, Brazdeikis, A & Hanneman, SK 2009, Cardiovascular impact of manual and automated turns in ICU. in Proceedings of the 31st Annual International Conference of the IEEE Engineering in Medicine and Biology Society: Engineering the Future of Biomedicine, EMBC 2009., 5332599, Institute of Electrical and Electronics Engineers Inc., pp. 1844-1847, 31st Annual International Conference of the IEEE Engineering in Medicine and Biology Society: Engineering the Future of Biomedicine, EMBC 2009, Minneapolis, MN, United States, 9/2/09. https://doi.org/10.1109/IEMBS.2009.5332599

Padhye NS, Hamlin SK, Brazdeikis A, Hanneman SK. Cardiovascular impact of manual and automated turns in ICU. In Proceedings of the 31st Annual International Conference of the IEEE Engineering in Medicine and Biology Society: Engineering the Future of Biomedicine, EMBC 2009. Institute of Electrical and Electronics Engineers Inc. 2009. p. 1844-1847. 5332599 doi: 10.1109/IEMBS.2009.5332599

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abstract = "Mechanically ventilated patients in the intensive care unit (ICU) are typically turned manually by nursing staff to reduce the risk of developing ventilator associated pneumonia and other problems in the lungs. However, turning can induce changes in the heart rate and blood pressure that can at times have a destabilizing effect. We report here on the early stage of a study that has been undertaken to measure the cardiovascular impact of manual turning, and compare it to changes induced when patients lie on automated beds that turn continuously. Heart rate and blood pressure data were analyzed over ensembles of turns with autoregressive models for comparing baseline level to the dynamic response. Manual turning stimulated a response in the heart rate that lasted for a median of 20 minutes and was of magnitude 5 to 13 bpm. The corresponding response in mean arterial pressure was 11 to 19 mm Hg, lasting for 8 to 21 minutes. There was no discernible response of either variable to automated turns.",

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Cardiovascular impact of manual and automated turns in ICU

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