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- W1979822012 abstract "Post-operative pain management in older adult patients (50+ years old) is especially complicated due to a higher incidence of respiratory complications exacerbated by poor monitoring. Current protocols rely on oxygenation and subjective determination of respiratory rate to assess respiratory status in these aging patients. However, these methods provide only a lagging indicator of pulmonary function without mention of important lung volumes. A bioimpedance-based Respiratory Variation Monitor (RVM) was developed to continuously monitor pulmonary function using real-time measurement of respiratory rate (RR), tidal volume (TV), and minute ventilation (MV). Respiratory signals were collected from 32 older adult subjects (range 51–84 years, mean 60.7 years) using 5 different lead confirgurations (A-E) placed at specific anatomical landmarks on the thorax. Using advanced software and proprietary algorithms, RR, TV, and MV were calculated from RVM measurements during normal and erratic breathing tests and compared to simultaneously collected spirometric values at each of the 5 lead configurations. Correlations between RVM and spirometry data were calculated for each lead configuration. Mean correlations ranged from 0.74 – 0.96 with the highest correlation (0.96 ± 0.07) corresponding to configuration E. The RVM system can be used to accurately determine respiratory rate, tidal volume, and minute ventilation in ambulatory older adults. Real-time monitoring of older post-operative patients may allow for more accurate titration of analgesics with the potential to reduce the risk of consequent respiratory depression." @default.
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- W1979822012 date "2012-04-01" @default.
- W1979822012 modified "2023-09-27" @default.
- W1979822012 title "Development of a continuous, non-invasive Respiratory Variation Monitor for use in pain management of an aging population" @default.
- W1979822012 doi "https://doi.org/10.1016/j.jpain.2012.01.010" @default.
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