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- Title
Evaluation of continuous non-invasive arterial pressure monitoring during induction of general anaesthesia in patients undergoing cardiac surgery.
- Authors
Kumar, G. Anil; Jagadeesh, A. M.; Singh, Naveen G.; Prasad, S. R.
- Abstract
Background and Aims: Continuous arterial pressure monitoring is essential in cardiac surgical patients during induction of general anaesthesia (GA). Continuous non.invasive arterial pressure (CNAP) monitoring is fast gaining importance due to complications associated with the invasive arterial monitoring. Recently, a new continuous non.invasive arterial pressure device (CNAP.) has been validated perioperatively in non.cardiac surgeries. The aim of our study is to compare and assess the performance of CNAP during GA with invasive arterial pressure (IAP) in patients undergoing cardiac surgeries. Methods: Sixty patients undergoing cardiac surgery were included. Systolic, diastolic, and mean arterial pressure (MAP) data were recorded every minute for 20 min simultaneously for both IAP and CNAP.. Statistical analysis was performed using mountain plot and Bland Altman plots for assessing limits of agreement and bias (accuracy) calculation. Totally 1200 pairs of data were analysed. Results: The CNAP. systolic, diastolic and MAP bias was 5.98 mm Hg, -3.72 mm Hg, and -0.02 mm Hg respectively. Percentage within limits of agreement was 96.0%, 95.2% and 95.7% for systolic, diastolic and MAP. The mountain plot showed similar results as the Bland Altman plots. Conclusion: We conclude CNAP. provides real.time estimates of arterial pressure comparable to IAP during induction of GA for cardiac surgery. We recommend CNAP can be used as an alternative to IAP in situations such as cardiac patients coming for non.cardiac surgeries, cardiac catheterization procedures, positive Allenfs test, inability to cannulate radial artery and vascular diseases, where continuous blood pressure monitoring is required.
- Subjects
NONINVASIVE diagnostic tests; BLOOD pressure measurement; ANESTHESIA; CARDIAC surgery patients; RADIAL artery; SYSTOLIC blood pressure; VASCULAR diseases
- Publication
Indian Journal of Anaesthesia, 2015, Vol 59, Issue 1, p21
- ISSN
0019-5049
- Publication type
Article
- DOI
10.4103/0019-5049.149444