AI Article Synopsis
- The study aimed to evaluate the agreement and interchangeability between distal radial arterial (dRA) and forearm radial arterial (RA) blood pressures during general anesthesia for spinal surgery.
- Researchers conducted a prospective observational study on 40 patients, measuring invasive blood pressures at both sites during specific time intervals after surgery began.
- Results showed strong agreement between dRA and RA pressures across systolic, diastolic, and mean arterial pressures, suggesting that the dRA can be a reliable alternative for monitoring blood pressure in these patients.
Article Abstract
Objective: To test agreement and interchangeability between distal (dRA) and forearm radial arterial (RA) pressures (AP) during general anesthesia (GA) for prone spinal surgery.
Methods: This prospective observational study involved 40 patients scheduled for GA spinal surgery. The right dRA and left forearm RA were cannulated in all patients to continuously measure invasive blood pressures (IBP). We compared the agreement and trending ability of systolic AP (SAP), diastolic AP (DAP), and mean AP (MAP) at each site 15 minutes after tracheal intubation, start of surgery, 30 and 60 minutes after the start of surgery, and after skin suturing.
Results: Paired BP values (n = 184) (37 cases) were analyzed. The bias (standard deviation), limits of agreement, and percentage error were: SAP: 0.19 (3.03), -5.75 to 6.12, and 5.04%; DAP: -0.06 (1.75), -3.50 to 3.38, and 5.10%; and MAP: 0.08 (1.52), -2.90 to 3.05, and 3.54%, respectively. The linear regression coefficients of determination were 0.981, 0.982, and 0.988 for SAPs, DAPs, and MAPs, respectively; four-quadrant plot concordance rates were 95.11%, 92.03%, and 92.66%, respectively.
Conclusion: All arterial BPs showed good agreement and trending capabilities for both the dRA and RA. The dRA may be substituted for the RA in IBP monitoring.
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Source |
|---|---|
| http://www.ncbi.nlm.nih.gov/pmc/articles/PMC10469259 | PMC |
| http://dx.doi.org/10.1177/03000605231188285 | DOI Listing |
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