Key result
ClearSight finger cuff arterial pressure measurement showed acceptable agreement with direct intra-arterial pressure in elderly TAVR patients, with a systolic blood pressure bias of -4.88 mmHg.
Why the study?
This study aimed to assess the agreement between direct intra-arterial pressure and ClearSight finger cuff arterial pressure measurements in elderly patients undergoing TAVR.
Does ClearSight finger cuff arterial pressure measurement agree with direct intra-arterial pressure in elderly patients undergoing TAVR?
Observational (n=30)
No
Does ClearSight finger cuff arterial pressure measurement agree with direct intra-arterial pressure in elderly patients undergoing TAVR?
Non-invasive ClearSight finger cuff arterial pressure monitoring provides acceptable agreement with direct intra-arterial pressure in elderly patients undergoing TAVR, offering a potential alternative for hemodynamic monitoring.
Answers are grounded in this paper and cite their sources.
ClearSight shows good agreement with intra-arterial BP in TAVR; leaves open non-invasive monitoring as alternative pending larger validation.
OBJECTIVE: This study aimed to assess the agreement between direct intra-arterial pressure and ClearSight finger cuff arterial pressure measurements in elderly patients undergoing transcatheter aortic valve replacement (TAVR). METHODS: A prospective observational study was conducted at Hitachi General Hospital, Japan, involving 30 patients aged 65 years and older who underwent TAVR under general anesthesia. Intra-arterial pressure and finger cuff arterial pressure measurements were recorded for 30 min after valve deployment. Bland-Altman analysis, four-quadrant plot analysis, and error grid analysis were used to assess the concordance between the two methods. Multiple regression analysis was performed to explore potential confounding factors affecting the agreement. RESULTS: The bias and precision of ClearSight measurements were -4.88 ± 15.46 (mmHg) for SBP, 4.73 ± 8.95 (mmHg) for mean, and 9.53 ± 9.01 (mmHg) for DBP. The Bland-Altman analysis demonstrated acceptable agreement between intra-arterial pressure and finger cuff arterial pressure measurements. The four-quadrant plot analysis showed good trend-tracking ability, and the error grid analysis revealed that most of the observed values fell into the no-risk category. The mean BP match ratio and SBP match ratio were influenced by several factors such as age, BSA, ejection fraction, valve size, and gender. CONCLUSION: The ClearSight finger cuff arterial pressure measurement showed good agreement with direct intra-arterial pressure in elderly patients undergoing TAVR. However, factors such as age, BSA, ejection fraction, valve size, and gender may influence the agreement between the two methods.
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Yahagi et al. (2023) conducted an observational in Elderly patients undergoing transcatheter aortic valve replacement (TAVR) (n=30). ClearSight finger cuff arterial pressure measurement vs. Direct intra-arterial pressure measurement was evaluated on Agreement between direct intra-arterial pressure and ClearSight finger cuff arterial pressure measurements (Bias -4.88 ± 15.46 mmHg for SBP, 4.73 ± 8.95 mmHg for mean, and 9.53 ± 9.01 mmHg for DBP). ClearSight finger cuff arterial pressure measurement showed acceptable agreement with direct intra-arterial pressure in elderly TAVR patients, with a systolic blood pressure bias of -4.88 mmHg.
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