Utility of Cardiac Power Hemodynamic Measurements in the Evaluation and Risk Stratification of Cardiovascular Conditions

Farshadmand, Jonathan; Hai, Ofek; Zeltser, Roman; Makaryus, Amgad N.

doi:10.3390/healthcare10122417

Cited by 2 publications

(2 citation statements)

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“…Thus, a decline in CPI may be associated with decreased CI. The cardiac power index, CPI, refers to the coupling of the cardiovascular system's pressure and ow domains approximated by the cardiac pumping capacity [21][22][23]. In an F.Nisi.…”

Section: Discussionmentioning

confidence: 99%

Assessment of fluid responsiveness using cardiac power index in the prone position: a pilot study

Min

2023

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Background Fluid therapy guidelines tend to be evaluated using indicators representative of preload, and they have yet to be assessed from the standpoint of contractility. We hypothesized that the cardiac power index (CPI) might affect fluid responsiveness in settings where postural change triggers hemodynamic changes. Methods Twenty-eight patients who underwent lumbar spine surgery in the prone position on a jack’s table were enrolled in this study. Hemodynamic variables were measured before and after the position change and after the colloid bolus (5 mg/kg) in the prone position. Fluid responsiveness was defined as an increase in the stroke volume index (SVI) ≥ 10%. Results After a position change, the responder's CPI (mean ± sd) significantly decreased after a change to the prone position (0.45 ± 0.04 W/m2 vs. 0.34 ± 0.02 W/m2, p = 0.024). Cardiac index (CI, mean ± sd) decreased from 2.39 ± 0.15 l/min/m2 to 1.95 ± 0.16 l/min/m2 (p = 0.045). CPI was 0.50 ± 0.04 W/m2 in the non-responders and 0.34 ± 0.02 W/m2 in the responders (p = 0.002) in the prone position. After fluid loading, in the responder, CI increased from 1.95 ± 0.16l/min/m2 to 2.22 ± 0.16l/min/m2 (p = 0.025), and SVI increased from 27.62 ± 2.2 ml/m2 to 34.5 ± 2.06 ml/m2 (p = 0.001). CPI increased from 0.34 ± 0.02 W/m2 to 0.4 ± 0.03 W/m2 (p = 0.045) in the responders. However, CI decreased from 2.5 ± 0.18l/min/m2 to 2.29 ± 0.18 l/min/m2 (p = 0.009), and SVI (mean ± sd) decreased from 31.05 ± 1.78 ml/m2 to 28.55 ± 1.63 ml/m2 (p = 0.004) in the non-responders. CPI decreased from 0.5 ± 0.04W/m2 to 0.42 ± 0.03W/m2 (p = 0.015). The prone's CPI could predict fluid responsiveness under the receiver operating characteristic curve of 0.78 (95% CI, 0.60–0.95; p = 0.025). An optimal cut-off value of CPI in the prone was < 0.43 W/m2 (100% sensitivity and 65% specificity). Conclusion CPI may support and guide fluid management in the prone position. However, more data are required to confirm these findings.

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Section: Discussionmentioning

confidence: 99%

Assessment of fluid responsiveness using cardiac power index in the prone position: a pilot study

Min

2023

Preprint

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“…Zachary Lowy was not included as an author in the original publication [ 1 ]. The corrected Author Contributions statement appears here.…”

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confidence: 99%

Correction: Farshadmand et al. Utility of Cardiac Power Hemodynamic Measurements in the Evaluation and Risk Stratification of Cardiovascular Conditions. Healthcare 2022, 10, 2417

Farshadmand,

Lowy,

Hai

et al. 2023

Healthcare

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Utility of Cardiac Power Hemodynamic Measurements in the Evaluation and Risk Stratification of Cardiovascular Conditions

Cited by 2 publications

References 49 publications

Assessment of fluid responsiveness using cardiac power index in the prone position: a pilot study

Assessment of fluid responsiveness using cardiac power index in the prone position: a pilot study

Correction: Farshadmand et al. Utility of Cardiac Power Hemodynamic Measurements in the Evaluation and Risk Stratification of Cardiovascular Conditions. Healthcare 2022, 10, 2417

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