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- W2890566460 abstract "Introduction The pulmonary artery pulsatility index (PAPi) is an emerging hemodynamic marker correlated with severe post-LVAD RVF in single-center cohort studies. We set out to examine if this is generalizable in a multi-institutional analysis. Hypothesis The preoperative PAPi correlates with RVF as defined by new INTERMACS criteria (INTERMACS-RVF), severe RVF, and death at 1-year. Methods We performed a dual-center retrospective study of 404 patients from Ohio and New York who received a continuous-flow durable LVAD and had a pre-operative PAPi measurement. The PAPi was defined as: [(PA systolic - PA diastolic) ÷ RA pressure]. Severe RVF was defined as meeting criteria for clinical RVF and having inotropes > 14 days after implant, inotropes re-started 14 days after implant, RVAD placement during implant admission, and death from RVF during implant admission. A multivariate analysis of predictors of post-LVAD severe RVF was conducted. A survival analysis was performed to examine pre-operative PAPi as a predictor of 1-year mortality. Results In our cohort of 404 patients, 84 (21%) had severe RVF. Multivariable logistic regression for severe RVF (controlling for age, INTERMACS level, creatinine, and gender) showed that creatinine > 1.5 (OR 2.24, p=0.002, 95% CI [1.43-4.42]) and total bilirubin > 2.5 (OR 2.87, p=0.004, 95% CI [1.39-5.93]) significantly increased the odds of severe RVF, and a PAPi Figure 1 ) and INTERMACS-RVF (c-statistic=0.63) were similar. With respect to survival, the final multivariable model (controlling for age, gender, and ethnicity) showed a PAPi Conclusion PAPi" @default.
- W2890566460 created "2018-09-27" @default.
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- W2890566460 date "2018-08-01" @default.
- W2890566460 modified "2023-09-23" @default.
- W2890566460 title "A Multi-Institutional Retrospective Cohort Study of the Pulmonary Artery Pulsatility Index's Ability to Predict post-LVAD Implant Right Ventricular Failure and 1-Year Mortality" @default.
- W2890566460 doi "https://doi.org/10.1016/j.cardfail.2018.07.457" @default.
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