Laura A. Rechsteiner, Lukas Weber, Philipp K. Haager, Johannes Rigger, Joannis Chronis, Peter Ammann, Roman Brenner, Martin O. Schmiady, Hans Rickli, Micha T. Maeder
{"title":"The pulmonary artery pulsatility index in patients with severe aortic stenosis undergoing valve replacement","authors":"Laura A. Rechsteiner, Lukas Weber, Philipp K. Haager, Johannes Rigger, Joannis Chronis, Peter Ammann, Roman Brenner, Martin O. Schmiady, Hans Rickli, Micha T. Maeder","doi":"10.1002/ehf2.15378","DOIUrl":null,"url":null,"abstract":"<div>\n \n \n <section>\n \n <h3> Background and aims</h3>\n \n <p>The pulmonary artery pulsatility index (PAPi), that is, the pulmonary artery pulse pressure (PAPP) divided by the mean right atrial pressure (mRAP), is an increasingly used invasive index of right ventricular function. We sought to assess the prognostic impact of the PAPi in unselected patients with aortic stenosis (AS) undergoing aortic valve replacement (AVR).</p>\n </section>\n \n <section>\n \n <h3> Methods</h3>\n \n <p>We studied consecutive patients with severe AS (<i>n</i> = 487, 74 ± 10 years, 58% males) undergoing right heart catheterization prior to AVR with post-AVR follow-up of several years.</p>\n </section>\n \n <section>\n \n <h3> Results</h3>\n \n <p>The mean PAPi was 4.7 ± 3.3, and the mean values in the four PAPi quartiles were 2.1 ± 0.5, 3.2 ± 0.3, 4.5 ± 0.5 and 8.9 ± 4.2. Patients in the lowest PAPi quartile had similar AS severity, symptoms, B-type natriuretic peptide and surgical risk compared with patients in higher quartiles. The lowest PAPi quartile had the lowest PAPP and the highest mRAP and only a slightly reduced stroke volume index (SVI) but the highest pulmonary artery capacitance (PAC). After a median post-AVR follow-up of 45 months mortality did not differ across PAPi quartiles (log rank <i>P</i> = 0.50), which was independent of the AVR mode. However, all contributors of the PAPi equation, that is, higher PAPP, lower PAC (i.e., stroke volume divided by PAPP), lower SVI and higher mRAP were associated with increased mortality.</p>\n </section>\n \n <section>\n \n <h3> Conclusions</h3>\n \n <p>In unselected patients with severe AS, the PAPi did not predict post-AVR mortality. This may be explained by the fact that the low PAPP in those with low PAPi was mainly a reflection of a high PAC rather than a low SVI.</p>\n </section>\n </div>","PeriodicalId":11864,"journal":{"name":"ESC Heart Failure","volume":"12 5","pages":"3483-3493"},"PeriodicalIF":3.7000,"publicationDate":"2025-07-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1002/ehf2.15378","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"ESC Heart Failure","FirstCategoryId":"3","ListUrlMain":"https://onlinelibrary.wiley.com/doi/10.1002/ehf2.15378","RegionNum":2,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q2","JCRName":"CARDIAC & CARDIOVASCULAR SYSTEMS","Score":null,"Total":0}
引用次数: 0
Abstract
Background and aims
The pulmonary artery pulsatility index (PAPi), that is, the pulmonary artery pulse pressure (PAPP) divided by the mean right atrial pressure (mRAP), is an increasingly used invasive index of right ventricular function. We sought to assess the prognostic impact of the PAPi in unselected patients with aortic stenosis (AS) undergoing aortic valve replacement (AVR).
Methods
We studied consecutive patients with severe AS (n = 487, 74 ± 10 years, 58% males) undergoing right heart catheterization prior to AVR with post-AVR follow-up of several years.
Results
The mean PAPi was 4.7 ± 3.3, and the mean values in the four PAPi quartiles were 2.1 ± 0.5, 3.2 ± 0.3, 4.5 ± 0.5 and 8.9 ± 4.2. Patients in the lowest PAPi quartile had similar AS severity, symptoms, B-type natriuretic peptide and surgical risk compared with patients in higher quartiles. The lowest PAPi quartile had the lowest PAPP and the highest mRAP and only a slightly reduced stroke volume index (SVI) but the highest pulmonary artery capacitance (PAC). After a median post-AVR follow-up of 45 months mortality did not differ across PAPi quartiles (log rank P = 0.50), which was independent of the AVR mode. However, all contributors of the PAPi equation, that is, higher PAPP, lower PAC (i.e., stroke volume divided by PAPP), lower SVI and higher mRAP were associated with increased mortality.
Conclusions
In unselected patients with severe AS, the PAPi did not predict post-AVR mortality. This may be explained by the fact that the low PAPP in those with low PAPi was mainly a reflection of a high PAC rather than a low SVI.
期刊介绍:
ESC Heart Failure is the open access journal of the Heart Failure Association of the European Society of Cardiology dedicated to the advancement of knowledge in the field of heart failure. The journal aims to improve the understanding, prevention, investigation and treatment of heart failure. Molecular and cellular biology, pathology, physiology, electrophysiology, pharmacology, as well as the clinical, social and population sciences all form part of the discipline that is heart failure. Accordingly, submission of manuscripts on basic, translational, clinical and population sciences is invited. Original contributions on nursing, care of the elderly, primary care, health economics and other specialist fields related to heart failure are also welcome, as are case reports that highlight interesting aspects of heart failure care and treatment.