Rest and exercise-stress estimated pulmonary capillary wedge pressure using real-time free-breathing cardiovascular magnetic resonance imaging
Journal of Cardiovascular Magnetic Resonance, ISSN: 1097-6647, Vol: 26, Issue: 1, Page: 101032
2024
- 2Citations
- 9Captures
- 1Mentions
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Metrics Details
- Citations2
- Citation Indexes2
- CrossRef2
- Captures9
- Readers9
- Mentions1
- News Mentions1
- News1
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New Cardiology Study Findings Have Been Reported from Bad Nauheim (Rest and exercise-stress estimated pulmonary capillary wedge pressure using real-time free-breathing cardiovascular magnetic resonance imaging)
2024 OCT 03 (NewsRx) -- By a News Reporter-Staff News Editor at NewsRx Cardiovascular Daily -- A new study on cardiology is now available. According
Article Description
Identification of increased pulmonary capillary wedge pressure (PCWP) by right heart catheterization (RHC) is the reference standard for the diagnosis of heart failure with preserved ejection fraction (HFpEF). Recently, cardiovascular magnetic resonance (CMR) imaging estimation of PCWP at rest was introduced as a non-invasive alternative. Since many patients are only identified during physiological exercise-stress, we hypothesized that novel exercise-stress CMR-derived PCWP emerges superior compared to its assessment at rest. The HFpEF-Stress Trial prospectively recruited 75 patients with exertional dyspnea and diastolic dysfunction who then underwent rest and exercise-stress RHC and CMR. HFpEF was defined according to PCWP (overt HFpEF ≥15 mmHg at rest, masked HFpEF ≥25 mmHg during exercise-stress). CMR-derived PCWP was calculated based on previously published formula using left ventricular mass and either biplane left atrial volume (LAV) or monoplane left atrial area (LAA). LAV (rest/stress: r = 0.50/r = 0.55, p < 0.001) and LAA PCWP (rest/stress: r = 0.50/r = 0.48, p < 0.001) correlated significantly with RHC-derived PCWP while numerically overestimating PCWP at rest and underestimating PCWP during exercise-stress. LAV and LAA PCWP showed good diagnostic accuracy to detect HFpEF (area under the receiver operating characteristic curve (AUC) LAV rest 0.73, stress 0.81; LAA rest 0.72, stress 0.77) with incremental diagnostic value for the detection of masked HFpEF using exercise-stress (AUC LAV rest 0.54 vs stress 0.67, p = 0.019, LAA rest 0.52 vs stress 0.66, p = 0.012). LAV but not LAA PCWP during exercise-stress was a predictor for 24 months hospitalization independent of a medical history for atrial fibrillation (hazard ratio (HR) 1.26, 95% confidence interval 1.02–1.55, p = 0.032). Non-invasive PCWP correlates well with the invasive reference at rest and during exercise stress. There is overall good diagnostic accuracy for HFpEF assessment using CMR-derived estimated PCWP despite deviations in absolute agreement. Non-invasive exercise derived PCWP may particularly facilitate detection of masked HFpEF in the future.
Bibliographic Details
http://www.sciencedirect.com/science/article/pii/S1097664724010238; http://dx.doi.org/10.1016/j.jocmr.2024.101032; http://www.scopus.com/inward/record.url?partnerID=HzOxMe3b&scp=85187577573&origin=inward; https://clinicaltrials.gov/ct2/show/NCT03260621; http://www.ncbi.nlm.nih.gov/pubmed/38431079; https://linkinghub.elsevier.com/retrieve/pii/S1097664724010238; https://dx.doi.org/10.1016/j.jocmr.2024.101032
Elsevier BV
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