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Fractional Flow Reserve

Abstract

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Diagnosis of ischemia-causing coronary stenoses by noninvasive fractional flow reserve computed from coronary computed tomographic angiograms. Results from the prospective multicenter DISCOVER-FLOW Machine Learning Approaches in Cardiovascular Imaging Experimental basis of determining maximum coronary, myocardial, and collateral blood flow by pressure measurements for assessing functional stenosis severity before and after percutaneous transluminal coronary angioplasty Long-term Variations of FFR and iFR After Transcatheter Aortic Valve Implantation Diagnostic performance of noninvasive fractional flow reserve derived from coronary computed tomography angiography in suspected coronary artery disease: the NXT trial (Analysis of Coronary Blood Flow Using CT Angiography: Next Steps) Five-Year Outcomes with PCI Guided by Fractional Flow Reserve Fractional Flow Reserve-Guided Complete Revascularization Improves the Prognosis in Patients With ST-Segment-Elevation Myocardial Infarction and Severe Nonculprit Disease: A DANAMI 3-PRIMULTI Substudy (Primary PCI in Patients With ST-Elevation Myocardial Infarction and Multivessel Disease: Treatment of Culprit Lesion Only or Complete Revascularization) Clinical Significance of Concordance or Discordance Between Fractional Flow Reserve and Coronary Flow Reserve for Coronary Physiological Indices, Microvascular Resistance, and Prognosis After Elective Percutaneous Coronary Intervention

Original ResearchVolume 71, Issue 14, April 2018

JOURNAL:J Am Coll Cardiol. Article Link

Lack of Association Between Heart Failure and Incident Cancer

S Selvaraj, DL Bhatt, B Claggett et al. Keywords: heart failure; incident; cancer; malignancy; tumor

Abstract


BACKGROUND - Several recent studies have suggested an increased cancer risk among patients with heart failure (HF). However, these studies are constrained by limited size and follow-up, lack of comprehensive data on other health attributes, and adjudicated cancer outcomes.

OBJECTIVE - This study sought to determine whether HF is associated with cancer incidence and cancer-specific mortality.

METHODS - The study assembled a cohort from the Physicians’ Health Studies I and II, 2 randomized controlled trials of aspirin and vitamin supplements conducted from 1982 to 1995 and from 1997 to 2011, respectively, that included annual health evaluations and determination of cancer and HF diagnoses. In the primary analysis, the study excluded participants with cancer or HF at baseline and performed multivariable-adjusted Cox models to determine the relationship between HF and cancer, modeling HF as a time-varying exposure. In a complementary analysis, the study used the landmark method and identified cancer-free participants at 70 years of age, distinguishing between those with and without HF, and likewise performed Cox regression. Sensitivity analyses were performed at 65, 75, and 80 years of age.

RESULTS - Among 28,341 Physicians’ Health Study participants, 1,420 developed HF. A total of 7,363 cancers developed during a median follow-up time of 19.9 years (25th to 75th percentile: 11.0 to 26.8 years). HF was not associated with cancer incidence in crude (hazard ratio: 0.92; 95% confidence interval: 0.80 to 1.08) or multivariable-adjusted analysis (hazard ratio: 1.05; 95% confidence interval: 0.86 to 1.29). No association was found between HF and site-specific cancer incidence or cancer-specific mortality after multivariable adjustment. Results were similar when using the landmark method at all landmark ages.

CONCLUSIONS - HF is not associated with an increased risk of cancer among male physicians.