International journal of cardiology
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Three-dimensional contrast-enhanced MR pulmonary angiography (MRPA) is a suitable option for pulmonary embolism (PE) detection. However, there have been few reports on the diagnostic accuracy of MRPA for PE detection in a 3-T MR system. The purpose of this study was to evaluate the accuracy of MRPA in a 3-T MR system to detect acute PE with multidetector CT pulmonary angiography (CTPA) as reference standard. ⋯ Three-dimensional contrast-enhanced MRPA with a 3-T MR system is a suitable alternative modality to CTPA to detect PE on a per-patient basis based on this small cohort study.
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Renal dysfunction has been proposed for the risk factor for stroke and bleeding in atrial fibrillation (AF). The impact of changes in renal dysfunction over time and the relationship to stroke and bleeding risk in these patients remain unknown. We investigated sequential change in renal function (estimated glomerular filtration rate, eGFR) and the risk for clinical events (ischaemic stroke, death and major bleeding) over time in a cohort of 617 AF patients followed up for 2 years. ⋯ In patients with AF, an absolute decrease in eGFR ≥15 ml/min/1.73 m(2) on Cockcroft-Gault and CKD-EPI, and ≥25 ml/min/1.73 m(2) on MDRD, or a relative reduction (≥25%) in eGFR, independently predicted the risk for the endpoints 'stroke or death', 'death' or (at 6 months) ischaemic stroke. Deteriorating renal function increases the risk of death in AF patients.
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Comparative Study
Six-minute walk test distance and resting oxygen saturations but not functional class predict outcome in adult patients with Eisenmenger syndrome.
Eisenmenger syndrome (ES) represents the extreme manifestation of pulmonary arterial hypertension in patients with congenital heart disease, associated with significant exercise intolerance and mortality. Even though of six-minute-walk-test (6MWT) is routinely used in these patients, little is known about its prognostic value in comparison to functional class. ⋯ The 6MWD and resting SO2, but not functional class were predictive of outcome in this contemporary cohort of Eisenmenger patients and should be incorporated in both risk stratification and management algorithms for these patients.