Flow limiting lesions
WebOct 14, 2024 · The relationship between plaques with high lipid content, large plaque burden, and small lumen areas and patient-level and lesion-level events were tested hierarchically. “In PROSPECT II, lipid-rich plaques, as detected by NIRS, identified angiographically mild non-flow limiting lesions responsible for future coronary events,” … WebMay 1, 2010 · A flow-limiting stenosis is the major determinant of exercise-induced myocardial stunning in patients with coronary artery disease. ... Similar to FFR measurements, anatomical assessment of luminal diameter narrowing of the LAD lesion also detected the development of myocardial stunning. However, the sensitivity and …
Flow limiting lesions
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WebOct 18, 2024 · Radiomics features of lesion-based PCAT were extracted. The lesion-specific CT-FFR values, CCTA-derived diameter stenosis, lesion length, and PCAT attenuation were also measured. FFR values were used as the reference standard to assess the diagnostic performance of radiomics model, CT-FFR, and combined model for … WebJan 5, 2011 · single- or multi-vessel CAD with flow-limiting lesions; no indications for coronary artery bypass surgery (CABG) stable angina with indications for percutaneous coronary interventions (PCI) NYHA (New York Heart Association) I-III functional class of heart failure (HF) treated hypertension (in supine position: systole >140 mm Hg, diastole …
WebAug 29, 2012 · Flow-limiting lesions were also the target of the CTA+CTP tests in CORE320, so comparison of the two approaches is natural, but Min expects FFR CT and CTA+CTP to emerge as complementary rather ... WebChronic flow-limiting lesions are most commonly associated with exercise-induced limb pain (intermittent claudication). The metabolic demands of exercising muscle require at least a 5-fold increase in limb blood flow volume compared to the resting state.
WebSep 23, 2024 · Historically, angiographically severe coronary artery stenoses that are flow-limiting (haemodynamically obstructive) were considered to be the primary culprit lesions responsible for chronic ... WebSep 24, 2024 · Dynamic CT MPI was able to help discriminate flow-limiting lesions from non–flow-limiting lesions with high sensitivity (96% [72 of 75]) and specificity (93% [76 of 82]). Considering this finding, dynamic CT MPI is able to accurately depict ischemic coronary stenosis and therefore to potentially optimize the downstream treatment …
WebFeb 28, 2024 · Identification of Risk Factors for Acute Coronary Events by OCT After STEMI and NSTEMI in Patients With Residual Non-flow Limiting Lesions (PECTUS-obs) The …
WebA flow-limiting coronary stenosis was defined as a lesion with a diameter narrowing exceeding 50% (on CTA or on QCA) inducing a reversible perfusion defect in its subtending myocardial territory on MPI (myocardial ischaemia) (Figure 1). A coronary stenosis of ≥50% without any associated myocardial ischaemia was considered to be non-flow-limiting. darth logosdarth lynnWebMar 9, 2024 · In non-flow limiting lesions with a vulnerable phenotype, QFR may provide additional prognostic information beyond plaque morphology for … darth list star warsWebAug 23, 2024 · Perivascular FAI was significantly higher for flow-limiting lesions than for non-flow-limiting lesions. The combined use of FAI, TPV, and DS could predict ischemic coronary stenosis with high diagnostic accuracy. Key Points • Perivascular FAI was significantly higher for flow-limiting lesions than for non-flow-limiting lesions. darth macdonaldWebSep 1, 2024 · Objectives . To assess the safety and efficacy of pre-emptive treatment of optical coherence tomography- (OCT-) derived vulnerable, non-flow-limiting, non-culprit lesions in patients with myocardial infarction (MI). Background . Intracoronary imaging with OCT can aid in the decision to treat non-flow-limiting lesions by identifying vulnerable … darth low bridgeWebDec 18, 2015 · The diagnosis of acute coronary syndrome was suspected, but further coronary angiography demonstrated no flow-limiting lesions in coronary arteries, and temporary pacemaker was implanted. After admission, low SpO 2 and elevated D-dimer level was mentioned. Further computed tomography pulmonary angiography revealed … darth maguireWebFeb 28, 2024 · Targeting myocardial revascularization on flow-limiting stenoses has been widely accepted for management of patients with coronary artery disease, in keeping with practice guideline recommendations. 1, 2, 3 Notwithstanding the demonstrated benefits of revascularization guided by physiological assessment, a subset of non–flow-limiting … darth lord names