Synonyms and keywords: PERFUSE grade, myocardial perfusion grade, myocardial blush, Associate Editor(s)-in-Chief: Cafer Zorkun, M.D., Ph.D. Technique Quantification of LV Function Quantification of Mitral RegurgitationĮditor-In-Chief: C. Quantitative Coronary Angiography Definitions of Preprocedural Lesion Morphology Irregular Lesion Disease Extent Arterial Foreshortening Infarct Related Artery Restenosis Degenerated SVG Collaterals Aneurysm Bifurcation Trifurcation Ulceration Preprocedural Lesion Morphology Eccentricity Irregularity Ulceration Intimal Flap Aneurysm Sawtooth Pattern Length Ostial location Angulation Proximal tortuosity Degenerated SVG Calcification Total occlusion Coronary Artery Thrombus TIMI Thrombus Grade TIMI Thrombus Grade 0 TIMI Thrombus Grade 1 TIMI Thrombus Grade 2 TIMI Thrombus Grade 3 TIMI Thrombus Grade 4 TIMI Thrombus Grade 5 TIMI Thrombus Grade 6 TIMI Myocardial Perfusion Grade TMP Grade 0 TMP Grade 0.5 TMP Grade 1 TMP Grade 2 TMP Grade 3ĪCC/AHA Lesion-Specific Classification of the Primary Target Stenosis TIMI Flow Grade TIMI Grade 0 Flow TIMI Grade 1 Flow TIMI Grade 2 Flow TIMI Grade 3 Flow TIMI Grade 4 Flow Pulsatile Flow Deceleration Standard Views Left Coronary Artery Right Coronary Artery Separate Ostia Anomalous Origins Case Example Fistula In this post-hoc analysis of ASSENT-4 PCI, TIMI grade 3 flow in the infarct-related artery before PCI, occurring either spontaneously or obtained by fibrinolysis, is associated with a higher TIMI patency after PCI, better improved ST resolution and a trend towards a favourable clinical outcome after 90 days.įacilitated PCI ST-elevation myocardial infarction patency primary percutaneous coronary intervention.Appropriate Use Criteria for RevascularizationĬoronary arteries Dominance Right System Left System Left Main Left Anterior Descending Circumflex Median Ramus The 90-day mortality in patients with TIMI 3 before PCI was identical in the facilitated and the primary PCI groups (14/353, 4.0% vs. The rate of TIMI 3 flow before PCI was higher in the facilitated PCI group than in the primary PCI group (43.9 vs. The incidence of cardiogenic shock (6.2, 5.5, and 3.6%) and 90-day mortality (6.1, 4.7, and 4.0%) were lowest in the group with TIMI 3 patency before PCI, respectively. Complete ST resolution was observed most often in the TIMI 3 flow group (47.5, 53.6, and 58.6%). The rates of TIMI 3 flow after PCI were 84.6, 89.7, and 95.6%, respectively. For this analysis, patients were divided into three groups according to the TIMI flow of the infarct vessel before PCI: TIMI 0/1, TIMI 2, and TIMI 3.įrom a total of 1617 patients, 861 had TIMI 0/1, 279 had TIMI 2, and 477 TIMI 3 flow. Patients with STEMI <6 hours enrolled in the ASSENT-4 PCI study were randomized to facilitated PCI with tenecteplase or primary PCI. The purpose of the present analysis was to investigate whether TIMI 3 flow obtained with fibrinolysis before PCI is associated with a clinical outcome comparable to that in patients with spontaneous TIMI 3 flow. Most likely these patients had spontaneous recanalization of the infarct vessel and might constitute a low-risk subgroup. Previous studies have shown a low mortality in patients with TIMI 3 flow before primary percutaneous coronary intervention (PCI). Early restoration of blood flow of the infarct-related artery is associated with an improved outcome in patients with ST-elevation myocardial infarction (STEMI).
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