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At least 73 records · Page 4Linked to original sources
PubMed2002

Integrated analysis of myocardial blush and ST-segment elevation recovery after successful primary angioplasty: Real-time grading of microvascular reperfusion and prediction of early and late recovery of left ventricular function.

BACKGROUND: ST-segment elevation (SigmaSTe) recovery and the angiographic myocardial blush (MB) grade are useful markers of microvascular reperfusion after recanalization of the infarct-related artery. We investigated the ability of a combined analysis of MB grade and SigmaSTe changes to identify different patterns of myocardial reperfusion shortly after primary percutaneous coronary angioplasty (PTCA) and to predict 7-day and 6-month left ventricular (LV) functional recovery. METHODS AND RESULTS: MB grade and SigmaSTe recovery were evaluated shortly after successful primary PTCA (restoration of TIMI grade 3 flow) in 114 consecutive patients with SigmaSTe acute myocardial infarction. LV function was assessed by 2D echocardiograms before PTCA and at 7 days and 6 months thereafter. By combining MB and SigmaSTe changes, 3 main groups of patients were identified. Group 1 patients (n=60) had both significant MB (grade 2 to 3) and SigmaSTe recovery (>50% versus basal SigmaSTe) and a high rate of 7-day (65%) and 6-month (95%) LV functional recovery. In group 2 patients (n=21), who showed MB but persistent SigmaSTe, the prevalence of early LV functional recovery was low (24%) but increased up to 86% in the late phase. Group 3 patients (n=28), who had neither significant MB nor SigmaSTe resolution, had poor early (18%) and late (32%) LV functional recovery. CONCLUSIONS: After successful primary PTCA, integrated analysis of MB and SigmaSTe recovery allows a real-time grading of microvascular reperfusion of the infarct area and predicts the time-course and magnitude of LV functional recovery.

Angioplasty, Balloon, Coronary↗
PubMed2003

Angiographic assessment of reperfusion in acute myocardial infarction by myocardial blush grade.

BACKGROUND: Angiographic successful reperfusion in acute myocardial infarction has been defined as TIMI 3 flow. However, TIMI 3 flow does not always result in effective myocardial reperfusion. Myocardial blush grade (MBG) is an angiographic measure of myocardial perfusion. We hypothesized that optimal angiographic reperfusion is defined by TIMI 3 flow and MBG 2 or 3. METHODS AND RESULTS: In 924 consecutive patients with TIMI 3 flow after angioplasty for acute myocardial infarction, we prospectively studied the value of MBG. End points were death, MACE, enzymatic infarct size, and residual left ventricular ejection fraction. Follow-up was 16+/-11 months. Of the 924 patients, 101 (11%) patients had MBG 0 or 1. Mortality was significantly higher in patients with MBG 0 or 1 compared with patients with MBG 2 or 3 (relative risk, 4.7; 95% CI, 2.3 to 9.5; P<0.001). The combined incidence of MACE was higher in patients with MBG 0 or 1 compared with patients with MBG 2 or 3 (relative risk, 1.8; 95% CI, 1.1 to 2.8; P=0.009). Enzymatic infarct size was larger (1437+/-2388 versus 809+/-1672, P=0.001) and left ventricular ejection fraction was lower (37.7+/-10.6 versus 43.8+/-11.1, P<0.001) in patients with MBG 0 or 1 compared with patients with MBG 2 or 3. CONCLUSIONS: MBG is a strong angiographic predictor of mortality in patients with TIMI 3 flow after primary angioplasty. Enzymatic infarct size is larger and residual left ventricular ejection fraction is lower in patients with MBG 0 or 1 compared with MBG 2 or 3. Angiographic definition of successful reperfusion should include both TIMI 3 flow as well as MBG 2 or 3.

Angioplasty↗
PubMed2006

Effect of preinfarction angina pectoris on myocardial blush grade after reperfusion in first anterior wall acute myocardial infarction.

BACKGROUND: The aim of the present study was to clarify the effect of preinfarction angina pectoris (PIA) on myocardial blush grade (MBG), a simple marker of myocardial tissue-level reperfusion, in acute myocardial infarction (AMI). METHODS AND RESULTS: One hundred forty-two patients with first anterior wall AMI who were admitted within 6 h after onset of symptoms were examined. PIA was defined as typical chest pain within 48 h before onset of symptoms. MBG was evaluated by coronary angiography after reperfusion. Patients with MBG 2 or 3 (n=103) had a higher frequency of PIA and a lower frequency of diabetes mellitus than those with MBG 0 or 1 (n=39) (57% vs 28%, p=0.004, and 23% vs 44%, p=0.03, respectively). The former had a lower peak creatine kinase level and a greater left ventricular ejection fraction at predischarge than the latter (3,652+/-2,440 vs 5,507+/-3,058 IU/L, p=0.0002, and 57+/-12% vs 45+/-11%, p<0.0001, respectively). Multivariate logistic regression analysis showed that PIA (p=0.004) and diabetes mellitus (p=0.03) were independently associated with MBG 2 or 3 after reperfusion. CONCLUSIONS: PIA has beneficial effects on myocardial tissue-level reperfusion evaluated by MBG in first anterior wall AMI.

Acute Disease↗
PubMed1986

Peritrigonal echogenic "blush" on cranial sonography: pathologic correlates.

Cranial sonography in neonates almost always reveals a hyperechoic "blush" just posterior and superior to the ventricular trigones on parasagittal views. This normal increased echogenicity resembles fine brush strokes. It is probably caused by the interface of numerous parallel fibers that are nearly perpendicular to the longitudinal axis of a sonographic beam passing through the anterior fontanelle. The same echogenicity is not seen on sonograms obtained through the posterior fontanelle because with that angulation the long axis of the sonographic beam and the fiber tracts are nearly parallel. Sonographic-pathologic correlation in 28 autopsy cases showed that abnormal, dense, globular, coarse, peritrigonal echogenicity was due to periventricular leukomalacia with hemorrhage. Cases with nonhemorrhagic periventricular leukomalacia or perinatal telencephalic leukoencephalopathy demonstrated the normal peritrigonal hyperechogenicity.

Autopsy↗
PubMed2002

An anomalous left coronary artery originating from the pulmonary artery in a 72-year-old woman: diagnosis by color flow myocardial blush and coronary arteriography.

An anomalous left coronary artery originating from the pulmonary artery (ALCAPA) is a rare congenital coronary abnormality often associated with myocardial infarction, congestive heart failure and sudden death. Survival to adulthood in individuals with this coronary anomaly is quite uncommon. Since mortality approaches 90% in infancy with untreated ALCAPA, early recognition and surgical correction are essential. Using both echocardiographic myocardial blush and coronary arteriography, we describe the new diagnosis of uncorrected ALCAPA in a 72-year-old woman and review contemporary methods for the diagnosis and management of this particular coronary anomaly.

Aged↗
PubMedDate not supplied

Erroneous sonographic identification of fetal lateral ventricles: relationship to the echogenic periventricular "blush".

We show, through correlation of fetal, neonatal, and necropsy brain sonography, that the three-parallel-echogenic-line configuration classically thought to represent fetal lateral ventricular margins on high axial images are actually extraventricular, lying within cerebral white matter. Accurate sonographic identification of fetal hydrocephalus is essential for appropriate patient management. Both qualitative and quantitative methods of determining ventriculomegaly have been described. The latter require identification of lateral ventricular walls for subsequent ventricular mensuration and comparison with hemispheric width. The parallel-line configuration, thought to represent ventricular margins, has been used for such measurements. We have--through careful fetal, neonatal, and necropsy specimen scanning in several planes--determined that the presumed ventricular wall echoes are actually extraventricular, arising from fibers within the cerebral white matter aligned perpendicular to the sonographic beam. This is identical to the etiology of the normal echogenic periventricular "blush" described in the neonate. Since these parallel echogenic lines do not represent actual ventricular margins, they should not be relied upon for the diagnosis of ventriculomegaly.

Cerebral Ventricles↗
PubMed2006

The outcome of ganglion clipping in hyperhidrosis and blushing.

A total of 114 patients with various sympathetic disorders underwent endoscopic sympathetic block over different thoracic ganglions by the clipping method. The advantages of this method include the recognition of the clipped level, changeability, and reversibility. However, 4.4% of patients were unilaterally clipped at the wrong level.

Adult↗