https://www.selleckchem.com/products/amg-232.html Procedural success was as high as 94% and more than 90% of cases were treated without any complication. The most common complication during PCI with RA was vessel dissection (8.8%) and no procedural death occurred. None of the clinical nor procedural characteristics were associated with burr entrapment or vascular access hematoma. We identified as independent predictor of treated vessel dissection the female sex (OR 16.9, 95% CI 1.55-183.77, p less then 0.05). Logistic regression revealed age (OR 1.17, 95% CI 1.02-1.33, p less then 0.02) as the only independent predictor of MACE. We therefore calculated the ROC curve on age in predicting MACE, that showed a C-statistics of 0.75 (95% CI 0.628 to 0.852, p=0.02), with 80 years old as the best threshold in defining high risk population. CONCLUSIONS RA is a feasible and safe procedure. Females and elderly patients must be carefully selected in order to balance the risk/benefit ratio in these high-risk populations.BACKGROUND A blunted heart rate reserve (HRR) during dipyridamole stress echocardiography (DSE) is a prognostically unfavorable sign of cardiac autonomic dysfunction. Short-term adjustments of heart rate (HR) are thought to rise from changes in neural input to the heart. DSE is applied in potential heart donors to rule out underlying coronary artery disease and left ventricular dysfunction. AIM to assess HRR during DSE in brain death. METHODS We enrolled 2 Groups Group 1 (n=49, 22 men, 54.6±8.8 years) with patients in brain death enrolled in the nationwide marginal donor heart recruiting program; Group 2 (n=49, 18 men, 66.4±12.0 years) referred to DSE for suspected or known coronary artery disease. All underwent DSE (0.84 mg/kg in 6') by quality-controlled readers certified via web-based training (1487/CE Lazio-1). We assessed left ventricular contractile reserve (LVCR) as stress/rest ratio of force (systolic blood pressure /end-systolic volume). HRR was calculat