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Articles by L Mauri
Total Records ( 4 ) for L Mauri
  J Schofer , T Siminiak , M Haude , J. P Herrman , J Vainer , J. C Wu , W. C Levy , L Mauri , T Feldman , R. Y Kwong , D. M Kaye , S. J Duffy , T Tubler , H Degen , M. C Brandt , R Van Bibber , S Goldberg , D. G Reuter and U. C. Hoppe

Background— Functional mitral regurgitation (FMR), a well-recognized component of left ventricular remodeling, is associated with increased morbidity and mortality in heart failure patients. Percutaneous mitral annuloplasty has the potential to serve as a therapeutic adjunct to standard medical care.

Methods and Results— Patients with dilated cardiomyopathy, moderate to severe FMR, an ejection fraction <40%, and a 6-minute walk distance between 150 and 450 m were enrolled in the CARILLON Mitral Annuloplasty Device European Union Study (AMADEUS). Percutaneous mitral annuloplasty was achieved through the coronary sinus with the CARILLON Mitral Contour System. Echocardiographic FMR grade, exercise tolerance, New York Heart Association class, and quality of life were assessed at baseline and 1 and 6 months. Of the 48 patients enrolled in the trial, 30 received the CARILLON device. Eighteen patients did not receive a device because of access issues, insufficient acute FMR reduction, or coronary artery compromise. The major adverse event rate was 13% at 30 days. At 6 months, the degree of FMR reduction among 5 different quantitative echocardiographic measures ranged from 22% to 32%. Six-minute walk distance improved from 307±87 m at baseline to 403±137 m at 6 months (P<0.001). Quality of life, measured by the Kansas City Cardiomyopathy Questionnaire, improved from 47±16 points at baseline to 69±15 points at 6 months (P<0.001).

Conclusions— Percutaneous reduction in FMR with a novel coronary sinus–based mitral annuloplasty device is feasible in patients with heart failure, is associated with a low rate of major adverse events, and is associated with improvement in quality of life and exercise tolerance.

  J. J Popma , L Mauri , C O`Shaughnessy , P Overlie , B McLaurin , A Almonacid , A Kirtane and M. B. Leon

Background— Myocardial infarction (MI) after drug-eluting stent placement has been associated with an unfavorable late prognosis. Although the etiology of periprocedural MI is multifactorial, sidebranch occlusion may be an important contributing factor. We sought to identify the incidence of sidebranch occlusion during zotarolimus-eluting stent (ZES) and paclitaxel-eluting stent (PES) placement and to relate sidebranch occlusion to the occurrence of periprocedural MI.

Methods and Results— Angiograms were reviewed from patients randomly assigned to treatment with a ZES (597 patients; 943 sidebranches) or a PES (619 patients; 977 sidebranches). Sidebranch occlusion was defined as Thrombolysis in Myocardial Infarction flow grade 0 or 1. Sidebranch occlusion was correlated with frequency of MI, as assessed by the creatine phosphokinase MB isoenzyme. Sidebranch occlusion occurred less often after the first stent deployment in patients treated with ZES (2.2%) than in patients treated with PES (4.0%; P=0.032). A similar reduction in the frequency of sidebranch occlusion at any point during the procedure was found in patients treated with ZES (2.9% versus 4.8% in PES patients; P=0.042). Multivariable predictors of sidebranch occlusion included baseline sidebranch stenosis, complex lesion morphology, smaller baseline minimal lumen diameters, and the use of a PES. Of the 20 patients with MI within 30 days of the procedure, 30% had evidence of sidebranch occlusion during the stent procedure.

Conclusions— Patients treated with ZES were less likely to develop sidebranch occlusion during stent placement than patients treated with PES. Less frequent sidebranch occlusion with ZES may have contributed to the lower frequency rates of periprocedural MI in this study.

  J. M Stolker , K. F Kennedy , J. B Lindsey , S. P Marso , M. J Pencina , D. E Cutlip , L Mauri , N. S Kleiman , D. J Cohen and on behalf of the EVENT Investigators

Prediction of restenosis after percutaneous coronary intervention (PCI) remains challenging, and existing risk assessment algorithms were developed before the widespread adoption of drug-eluting stents (DES).

Methods and Results—

We used data from the EVENT registry to develop a risk model for predicting target lesion revascularization (TLR) in 8829 unselected patients undergoing DES implantation between 2004 and 2007. Using a split-sample validation technique, predictors of TLR at 1 year were identified from two thirds of the subjects (derivation cohort) using multiple logistic regression. Integer point values were created for each predictor, and the summed risk score (range, 0 to 10) was applied to the remaining sample (validation cohort). At 1 year, TLR occurred in 4.2% of patients, and after excluding stent thrombosis and early mechanical complications, the incidence of late TLR (more likely representing restenosis-related TLR) was 3.6%. Predictors of TLR were age <60, prior PCI, unprotected left main PCI, saphenous vein graft PCI, minimum stent diameter ≤2.5 mm, and total stent length ≥40 mm. Comparison of observed versus predicted rates of TLR according to risk score demonstrated good model fit in the validation set. There was more than a 3-fold difference in TLR rates between the lowest risk category (score=0; TLR rate, 2.2%) and the highest risk category (score ≥5; TLR rate, 7.5%).


The overall incidence of TLR remains low among unselected patients receiving DES in routine clinical practice. A simple risk model incorporating 6 readily available clinical and angiographic variables helps identify individuals at extremely low (<2%) and modestly increased (>7%) risk of TLR after DES implantation.

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