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John J. Collins

Researcher at Brigham and Women's Hospital

Publications -  54
Citations -  3447

John J. Collins is an academic researcher from Brigham and Women's Hospital. The author has contributed to research in topics: Aortic valve replacement & Mitral valve. The author has an hindex of 35, co-authored 54 publications receiving 3390 citations. Previous affiliations of John J. Collins include University of Massachusetts Medical School.

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Impact of body mass index and albumin on morbidity and mortality after cardiac surgery.

TL;DR: Preoperative risk stratification with the use of body mass index and serum albumin may help to identify subgroups of patients at high risk for adverse outcomes after cardiac operations.
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Time course of resolution of pulmonary hypertension and right ventricular remodeling after orthotopic cardiac transplantation.

TL;DR: There is rapid resolution of moderately elevated pulmonary arterial pressures after cardiac transplantation, and echocardiographic analysis showed that transplant recipients had an enlarged right ventricle on day 1 after surgery, and a volume overload contraction pattern and tricuspid regurgitation was present in the majority.
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Efficacy and safety of timolol for prevention of supraventricular tachyarrhythmias after coronary artery bypass surgery.

TL;DR: Patients undergoing coronary artery bypass grafting were randomly assigned to receive prophylactic timolol or placebo, given in a double-blind fashion, and both groups were comparable for frequency of preoperative supraventricular arrhythmias, left ventricular ejection fraction, duration of cardiopulmonary bypass, aortic cross-clamp time, number of bypass grafts, and total duration of monitoring.
Journal Article

Aortic valve replacement in the elderly. Effect of gender and coronary artery disease on operative mortality.

TL;DR: Aortic valve replacement carries an acceptable mortality rate in elderly patients and advance stage of the disease process represented by NYHA class IV was a significant predictor of mortality for the whole group, stressing the need for earlier referral for surgery.
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Rapid noninvasive diagnosis and surgical repair of acute ascending aortic dissection. Improved survival with less angiography.

TL;DR: Rapid noninvasive diagnosis of aortic dissection and avoidance of routine angiography appear to improve survival by expediting surgical intervention and thus decreasing the risk of aORTic rupture.