Background. Despite guideline recommendations, rates of concomitant tricuspid valve repair are suboptimal, possibly due to fear of complications. We reviewed morbidity, mortality, recurrent tricuspid regurgitation, and right ventricular remodeling after guideline-directed concomitant tricuspid valve repair.Methods. We performed guideline-directed concomitant tricuspid valve repair on 171 consecutive patients who underwent left-sided valve surgery (degenerative mitral surgery or aortic valve replacement) between May 2012 and March 2016. Exclusion criteria included functional mitral regurgitation, rheumatic disease, active endocarditis, and concomitant coronary artery bypass grafting or complex aortic surgery.Results. Mean age was 68 ± 12 years, and 47% (81 of 171) were women. Preoperative atrial fibrillation was present in 57% (98 of 171), and preoperative tricuspid regurgitation was moderate or higher in 64% (108 of 171). The rate of de novo pacemaker placement was 4.1% (7 of 171), and the 30-day mortality rate was 0.6% (1 of 171).

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LPS exposure, through TLR4 signaling increases lung inflammation and impairs lung alveolar growth in a CCR2-dependent manner.

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