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Journal and News Scan
This 5-year follow-up of the first tissue engineered airway using decellularized human trachea demonstrated that the graft became well vascularized, had normal ciliary function and mucous clearance, and maintained a normal diameter. no anti-donor antibodies developed. The graft replaced the left main bronchus that was affected by tracheomalacia. The proximal anastomosis developed stenosis requiring stenting.
The FDA approved the CoreValve TAVI device for use in the US. The approval was originally expected to occur in April 2014, but the panel decided that an independent review of data from the clinical study of extreme-risk patients in the CoreValve US Pivotal Trial was not needed at this time.
The authors studied over 5,700 pts undergoing CABG to assess the dynamics of changes in renal function and related such changes to mortality. Perioperative renal dysfunction was associated with increased long-term mortality. Recovery from renal dysfunction was associated with some improvement in long-term mortality risk. Alternative methods of classifying renal dysfunction may be more useful than creatinine in assessing long-term risk.
The authors compared outcomes for VATS lobectomy by experienced VATS surgeons to those for robotic lobectomies performed by the same surgeons who were learning robotic surgery. 69 pts were evenly divided between the approaches. Other than longer time required for robotic upper lobectomy, there were no differences between the groups in OR time, LOS, nodal harvest, morbidity, or mortality.
The use of mechanical circulatory support (MCS) for pediatric patients undergoing heart surgery was analyzed. Of over 96,000 operations, 2.4% were associated with MCS use. MCS use was associated with younger patients, a greater number of preoperative risk factors, and certain operations (Norwood, complex biventricular repair). Mortality associated with MCS was over 50%. MCS rates differed substantially across participating institutions.
37 pairs of matched patients were analyzed for short-term postoperative outcomes. Neurologic complications and pacemaker implant rates were similiar between the groups. Paravalvular leak rate was higher in the TAVI group (13.5% vs 0%). Survival at a mean f/u of 19 mos was better in the sutureless valve group (97% vs 87%). Better survival was associated with the absence of a paravalvular leak.