Propensity matching adjusted for
differences in recipient and donor characteristics. Graft survival was assessed with Kaplan-Meier analysis. Cox proportional hazards regression determined predictors of graft survival.
Results: Pretransplant characteristics differed between sensitized patients who had a substantial decline in panel reactive antibody activity selleck products and those who did not. Propensity matching compensated for these differences. Kaplan-Meier survival analysis of matched groups showed that the median graft survival was 120 months in patients with a significant panel reactive antibody reduction and 103 months in patients with a trivial reduction (P=.007, log-rank). In Cox proportional hazards modeling, a significant reduction in panel reactive antibody activity had an independent protective effect on graft survival (hazard ratio, 0.88; confidence interval, 0.80-0.96; P=.006).
Conclusions: Sensitized patients who had a substantial reduction in panel reactive antibody activity had an associated decline in the incidence of graft failure
compared with those without a panel reactive antibody activity reduction. These results support efforts to reduce panel reactive antibody activity before orthotopic heart transplantation in patients with high panel reactive antibody activity. (J Thorac Cardiovasc Surg 2013;145:555-65)”
“To study defensive mobilization elicited by the exposure to interoceptive arousal sensations, we exposed highly anxiety sensitive students to a symptom provocation task. Symptom Etomoxir reports, autonomic arousal, and the startle
eyeblink response were monitored during guided hyperventilation and a recovery period in 26 highly anxiety sensitive persons and 22 controls. Normoventilation was used as a non-provocative comparison condition. Hyperventilation led to autonomic arousal and a marked increase in somatic symptoms. While high and low anxiety sensitive persons did not differ in their defensive activation during hyperventilation, Smoothened group differences were detected during early recovery. Highly anxiety sensitive students exhibited a potentiation of startle response magnitudes and increased autonomic arousal after hyper- as compared to after normoventilation, indicating defensive mobilization evoked by the prolonged presence of feared somatic sensations.”
“Objectives: Orthotopic heart transplantation is the standard of care for end-stage heart disease. Left ventricular assist device implantation offers an alternative treatment approach. Left ventricular assist device practice has changed dramatically since the 2008 Food and Drug Administration approval of the HeartMate II (Thoratec, Pleasanton, Calif), but at what societal cost? The present study examined the cost and efficacy of both treatments over time.