Risk Increasing prevalence 1976 (lowest) vs. 2012, 1010 vs. 41,880 cases (14 deaths in infants aged <12 mo). Substantial morbidity and mortality in USA children despite high childhood vaccination rates. Incidence highest for infants <1 y of age (23% of all…
Risk Mitral regurgitation affects more than 2 million people in USA. Incidence of moderate/severe mitral regurgitation: Nearly 20% for age >55 y. Mitral valve prolapse is the primary form of myxomatous degeneration of the valve. Mitral valve prolapse is the…
Overview Since the 1960s, the use of intermittent positive-pressure ventilation (IPPV) has become widespread during surgical and diagnostic procedures that require anesthesia. Today’s observer might wrongly conclude that the research, development, and methods for mechanical ventilation in the operating room…