Updated February 24, 2017. The mean or average birth weight in the United States is about 3,389g or 7 lb, 7.5 oz. However, any birth weight of a term newborn between 5 lbs, 8 oz and 8 lbs, 13 oz is considered to be normal. Baby Birth Weight Statistics.
Development of coronary stents. WALLSTENTÂ® (Schneider AG), a self-expanding, stainless steel wire-mesh structure, was the first coronary stent implanted in a human coronary artery by Sigwart et al. in 1986.
Heart and Lung Transplant Overview. A pioneering heart surgeon, Dr Christiaan Barnard, performed the first successful human-to-human heart transplant operation in 1967 in Cape Town, South Africa.Unfortunately, early operations resulted in problems such as infection and rejection, and heart recipients did not survive very long.eart and Lung Transplant Overview. A pioneering heart surgeon, Dr Christiaan Barnard, performed the first successful human-to-human heart transplant operation in 1967 in Cape Town, South Africa.