OBJECTIVE The aim of this work was the follow-up and evaluation of valve replacement in children under 12 years of age. METHODS Forty-four children less than 12 years old were underwent valve replacement at INCOR-HCFMUSP between January 1986 and December 1992. Forty (91%) were rheumatic, 39 (88.7%) were in functional classes II or IV, 19 (43.2%) were operated upon on an emergency basis, and 6...

Background The recent data on the vitamin Dshowed a surprising result, which exhibited in high prevalence of vitamin D deficiency and insufficiency in children and adolescence. Thisnot only occurs in country that lies in high latitude but also in sun rich country. Many factors contributing to this condition, including changing in life style. No data available regarding vitamin D status in healt...