High-intensity interval training in high-school physical education classes: Study protocol for a randomized controlled trial.

Background: School and Physical Education classes (PEC) are privileged spaces, promoters of positive changes for the rest of life. High-Intensity Interval Training (HIIT) is presented as a time-efficient alternative to aerobic training, as it leverages the number of exercise participants, resulting in improvements in health outcomes. Despite the widespread interest in the advantages that the HIIT methodology reveals, there is a lack of randomized controlled studies investigating the impact on adolescents, mainly adressing adolescents' environment, such as schools.

[Side branch occlusion during direct stent implantation. Incidence and related factors].

Aim: The aim of the study was to evaluate the compromise of side branches when jailed by a coronary stent implanted without balloon predilation.

Patients And Methods: 56 patients in which at least a coronary stent was implanted without balloon predilation and covering a side brach (58 stents, 1.04 +/- 0.