[Perioperative risk among morbid obese patients subjected to gastric bypass].

Background: Bariatric surgery is a complex procedure not exempt of complications.

Aim: To assess mortality and complications of excisional gastric bypass among morbidly obese subjects.

Material And Methods: Prospective analysis of 684 morbid obese patients (age range 14-70 years, 525 females) subjected to an excisional gastric bypass.

[Evolution of resectability and mortality rates of total and subtotal gastrectomy for gastric cancer].

Background: The only curative treatment for gastric cancer is its surgical excision associated to a lymph node dissection.

Aim: To study the evolution of resectability and operative mortality of total and subtotal gastrectomy for gastric cancer, in a period of 35 years.

Material And Methods: Review of medical records of 3000 patients with gastric cancer, operated between 1969 and 2004.