[Laparoscopic transumbilical cholecystectomy. Results with the gel device and literature review].

Introduction: The appearance of single transumbilical incision surgery has opened a new era in the minimally invasive approach of cholecystectomy. Specific ports for this technique have made it easier to perform. We report our initial experience, from July 2008 to June 2009 and give an updated bibliographic review.

[Serum PTH levels as a predictive factor of hypocalcaemia after total thyroidectomy].

Introduction: Postoperative parathyroid hormone (PTH) levels as a predictor of hypocalcaemia in patients subjected to total thyroidectomy is analyzed.

Material And Method: Prospective study involving 67 patients who underwent total thyroidectomy due to a benign disease. Serum PTH and ionised calcium were measured 20 h after surgery.