Intraoperative effects of an alveolar recruitment manoeuvre in patients undergoing laparoscopic colon surgery.

Introduction: Pulmonary atelectasis is common in patients undergoing laparoscopic abdominal surgery under general anaesthesia, which increases the risk of perioperative respiratory complications. Alveolar recruitment manoeuvres (ARM) are used to open up the lung parenchyma with atelectasis, although the duration of their benefit has not been clearly established. The aim of this study was to determine the effectiveness of an ARM in laparoscopic colon surgery, the duration of response over time, and its haemodynamic impact.

Massive hemorrhage after arterioesophageal fistula from an unknown aberrant subclavian artery.

The aberrant right subclavian artery has an incidence of 0.5%-1% in the population, generally with retroesophageal location. It can lead to the formation of an arterio-esophageal fistula in patients with predisposing risk factors due to devices placed in esophageal or tracheal position, as it is particularly susceptible to extrinsic compression and pressure necrosis.

Postoperative lactate elevation as a marker of underlying acute mesenteric ischemia. Description of two cases.

Serum lactate is a non-specific marker of tissue hypoperfusion. Elevated serum lactate is used in the differential diagnosis of acute intestinal ischemia. Although this practice is controversial, in the absence of other validated markers lactate is still used because of its high sensitivity.

Postoperative lactate elevation as a marker of underlying acute mesenteric ischemia. Description of two cases.

Serum lactate is a non-specific marker of tissue hypoperfusion. Elevated serum lactate is used in the differential diagnosis of acute intestinal ischemia. Although this practice is controversial, in the absence of other validated markers lactate is still used because of its high sensitivity.