[Measurement of the carbon footprint at a regional hospital].

Background: Measuring the carbon footprint (CF) makes it possible to estimate the contribution of clinical activity to global warming.

Aim: To measure the emitter components of CO2 equivalents (CO2e) at the Hospital Base, Puerto Montt (HBPM).

Material And Methods: Descriptive study with data collected retrospectively between January and December 2016 from the HBPM database.

[Renal function during cardiac surgery with extracorporeal circulation].

Background: Patients with valvular heart disease are at high risk of acute renal failure after surgery with extracorporeal circulation.

Aim: To describe changes in renal function parameters during surgery with extracorporeal circulation in patients with valvular heart disease and compare them with those found in patients undergoing elective coronary surgery.

Material And Methods: Two groups of patients were studied.