[Respiratory work and pattern with different proportional assist ventilation levels].

Objective: To study the minimum assistance level during proportional assist ventilation (PAV) to decrease the work of breathing to physiological limits (0.6 j/l) and the relationship between breathing pattern changes and respiratory effort at different PAV levels.

Design: Prospective cohort study.

Post-thrombolysis intracerebral hemorrhage: data from the Spanish Register ARIAM.

Objective: Our objective was to investigate the predisposing factors in patients with acute myocardial infarction (AMI) treated with thrombolysis and complicated by intracranial hemorrhage (ICH), as well as the factors associated with death for patients whose conditions were complicated by ICH.

Design: A retrospective study.

Setting: An intensive care/critical care unit.

Clinical implications of acute myocardial infarction complicated by high grade atrioventricular block.

Background: The purpose of this study was to assess the incidence, clinical course, prognosis and mean length of stay in acute myocardial infarction (AMI) complicated by high-grade atrioventricular block (HAVB).

Material/methods: A retrospective cohort study including all AMI patients listed from January 1995 to September 2000 in the ARIAM multi-center register. Univariate analysis was carried out to study the factors associated with the development of HAVB, the mortality rate, and the mean length of stay, and multivariate logistic regression analysis to study whether HAVB is an independent predictive variable for mortality or prolongation of stay.