Surgical tracheotomy.

In spite of the ever-increasing hyper-specialization of gastro-intestinal surgeons, some surgical emergency procedures, such as tracheotomy, need to be mastered. The need for tracheotomy is sometimes so urgent that one cannot wait for a specialized surgeon to arrive or to transport the patient elsewhere. Even though percutaneous tracheotomy, as performed by intensive care physicians, represents an alternative to surgical tracheotomy, it is not always possible.

Quality of life among caregivers of individuals with affective disorders.

Objective: The aims of this study were as follows: 1. to assess the quality of life (QoL) of caregivers of individuals with affective disorders (major depressive disorder and bipolar disorder); 2. to compare QoL levels with those observed in caregivers of individuals with schizophrenia and in the general population; 3.

Activation of arylamines to mutagenic product(s) by two in vitro plant systems.

Plant activation of three isomers of phenylenediamine o- m- and p-phenylenediamine, has been studied. Two in vitro plant systems have been used: Persea americana S117 with mixed-function oxidase (MFO) and peroxidase activities, and Zea mays S9 which contains only peroxidase activity. As genetic endpoint, the classical Salmonella tester strains.