[Employment "survival" among nursing workers at a public hospital]. / "Sobrevivência" no emprego dos trabalhadores de enfermagem em uma instituição hospitalar pública.

This study aimed at estimating the employment "survival" time of nursing workers after their admission to a public hospital as a turnover index. The Life Table method was used in order to calculate the employment survival probability by X years for each one of the categories of workers. The results showed an accentuated turnover of the work force in the studied period. The categories nursing auxiliary and nurse presented low stability in employment while the category nursing technician was more stable.

[Average working life of nurses graduating form the University of Sao Paulo at Ribeirao Preto, USP - Brazil]. / Vida média de labor dos enfermeiros egressos da Escola de Enfermagem de Ribeirão Preto, USP-Brasil.

This study aimed at measuring the average working time in health care of nurses graduating from the University of São Paulo at Ribeirão Preto College of Nursing, Brazil. This research includes 1,112 nurses who graduated from 1957 to 1990. It is a descriptive cross-sectional study. Data were obtained from March, 1992 to February, 1993. Statistical methods for survival data analysis were used. The average time was 18.12 years.

Effect of hyperbaric oxygen on the regeneration of experimental crush injuries of nerves.

Hyperbaric oxygen has been successfully used on treatment of acute ischemic injuries involving soft tissues and chronic injuries. In nerve crush injuries, the mechanisms involved are very similar to those found in ischemic injuries. Consequently, it is logical to hypothesize that hyperbaric oxygen should improve nerve repair, which is a critical step on functional recovery. In the present study, we created standard nerve crush injuries on sciatic nerves of rats, which underwent treatment with hyperbaric oxygen. Results were assessed by functional evaluation using walking-track analysis. The functional recovery indexes observed did not differ from control group. We concluded that hyperbaric oxygen therapy, in the schedule used, had no influence on functional recovery after nerve crush injuries.