Oswaldo L.V. Costa

  • Citations Per Year
Learn More
The p53 protein is known for performing essential functions in the maintenance of genomic stability in somatic cells and prevention of tumor formation. Studies of the p53 signaling pathway have suggested associations between some polymorphisms and infertility, post-in vitro fertilization implantation failure and recurrent abortions. The TP53 Pro72Arg(More)
Septic complications were prospectively studied in 586 consecutive adult patients operated for acute abdominal conditions. The purpose was to identify the postoperative infectious problems and to correlate such findings with diagnostic syndrome and with mortality. The investigation was performed in the period of January 1981 to October 1986 and a specific(More)
We consider the multi-period mean variance stochastic optimal control problem of discrete-time Markov jump with multiplicative noise linear systems. First, we consider the performance criterion to be a linear combination of the final variance and expected value of the output of the system. We analytically derive an optimal control policy for this problem.(More)
The indications for colostomies in traumatic lesions of the colon were prospectively analysed in the light of the anatomical and functional impairment, the time that elapsed after the injury and additional risk factors. In the period between January 1981 and June 1986 75 patients were operated for colonic trauma: 39 had gunshot wounds, 29 suffered stab(More)
Multiple factors connected with the trauma itself or with its therapy may cause post-operative complications in injured patients. In a previous study we have reported on a higher mortality rate in patients that received large quantities of blood. The present report concerns 223 cases of trauma by penetrating and non-penetrating injuries in which the(More)
  • 1