Rafael Vara-Thorbeck

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Convalescence after surgery is characterized by a period of fatigue (POF). If we assume that the POF syndrome has a multifactorial etiology, it is clear that the aim of therapeutic measures should be to reduce the response to surgical stress. The purpose of the present study was to determine if administering exogenous human growth hormone (hGH) can prevent(More)
We selected 38 patients scheduled for cholecystectomy and studied their serum concentrations of dehydroepiandrosterone (DHEA) and growth axis hormones [growth hormone/insulin-like growth factor-1 (GH/IGF-1)]. We aimed to determine whether alterations in these concentrations resulted from surgical stress or, on the contrary, preceded surgery and were(More)
Osteoblastoma of the spine is a rare but important cause of back pain and the sciatica syndrome in young adults. Osteoblastoma of the skull is rare and the involvement of the orbital roof is very unusual. Clinical complaints and physical examination are not specific enough to provide a lead to the diagnosis. Bone scans and computerized tomography scans(More)
A dynamic head injury produced by an unconstrained head impact was induced in 30 dogs, out of a total of 45; 15 constituted the control group. Where the energy absorbed by the dog's head is of 59,95 Joules primary brain damage is produced. If the energy absorbed is of 340.31 Joules a severe brain swelling with increase in ICP takes place, leading to the(More)
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