Gilbert Lavallee

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Twenty-two adult patients, aged 18 and over, with Ewing's sarcoma of bone, were evaluated clinically and radiographically. They had clinical findings similar to younger patients with Ewing's sarcoma, except that they presented with fewer systemic symptoms. The radiographic characteristics included a preponderance of flat bone involvement (54%) over long(More)
A 30-year-old woman had uterine bleeding and hypotension after delivery. Hyponatremic seizures and a mild headache prompted early neuroimaging, which disclosed an enlarged nonhemorrhagic pituitary gland with subsequent involution consistent with pituitary apoplexy (Sheehan syndrome). Endocrinologic investigation confirmed a partial pituitary insufficiency(More)
BACKGROUND To decrease the complications associated with cardiopulmonary bypass, novel biomaterials have been introduced that may be less thrombogenic than standard synthetic surfaces. METHODS Thirty-four patients undergoing coronary artery bypass grafting were randomized to bypass using either a control circuit or a circuit prepared "tip-to-tip" with a(More)
OBJECTIVE Blood contact with synthetic surfaces during cardiopulmonary bypass (CPB), inevitably results in the activation of a variety of interrelated pathways of inflammation and coagulation that may contribute to postoperative complications in cardiac surgery patients. The objective of this trial was to evaluate clinical events and complement activation(More)
Twenty-eight patients with lower urinary tract injuries were reviewed at Hôtel-Dieu de Montréal. Eighteen involved the urethra and ten involved the bladder. Pelvic rami fractures are the main cause of bladder rupture, including almost all cases of extraperitoneal bladder rupture. Pelvic fractures are also the main cause of posterior and bulbo-menbranous(More)
Mechanical circulatory support is currently indicated for patients with cardiac insufficiency as a bridge to transplantation or as a bridge to recovery. These systems continue to evolve and improve, and many patients (after they are stabilized) are now able to be discharged from the hospital. This article reports our experience with the intercontinental(More)
During hypothermic cardiopulmonary bypass (CPB) patients are cooled, usually to between 30-32 degrees C, and, after myocardial blood flow is restored, they are rewarmed with blood heated in the pump-oxygenator. We audited our local practice by recording tympanic and nasopharyngeal temperatures in 11 patients undergoing hypothermic CPB. We found that, during(More)
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