Guy Haller

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A case is reported of an isolated posterior column injury secondary to direct mechanical trauma complicating a posterior spinal fusion. This case documents a rare complication of posterior spinal surgery. Intraoperative somatosensory-evoked potential (SEP) monitoring documented the injury whereas two intraoperative wake-up tests did not. This case(More)
OBJECTIVE To assess the effect of a Crew Resource Management (CRM) intervention specifically designed to improve teamwork and communication skills in a multidisciplinary obstetrical setting. METHOD Design--A before-and-after cross-sectional study designed to assess participants' satisfaction, learning and change in behaviour, according to Kirkpatrick's(More)
BACKGROUND To compare morphological gross tumor volumes (GTVs), defined as pre- and postoperative gadolinium enhancement on T1-weighted magnetic resonance imaging to biological tumor volumes (BTVs), defined by the uptake of (18)F fluoroethyltyrosine (FET) for the radiotherapy planning of high-grade glioma, using a dedicated positron emission tomography(More)
A b s t r a c t Objective: To compare users' speed, number of entry errors and satisfaction in using two current devices for electronic data collection in clinical research: handheld and laptop computers. Design: The authors performed a randomized cross-over trial using 160 different paper-based questionnaires and representing altogether 45,440 variables.(More)
OBJECTIVE To determine whether an increase in the rate of undesirable events occurs after care provided by trainees at the beginning of the academic year. DESIGN Retrospective cohort study using administrative and patient record data. SETTING University affiliated hospital in Melbourne, Australia. PARTICIPANTS 19,560 patients having an anaesthetic(More)
BACKGROUND Drug manufacturers have developed "evergreening" strategies to compete with generic medication after patent termination. These include marketing of slightly modified follow-on drugs. We aimed to estimate the financial impact of these drugs on overall healthcare costs and also to examine the impact of listing these drugs in hospital restrictive(More)
We report a case of venous oxygen embolism in a 33-yr-old healthy woman after irrigation of a vulvar abscess with 25 ml of 3% hydrogen peroxide. Venous oxygen embolism was diagnosed by the development of sudden hypoxia associated with a decrease in end-tidal carbon dioxide concentration from 5.3 kPa to 3.2 kPa, and a 'mill-wheel' sound on cardiac(More)
BACKGROUND Severe traumatic brain injury (TBI) is a significant health concern and a major burden for society. The period between trauma event and hospital admission in an emergency department (ED) could be a determinant for secondary brain injury and early survival. The aim was to investigate the relationship between prehospital factors associated with(More)
BACKGROUND Bispectral (BIS) and state/response entropy (SE/RE) indices have been widely used to estimate depth of anaesthesia and sedation. In adults, independent of age, adequate and safe depth of anaesthesia for surgery is usually assumed when these indices are between 40 and 60. Since the EEG is changing with increasing age, we investigated the impact of(More)