Peter Collingwood

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OBJECTIVE To determine the level of clinical responsibility interventional radiologists in Canada currently have within their practice and would like to have within their future practices. METHODS An anonymous online survey was e-mailed to all members of the Canadian Interventional Radiology Association. The survey was open for a period of 2 months. (More)
To describe the current state and limitations to interventional radiology (IR) in Canada through a large, national survey of Canadian interventional radiologists. An anonymous online survey was offered to members of the Canadian Interventional Radiology Association (CIRA). Only staff radiologists were invited to participate. Seventy-five (75) responses were(More)
OBJECTIVE To compare the cost- and time-effectiveness of 2 methods of placement of vena cava filters for the prevention of pulmonary embolism: the radiologic percutaneous placement of the Vena Tech LGM filter and the surgical cutdown placement of the 24 Fr Greenfield filter. METHODS Retrospective review of radiologic and clinical records for 15(More)
We assessed the reliability and validity of a formula, based on echocardiographically derived parameters, to calculate left ventricular mass index (LVMI) in a group of 15 chronic hemodialysis patients. All patients had M-mode echocardiography before and after a hemodialysis session. Echocardiograms were interpreted by 2 observers blind to each other's(More)
OBJECTIVE To determine the percentage of interventional radiologists who currently perform 3 interventional procedures: carotid stenting, vertebroplasty, and endovascular aneurysm repair (EVAR) in Canada, and impediments to their future performance by other interventional radiologists. METHODS An anonymous online survey was emailed to all members of the(More)