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Permanent ligation of arteries supplying blood to the spinal cord in operations for aortic aneurysm can lead to spinal cord ischemia, which can result in either paraparesis or paraplegia. This report describes a rapid method of intraoperative identification of those arteries that supply the spinal cord by use of an intrathecal platinum electrode to detect… (More)
Thromboembolic complications are common in patients with advanced malignancies. For these patients anticoagulation with warfarin is often complicated by severe bleeding. For this reason we evaluated the safety and efficacy of the Bird's Nest Filter, a new device capable of preventing migration of thromboemboli to the pulmonary arteries through interruption… (More)
This is a report of surgical treatment of thoracoabdominal aortic aneurysms and aneurysms of the abdominal aorta from which the visceral vessels arise during the 18 year period from April 5, 1960, to April 20, 1978. The extent of aneurysm is divided into five groups. Group I (10 patients) involved most of the thoracic and abdominal aorta down to celiac… (More)
The appearance of the Bird's Nest inferior vena cava filter on magnetic resonance (MR) images of 11 patients is described. No complication or symptomatic filter displacement was encountered as a result of MR imaging performed at 1.5 T. The filters created significant local artifact and distortion on MR images. However, diagnostic MR images of the pelvis,… (More)
Occlusion of the celiac, superior mesenteric, and inferior mesenteric artery has been studied in 46 patients treated by operation. The condition was acute and was caused by embolic obstruction of the superior mesenteric artery in four cardiac patients and detachment of the inferior mesenteric artery in two patients during removal of infrarenal abdominal… (More)
The bird's nest inferior vena cava filter, in clinical trial since 1982, has been placed in 568 patients at risk for pulmonary embolism. Of the 481 patients in whom the filter had been in place for 6 months or more, 440 were followed up clinically. The prevalence of clinically suspected recurrent pulmonary thromboembolism was 2.7% (12 patients) and that of… (More)
The bird's nest filter is a new transvenous stainless steel inferior vena cava filter designed for percutaneous introduction. The filter design eliminates the technical problems associated with other transvenous filters and produces an effective nonthrombogenic barrier to potential pulmonary emboli.
The Bird's Nest Filter femoral catheter set has proven to be too short in some patients to permit placement in close proximity to the renal veins via the left femoral vein approach. The use of the longer, but otherwise identical Bird's Nest Filter jugular catheter set via the left femoral vein eliminates this problem.