Biomedical subjects
L D Voegele
Publications and source records attributed to L D Voegele.
Combined coronary artery bypass surgery and carotid endarterectomy.
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Atrial myxoma: diagnosis and treatment.
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Pulmonary venous obstruction after atrioplasty for partial anomalous pulmonary venous drainage.
We have described the clinical, angiographic, and pathologic features of a case of unilateral pulmonary venous obstructive disease that followed a baffle repair of partial anomalous pulmonary venous drainage. Management consisted of resection of the affected lung. The patient is doing well ten years later.
111 I. M. A. grafts: the use of the internal mammary artery in modern coronary artery surgery.
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Pulmonary venous obstruction following atrioplasty for partial anomalous pulmonary venous drainage.
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Trends in myocardial revascularization.
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Surgical treatment of renal cell carcinoma extending as a tumor thrombus into the superior vena cava: a case report.
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Aortocaval fistula representing a contained rupture of abdominal aortic aneurysm: case report.
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The pleuro-peritoneal shunt for intractable pleural effusion: a case report.
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Safety of combined coronary artery bypass surgery.
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Median sternotomy infection. Management and reconstruction.
Median sternotomy infections are a difficult and potentially lethal problem. Three patients are presented who manifested variations of this clinical problem, and techniques to treat this complication are described. Successful management entails maximum debridement, elimination of mediastinal dead space utilizing omental or pectoralis major muscle flaps, adjunctive systemic antibiotics, closed irrigation systems, and reconstruction of chest wall stability.
Experience with multiple and simultaneous subclavian vein cannulations: safety and versatility.
The utilization of percutaneous catheterization of the subclavian vein has facilitated access to the central venous system and has been a valuable adjunct in the care of critically ill patients. A total of 60 patients in an intensive care setting had concurrent placement of multiple subclavian lines for fluid administration, hyperalimentation, hemodynamic monitoring, cardiac pacing, or hemodialysis over a 5-year period from 1979-84. This was done primarily because these gravely ill patients required a multitude of diagnostic and therapeutic interventions for their clinical management. Ease of applicability, versatility in use, and low morbidity for the patients were noted.
The lucid interval in stroke following carotid endarterectomy.
In 789 carotid endarterectomies, there were 39 neurologic deficits in 543 cases (7.1%) performed with a shunt and nine neurologic deficits in 246 cases (3.7%) performed without a shunt in a community where surgeons were divided and inflexible with regard to the use of shunts. In the cases performed without a shunt, seven of the nine neurologic deficits were preceded by a lucid interval, suggesting that the use of a shunt might have benefitted no more than two cases in this group. The mortality related to deficits following a lucid interval was 44 per cent, whereas the mortality of immediate deficit was 13 per cent. This supports a policy of immediate operation for stroke following a lucid interval.
Aspirin and postoperative hemorrhage.
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The use of shunts in patients undergoing bilateral carotid endarterectomies. Help or hindrance.
A retrospective study was undertaken to help assess the influence of shunting or nonshunting in the performance of bilateral, staged carotid endarterectomies. During the years 1969 to 1979, 323 consecutive patients underwent 646 staged, bilateral carotid endarterectomies. The indications included 271 patients (83.5%) with hemispheric and nonhemispheric findings and 52 patients (16.5%) who were asymptomatic. Thirty-six patients had sustained a previous stroke. General endotracheal anesthesia and systemic heparinization were used in all operations. An indwelling shunt was used in 485 (75.1%) endarterectomies whereas 161 operations (24.9%) were done without a shunt, reflecting the surgeons' routine preferences rather than specific criteria of selection. There were 30 (4.6%) neurologic events in 29 patients. Five patients died, representing an operative mortality of 1.5 per cent. Neither carotid occlusion time, interval between operation, nor severity of extracranial occlusive disease correlated significantly with the occurrence of postoperative stroke. An analysis of the neurologic deficits revealed 27 in the shunted group (5.5%) and three in the nonshunted group (1.8%). Results of this study showed that shunting cannot be relied upon to decrease the risk of neurologic deficit and that superior results may be obtained without an indwelling shunt in performing carotid endarterectomy.
An improved method for collection of shed mediastinal blood for autotransfusion.
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Flow in coronary artery bypass grafts to totally and partially occluded left anterior descending coronary arteries.
Flow was determined by electromagnetic flowmeter in vein bypass grafts in 20 patients with a totally occluded left anterior descending (LAD) coronary artery and on 61 patients with a partially occluded LAD. The median flow in LAD grafts was 14.5 ml/min with total LAD occlusion, and 40 ml/min with partial LAD occlusion (p less than 0.001). In cases of total LAD occlusion, the presence of mild or moderate anteroseptal wall dysfunction was associated with more satisfactory flow than was the case with severe anteroseptal wall dysfunction (p less than 0.02). Flows over 25 ml/min were found only when the LAD distal to total occlusion was 1.5 mm or greater. Unsatisfactory flows were consistently found with total LAD occlusion, poor ventricular function, and a distal LAD less than 1.5 mm. Repeat catheterizations to determine an unsatisfactory patency rate under these conditions would be necessary to alter our policy of grafting all suitable vessels beyond a total occlusion.