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Biomedical subjects

C V Burton

Publications and source records attributed to C V Burton.

At least 19 recordsLinked to original sources

Juvenile discogenic disease.

This study was undertaken to document an association of degenerative lumbar disc disease in patients with thoracolumbar Scheuermann's disease. During a 3-month period, 9% of 1419 of the persons referred to our center for magnetic resonance imaging of the lumbar spine demonstrated changes of both thoracolumbar Scheuermann's disease and degenerative disc disease in the lower lumbar spine. The disease was less commonly detected on computed tomography (2% of 1522 patients). The patients were relatively young: 81% were younger than 40 years and 9% were younger than 21 years. We theorize that the thoracolumbar Scheuermann's disease and the associated degenerative disc disease of the lower lumbar spine are manifestations of an intrinsic defect of the discs and/or cartilaginous end plates, which results in inadequate nutrition and structural weakness or a combination of both, and early degeneration.

Adolescent↗

Causes of failure of surgery on the lumbar spine: ten-year follow-up.

A decade has passed since the primary factors in failures of surgery on the lumbar spine were identified, and the entity is still an expensive, disabling reality for too many patients. The incidence of failure has significantly decreased due to better practices as well as advances in the technology of surgical diagnostic studies and better means of conservative care. The author would like to join his colleagues in acknowledging the many contributions of Dr. Leonard Malis throughout his career toward improving the quality of patient care and helping avoid failure of back surgery in all patients.

Arachnoiditis↗

CT evaluation of the failed back surgery syndrome.

Inadequate low back care has now been clearly identified as perhaps the greatest single waste of health care resources in the United States. Low back care failure represents a particularly frustrating and challenging entity. Statistics suggest that 25,000 to 50,000 FBSS cases occur each year. This is a public health problem that should be of the highest level of concern. Modern understanding and technical prowess allow us to study past therapeutic failures and thus gain the knowledge necessary to do better in the future. We sincerely hope that our colleagues will give careful consideration to the material presented here.

Arachnoiditis↗

Successful surgical management of lateral spinal stenosis.

The past operative management of low back disease in the United States has been in such a morass that the medical profession and society have tended to avoid addressing the issue. As with all poorly understood disease entities the situation has changed dramatically as it has become better documented, logically comprehensible, and thus potentially treatable in an effective manner. An important key to this new understanding has been the delineation of lateral spinal stenosis as a disease process and its meaning in regard to the FBSS.

Adipose Tissue↗

Conservative management of low back pain.

Diagnosis and treatment of low back pain may well have seen more progress in the past five years than in the previous 50. Specific diagnoses can be made by history and physical examination and can often be objectively documented by modern high-resolution computed tomographic scanning of the lumbar spine. A number of innovative conservative treatment modalities show great promise in decreasing the need for surgical intervention. Surgery is indicated only when appropriate conservative measures have failed. However, the greatest changes are yet to come. These will relate to prevention of low back pain through professional instruction of patients regarding activities, exercises, and life-style beneficial to the lumbar spine.

Back Pain↗

Causes of failure of surgery on the lumbar spine.

An interinstitutional study on the failed back surgery syndrome (FBSS) has determined that failure to recognize or adequately treat lateral stenosis of the lumbar spine with resultant nerve irritation and/or compression comprised the primary etiology in 57% to 58% of patients. Other common causes were recurrent or persistent disk herniation and lumbosacral adhesive arachnoiditis. The diagnosis of stenosis was made either by high-resolution CT scan of the lumbar spine or by directly testing lateral canal and for animal patency at the time of surgery. It is now appreciated that the process of degenerative disk disease, particularly when enhanced by diskectomy, results in progressive loss of intervertebral disk volume and predisposes to future ipsilateral or contralateral lateral spinal stenosis. Degenerative disk disease is ultimately a bilateral process and therefore surgical exposure should be bilateral. The direct and indirect costs of FBSS to patients and to society as well as the toll in human suffering are very high. This is particularly a matter of concern when it is realized that for many FBSS patients, surgery could have been avoided in the first place by preventive care or by innovative conservative treatment. When surgery is indicated, adequate diagnostic tests and the execution of appropriate procedures based upon this information should largely prevent the failed back surgery syndrome.

Humans↗

Deep brain stimulation for severe, chronic pain.

Deep brain electrodes placed in the parafascicularis-centre-median area (pf-CM) can reliably relieve severe chronic pain of long duration by simple electrical stimulation, in selected cases. Twenty-eight patients are presented here who had one or more electrodes placed for periods ranging from a few days to several months. Overall results rated good-to-excellent (having 50% or more relief of the prestimulation pain) were seen in 76% of the cases. Intraoperative test stimulation has been very useful in predicting future effectiveness. Also presented are a new disposable ventricular catheter and a burr hole plug and cap for anchoring the electrode wires in the skull.

Electric Stimulation Therapy↗

Lumbosacral arachnoiditis.

One hundred patients with lumbosacral adhesive arachnoiditis documented either directly at surgery or by unequivocal myelography served as the basis for this report on the pathologic process. Nomenclature for this disease, involving radiculitis, arachnoiditis, and adhesive arachnoiditis, is proposed. The entity appears not to be rare, as previously thought, but common in patients with severe back and/or leg pain and functional incapacitation due to the failed back surgery syndrome. While true incidence and relationship to a combination of causal factors remains to be accurately documented, the importance of Pantopaque in contributing to this disease process appears to be quite significant.

Arachnoiditis↗

Neurosurgical materials and devices. Report on regulatory agencies and advisory groups.

The current status of voluntary consensus standards writing procedures in neurosurgery and the current progress of government efforts to regulate materials and devices are described. A survey of the national and international standards writing bodies is presented, along with an introduction to related organizations and agencies and nomenclature. The intent of this review is to provide the neurosurgeon with a reference source regarding past and present neurosurgical activities in the materials and devices field. When President Ford signed the 1976 Medical Device Amendments on May 28, 1976, the Food and Drug Administration assumed direct legal authority to control medical devices and potentially assumed the power to regulate those professionals using them.

Government Agencies↗

Post-traumatic ophthalmic vein arterialization.

An unusual case of post-traumatic exophthalmos without pulsation, bruit or thrill, due to missile injury is presented. Arterialization of the ophthalmic vein represents one of the very few situations where an eye injury can lead to exsanguination and dealth unless the diagnosis is made early. Prompt carotid arteriography is advised to document the pathologic process and guide appropriate therapy.

Adolescent↗