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Biomedical subjects

J Gougeon

Publications and source records attributed to J Gougeon.

At least 19 recordsLinked to original sources

[Value of discography in disk punctures in bacterial spondylodiscitis].

26 discographic examinations were performed during puncture of 28 intervertebral disks for septic spondylitis. Discography assures the operator that the diagnostic needle is correctly inserted in the intervertebral disk, without destroying the causative microorganisms. But, in particular, this examination reveals the presence of lesions which often are not suspected within the vertebra or the adjacent soft tissue, and notably the presence of large and frequently occurring pyogenic abscesses. Because of this capacity, this test has a certain diagnostic value in case of recent spondylitis and with erosive disk disease. This simple and safe procedure, in our opinion, justifies its routine utilization at the same time as disk puncture is performed for bacteriological assessment of infectious spondylitis.

Bacterial Infections

[Extramedullary arteriovenous fistula of the spinal canal with spinal cord venous drainage. Apropos of 2 cases].

The authors report two cases of extramedullary arteriovenous fistulas in the spinal canal with venous return into the spinal cord veins. Both patients were middle-aged men who presented with multiple nerve root involvement of the lower extremities for one year and three months respectively. Myelography demonstrated an indentation at the level of the conus medullaris by a dilated vein in both cases. Arteriography of the spinal cord demonstrated an arteriovenous malformation from the dura mater with venous return into the ascending spinal cord veins, located in both cases at T11. Unlike typical angiomas of the spinal cord, these arteriovenous fistulas do not arise from spinal cord arteries. Only the venous return is into the spinal cord system. Initial clinical manifestations are progressive and often misleading, with pseudoradicular pain of the lower extremities or intermittent claudication which was observed in both patients. Only good quality myelography enabled visualization of the dilated vein at the level of the conus medullaris which lead to localization of the arteriovenous malformation and its afferent arteries outside of the spinal cord itself. Treatment is either surgical, or neuroradiological (embolization). Similar results are obtained by both methods, in a condition which would otherwise progress to paraplegia.

Arteriovenous Malformations

[Discopathies after fractures and destructive vertebral lesions during rheumatismal pelvispondylitis].

In three cases of rheumatic spondylitis, fracture across the disc of an ankylosed spinal segment (C5-C6, D7-D8, and D12-L1 respectively) resulted in rapid development of a discopathy with destruction of the adjacent vertebral bodies. In one of these cases, surgical exposure of the focus permitted anatomical study of the lesion; the changes that had developed after the fracture were inflammatory in appearance, which at first suggested infection by non-specific micro-organisms, an assumption that was rapidly abandoned. This misleading histological appearance largely explains why these destructive discopathies in spondylitis have long been regarded as a consequence of the rheumatic process itself. A review is presented of the arguments which suggest that they have, in fact, a mechanical pathogenesis, often determined by a fracture. From this it may be concluded that the treatment of choice is temporary immobilization in moderate cases and surgery with transplantation in complicated or unstable cases.

Aged

[Femoral nerve paralysis complicating anticoagulant treatments. A propos of 3 cases].

The authors report 3 new cases of femoral nerve paralysis complicating anticoagulant treatment. The first sign was pain, the neurological signs occurred later and the patient usually recovered but recovery was sometimes incomplete. The pathogenesis is not clear : a muscle hematoma, ischemia of the nerve trunk, and intraneural hemorrhage are the commonest theories.

Aged

Clinical trial of the injectable form of ketoprofen.

Although the number of synthetic anti-inflammatory agents is ever increasing, it is apparent that most of these drugs have been administered orally or rectally. Because it can be given parenterally, ketoprofen is of additional interest. Furthermore, tolerance of the product by the intramuscular route is adequate even in patients likely to suffer side-effects when the drug is given orally.

Anti-Inflammatory Agents

[Destructive lesions of the middle and lower part of the cervical spine during rheumatoid arthritis. Study of the neurological complications. A case with quadriplegia].

Lesions of the middle and lower part of the cervical spine during rheumatoid arthritis are less frequent than those of the cervico-occipital joint. They concern the discs on the one hand, the posterior inter-apophyseal joints, on the other hand. The authors report a case of rheumatic spondylodiscitis of C5-C6 with dislocation, complicated by quadriplegia, and review other published cases of rheumatoid lesions of the middle and lower cervical spine with neurological complications. The mechanisms of these lesions and their complications are then discussed.

Aged

[Needle puncture of the intervertebral disk foci in the bacteriological diagnosis of infectious spondylodiscitis. Technic and results].

Clinical, laboratory, and radiological data do not make possible a certain diagnosis of infectious spondylitis: errors are thus possible, even frequent, and are harmful to the patient. In order to ensure a certain diagnosis and to avoid exploratory surgery as far as possible, the authors propose systematic needle puncture of the inververtebral disk--a technique that is simple and inoffensive to carry out in all disks below T4, and that, in a series of 18 cases, gave a success rate of 2 out of 3 (11 positive results). The technique, the results and the factors essential for success are described and analysed.

Adolescent