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Biomedical subjects

C Payrot

Publications and source records attributed to C Payrot.

13 recordsLinked to original sources
PubMed1989

Malar bone fractures and their sequelae. A statistical study of 1.393 cases covering a period of 20 years.

The authors analyse the results of 1.393 cases of malar fractures treated in the maxillo-facial Departments of Montpellier and Perpignan. A clinical and therapeutic classification is given. Study of the sequelae demonstrated that the most frequent were infra-orbital nerve lesions, residual displacement of the malar bone, diplopia, and enophthalmos. A point is made about the use of Franchebois's inflatable balloon as a means of retention. Its indications as well as its contra-indications are clearly defined. The reduction in the number of bone sequelae, when compared to cases treated without the balloon, demonstrates the efficacy and simplicity of this method.

Adolescent↗
PubMed1989

[The value of Cottle's technic for esthetic and functional correction of the nose].

The "maxilla-premaxilla approach" as well as the surgical respect of the dorsum nasi are what make the Cottle technique doubly interesting: aesthetically and functionally. In relation to the nasal septum cartilage, it allows nasal septum deviation to be considered as the consequence of the disturbance of the surrounding bony structure and constitutes satisfactory treatment by replacing a simple septoplasty with a septorhinoplasty. From an aesthetic point of view, Cottle's technique allows a more natural correction by respecting the osteocartilaginous nasal bridge. Moreover, this technique offers the advantage of correcting Saddle nose with or without bone grafting. The analysis of a group of 87 patients over a period of 4 to 10 years confirms its value and defines the limitations and indications.

Adolescent↗
PubMed1987

[Coral in infra-osseous lesions. Evaluation after 7 years' use].

The coral or madreporaria skeleton is morphologically and chemically very similar to mineral bone. The authors began to experiment with the implantation of selected pieces of coral in the cranial and facial bones of dogs, pigs and monkeys. The obtained true reossification with the wide porous varieties, and a very stable implant with a very good tolerance with the other varieties. Having collected and analysed the first two years results on the animal, we started, in 1981, to use coral implants in corrective surgery of the face by extrapolating in other specific areas, such as periodontology which we believe to be a very promising area of investigation. The filling of the interior bone cavities remains our chief concern; a quick look taken at the available literature on the subject has convinced us of the strong need for grafts in the treatment of bone lesions. We do not propose here a critical or a comparative study of the different materials mentioned: Our goal has been to transmit our finding, based on the importance of madrepore: its wide availability; easy use; economical price; biological qualities; consistent result.

Animals↗
PubMed1985

Coral, a new biomedical material. Experimental and first clinical investigations on Madreporaria.

The coral or Madreporaria skeleton is morphologically and chemically very close to mineral bone. In 1979 we began to experiment with the implantation of selected pieces of coral in the cranial or facial bones of dogs, pigs and monkeys. With the wide porous varieties we obtained a true reossification. With the other varieties we had a very stable implant and very good tolerance. For the past three years we have used Madreporaria in human surgery. The cases included the stabilization of facial osteotomies, bone apposition near the pyriform aperture, and the treatment of periodontal lesions.

Adult↗
PubMed1980

[Treatment of combined fractures of the horizontal ramus of the mandible and the mandibular condyle (author's transl)].

A method for treating combined fractures of the mandible and subcondylar region is described. The mandibular fracture is treated by bicortical screws, with or without plates according to the type of fracture. The subcondylar fracture is treated by functional reduction using the technique described by Delaire. An analysis of the results obtained in four cases out of 23 is reported. These were chosen or followed by the same surgeon, and radiological examination conducted using the same incidences.

Adult↗
PubMed1980

[Traumatic bitemporal hemianopsia (author's transl)].

The authors report a case of traumatic bitemporal hemianopsia, without any macroscopic lesion in the chiasma. At this juncture, they argue about the different mechanisms which may occur in the pathogenesis of these lesions, and they dwell on the indirect mechanism of the quartering of the optic nerves, which is responsible for a tear in the chiasma.

Facial Injuries↗
PubMedDate not supplied

[Right lumbo-crural sciatica due to a vertebral osteochondroma].

The above case-report is about unilateral lumbar-crural-sciatalgie which has led to the finding of a spinal tumour situated within the articular block on the right side of the third and fourth lumbar vertebrae. The clinical picture produced by this slowly growing tumour was that of spinal root compression which has called for its surgical removal. Histological examination of the tumour revealed an osteochondroma, the original aspects of which lie in its localization, the presenting symptoms, the age of the patients an in its course.

Aged↗