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At least 811 records · Page 45Linked to original sources
PubMed1978

[Tympanoplasty with human dura mater preserved in cialit (author's transl)].

In 26 cases allogenetic human dura mater, conserved in CialitTM 1:5000, was used to close perforations of the eardrum instead of commonly used autogenetic fascia of the temporal muscle. In preceding animal studies, it had been found that "Cialit dura" acts as guideline and stimulates the development of new host connective tissue. In 25 human ear drums the perforations healed up without any problems. The healing process took times of up to 8 weeks. Only in one case a new perforation was found. The moderate flexibility of "Cialit dura" proved as a special advantage during the surgery procedure. Human dura is easily to acquire and its conservation is simple and cheep. Therefore it can serve as a grafting material for tympanoplasty available at any time and in any size. For very large transplants and a lack of postoperative treatment the prolonged healing period could be of some disadvantage. For normal sized transplants, however, there seems not to be a difference in healing time between the commonly used fascia and the "Cialit dura".

Animals↗
PubMed1984

[Limitations in opening the mouth after temporal craniotomy. Observations on 3 clinical cases].

The authors describe 3 cases of mouth-opening limitations and dyskinesia of the remaining mandibular movements, of different degrees of severity, arisen following a cicatricial retraction of the temporal muscle, caused by neurosurgical accesses to the underlying encephalic regions. Having kept in mind the afflictions that could cause an analogous symptomatology, the authors stop to consider which is the most suitable kind of treatment (surgical or rehabilitative) in these specific cases. For both kinds of treatment, corresponding to the specific indications, they propose techniques confirmed by their personal experiences.

Adolescent↗
PubMed1984

[Craniostenosis in Algeria. Surgical indications and results of a personal technic].

This paper is based on a predominant type of craniosynostosis seen in Maghreb, the oxycephaly (82,5% of all craniosynostosis in our series). The authors describe a surgical technic which is based on King's free flaps method, used by Acquaviva and Berrada, and Powiertowski's total craniectomy. With this technic, they perform craniectomy of the vertical part of the frontal bone, extended to temporal bone and 2-3 cm behind lambdoid suture. Two small flaps of parietal and temporal bones are left in place sparing temporal muscle insertion. The authors give results of 200 cases treated in the Neuro-Surgical Hospital Ali Ait-Idir Algiers, which consist in encephalic reexpansion and physiological redistribution of the cranial diameters. The authors emphasize a stabilisation is not a recovery from the functional signs, with normalisation in 3/4 of cases of the E.E.G. patterns. The visual acuity is stabilised. In conclusion, the authors estimate this technic has a place among the others procedures in the management of the craniosynostosis.

Algeria↗
PubMed1984

[Study on the vertebro-basilar system in "moyamoya" disease].

Posterior circulation in 82 children of "moyamoya" disease are studied. Two aspects of "moyamoya" disease, (ie; occlusive lesion of cerebral vessels and the development of abnormal vascular network as collateral channel,) are also detected in the vertebrobasilar system. Among 82 cases, 49 cases showed the occlusion of posterior cerebral artery at their quadrigeminal segment. Twenty-three showed the more proximal occlusive lesions. Vertebral artery occlusion were found in 3 cases. As the occlusive lesion progresses, abnormal vascular network at the posterior portion of skull base developed. This network consists mainly of thalamogeniculate artery, posterior choroidal artery, and also of other thalamoperforators. Visual field defect as an ischemic symptom of occipital lobe was detected in 9 cases (11%). Superficial temporal artery-middle cerebral artery anastomosis and encephalo-myo-synangiosis (temporal muscle graft), which were not considered to be so effective to the ischemia of the posterior circulation, were shown to exert indirect redistribution effect upon the vertebrobasilar system. However, this effect is such an indirect one that these surgical treatments cannot prevent the occurrence of ischemic stroke in the vertebrobasilar system. For this purpose, omentum transplantation to the occipital lobe may be needed as a method of direct revascularization.

Adolescent↗
PubMed1981

[Effect of head posture on muscle tonus of the masticatory muscles].

The integrated electromyographic study allows to determine action of the variation amplitudes of tonic activity of the masseter muscles, the anterior temporalis muscles and the trapezius muscles induced by angular cephalic displacements of 10 degrees in the three space planes, in sitting position (P.A) and upright position (P.D.). The direction of the variations can be simultaneously positive or negative according to the vertical reference position (P.R.) in the different muscles studied. The masseter muscles showed the largest variations of the P.A. to the P.D. Twenty per cent of the subjects can be classified in a hypertonic category.

Adult↗
PubMed1982

[Comparison of a series of tympanic homografts alone and moulded autografts].

Anatomical and functional results were compared in a series of 60 tympanic homografts alone with those obtained after 80 moulded autografts. Anatomically, the moulded autografts were definitely superior complications of microperforations in approximately one-third of cases. However, from the functional point of veiw, homografts appear to provide better results, particular when the ossicles are intact.

Audiometry↗
PubMed1981

[An indirect method to improve the anthelix fold for the correction of prominent ears. The technique of adduction (author's transl)].

The technique of adduction for the correction of prominent ears endeavours to improve the anthelix fold by an indirect method. This is achieved by fixing the eminentia triangularis by means of a traction suture to the lower edge of the temporal muscle. Thus the cymba conchae is reduced and the angle of the anthelix fold sharpened. At the same time the cartilage relief in the region of the cavum conchae is not influenced despite the excision of a strip of cartilage. This method is relatively uncomplicated and can be performed by the less experienced surgeon also.

Child↗
PubMed1981

[Reconstructive operation of Moyamoya disease and its problems (author's transl)].

Cerebrovascular moyamoya disease is a chronic occlusive disease of unknown etiology, 90% of which are found among Japanese. At the 3rd International Symposium on Microsurgical Anastomosis held in 1976, Kikuchi and Kawasawa reported an preventing effect of STA-MCA bypass surgery for ischemic episode of this disease. Thereafter, they proposed a new operation to place temporal muscle on the brain surface, namely Encephalo-Myo Synangiosis (EMS), for the patients lacking suitable recipient artery of middle cerebral artery territory. The authors report clinical experience of eight STA-MCA anastomosis, two STA-MCA anastomosis with EMS and one EMS performed on six cases with moyamoya disease. The follow up period after operation ranged from seven to 18 months. Four patients had excellent results, and one good. One died of subdural hematoma of non-operated side seven months after contralateral bypass procedure. STA-MCA bypass surgery is an effective treatment for moyamoya disease. Also, EMS is expected to be a replaceable surgical procedure for STA-MCA bypass under absence of suitable recipient artery.

Adult↗
PubMed1981

Correction of a lower eyelid deformity caused by multiple extrusions of alloplastic orbital floor implants.

The case of a young woman is presented in whom a silicone orbital floor implant became extruded into the maxillary sinus 8 years after its insertion for an orbital floor fracture. Two subsequent attempts at correction using silicone only compounded the problem. Ultimate correction, in two stages, required (1) an iliac bone graft to the infraorbital rim and orbital floor defects, along with a temporal muscle flap and nasal antrostomy; and (2) an upper lateral cartilage chondromucosal graft and a full-thickness postauricular skin graft. A warning is sounded against the use of alloplastic materials for major orbital floor defects, particularly when there have been problems with these materials.

Adult↗
PubMed1981

[Compatibility between primary cranial surgery and secondary cranio-facial surgery (author's transl)].

Craniofacial surgery can radically correct the most severe dysmorphias of fronto nasal encephaloceles, trigonocephaly, plagiocephaly, telorbitism, Crouzon, Apert, Chotzen... Its procedures can make to normal their general morphology, the projection of the mid face and maxilla, centering and inter relationship of the orbital cavities. It can also correct or improve many dysfunctions such as : naso-pharyngeal atresia, dental malocclusion, exorbitism, exotropia and, consequently, strabismus. According to syndromes and degree of severity, craniofacial surgery is undertaken between 2 to 10 years of age. This surgery is both cranial and facial, it uses or passes through the "orbito frontal bandeau" : glabella (frontal sinus), orbital roof, supra-orbital ridges down to the fronto-zygomatic sutures. Consequently, primary cranial surgery must not make impracticable the procedures of secondary craniofacial surgery. Consequently, the neuro-surgeon - acting as a cranial surgeon - must keep intact the "orbito-frontal bandeau" 25 mm high, orbital roof and the fronto-zygomatic sutures, included and also temporal crests and temporal muscles. When these elements have been dissected or removed, they must be replaced or reconstructed. Moreover, bone grafts assigned to the fixation or construction of the mid face are more and more often harvested from the parietal bones. Consequently, the parietal bones may be isolated by craniotomies; they must not be destroyed by craniectomies.

Face↗