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Biomedical subjects

Henri Bensahel

Publications and source records attributed to Henri Bensahel.

8 recordsLinked to original sources
PubMed2007

Jackson's intrasacral fixation in the management of high-grade isthmic spondylolisthesis.

The aim of this study is to describe a surgical procedure proposed for high-grade isthmic spondylolisthesis, with intraoperative reduction using Jackson's intrasacral fixation. The procedure is performed using a single posterior approach. The intraoperative correction of the deformity is obtained by sacral dome resection and reduction of the lumbosacral kyphosis using Jackson's fixation to rotate the sacrum. After sagittal balance restoration, L4-S1 circumferential fusion is performed with interbody cages. The technique is effective in the restoration of spinal and pelvic parameters of sagittal balance, and optimal conditions for fusion are obtained. The use of Jackson's intrasacral fixation provides the strong stability needed to correct the lumbosacral deformity, with little neurological risk during intraoperative reduction.

Arthrodesis↗
PubMed2006

Long-term prognosis of Salter-Harris type 2 injuries of the distal femoral physis.

The objective of this study was to assess long-term sequelae of Salter-Harris type 2 injuries on growth of the distal femoral physis. A retrospective study of 20 patients with Salter-Harris type 2 distal femoral injuries, who were managed between 1994 and 2003, was carried out. The average period of follow-up was 4 years and 2 months. Mean age of fracture was 11 years (range 8-15 years). We classified radiologically these fractures into three types according to initial displacement on anteroposterior and lateral radiographs (type 1=less than 2 mm; type 2=more than 2 mm, contact between fragments; type 3=no contact). Further subdivision into A and B was made according to the absence or presence of metaphyseal comminution. Clinical and radiological outcomes were evaluated at latest follow-up. Two patients with type 1 injuries were treated conservatively, with no complication. All type 2 and 3 fractures (18) were reduced under general anesthesia. At latest follow-up, 14 patients (70%) sustained a complication due to either epiphysiodesis (12), femoral over-lengthening (1) or associated loss of knee motion (5). Seven out of the 12 epiphysiodeses were initial type B injuries. All type 3 fractures ended with complications. The prognosis of these fractures, often caused by a high-energy trauma, can be severe. Additional subdivision of Salter-Harris type 2 distal femoral physeal injuries is proposed to warn the clinician on specific fracture patterns with higher complication risk. Greater awareness of the numerous growth problems that may occur is needed in type 2B, in which the germinal layer of the physeal cells is damaged.

Adolescent↗
PubMed2006

[Conservative treatment of clubfoot: the Functional Method and its long-term follow-up].

Despite the presence of a considerable number of papers published in the international literature, talipes equinovarus keeps its secrets. Conservative methods of treatment are currently accepted as advantageous over surgery. Prediction of the future of a clubfoot after treatment is not possible, for this reason, a long-term follow-up is needful. A true Functional Method based solely on gentle manipulations has been used for more than thirty years. Its aim is to correct the deformity and to allow the child to walk without delay. The principle of this method is to distract joint contractures prior to progressive correction of the deformity. No selection is made regarding the severity of the deformity and its etiology. Family plays an important role in performing routine manipulations at home. Concerning this Functional Method, three main series have been published by our team, with excellent-good results accounting for up to 77%. We believe that our Functional Method of conservative treatment of clubfoot is an appropriate way for correction of the deformity and its stabilization.

Child↗
PubMed2004

Club feet with congenital perisylvian polymicrogyria possibly due to bifocal ischemic damage of the neuraxis in utero.

Club foot is a common congenital deformity, for which a neurogenic process in utero has been proposed in some severe forms, but in most cases its cause remain uncertain. We report on four patients with an unilateral (three cases) or bilateral (one case) clubfoot and a bilateral perisylvian cortical dysplasia. All had severe dysarthria with mild mental retardation, epilepsy occurred in three cases. Direct evidence of fetal lesions of the spinal cord was occasionally present, such as signs of motor axonopathy in two cases analyzed by electrophysiological methods and syringomyelic cavitation at the thoracic level in one case. Even though the sensitivity of the investigations to demonstrate microcopic scars in the spinal cord remains weak, the presence of polymicrogyric rearrangements in the perisylvian cortex, known to proceed from a transient ischemic process occurring in the carotid territory during mid-gestation, strongly suggests that a similar mechanism occurred in the spinal cord. In fact, the foot deformity cannot be viewed as the consequence of lesions to brain regions that do not control the foot motility in the fetus. Extraneurological lesions such as jejunal atresia, possibly proceeding from localized vascular compromise, were also encountered. In one sibship, one sister was found to have a severe developmental anomaly of one foot, suggesting that genetic factors may be involved.

Adult↗
PubMed2004

Functional treatment of clubfoot: a new series of 350 idiopathic clubfeet with long-term follow-up.

A new series of 350 previously unreported cases of clubfoot treated by the functional method are reported. One hundred and eighteen clubfeet were unilateral and 116 were bilateral. The follow-up ranged from 11 to 18 years, with an average of 14 years. The improvements in the technique of physical therapy increased the rate of good results up to 77% compared with our previously published series. In an effort to objectively compare these results with other series, the authors assessed all clubfeet using the "at birth classification" published in 1995. Outcome evaluation was performed when the patients were 6 years old, and final evaluation at the end of growth of the foot. This is the first major series to be assessed according to such objective criteria, as much before the inception of treatment as at the end of growth. The results of this new series have been compared with those obtained in our former series.

Adolescent↗
PubMed2004

Metatarsal lengthening by callus distraction for brachymetatarsia.

Twelve metatarsal lengthening procedures by callus distraction were performed in seven patients with brachymetatarsia. The mean age at the time of the surgery was 12.0 years (range, 11.1-14.5 years). The mean duration of follow-up was 5.2 years (range, 1.2-13.5 years). The bones were lengthened at a rate of 0.7 mm/day by a mean of 20 mm (range, 15-30 mm), which was 45% of their original length (range, 37-61%). The mean healing index was 73 days/cm (range, 41-98 days/cm). Corrective shortening osteotomy was performed in one case in which the metatarsophalangeal joint was dislocated due to excessive lengthening. In 10 of the remaining 11 cases, joint stiffness, narrowing of the joint space and some degree of plantar subluxation of the metatarsophalangeal joint were observed during distraction, but these were gradually resolved without either elongation of the tendon or metatarsophalangeal joint fixation with Kirschner wire.

Adolescent↗
PubMed2002

Congenital high scapula.

Congenital high scapula is also known as Sprengel's deformity. The elevation of the scapula is accompanied by its rotation to a varus position. A series of 19 cases is presented, with 4 bilateral cases. A modified Woodward procedure was performed in all the surgical cases using the basic Woodward technique modified by correcting the tilting of the glena. The operative results were judged on cosmetic and functional criteria. The age of the patients and the presence of an omovertebral bone did not influence the results. Associated cervical spine anomalies were of negative prognosis. Results in this series showed only three fair or poor results; the other cases (79%) were all improved cosmetically and functionally with normal shoulder abduction following reorientation of the scapulo-humeral joint.

Abnormalities, Multiple↗