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Biomedical subjects

S Samoud

Publications and source records attributed to S Samoud.

11 recordsLinked to original sources
PubMed1994

[Neurologic Behçet disease].

BACKGROUND: Behçet's disease is very occasionally revealed by neurological abnormalities. This report describes such a case. CASE REPORT: A 13 year-old girl was admitted because of status epilepticus and fever. Clinical examination showed horizontal nystagmus, cerebellar syndrome, right hemiplegia, ophthalmoplegia and meningitis. Her CSF contained 80 lymphocytes/mm3, 0.75 milligram proteins and 0.5 milligram glucose. CT scan showed a hypodense area in the internal capsule. Two similar episodes occurred 4 and 6 months later, but all attempts at determining the etiology were negative. A diagnosis of neurological Behçet's disease was considered 10 months after the first episode when the patient developed oral ulcers followed by pseudofolliculitis of the scalp. The disease recurred several times despite treatment with prednisone, colchicine and antiaggregant drugs. CONCLUSION: Recurrent aseptic meningitis is a classic manifestation of neurological Behçet's disease. It usually appears 2 months to 27 years after the first extraneurological signs and not, as in this case, several months before.

Adolescent↗
PubMed1993

Prevalence study of neurologic disorders in Kelibia (Tunisia).

A full-scale survey, in Kelibia, Tunisia, screening 34,874 persons started on July 1, 1985. The accuracy of this survey was evaluated by a second survey using a randomized sample of 1,673 subjects (control survey). Better selection and training of the interviewers during the control survey led to a higher positive predictive value with no modification in prevalence ratios of neurologic disorders. The control survey helped to validate the full-scale survey data which were then used to establish the prevalence ratios of major neurologic disorders in Kelibia. Prevalence ratios, age-adjusted to the WHO population, were compared to those of studies using similar methodology. Migraine prevalence ratios in Nigeria, Ecuador, and Kelibia were equivalent. Epilepsy and Parkinson's disease prevalence ratios were close to those of other similar studies. The stroke prevalence ratio was low, compared to other studies, but was not the lowest. It seems that in Kelibia, stroke does not constitute a public health problem as it does in the USA or urban China. The large full-scale survey, in Kelibia, provided estimates of prevalence ratios for stroke, epilepsy, migraine and other common neurologic disorders for comparisons with other countries. However, definitions of neurologic disorders and diagnostic criteria differ from one study to another making difficult the comparison of results between different countries. Had the WHO protocol developed well-defined criteria and a standardized neurologic examining tool, more accurate comparisons could have been made.

Adult↗
PubMed1986

[Genetic study of spinocerebellar hereditary degenerations in Tunisia. Role of consanguinity in their occurrence].

The genetic analysis of 101 genealogical trees of families with spinocerebellar heredo-degeneration enabled the authors to specify the transmission inheritance for each clinical type. Autosomic recessive transmission has been observed for Friedreich's ataxia (68 out of 69 families), Pierre-Marie's heredo-ataxia (15 families) and familial spastic paraplegia (2 families). A dominant mode of transmission has been observed in 13 families affected by familial spastic paraplegia (Strumpell-Lorrain) and in only one family with Friedreich's ataxia (an intermediate or incomplete form). It has also been observed that the consanguinity rate among this group of families is very high compared with that of the general tunisian population (25%). Marriage between cousins occurs in 75% of the cases of Friedreich's ataxia, in 78% of the cases of Pierre-Marie's heredo-ataxia and in only 61% of familial spastic paraplegia of Strumpell-Lorrain. The authors have come to the conclusion that the recessive autosomic transmission of the spino-cerebellar heredo-degenerative diseases are closely related to a high consanguinity rate.

Cerebellar Diseases↗
PubMed1981

[Peroneal atrophy in Tunisia. Study of 70 cases, pure or associated with other heredodegenerative diseases].

Seventy cases of hereditary peripheral neuropathy of Charcot-Marie-Tooth type have been studied. One group of 40 cases from 30 families had a pure peripheral neuropathy, the other 30 from 20 families having other associated inherited nervous defects. The classification of Dyck and Lambert (1968) modified by Dyck (1975) was used, but it proved difficult to distinguish pure types and transitional forms were common. Histological criteria appeared more reliable than clinical features and were the most constant finding within a given family. In forms associated with other abnormalities a hypertrophic and a neuronal form could be distinguished but similar difficulties in classification were encountered as the mode of genetic transmission, age of onset, clinical features and nerve conduction velocity were comparable in the two groups. Discrepancies between electrophysiological and histological findings may result from examining motor nerves with the former technique and sensory with the latter. Despite subdivision there is still a sharp distinction between the various forms of Charcot-Marie-Tooth disease and the hypertrophic neuropathy of Déjerine-Sottas. The genetic pattern is complicated by the frequent association with other inherited abnormalities.

Charcot-Marie-Tooth Disease↗
PubMed1980

[Hereditary degenerative spinocerebellar diseases in Tunisia with manometric studies in bladder disorders (author's transl)].

During a survey conducted in Tunisia in 1978, 204 cases of hereditary degenerative spinocerebellar diseases were discovered among members of 117 families. The cases included 109 patients with Friedreich's ataxia, 28 with Piere Marie's heredo-ataxia, 20 with Strumpell-Lorrain's disease, and 47 with intermediary forms. The latter group included incomplete forms of Friedreich's and Pierre Marie's diseases. The onset or progression of the disease was linked to a febrile episode in 25 p. cent of the cases. Emphasis is placed on the presence of bladder sphincter disorders in approximately one third of the patients with Friedreich's or Pierre Marie's diseases. Manometric studies in 17 cases demonstrated the presence of normal bladders in 4 cases, hypertonicity of the bladder in 5 patients, and hypesthesic retention-type bladders in 5 other cases. In 3 patients the disorder was difficult to classify. These results show that sphincter disorders should not constitute a criterium for exclusion of the diagnosis of spinocerebellar degeneration.

Adolescent↗