[Depression and coping strategies in the elderly with type 2 diabetes]. / Dépression et stratégies de coping chez les sujets âgés atteints de diabète de type 2.

INTRODUCTION AND OBJECTIVES: Elderly patients with diabetes have been shown to have more diabetes-related complications, and they are more likely to develop somatic and psychiatric comorbidities including cognitive dysfunction and depression. Several studies have shown a close association between diabetes and depression. This comorbidity may lead to functional disability and quality of life deterioration. Thus, the elderly will face various constraints through the coping strategies. In this context, we conducted our study to assess the prevalence of depressive symptoms in elderly patients with diabetes as well as its associated factors, and to investigate their coping strategies. METHODS: We conducted a cross-sectional, descriptive and analytic study among 50 elderly patients (age≥65 years) being followed for type 2 diabetes at the outpatient department for chronic diseases of the Regional Hospital of Aguereb, Sfax, Tunisia. We used the "Activity of Daily Living" to assess the dependence level, the "Geriatric Depression Scale" to screen for depressive symptoms, and the "Brief Coping with Problems Experienced" to investigate the coping strategies. RESULTS: The mean age of patients was 73.3 years, with a sex-ratio (M/F) of 0.62. Smoking and alcohol consumption were reported respectively in 20% and 4% of participants. The mean duration of diabetes was 7.7 years. Diabetes complications were noted in 70% of participants. Somatic comorbidities were noted in 94% of cases (hypertension 84%; dyslipidemia 34%). Psychiatric histories were reported in 18% of patients who suffered from anxio-depressive symptoms. No patient among those with mental disorder histories benefited from any psychiatric management prior to the study. Three patients (6%) had previously presented suicidal ideations but none of them had attempted suicide. The mean "Activity of Daily Living" score was 4.9 points. Patients were autonomous in 28%, and dependent in 4% of cases. The mean "Geriatric Depression Scale" score was 9.8 points. According to this scale, the prevalence of depressive symptoms was 34%. They were correlated with: smoking (P=0.04), psychiatric histories (P=0.031), absence of leisure activity (P=0.035), "Activity of Daily Living" score (P=0.028), long duration of diabetes (P=0.04) and the presence of suicidal ideation (P=0.013). According to the « Brief Coping with Problems Experienced ¼, the problem-focused coping strategies were the most frequently used (44%), followed by emotion-focused (38%) and passive strategies (18%). Participants with depressive symptoms are significantly more likely to adopt emotion-focused coping strategies (P=0.01). CONCLUSION: Our study highlighted a high prevalence of depressive symptoms among elderly patients with diabetes. This relationship seems to be bi-directional and may increase somatic complications and alter the quality of life, and then darken the prognosis. Thus, besides pharmacological treatment, regular depression screening and psychological support are essential to ensure a better control of diabetes and to improve well-being.

[Relevance of plasma exchange in the treatment of myasthenia gravis: study of 11 cases]. / Apport des échanges plasmatiques dans le traitement de la myasthénie: étude de 11 cas.

BACKGROUND: The use of plasma exchange (PE) constituted an advance in the treatment of myasthenia. The objective of our study was to determine the relevance of PE in the treatment of myasthenia and to study the different complications which can be observed during PE. PATIENTS AND METHODS: We studied retrospectively 11 patients who have generalized myasthenia and underwent PE. We used an intermittent flow cell separator and we performed PE three times a week. Biological assessment was performed before and after PE for all patients. The exchange volume was calculated according to the patient weight, gender and the value of hematocrit. RESULTS: Our series included six women and five men. The mean age at onset of the disease was 41.4+/-14.1 years (range: 18 to 68). Indication of PE was myasthenia crisis (eight cases), resistance to classic treatment (two cases) and exacerbation after thymectomy (one case). An improvement was observed rapidly in five cases and delayed in three cases. The remaining three patients did not improve. The most frequent side effects of PE were hypotension (four cases), heart arrhythmia (two cases) and hypoglycemia (one case). Three patients dead in the seven days after the first PE. CONCLUSION: PE represents an interesting tool to treat severe forms of myasthenia and improve prognosis. High incidence of complications in our series can be explained by the initial disease severity, the used method of PE, the existence of associated illness, and a long stay in intensive care unit.

Polysaccharide storage myopathy--case report and literature review.

Polysaccharide myopathy is a rare form of storage muscular disorder. The clinical picture of this particular form of myopathy is unspecific. We report a 62-year-old woman with late-onset progressive weakness and wasting, affecting proximal muscles of the four limbs and the girdles. No myalgia, dysphagia nor symptoms of cardiac failure were observed. Muscle biopsy revealed a vacuolar myopathy with accumulation of amylopectin-like polysaccharide. This material was strongly PAS-positive and diastase-resistant. At electron microscopy, the deposits were composed of non-membrane-bound filamentous and granular material surrounded by numerous mitochondria. No enzyme deficiency was found. Clinical presentation of our patient was similar to the 16 cases reported in the literature. She did not have myocardiopathy and her survival is much longer. Hypothetic mechanisms of polysaccharide accumulation are reviewed.

[Subacute myelitis revealed by human immunodeficiency virus infection]. / Myélite subaiguë révélatrice d'une infection par le virus de l'immunodéficience humaine.

A 35 year-old heterosexual man had a six months history of cervical myelitis with progressive paraplegia, leg weakness and paresthesia of the four extremities. Spinal cord MRI showed a high T2 signal intramedullary lesion wide from the bulbo-medullary junction to D4. Post gadolinium T1 sequence revealed an enhancement in front of C3-C4 vertebrae. VIH serology was positive. Corticosteroid treatment achieved a marked improvement. In addition to vacuolar myelopathy, well-known at the advanced stages of the HIV infection (AIDS), myelitis and clinical pictures simulating multiple sclerosis were described during early stages of the infection. These inflammatory lesions of the central nervous system and sometimes of the peripheral nervous system seems to be related to the immune response dysfunction induced by the VIH.

[Clinical, biological and genetic study of 24 patients with ataxia telangiectasia from southern Tunisia]. / L'ataxie-télangiectasie. Etude clinique, biologique et génétique de 24 cas du sud Tunisien.

Ataxia telangiectasia is a multisystem disease with an autosomal recessive inheritance. It is characterized by progressive cerebellar ataxia, oculocutaneous telangiectasia, humoral and cellular immunodeficiencies and high incidence of neoplasia and radiosensitivity. A 5 year retrospective survey included 24 patients belonging to 17 families. Cerebellar ataxia was the first clinical symptom and was usually noticed when the child began to walk. Mean age of onset was 2.9+/-1.8 years. Oculocutaneous telangiectasia was present in 17 cases and appeared between 2 and 8 years and then spread in a characteristic symmetrical pattern. When ocular telangiectasia was absent (6 cases), the diagnostic of ataxia telangiectasia was retained on oculomotor apraxia (2 cases), recurrent sinopulmonary infections (3 cases) and/or a sib with typical ataxia telangiectasia (1 case). Recurrent sinopulmonary infections, absence or low serum level of IgA (78 p.100) and lymphopenia revealed immunodeficiency. Among 12 patients, chromosomal instability was observed in 5. Balanced rearrangements involving chromosomes 2, 7, 14, 22, 1, 3 and 11. The responsible gene, ATM, encodes a large protein kinase with a phosphatidylinositol 3-kinase-like domain. Ataxia telangiectasia patients have a 100 fold higher risk of cancer than the general population. We reported, in the same family two patients who developed neoplasia, (lymphoma and leukemia). During follow-up, a progressive worsening was observed in all cases. Three patients have died.

Spectrum of SPG4 mutations in autosomal dominant spastic paraplegia.

Autosomal dominant hereditary spastic paraplegia (AD-HSP) is a group of genetically heterogeneous neurodegenerative disorders characterized by pro- gressive spasticity of the lower limbs. Five AD-HSP loci have been mapped to chromosomes 14q, 2p, 15q, 8q and 12q. The SPG4 locus at 2p21-p22 has been shown to account for approximately 40% of all AD-HSP families. SPG4 encoding spastin, a putative nuclear AAA protein, has recently been identified. Here, sequence analysis of the 17 exons of SPG4 in 87 unrelated AD-HSP patients has resulted in the detection of 34 novel mutations. These SPG4 mutations are scattered along the coding region of the gene and include all types of DNA modification including missense (28%), nonsense (15%) and splice site point (26.5%) mutations as well as deletions (23%) and insertions (7.5%). The clinical analysis of the 238 mutation carriers revealed a high proportion of both asymptomatic carriers (14/238) and patients unaware of symptoms (45/238), and permitted the redefinition of this frequent form of AD-HSP.