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Biomedical subjects

M Codina

Publications and source records attributed to M Codina.

At least 19 recordsLinked to original sources

Clinical characteristics associated with psychosocial functioning among patients with uncomplicated epilepsy in Spain.

OBJECTIVE: To identify the clinical characteristics associated with poor psychosocial functioning among Spanish patients with epilepsy but no other neurological or psychiatric disorder. METHODS: Between May and September 2001 a survey among patients with epilepsy was carried out in 32 Spanish health care centres. The selection criteria of patients were attendance to a routine neurologist visit, to be aged between 25 and 64 and not having another additional neurological handicap (n=812). Psychosocial function was elicited through six indicators: educational level, marital status, unemployment status, restricted car driving, self-perception of epilepsy as an important limiting factor in the educational level achieved and, among unemployed, as the cause of their unemployment. Multiple logistic regression models were fitted in order to calculate adjusted odds ratios (aOR) and their 95% confidence intervals. RESULTS: After simultaneously adjusting for socio-demographic variables and clinical characteristics, the six outcomes analysed increased with seizure frequency. Moreover, all the outcomes except low educational level were also related to early age at onset of epilepsy. Although no relation with objective educational level was found, there was a strong association between early age at onset of symptoms and self-perception of epilepsy as an important limiting factor of educational achievement. CONCLUSION: These findings emphasize the need for more effective treatment of epilepsy and also highlight the importance of a psychosocial approach to management of epilepsy for patients with an early onset of symptoms in order to prevent social limitations in adult life.

Adult↗

[Classic antiepileptic and new generation antiepileptic drugs: gender differences in effectiveness and adverse drug reactions].

INTRODUCTION: Women are more likely to suffer adverse drug reactions. Moreover adverse drug reactions differ depending on gender. The main objective of new generation antiepileptic drugs (AED) is to reduce adverse drug reactions while maintaining the same effectiveness as the classic ones. OBJECTIVES: a) To identify sociodemographic and clinical variables associated with being treated with new generation AEDs, and b) to compare effectiveness, averse drug reactions and quality of life among patients treated with monotherapy, either with classic or with new generation AEDs, examining the potential gender differences. PATIENTS AND METHODS: A survey among 990 patients aged 16-64 with epilepsy was carried out in 32 Spanish hospitals (response rate: 96 %). For the purposes of this study patients treated with monotherapy (n = 496) were selected. The outcome variables were: effectiveness in seizure control, adverse drug reactions and three dimensions of the SF-36 questionnaire (vitality, mental health and self-perceived health status). RESULTS: 21 % of women and 8% of men were treated with new AEDs. Women were more likely to be treated with new generation AEDs. Moreover, age of epilepsy onset was also positively related to new AEDs and a gradient was found. Whereas no differences in effectiveness, adverse drug reactions or quality of life were observed among men, among women, those treated with new generation AEDs had less adverse drug reactions but, on the other hand, effectiveness for controlling seizures was lower. CONCLUSIONS: Women are more likely to be treated with new AEDs. Although these new treatments seem to have less adverse drug reactions among females, their effectiveness in controlling seizures are lower than that of classic AEDs.

Adolescent↗

Dentatorubropallidoluysian atrophy in a spanish family: a clinical, radiological, pathological, and genetic study.

UNLABELLED: The object was to describe the clinical, radiological, pathological, and genetic findings in a Spanish family with dentatorubropallidoluysian atrophy (DRPLA). This is an inherited neurodegenerative disease, well recognised in Japan, but with few cases reported from Europe and America and no cases published from Spain. The clinical misdiagnosis of Huntington's disease is not infrequent. Pedigree analysis and clinical data of a family were collected. A genetic study was performed in two patients. Pathological information was obtained from the necropsy of one patient. RESULTS: Pedigree analysis showed an autosomal dominant pattern of inheritance. Age at onset varied from 5 to 55 years. Ataxia and chorea were present in most of the members. Some of these had a long course disease with late dementia. Four patients had seizures and early mental impairment. In one patient, cranial MRI showed cortical, brain stem and cerebellar atrophy, and white matter changes. In another patient, necropsy showed atrophy of the globus pallidus and lipofuscin deposits in dentate and pallidal neuronal cells. Genetic study showed an abnormal CAG triplet expansion in the B37 gene on chromosome 12. As in other cases previously reported, Spanish cases of DRPLA show intrafamilial phenotypic heterogeneity. Clinical and MRI data could differentiate DRPLA from Huntington's disease but definitive diagnosis requires molecular studies. Pathological studies are still necessary to correlate DRPLA brain involvement with the clinical and molecular findings.

Adolescent↗

Islet cell antibodies and beta-cell function in gestational diabetic women: comparison to first-degree relatives of type 1 (insulin-dependent) diabetic subjects.

In order to further characterize women with islet cell antibodies (ICA) at the diagnosis of gestational diabetes (GDM), we aimed to compare titres and persistence as well as B-cell function with those of ICA+ first-degree relatives of Type 1 (insulin-dependent) diabetic subjects. Titres at detection of ICA were compared between 69 women with GDM and 53 relatives. Persistence of ICA positivity was investigated in 33 ICA+ gestational diabetic women and 39 relatives (mean follow-up: 13 months). Assessment of the acute insulin response, through an intravenous glucose tolerance test (IVGTT), was carried out in 9 ICA+ women with previous GDM and normal oral glucose tolerance, and their results were compared to those of a control group (9 women) and a group of 12 adult ICA+ relatives. In comparison with first-degree relatives, women with GDM had a higher ICA prevalence, especially with titres of < 20 JDF, and a similar persistence at follow-up. Women with ICA at diagnosis of GDM and normal oral glucose tolerance after pregnancy showed a decreased insulin response to glucose as compared to the control group. Results of the IVGTT closely paralleled those from adult ICA+ relatives. It is concluded that ICA+ gestational diabetic women share with ICA+ first-degree relatives of Type 1 diabetic subjects metabolic and immunologic disturbances.

Adolescent↗

Central nervous system disease in Sjögren's syndrome.

Our prospective study consisted of a general and neurological evaluation in 48 patients (41 females, 7 males; mean age: 58.2 years) with primary Sjögren's syndrome (PSS). We performed serologic studies and cranial magnetic resonance imaging (MRI). Main extraglandular features were arthralgias and non-erosive arthritis (37.5%). Raynaud (21%) and pulmonary fibrosis (12.5%). Antinuclear antibodies were positive in 42.5% and anti-SS-A (Ro) in 20%. Migraine (52%), neuropsychiatric disease (29%) and a past history of focal acute neurological deficits (23%), were the central nervous system (CNS) manifestations more frequently observed. Cranial MRI examination detected hyperintense small subcortical lesions in 51.3% of patients and in 36.6% of age and sex matched controls (P < 0.001). CNS disease was not serious concerning vital prognosis, but produced significant morbidity in some patients. Late onset "migraine-like" episodes with prolonged sensoromotor deficits and coexisting neuropsychiatric disease emerged as a characteristic clinical spectrum in those patients diagnosed in a neurological setting. Cranial MRI was frequently abnormal, but findings were not specific. Neurologic manifestations reminiscent of multiple sclerosis were rarely seen.

Aged↗

Value of immunologic testing in stroke patients. A prospective multicenter study.

BACKGROUND AND PURPOSE: The aims of this prospective and multicenter study were to determine the frequency of anticardiolipin and antinuclear antibodies in an unselected ischemic and hemorrhagic stroke population and to evaluate the clinical significance of these autoantibodies. METHODS: Over a 1-year period, we collected plasma from 481 consecutive patients with ischemic or hemorrhagic stroke attending four different hospitals. Blood (10 mL) was drawn from each subject into a citrated glass tube. Plasma was obtained immediately by centrifugation and was stored at -70 degrees C until use. Concentrations of IgM and IgG anticardiolipin antibodies were measured at room temperature in normal (not heat-treated) plasma by standardized enzyme-linked immunosorbent assay. All sera were treated by indirect immunofluorescence on mouse liver and kidney sections for antinuclear antibodies. RESULTS: A total of 481 patients (325 men, 156 women) 16 to 90 years in age (mean age, 61 years) were studied. Anticardiolipin antibodies were present in 5 of 481 (1.04%) patients. One patient was IgG positive and four patients were IgM positive. Of 481 patients, 35 (7.2%) were positive for antinuclear antibodies. Anti-DNA antibodies were not demonstrable in any patient. CONCLUSIONS: The frequency of anticardiolipin antibodies in a heterogeneous stroke population is possibly lower than reported. The routine screening of anticardiolipin and antinuclear antibodies in a stroke population is of questionable value.

Adolescent↗

Serum fructosamine is not a useful screening test for gestational diabetes.

Serum fructosamine was measured in 569 samples of pregnant women without gestational diabetes. We defined abnormal fructosamine as mean + 2SD, and analysed its potential value to detect patients with gestational diabetes diagnosed with current screening criteria. We found serum fructosamine to be an insensitive parameter: Measured at the time of a positive 50 g glucose screening, SF would have detected 4/48 gestational diabetes.

Blood Glucose↗

Activated T-lymphocytes in newly diagnosed type I diabetic patients: relationship to residual beta cell function.

The relationship between T-lymphocyte activation and residual beta-cell function was studied in 19 newly diagnosed Type I (insulin dependent) diabetic patients, aged 6-43 years, 7-10 days after beginning insulin therapy and once normoglycemia had been achieved. Residual beta-cell function was studied by measurement of plasma C-peptide concentration 6 minutes after intravenous glucagon administration. T-lymphocyte activation markers, HLA-DR/CD3 and interleukin-2 receptor (Tac) expression, were measured in peripheral blood mononuclear cells by dual- or single-colour flow cytometry. Six patients showed increased percentages of activated T lymphocytes (increased HLA-DR positivity in four patients, and an excess of Tac-positive cells in two). The mean percentage of activated T lymphocytes was higher in patients with stimulated C-peptide levels below 300 pmol/l (8.32 +/- 1.32%) than in those with plasma stimulated C-peptide above 300 pmol/l (3.93 +/- 0.49%), P less than 0.01, or controls (3.48 +/- 0.60%), P less than 0.01. Furthermore, the six patients with increased percentages of activated T lymphocytes were in the low stimulated C-peptide group. A negative correlation was found between the percentage of activated T lymphocytes and glucagon-stimulated C-peptide (r = -0.5877, P less than 0.01). We conclude that increased T-lymphocyte activation is associated with a higher impairment of beta-cell function at the onset of Type I diabetes mellitus.

Adolescent↗

Emphysematous pyelonephritis.

A case of emphysematous pyelonephritis which was diagnosed by conventional radiology and confirmed by ultrasonography, computed tomography, and surgery is described. The etiology and pathogenesis of this severe infection are discussed, and the usefulness of the various noninvasive radiologic methods for the diagnosis and management of the infection is reviewed.

Emphysema↗

A case of Charcot-Marie-Tooth disease mimicking Friedreich's ataxia: is there any association between friedreich's ataxia and Charcot-Marie-Tooth disease?

The authors report a case of Charcot-Marie-Tooth disease that mimicked Friedreich's ataxia and featured impaired tendon reflexes in the limbs, incoordination mimicking cerebellar disease in the extremities, extensor plantar responses on both sides, bilateral foot deformity, imparied position sense in the toes, absent vibratory sense in the distal parts of the legs and minimal distal weakness with wasting. Motor conduction velocity in the upper limbs was substantially reduced. Other cases similar in nature reported in the literature resemble spino-cerebellar degeneration in general, and Friedreich's ataxia, in particular. It is emphasized that the natural history, EMG, motor conduction velocity studies and examination of other affected members of the family permit the correct diagnosis to be made in such cases. It is also emphasized that patients similar to the one reported here may also resemble, and should be differentiated from, cases of familial dorsal column ataxia (Biemond type). Stress is put upon the fact that when Charcot-Marie-Tooth disease mimicks spino-cerebellar degeneration, substantial slowing of motor conduction in the upper limbs is generally sufficient to establish the diagnosis. The relation between Friedreich's ataxia an Charcot-Marie-Tooth disease is reviewed and it is concluded that these two disorders are distinct clinical and pathological entities.

Adolescent↗