[Paediatric neurology health care activity in a tertiary hospital. A study comparing it with adult neurology and non-neurological paediatrics]. / Actividad asistencial de la neurología pediátrica en un hospital de nivel 3. Estudio comparativo con la neurología de adultos y la pediatría no neurológica.

INTRODUCTION: Paediatric neurology (PN) remains 'hidden' somewhere between paediatrics and neurology in almost all health care centres and this makes it difficult to allocate resources in a proper manner. AIMS: Our objective in this study was to analyse PN health care activity and compare it with adult neurology (AN) and with non-neurological paediatrics (NNP). MATERIAL AND METHODS: PN health care activity registry for the year 2002. AN and NNP data were collected from the hospital's Computer Service. RESULTS: In all, 1300 PN visits were made, 428 of which were new and 872 successive, which represent 16.2% of paediatric visits (30% new, 13.3% successive) and 10.3% of neurological visits (12.4% new, 10.2% successive). The rates of new and successive visits in PN are: 32.6, 10.7 and 21.9 per 1000 children, and in AN: 44.2, 12.5 and 31.7 per 1000 adults. A total number of 94 hospitalised children were attended, 3.3% of all paediatric admissions and 9.2% of the total neurological attention in inpatients. The rates are 2.36 per 1000 children in PN and 3.9 per 1000 adults in AN. There is greater demand among smaller children. The most frequent pathologies are headaches in clinical visits and epilepsy in hospitalised patients. CONCLUSIONS: PN is essentially a service used by outpatients. It accounts for a high percentage of hospital paediatric visits. The activity rates per 1000 children and per 1000 adults are similar. The increased birth rate raises PN activity to a level that is higher than would normally be desirable, due to the growth in the population.

Spinal cord injury after electrical trauma treated in a burn unit.

OBJECTIVE: To analyse the incidence, diagnosis and outcome of spinal cord injury in patients with electrical injuries. PATIENTS AND METHODS: Retrospective analysis of patients with electrical injuries admitted to our Intensive Care Burn Unit over a 5 year period. Among 435 admissions, 57 (13.1% of all admissions) were electrical injuries, due to either electrical flash (n = 34) or high voltage (n = 23). Two cases (8.6% of high voltage injuries) presented signs of spinal cord injury. Both cases presented an acute transverse myelopathy, involving the pyramidal tract, the posterior cords and the spinothalamic tract, causing a pyramidal syndrome with abnormal sensation and involvement of posterior cords, one with paraplegia and the other one with quadriplegia. Diagnoses were made 1 and 2 weeks after admission, respectively, when sedation was discontinued and neurological signs could be appreciated. Computerised axial tomography and nuclear magnetic resonance were normal in both cases at the moment of diagnosis. Both patients experienced a slow but progressive improvement of their neurological condition, and remain presently in a rehabilitation program 15 and 18 months after trauma. DISCUSSION: Our cases illustrate (i) that damage to the spine is not infrequent after electrical injury, (ii) the difficulty in making the diagnosis of spinal cord injury after electrical trauma, and (iii) the importance of early diagnosis to define neurological prognosis and start available therapies as soon as possible.

A new clinical tool for gait evaluation in Parkinson's disease.

This study was devised to check the feasibility and validity of a rating scale specifically designed to evaluate gait impairment in Parkinson's disease (RSGE). Demographic data, a brief questionnaire on general aspects influencing gait and mobility, a battery of scales (Barthel Index; Hoehn and Yahr staging; and Northwestern University Disability, Schwab and England, and Unified Parkinson's Disease Rating Scale [UPDRS]), and timed tests ("Up and Go" and "Steps x Seconds" tests) were recorded under protocol, as was the RSGE-Version 1.0 (23 items in four subscales). Fifty patients enrolled at two centers were included. Twenty-five (50%) were simultaneously (though independently) evaluated by three examiners, in order to determine the interrater reliability. The mean age of the patients was 67.6 +/- 11.16 years, with a mean 8.18 +/- 5.58 years of disease duration. Motor fluctuations were present in 48% of patients. The RSGE Cronbach's alpha was 0.94. Only the item "Dyskinesias" was not correlated with the RSGE total sum. The item "Axial rigidity" showed a fair interrater reliability (kappa = 0.30). However, most of the RSGE items (16/23, 70%) had kappa > or = 0.65. The convergent validity with the applied scales was very high (Spearman r = 0.74-0.90, p < 0.001). The highest correlation (0.90) was obtained with the UPDRS. Also, the RSGE correlation with timed tests was very satisfactory ("Up and Go" = 0.81; "Steps x Seconds" = 0.70; both, p < 0.001). Factor analysis of the RSGE disclosed four dimensions explaining 68% of the variance. The RSGE-Version 1.0 proved to be a valid instrument. The reliability of some items has to be improved, however.

Intermediate scale for assessment of Parkinson's disease. Characteristics and structure.

The present study is devoted to the verification of the basic metrical characteristics of the ISAPD. One hundred and sixty-seven Parkinson's disease (PD) patients were included. Group A (n = 40) was simultaneously assessed by five raters who applied the ISAPD and other PD rating scales (PDRS). A set of timed tests, the MiniMental State Examination (MMSE) and the Hamilton Scale for Depression (HSD) were administered by an independent examiner. Group B (n = 127) was individually assessed through the UPDRS and the other PDRSs by separate neurologists in four different hospitals. The ISAPD was administered in 7.0 +/- 3.7 min. The internal consistency of this scale was high (Cronbach's alpha = 0.97). The inter-rater reliability of their items was very satisfactory (for all items, kappa > 0.70). There was a high correlation with the Hoehn and Yahr classification (r(s) = 0.71; p < 0.001) and some timed tests. The convergent validity with the other PDRS (UPDRS and Schwab and England Scale) was also very high (r(s) = 0.83-0.92; p < 0.001). The ISAPD also correlated with the MMSE and the HSD. Factor analysis identified three factors (activities of daily living; gait and mobility; speech and eating) that explained 76% of the variance. The ISAPD is an easy to apply, reliable, and valid scale that fulfills the aim for which it was designed.

[Etiology of epileptic crises in the geriatric patient. Results of a retrospective study]. / Etiología de las crisis epilépticas en el paciente geriátrico. Resultados de un estudio retrospectivo.

We studied the etiology of seizures in 46 patients who developed seizures after age 65 years. The most frequent cause was cerebrovascular disease, accounting for 41.3% of all cases. Clinical diagnosis of Alzheimer's disease was made in 5 patients (10.8%). Other etiologies were; metabolic encephalopathies in 6.5%, craniocerebral trauma in 4.3% and glioma in 2.1%. The etiology of seizures remained unknown in 34.7%. They had generalized tonic-clonic seizures in 48%. They were partial or partial secondarily generalized in 44.1%. The role of Alzheimer's disease in late onset seizures has not been important enough in previous studies. We believe that a well-designed prospective study will let us know the real frequency of the causes of seizures in the elderly.