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-The aim of this study was to evaluate clinical and neuropsychological findings in children with suspicion of attention deficity hyperactivity disorder (ADHD). The assessment involved 150 children aged 7 to 14 referred to NANI at UNIFESP. Results: 75 children (55 M and 20 F) fulfilled the criteria for ADHD, among which 35 were of the inattentive type, 28 of combined type and 12 were hyperactive/impulsive. There was negative correlation between the digit score and the Corsi test. Children with hyperactivity and impulsivity had a low performance for functional memory. Children with oppositional defiant disorder presented pattern changes in adaptability when there was a change in the rhythm the stimuli were presented and lower adaptation to time variability (Hit RT), in addition to higher rates of omission in the continuous performance test. Conclusion: This study suggests multiple interrelations between the scores of neuropsychological battery useful for detailed delimitation of the clinical profile of children with ADHD.KEy woRDS: attention deficit disorder, children, hyperactivity, multidisciplinary, comorbities. perfil clínico e neuropsicológico de crianças com transtorno do deficit de atenção e hiperatividadeResumo -o objetivo deste trabalho foi delimitar indicadores clínicos e neuropsicológicos em crianças com suspeita de transtorno do déficit de atenção e hiperatividade (TDA/H). Foram avaliadas 150 crianças (idade de 7 a 14 anos) encaminhados ao NANI da UNIFESP. Resultados: 75 crianças (55 M e 20 F) preenchiam os critérios para o TDA/H, dentre os quais 35 (46,6%) pacientes eram desatentos, 28 do tipo combinado e 12 do tipo hiperatividade/impulsivo. observou-se correlação negativa com o escore de dígitos e no escore do teste de Corsi. Crianças com hiperatividade e impulsividade apresentaram baixo desempenho nas funções relacionadas à memória operacional. Crianças com transtorno opositor desafiante apresentaram alterações nos padrões de adaptação às mudanças do ritmo com menor adaptação às variações do tempo de exposição aos estímulos (Hit RT), além de maiores taxas de omissão no teste contínuo de performance. Conclusão: Este estudo sugere múltiplas interrelacões entre os escores em provas neuropsicológicas que são úteis para uma delimitação do perfil clínico de crianças com TDAH.PAlAvRAS-CHAvE: transtorno do déficit de atenção, crianças, hiperatividade, multidisciplinar, comorbidades. The attention deficit hyperactivity disorder (ADHD) is one of the most frequent neurodevelopmental disorders, with an estimated occurrence of 3% to 5% in schooling children 1,2 . Such oscillation is partially due to the heterogeneity and complexity of the required criteria for a precise diagnosis, which involves neuropsychological aspects as well as the delimitation of organic and neurobiological bases 3,4 . Environmental risk factors are considered fundamental in epidemiological studies on ADHD because socio-demographic variables such as the number of siblings, educational level of the family, comorbities with neuropsy...

Objective: To evaluate a group of spinocerebellar ataxia type 3 (SCA3) or Machado-Joseph disease (MJD) (SCA3/MJD) patients and assess whether there is an association between neuropathy and serum ferritin levels and restless legs syndrome (RLS). Methods: Twenty-six SCA3/MJD patients underwent electromyography studies to check for neuropathy. Their serum ferritin levels were measured as well. These findings were evaluated based on the presence or not of RLS and its severity. Results: The proportion of neuropathy in the RLS group was not significantly higher compared to the non-RLS group (23 vs. 15%, Fisher’s exact test, p = 1.000). Furthermore, no association was found between RLS and ferritin levels. Conclusion: We found no correlation between neuropathy or ferritin levels and RLS in SCA3/MJD patients.

Objective: Neuropathy is a well-recognized feature in spinocerebellar ataxia type 3 (SCA3) or Machado-Joseph disease (MJD), but the pattern of neuropathy is still a matter of debate. This study aimed to evaluate peripheral nerve involvement in MJD patients. Neurophysiological and clinical data were analyzed to distinguish neuronopathy from length-dependent distal axonopathy. Methods: In the present study we evaluated 26 patients with clinical and molecular-proven MJD and investigated their peripheral nerve involvement. Neurophysiological and clinical data were compared and correlated aiming to distinguish neuronopathy from distal axonopathy. Results: The neurophysiological evaluation showed that 42.3% of the patients had polyneuropathy. Among these patients, 81.8% presented neuronopathy. Conclusion: We concluded that neuronopathy is the most common form of peripheral nerve involvement in MJD patients.

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