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Biomedical subjects

M L Delodovici

Publications and source records attributed to M L Delodovici.

8 recordsLinked to original sources

Dyskinesia of vascular origin. Clinical data and response to therapy in 7 cases.

Seven patients with dyskinesia due to cerebrovascular lesions are described. They presented hemichorea, hemiballism and focal dystonia; the site(s) of the lesion responsible, as defined by MRI (magnetic resonance imaging) or CT (computerized tomography) scan were the putamen, the caudatus, the thalamus and the subthalamic body of Luys. Data of similar cases in the literature are reviewed with reference to the location of the responsible lesions, which can aid in predicting the outcome of illness or prescribing treatment.

Adult↗

Clinical value of the pudendal somatosensory evoked potential.

The pudendal evoked potential was recorded in 126 patients who had presented with various uro-genital complaints. The patients were divided into two groups depending on whether or not there were clinical signs of neurological disease. Group I consisted of 83 patients (66%) who on clinical examination were neurologically normal. In group II there were 43 patients (34%) who had physical signs suggesting underlying neurological pathology. The pudendal evoked potential was abnormal in 10 patients from the group with neurological signs (group II) but only 1 patient from group I (a man who had made an excellent recovery from previous transverse myelitis). The conclusion of this study is that the pudendal evoked potential is of no greater value than the clinical examination in the assessment of patients with uro-genital dysfunction. The recommendation that the potential should be recorded as part of the routine assessment of patients suspected of having a neurogenic disorder of the bladder and sexual function should be reconsidered.

Adolescent↗

Hypothyroidism and polyneuropathy.

The prevalence and characteristics of polyneuropathy were assessed using standard clinical and electrophysiological criteria in 39 consecutive outpatients with primary hypothyroidism, 15 of whom were previously untreated. Subjective complaints, mainly paraesthesiae, were recorded from 25 cases (64%) and objective findings supporting a clinical diagnosis of polyneuropathy were present in 13 (33%). Using standard electrophysiological criteria, a definite diagnosis of polyneuropathy was made in 28 cases (72%). The commonest sites of abnormal nerve conduction were the sensory nerves, especially the sural nerve. Polyneuropathy was generally mild. None of the clinical and biochemical indicators of hypothyroidism were significantly correlated with the electrophysiological signs of peripheral nerve impairment or the diagnosis of polyneuropathy.

Adolescent↗

Ataxic hemiparesis syndrome: sensory disturbances and somatosensory evoked potentials.

26 patients with ataxic hemiparesis syndrome (AHS), due to acute ischemic cerebrovascular disease, have been submitted to clinical and electrophysiological evaluation, in order to assess the frequency of sensory disturbances in this condition. Sensory impairment were present in 78% and SEP abnormalities in 54% of the patients, while they were entirely absent in 23% of them. Lesions responsible for AHS, detected by CT scan, were mainly located in the thalamus, capsula interna, subcortical white matter, centro parietal cortex; sensory and SEP changes were more frequent in gross infarct involving the cortex and in smaller infarcts involving the thalamus, less frequent in the lacunar infarcts of the capsula interna and subcortical white matter, relatively rare in patients with CT scan without hypodense lesions. Although a statokinesthesic defect and/or major SEP abnormalities were often present (38% of patients), our findings do not support the view that they are involved in the pathogenesis of the ataxia, which may rather be attributed to a derangement of cerebro-cerebellar and cerebello-cerebral connections.

Aged↗

Intracerebral hemorrhage following intravenous administration of epinephrine.

We report a case of intracerebral hemorrhage (ICH) in a young man following intravenous self-administration of epinephrine. Arteriography evidenced normal intracranial vessels, and namely excluded the presence of vascular malformations which could have been implicated in the pathogenesis of ICH. We believe that the main pathogenetic agent in this case was the sudden rise in arterial blood pressure. This report aims at underlying the severe implications of non-medical use of sympathomimetic drugs.

Adult↗