Biomedical subjects
Publications and source records attributed to G A Merli.
The authors report of a patients operated for a double encephalic mass in the left posterior parietal region. This lesion resulted a tubercoloma at a later investigation. This pathology is relatively common in underdeveloped countries, declining in western countries. The authors emphasize the need of a careful evaluation in searching tuberculous infection in presence of encephalic granulomatous masses.
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The authors report their experience on treatment of posterior fossa epidural hematoma. They emphasize the role of a quick diagnosis, in times past often difficult, novadey easier with the aid of the CT.
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The Authors report 120 cases of protruded lumbar disc operated on by microsurgical technique over the last 3 years. The operating technique is summarized and the indications for this type of surgery are discussed. Both immediate and long-term results are reported. Five patients were re-operated on because of recurrence in the same interspace. As the follow-up revealed there were favourable results, regarding especially the disappearance of pain and resumption of working activity. Microsurgical Lumbar Discectomy (MLD) represents an improvement and a valid alternative to standard technique: it enables to remove the disc with a very limited local damage which means a shorter period of convalescence and a better aesthetic result.
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In 37 patients brainstem auditory evoked potentials were recorded within 48 hours from a mild head injury. About half of the patients had at least one abnormal neurophysiological parameter pointing to dysfunction of brainstem structure.
The authors tried to assess neurotic traits of 19 consecutive patients having micro-lumbar discectomy and to verify the relation between psychic distress and surgical outcome. All subjects had unequivocal clinical and myelographic evidence of lumbar disc herniation. Neurotic distress was measured by Middlesex Hospital Questionnaire (M.H.Q.) and was related to M.H.Q. scores of a control group. Subjective ratings of treatment effectiveness and residual pain, assessed by interview at one month after surgery, were related to psychometric data. Results of statistical analysis provided evidence that although M.H.Q. scores of patients group were different from controls' M.H.Q. scores with regard to the tendency to somatize, psychological disturbances played no role in determining outcome after discectomy. Authors suggest that whenever a reliable diagnosis of herniated disc together with correct operative approach are performed, neurotic mechanisms do not usually affect surgical outcome.
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