[Piribedil test in cephalalgic syndromes. Diagnostic and therapeutic usefulness].
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Biomedical subjects
Publications and source records attributed to G Bussone.
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The intrathecal immune response is reported in a patient with cryptococcal meningoencephalitis. CSF IgM and IgG levels were significantly related to the favourable clinical evolution. IgM response was specifically directed against the pathological agent, while IgG were mostly non-specific. The data are discussed and compared with the other chronic infections of the central nervous system.
Clinical involvement of the peripheral nervous system in panarteritis nodosa is common, but the histological aspects are little known. We describe the sural nerve, muscle and skin biopsy findings in a patient with panarteritis nodosa, affected by mononeuritis multiplex. The data are compared to those reported in other types of vasculitis neuropathy.
Transverse myelitis after a zoster viral infection is an exceptional occurrence. In this case we documented an antibody activity against varicella zoster (V-Z) in the cerebrospinal fluid in association with Coxsackie A enterovirus. The clinical course was atypical because of a second episode of myelitis 2 years after the first episode of neurologic viral complications. The positive outcome of therapy with Acyclovir is noteworthy. This case was retrieved in a review of neurologic complications observed in the last few years in patient affected by zoster in our hospital.
We describe two cases of neurocysticercosis, the first with a spinal extramedullary form, the second with hydrocephalus secondary to basal cistern and convexity arachnoiditis. Praziquantel was given without evident benefit; this therapeutic response is discussed in relation to the clinical and radiological findings. The Italian literature is reviewed.
15 chronic cluster headache patients in whom pain was induced by nitroglycerin received acute intravenous treatment with a calcium entry blocker. At the time of peak pain we noted a sudden decrease after the Verapamil injection. The mechanism by which the calcium entry blocker afforded relief is unlikely to have been vasodilatation in patients whose blood vessels had just been dilated by nitroglycerin. A more probable mechanism is blockade of the release of the pain-inducing neurotransmitters. The vasodilatation phase is not a primary factor in the onset of pain.
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A case of cryptococcal meningoencephalitis, as presented by a hypertensive hydrocephalus, is described. To our knowledge, this is the 24th case described in Italy since 1953. The diagnosis was made with ventricular fluid examination: the patient was successfully treated with amphotericin B and 5-fluorocytosine, thus avoiding the risks of surgical treatment of hydrocephalus. Early diagnosis and proper therapy are necessary in order to decrease the high lethality of cryptococcosis.
The dopaminergic system seems to be involved in pain modulation. In a 1983 publication, the administration of a dopaminergic agonist has been proposed as a test able to distinguish migraine from other cephalalgia. In the present study, 123 people were tested, 102 of them being migraine patients and the others being normal subjects. The test showed highly specificity for headache patients when compared to normal subjects, and was highly specific for migraine patients when compared to headache patients. Data are discussed considering the clinical diagnostic value, pathophysiological and therapeutic aspects.
The effect of the opiate antagonist naloxone was evaluated in 11 unselected patients with cerebral ischemia. Naloxone reversed neurological deficits in the 4 patients with less evident signs of vascular damage.
BAEPs have been studied in a group of 20 migraine subjects before and after chronic flunarizine treatment. No statistically significant modifications of neurophysiological parameters have been observed. We confirm flunarizine effectiveness in migraine treatment.
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A case of a progressive disease with epilepsy, marble skin, and roentgenographic evidence of tapering of the distal carotid branches with corticomeningeal angiomatosis was studied. The clinical course, angiographic findings, and skin biopsy results justified the diagnosis of noncalcifying venous capillary angiomatosis, or Divry-Van Bogaert syndrome.
PRL response to morphine in a group of migraine subjects was studied in the baseline condition and after neuroendocrinological inhibition and stimulation tests. No significant differences were found in comparison with control subjects. This demonstrated the integrity of the opioid system and serotoninergic pathways in migraine subjects.