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Biomedical subjects

A Ambrosio

Publications and source records attributed to A Ambrosio.

At least 19 recordsLinked to original sources
PubMed1992

[Complications of intracranial neoplastic pathology].

Post-surgical complications in the treatment of intracranial tumors, independently of their location, are summarized in 5 essential points: a) edema; b) hemorrhages; c) ischemias; d) infections; e) alterations of the liquoral dynamics. According to our experience, it is possible to minimize these complications by using convenient intraoperative surgical procedures. On this subject, in addition to the traditional microsurgical techniques, the use of the high technologies (Cusa, laser) is very advantageous. In conclusion the important role of neuroanaesthesia and of the post-operative intensive care is underlined.

Brain Neoplasms↗
PubMed1991

Giant aneurysm of the calloso-marginal artery.

A giant aneurysm of the right callosomarginal artery is reported in a 3-month-old child. This location is rare: including our case reported here, only three cases have been described. Clinicoradiological findings are presented and the surgical procedure is illustrated.

Female↗
PubMed1990

Neurological and behavioral sequelae following different approaches to craniopharyngioma. Long-term follow-up review and therapeutic guidelines.

The criteria by which the operative approaches to craniopharyngioma are chosen are still controversial. The authors performed a retrospective analysis in 32 patients with craniopharyngioma who were surgically treated. Results of neurological and psychological tests administered during the follow-up period were correlated with the surgical approach. On the basis of these preliminary data and a maximum follow-up period of 10 years, the authors conclude that the subfrontal approach to the craniopharyngioma and partial removal of its solid part appears to be associated with a lower morbidity rate and minor frontal lobe disorders.

Adolescent↗
PubMed1990

An examination of change in reports of AIDS-related knowledge and attitudes in 1986 and 1988.

This study employed a cross-sectional design to examine change in AIDS-related attitudes, knowledge, and behaviors among students at a western university between 1986 and 1988. Analysis indicates that knowledge of how AIDS is transmitted improved. There was high association between attitudes to AIDS patients and attitudes towards homosexuals. Although attitudes towards individuals with AIDS did not change, attitudes towards homosexuals became more negative. Men reported more negative attitudes towards AIDS patients and towards homosexuals than did women. Most importantly, more students in 1988 reported changing their behavior than in 1986. These results are congruent with those from other investigations and suggest that AIDS-education campaigns and media attention to AIDS are working to change students' high-risk behaviors.

Acquired Immunodeficiency Syndrome↗
PubMed1989

Neurological and behavioral sequelae in children operated on for brain abscess.

In order to characterize neurological, intellectual and behavioral sequelae better after surgical treatment of brain abscess in childhood, 32 children were studied over a 10-year time span after treatment of a brain abscess. Depending on the clinical condition, surgical treatment consisted of simple aspiration through a burr hole or of total excision after craniotomy. There were only 3 postoperative deaths (9%). The scheduled time for long-term follow-up was 3 years after surgery. The patient assessment included information concerning the presence of seizures, accurate neurological examination, an EEG, and a battery of intellectual tests to evaluate the presence of behavioral-mental deficits. Late seizures developed in 7 of the 29 survivors. Five patients presented permanent hemiparesis after surgical treatment. It is noteworthy that the intellectual impairment observed was more severe in younger patients, while the behavioral disturbances were more marked in school-age children.

Adolescent↗
PubMed1989

EEG findings in minor head trauma as a clue for indication to CT scan.

In order to investigate the role of EEG in minor head traumata in the pediatric age, EEG and CT scan findings were compared in a series of 103 consecutive cases of children hospitalized within 24 h after head trauma. The EEGs were classified as normal in 50 patients, borderline in 10 patients, and abnormal in 43 patients. CT scan showed contusion in 6 patients and extracerebral hematoma in 4. All cases of abnormal CT scans were reported for patients with frankly abnormal EEG findings. In contrast, no pathological findings were found in CT scans for patients with normal EEG. The data suggest that EEG findings can play a major role in the diagnostic workup of patients with minor head traumata. Specifically, in the case of asymptomatic patients with normal EEG findings, it is likely that the CT scan will also be normal.

Adolescent↗
PubMed1976

Anthrax.

Explore the source record for details and available documents.

Anthrax↗
PubMed1975

[Extracranial angioma with dural participation].

Extracranial congenital arteriovenous malformations are often associated with dural and/or cerebral malformations. One case is presented. The angiography of the common carotid artery revealed no evidence of abnormal vessels into the internal or external carotid territory. The injection of contrast medium into an enlarged epicranial vein showed the extracranial malformation, well opacified; the phlebography revealed also a small dural malformation draining in the superior sagittal sinus. The Authors outline the importance of complete angiographic study in all the cases of extracranial vascular malformations even if the carotid angiography is apparently normal.

Angiography↗
PubMedDate not supplied

Intrathecal radioisotopes and phlebography in investigation of ventriculo-atrial shunts in children.

The Authors describe their experience in investigating the functioning and patency of ventriculo-venous shunts in hydrocephalic patients. They examined 41 hydrocephalic children with Pudenz valves, with radioisotope techniques. The radioactive tracers were administered by the lumbar route, by the ventricular route, or directly into the shunt. For lumbar or ventricular administration 131I-HSA, 99mTc-HSA and 169Yb-DPTA were used, whilst 99mTCO4 was the only isotope used for direct introduction into the shunt, effected by piercing the pump of the Pudenz system. The results of these investigations show that introduction of the isotope into the shunt allows obtaining morphological information, depending on the patency of the shunt and on the site of any obstruction. It also provides information about the functioning of the shunt, depending on the presence of hyper- or hypo-shunting. In cases where revision of the distal catheter might be necessary, moreover, phlebographic investigations of the superior vena cava were made. These proved to be particularly useful for indicating the patency of the affluent veins of the heart, thus enabling a precise surgical schedule to be planned prior to operation.

Cerebrospinal Fluid Shunts↗