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Biomedical subjects

S Abiko

Publications and source records attributed to S Abiko.

50 records · Page 3Linked to original sources

[Two cases of cerebral aneurysms combined with polycystic kidneys].

Two cases of cerebral aneurysm combined with polycystic kidneys (PCKs) were presented. Case 1, a 24-year-old hypertensive male, was referred to our clinic owing to sudden onset of severe headache at August 20, 1982. Neurological findings on admission were stuporous, right vitreous hemorrhage (so-called Terson's syndrome), and hypertension. CT scans showed subarachnoid hemorrhage, and right MCA bifurcation aneurysm with marked vasospasms by cerebral angiography was revealed. Intentional delayed operation with V-P shunt was performed. He discharged with mild left upper limb paresis, and visual impairment on the right. Bilateral PCKs were confirmed by postoperative DIP and CT scan. Case 2, a 51-year-old female, who suddenly complained of severe headache, was referred to our department 3 days after subarachnoid hemorrhage. One year previously, she had been pointed out PCKs. Neurological findings on admission at February 29, 1980, were drowsy, left third cranial nerve palsy, and hypertension. Cerebral angiography showed multiple aneurysms (bilateral IC-PC & A-com). Neck clipping (1-IC-PC & A-com) and coating (r-IC-PC) were performed at the next day of admission, and V-P shunt operation was followed about 8 weeks after first operation. About 2 weeks after discharge, she suddenly became loss of consciousness and expired. Autopsy revealed intracerebral hemorrhage in left basal ganglia and thalamus. Both kidneys were PCKs of Potter type 3 and cysts of the liver were also noted. In young hypertensive patients with cerebral aneurysms, it should be in mind whether PCKs may be combined or not, and cerebral angiography in PCKs were reasonable to find out harbored cerebral aneurysm.(ABSTRACT TRUNCATED AT 250 WORDS)

Adult↗

Chiasmal apoplexy. Report of four cases.

Four patients with chiasmal syndromes were found to have intrachiasmal hematomas. Computerized tomography scans showed high-density suprasellar masses in all cases. Cryptic vascular anomalies were presumed to be responsible for spontaneous bleeding into the chiasm in three of the cases. In the remaining case, hemorrhage was due to an occult optic glioma. Surgical evacuation of clotted blood resulted in improved visual function in three of the four cases.

Adolescent↗

Five-year follow-up study of patients with persistent vegetative state.

One hundred and ten patients with persistent vegetative state, were followed up for a period of five years from 1973 to 1978. Seventy-three per cent of the patients died during the period while about 10% of them recovered partially from the vegetative state. Among the recovered patients, only three became able to communicate, but two of these are not independent for their daily activites. Reactivity and clinical symptoms of 30 survivors were examined, but no great changes occurred during the last two years of the study.

Adult↗

[A case of "true" posterior communicating artery aneurysm (author's transl)].

A 57-year-old woman complained of severe headache and vomiting of a week's duration. Spinal tap showed bloody CSF and cerebral angiography revealed the "true" posterior communicating artery aneurysm. Left frontotemporal osteoplastic craniotomy and trapping of the aneurysm were performed on August 28, 1979. After operation right hemiplegia, left oculomotor palsy and the disturbance of consciousness developed. Postoperative CT scan showed a hemorrhagic infarction at the left basal ganglia. Since then she has been getting better and was discharged, able to walk, from our hospital 6 months after operation. We considered the anatomical importance of perforating arteries from posterior communicating artery and propose that true posterior communicating artery aneurysm should be classified separately from our experiences and literature.

Cerebral Angiography↗

Epidemiological studies on patients with a persistent vegetative state.

Persistent vegetative state after severe brain damage was studied epidemiologically in 110 cases from 1973 to 1976. The causes of brain damage were varied. More than one-third of the cases were due to trauma, and about one-fifth were the result of vascular accidents. Three year observation revealed that 65% of the patients died during this period. Mean survival time for dead patients was 38 months. Reactivity, clinical signs, EEG findings, methods of management, and results of various trials of treatment were investigated in connection with the patient's prognosis.

Adolescent↗