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Biomedical subjects

K Higa

Publications and source records attributed to K Higa.

At least 73 records · Page 4Linked to original sources
PubMed1981

[The diagnosis of left atrial thrombi by selective coronary arteriogram and two-dimensional echocardiogram (author's transl)].

In 14 patients with left atrial thrombi, coronary arteriography and real time, two-dimensional echocardiography were performed and compared with the surgical findings. Age of the patients with left atrial thrombi was relatively high, and their hemodynamic findings were severe. By the combined use of coronary arteriography and real time two-dimensional echocardiography, the prediction of left atrial thrombi was possible in 93%. Coronary arteriography provided a useful information as to the location of thrombi, especially in the left atrial appendage, while the size and shape of thrombi were not predictable by this method. On the contrary, two-dimensional echocardiography was useful to determine the size and shape of the thrombi.

Adult↗
PubMed1977

[A case of hypertensive intracerebral hemorrhage associated with cerebral arteriovenous malformation and aneurysm (author's transl)].

A 45-year-old man suddenly developed right hemiparesis and aphasia during work and lost conciousness next day, when he was admitted to us. Lumbar puncture showed bloody C.S.F. with the initial pressure of 220 mm H2O. Physical examination revealed hypertension and arteriosclerosis. Cerebral angiogram revealed an arteriovenous malformation in the left frontoparietal-parasagittal region and a saccular aneurysm at the left internal carotid-posterior communicating artery junction. In addition, the existence of putaminal hematoma was suspected on account of the displacement of the left anterior cerebral artery and the left lenticulostriate arteries. On the fourth day after admission his consciousness returned and the right hemiparesis gradually improved. One month later the disappearance of the displacement of the anterior cerebral artery was demonstrated by cerebral angiogram. A frontoparietal craniotomy was done and no hematoma was found around the arteriovenous malformation and the basis of the aneurysm did not adhere to the temporal lobe. Taking these findings into consideration, it is presumed that the hematoma in putaminal region was due to neither arteriovenous malformation nor aneurysm but was a hypertensive intracerebral hemorrhage.

Cerebral Hemorrhage↗
PubMed1977

[Intracranial neurinoma of jugular foramen--report of a case and reference, its clinical manifestations (author's transl)].

This is the 28th case report of jugular foramen neurinoma in the world. A 24-year-old man was admitted to our hospital with complaints of dizziness and impaired balance. Neurological examination revealed IX, XI and XII cranial nerves and cerebellar involvements, e.g., Brun's-Cushing nystagmus, curtain sign on the left, weakness of the left sternocleidomastoid muscle and deviation of the tongue to the left, accompanied with atrophy. Choked discs and other signs of increased intracranial pressure were not recognized. There were no cerebellar symptoms except impaired balance and nystagmus. Lateral view of vertebral angiography showed that the posterior inferior cerebellar artery was displaced backward and upward, the basilar artery was imposed to the clivus, and the superior cerebellar artery was elevated. A-P view of vertebral angiography showed that the posterior inferior cerebellar artery was displaced to the left. Enlargement of the left jugular foramen was revealed especially by tomograms of horizontal section at the level of 0.3 cm below the external acoustic meatus and 0.5 cm behind the external acoustic meatus. The jugular foramen margins were smooth and somewhat sclerotic. We confirmed the diagnosis of the jugular foramen neurinoma on the left. Suboccipital craniectomy confirmed a huge tumor which covered the left jugular foramen and the bulk of which was in the cisterna magna. These findings were supposed to explain that the patient did not show increased intracranial pressure. The tumor was encapsuled with smooth and thin capsule. This tumor was totally removed and the postoperative course was uneventful. Histological diagnosis was neurinoma. We consider that this tumor arose on the IXth or XIth cranial nerve.

Adult↗
PubMed1977

[The relation of intracranial air to C.S.F. rhinorrhoea in the traumatic pneumocephalus (intracerebral and ventricular) (author's transl)].

The relation of intracranial air to C.S.F. rhinorrhoea in our four cases, one intracerebral and the others intracerebral-ventricular pneumocephalus, were investigated on their clinical course, operative findings and RI-cisternographic findings. In the occurrence of the pneumocephalus, it seemed important for the damaged brain to herniate into the defect of the bone and dura matar. Clinically in the stage of an intracerebral pneumocephalus, the C.S.F. rhinorrhoea was not recognized as a rule. And next stage, the sudden effusions of C.S.F. appeared when the intracerebral pneumocephalus developed to the intracerebral-ventricular pneumocephalus.

Adolescent↗