abstract：:A survey of 89 patients with subdural empyema was conducted to assess the incidence of late seizures and morbidity in this disease. Twenty-four patients died during the acute stage of the illness and, of the 65 survivors, 13 were lost or had incomplete follow-up review. Hemiparesis occurred in 48 of the survivors duri...

journal_title：Journal of neurosurgery

authors： Cowie R,Williams B

更新日期：1983-04-01 00:00:00

abstract：:An implantable device for measurement of cerebrospinal fluid (CSF) flow in a ventriculoperitoneal shunt tube has been developed. The unit is energized by an extracorporeal high-frequency generator (200 KHz), and electrolysis creates bubbles in the shunt tube. Velocity of bubble flow is detected by a pair of ultrasonic...

journal_title：Journal of neurosurgery

authors： Hara M,Kadowaki C,Konishi Y,Ogashiwa M,Numoto M,Takeuchi K

更新日期：1983-04-01 00:00:00

abstract：:The ocular complications of intracarotid infusion of drugs for brain-tumor chemotherapy may be eliminated by infusion of the chemotherapeutic agent into the carotid artery above the origin of the ophthalmic artery. The authors have developed a catheter that can negotiate the carotid siphon. This catheter is not balloo...

journal_title：Journal of neurosurgery

authors： Kapp JP,Ross RL,Tucker EM

更新日期：1983-04-01 00:00:00

abstract：:The authors have created an experimental model of regional cerebral ischemia in gerbils that is reproducible and has a low mortality rate. In gerbils, either the posterior communicating artery (PCoA) or the middle cerebral artery (MCA) was occluded, and the distribution of cerebral ischemia from each surgical procedur...

journal_title：Journal of neurosurgery

authors： Yoshimine T,Yanagihara T

更新日期：1983-03-01 00:00:00

abstract：:Pathological findings in 20 cases of glioblastoma multiforme were correlated with clinical histories and computerized tomographic (CT) scans. This was done to define the neoplasm in three stages: before treatment, during remission, and during recurrence. The untreated lesions were markedly cellular neoplasms composed ...

journal_title：Journal of neurosurgery

authors： Burger PC,Dubois PJ,Schold SC Jr,Smith KR Jr,Odom GL,Crafts DC,Giangaspero F

更新日期：1983-02-01 00:00:00

abstract：:A case is reported of a patient in whom an intracranial extracerebral melanoma developed in association with a life-long nevus of Ota. Melanotic pigmentation of the skull, periosteum, and meninges beneath the nevus was found at operation. ...

journal_title：Journal of neurosurgery

authors： Sagar HJ,Ilgren EB,Adams CB

更新日期：1983-02-01 00:00:00

abstract：:A randomized double-blind placebo-controlled study was carried out to determine whether phenytoin administered soon after injury lessens the incidence of epilepsy in the 1st week after severe head trauma. In this study, 244 patients were randomized into either a phenytoin or placebo group. The patients in the phenytoi...

journal_title：Journal of neurosurgery

authors： Young B,Rapp RP,Norton JA,Haack D,Tibbs PA,Bean JR

更新日期：1983-02-01 00:00:00

abstract：:Clinical assessment of patients with subarachnoid hemorrhage (SAH) is important both in determining management and in predicting outcome. A previous report showed considerable observer inconsistency when patients were graded with either the Hunt and Hess or the Nishioka system. This study evaluates observer variabilit...

journal_title：Journal of neurosurgery

authors： Lindsay KW,Teasdale GM,Knill-Jones RP

更新日期：1983-01-01 00:00:00

abstract：:The authors have analyzed retrospectively a series of 288 consecutive patients with severe head injury observed between January, 1977, and May, 1980. Seventy-three patients were excluded as not being compatible with those of the International Data Bank. The remaining 215 patients complied with the definition of coma g...

journal_title：Journal of neurosurgery

authors： Levati A,Farina ML,Vecchi G,Rossanda M,Marrubini MB

更新日期：1982-12-01 00:00:00

abstract：:Secondary operations for the removal of retained bone fragments have been performed in 116 of the 1133 casualties with craniocerebral missile wounds incurred in the war in Vietnam, 1967 to 1970. Various complications developed in 19 of these 116 casualties. Dehiscence of the wound occurred in eight patients, five of w...

journal_title：Journal of neurosurgery

authors： Meirowsky AM

更新日期：1982-11-01 00:00:00

abstract：:A 48-year-old laborer presented with a 1-year history of low-back pain radiating into the posterior aspects of both thighs. Two weeks before admission, acute exacerbation resulted in signs and symptoms of compressive radiculopathy at L-5. Myelography revealed concentric constriction of the lower thecal sac due to abun...

journal_title：Journal of neurosurgery

authors： Archer CR,Smith KR Jr

更新日期：1982-10-01 00:00:00

abstract：:A method of regulating flow rate through cerebrospinal fluid (CSF) shunts with the addition of a flow-regulating device (FRD) is reported. The FRD consists of a small-caliber (0.4 mm) Teflon tube placed in the usual connector. This device has the advantage of converting the original shunt valves to valves for higher-r...

journal_title：Journal of neurosurgery

authors： Yamada H

更新日期：1982-10-01 00:00:00

abstract：:The intracranial pressure-volume (PV) relationship was examined postoperatively after removal of brain tumors in two groups of patients (13 in all). Changes of ventricular fluid pressure were analyzed by a method involving fluid injection into the lateral ventricle. A technique has been developed which provides quanti...

journal_title：Journal of neurosurgery

authors： Paltsev EI,Sirovsky EB

更新日期：1982-10-01 00:00:00

abstract：:A rare case of multiple primary hydatid cysts of the brain is reported in a 9-year-old girl. There were five cysts, occupying most of the right supratentorial region. The biggest cyst measured 9 cm across, while the smallest one was 4.5 cm in diameter. The diagnosis was based on computerized tomography findings. The p...

journal_title：Journal of neurosurgery

authors： Sharma A,Abraham J

更新日期：1982-09-01 00:00:00

abstract：:Intraoperative recordings of conducted bipolar epidural somatosensory evoked potentials (SEP's) generated by unilateral common peroneal nerve stimulation have been obtained in 27 patients. The SEP's were multiphasic, 0.3 to 1.5 microV in amplitude, and recorded in 100% of patients with normal cords or in patients with...

journal_title：Journal of neurosurgery

authors： Macon JB,Poletti CE

更新日期：1982-09-01 00:00:00

abstract：:A patient with hydrocephalus due to aqueductal stenosis suffered facial pain which was relieved after the insertion of a ventriculoperitoneal shunt. The trigeminal somatosensory evoked response (TSER) of the affected side showed lower amplitudes and longer latencies as compared to the unaffected side. Following surger...

journal_title：Journal of neurosurgery

authors： Findler G,Feinsod M

更新日期：1982-08-01 00:00:00

abstract：:The authors report their investigation of the effects of high-dose barbiturates on the multimodality evoked response in 9 cats. After baseline evoked responses were obtained, boluses of pentobarbital were infused intravenously at regular intervals, amounting to cumulative total doses of 9, 18, 27, 45, 63, 123, and 183...

journal_title：Journal of neurosurgery

authors： Sutton LN,Frewen T,Marsh R,Jaggi J,Bruce DA

更新日期：1982-08-01 00:00:00

abstract：:To define the site, degree, and dynamics of mechanical compression of the spinal nerve roots, pressure was measured in 42 patients with clinical symptoms and myelographic findings indicating central lumbar spinal stenosis. Pathological pressure on the cauda equina was found in 67% of the patients. The pressure in the ...

journal_title：Journal of neurosurgery

authors： Magnaes B

更新日期：1982-07-01 00:00:00

abstract：:The water in normal and edematous brain tissues of rats was studied by the pulse nuclear magnetic resonance (NMR) technique, measuring the longitudinal relaxation time (T1) and the transverse relaxation time (T2). In the normal brain, T1 and T2 were single components, both shorter than in pure water. Prolongation and ...

journal_title：Journal of neurosurgery

authors： Naruse S,Horikawa Y,Tanaka C,Hirakawa K,Nishikawa H,Yoshizaki K

更新日期：1982-06-01 00:00:00

abstract：:A number of reports have shown that epidural or intrathecal administration of morphine provides pain relief. Since February, 1981, the authors have used an implantable pump and epidural catheter for continuous epidural morphine infusion in patients with chronic pain. This system has functioned well, without respirator...

journal_title：Journal of neurosurgery

authors： Harbaugh RE,Coombs DW,Saunders RL,Gaylor M,Pageau M

更新日期：1982-06-01 00:00:00

abstract：:The therapeutic application of barbiturate-induced coma was evaluated in a primate model of focal cerebral ischemia. A standardized regimen of pentobarbital was used, and the times of initiation of administration were varied following a 6-hour middle cerebral artery occlusion in baboons. Three groups of five animals w...

journal_title：Journal of neurosurgery

authors： Selman WR,Spetzler RF,Roski RA,Roessmann U,Crumrine R,Macko R

更新日期：1982-05-01 00:00:00

abstract：:Barbiturates were administered to normal dogs, establishing an isoelectric electrocorticogram. Cortical cerebral blood flows (CBF) and deeper CBF's were respectively measured by krypton-85 (85Kr) and xenon-133 (133 Xe). Following barbiturate administration, the two methods of measuring CBF showed a poor coefficient of...

journal_title：Journal of neurosurgery

authors： Laurent JP,Lawner P,Simeone FA,Fink E

更新日期：1982-04-01 00:00:00

abstract：:The authors present a case of acoustic neuroma associated with spontaneous hemorrhage. The sudden onset of new symptoms was noted and appears to be common to all such cases. The computerized tomography appearance of the mass underwent changes consistent with the clinical, surgical, and pathological findings. ...

journal_title：Journal of neurosurgery

authors： Castillo R,Watts C,Pulliam M

更新日期：1982-03-01 00:00:00

abstract：:To test the hypothesis that concussive brain injury interferes with the normal vasodilator response of the cerebral circulation to hypoxemia, 30 cats were subjected to mild (PaO2 50 mm Hg) and severe (PaO2 30 mm Hg) hypoxemia while measurements were made of arterial and intracranial pressure, regional cerebral blood f...

journal_title：Journal of neurosurgery

authors： Lewelt W,Jenkins LW,Miller JD

更新日期：1982-03-01 00:00:00

abstract：:The authors report a case of ossification of the ligamentum flavum at T-10 and T-11 associated with compressive myelopathy. Metrizamide myelography with computerized tomography allowed precise preoperative diagnosis and anatomic localization of the lesion. The patient had satisfactory and prompt improvement after surg...

journal_title：Journal of neurosurgery

authors： Omojola MF,Cardoso ER,Fox AJ,Drake CG,Durward QJ

更新日期：1982-03-01 00:00:00

abstract：:A case is reported in which a fibrosarcoma developed 20 years after irradiation of a pituitary chromophobe adenoma. This rare lesion, like most of the other documented postirradiation pituitary sarcomas, was a combination of fibrosarcoma and pituitary adenoma. These lesions tend to behave in a characteristic fashion, ...

journal_title：Journal of neurosurgery

authors： Pieterse S,Dinning TA,Blumbergs PC

更新日期：1982-02-01 00:00:00

abstract：:Local experimental subarachnoid hemorrhage (SAH) was produced over the cerebral cortex in 15 cats. The cellular response was monitored using ion-specific electrodes for extracellular potassium (K+) and calcium (Ca++) activity, DC cortical potential, and electrocorticogram. The response was characterized by a profound ...

journal_title：Journal of neurosurgery

authors： Hubschmann OR,Kornhauser D

更新日期：1982-02-01 00:00:00

abstract：:A case is presented of a woman who was shot in the left occipital area with a .32 caliber automatic pistol. She was neurologically intact on admission, and skull x-ray films revealed the bullet in the right suboccipital area. On the 2nd day of the admission she developed Lhermitte's sign. Repeat films showed that the ...

journal_title：Journal of neurosurgery

authors： Arasil E,Taşçioğlu AO

更新日期：1982-01-01 00:00:00

abstract：:Arteriovenous malformations (AVM's) of the medial temporal lobe frequently involve the basal ganglia and the thalamus and, for this reason, are commonly judged to be inoperable. However, when the medial involvement is limited to the posterolateral part of the thalamus and to the inferior portion of the basal ganglia l...

journal_title：Journal of neurosurgery

authors： Heros RC

更新日期：1982-01-01 00:00:00

abstract：:The authors describe a case of nontraumatic atlantoaxial dislocation secondary to acute rheumatic fever, in which there appeared to be fibrous fusion between the axis and the atlas in the subluxed position. The dislocation was reduced by means of combined traction and steroid therapy. Fibrous fusion occurred in the re...

journal_title：Journal of neurosurgery

authors： Lucas JT,Hungerford GD,Perot PL Jr

更新日期：1982-01-01 00:00:00

abstract：:Traction injury to the optic nerve and vasa nervorum is the suggested etiology for monocular blindness following trivial frontal trauma. Holographic interferometry was used on human skulls to demonstrate orbital deformation in response to nondestructive frontal loading. The findings suggest an additional mechanism for...

journal_title：Journal of neurosurgery

authors： Gross CE,DeKock JR,Panje WR,Hershkowitz N,Newman J

更新日期：1981-12-01 00:00:00

abstract：:Delayed cerebral vasospasm is an important determinant of the clinical outcome after subarachnoid hemorrhage, but its prevention and treatment has met with limited success. Since cerebral arteries were found to be sensitive to the vasoconstrictor effect of angiotensin II, the possibility of angiotensin's contribution ...

journal_title：Journal of neurosurgery

authors： Gavras H,Andrews P,Papadakis N

更新日期：1981-12-01 00:00:00

abstract：:A stereotaxic technique has been developed to cannulate the cerebral aqueduct in patients with hydrocephalus resulting from occlusion of the aqueduct of Sylvius. Precise placement of a 15- to 20-mm long radiopaque prosthesis between the third and fourth ventricles can reestablish the normal cerebrospinal fluid (CSF) p...

journal_title：Journal of neurosurgery

authors： Backlund EO,Grepe A,Lunsford D

更新日期：1981-11-01 00:00:00

abstract：:Experimental cerebral vasospasm was produced in the canine basilar artery by an intracisternal injection of fresh autogenous arterial blood, and prostaglandins generated in spastic and nonspastic arteries were assessed by thin-layer chromatography. Prostaglandins synthesized in normal arteries were 6-keto-prostaglandi...

journal_title：Journal of neurosurgery

authors： Maeda Y,Tani E,Miyamoto T

更新日期：1981-11-01 00:00:00

abstract：:The incidence of extracranial internal carotid artery (ICA) abnormalities, namely kinks, coils, and stenoses, was evaluated in a consecutive unselected series of 76 cases of single supratentorial saccular aneurysms submitted to bilateral carotid angiography. These patients were compared with a control group of 120 pat...

journal_title：Journal of neurosurgery

authors： Spallone A,Cantore G

更新日期：1981-11-01 00:00:00

abstract：:A large, highly ossified craniopharyngioma was diagnosed and surgically treated in a 2-year-old girl. About 20 teeth were macroscopically identified in the operative specimen, some of them totally developed, complete with crown and root. Pathological study established the diagnosis of craniopharyngioma with formation ...

journal_title：Journal of neurosurgery

authors： Alvarez-Garijo JA,Froufé A,Taboada D,Vila M

更新日期：1981-11-01 00:00:00

abstract：:Symptomatic cysts of the septum pellucidum are rare. Up to 1969, 17 published cases were considered to be symptomatic. In the case report here, a 9-week-old girl was hospitalized because of disproportionate progressive enlargement of the head, lumbar myelomeningocele, and a history of generalized seizures. A giant sep...

journal_title：Journal of neurosurgery

authors： Garza-Mercado R

更新日期：1981-10-01 00:00:00

abstract：:The author presents a follow-up review of 61 patients with subarachnoid hemorrhage (SAH) and at least two intracranial artery aneurysms in whom only the ruptured aneurysm had been clipped. During a 10-year follow-up period, seven patients bled from a previously unruptured aneurysm; four of the hemorrhages were fatal. ...

journal_title：Journal of neurosurgery

authors： Heiskanen O

更新日期：1981-10-01 00:00:00

abstract：:A consecutive series of 32 adult patients with chronic subdural hematoma was studied in respect to postoperative cerebral reexpansion (reduction in diameter of the subdural space) after burr-hole craniostomy and closed-system drainage. Patients with high subdural pressure showed the most rapid brain expansion and clin...

journal_title：Journal of neurosurgery

authors： Markwalder TM,Steinsiepe KF,Rohner M,Reichenbach W,Markwalder H

更新日期：1981-09-01 00:00:00

abstract：:Ventricular asymmetries after shunt surgery were studied. Right and left ventricular areas from pre-and postoperative computerized tomography scans were measured with a computer digitizing technique, and the respective areas were expressed as a ratio. Measurements were made from the scans of 15 hydrocephalic children ...

journal_title：Journal of neurosurgery

authors： Linder M,Diehl JT,Sklar FH

更新日期：1981-08-01 00:00:00