Traumatic intracranial aneurysms.

Eleven cases of traumatic intracranial aneurysms, six saccular and five arteriovenous, are presented with an operative mortality of 22.2%, which compares favorably with the few reports in the literature. These lesions are usually associated with serious head injuries.

Bernard, Mitchell, Horner syndrome and others?

Recent findings of parasellar sympathetic connections lead to renewed speculation concerning the ultimate course of the orbital and facial sympathetic pathways.

A head holder for operative serial angiography.

An apparatus was developed to combine two functions--a versatile neurosurgical head clamp and a compact film changer for operative serial angiography. The construction costs were +15,000, and provided a programmer, six cassettes, and attachments to position the film changer over much of the skull surface. Exposures are obtained by a mobile x-ray machine.

Effect of freezing and thawing on survival of three bacterial isolates from an arctic soil.

Three isolates, a Pseudomonas sp., Bacillus sp., and Arthrobacter sp.

Effect of starvation on survival of three bacterial isolates from an arctic soil.

Three isolates, a Pseudomonas sp., a Bacillus sp. and an Arthrobacter sp.

Treating heartburn in pregnancy: comparison of acid and alkali mixtures.

A randomised crossover trial was performed in 55 pregnant women who complained of heartburn to see whether alkali or acid treatment alleviated it. Each woman was given a week's treatment with an acid mixture, an alkali mixture, and a placebo in randomised order. Both acid and alkali mixtures were better than placebo, but there was no significant difference between the acid and alkali treatments.

Concussion: comparison of humans and rats.

Concussion is the most primitive and probably the most simple central nervous system response to an outside agent. Although millions of neurons undergo a very rapid reversal with loss and restoration of function, many physicians argue that every knockout blow leaves some residual damage, i.e.

Growth characteristics of three bacterial isolates from an arctic soil.

Three bacterial isolates, a Pseudomonas sp., a Bacillus sp., and an Arthrobacter sp.

Sympathetic connections to the fifth and sixth cranial nerves.

Thirty additional parasellar gross dissections and light microscopic examinations have been carried out, confirming a previous observation that the sympathetic nerve or nerves running with the carotid artery gives off a multitude of fine branches at irregular intervals on the way up, but the largest residual component joins the sixth cranial nerve and leaves to join the first division of the fifth cranial nerve. No similar fibers can be found by us to the sympathetic in the neck results in a Horner's syndrome and that section of the ophthalmic artery at its point of departure from the carotid does not result in any part of Horner's syndrome nor does secretion of the external, internal or common corotid in the neck, it is assumed that these fibers process the functions the absence of which result in Horner's syndrome.

The effects of temperature on growth of four high Arctic soil fungi in a three-phase system.

The effect of temperature on the growth of Chrysosporium pannorum, Cylindrocarpon sp., Penicillium janthinellum, and Phoma herbarum, isolated from tundra soils, was studied. The growth in two systems, glucose-mineral agar plates and sand, moistened with glucose-mineral broth, was compared.

Spontaneous subarachnoid hemorrhage first from an intracranial and then from a spinal arteriovenous malformation. Case report.

A patient presented with spontaneous subarachnoid hemorrhage (SAH) from a cerebral arteriovenous malformation (AVM) which was later totally removed at surgery. The patient presented again with a new SAH from a spinal AVM that was also totally removed at surgery. Coexistence of spinal and cerebral arteriovenous malformations are exceedingly rare and hemorrhage from each is not previously reported.

Concussion.

We have observed the effects of concussion on nonanesthetized rats and humans. We believe the phenomenon in both to be identical. There are four obvious stages to concussion and the recovery therefrom: fourth stage--visceral (respiratory) and somatic immobility; third stage--return of irregular visceral (respiratory) mobility with continuing somatic immobility; second stage--normal visceral mobility with impaired somatic mobility; and first stage--normal somatic mobility with impaired performance.

Complications of cancer immunotherapy with levamisole.

In a group of 69 patients receiving levamisole the drug had to be discontinued in 15 (21-7%) because of intolerable but reversible side-effects including gastrointestinal upset, "flu-like" syndrome, central nervous system disturbances, and skin rash. Reversible agranulocytosis with life-threatening sepsis occurred in a patient receiving levamisole immunotherapy for colonic carcinoma. Neutrophils and platelets were both severely affected.

Congenital intraspinal extradural cysts (intraspinal meningocele).

A case of congenital, intraspinal, extradural cyst is reported with pain as the only presenting feature. In the past, the lack of pain has been considered one of the characteristics of these rare lesions. In other reported cases, when pain has been present, it was minimal and never the presenting feature.

Lead contamination around secondary smelters: estimation of dispersal and accumulation by humans.

A high rate of lead fallout around two secondary lead smelters originated mainly from episodal large-particulate emissions from low-level fugitive sources rather than from stack fumes. The lead content of dustfall, and consequently of soil, vegetation, and outdoor dust, decreased exponentially with distance from the two smelters. Between 13 and 30 percent of the children living in the contaminated areas had absorbed excessive amounts of lead (more than 40 micrograms per 100 milliliters of blood and more than 100 micrograms per gram of hair) as compared with less than 1 percent in a control group.