THE occurrence of a Central-nervous-system neoplasm in a child is, fortunately, a rare event. Its rarity may indicate that the family in which it appears is more susceptible to Central-nervous-system neoplasms, or cancer in general, than the average ...

DEHYDRATION is the commonest cause of fluid and electrolyte disturbances in the elderly.¹ Reduced thirst and fluid intake in the presence of physiologic need and diminished water conservation by the kidneys may be two important contributing factors.

...

THE role of infection with urea-splitting organisms in the development of "triple-phosphate" (calcium, magnesium, and ammonium phosphate) stones composed of struvite (MgNH₄ [PO₄] · 6H₂O) and carbonate apatite (Ca₁₀ [PO₄]₆ · CO₃) appears to be well ...

CHROMOGRANIN A, the major soluble protein in catecholamine-storage vesicles,^{1 2 3} is stored and released by exocytosis with catecholamines and has been a useful index of sympathoadrenal catecholamine release in laboratory animals.^{4 5 6 7}

Since assessment ...

Complications

The most common complications of streptokinase-mediated reperfusion are myocardial and systemic hemorrhage and reperfusion arrhythmias. Hemorrhagic infarction has been reported in patients who died after receiving streptokinase therapy for ...

Arterial Lines

Arterial lines are indicated for continuous monitoring of blood pressure and for very frequent sampling of arterial blood. Inserting arterial lines is a relatively safe and inexpensive procedure. Major complications include infection and ...

SICKLE-CELL anemia affects 1 in 600 of the U.S. black population and accounts for 80,000 deaths annually throughout the world.^{1 , 2} Current therapy is designed to prevent sickle-cell crises, but supportive care remains the only treatment available once ...

Presentation of Case

A 24-year-old man was admitted to the hospital because of multiple trauma.

He was well until 20 minutes earlier, when he was involved in a motor-vehicle accident. He was found unresponsive at the scene and was brought to this hospital ...

The hallmark of aging is a progressive decrease in homeostatic capability — a decreased response to an internal or external environmental perturbation. The article by Phillips and associates* in this issue of the Journal provides a clear example of this ...

Struvite calculi (MgNH₄PO₄ · 6H₂O) that form within the urinary tract are a result of the action of the bacterial enzyme urease, which is produced by bacteria, such as proteus species, that may infect the urinary tract.¹ This enzyme metabolizes urea, ...

Mammalian adrenal medullary tissue is composed of endocrine secretory units called chromaffin cells. These cells synthesize and store catecholamines and release them in response to neural impulses carried in the splanchnic nerves. The designation "...

No extract is available for articles shorter than 400 words.

No extract is available for articles shorter than 400 words.

No extract is available for articles shorter than 400 words.

To the Editor: Streptozocin, a nitrosourea antineoplastic agent, is commonly used either alone or with fluorouracil in the management of pancreatic islet-cell carcinoma and carcinoid tumors.^{1 2 3 4} It has gained more widespread usage recently as part of ...

No extract is available for articles shorter than 400 words.

No extract is available for articles shorter than 400 words.

To the Editor: A 55-year-old man was hospitalized for an acute inferior myocardial infarction wilh a peak creatine kinase of only twice the normal value. Cardiac catheterization one week later showed a small inferobasal scar with an ejection fraction of ...

No extract is available for articles shorter than 400 words.

To the Editor: Weisbroth and Cancellieri (June 21 issue)¹ said that having searched the literature they could not find any data to substantiate my claim² that malathion has residual activity. I would refer them again to the Medical Letter,³ where they ...

No extract is available for articles shorter than 400 words.

No extract is available for articles shorter than 400 words.

No extract is available for articles shorter than 400 words.

No extract is available for articles shorter than 400 words.

No extract is available for articles shorter than 400 words.

No extract is available for articles shorter than 400 words.

No extract is available for articles shorter than 400 words.

No extract is available for articles shorter than 400 words.

No extract is available for articles shorter than 400 words.

Feelings and their fluctuations have captured the interest of many generations of psychiatrists. Recent work in the area of mood disturbances reflects important contemporary themes in psychiatry. Current efforts emphasize diagnostic issues and stress ...

No extract is available for articles shorter than 400 words.

No extract is available for articles shorter than 400 words.

No extract is available for articles shorter than 400 words.

This short book makes three complementary arguments. The first is that hospitals can best ensure their financial survival by grafting health-maintenance organizations (HMOs) onto their existing operating Structures. The second is that a conscious ...

This book is an ambitious attempt to describe health systems in 14 countries so as to permit comparative analysis, but it enters a mine field of difficulties. There are national differences in the terminology describing organizational and economic ...

Here is social history that is both more and less than its title would suggest. The original essays invited by the Sidels for this book cover the natural history and policy implications of several major health-care developments, organized into sections ...

The receipt of these limits is acknowledged, and this listing must be regarded as sufficient return for the courtesy of the sender. Books that appear to be of particular interest will be reviewed as space permits.

Addresses of most overseas publishers ...