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Biomedical subjects

H Kravitz

Publications and source records attributed to H Kravitz.

At least 19 recordsLinked to original sources

Homebound aged: the dilemma of psychiatric intervention.

This study reports the 12 month experience of a hospital-based, multidisciplinary psychogeriatric community team. The patients evaluated were unable to come to the hospital clinics because of a psychiatric and/or physical disability. The group included some patients rarely seen in psychiatric office practice and outpatient facilities, but who posed problems for their families and the community. Some required referral to a clinic, crisis management or emergency hospitalization. Others however, required only minimal intervention. A total of 151 patients (119 females and 32 males) whose average age was 78.2, were seen. Seventy percent were widowed, single, divorced or separated; 43% lived alone. The patients were grouped according to the method of intervention used: psychiatric and social intervention--55%; social and nursing intervention--28%; no follow-up--11% and; emergency hospitalization--6%. Seventeen patients were left "untreated". These patients usually had more adequate family or community support than was initially apparent. They were referred for a crisis which was resolved quickly. An attempt is made to explain our approach, and several case examples are given.

Activities of Daily Living

Report: conference on key issues in post-graduate psychiatric education in Canada.

At a national conference in 1985, the Royal College guidelines for post-graduate training in psychiatry in Canada were reviewed. The topics considered included geriatrics, consultation-liaison, chronic care, out-patient, and psychotherapy training, as well as pre-licensure requirements and examinations. The recommendations will be used by the Royal College in reformulating its requirements for psychiatric residency programs.

Canada

Clinical studies on the phenylethylamine hypothesis of affective disorder: urine and blood phenylacetic acid and phenylalanine dietary supplements.

To test the hypothesis that 2-phenylethylamine (PEA) modulates affect, plasma levels and urinary excretion of its main metabolite, phenylacetic acid (PAA), were studied in depressed and manic subjects, and the mood-elevating effects of its precursor, L-phenylalanine, were studied in depressed subjects. Mean total plasma PAA concentrations were 491.83 +/- 232.84 ng/ml in 12 healthy volunteers and 300.33 +/- 197.44 ng/ml in 23 drug-free patients with major depression. The 24-hour urinary PAA excretion was also measured in 48 healthy volunteers (141.1 +/- 10.2 mg PAA/24 hr) and in 144 patients with major depression (78.2 +/- 41.0 mg PAA/24 hr). The results suggest that low plasma and urinary PAA may be state markers for depression and are compatible with the PEA hypothesis. In further support, phenylalanine elevated mood in 31 of 40 depressives.

Adult

Sleep position training as treatment for sleep apnea syndrome: a preliminary study.

Ten male patients selected as having sleep apnea predominantly of the obstructive type associated with the supine sleep position on their evaluation night were trained for 1 additional night to avoid the back sleep position by wearing a gravity-activated position monitor/alarm on the chest. This device emitted an auditory signal if the patient remained supine for more than 15 s. The number of apneic events was significantly reduced, as were the number of episodes of significant O2 desaturation. While wearing the alarm, the apnea index of seven patients remained within or near normal limits. On a follow-up night, with only instructions to maintain the lateral decubitus posture, five patients remained significantly improved. Sleep position training may be appropriate as a single or interim treatment for a significant number of sleep apnea patients who have position-related obstruction.

Adult

Tactual exploration by normal infants.

The age of onset for tactual exploration of the fingers, body (torso), knee, foot and penis by the fingers was determined in 100 normal infants. Exploration of the mouth, face, head, ears, nose and eyes was also studied by daily observations in the first three days of life in a second sample of 12 normal newborns, and the age of onset was recorded. The data show that the ability of the normal infant to explore by touch the various parts of his body appears to have a definite age of onset and a definite sequence.

Age Factors

Lightning injury: management of a case with ten-day survival.

A boy, injured by lightning, had cardiopulmonary arrest. Following resuscitation and during the course of hospitalization, he developed further cardiac arrhythmia, cerebral edema, generalized seizures, and upper gastrointestinal bleeding. Despite efforts to combat these complications, the patient's condition deteriorated, and he died on the tenth day of hospitalization. The pathologic findings are described and the treatment discussed.

Adolescent