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Biomedical subjects

S Hirsch

Publications and source records attributed to S Hirsch.

At least 145 records · Page 8Linked to original sources
PubMed1978

Ureteroneocystostomy in the treatment of reflux in neurogenic bladders.

There were 15 patients with neurogenic bladders, representing 23 renal units with reflux, who underwent reimplantation with the Politano-Leadbetter technique. The over-all success rate was 30 per cent. Failures, including persistent reflux or obstruction, were demonstrated on at least 1 side of all bilateral reimplantations and 3 of 7 unilateral procedures. These results are compared to those in the recent literature. We conclude that case selection, limiting the operation to only those patients with balanced bladders, will ensure uniformly good results. External sphincterotomy in patients with reflux may alter the clinical course, either obviating the need for reimplantation or creating a balanced bladder. Other forms of therapy, such as urinary diversion, are indicated only in those patients who persist with markedly abnormal bladders and renal deterioration.

Adolescent↗
PubMed1977

The development of left-hand superiority for discriminating braille configurations.

Discrimination of braille configurations was performed better by the left hand of right-handed sighted children over age 10, paralleling a previous study in which the names of braille letters were learned. Left-hand superiority occurred sooner in males, but they were not better at the task than females, more of whom maintained a left-hand advantage as adults. As in vision, configurations differing in orientation were more difficult to discriminate than those differing in number or displacement, but this order of difficulty was the same for both hands.

Adolescent↗
PubMed1977

Tests of auditory perception in the assessment and management of patients with cerebral cranial injury.

Special listening tests have been applied to patients with cerebral cranial injury to determine whether such tests of auditory performance will provide functional evidence of lesions which are difficult to examine physically. There have been many reports in the literature on the apparent relationship between lesions affecting portions of the central auditory nervous system and results on tests of auditory perception for speech which is either distorted in some way or presented in competing arrangements to the two ears. The premise is that these tests require integrative function of the brain while reducing the effects of conditions of the peripheral organ of hearing and of basic language functions such as symbolization and memorization. Much of the previous literature has been concerned with infiltrative lesions, such as tumors. Our rehabilitation facility serves a number of patients whose lesions are the result of injuries rather than growths or vascular accidents. The present study was undertaken, therefore, to explore the contribution of information derived from such test procedures to diagnosis and to the planning of individual programs of rehabilitation. Preliminary findings are presented for a series of patients with cerebral cranial injury.

Auditory Perception↗
PubMed1976

Participatory governance: a model for shared decision making.

The sharing in departmental decision making is viewed as a responsibility to be borne collaterally with the director by practitioners delivering direct services. While the process is viewed as consonant with professional growth and therefore properly evolutionary, the authors after facilitating premises and structures as well as a delineation of risks and rewards.

Decision Making↗
PubMed1975

Microwave lens effects in humans. II. Results of five-year survey.

Individuals selected on the basis of likelihood of occupational exposure to microwaves were subjected to a biomicroscopic examination of the lens. Control personnel were also examined along with them, the examiners having no knowledge of the exposure history of any examinee prior to or during the examination. Objective evidence of lens abnormality (opacities, vacuoles, or posterior subcapsular iridescence) was recorded and a comparison made between the two groups on the basis of that evidence. The comparison showed the two groups to be essentially the same and did not support the hypothesis that human lens damage is occurring in the military environment in this country. Instead, it tended to support the assumption that the existing safety level of 10 MW/sq cm is adequate.

Adult↗