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Biomedical subjects

M M Henderson

Publications and source records attributed to M M Henderson.

28 records · Page 2Linked to original sources

Combination chemotherapy including high dose methotrexate and radiotherapy, in the treatment of small cell carcinoma of the lung.

Twenty-nine (88%) of thirty-three patients who were treated with multiple drug chemotherapy, including high dose methotrexate, and radiotherapy for small cell carcinoma of the lung showed significant improvement in their clinical condition and quality of life. Treatment was well tolerated and toxicity acceptable. Cerebral metastases were not detected in any patient on presentation and only developed in three patients (9%). Little information exists regarding the use of high dose methotrexate in small cell carcinoma of the lung. There is no evidence, on the data available, that high dose methotrexate is any more effective than conventional doses.

Adult↗

Target organ damage in black hypertensives.

A representative sample of black hypertensives has been appraised to determine candidacy for hypertension treatment. A total of 1759 black residents were successfully screened at home. Forty-one percent of the males and 33% of the females had diastolic blood pressures of 95 mm Hg or greater. They were invited for secondary screening along with those hypertensives controlled on therapy. Clinical and laboratory evidence of cardiovascular disease was common among examined patients who were studied to determine their eligibility for therapy based on criteria of elevated blood pressure (greater than 104 mm Hg) at two visits, or evidence of end organ damage at lowere blood pressure levels. Of patients previously aware of their hypertension but not on therapy, 88% of the males and 67% of the females were considered candidates for therapy. Of patients not previously aware of their elevated blood pressure, 72% of the males and 67% of the females were considered candidates.

Adult↗

Evaluation of a screening program for heart disease.

An evaluation of the effectiveness of a screening program using the Phono Cardio Scan to detect heart disease in 18,872 Baltimore (Meryland) elementary school children indicated that few cases were discovered and only one child medical treatment instituted as a result of the program. Most of the children referred to a cardiologist had known disease. There was considerable variability in performance both of the machine and of the three center which were involved in the program. The sensitivity of the machine may have been low as reported in some other studies.

Child↗

A plea for a discipline of health and medical evaluation.

There is an expanding need for quantitative information to evaluate health and medical care procedures. Existing methods for designing and carrying out evaluation studies need to be improved to provide better techniques for answering questions on efficacy of health and medical procedures, and in providing a more adequate information base on which to set healthy policy. This paper reviews some of the problems in the design and conduct of evaluation research, and makes a plea for creation of a special discipline to support and develop the field of health and medical care evaluation.

Clinical Trials as Topic↗

Maintenance of a low-fat diet: follow-up of the Women's Health Trial.

This report examines the maintenance of a low-fat diet 1 year on average after the completion of intervention sessions among participants in the Women's Health Trial (WHT). The WHT was a randomized controlled trial of the feasibility of adoption of a low-fat diet among women of moderate or increased risk of breast cancer, conduced in Seattle, Houston, and Cincinnati in 1985-1988. The women randomized to the low-fat diet attended an intensive dietary intervention program for 5-37 months. Intervention women were highly successful in reducing their dietary fat intake from 40.0% of energy intake at baseline to 26.3% by the end of the trial, based on a food frequency questionnaire (or an estimated 24% adjusted for the inaccuracies of a food frequency questionnaire versus a 4-day diet record). During 1989, 1 year on average after the WHT ended, 448 intervention women and 457 control women (87% of eligibles) completed a follow-up survey to determine the degree of maintenance of the diet. The intervention women maintained the low-fat diet with an increase of only 1.4 percentage points of energy from fat, despite the fact that they had attended no further intervention sessions and had made no commitment to maintain the diet beyond the end of the WHT. Furthermore, the degree of maintenance of the low-fat diet was not dependent on the length of time in the intervention, which suggests that intervention led to a sustained change in eating habits after as little as 5-9 months (8-13 classes).(ABSTRACT TRUNCATED AT 250 WORDS)

Aged↗

Dietary changes among husbands of participants in a low-fat dietary intervention.

A dietary intervention delivered to one family member with a beneficial impact on other members could provide a cost-effective approach to public health dietary intervention programs. The Women's Health Trial (WHT) was a study in which women were randomized to be trained in adopting a low-fat diet or to continue their normal diet. The intervention women consumed 21% of total calories from fat versus 38% for control women at six months postrandomization. Husbands of women in the Seattle Clinical Center of the WHT were surveyed between 1985 and 1988 to determine whether and to what extent the husbands' diets changed at six months. Ninety-one intervention men and 162 control men, 79% of those eligible, participated. Intervention men reported an average weight loss of 2.4 pounds, compared to an average 0.7-lb loss among controls (P = .03). Based on self-reported change of specific foods, we found that intervention men more often reduced butter, margarine, eggs, and red meat over the six months than did control men (P less than .001). Based on nutrient consumption estimated by a food frequency questionnaire, intervention husbands consumed 34% of total calories from fat versus 36% for controls (P = 0.04). The number of meals shared with wives per week modified the effect of the intervention: among the intervention group, for every three meals shared, an accompanying one percentage point reduction in percentage of calories from fat occurred in the husband's diet. Thus, we suggest that dietary intervention programs attended by one spouse appear to exert a small beneficial effect on the other spouse.

Aged↗