[Baron de Lenval Institute of Child Hygiene. History, objectives, organization ond progress report. III. Progress report].
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The progress report from the National Large Bowel Cancer Project updates the state of the art of investigations concerning causes, role of animal models, early diagnosis of disease including potential biochemical markers, genetic and pharmacological consideration, proventive measures, and new approaches to the treatment of large bowel cancer. It points out the many interrelations in the multidisciplinary approaches to understanding the mechanisms of disease, means of prevention, methods of earlier diagnosis, and development of rational approaches in the control of large bowel cancer.
A progress report. We have helped to standardize an advanced in situ hybridization technology to detect viral nucleic sequences in formalin fixed paraffin embedded brain tissue with high sensitivity and specificity as well as good preservation of cytomorphology. It is our belief that if the inflammation in the multiple sclerosis central nervous system is associated with persistent virus this technique should reveal it. Technical reasons are given why we are continuing to search for measles virus in multiple sclerosis brain tissue.
In this progress report, some of the most commonly used antibodies are discussed in regard to their immunohistochemical application to human neurooncology. The importance of determining the spectrum of antibody immunoreactivity in a wide panel of normal, reactive, and neoplastic tissues is stressed. in atypical and aberrant cases, immunopositivity needs to be interpreted with caution and in the context of all other available data. The demonstration of a well-characterized, cell type-specific marker in a tumor reflects not so much its cytogenesis as its differentiation potential and its capacity for metaplasia. The relation of an abnormal or aberrant expression of antigenic determinants to the process of neoplasia raises a number of intriguing questions to which research in the next few years will likely provide answers.
The progress to the current era of preventive cardiology covers a period of more than 40 years, beginning with epidemiological studies on coronary heart disease and other forms of atherosclerotic disease and related factors and progressing through prevention trials and community demonstration projects to the actual implementation of preventive measures by combined population and high-risk strategies. The scientists of the United States have played a leading role in the data collection which forms the scientific basis for preventive cardiology and the fruitful collaboration in the United States between the scientists and governmental, as well as nongovernmental, organizations in the implementation of preventive cardiology has served as a good example for other countries. The Section on Epidemiology and Prevention of the International Society and Federation of Cardiology and the Cardiovascular Diseases Unit of the World Health Organization, working in close liaison, have had key roles in the worldwide promotion of preventive cardiology. The rapid progress in preventive cardiology during the past 4 years, since the 1st International Conference of Preventive Cardiology, has been dominated by a "snowballing" movement toward more intensive application of cholesterol-lowering measures at both the population and the individual level. Promising progress has also been made in the field of nonpharmacological control of elevated blood pressure.
This is a progress report of a prospective, randomized study involving 200 consecutive patients treated electively with either parietal cell vagotomy (PCV) or selective vagotomy and antrectomy (SV-A). Both groups comprised patients with pyloric, prepyloric, or duodenal ulcers. There was no operative mortality in either group. Patients were examined at 2, 6, 12 months, and every 12 months thereafter for 8-10 years. The two operations produced no statistical difference in the frequency of diarrhea. Dumping (p less than 0.0005) and weight loss (p less than 0.0005-p less than 0.05) were statistically less after PCV than after SV-A. There were two recurrent ulcers (2.2%) after SV-A. One was treated successfully by medical therapy and one patient suspected of having gastrinoma had total vagotomy. Nine patients had recurrent ulcers in the PCV group for an accumulated recurrence rate of 10.1% at 10 years by life-table analysis. There was a significant difference (p less than 0.033) between the curves for recurrent ulcers in the two groups of patients. The recurrent ulcer rate after PCV was 21% for patients with pyloric and prepyloric ulcers and 6% for patients with duodenal ulcer. There was no significant difference between the recurrent ulcer rate for PCV and SV-A if the patients with pyloric and prepyloric ulcers were withdrawn from the study. Of the nine patients with recurrent ulcers in the PCV group, three had an inadequate vagotomy and four had a pyloric or prepyloric ulcer before operation. Three patients were successfully treated with antrectomy. Five patients were treated successfully by medical therapy and remained healed for long periods without recurrence. One patient had five recurrences. He declined operation and remained free of symptoms for 3 years after his last recurrence. Poor gastric emptying necessitated gastroenterostomy in five patients in the SV-A group and in one patient in the PCV group. Patients' clinical results were evaluated according to a simple Visick grading scale. A significantly (p less than 0.0005) greater number of patients were in Visick I category after PCV than after SV-A. The clinical results obtained with PCV make this the operation of choice for the elective surgical treatment of duodenal ulcers even though the results obtained with SV-A were good.
This progress report on the prospective randomized study of the effect of coronary bypass surgery on prognosis presents the results of a minimum follow-up of 4 years. Seven hundred sixty-eight patients were recruited; all were men younger than age 65 years who had mild-to-moderate angina pectoris, at least two-vessel disease, and good left ventricular function. Of these, 373 were randomized to medical treatment and 395 to surgical treatment. Although 83 "medical" patients subsequently underwent surgery and 27 "surgical" patients did not undergo surgery, these patients were not excluded from the analysis, and the group randomized to coronary bypass surgery was compared with the group randomized to medical treatment. The surgical treatment group showed significantly better survival than the medical treatment group in the total patient population (p less than 0.001), particularly among patients with three-vessel disease (p less than 0.001). Although the 24% higher survival among surgical patients with left main coronary artery disease failed to reach statistical significance, the trend is probably meaningful. No significant difference in survival between medical and surgical treatment groups was noted in patients with two-vessel disease.
This paper presents a progress report on the U. S. research which has been designated as collaborative research with the Soviet Union to study the biological effects of nonionizing radiation on the central nervous system, behavior, and blood. Results of investigations to study the effects of microwaves on isolated nerves, synaptic function, transmission of neural impulses, electroencephalographic recordings, behavior, and on chemical, cytochemical and immunological properties of the blood are presented. Specifically, the effects of microwave exposure on chick brain and cat spinal cords, on EEG patterns of rats, on behavioral of neonatal rats exposed during development, on behavior of adult rats, on behavior of rhesus monkeys and on the pathology, hematology, and immunology of rabbits will be reported in a summary format. Much of the information is new and has not been published previously.
The purpose of this experimental study was to examine the effects of intraoperative progress reports on family members' state anxiety level (STAI S-Anxiety), mean arterial pressure (MAP), and heart rate during elective surgical procedures. Family members of randomly selected surgical patients were eligible to participate. Control group family members (n = 50) received usual care. Family members in the experimental group (n = 50) received a 5- to 10-minute progress report protocol about halfway through a surgical procedure. Families' STAI S-Anxiety scores, MAP, and heart rates were compared between the control and experimental groups using multivariate analysis of variance (MANOVA). Family members in the experimental group reported lower STAI S-Anxiety scores (p < .001), and had significantly lower MAP and heart rates than did the control group (p < .001). Progress reports appear to be a beneficial nursing intervention for reducing anxiety in family members during the intraoperative period.
This progress report on the anorectic effect of serotoninergic indirect antagonists compares the action of D-fenfluramine, fluoxetine and sertraline and their N-dealkylated metabolites. Brain levels of drugs and their metabolites were measured after equi-active anorectic doses. Fluoxetine and sertraline inhibit 5-HT uptake in vitro with a potency which is at least one order of magnitude higher than for D-fenfluramine while all three drugs release 5-HT from synaptosomes and the active concentrations are closer to the brain concentrations reached after anorectic doses. However, a number of differences have been observed between D-fenfluramine and fluoxetine regarding the mechanisms of 5-HT release. Furthermore fluoxetine affected storage of 5-HT in vesicles much more than D-fenfluramine did. The anorectic effect induced by fluoxetine was not antagonized by antiserotoninergic drugs. No evidence of an involvement of CCK in the anorectic effect of D-fenfluramine was found when food intake was determined in rats previously submitted to food deprivation.
This Fifth Progress Report is to be printed in three parts in California Medicine. Following the appearance of Part III the report will be bound in a pamphlet which may be ordered at $1 a copy from 693 Sutter Publications, Inc., 693 Sutter Street, San Francisco, California 94102.
Following very shortly after the Bevan Report the National Audit Office has published a progress report on the utilisation of operating theatres in England. The report revisits Bevan in a number of areas, which emphasises the importance placed on the recommendations made in that report.
This Fifth Progress Report is being printed in three parts in California Medicine. Following the appearance of Part III the report will be bound in a pamphlet which may be ordered at $1 a copy from 693 Sutter Publications, Inc., 693 Sutter Street, San Francisco, California 94102.
This Fifth Progress Report is being printed in three parts in California Medicine. Following the appearance of Part III the report will be bound in a pamphlet which may be ordered at $1 a copy from 693 Sutter Publications, Inc., 693 Sutter Street, San Francisco, California 94102.
Since the publication of its first report, the Anticancer Subcommittee of the Australian Drug Evaluation Committee (ADEC) has provided advice to ADEC and to the Commonwealth Department of Health on investigational anticancer agents in all stages of development. This second report outlines the progress in 1984-1985.
An article published in the Bulletin in 1963 outlined the proposed program of the Medical Library Center of New York. This progress report describes actual functions of the Center and attempts to evaluate them after four years of experience. Details of adapting a building intended for other use, financing this cooperative enterprise, applying standard library techniques and equipment to an atypical library, and acquiring materials that complement, rather than duplicate, the collections of member libraries are given. New services, not envisioned in detail in the initial program, but initiated during this period of operation, are mentioned. The report ends with a tentative look into the future.
The Bloom's Syndrome Registry was published in this journal in 1977. Now, in the first in a series of progress reports, recent accessions to the Registry are recorded, new instances of neoplasia are listed, and recent clinical observations and experimental results of general interest are cited.
A progress report is presented on two on-going clinical trials in women with advanced breast cancer. In Trial I to date, 56 patients have been randomized to tamoxifen (TAM) alone or TAM plus aminoglutethimide (AG) (plus hydrocortisone). Patients failing TAM can then receive AG. The two groups are reasonably well balanced with respect to prior hormonal therapy exposure (TAM, 19%; TAM plus AG, 17%), age, disease-free interval, performance score, and estrogen receptor status. The TAM plus AG group has a higher incidence of visceral dominant disease (41 versus 26%) and prior chemotherapy exposure (41 versus 33%). Responses have been observed in 7 of 27 (26%) patients on TAM and 11 of 28 (39%) on TAM plus AG. Median times to treatment failure (defined as disease progression, unacceptable toxicity, or patient refusal) are 211 and 123 days, respectively (log-rank on time to treatment failure, p = 0.87). Toxicity is greater for TAM plus AG with a higher incidence of skin rash, lethargy, and dizziness. Thrombotic events were seen in one patient on TAM and two patients on TAM plus AG. One patient on TAM plus AG developed leukopenia and sepsis. The data are too preliminary for one to draw firm conclusions regarding relative efficacy. In TRial II to date, 35 patients with prior tamoxifen exposure have received AG. The mean number of prior systemic therapies is 3.2 (range, 1 to 7). The response rate is 20% and similar with (21%) or without (19%) prior chemotherapy exposure. The median time to treatment failure is 92 days. One patient developed leukopenia and sepsis. Additional patient accrual is necessary to allow characterization of potential efficacy within prognostically important subsets.