[Determination of the immunological effects of immune serum and gammaglobulin on trophozoites of E. histolytica].
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Biomedical subjects
Publications and source records attributed to M Segura.
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PURPOSE: The purpose of this project was to describe metabolic control, knowledge, and health beliefs of Mexican Americans with type 2 diabetes. METHODS: The study site was Starr County, Texas, a border community located on the Rio Grande River and bordering northern Mexico. Of the total sample of 360 persons, 252 agreed to participate in this intervention study and were randomized either to the treatment group or the control group that waited 1 year to begin the intervention. RESULTS: The majority of individuals were Spanish-speaking females with a mean age of 54 years and a mean diabetes duration of 8 years. For those treated with diet only, males exhibited higher fasting blood glucose levels than females. Gender effects were seen for cholesterol level, with females exhibiting higher levels than males. Males expressed stronger perceptions of control and social support for diet. Bivariate relationships were found between acculturation and diabetes knowledge. The health belief subscales of control and impact on job together explained 16% of the variance in HbA1c values. CONCLUSIONS: Males and females held differing beliefs about ability to control their diabetes and degree of social support for diet. The impact of gender differences on ability to integrate diabetes self-care and on effectiveness of diabetes programs has not been determined but should be considered in future research.
A revision is made of the issue regarding sepsis related to central intravenous catheterization. A special point was made on the relevance of latest discoveries in the field of pathogenicity in order to prevent, diagnose and treat this entity. Preventive measures should be geared to avoid intralumen infection, and success may depend on new connection models and industrial preparation of nutrient mixtures. Infected catheters must be removed, but in highly selected patients local and systemic antibiotic therapy may be attempted.
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When a patient needs parenteral or enteral nutrition, be it in a transitory way or as a permanent form, and hospitalization is not strictly required, this treatment should take place in the home of the patient whenever possible. The support with artificial nutrition can be equally efficient, improving the life expectancy ad the quality of life of patients who would otherwise be faced with a much prolonged hospital stay. The Ambulatory and Home Artificial Nutrition group (NADYA) is a multidisciplinary team of health care professionals, from different areas of the national territory, who are dedicated to Clinical Nutrition. With the objective of promoting health and well-being of patients undergoing treatment, and to ease the therapeutic activity of the implicated professionals, this group has developed a series of suggestions for the practice of enteral or parenteral nutrition in the home of the patient. These suggestions include specifications about the technical team, criteria for selection and training of the patients, routes of access, formulas and material needed, follow up characteristics, and associated complications, and the represent a consensus of the regulations necessary for the guarantee of an adequate level of security and efficiency of the at home care of patients who require artificial nutrition support.
By means of a simplified questionnaire, the NADYA group has gathered and analyzed data with regard to the age, sex, diagnosis, access route, duration, form of administration, complications, and quality of life, in 812 patients (62% male; 37% female) with At Home Enteral Nutrition (AHEN), and 19 patients (42% male; 57% female) with At Home Parenteral Nutrition (AHPN) corresponding the National Registry of 1995. The most frequent indication of AHEN was a neoplasm (41%), followed by neurological alterations (33%). The most common access route is the NGT (37%) followed by oral administration in 37%, PEG in 13% and surgical ostomics in 8%. The mean treatment time is 8 months. The index of complications/patient-year is 0.50 (gasterointestinal 0.17, and mechanical alterations 0.9). At the end of the study, 63% of the patients continued to receive AHEN, showing a mortality rate of 70%. The majority of the patients undergoing treatment presented a sever social disability (20%) or were bed ridden (18%). The most common indications for the AHPN are: radical enteritis (26%), Crohn's disease (21%), and mesenteric ischemia (16%). AIDS, motility alterations, and neoplasic diseases are scantly represented (10%). Tunneled catheters are used in 58% of the cases, and Port-a-Cath in 31%). The mean duration for the treatment was 7.9 months. An index of 0.47 hospitalization/patient-year was seen in relation to the nutritional treatment (mainly due to catheter septicemia). A mortality of 16% is noted, and 21% show a recovery of the oral route. 42% of the patients did not present an assessable social disability.