Search PubMed⌕ Search

Biomedical subjects

C Carvajal

Publications and source records attributed to C Carvajal.

31 records · Page 2Linked to original sources

Analysis and comparison of two methods to detect hepatitis B antigen. Counterelectrophoresis (CEP) and reversed passive latex-agglutination (RPLA) technic in relationship to radioimmunoassay.

The authors evaluated two methods for detection of hepatitis B surface antigen, reversed passive latex agglutination and counterelectrophoresis, using radioimmunoassay as a control. The RPLA test (Antigen I, Pfizer Inc., Lot no. 403-94301-1) was compared with radioimmunoassay (RIA, Austria) and counterelectrophoresis (CEP) using serum specimens obtained at the Mount Sinai Medical Center, Miami Beach, Florida. Of the 100 selected sera tested as unknowns, 64 were positive by RIA and 36 were negative. The RPLA test yielded results comparable to those of the RIA technic in that the same 64 positives and 36 negatives identified by RIA were obtained with the RPLA test. Of the 64 positive samples obtained with the RIA technic, five yielded negative results with the CEP method. The RPLA test proved to be more sensitive than CEP in this survey.

Counterimmunoelectrophoresis↗

[Prevalence of cigarette smoking in psychiatric patients].

In opinion of the WHO, AIDS and smoking are the two major epidemies, and smoking is the most important avoidable risk for health. According to epidemiological studies, smoking is a relevant risk factors connected to different types of cancers, as well as respiratory, cardiovascular, and mother-infant pathologies. In Chile 7% of the death toll can be blamed on smoking. The present information about cigarette consumption was obtained from the clinical record of 297 in-patients, discharged from the Psychiatric Clinic, University of Chile, between the year 1983 and the year 1985. Prevalence of smoking is 66.7%, with no difference per sex. 9.6% patients smoke more than 20 cigarettes a day. The prevailing clinical diagnoses are: Drug addiction (alcoholism excluded), 96.6%; schizophrenia, 81.7%; and alcoholism, 73.2%. Smoking is associated to a background of alcohol abuse, 78.9%, as well as other drug abuses, 89.7%: In other words, this is a statistically significant difference. In this study, it was found out that psychiatric in-patients were smoking more heavily than the general population--41%, and more heavily than somatic in-patients as well--42%.

Adult↗

[Hypertensive pregnant women. Interrelationship between the hospital and the health care area during the second half of 1990].

Sixty women having hypertension during pregnancy were studied. A predominancy of age groups 20-24 years for a 28.3% was documented. The degree of participation of the multidisciplinary medical team is essential, as well as the close relation with the health area, since 94% of patients were recruited early and 80% received home visits by the family doctor and the nurse. There gas a predominancy of 23 cases with secondary school level for a 38%. Treatment was found to reduce arterial tension and satisfactory results were obtained for both the mother and the child.

Adult↗