[Pneumothorax in patients with AIDS and tuberculosis].
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Biomedical subjects
Publications and source records attributed to A Supervía.
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BACKGROUND: The aim of the present was to study the long term sequelae of osteoporotic fracture of the femur in a general hospital of 300 beds in Barcelona, analyzing 1) mortality; 2) degree of functional capacity; 3) care requirements; 4) familial repercussion, and 5) psychic repercussion. METHODS: Structured telephone interviews were carried out between 1990-1991 with the patients attended for osteoporotic fracture of the femur in our center from 1988-1989. Of a total of 145 patients, 12 died within 1 month. Among the remaining patients the interview was performed with 100 patients--25 of whom were males of 78 +/- 8 years of age and 75 females of 82 +/- 10 years of age. The degree of functional capacity was evaluated by the index of independence in daily activities (DA). RESULTS: Mortality within one month was 8.3%; at one year 30% and at 2 years 38%. Factors associated with the highest mortality were: age of over 80 years (p less than 0.004), deterioration of post fracture functional capacity (p less than 0.0004) and pre-fracture dementia (p less than 0.01). Important deterioration in post fracture functional capacity was seen in 45% of the cases. Seventeen percent of the patients required transfer to a center for chronic care and 34% resided in a center for chronic care prior to the fracture. Familial repercussion was observed in 43% of the cases and post fracture psychologic repercussion was seen in 28%. CONCLUSIONS: Osteoporotic fracture of the femur presents the following sequelae: mortality, intense deterioration of functional capacity and important health care requirements in addition to considerable familial and psychological repercussion.
One hundred and thirty six patients presenting pleural effusion and whose diagnosis was obtained by clinical, biochemical, bacteriological, cytological and histological methods have been studied and classified into seven groups: 20 transudates, 29 inflammatory, 25 tuberculosis, 25 non adenocarcinoid neoplasias, 24 adenocarcinomas, 10 mesotheliomas and 3 miscellaneous. Carcinoembryonic antigen was determined in all of them, evaluating as positives those values above 10 ng/ml, value which we consider discriminatory in our series and which agrees with the literature, finding positive values in 21 out of 24 adenocarcinomas and 3 out of 25 non adenocarcinomas. All benign pleural effusions and mesotheliomas had values lower than 10 ng/ml. The specificity to determine adenocarcinomas in neoplastic effusions was 91.48% and the sensibility was 87.5%. We consider that the CEA determination is useful to differentiate adenocarcinomas from other neoplasias and that a positive value rules out mesothelioma.
OBJECTIVE: To assess the effect of smoking and smoking cessation on bone density, bone remodeling markers, sex hormones, and vitamin D-PTH axis in healthy young subjects. MATERIALS AND METHODS: We studied 74 healthy people (31 men, 43 women; mean age 32.2 (7) years) divided into 52 never smokers and 22 smokers, 15 of which stopped smoking for one month. RESULTS: Male smokers compared with never smokers showed lower BMD (0.971 (0.11) g/cm(2) vs. 1.069 (0.09) g/cm(2), P=0.042); higher plasma estrone levels (32.37 (10.13) pg/mL vs. 20.91 (5.46) pg/mL, P=0.001); and lower serum iPTH levels (16.2 (3.5) pg/mL vs. 28.8 (2.0) pg/mL, P=0.008). In women, BMD values were similar in smokers than in never smokers, but 25-hydroxyvitamin D levels were lower in smokers (31.9 (15.1) ng/mL vs. 16.8 (9.9) ng/mL, P=0.002). After adjusting by age and coffee consumption, female smokers had higher urinary-NTX levels than never smokers. After smoking cessation, statistically significant decreases of 25-hydroxyvitamin D and SHBG plasma levels were observed in men and women, respectively. CONCLUSIONS: Tobacco increases bone resorption and affects bone mass by some alterations in sex hormone metabolism, but also importantly by alterations on the vitamin D-PTH axis.