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Biomedical subjects

R Sheff

Publications and source records attributed to R Sheff.

6 recordsLinked to original sources

Psychosocial problems in primary care. Pilot study of a new taxonomy.

BACKGROUND: In this study, the Massachusetts Academy of Family Practice Research Network (MAFP ReNet) was used to test a new taxonomy of psychosocial problems presenting to family physicians and to examine physician variability in determining when a psychosocial problem plays a role in a patient's visit. METHODS: Thirty physicians completed a form listing the taxonomy of psychosocial issues for 19 standard case vignettes. These physicians then completed the same form for every patient seen in their practices over a 2-week period. RESULTS: The proposed taxonomy was well received by practicing physicians as appropriate for how they think about their patients and practices. The case vignettes demonstrated a large variability in physician identification of psychosocial problems. The 30 physicians who participated in all phases of the study completed evaluations of 2876 patient visits, identifying 43% of these as involving one or more psychosocial problems. The frequency of psychosocial problem identification among the physicians ranged from 23% to 81%, with a standard deviation of 15%. CONCLUSIONS: The proposed new taxonomy may be helpful in both future research and teaching. The high degree of variation in physician responses both to the same clinical vignettes and to patients in their practices suggests that physicians vary widely in their identification of psychosocial issues.

Adult↗

Hepatic venography and wedge hepatic vein pressure measurements in diffuse liver disease.

Ninety patients with chronic diffuse liver disease were evaluated with free hepatic venography, wedge hepatic venography, hepatic vein pressure measurements, and liver biopsy. Free hepatic venograms were normal and minimally pruned in patients with hepatic sarcoidosis and fatty liver due to alcohol, and their biopsies showed little or no fibrosis. Pruning of hepatic vein branches on free hepatic venography correlated well with the corrected wedged hepatic vein pressure and with the degree of fibrosis in patients with alcoholic hepatitis, alcoholic cirrhosis, and postnecrotic cirrhosis. Free hepatic venography correlated better with hemodynamic measurements and fibrosis than did wedge hepatic venography. Free hepatic venography is a reliable predictor of the presence and degree of hepatic fibrosis and may be a useful alternative to liver biopsy in patients with clotting disorders.

Alcoholism↗

Dreaming sleep in man: changes in urine volume and osmolality.

Epochs of dreaming sleep, as measured by rapid eye movements, consistently correlated with biphasic change in urine volume and osmolality in catheterized human subjects. Marked decrease in volumne and increase in oslnolality were followed by a hypotonic diuresis.

Aged↗