RESUMO
Changes in height of the gastric air bubble can be inferred, in theory, from the difference between gastric pressures measured with water- and air-filled balloon-catheter systems. We describe an apparatus that satisfactorily measures changes in height of gastric balloons in vitro. During slow breathing maneuvers in standing subjects, the apparatus measured changes in height of the balloons in the stomach that were consistent with expected changes in height of the diaphragmatic dome. In four subjects, balloon movements were nearly always less than movements of the costal margin of the diaphragmatic dome observed by ultrasonography; the average ratio of height changes was 0.73. We conclude that changes in height of the diaphragmatic dome can be measured with this method during slow breathing maneuvers in upright subjects.
Assuntos
Diafragma/fisiologia , Mecânica Respiratória/fisiologia , Estômago/fisiologia , Abdome/fisiologia , Estudos de Avaliação como Assunto , Balão Gástrico , Humanos , Técnicas In Vitro , Medidas de Volume Pulmonar , Movimento/fisiologia , Pressão , Costelas/fisiologiaRESUMO
The Mini-Mult and MMPI were administered in random order to 60 blind male veterans admitted to a residential rehabilitation program. Mini-Mult scores predicted the presence or absence of MMPI pathology in 81.7% of the cases. Correlations between the individual Mini-Mult and MMPI scales were significant at the p less than .01 level, but not of sufficient magnitude to permit their interchangeability or to allow for profile diagnosis on the basis of Mini-Mult scores. Analysis of the false negatives raises questions about the clinical significance of an abnormal MMPI in the population studied. The results support the value of the Mini-Mult as a screening device, but not as a substitute for a detailed psychological assessment of the blind.
