We investigated the associations of surgeons' emotional intelligence and surgeons' empathy with patient-surgeon relationships, patient perceptions of their health, and patient satisfaction before and after surgical procedures. We used multi-source approaches to survey 50 surgeons and their 549 outpatients during initial and follow-up visits. Surgeons' emotional intelligence had a positive effect (r = .45; p < .001) on patient-rated patient-surgeon relationships. Patient-surgeon relationships had a positive impact on patient satisfaction before surgery (r = .95; p < .001). Surgeon empathy did not have an effect on patient-surgeon relationships or patient satisfaction prior to surgery. But after surgery, surgeon empathy appeared to have a significantly positive and indirect effect on patient satisfaction through the mediating effect of patients' self-reported health status (r = .21; p < .001). Our study showed that long-term patient satisfaction with their surgeons is affected less by emotional intelligence than by empathy. Furthermore, empathy indirectly affects patient satisfaction through its positive effect on health outcomes, which have a direct effect on patients' satisfaction with their surgeons.
The effect of allantoin, an active component of yam, on plasma glucose of streptozotocin-induced diabetic rats (STZ-diabetic rats) is investigated. Allantoin decreased plasma glucose levels in a dose-related manner, which was reduced by pretreatment with naloxone or naloxonazine. A concomitant increase in plasma β-endorphin, detected by enzyme-linked immunosorbent assay, was observed. Moreover, allantoin enhanced β-endorphin release from the isolated adrenal medulla of STZ-diabetic rat in a dose-related manner. However, its plasma glucose lowering action was reduced but not totally abolished by bilateral adrenalectomy. Furthermore, allantoin directly increased radioactive glucose uptake in isolated skeletal muscle, and repeated administration for 3 days increased GLUT4 mRNA and protein levels in muscle. This effect was markedly reduced in STZ-diabetic rats with bilateral adrenalectomy. This study suggests that allantoin increases GLUT4 gene expression in muscle by increasing β-endorphin secretion from the adrenal gland in STZ-diabetic rats.
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