Dyadic concordance in physician-patient interactions can be defined as the extent of agreement between physicians and patients in their perceptions of the clinical encounter. The current research specifically examined two types of concordance: informational concordance-the extent of agreement in physician and patient responses regarding patient information (education, self-rated health, pain); and interactional concordance-the extent of physician-patient agreement regarding the patient's level of confidence and trust in the physician and the perceived quality of explanations concerning diagnosis and treatment. Using a convenience sample of physicians and patients (N = 50 dyads), a paired survey method was tested, which measured and compared physician and patient reports to identify informational and interactional concordances. Factors potentially related to dyadic concordance were also measured, including demographic characteristics (patient race, gender, age, and education) and clinical factors (whether this was a first visit and physician specialty in family medicine or oncology). The paired survey showed informational discordances, as physicians tended to underestimate patients' pain and overestimate patient education. Interactional discordances included overestimating patients' understanding of diagnosis and treatment explanations and patients' level of confidence and trust. Discordances were linked to patient dissatisfaction with physician listening, having unanswered questions, and feeling the physician had not spent enough time. The paired survey method effectively identified physician-patient discordances that may interfere with effective medical practice; this method may be used in various settings to identify potential areas of improvement in health communication and education.
We evaluated hepatocyte paraffin 1 (HepPar1) antigen expression, a sensitive marker of small intestinal differentiation, in combination with morphologic features to demonstrate intestinal differentiation in cases equivocal for Barrett esophagus (BE). Clinicopathologic features and HepPar1 expression were recorded for 54 BE cases, 45 consistent with reflux esophagitis (RE) cases, and 65 “suspicious” for BE (SBE) cases. The SBE category included RE cases with 2 or more morphologic changes associated with BE or metaplastic reaction to injury (eg, multilayered epithelium, squamous islands, goblet cell mimickers, pancreatic metaplasia). HepPar1 was expressed in all 54 BE cases, 4 of 45 RE cases, and 24 of 65 SBE cases. In SBE cases, 2 or more morphologic changes were associated with HepPar1 expression in 37% of cases (24/65), 3 or more features in 59% (13/22), and 4 or more features in 100% (4/4) (P ≤ .004). The combination of certain morphologic changes and HepPar1 expression in clinically suspicious distal esophageal biopsy cases without goblet cells supports the presence of evolving intestinal metaplasia.
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