The aims of this study are to ascertain the prevalence of anxiety and depressive disorders in an outpatient population with osteoarthritis (OA), examine the interrelationships between severity of OA, pain, disability, and depression, and evaluate the Hospital Anxiety and Depression Scale (HADS) as a screening tool for this population. Patients with lower limb OA were evaluated with the Short Form McGill Pain and Present Pain Index Questionnaires, and a visual analogue scale, WOMAC Osteoarthritis Index-section C, and the HADS. Participants underwent a structured clinical interview by a liaison psychiatrist (AB). X-rays of affected joints were rated for disease severity. Fifty-four patients (42 females; mean age 63.3) were investigated. The prevalence of clinically significant anxiety and/or depression was 40.7% (95% confidence interval (CI), 27.6-55.0%). HADS was a good predictor of anxiety and depression with a sensitivity and specificity of 88% (95%CI, 64% to 99%) and 81% (95%CI, 65% to 92%), respectively. Pain correlated with HADS anxiety and depression scores (e.g. Rank correlation coefficients (Kendall's tau-b) between total HADS scores and Pain VAS scores 0.29; p=0.003). Disability was greater in patients with depression and/or anxiety (e.g. total HADS score; Kendall's rank correlation coefficient tau-b=0.26, p=0.007) OA severity as determined by radiological score was not a good predictor for anxiety nor depression and only weakly associated with disability. Anxiety and depression are very common in OA patients. HADS anxiety was a better predictor of diagnosed anxiety than HADS depression was of diagnosed depression. HADS is a valid and reliable screening instrument for detecting mood disorder, but not a diagnostic tool or a substitute for asking about symptoms of depression. The interrelationship between mental health, pain and disability is strong. We should therefore adopt a multidisciplinary approach to the management of OA.

Anorexia nervosa (AN) is a condition of self-induced weight loss, associated with an intense fear of gaining weight. Previous studies have shown that bone density may increase with regaining and maintaining normal weight; however, relatively little is known about the changes in bone metabolism that occur during weight restoration. We describe the effect of weight restoration and maintenance of weight over 1 year on bone mineral density (BMD) and bone turnover. We recruited women from the eating disorders services at the South West London and St George's Mental Health NHS Trust, and the Priory and Charter Nightingale Hospitals in London, UK. Details of their AN, fracture history, menstrual history and exercise were obtained by interview and case note review. Morning samples of blood and second void urine were taken for biochemical analysis. BMD was measured by DXA at the lumbar spine (LS), femoral neck (FN), distal radius (RD) and total body bone mineral content (BMC). Patients then entered the treatment program, which includes re-feeding, dietary education and psychotherapy. Over a period of 42 months, we recruited 55 women who agreed to participate in this study and underwent baseline investigations. Of these, 15 (27%) subjects achieved and then maintained their target weight for the duration of the study. At baseline for all subjects (n=55) estradiol levels were lower than the normal reference ranges (both follicular and luteal phases) in 91% of the women. Bone specific alkaline phosphatase (BSAP) concentrations were lower than the premenopausal reference range in 55% of women, and urinary deoxypyridinoline (DPD) was above the premenopausal reference range in 78% of women. Baseline lumbar spine BMD was positively related to BMI (Pearson's r=0.29, P=0.04) and inversely related to bone turnover markers: urinary DPD (Pearson's r=-0.39, P=0.01 and serum BSAP (Pearson's r=-0.3, P=0.06). The 15 patients who regained and maintained weight were followed-up for a mean duration of 69 weeks (SD 7.3, range 54 to 84 weeks). Mean BMI increased from 14.2 (1.7) to 20.2 (0.77) kg/m2 and remained stable throughout follow-up. Menstruation resumed in 8 of the 15 women. Total body BMC and LS BMD increased significantly over the duration of follow-up (by 4.3% each), but FN BMD and distal radius remained stable. Lumbar spine bone area also increased significantly, whereas FN and distal radius did not. These changes were associated with a significant increase in BSAP (P=0.01), and a non-significant trend for a decrease in DPD (P=0.10). Our findings suggest that when women are at low body weight they are in a hypo-estrogenic state, which is associated with imbalance of bone turnover (high bone resorption and low bone formation). This is reversed with weight gain and persists as target weight is maintained and is associated with increases in BMC and BMD.

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Aims and methodTo assess stigmatising attitudes towards mental illness and psychiatric professionals experienced by UK liaison psychiatry staff. A questionnaire asked about the impact of these events on patient care and for suggestions for tackling stigma in the general hospital.ResultsOut of 72 multidisciplinary respondents, over three-quarters had experienced stigmatising attitudes towards mental illness by general hospital colleagues at least monthly. Two-thirds reported instances where stigmatisation had an adverse impact on patient care, and over a quarter reported stigmatising attitudes towards mental health professionals. Suggestions for combating stigma included educational initiatives, clear clinical communication, and the provision of high-quality liaison services.Clinical implicationsLiaison psychiatry is well placed to both recognise and combat stigma in the general hospital. This can help to ensure that patient care is comprehensive, safe and respectful.

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