This is the only study on public knowledge regarding PD in Asia. Important gaps in knowledge were evident, which could present a barrier to early diagnosis and appropriate treatment of PD. This highlights the need for targeted education campaigns and further research in this area.

Aims We aimed to examine if bariatric surgery was associated with a reduction in the prevalence of depressive and anxiety symptoms among people with obesity. Materials and Methods We pooled data from 49 studies involving 11,255 people with obesity who underwent bariatric surgery. The study outcomes were the prevalence of depressive and anxiety symptoms among these patients pre‐ and post‐surgery. Results There was a significant reduction in body mass index (BMI) post‐operatively (pooled d+: −13.3 kg/m2 [95% confidence interval [CI] 15.19, −11.47], p < 0.001). The pooled proportion of patients with anxiety symptoms reduced from 24.5% pre‐operatively to 16.9% post‐operatively, with an odds ratio (OR) of 0.58 (95% CI 0.51, 0.67, p < 0.001). The reduction remained significant in women aged ≥40 years and irrespective of post‐operative BMI. There were significant reductions in Hospital Anxiety and Depression Score (HADS) (anxiety component) by 0.64 (pooled d+: −0.64 [95% CI −1.06, −0.22], p = 0.003) and Generalized Anxiety Disorder Assessment‐7 score by 0.54 (pooled d+: −0.54 [95% CI −0.64, −0.44], p < 0.001). The pooled proportion of depressive symptoms reduced from 34.7% pre‐operatively to 20.4% post‐operatively, with an OR of 0.49 (95% CI 0.37, 0.65, p < 0.001). The reduction remained significant irrespective of patient's age and post‐operative BMI. There were also significant reductions in HADS score (depressive component) (pooled d+: −1.34 [95% CI −1.93, −0.76], p < 0.001), Beck’s Depression Inventory score (pooled d+: −1.04 [95% CI −1.46, −0.63], p < 0.001) and Patient Health Questionnaire‐9 score (pooled d+: −1.11 [95% CI −1.21, −1.01], p < 0.001). Conclusion Bariatric surgery was associated with significant reduction in the prevalence and severity of depressive and anxiety symptoms among people with obesity.

Obstructive sleep apnea is a chronic, sleep-related breathing disorder, which is an independent risk factor for cardiovascular disease. The renin-angiotensin-aldosterone system regulates salt and water homeostasis, blood pressure, and cardiovascular remodelling. Elevated aldosterone levels are associated with excess morbidity and mortality.We aimed to analyse the influence and implications of renin-angiotensin-aldosterone system derangement in individuals with and without obstructive sleep apnea. We pooled data from 20 relevant studies involving 2828 participants (1554 with obstructive sleep apnea, 1274 without obstructive sleep apnea). The study outcomes were the levels of renin-angiotensin-aldosterone system hormones, blood pressure and heart rate. Patients with obstructive sleep apnea had higher levels of plasma renin activity (pooled wmd+ 0.25 [95% confidence interval 0.04-0.46], p = 0.0219), plasma aldosterone (pooled wmd+ 30.79 [95% confidence interval 1.05-60.53], p = 0.0424), angiotensin II (pooled wmd+ 5.19 [95% confidence interval 3.11-7.27], p < 0.001), systolic (pooled wmd+ 5.87 [95% confidence interval 1.42-10.32], p = 0.0098) and diastolic (pooled wmd+ 3.40 [95% confidence interval 0.86-5.94], p = 0.0086) blood pressure, and heart rate (pooled wmd+ 3.83 [95% confidence interval 1.57-6.01], p = 0.0009) compared with those without obstructive sleep apnea. The elevation remained significant (except for renin levels) when studies involving patients with resistant hypertension were removed. Sub-group analysis demonstrated that levels of angiotensin II were significantly higher only among the Asian population with obstructive sleep apnea compared with those without obstructive sleep apnea. Body mass index accounted for less than 10% of

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Background: Apart from treating the underlying causes, other treatment options for SIAD are of limited success. Drug repurposing of SGLT2 inhibitors for use in SIAD has been suggested. Clinical Case: A 72 years old gentleman with type 2 diabetes mellitus, hypertension, ischemic cardiomyopathy (ejection fraction 40%) and paranoid personality disorder presented with 3-day history of confusion, vomiting and reduced appetite. On examination, he was fully alert, afebrile, blood pressure 173/81 mmHg, heart rate 83 beats per minute and euvolemic. There were fine crackles in the lung bases bilaterally. Random capillary blood glucose level was 5.6 mmol/L (100 mg/dL) and there was no hypoxia. Laboratory results were suggestive of SIAD (serum sodium [Na] 115 mmol/L, serum osmolality 241 mmol/kg, urine osmolarity 458 mmol/kg, spot urine Na 56.7 mmol/L) with normal fT4 (17.6 pmol/L [1.37 ng/dL]), TSH (1.6 mIU/L) and cortisol (821 nmol/L [29.7 mcg/dL]) levels. Medications at admission were daily dosing of olanzapine 7.5 mg, sitagliptin/metformin 50/850 mg, losartan 50 mg, rosuvastatin 10 mg and aspirin 100 mg. Further investigations for causes of SIAD including magnetic resonance imaging of the brain and contrast-enhanced computed tomography of thorax, abdomen and pelvis were normal. He was treated with fluid restriction (1 liter/day) and furosemide (oral 20 mg daily for 2 doses, followed by intravenous 20 mg twice daily for 3 doses) on day 1-4, leading to negative fluid balance (total 3300 ml) with an increment in serum Na to 124 mmol/L on day 5. However, this was accompanied by a reduction in systolic blood pressure (148 to 118 mmHg) and serum potassium level (4.7 to 3.7 mmol/L), along with marked increases in urea (2.7 to 8.8 mmol/L) and creatinine levels (51 to 75 µmol/L) (eGFR from &gt;90 to 87 mL/min/1.73m2). Hence, furosemide was stopped and empagliflozin 12.5 mg daily was initiated on day 5 with continuation of fluid restriction. Serum Na level increased by 2 mmol/L to 126 mmol/L after 12 hours and by 3 mmol/L (to 129 mmol/L) on subsequent day with negative fluid balance (950 ml per 24 hours). Urea and eGFR levels improved and losartan was reintroduced for blood pressure control. There was no euglycemic diabetic ketoacidosis episode. Patient was discharged on day 10 with a serum Na level of 131 mmol/L. Outpatient follow up 5 days after discharge showed further improvement in serum Na level to 134 mmol/L with serum osmolality 286 mmol/kg and urine osmolarity 672 mmol/kg. Clinical Lesson: SGLT2 inhibition can be considered as one of the treatment options of hyponatremia secondary to SIAD with good tolerability