the manuscript, references should be cited using Arabic numbers in parentheses. The reference styles for different types of publications are presented in the following examples.

Elderly patients undergoing major cardiac and non-cardiac surgeries have a high propensity (up to 40–60%) of developing postoperative cognitive dysfunction, which are caused by patient’s factors, type of surgery, intraoperative and postoperative factors. All these pose a challenge to the clinicians. The noble gas xenon does not undergo metabolism or any kind of biotransformation in the body owing to its inert nature. Xenon confers excellent hemodynamic stability and provides excellent recovery at the end of surgery. This topical review discusses advantages of xenon anesthesia in elderly patients undergoing major cardiac and non-cardiac surgeries and whether it is worth using a costly anesthetic in elderly patients for preventing postoperative cognitive dysfunction.

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Background:Selection of adequate size double lumen tube (DLT) is complicated by marked inter-individual variability in morphology and dimensions of tracheobronchial tree. Computerized tomography (CT)-guided left bronchus width measurement has been used to predict adequate size DLT in European and Singapore population; however, no such data exist for Indian population who are racially different. We compared the effect of DLT size selection based on CT-guided bronchial width measurement to the conventional method of DLT selection on the adequacy of both lungs isolation and on the safety margin of right-sided DLT.Methods:Fifty-five adults scheduled to undergo thoracotomy were enrolled in this prospective observational study. An appropriate size left- or right-sided DLT with outer diameter 0.5–1 mm smaller than the CT-measured bronchial width was selected for the isolation of lungs. Adequacy of separation was checked using fiberoptic bronchoscope. The safety margin of selected right-sided DLT size was calculated from CT-measured right upper lobe bronchus width and diameter of right upper lobe ventilation slot of the DLT.Results:Adequate separation of lungs was achieved in 92.7% of studied population, 90.9% in males, and 95.4% in females. Among these, 54.9% patients required different sized DLT as compared to conventional method. Overall safety of margin of right-sided DLTs was comparable between two methods of DLT selection (median [IQR] 4.8 (3.5–6.8) vs. 6.59 (3.5–7.8), P = 0.317). DLT size with adequate isolation of lung correlated with height, tracheal width (TW) on chest X-ray, and age of the patients. A formula to calculate DLT size based on these variable was derived.Conclusion:CT-measured bronchial width predicts the appropriate DLT size better than conventional method. In the absence of CT scan facility, patient height, age, and chest X-ray TW may be used to predict DLT size with reasonable accuracy.

Purple urine bag syndrome (PUBS) is a complication and a rare phenomenon associated with bacterial colonisation in bladder catheters in which urine turns purple in the tubing and the catheter bag. This condition can be distressing and panicking for the patients and their families as well as the medical staff caring for them. It is an interesting and unusual presentation that affects people with long-term indwelling catheters and chronic constipation. We report one such case in our hospital, a 73-year-old woman with stage 4 cancer of the vaginal vault, post-bilateral percutaneous nephrostomy (PCN) 4 months ago, currently on best supportive care, presented to the emergency room with symptoms of urosepsis, while a purple urine bag may appear innocuous and not need any particular care beyond replacing the catheter and giving the patient the proper antibiotics, it may indicate an occult urinary tract infection (UTI), which can have catastrophic effects in a patient using a urinary catheter for an extended period of time. Only a few examples of PUBS with an underlying nephrostomy have been documented in the literature. This is a case of a palliative care patient who had a poor prognosis despite receiving the right antibiotic treatment for an upper UTI that caused purple staining of the PCN catheter bag. Using this case report as a guide, we could manage a complex UTI in a palliative care context.

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Malignant Ascites (MA) poses significant symptom burden in patients with peritoneal malignancies at the end of life. Various treatment options are available and Indwelling Tunneled Catheters (ITC) have the advantage of increased patient comfort being soft on abdomen, less painful, easy to tap fluid, and less chances of infection etc. A total of 5 patients underwent insertion of ITC after proper counseling and assessment. Insertion was done in operation theatre under combined ultrasonogram and fluoroscopy guidance. Results: 4 out of 5 patients had favorable outcomes in terms of symptom free days spent at home at end of life. ITC’s are a suitable option to manage symptoms in patients with terminal malignant ascites. Careful patient selection and proper education of the caregivers will increase the success rates of procedures.