Karen P. L. Chan

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We investigated the effect of age and health variables known to modulate cognitive aging on several measures of cognitive performance and brain volume in a cohort of healthy, non-demented persons of Chinese descent aged between 55 and 86 years. 248 subjects contributed combined neuropsychological, MR imaging, health and socio-demographic information. Speed(More)
STUDY OBJECTIVE To estimate the difference in pain associated with the wearing or removal of suction or non-suction drains after gynecologic laparoscopic surgery. DESIGN A randomized controlled trial from August 2006 through October 2007 (Canadian Task Force Classification I). SETTING Royal Hospital for Women, Department of Endo-Gynaecology and School(More)
Children with stable asthma receiving twice-daily fluticasone propionate (FP) were studied. Spirometry, exhaled nitric oxide (eNO) and sputum eosinophils were measured at baseline and 8 weeks after FP was changed to once-daily use while keeping the same total dosage. Visual analogue scores on asthma severity, symptoms, and dosing regimen preference were(More)
The complications of pneumothorax and pneumomediastinum following tracheotomy formaton are well documented. We report the management of a 69-year-old man with T3N0 squamous cell carcinoma of the larynx, who was planned to undergo per oral laser excision. Based on the degree of airway compromise, at operation, awake fibre-optic intubation was unsuccessful;(More)
OBJECTIVE To compare the estimated residual pelvic fluid volume in women receiving suction or nonsuction drains after gynecologic laparoscopic surgery using transvaginal ultrasonography. METHODS In this randomized comparative study of women undergoing a laparoscopic surgical procedure for benign gynecologic conditions, women requiring postoperative(More)
STUDY OBJECTIVE To estimate the incidence of and factors leading to bladder dysfunction after laparoscopic gynecological surgery for benign disorders. DESIGN Prospective observational study (Canadian Task Force Classification II-3). SETTING Tertiary referral hospital in Sydney, Australia. PATIENTS One hundred eight women undergoing elective(More)
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