S A Chung
Affiliation: University of Toronto
- Blocking low-wavelength light prevents nocturnal melatonin suppression with no adverse effect on performance during simulated shift workLeonid Kayumov
Sleep Research Laboratory, Department of Psychiatry, University Health Network, ECW 3D 035, 399 Bathurst Street, Toronto, Ontario, Canada M5T 2S8
J Clin Endocrinol Metab 90:2755-61. 2005..Unfiltered bright light drastically suppressed melatonin production. Normalization of endogenous melatonin production while wearing goggles did not impair measures of performance, subjective sleepiness, or alertness...
- Knowledge of sleep apnea in a sample grouping of primary care physiciansS A Chung
Sleep Research Laboratory, Department of Psychiatry, Toronto Western Hospital, The University Health Network, Toronto, Ontario, Canada
Sleep Breath 5:115-21. 2001..The purpose of this pilot study was to examine four groups of primary care physicians' knowledge of sleep apnea...
- Sleep and health consequences of shift work in womenSharon A Chung
Sleep Research Unit, University of Toronto, Ontario, Canada
J Womens Health (Larchmt) 18:965-77. 2009..The literature suggests that women shift workers report poor sleep quality and experience reproductive disturbances, an increased risk of breast cancer, and a greater risk of metabolic and cardiovascular disorders...
- How, what, and why of sleep apnea. Perspectives for primary care physiciansSharon A Chung
Department of Psychiatry, Toronto Western Hospital, 399 Bathurst St, ECW 3D 008, Toronto, ON M5T 2S8
Can Fam Physician 48:1073-80. 2002..To review the need for primary care physicians to screen for patients with obstructive sleep apnea (OSA)...
- Subjective and objective evaluation of sleep and performance in daytime versus nighttime sleep in extended-hours shift-workers at an underground mineJamil L Hossain
Sleep Research Laboratory and the Department of Psychiatry, Toronto Western Hospital, University Health Network, Toronto, Ontario, Canada
J Occup Environ Med 46:212-26. 2004..We suggest that these benefits are mostly the result of the timing of the new nightshift start and end times rather than other shift-schedule factors...
- Moderate exercise and bright light treatment in overweight and obese individualsAndrea Dunai
Sleep Research Unit, Department of Psychiatry, Toronto Western Hospital, University Health Network, University of Toronto, Ontario, Canada M5T 2S8
Obesity (Silver Spring) 15:1749-57. 2007..The aim of this study is to conduct a controlled investigation of the effects of bright light therapy and exercise on weight loss and body composition in overweight and obese individuals...
- Polysomnographic and symptomatological analyses of major depressive disorder patients treated with mirtazapineJianhua Shen
Department of Psychiatry, University Health Network, University of Toronto, Toronto, Ontario
Can J Psychiatry 51:27-34. 2006....
- Fatigue and shift workJianhua Shen
Department of Psychiatry, University Health Network, University of Toronto, Toronto, ON, Canada
J Sleep Res 15:1-5. 2006..Future research should address the possibility of using the FSS as an indicator when the frequency of shift work has become high enough to adversely affect work performance or cause health problems...
- Validation of a short questionnaire in English and French for use in patients with persistent upper gastrointestinal symptoms despite proton pump inhibitor therapy: the PASS (Proton pump inhibitor Acid Suppression Symptom) testDavid Armstrong
Division of Gastroenterology, McMaster University, Hamilton, Ontario, Canada
Can J Gastroenterol 19:350-8. 2005....
- STOP questionnaire: a tool to screen patients for obstructive sleep apneaFrances Chung
Department of Psychiatry, University of Toronto, Toronto Western Hospital, University Health Network, Toronto, Ontario, Canada
Anesthesiology 108:812-21. 2008..However, no screening tool for OSA has been validated in surgical patients. This study was conducted to develop and validate a concise and easy-to-use questionnaire for OSA screening in surgical patients...
- Validation of the Berlin questionnaire and American Society of Anesthesiologists checklist as screening tools for obstructive sleep apnea in surgical patientsFrances Chung
Department of Anesthesia, University of Toronto, Toronto Western Hospital, University Health Network, Toronto, Ontario, Canada
Anesthesiology 108:822-30. 2008..This study was conducted to validate the Berlin questionnaire and the American Society of Anesthesiologists (ASA) checklist in surgical patients and to compare them with the STOP questionnaire...
- A systemic review of obstructive sleep apnea and its implications for anesthesiologistsSharon A Chung
Department of Anesthesia, McL 2 405, Toronto Western Hospital, 399 Bathurst St, Toronto, Ontario, Canada M5T2S8
Anesth Analg 107:1543-63. 2008..We present a systematic review of the literature on the perioperative management of surgical patients with OSA...
- The effect of one versus two nights of in-laboratory continuous positive airway pressure titration on continuous positive airway pressure complianceJulia L Kaplan
Department of Psychiatry, Toronto Western Hospital, Toronto, Ontario, Canada
Behav Sleep Med 5:117-29. 2007..To investigate continuous positive airway pressure (CPAP) compliance after one versus two nights of CPAP titration...