Browsing by Author "Quan, Stuart"
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The Association Between Obstructive Sleep Apnea Characterized by a Minimum 3 Percent Oxygen Desaturation or Arousal Hypopnea Definition and Hypertension
Budhiraja, Rohit; Javaheri, Sogol; Parthasarathy, Sairam; Berry, Richard B.; Quan, Stuart (American Academy of Sleep Medicine (AASM), 2019-09-15)Study Objectives: The association between obstructive sleep apnea (OSA) and hypertension in prior studies has been determined using a definition of hypopnea requiring a 4% O2 desaturation. However, the American Academy ... -
Association Between Sleep Disordered Breathing and Behavior in School-Aged Children: The Tucson Children's Assessment of Sleep Apnea Study
Quan, Stuart Fun; Zhao, Qiuhong; Sherrill, Duane L.; Goodwin, James L. (Bentham Science Publishers Ltd., 2008)Study Objectives—This study analyzed the association between the Respiratory Disturbance Index (RDI) and two behavior measures, the Conners’ Parent Rating Scale (CPRS-R) and the Child Behavior Checklist (CBCL) in school-aged ... -
Association of Incident Cardiovascular Disease With Progression of Sleep-Disordered Breathing
Chami, Hassan; Resnick, Helaine; Quan, Stuart; Gottlieb, Daniel (Ovid Technologies (Wolters Kluwer Health), 2011-03-29)Background—Prospective data suggest that sleep-disordered breathing enhances risk for incident and recurrent cardiovascular disease (CVD). However, a reverse causal pathway whereby incident CVD causes or worsens sleep-disordered ... -
Association of Sleep Disorders With Physician Burnout
Weaver, Matthew; Robbins, Rebecca; Quan, Stuart; O’Brien, Conor S.; Viyaran, Natalie; Czeisler, Charles; Barger, Laura K.; Barger, Laura (American Medical Association (AMA), 2020-10-30)Physicians’ mental health concerns affect the quality of life of caregivers, patient safety, health care expenditures, and occupational turnover. More than half of US physicians report burnout. Sleep deficiency is common—often ... -
Blood Pressure Elevation Associated with Sleep-Related Breathing Disorder in a Community Sample of White and Hispanic Children
Enright, Paul L.; Goodwin, James L.; Sherrill, Duane L.; Quan, Jeremy R.; Quan, Stuart (American Medical Association (AMA), 2003-09-01)Background: The Tucson Children's Assessment of Sleep Apnea study (TuCASA) was designed to investigate the prevalence and correlates of objectively measured sleep-related breathing disorder (SBD) in preadolescent Hispanic ... -
BPAP for CPAP failures: For the many or the few
Omobomi, Olabimpe; Quan, Stuart (Wiley, 2019-08-22) -
Brief Review: Sleep Health and Safety for Transportation Workers
Quan, Stuart Fun; Barger, Laura (Arizona Thoracic Society, 2015)Accidents related to sleepiness related fatigue are an important concern in transportation related industries. This brief review outlines the public safety concerns with sleepiness related fatigue in the railroad, aviation ... -
Clinical and Polysomnographic Correlates of Subjective Sleepiness in Mild Obstructive Sleep Apnea
Omobomi, Olabimpe; Batool-Anwar, Salma; Quan, Stuart (Springer Science and Business Media LLC, 2019-06-19)Purpose: The decision to treat mild obstructive sleep apnea (OSA) often hinges on the presence of subjective daytime sleepiness. This study was done to identify clinical and polysomnographic features which correlate with ... -
Clinical Screening of School Children for Polysomnography to Detect Sleep-Disordered Breathing–the Tucson Children’s Assessment of Sleep Apnea Study (TuCASA)
Goodwin, James L.; Kaemingk, Kris L.; Mulvaney, Shelagh A.; Morgan, Wayne J.; Quan, Stuart (American Academy of Sleep Medicine (AASM), 2005-07-15)Study Objectives This report describes the associations, specificities, sensitivities, and positive likelihood ratios of clinical symptoms to a finding of sleep-disordered breathing (SDB) on polysomnography in ... -
Cognitive Functioning and Academic Performance in Elementary School Children with Anxious/Depressed and Withdrawn Symptoms
Lundy, SM; Sliva, GE; Kaemingk, K.L.; Goodwin, Joy; Quan, Stuart Fun (Bentham Science Publishers Ltd., 2010)Rationale: Few studies have evaluated the relationship between depressive symptomatology and neuropsychological performance in children without symptomatic depression.Objectives: This study determined the relationship ... -
Continuous Positive Airway Pressure
Babar, Sardar I.; Quan, Stuart (American Medical Association (AMA), 2003-03-10) -
The contribution of sleep problems to academic and psychosocial functioning
Perfect, Michelle M.; Levine-Donnerstein, Deborah; Archbold, Kristen; Goodwin, James L.; Quan, Stuart (Wiley, 2014-01-28)The current study examined the concurrent and longitudinal relations among sleep problems with academic and psychosocial functioning in a prospective cohort study, the Tucson Children’s Assessment of Sleep Apnea study ... -
Control of Breathing in Children With Mild Sleep Apnoea: A 6-Year Follow-Up Study
Rice, Amber; Costy-Bennett, Seres; Goodwin, James; Quan, Stuart; Fregosi, Ralph F (European Respiratory Society (ERS), 2010-01)We have previously shown that children (average age 9 yrs) with mildly elevated obstructive apnoea/hypopnoea indices (OAHI) retained CO(2) at rest. Here, we report the results of a 6-yr follow-up study on 14 children from ... -
The Course of Persistent Airflow Limitation in Subjects With and Without Asthma
Guerra, Stefano; Sherrill, Duane L.; Kurzius-Spencer, Margaret; Venker, Claire; Halonen, Marilyn; Quan, Stuart; Martinez, Fernando D. (Elsevier BV, 2008-10)Rationale Most patients who develop persistent airflow limitation do so either as a manifestation of chronic obstructive pulmonary disease that is largely related to smoking or as a consequence of persistent asthma. We ... -
CPAP versus Oxygen in Obstructive Sleep Apnea
Gottlieb, Daniel; Punjabi, Naresh M.; Mehra, Reena; Patel, Sanjay R.; Quan, Stuart; Babineau, Denise C.; Tracy, Russell P.; Rueschman, Michael; Blumenthal, Roger S.; Lewis, Eldrin F.; Bhatt, Deepak; Redline, Susan (Massachusetts Medical Society, 2014-06-12)Background Obstructive sleep apnea is associated with hypertension, inflammation, and increased cardiovascular risk. Continuous positive airway pressure (CPAP) reduces blood pressure, but adherence is often suboptimal, ... -
The development of a clinically relevant sleep modification protocol for youth with Type 1 diabetes.
Perfect, Michelle M.; Beebe, Dean W.; Levine-Donnerstein, Deborah; Frye, Sara S.; Bluez, Grai P.; Quan, Stuart Fun (American Psychological Association (APA), 2016)Findings from type 2 diabetes research indicate that sleep is both a predictor of onset and a correlate of disease progression. However, the role sleep plays in glucose regulation and daytime functioning in youth with type ... -
The effect of CPAP on HRQOL as Measured by the quality of Well-Being Self-Administered Questionnaire (QWB-SA)
Batool-Anwar, Salma; Omobomi, Olabimpe; Quan, Stuart (Southwest Journal of Pulmonary and Critical Care, 2020-01-14)Background: To examine the effect of continuous positive airway pressure (CPAP) on Health-related quality of life (HRQoL) as measured by the Quality of Well Being Self-Administered questionnaire (QWB-SA). Methods: ... -
The effect of sleep deficiency on esophageal acid exposure of healthy controls and patients with gastroesophageal reflux disease
Quan, Stuart; Yamasaki, Takahisa; Fass, Ronnie (Wiley, 2019-11-07)Background: Studies have demonstrated a bi-directional relationship between sleep deficiency and gastroesophageal reflux disease (GERD). However, there is limited data on how sleep deficiency affects esophageal acid ... -
Effects of Exercise and Nutritional Intake on Sleep Architecture in Adolescents
Awad, Karim M.; Drescher, Amy A.; Malhotra, Atul; Quan, Stuart (Springer Science and Business Media LLC, 2012-03)PURPOSE Few studies have evaluated the relationship between sleep architecture and BMI, nutrition, and physical activity in children. This study determined the relationship between sleep architecture and diet and ... -
Effects of Sleep Patterns and Obesity on Increases in Blood Pressure in a 5-Year Period: Report from the Tucson Children's Assessment of Sleep Apnea Study
Archbold, Kristen; Vasquez, Monica M.; Goodwin, James L.; Quan, Stuart (Elsevier BV, 2012-07)Objectives To determine associations between body mass index (BMI) and sleep on blood pressure over a 5-year period from childhood to adolescence. Study design A longitudinal, community-based sample of 334 children ...