Magdy Younes

Summary

Country: Canada

Publications

  1. ncbi Response of ventilator-dependent patients to delayed opening of exhalation valve
    Magdy Younes
    Section of Respiratory and Critical Care Medicine, Department of Medicine, University of Manitoba, Winnipeg, Canada
    Am J Respir Crit Care Med 166:21-30. 2002
  2. ncbi Contributions of upper airway mechanics and control mechanisms to severity of obstructive apnea
    Magdy Younes
    Department of Medicine, University of Manitoba, Winnipeg, Canada
    Am J Respir Crit Care Med 168:645-58. 2003
  3. ncbi Role of arousals in the pathogenesis of obstructive sleep apnea
    Magdy Younes
    Department of Medicine, University of Manitoba, Winnipeg, Canada
    Am J Respir Crit Care Med 169:623-33. 2004
  4. pmc Systemic vs. central administration of common hypnotics reveals opposing effects on genioglossus muscle activity in rats
    Eileen Park
    Department of Medicine, University of Toronto, Toronto, Canada
    Sleep 31:355-65. 2008
  5. pmc Contribution of arousal from sleep to postevent tachycardia in patients with obstructive sleep apnea
    Ali Azarbarzin
    Department of Electrical and Computer Engineering, University of Manitoba, Winnipeg, Manitoba, Canada
    Sleep 36:881-9. 2013
  6. ncbi Pentobarbital sedation increases genioglossus respiratory activity in sleeping rats
    Magdy Younes
    Department of Medicine, University of Toronto, ON, Canada
    Sleep 30:478-88. 2007
  7. pmc Relationship between Arousal Intensity and Heart Rate Response to Arousal
    Ali Azarbarzin
    YRT Ltd, Winnipeg, Manitoba, Canada
    Sleep 37:645-53. 2014
  8. ncbi Hypoxic respiratory response during acute stable hypocapnia
    Stephen Corne
    Department of Respiratory Medicine, University of Manitoba, Winnipeg, Manitoba, Canada
    Am J Respir Crit Care Med 167:1193-9. 2003
  9. doi Sleep monitoring in the intensive care unit: comparison of nurse assessment, actigraphy and polysomnography
    Jaime M Beecroft
    Department of Medicine, University of Calgary, Calgary, AB, Canada
    Intensive Care Med 34:2076-83. 2008
  10. ncbi Mechanisms of breathing instability in patients with obstructive sleep apnea
    Magdy Younes
    Sleep Centre, Foothills Medical Centre, University of Calgary, Calgary, Alberta, Canada
    J Appl Physiol (1985) 103:1929-41. 2007

Detail Information

Publications16

  1. ncbi Response of ventilator-dependent patients to delayed opening of exhalation valve
    Magdy Younes
    Section of Respiratory and Critical Care Medicine, Department of Medicine, University of Manitoba, Winnipeg, Canada
    Am J Respir Crit Care Med 166:21-30. 2002
    ..10 +/- 0.08 L, p = 2E-10). We conclude that acute compensatory responses to delays in opening of exhalation value are weak in ventilator-dependent patients. As a result, such nonsynchrony tends to exacerbate DH...
  2. ncbi Contributions of upper airway mechanics and control mechanisms to severity of obstructive apnea
    Magdy Younes
    Department of Medicine, University of Manitoba, Winnipeg, Canada
    Am J Respir Crit Care Med 168:645-58. 2003
    ..Severity is largely due to factors other than mechanical load. Compensatory effectiveness is impaired in the supine position and in REM sleep, but not by age, sex, or body mass index...
  3. ncbi Role of arousals in the pathogenesis of obstructive sleep apnea
    Magdy Younes
    Department of Medicine, University of Manitoba, Winnipeg, Canada
    Am J Respir Crit Care Med 169:623-33. 2004
    ..They are not needed to initiate opening or to obtain adequate flow and they likely increase the severity of the disorder by promoting greater ventilatory instability...
  4. pmc Systemic vs. central administration of common hypnotics reveals opposing effects on genioglossus muscle activity in rats
    Eileen Park
    Department of Medicine, University of Toronto, Toronto, Canada
    Sleep 31:355-65. 2008
    ..We also determined effects on GG activity with local application to the hypoglossal motor nucleus (HMN)...
  5. pmc Contribution of arousal from sleep to postevent tachycardia in patients with obstructive sleep apnea
    Ali Azarbarzin
    Department of Electrical and Computer Engineering, University of Manitoba, Winnipeg, Manitoba, Canada
    Sleep 36:881-9. 2013
    ..Our objective was to determine the contribution of these physiologic responses to postevent tachycardia...
  6. ncbi Pentobarbital sedation increases genioglossus respiratory activity in sleeping rats
    Magdy Younes
    Department of Medicine, University of Toronto, ON, Canada
    Sleep 30:478-88. 2007
    ..Intermittently, inspired CO2 was increased gradually until arousal occurred...
  7. pmc Relationship between Arousal Intensity and Heart Rate Response to Arousal
    Ali Azarbarzin
    YRT Ltd, Winnipeg, Manitoba, Canada
    Sleep 37:645-53. 2014
    ....
  8. ncbi Hypoxic respiratory response during acute stable hypocapnia
    Stephen Corne
    Department of Respiratory Medicine, University of Manitoba, Winnipeg, Manitoba, Canada
    Am J Respir Crit Care Med 167:1193-9. 2003
    ..We conclude that when apnea occurs under conditions in which central PCO2 is well below the CO2 setpoint, subjects are at risk of developing dangerous hypoxemia due to absence of a hypoxic ventilatory response...
  9. doi Sleep monitoring in the intensive care unit: comparison of nurse assessment, actigraphy and polysomnography
    Jaime M Beecroft
    Department of Medicine, University of Calgary, Calgary, AB, Canada
    Intensive Care Med 34:2076-83. 2008
    ....
  10. ncbi Mechanisms of breathing instability in patients with obstructive sleep apnea
    Magdy Younes
    Sleep Centre, Foothills Medical Centre, University of Calgary, Calgary, Alberta, Canada
    J Appl Physiol (1985) 103:1929-41. 2007
    ....
  11. ncbi Model based analysis of sleep disordered breathing in congestive heart failure
    Zbigniew L Topor
    Department of Physiology and Biophysics, University of Calgary, Calgary, Alta, Canada
    Respir Physiol Neurobiol 155:82-92. 2007
    ..We conclude that development of CSB is the result of a complex interaction between CCR and PCR loops which may, in turn, interact with decreased cardiac output and cardiomegaly...
  12. ncbi Pharyngeal anatomy and severity of obstructive apnea
    Magdy Younes
    Am J Respir Crit Care Med 170:716. 2004
  13. pmc Why does airway pressure rise sometimes near the end of inflation during pressure support?
    Magdy Younes
    Intensive Care Med 34:1-3. 2008
  14. pmc Longitudinal change in the BODE index predicts mortality in severe emphysema
    Fernando J Martinez
    Division of Pulmonary and Critical Care Medicine, University of Michigan Medical Center, Ann Arbor, Michigan 48109 0360, USA
    Am J Respir Crit Care Med 178:491-9. 2008
    ..We hypothesized that decrease in a modified BODE (mBODE) would predict survival in National Emphysema Treatment Trial (NETT) patients...
  15. doi Continuous oxygen use in nonhypoxemic emphysema patients identifies a high-risk subset of patients: retrospective analysis of the National Emphysema Treatment Trial
    Michael B Drummond
    Division of Pulmonary and Critical Care Medicine, The Johns Hopkins University School of Medicine, 5501 Hopkins Bayview Circle, Baltimore, MD 21224, USA
    Chest 134:497-506. 2008
    ..Little is known regarding the clinical characteristics and survival of nonhypoxemic emphysema patients using continuous oxygen. Analysis of data from the National Emphysema Treatment Trial (NETT) offers insight into this population...
  16. ncbi Measurement of the CO2 apneic threshold
    Magdy Younes
    Am J Respir Crit Care Med 167:472; author relpy 472-3. 2003