R Arens

Summary

Affiliation: The Children's Hospital of Philadelphia
Country: USA

Publications

  1. ncbi request reprint Magnetic resonance imaging of the upper airway structure of children with obstructive sleep apnea syndrome
    R Arens
    Division of Pulmonary Medicine, Children s Hospital of Philadelphia, Philadelphia, Pennsylvania 19104 4399, USA
    Am J Respir Crit Care Med 164:698-703. 2001
  2. ncbi request reprint Linear dimensions of the upper airway structure during development: assessment by magnetic resonance imaging
    Raanan Arens
    Division of Pulmonary Medicine, The Children s Hospital of Philadelphia, University of Pennsylvania Medical Center, University of Pennsylvania School of Medicine, Philadelphia, Pennsylvania 19104 4399, USA
    Am J Respir Crit Care Med 165:117-22. 2002
  3. ncbi request reprint Upper airway size analysis by magnetic resonance imaging of children with obstructive sleep apnea syndrome
    Raanan Arens
    Division of Pulmonary Medicine, Children s Hospital of Philadelphia, Philadelphia, Pennsylvania 19104 4399, USA
    Am J Respir Crit Care Med 167:65-70. 2003
  4. pmc Changes in upper airway size during tidal breathing in children with obstructive sleep apnea syndrome
    Raanan Arens
    Division of Pulmonary Medicine, The Children s Hospital of Philadelphia, 34th Street and Civic Center Boulevard, Philadelphia, PA 19104 4399, USA
    Am J Respir Crit Care Med 171:1298-304. 2005
  5. ncbi request reprint Magnetic resonance imaging of the upper airway in children with Down syndrome
    E C Uong
    Division of Pulmonary Medicine, Children's Hospital of Philadelphia, and Center for Sleep and Respiratory Neurobiology, University of Pennsylvania School of Medicine, Philadelphia, Pennsylvania 19104-4399, USA
    Am J Respir Crit Care Med 163:731-6. 2001
  6. ncbi request reprint Pathophysiology of upper airway obstruction: a developmental perspective
    Raanan Arens
    Division of Pulmonary Medicine and Sleep Disorders Center, The Children s Hospital of Philadelphia, University of Pennsylvania School of Medicine, Philadelphia 19104, USA
    Sleep 27:997-1019. 2004
  7. ncbi request reprint Polysomnographic values in children 2-9 years old: additional data and review of the literature
    Nadav Traeger
    Division of Pulmonary Medicine and Sleep Disorders Center, Children s Hospital of Philadelphia, Philadelphia, Pennsylvania 19104 4399, USA
    Pediatr Pulmonol 40:22-30. 2005
  8. ncbi request reprint Effect of lateral positioning on upper airway size and morphology in sedated children
    Ronald S Litman
    University of Pennsylvania School of Medicine, Philadelphia, Pennsylvania 19104, USA
    Anesthesiology 103:484-8. 2005
  9. ncbi request reprint A novel volumetric magnetic resonance imaging paradigm to study upper airway anatomy
    Kevin C Welch
    Center for Sleep and Respiratory Neurobiology, University of Pennsylvania Medical Center, Philadelphia 19104 4283, USA
    Sleep 25:532-42. 2002
  10. pmc Velopharyngeal anatomy in 22q11.2 deletion syndrome: a three-dimensional cephalometric analysis
    Rachel A Ruotolo
    Hospital of the University of Pennsylvania, Philadelphia, Pennsylvania, USA
    Cleft Palate Craniofac J 43:446-56. 2006

Collaborators

Detail Information

Publications17

  1. ncbi request reprint Magnetic resonance imaging of the upper airway structure of children with obstructive sleep apnea syndrome
    R Arens
    Division of Pulmonary Medicine, Children s Hospital of Philadelphia, Philadelphia, Pennsylvania 19104 4399, USA
    Am J Respir Crit Care Med 164:698-703. 2001
    ..1 versus 2.7 +/- 1.2 cm(3); p < 0.05). We conclude that in children with moderate OSAS, the upper airway is restricted both by the adenoid and tonsils; however, the soft palate is also larger in this group, adding further restriction...
  2. ncbi request reprint Linear dimensions of the upper airway structure during development: assessment by magnetic resonance imaging
    Raanan Arens
    Division of Pulmonary Medicine, The Children s Hospital of Philadelphia, University of Pennsylvania Medical Center, University of Pennsylvania School of Medicine, Philadelphia, Pennsylvania 19104 4399, USA
    Am J Respir Crit Care Med 165:117-22. 2002
    ..Our data indicate that soft tissues, including tonsils and adenoid, surrounding the upper airway grow proportionally to the skeletal structures during the same time period...
  3. ncbi request reprint Upper airway size analysis by magnetic resonance imaging of children with obstructive sleep apnea syndrome
    Raanan Arens
    Division of Pulmonary Medicine, Children s Hospital of Philadelphia, Philadelphia, Pennsylvania 19104 4399, USA
    Am J Respir Crit Care Med 167:65-70. 2003
    ....
  4. pmc Changes in upper airway size during tidal breathing in children with obstructive sleep apnea syndrome
    Raanan Arens
    Division of Pulmonary Medicine, The Children s Hospital of Philadelphia, 34th Street and Civic Center Boulevard, Philadelphia, PA 19104 4399, USA
    Am J Respir Crit Care Med 171:1298-304. 2005
    ..3 +/- 2.3 years) and 10 matched control subjects (age, 5.0 +/- 2.0 years). We hypothesized that respiratory cycle fluctuations in upper airway cross-sectional area would be larger in children with OSAS...
  5. ncbi request reprint Magnetic resonance imaging of the upper airway in children with Down syndrome
    E C Uong
    Division of Pulmonary Medicine, Children's Hospital of Philadelphia, and Center for Sleep and Respiratory Neurobiology, University of Pennsylvania School of Medicine, Philadelphia, Pennsylvania 19104-4399, USA
    Am J Respir Crit Care Med 163:731-6. 2001
    ..This study shows that Down syndrome children without OSA do not have increased adenoid or tonsillar volume; reduced upper airway size is caused by soft tissue crowding within a smaller mid- and lower face skeleton...
  6. ncbi request reprint Pathophysiology of upper airway obstruction: a developmental perspective
    Raanan Arens
    Division of Pulmonary Medicine and Sleep Disorders Center, The Children s Hospital of Philadelphia, University of Pennsylvania School of Medicine, Philadelphia 19104, USA
    Sleep 27:997-1019. 2004
    ..This compensatory response appears to be blunted in children with OSAS. Further research is needed to fully understand the complexities of upper airway structure and function during both normal development and disease...
  7. ncbi request reprint Polysomnographic values in children 2-9 years old: additional data and review of the literature
    Nadav Traeger
    Division of Pulmonary Medicine and Sleep Disorders Center, Children s Hospital of Philadelphia, Philadelphia, Pennsylvania 19104 4399, USA
    Pediatr Pulmonol 40:22-30. 2005
    ..We also confirm previous data on the frequency distribution of sleep stages, SpO2, and relative rarity of respiratory events in this age group...
  8. ncbi request reprint Effect of lateral positioning on upper airway size and morphology in sedated children
    Ronald S Litman
    University of Pennsylvania School of Medicine, Philadelphia, Pennsylvania 19104, USA
    Anesthesiology 103:484-8. 2005
    ..The authors hypothesized that lateral positioning increases upper airway cross-sectional area and total upper airway volume when compared with the supine position in sedated, spontaneously breathing children...
  9. ncbi request reprint A novel volumetric magnetic resonance imaging paradigm to study upper airway anatomy
    Kevin C Welch
    Center for Sleep and Respiratory Neurobiology, University of Pennsylvania Medical Center, Philadelphia 19104 4283, USA
    Sleep 25:532-42. 2002
    ..These MRI techniques allowed us to objectively quantify the volume of the tongue, soft palate, parapharyngeal fat pads, and lateral pharyngeal walls...
  10. pmc Velopharyngeal anatomy in 22q11.2 deletion syndrome: a three-dimensional cephalometric analysis
    Rachel A Ruotolo
    Hospital of the University of Pennsylvania, Philadelphia, Pennsylvania, USA
    Cleft Palate Craniofac J 43:446-56. 2006
    ..The purpose of this study was to assess VP structure in patients with 22q11.2 deletion syndrome by using 3D MRI analysis...
  11. pmc Family aggregation of upper airway soft tissue structures in normal subjects and patients with sleep apnea
    Richard J Schwab
    Center for Sleep and Respiratory Neurobiology, 893 Maloney Building, University of Pennsylvania Medical Center, 3600 Spruce Street, Philadelphia, PA 19104 4283, USA
    Am J Respir Crit Care Med 173:453-63. 2006
    ..Sleep apnea is believed to be a genetic disorder. Thus, we hypothesized that anatomic risk factors for sleep apnea would demonstrate family aggregation...
  12. ncbi request reprint Identification of upper airway anatomic risk factors for obstructive sleep apnea with volumetric magnetic resonance imaging
    Richard J Schwab
    Center for Sleep and Respiratory Neurobiology, 893 Maloney Building, University of Pennsylvania Medical Center, 3600 Spruce Street, Philadelphia, PA 19104 4283, USA
    Am J Respir Crit Care Med 168:522-30. 2003
    ..66; 95% CI, 2.31-10.95); and (3) total soft tissue (OR, 6.95; 95% CI, 3.08-19.11). In a multivariable logistic regression analysis the volume of the tongue and lateral walls was shown to independently increase the risk of sleep apnea...
  13. pmc Developmental aspects of the upper airway: report from an NHLBI Workshop, March 5-6, 2009
    Carole L Marcus
    Children s Hospital of Philadelphia, Philadelphia, Pennsylvania, USA
    Proc Am Thorac Soc 6:513-20. 2009
    ..This report provides recommendations that could facilitate translation of basic research findings into practice to better diagnose, treat, and prevent airway compromise in children...
  14. ncbi request reprint Mandibular dimensions in children with obstructive sleep apnea syndrome
    Patricia H Schiffman
    Division of Plastic and Reconstructive Surgery, The Children s Hospital of Philadelphia, Pennsylvania 19104 4399, USA
    Sleep 27:959-65. 2004
    ..We used magnetic resonance imaging to determine the mandible dimensions of children with OSAS...
  15. ncbi request reprint Computational fluid dynamics modeling of the upper airway of children with obstructive sleep apnea syndrome in steady flow
    Chun Xu
    Department of Mechanical Engineering and Mechanics, Drexel University, 3141 Chestnut St, STE 2 115, and Division of Pulmonary Medicine, Chidren s Hospital of Philadelphia, PA 19104, USA
    J Biomech 39:2043-54. 2006
    ..The model may also help explain regional dynamic airway narrowing during expiration...
  16. pmc Diagnostic issues in pediatric obstructive sleep apnea
    Hiren Muzumdar
    Division of Respiratory and Sleep Medicine, The Children s Hospital at Montefiore, Albert Einstein College of Medicine, Yeshiva University, Bronx, NY 10467 2490, USA
    Proc Am Thorac Soc 5:263-73. 2008
    ....
  17. ncbi request reprint Development of a measure of knowledge and attitudes about obstructive sleep apnea in children (OSAKA-KIDS)
    Elizabeth C Uong
    Division of Allergy and Pulmonary Medicine, Department of Pediatrics, Washington University School of Medicine, St Louis, MO 63110, USA
    Arch Pediatr Adolesc Med 159:181-6. 2005
    ..Primary care physicians play an important role in screening for childhood obstructive sleep apnea syndrome (OSAS) that, if untreated, can result in serious complications...