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Sigrid C. Veasey, MD, DABSM

Sigrid C. Veasey, MD, DABSM Physician

Professor of Medicine
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Dr. Veasey is a Penn Medicine employed physician.

Clinical Specialties

Specialty:

  • Sleep Medicine

Programs & Centers:

Board Certification:

  • Internal Medicine, 1988
  • Sleep Medicine (ABSM), 2007

Clinical Expertise:

  • Narcolepsy
  • Restless Leg Syndrome
  • Sleep Apnea Residual Sleepiness
  • Sleep Disorders

Practice Locations and Appointments

Insurance Accepted

  • Aetna US Healthcare
  • Cigna
  • Cigna HealthSpring
  • CVS Health
  • Devon Health Services (Americare)
  • Gateway Health Plan
  • Geisinger Health Plan
  • HealthAmerica / HealthAssurance, a Coventry Plan
  • HealthPartners
  • HealthPartners Medicare
  • HealthSmart
  • Highmark Blue Shield
  • Horizon Blue Cross Blue Shield of New Jersey
  • Humana / Choicecare
  • Independence Blue Cross (Keystone East)
  • Intergroup
  • Keystone First
  • Multiplan
  • NJ Medicaid
  • NJ Qualcare
  • Oxford Health Plan
  • PA Medicaid
  • PA Medicare
  • Preferred Health Care/LGH
  • Rail Road Medicare / Palmetto GBA
  • Remedy Partners at Penn Medicine
  • Tricare
  • United Healthcare
  • UnitedHealthcare Community Plan
  • US Family Health Plan

Education and Training

Medical School: University of Virginia
Residency: Graduate Hospital
Fellowship: Hospital of the University of Pennsylvania

Memberships

American Board of Sleep Medicine, National Sleep Research Society, International Society for Neuroscience, International

Hospital Affiliation

Dr. Veasey is a Penn Medicine employed physician.

Hospital Privileges:

  • Hospital of the University of Pennsylvania: Has privileges to treat patients in the hospital.

Research

Description of Research Expertise:

Dr. Veasey’s laboratory focuses on identifying the molecular mechanisms underlying sleep disorder neural injury, including sleep loss induced neuroinflammatory injury to wake-active neurons and neural injury incurred by hypoxia/reoxygenation events of obstructive sleep apnea. The lab uses a diverse array of molecular and imaging techniques to answer clinically relevant questions in Sleep Medicine: How are wake neurons injured with aging and other metabolic challenges? How does sleep apnea injure neurons? The overreaching goal is towards developing therapies to prevent neural injury.

Wake-active neurons in the brain are essential for optimal wakefulness and cognitive performance.
Although there are many groups of these neurons, each playing unique roles in wake responses, the catecholaminergic wake neurons in the locus coeruleus and dorsal midbrain are particularly sensitive to diverse injuries, including aging and neurodegenerative processes. We have recently identified SIRT1 as a key regulator of wake-active neuron function and integritys, one that is lost with aging. A key focus for the lab now is to identify why this is lost and why wake neurons rely so heavily on this protectant. Her lab is now keenly intrigued by sleep loss neuroinflammatory injury to locus coeruleus neurons that results in synaptic pruning and cognitive impairments.

The second focus for the lab is neural injury in sleep apnea. Dr. Veasey's lab identified the specific wake active neuronal populations injured by hypoxia/reoxygenation, the two catecholaminergic groups the noradrenergic locus coeruleus and dopmainergic periacqueductal grey wake neurons. By comparing phenotypes and responses in these vulnerable to resistant wake neuronal populations, her group identified NADPH oxidase as a major contributor to the oxidative injury. Dr. Veasey is now comparing and contrasting these responses with other groups of neurons known to be injured in obstructive sleep apnea. The goal is to find major mechanisms of injury in hippocampal, hypothalamic and cortical neurons and then begin translational studies to identify the optimal overall pharmacotherapeutic approach to prevent or minimize neural injury in sleep apnea.

Selected Publications:

Zhu Y, Fenik P, Zhan G, Somach R, Xin R, Veasey S.: Intermittent Short Sleep Results in Lasting Sleep Wake Disturbances and Degeneration of Locus Coeruleus and Orexinergic Neurons. Sleep 39 (8): 1601-11,2016.

Perron IJ, Pack AI, Veasey S.: Diet/Energy Balance Affect Sleep and Wakefulness Independent of Body Weight. Sleep 38 (1): 1893-903,2015.

Beier UH, Angelin A, Akimova T, Wang L, Liu Y, Xiao H, Koike MA, Hancock SA, Bhatti TR, Han R, Jiao J, Veasey SC, Sims CA, Baur JA, Wallace DC, Hancock WW.: Essential role of mitochondrial energy metabolism in Foxp3+ T-regulatory cell function and allograft survival. FASEB J. in press : 2015.

Yan Zhu, Polina Fenik, Guan Xia Zhan and Sigrid Veasey: Degeneration in Arousal Neurons in Chronic Sleep Disruption Modeling Sleep Apnea Frontiers in Neurology in press : 2015.

Zhang, J., Zhu, Y., Zhan, G., Fenik, P., Panossian, L., Wang, M.M., Reid, S., Lai, D., Davis, J.G., Baur, J.A., Veasey, S.: Extended wakefulness: compromised metabolics in and degeneration of locus ceruleus neurons J Neurosci 34 (12): 4418-4431,2014.

Zhang, J., Peng, H., Veasey, S.C., Ma, J., Wang, G.F., Wang, K.W.: Blockade of Na+/H+ exchanger type 3 causes intracellular acidification and hyperexcitability via inhibition of pH-sensitive K+ channels in chemosensitive respiratory neurons of the dorsal vagal nucleus in rats Neuroscience Bulletin 30 (1): 43-52,2014.

Li, Y., Panossian, L.A., Zhang, J., Zhu, Y., Zhan, G., Chou, Y.T., Fenik, P., Bhatnagar, S., Piel, D.A., Beck, S.G., Veasey, S.: Effects of chronic sleep fragmentation on wake-active neurons and the hypercapnic arousal response. Sleep 36 (10): 1471-1481,2013.

Chou, Y., Zhan, G., Zhu, Y., Fenik, P., Panossian, L., Li, Y., Zhang, J., Veasey, S.: C/EBP homologous binding protein (CHOP) underlies neural injury in sleep apnea model Sleep 36 (4): 481-492,2013.

Veasey, S., White, D.P.: Obstructive sleep apnea pharmacotherapy: one step closer American Journal of Respiratory and Critical Care Medicine 187 (3): 226-227,2013.

Moore, J.T., Chen, J., Han, B., Meng, Q.C., Veasey, S.C., Beck, S.G., Kelz, M.B.: Direct activation of sleep-promoting VLPO neurons by volatile anesthetics contributes to anesthetic hypnosis Current Biology 22 (21): 2008-2016,2012.

Academic Contact Info

Center for Sleep and Circadian Neurobiology
Translational Research Laboratories
125 South 31st Street, Suite 2100

Philadelphia, PA 19104-3403
Phone: (215) 746-4812
Fax: (215) 746-4814
Patient appointments: 800-789-PENN (7366)

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