Sean H Flack, MD

Anesthesiology

On staff since July 2004

Children's Title: Regional Anesthesia Director; Interim Medical Director, PASS Clinic

Academic Title: Associate Professor

Research Center: Center for Clinical and Translational Research

"I come to work every day because I have the opportunity to make a difference in the lives of my patients and their families. I cherish the trust parents place in me and do my utmost to repay their trust by delivering the highest standard of care that I can."

• Patient Testimonials
  • Jane University Place, WA 05.11.11

    Dr. Flack is one of the kindest and most reassuring medical professionals I've encountered. I'm always nervous about going under anesthesia and when talking to him, I felt less fearful. Thank you!

  Recommend Sean H Flack, MD
• Awards and Honors

  Award Name	Award Description	Awarded By	Award Date
  Elected to Board of Directors		Society for Pediatric Anesthesia	2015 - 2016
  Appointed chair, communications committee		Society for Pediatric Anesthesia	2014 - 2015
  Best Doctors' List		Washington Magazine	2012

• Publications

  Manuscripts in Refereed Journals

  • Rani A. Sunder, Eric J. Monroe, Sean H. Flack.
    Pitfalls of a Shared Neuraxial Space. Wandering Epidural Catheter
    Anesthesiology, 2019 : 1311151
  • Walker BJ, Schmale GA, McCreary F, McFadyen JG, Bompadre V, Flack SH, Bosenberg AT
    Regional anesthesia for anterior cruciate ligament reconstruction in adolescents
    Paediatr Anaesth, 2016 : 26668-9
  • Grigg E, Anderson C, Pankovich M, Martin L, Flack S
    Systemic ropivacaine toxicity from a peripheral nerve infusion in a medically complex patient
    J Clin Anesth, 2015 : 27338-40
  • Walker BJ, Long JB, De Oliveira GS, Szmuk P, Setiawan C, Polaner DM, Suresh S; PRAN Investigators
    Peripheral nerve catheters in children: an analysis of safety and practice patterns from the pediatric regional anesthesia network (PRAN)
    Br J Anaesth, 2015 : 115457-62
  • Grigg E, Anderson C, Pankovich M, Martin L
    2. Systemic ropivacaine toxicity from a peripheral nerve infusion in a medically complex patient
    J Clin Anesth, 2015 : 27338-40
  • Flack SH, Martin LD, Walker BJ, Bosenberg AT, Helmers LD, Goldin AB, Haberkern CM
    Ultrasound-guided rectus sheath block or wound infiltration in children: a randomized blinded study of analgesia and bupivacaine absorption
    Paediatr Anaesth, 2014 : 24968973
  • Latham GJ, Veneracion ML, Joffe DC, Bosenberg AT, Flack SH, Low DK
    High-frequency micro-ultrasound for vascular access in young children--a feasibility study by the High-frequency UltraSound in Kids studY (HUSKY) group
    Paediatr Anaesth, 2013 : 23529-35
  • Flack SH, Anderson CTM
    Ultrasound guided lower extremity nerve blocks
    Paediatr Anaesth, 2012 : 2272 - 80
  • Waker BJ, Flack SH, Bosenberg AT
    Predicting Lumbar Plexus Depth in Children and Adolescents.
    Anesth Analg, 2011 : 112661 - 665
  • Flack SH, Anderson CM, Bernards CM
    Morphine Distribution in Spinal Cord Following Chronic
    Anesth Analg, 2011 : 112460 - 464
  • Flack SH, Bernards CM
    Cerebrospinal fluid and spinal cord distribution of hyperbaric bupivacaine and baclofen during slow intrathecal infusion in pigs.
    19996952 Anesthesiology, 2010 Jan. : 165-73
  • Flack SH, Ojemann J, Haberkern C
    Cerebral hemispherectomy in infants and young children.
    Paediatr Anaesth, 2008 : 18967- 973
  • Piper NA, Flack SH, Loeser JD, Lynn AM
    Epidural analgesia in a patient with an intrathecal catheter and subcutaneous pump to deliver baclofen.
    16918665 Paediatric anaesthesia, 2006 Sept. : 989-92
  • Walker B, Long J, Sathyamoorthy M, Birstler J, Wolf C, Bosenberg A, Flack S, et al.
    Complications in Pediatric Regional Anesthesia: An Analysis of Over 100,000 Blocks from the Pediatric Regional Anesthesia Network (PRAN).
    Anesthesiol, 129721-732

  Published Abstracts

  • Benjamin J. Walker, Felicia McCreary, Grant McFadyen, Viviana Bompadre, Sean Flack, Adrian Bosenberg, and Gregory A. Schmale
    No Advantage of Continuous Catheter over Single-Shot Regional Anesthetic for Pain Control after Anterior Cruciate Ligament Reconstruction in Youth: A Randomized Controlled Trial
    2014
  • Latham, G., Veneracion, M., Bosenberg, A., Joffe, D., Flack, S., Low, D.
    High frequency micro-ultrasound for vascular access in young children - a feasibility study by the High frequency UltraSound in Kids studY (HUSKY) group.
    Las Vegas, NV: society for Pediatric Anesthesiology Winter Meeting 2013., 2013
  • Sean H. Flack, MB ChB, Martin, L., Haberkern, C., Bosenberg, A.
    Plasma bupivicaine levels after local anesthetic infiltration or ultrasound-guided rectus sheath block in children: A randomized blinded double-cohort study
    Society of Pediatric Anesthesia Meeting, 2013
  • Latham, G, Veneracion, M, Bosenberg, A, Joffe, D, Low, D
    High frequency micro-ultrasound for vacular access in young children-a feasibility study by the High Frequency Ultrasound in Kids Study (HUSKY) group
    SPA Winter Meeting, 2013
  • Grant McFadyen, Benjamin Walker, Felicia McCreary, Carmen Ocampo, Daniel Low, Martha Pankovich, Sean Flack, Adrian Bosenberg
    Pain control for anterior cruciate ligament reconstruction
    2013
  • Martin LD, Haberkern CM, Bosenberg A, Walker B, Flack S
    Plasma bupivacaine levels after local anesthetic infiltration or ultrasound-guided rectus sheath block in children: A randomized blinded double-cohort study
    2013
  • K Larkin, S Flack, L Helmers, A Bosenberg
    Psoas Compartment Catheters for Perioperative Pain Management in Children
    SPA/AAP Annual Meeting 2007
  • Benjamin Walker, Sean Flack, Adrian Bosenberg
    Prediction of Lumbar Plexus Depth in Children
    SPA/AAP Annual Meeting San Antonio 2010
  • K Cashman, L Helmers, S Flack, L Martin
    Using Lean (Toyota) methods in Creation of a Regional Block Room to Expedite Surgical Case Flow
    SPA/AAP Annual Meeting, Jackson, FL 2009
  • Flack SH, Bernards CM
    Morphine Distribution Following Chronic Intrathecal Infusion in
    ASA Annual Meeting, New Orleans 2009
  • K Larkin, S Flack, L Helmers, A Bosenberg
    Psoas Compartment Catheters for Perioperative Pain Management in Children
    ASA Annual Meeting in San Francisco, CA 2007
  • Benjamin J. Walker, Sean H. Flack, Adrian T. Bosenberg
    Estimation of Lumbar Plexus Depth
    ASA Annual Meeting, New Orleans 2009
  • S. Verma, S Flack, AT Bosenberg
    Determination of spinal cord and dural sac location by ultrasound prior to caudal block in normal neonates and infants.
    SPA/AAP Annual meeting, Jacksonville, FL 2009
  • McCreary F, Bosenberg A, Flack SH
    Incidence of Dural Puncture With Epidural Blocks in Children: A Review of the PRAN data
    Departmental Academic Evening, Seattle 2011
  • HH Lee, AT Bosenberg, S Flack, L Martin, DM Polaner, J Cravero, E Krane, MD, S Suresh, A Taezner
    Caudal Block revisited; what are the risks?
    SPA/AAP Annual meeting Jacksonville 2009
  • Flack SH, Anderson CTMA, McFadyen JG, Pankovich M, Bosenberg AT
    . Time Taken for Epidural Catheter Placement Impact of a Regional Anesthesia Team.
    SPA/AAP Annual Meeting Tampa, FL Spring 2012.
  • Flack SH , Walker B, Bosenberg A, Goldin A, Wong K, McFadyen G, Helmers L, Haberkern C
    Ultrasound-guided rectus sheath block for post-operative pain control following umbilical hernia repair
    SPA/AAP Annual Meeting, San Diego 2011
  • S Flack, C Barnards
    Effect of Baricity and Posture on Bupivacaine Distribution after Chronic Intrathecal infusion
    ASRA Annual Meeting, Cancun, Mexico 2008
  • SH Flack, CM Haberkern, JG Ojemann
    Anesthesia for Cerebral Hemispherectomy in Infants and Young Children
    SPA/AAP Annual Meeting 2007
  • David E. Liston , J. Grant McFadyen, Benjamin J. Walker, Sean H. Flack, Adrian T. Bosenberg
    Lumbar Plexus Catheters Versus Lumbar Epidurals for Pain Management following Pelvic Osteotomy
    SPA/AAP Annual Meeting San Antonio 2010
  • CTM Anderson, J Kuratani, R Saneto, D Kim, H Karl, S Flack, L Helmers
    Dexmedetomidine versus Propofal Administration in Neurologically Children Undergoing EEG Neurodiagnostic Studies
    SPA/AAP Annual Meeting 2007
  • Flack SH, Anderson CTMA, McFadyen JG, Pankovich M, Bosenberg T.
    Time Taken for Epidural Catheter Placement - Impact of a Regional lAnesthesia Team
    SPA/AAP Annual Meeting. Tampa, FL Spring, 2012
  • BJ Walker, SH Flack, L Langford, MT Bosenberg, AT Bosenberg
    Transversus Abdominis Plane Block in Children
    SPA/AAP Annual meeting Jacksonville 2009
  • Liston D, Gentry K, McGuire S, Katz C, Flack SH
    Using Continuous Performance Improvement to Streamline the Initiation of Epidural Infusions in the Operating Room
    SPA/AAP Annual Meeting San Diego 2011
  • S Flack, C Bernards
    Effects of Baricity and Posture on Baclofen Distribuion After Chronic Intrathecal Infusion
    ASA Annual Meeting, Orlando, FL 2008
  • J Rowell, K Larkin, S Flack, L Helmers, A Bosenberg
    Lumbar Plexus Catheters for Perioperative Pain Management in Children
    SPA/AAP Annual Meeting, Jacksonville, FL 2009

  Other Publications

  • Sunder RA, Cheng T, Flack S, Anderson C, Bolnick D
    Pudendal Nerve Block: Peds Online Module 10.1.
    2019
  • Sean Flack and Lynn Martin
    Rapid Changeover in the Operating Room
    in Wellman J, Hagan P, Jeffries H (eds): Leading the Lean Healthcare Journey: Driving Culture Change to Increase Value. Boca Raton, Productivity Press, 2016
  • Lizabeth D. Martin, J. Grant McFadyen
    Regional Anesthesia and Analgesia
    in Kaye AD, Fox CJ, Diaz JH, (eds): Essentials of Pediatric Anesthesiology, 2014 : 323-340
  • 11. Ross AK, Ahmed Z, Flack S, Gooden C, Houck CH, Malviya SV, Agarwal R, Armstead VE, Guffey P, Homi HM
    The Future Is Here.
    Society for Pediatric Anesthesia News, 2012 : 25(1)
  • Sean H. Flack, MB ChB, In: Song K (ed), Orthopedic Knowledge Update
    Advances in Pediatric Anesthesia
    Pediatrics 4 Rosemont, American Academy of Orthopedic Surgeons, 2011 : 29 - 36
  • Sean H. Flack, MB ChB, In: Wellman J, Hagan P, Jeffries H (eds) Leading the Lean Healthcare Journey: Driving Culture Change to Increase Value, Boca Raton
    Rapid Changeover in the Operating Room
    Productivity Press, 2011 : 193 - 201
  • 7. Ross AK, Ahmed Z, Wise-Faberowski LW, Flack S, Gooden C, Houck CH, Malviya SV, Monitto C, Olutoye T, Polaner DM, Reynolds PI, Valley R
    Society for Pediatric Anesthesia/American Academy of Pediatrics / Congenital Cardiac Anesthesia Society Winter Meeting Review
    Anesth Analg, 2010 : 110299 - 271
  • 8. Ross AK, Kussman B, Valley RD, Flack S, Ahmed Z, Gooden CK, Georges L, Lauro HV, Malviya S.
    2010 meeting of the Congenital Cardiac Anesthesia Society (CCAS) and the Society for Pediatric Anesthesia (SPA)
    Anesth Analg, 2010 : 1111331-1333
  • Flack SH, Glover C
    Ultrasound: Is there a Place for it in Regional Anesthesia?
    Society for Pediatric Anesthesia Newsletter, 2008 : 21(2)
  • Ross AK, Gooden CK, Golden S, Aulfqar A, Lauro H, Flack SH, Glass N
    Society of Pediatric Anesthesia/American Academy of Pediatrics Winter Meeting Review
    Anesth Analg, 2007 : 105967 - 973
  • Flack SH
    Anesthesia for Awake Craniotomies in Children
    Med Ed Portal. 2006; available from: http://www.aamc.org/mededportal, ID=423, 2006
  • Flack SH
    Awake Craniotomies: This and other uses for Dexmedetomidine in Pediatric Anesthesia.
    Published on PBLD CD-Rom, ASA Annual meeting, Atlanta 2005, 2005
  • Sean H. Flack, MB ChB, Piper, N. A., Lynn, A.
    Author's reply
    Pediatric Anesth, 17707
  • Flack SH
    9. Regional Anesthesia in Children. Society for Pediatric Anesthesia Lecture Series.
    Available at http://www.pedsanesthesia.org/lecture_series.iphtml

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• Presentations

  Presentations Title	Event	Location	Date
  Caudal for Hypospadias Repair	SPA/AAP Annual Meeting		March 2018
  12-year-old male 'allergic to narcotics' for rotator cuff repair in an ambulatory surgery center: pediatric regional anesthesia controversies. PBLD	SPA/AAP annual meeting	Colorado Springs, CO	2016
  Ultrasound-Guided Regional Anesthesia in Children	6th Annual Networking World Anesthesia Convention	Vancouver BC	May 2015
  Neuraxial Sonoanatomy in Infants and Neonates	4th National Conference of Academy of Regional Anesthesia	India, Delhi	Sept. 2014
  High Resolution Ultrasonography	4th National Conference of Academy of Regional Anesthesia	India, Delhi	Sept. 2014
  Ultrasound-Guided Regional Anesthesia in Children	4th National Conference of Academy of Regional Anesthesia	India, Delhi	Sept. 2014
  Maintaining Continuous Perineural Catheters	4th National Conference of Academy of Regional Anesthesia	India, Delhi	Sept. 2014
  Pediatric Regional Anesthesia Concerns (Clinical Forum)	ASA Annual Meeting	San Francisco, CA	Oct. 2013
  Continuous, Perineural Catheters	Regional Anesthesia in Children	Seattle, WA	Jan 1, 2009
  Practical Approaces to Quality	Society for Pediatric Anesthesia and American Academy of Pediatrics Annual Meeting	Jacksonville, FL	Jan 1, 2009
  Upper Extremity Nerve Blocks	Regional Anesthesia in Children	Seattle, WA	Jan 1, 2009

• Research Funding

  Grant Title	Grantor	Amount	Award Date
  A Prospective Randomized Comparative Study of Patient-Controlled Analgesia, Epidural Catheters and Lumbar Plexus Catheters to Provide Analgesia after Pediatric Hip Surgery	Seattle Children's Hospital, Department of Anesthesiology Research Pilot Funds Grant	$15000	2011 - 2015
  Steady state pharmacokinetics of blood ropivacaine levels in older children receiving lumbar plexus catheters	Seattle Children’s Academic Enrichment Fund