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Pooya Hosseinzadeh, MD

Pooya Hosseinzadeh, MD

Associate Professor, Orthopaedic Surgery
Division of Pediatric and Adolescent Orthopaedic Surgery

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(314) 514-3500

Dr. Hosseinzadeh has clinical interests in the evaluation and treatment of neuromuscular conditions in children. He specializes in the operative and non-operative treatment of musculoskeletal conditions in children with cerebral palsy and other neuromuscular conditions, as well as congenital and developmental foot abnormalities, including clubfoot. Other clinical interests include hip dysplasia, general pediatric orthopedic surgery, lower extremity deformities, and traumatic injuries.

Common Diagnoses Treated

  • Arthrogryposis
  • Cerebral palsy, fractures and dislocations
  • Hip dysplasia
  • Infant and adolescent foot deformities (clubfoot)
  • Lower extremity deformities
  • Slipped capital femoral epiphysis
  • Skeletal dysplasia

Common Procedures

  • Growth modulation procedures
  • Hip reconstructive procedures (femoral and acetabular osteotomy)
  • Lower extremity and foot reconstructive procedures
  • Operative treatment of upper and lower extremity fractures and dislocation
  • Tendon lengthening procedures

Clinical Office Locations

  • St. Louis Children's Hospital

    4S60, Suite 1B

    One Children's Place

    St Louis, MO 63110

  • St. Louis Children's Hospital Specialty Care Center

    13001 North Outer Forty Rd., Suite 1C

    Town and Country, MO 63017

    Select Saturday hours available

  • Shriners Hospital for Children - St. Louis

    4400 Clayton Ave.

    St Louis, MO 63110

Hospital Affiliations

  • Barnes-Jewish Hospital
  • St. Louis Children's Hospital
  • Shriners Hospitals for Children - St. Louis

Academic Office Mailing Address

  • Washington University School of Medicine

    Campus Box 8233

    660 Euclid Avenue

    Saint Louis, MO 63110

View Dr. Hosseinzadeh's complete list of publications on the PubMed website. 

  • Cummings, J. L., & Hosseinzadeh, P. (2023). Author response to comment on Cummings JL et al.: 'Untreated congenital vertical talus deformity in walking age: minimally invasive method works'. Journal of pediatric orthopedics. Part B, 32(5), 505–506. https://doi.org/10.1097/BPB.0000000000001100
  • Rivera, A. E., Welbeck, A., Cummings, J. L., Goldfarb, C. A., & Hosseinzadeh, P. (2023). Distal Radius Salter-Harris II Fracture Loss of Reduction: The Importance of Coronal Plane Angulation in Older Children. Journal of orthopaedic trauma, 37(8), 417–422. https://doi.org/10.1097/BOT.0000000000002599 
  • Cummings, J. L., Oladeji, A. K., Rosenfeld, S., Johnson, M., Goldstein, R., Georgopoulos, G., Stephenson, L., White, N. W., & Hosseinzadeh, P. (2023). Outcomes of Open Reduction in Children With Developmental Hip Dislocation: A Multicenter Experience Over a Decade. Journal of pediatric orthopedics, 43(6), e405–e410. https://doi.org/10.1097/BPO.0000000000002413 
  • Rivera, A. E., Welbeck, A., Cummings, J. L., Goldfarb, C. A., & Hosseinzadeh, P. (2023). Distal Radius Salter-Harris II Fracture Loss of Reduction: The Importance of Coronal Plane Angulation in Older Children. Journal of orthopaedic trauma, 37(8), 417–422. https://doi.org/10.1097/BOT.0000000000002599 
  • Cummings, J. L., Rivera, A. E., Tippabhatla, A., & Hosseinzadeh, P. (2023). Comparison of Different Surgical Techniques in Correction of Congenital Vertical Talus Deformity: A Systematic Review and Meta-Analysis of the Literature. Journal of pediatric orthopedics, 43(5), 317–325. https://doi.org/10.1097/BPO.0000000000002369 
  • Cummings, J. L., Schwabe, M. T., Rivera, A. E., Sanders, J., Denning, J. R., Neal, K., Bellaire, L. L., Choe, J., Gaio, N., Goldstein, R., Crowe, M., & Hosseinzadeh, P. (2023). K-wire Versus Screw Fixation in Displaced Lateral Condyle Fractures of the Humerus in Children: A Multicenter Study of 762 Fractures. Journal of pediatric orthopedics, 43(4), e284–e289. https://doi.org/10.1097/BPO.0000000000002348 
  • Cummings, J. L., & Hosseinzadeh, P. (2023). Congenital vertical talus deformity in children with distal arthrogryposis: good clinical outcomes despite high rate of residual radiographic deformity. Journal of pediatric orthopedics. Part B, 32(5), 428–434. https://doi.org/10.1097/BPB.0000000000001045 
  • Cummings, J. L., & Hosseinzadeh, P. (2023). Relapsed Congenital Vertical Talus Deformity: Outcomes of a Modified Minimally Invasive Method. Journal of pediatric orthopedics, 43(3), e236–e243. https://doi.org/10.1097/BPO.0000000000002326 
  • Rivera, A. E., Cummings, J. L., Pereira, D. E., Oladeji, A. K., Landau, A. J., & Hosseinzadeh, P. (2023). Displaced Tibia Fractures in Adolescents: Closed Reduction and Casting Versus Flexible Intramedullary Nails. Journal of pediatric orthopedics, 43(1), 7–12. https://doi.org/10.1097/BPO.0000000000002273 
  • Cummings, J. L., & Hosseinzadeh, P. (2023). Untreated congenital vertical talus deformity in walking age: minimally invasive method works. Journal of pediatric orthopedics. Part B, 32(1), 1–7. https://doi.org/10.1097/BPB.0000000000001014 
  • Cummings, J. L., & Hosseinzadeh, P. (2022). Patient-Reported Pain and Function Outcomes in Children With Congenital Vertical Talus Treated With the Minimally Invasive Method. Journal of pediatric orthopedics, 42(10), e981–e984. https://doi.org/10.1097/BPO.0000000000002259 
  • Cummings, J. L., & Hosseinzadeh, P. (2022). Minimally Invasive Method in Treatment of Idiopathic Congenital Vertical Talus: Recurrence is Uncommon. Journal of pediatric orthopedics, 42(9), 503–508. https://doi.org/10.1097/BPO.0000000000002235 
  • Landau, A. J., Oladeji, A. K., & Hosseinzadeh, P. (2022). Assessment of Ethno-racial and Insurance-based Disparities in Pediatric Forearm and Tibial Fracture Care in the United States. Journal of the American Academy of Orthopaedic Surgeons. Global research & reviews, 6(7), e22.00126. https://doi.org/10.5435/JAAOSGlobal-D-22-00126 
  • Cummings, J. L., Rivera, A. E., Pereira, D. E., Oladeji, A. K., Landau, A. J., & Hosseinzadeh, P. (2022). Nonoperative Management of Closed Displaced Tibia Shaft Fractures in Patients Under 18 Years of Age: Low Failure Rate. Journal of pediatric orthopedics, 42(8), 421–426. https://doi.org/10.1097/BPO.0000000000002206 
  • Inclan, P. M., Woiczik, M. R., Cummings, J., Goodwin, R., & Hosseinzadeh, P. (2022). Virtual Pediatric Orthopaedic Fellowship Interviews During the Pandemic: What Did the Applicants and Programs Think?. Journal of pediatric orthopedics, 42(7), e806–e810. https://doi.org/10.1097/BPO.0000000000002193

Research Interests

Dr. Hosseinzadeh has research interests in neuromuscular conditions, traumatic injuries, hip dysplasia, lower extremity deformities, and clubfoot deformity.

Clinical Interests

Dr. Hosseinzadeh has clinical interests in the evaluation and treatment of neuromuscular conditions in children. He specializes in the operative and non-operative treatment of musculoskeletal conditions in children with cerebral palsy and other neuromuscular conditions. Other clinical interests include hip dysplasia, general pediatric orthopedic surgery, lower extremity deformities, and traumatic injuries.

Background

Dr. Hosseinzadeh received his medical degree from Isfahan University of Medical Services in Isfahan, Iran. He did a residency training in Orthopaedic Surgery at Joan C. Edwards School of Medicine at Marshall University in Huntington, WV and completed a pediatric orthopedic fellowship at Shriners Hospital for Children in Lexington, Kentucky. Additionally, he has completed a research fellowship at the University of California Irvine. He is active member of the Pediatric Orthopedic Society of North America and the American Academy of Orthopedic Surgeons.

Board Certifications

  • Board Certified, American Board of Orthopaedic Surgery

Medical Degree

  • Isfahan University of Medical Sciences, School of Medicine, Isfahan, Iran

Residency

  • Orthopedic Surgery, Joan C. Edwards School of Medicine at Marshall University, Huntington, WV

Research Fellowship

  • University of California Irvine, Department of Orthopedic Surgery, Orange, CA

Fellowship

  • Pediatric Orthopaedics, Shriners Hospital for Children, Lexington, KY

Honors and Awards

  • POSNA Scholarship to attend 2015 AAOS/ OREF/ORS Clinician Scholar Career Development Program (CSCDP)
  • AAOS Scholarship to attend International Pediatric Orthopedic Symposium, December 2010
  • Shriners Hospital Scholarship to attend International Pediatric Orthopedic Symposium, December 2009
  • Mrs. Ho-Tung Cheong Research Award, Orthopedic Research Laboratories Alumni Council (ORLAC), Pittsburg, PA, September 2005

Professional Societies and Organizations

  • Pediatric Orthopedic Society of North America (POSNA), Active member
  • POSNA Resident Communications Committee, Chair 2016-present
  • POSNA Publication Committee, member 2015-present
  • American Academy of Orthopedic Surgeons (AAOS), candidate member
  • AAOS Fellow, Candidate, and Resident Committee, member 2013-present
  • AAOS Basic Science Evaluation Committee, member 2016-present
  • American Academy of Pediatrics section on Orthopedic Surgery, candidate member
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