Ralph J. B. Sakkers, MD, PhD

Contact Information

  • Name: Ralph J.B. Sakkers
  • Degree: MD, PhD
  • Title / Position: Pediatric Orthopaedic Surgeon
  • Place of Employment / Office Name: University Medical Center, Dept Orthopaedic Surgery
  • Street Address: KE 04.140.5
  • City: Utrecht
  • State/Province: AB
  • Zip/Postal code: 3508
  • Country: Netherlands
  • Office phone number: 31 887554004
  • Medical or Surgical Specialty: Pediatric Orthopaedic Surgery

Professional Education and Memberships

  • Medical School: Free University of Amsterdam
  • Residency: University Hospital Leiden
  • Fellowship training:

    Leuven University Medical Center

  • Society Memberships (list up to four only):

    European Pediatric Orthopaedic Society (EPOS)

    Dutch Skeletal Dysplasia Group

    Dutch Orthopaedic Society

    Dutch Pediatric Orthopaedic Group


  • Academic contributions for DDH research or education including publications:

    Correlation between ultrasonic and radiographic imaging of developmental dysplasia of the hip.

    Spaans AJ, Beek FJA, Uiterwaal CSPM, Pruijs JEH, Sakkers RJ.

    J Child Orthop. 2019 Apr 1;13(2):155-160

    The natural history of abnormal ultrasound findings in hips of infants under six months of age.

    Sakkers R, Pollet V.

    J Child Orthop. 2018 Aug 1;12(4):302-307.

    Long-term outcomes following the medial approach for open reduction of the hip in children with developmental dysplasia.

    Pollet V, Van Dijk L, Reijman M, Castelein RMC, Sakkers RJB.

    Bone Joint J. 2018 Jun 1;100-B(6):822-827.

    Progression of Hip Dysplasia in Mucopolysaccharidosis Type I Hurler After Successful Hematopoietic Stem Cell Transplantation.

    Langereis EJ, den Os MM, Breen C, Jones SA, Knaven OC, Mercer J, Miller WP, Kelly PM, Kennedy J, Ketterl TG, O’Meara A, Orchard PJ, Lund TC, van Rijn RR, Sakkers RJ, White KK, Wijburg FA.

    J Bone Joint Surg Am. 2016 Mar 2;98(5):386-95.

    Treatment of hip dysplasia in patients with mucopolysaccharidosis type I after hematopoietic stem cell transplantation: results of an international consensus procedure.

    Langereis EJ, Borgo A, Crushell E, Harmatz PR, van Hasselt PM, Jones SA, Kelly PM, Lampe C, van der Lee JH, Odent T, Sakkers R, Scarpa M, Schafroth MU, Struijs PA, Valayannopoulos V, White KK, Wijburg FA.

    Orphanet J Rare Dis. 2013 Oct 3;8:155.

    Psychosocial predictors of parental participation in ultrasound screening for developmental dysplasia of the hip.

    Witting M, Boere-Boonekamp MM, Fleuren MA, Sakkers RJ, IJzerman MJ.

    Fam Syst Health. 2013 Jun;31(2):218-29.

    Determinants of parental satisfaction with ultrasound hip screening in child health care.

    Witting M, Boere-Boonekamp MM, Fleuren MA, Sakkers RJ, Ijzerman MJ.

    J Child Health Care. 2012 Jun;16(2):178-89.

    Predicting participation in ultrasound hip screening from message framing.

    Witting M, Boere-Boonekamp MM, Fleuren MA, Sakkers RJ, Ijzerman MJ.

    Health Commun. 2012;27(2):186-93

    Results of Pavlik harness treatment in children with dislocated hips between the age of six and twenty-four months.

    Pollet V, Pruijs H, Sakkers R, Castelein R.

    J Pediatr Orthop. 2010 Jul-Aug;30(5):437-42

    Transinguinal sonographic determination of the position of the femoral head after reposition and follow-up in a spica cast.

    Beek FJ, Nievelstein RJ, Pruijs HE, de Jong PA, Sakkers RJ.

    Pediatr Radiol. 2010 Nov;40(11):1794-9.

    Evaluation of a training program for general ultrasound screening for developmental dysplasia of the hip in preventive child health care.

    Ramwadhdoebe S, Sakkers RJ, Uiterwaal CS, Boere-Boonekamp MM, Beek FJ.

    Pediatr Radiol. 2010 Oct;40(10):1634-9.

    Implementation by simulation; strategies for ultrasound screening for hip dysplasia in the Netherlands.

    Ramwadhdoebe S, Van Merode GG, Boere-Boonekamp MM, Sakkers RJ, Buskens E.

    BMC Health Serv Res. 2010 Mar 23;10:75.

    A tutorial on discrete-event simulation for health policy design and decision making: optimizing pediatric ultrasound screening for hip dysplasia as an illustration.

    Ramwadhdoebe S, Buskens E, Sakkers RJ, Stahl JE.

    Health Policy. 2009 Dec;93(2-3):143-50.

    Ultrasound in the management of the position of the femoral head during treatment in a spica cast after reduction of hip dislocation in developmental dysplasia of the hip.

    van Douveren FQ, Pruijs HE, Sakkers RJ, Nievelstein RA, Beek FJ.

    J Bone Joint Surg Br. 2003 Jan;85(1):117-20


Practice Information

  • Age groups you are accepting new hip dysplasia patients: Infants and children, Adolescents
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