The Open Orthopaedics Journal

ISSN: 1874-3250 ― Volume 13, 2019

One Stage Bilateral Total Hip Arthroplasty in Siblings with Larsen Syndrome

Christian Merle1, Wenzel Waldstein2, Joseph D Lipman3, Maximilian F Kasparek4, Friedrich Boettner4, *
1 Department of Orthopaedic and Trauma Surgery, University Hospital Heidelberg Schlierbacher Landstrasse 200 A, 69118 Heidelberg, Germany
2 Department of Orthopedics, Vienna General Hospital, Medical University of Vienna, Waehringer Guertel 18-20, 1090 Vienna, Austria
3 Department of Biomechanics, Hospital for Special Surgery, 541 East 71st Street, New York, NY 10021, USA
4 Adult Reconstruction and Joint Replacement Division, Hospital for Special Surgery, 535 East 70th Street, New York, NY 10021, USA



Larsen syndrome is a rare genetic disorder caused by congenital weakness of the connective tissues. It can present with a variety of musculoskeletal and cardiovascular abnormalities. The current report describes two siblings with Larsen Syndrome who presented with severe bilateral hip arthritis and underwent one stage bilateral total hip arthroplasty (THA). The aim was to report on the clinical features of Larsen Syndrome and their implications for total hip replacement surgery.


Two siblings, a 32 year-old female and a 30 year-old male, presented with severe bilateral hip arthritis and a history of Larsen Syndrome. Both patients underwent a detailed, multidisciplinary preoperative medical work up and radiological imaging including computer tomography. All four hips were operated using a cementless primary press-fit cup (Pinnacle, DePuy, Warsaw, IN) and a cementless modular stem system (S-ROM, DePuy, Warsaw, IN) utilizing a posterior approach. Prophylactic cerclages wires were placed proximal to the lesser trochanter before stem preparation and bone grafting of bone cysts in the greater trochanter was performed in all four hips.


After 2 years both patients reported significant improvements of function, pain and quality of life. The Oxford hip score improved from preoperative 21 (range 12-24) points up to 39 (range 38-41) points at 2-year follow up. Radiographic follow-up showed good graft incorporation and no signs of implant loosening.


The current case report suggests that one stage bilateral THA is a feasible treatment option for young adults with Larsen syndrome and secondary arthritis of the hip.

Keywords: Computer tomography, Hip, Larsen syndrome, Osteoarthritis, Skeletal malformation total hip arthroplasty.

Article Information

Identifiers and Pagination:

Year: 2016
Volume: 10
First Page: 569
Last Page: 576
Publisher Id: TOORTHJ-10-569
DOI: 10.2174/1874325001610010569

Article History:

Received Date: 13/07/2016
Revision Received Date: 26/07/2016
Acceptance Date: 29/10/2016
Electronic publication date: 30/11/2016
Collection year: 2016

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© Merle et al.; Licensee Bentham Open

open-access license: This is an open access article licensed under the terms of the Creative Commons Attribution-Non-Commercial 4.0 International Public License (CC BY-NC 4.0) (, which permits unrestricted, non-commercial use, distribution and reproduction in any medium, provided the work is properly cited.

* Address correspondence to this author at the Hospital for Special Surgery 535 East 70th Street New York, NY 10021, USA; Tel: 212.774.2127; Fax: 212.774.2286; E-mail:


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