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Transcript of Rotationplasty
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Rotationplasty
Nathan Dugan3rd Year PT StudentColumbia University
http://www.hindawi.com/journals/sarcoma/2008/402378/fig4/
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Objectives• Explain what rotationplasty is and how it is
performed• Discuss rehabilitation options for rotationplasty• Discuss prosthetics relating to rotationplasty• Review outcome measures that may be beneficial
to administer in this population• Present conclusions drawn during the course of
compiling this presentation related to research and outcomes in rotationplasty
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Background Information
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What is Rotationplasty?
• Biologic reconstructive option for congenital and acquired lower extremity bone loss• Indicated for: • Proximal femoral focal deficiency (PFFD) • Sarcomas of hip, femur, proximal tibia• Failed limb salvage procedures, failed THA/TKA• Traumatic bone loss• Severe burns with intact distal limb
Gupta 2012
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Types of Rotationplasty
• Type A• ankle joint functions as knee joint
• Type B• knee joint functions as hip joint, ankle joint
functions as new knee joint
Gupta 2012
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Type A Rotationplasty
• Type AI • distal femoral
resection • Type AII• proximal tibial
resection
Gupta 2012
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Type B Rotationplasty
• Type BI• proximal femoral
conditions with no hip involvement
• Type BII• performed in the
setting of hip joint or lower pelvis involvement
Gupta 2012
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Type B Rotationplasty
• Type BIII• performed when complete resection of the
femur is necessary
• Type BIIIa• lateral condyle of the tibia is placed into the
acetabulum (expected to remodel)
• Type BIIIb• tibia is rotated and connected to pelvis with
endoprosthesis
Gupta 2012
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Type B Rotationplasty
• Type BIIIa • Type BIIIb
Gupta 2012
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Relevant Anatomy
Gupta 2012
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Rehabilitation
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Rehabilitation Course: General Guidelines
• Gentle PROM of the ankle and AROM/antigravity movements of hip important early-on in process• Want to avoid hip flexion/adduction contractures,
similar to AKA
• Functional training with assistive devices• Progress to AROM of ankle/toes• Resisted exercise typically begins 6-12 weeks post-op,
when soft tissue healing is complete
• Advance to weight-bearing once there is evidence of healing at osteotomy site
Gupta 2012, So 2014
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Rehabilitation Course: Considerations
• Full weight-bearing is not allowed until osteotomy site is fully healed
• AROM 0-30 degrees is needed to operate knee in prosthesis (optimal PF/KE is 50 degrees)
• Be mindful of pain post-operatively
Gupta 2012, So 2014
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Rehabilitation: Case Study
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Prosthetics
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Rehabilitation Course: Prostheses
• Retrospective observational study with n=12
• Median age: 10 years (5-13 yrs), 8 males• All patients had oncologic pathology• Osteosarcoma (10), synovial sarcoma (2)
So 2014
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Rehabilitation Course: Prostheses
• Preliminary bypass prosthesis• Allows TTWB without shearing at osteotomy
site• Bypasses “knee” joint• No “knee” flexion through prosthesis
• Must use assistive device to ambulate• Components:• Polypropylene, ischial WB, quadrilateral sockets• Total elastic auxiliary suspension• Pylon and Seattle LightFoot
So 2014
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Preliminary Bypass Prosthesis
So 2014
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Rehabilitation Course: Prostheses
• Definitive prosthesis• Acrylic laminate socket with polypropylene
thigh section• Anatomic suspension• Calcaneal strap• Removable calcaneal wedge
• Seattle LightFoot
So 2014
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First Definitive Prosthesis
So 2014
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How Long Did it Take?
• In 10 patients requiring chemotherapy• 230.5 days
• In 2 patient not requiring chemotherapy• 78.5 days
• Time between first and second prosthesis• 18.5 months
So 2014
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Considerations for Prostheses
• Stops for ankle (“knee”) flex/ext• Compensates for patient’s inability to control knee
flexion moment at heel strike
• Use longest foot that can fit in shoe• Provides a longer lever arm, assists in knee stability
• Subsequent prostheses can incorporate carbon fiber dynamic response/multiaxial foot options
• Allow for easy adjustments to compensate for growth
So 2014
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Innovation in Prosthetics
• In cycling, thigh cuff of a conventional prosthesis leads to perspiration, chaffing, and skin abrasion
• Case of an 18 y/o male cyclist with rotationplasty• He regularly contracted abrasion injuries at
foot/thigh• Only able to cycle 35km (21.7mi)
Scheepers 2015
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Cycling Specific Prosthesis Design
Scheepers 2015
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Cycling Specific Prosthesis Design
Scheepers 2015
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Outcome Measures
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Outcomes Assessment
• FMA (functional motor assessment), MSTS (musculoskeletal tumor society) rating scale, Toronto Extremity salvage score (TESS)
• SF-36v2• Gait analysis, TUG, 6MWT, ROM, MMT, etc.
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Functional Motor Assessment (FMA)
• Six subcategories:• Pain• Function with two specific measures• Timed up-and-down 12 stairs (TUDS)• Timed up-and-go (TUG)
• Supports• Satisfaction with walking quality• Participation in work, school, sports• Endurance• 9-minute walk-run test
Marchese 2007
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Musculoskeletal Tumor Society (MSTS) Rating Scale• Also known as Enneking Score• Examines 6 factors• Pain• Functional activities• Emotional acceptance• Use of supports• Walking ability• Gait
Enneking 1993
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Toronto Extremity Salvage Score (TESS)
• Disease-specific measure developed for patients undergoing limb preservation surgery for tumors of the extremities
• Evaluates physical disability based on patients’ reports of their function
• 29-item lower extremity and 28-item upper extremity questionnaire
• Items rated on 5-point scale from “not at all difficult” to “impossible to do”• Importance of each item is rated on 4-point scale from
“totally unimportant” to “extremely important”
Davis 1996
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Conclusions
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An Overall Paucity of Research
• Search on PubMed for “rotationplasty” yields only 154 results since 1962• Only 2.9 articles per year
• Overall quality of research is low• Results yield many case studies/case series and few, if
any, RCTs
• Virtually no mention of rehabilitation in the research• At best, a few sentences within other studies mentioning
generalities• Research is concentrated in the areas of surgical
techniques/complications, quality of life, and function
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Highly Functional Individuals
• Individuals have been shown to be highly functional post-rotationplasty• Hillman 2007, Harris 2013
• Individuals often score highly on quality of life measures• Forni 2012, Barrera 2012, Rödl 2002
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https://www.youtube.com/watch?v=g28tS68dagM; http://www.rotationplasty.com/Sean-Dever
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Questions?
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References1. Gupta SK, Alassaf N, Harrop AR, Kiefer GN. Principles of rotationplasty. J Am Acad Orthop Surg 2012;20:657-667.2. So NF, Andrews KL, Anderson K, et al. Prosthetic fitting after rotationplasty of the knee. Am J Phys Med Rehabil
2014;93:328-334.3. Scheepers LG, Storcken JO, Rings F, et al. New socket-less prosthesis concept facilitating comfortable and abrasion-
free cycling after Van Nes rotationplasty. Prosthet Orthot Int 2015;39(2):161-165. 4. Davis AM, Wright JG, Williams JI, et al. Development of a measure of physical function for patients with bone and
soft tissue sarcoma. Qual Life Res 1996;5:508-5165. Marchese VG, Rai SN, Carlson CA, et al. Assessing functional mobility in survivors of lower-extremity sarcoma:
reliability and validity of a new assessment tool. Pediatr Blood Cancer 2007;49:183-189.6. Enneking WF, Dunham W, Gebhardt MC, et al. A system for the functional evaluation of reconstructive procedures
after surgical treatment of tumors of the musculoskeletal system. Clin Orthop Relat R 1993;286:241-246.7. Hillman A, Weist R, Fromme A, et al. Sports activities and endurance capacity of bone tumor patients after
rotationplasty. Arch Phys Med Rehabil 2007;88(7):885-890.8. Harris JD, Trinh TQ, Scharschmidt TJ, Mayerson JL. Exceptional functional recovery and return to high-impact sports
after Van Nes Rotationplasty. Orthopedics 2013;36(1):126-131.9. Forni C, Gaudenzi N, Zoli M, et al. Living with rotationplasty – quality of life in rotationplasty patients from childhood
to adulthood. J Surg Oncol 2012;105(4):331-336.10. Barrera M, Teall T, Barr R, et al. Health related quality of life in adolescent and young adult survivors of lower
extremity bone tumors. Pediatr Blood Cancer 2012;58(2):265-273.11. Rödl RW, Pohlmann U, Gosheger G, et al. Rotationplasty – quality of life after 10 years in 22 patients. Acta Orthop
Scand 2002;73(1):85-88.