Hinged Versus Conventional 8 Plate for Correction of Genu Valgum or Varum
NCT ID: NCT03378206
Last Updated: 2018-04-10
Study Results
The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.
Basic Information
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UNKNOWN
NA
80 participants
INTERVENTIONAL
2018-05-01
2020-08-31
Brief Summary
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The hypothesis is that the hinged 8 plate provides low complications that this treatment is as good as the traditional one.
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Detailed Description
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Conditions
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Study Design
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RANDOMIZED
PARALLEL
TREATMENT
NONE
Study Groups
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Hinged 8-figure plate
Hinged 8-figure plate is a novel devise that has modifications in order to improve the treatment effect of conventional 8-figure plate. This arm will be used to verify the effectiveness and feasibility of the modification.
hinged 8-figure plate
Hinged 8-figure plate has two arms and a built-in hinge. The rotation of the two arms ranged from 155° to 170° to better fit the contour of the physis in all stages of angular correction. That automatic change can also disperse repeated stress on the surface of periosteum and perichondrium during walking.
conventional 8-figure plate
Conventional 8-figure plate is widespread method to treat genu varum and valgus. This arm, as a comparator, will be the control group to verify the feasibility of the novel hinged 8-figure plate.
conventional 8-figure plate
Conventional 8-figure plate is a widespread device to treat angular deformity of lower limbs with moderate successful rate. The device was designed based on the principle of tension band model. It consists of a plate and two screws (epiphyseal screw and metaphyseal screw).
Interventions
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hinged 8-figure plate
Hinged 8-figure plate has two arms and a built-in hinge. The rotation of the two arms ranged from 155° to 170° to better fit the contour of the physis in all stages of angular correction. That automatic change can also disperse repeated stress on the surface of periosteum and perichondrium during walking.
conventional 8-figure plate
Conventional 8-figure plate is a widespread device to treat angular deformity of lower limbs with moderate successful rate. The device was designed based on the principle of tension band model. It consists of a plate and two screws (epiphyseal screw and metaphyseal screw).
Eligibility Criteria
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Inclusion Criteria
2. Without any treatment
3. lower limb mechanical axis over the tibial plateau in the range of 1/2;
4. Epiphyseal not yet closed, with more than 12 months of growth potential
Exclusion Criteria
2. Epiphyseal have closed or no growth potential
3. Pathological limb deformity(Blount disease, inflammation,trauma)
4. Other causes of lower limb angular deformity.
5. With surgical contraindications
2 Years
18 Years
ALL
No
Sponsors
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Xinhua Hospital, Shanghai Jiao Tong University School of Medicine
OTHER
Responsible Party
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Ziming Zhang
Deputy director of Department of Pediatric Orthopedics
Principal Investigators
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Ziming Zhang, PhD
Role: PRINCIPAL_INVESTIGATOR
Department of Pediatric Orthopedics, Xinhua Hospital affiliated to Shanghai Jiao Tong University, School of Medicine
Central Contacts
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Zhiqiang Zhang, MD
Role: CONTACT
References
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BLOUNT WP, CLARKE GR. Control of bone growth by epiphyseal stapling; a preliminary report. J Bone Joint Surg Am. 1949 Jul;31A(3):464-78. No abstract available.
Sharma L, Song J, Felson DT, Cahue S, Shamiyeh E, Dunlop DD. The role of knee alignment in disease progression and functional decline in knee osteoarthritis. JAMA. 2001 Jul 11;286(2):188-95. doi: 10.1001/jama.286.2.188.
Bylski-Austrow DI, Wall EJ, Rupert MP, Roy DR, Crawford AH. Growth plate forces in the adolescent human knee: a radiographic and mechanical study of epiphyseal staples. J Pediatr Orthop. 2001 Nov-Dec;21(6):817-23.
Gottliebsen M, Rahbek O, Poulsen HD, Moller-Madsen B. Similar growth plate morphology in stapling and tension band plating hemiepiphysiodesis: a porcine experimental histomorphometric study. J Orthop Res. 2013 Apr;31(4):574-9. doi: 10.1002/jor.22276. Epub 2012 Nov 28.
Gros DF, Milanak ME, Brady KT, Back SE. Frequency and severity of comorbid mood and anxiety disorders in prescription opioid dependence. Am J Addict. 2013 May-Jun;22(3):261-5. doi: 10.1111/j.1521-0391.2012.12008.x.
Zuege RC, Kempken TG, Blount WP. Epiphyseal stapling for angular deformity at the knee. J Bone Joint Surg Am. 1979 Apr;61(3):320-9.
Burghardt RD, Kanellopoulos AD, Herzenberg JE. A technical note on improved instrumentation for Blount staple insertion. J Child Orthop. 2012 Aug;6(4):347-50. doi: 10.1007/s11832-012-0422-2. Epub 2012 Aug 9.
Stevens PM. Guided growth for angular correction: a preliminary series using a tension band plate. J Pediatr Orthop. 2007 Apr-May;27(3):253-9. doi: 10.1097/BPO.0b013e31803433a1.
Burghardt RD, Herzenberg JE, Standard SC, Paley D. Temporary hemiepiphyseal arrest using a screw and plate device to treat knee and ankle deformities in children: a preliminary report. J Child Orthop. 2008 Jun;2(3):187-97. doi: 10.1007/s11832-008-0096-y. Epub 2008 Mar 26.
Boero S, Michelis MB, Riganti S. Use of the eight-Plate for angular correction of knee deformities due to idiopathic and pathologic physis: initiating treatment according to etiology. J Child Orthop. 2011 Jun;5(3):209-16. doi: 10.1007/s11832-011-0344-4. Epub 2011 May 12.
Guzman H, Yaszay B, Scott VP, Bastrom TP, Mubarak SJ. Early experience with medial femoral tension band plating in idiopathic genu valgum. J Child Orthop. 2011 Feb;5(1):11-7. doi: 10.1007/s11832-010-0310-6. Epub 2010 Dec 8.
Driscoll MD, Linton J, Sullivan E, Scott A. Medial malleolar screw versus tension-band plate hemiepiphysiodesis for ankle valgus in the skeletally immature. J Pediatr Orthop. 2014 Jun;34(4):441-6. doi: 10.1097/BPO.0000000000000116.
Aslani H, Panjavy B, Bashy RH, Tabrizi A, Nazari B. The efficacy and complications of 2-hole 3.5 mm reconstruction plates and 4 mm noncanulated cancellous screws for temporary hemiepiphysiodesis around the knee. J Pediatr Orthop. 2014 Jun;34(4):462-6. doi: 10.1097/BPO.0000000000000115.
Lin TY, Kao HK, Li WC, Yang WE, Chang CH. Guided growth by a stainless-steel tubular plate. J Pediatr Orthop B. 2013 Jul;22(4):306-10. doi: 10.1097/BPB.0b013e32835bc42d.
Lee HJ, Oh CW, Song KS, Kyung HS, Min WK, Park BC. Guided growth with a noncannulated screw-plate system for angular deformity of the knee: a preliminary report. J Pediatr Orthop B. 2012 Jul;21(4):339-47. doi: 10.1097/BPB.0b013e3283547198.
Schroerlucke S, Bertrand S, Clapp J, Bundy J, Gregg FO. Failure of Orthofix eight-Plate for the treatment of Blount disease. J Pediatr Orthop. 2009 Jan-Feb;29(1):57-60. doi: 10.1097/BPO.0b013e3181919b54.
Burghardt RD, Specht SC, Herzenberg JE. Mechanical failures of eight-plateguided growth system for temporary hemiepiphysiodesis. J Pediatr Orthop. 2010 Sep;30(6):594-7. doi: 10.1097/BPO.0b013e3181e4f591.
Wu Z, Zhao D, Zhao L, Liu J, Li H, Zhu J, Ma F, Porter DE. A comparison between a hinged plate and screw system and a conventional tension-band plate and screw system used for correction of an angular deformity of the lower limb: an animal study. J Orthop Surg Res. 2015 May 3;10:57. doi: 10.1186/s13018-015-0198-4.
Other Identifiers
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XH-17-013
Identifier Type: -
Identifier Source: org_study_id
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