results of humeral lengthening w ith u nilateral e xternal f ixator
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Results of Humeral Lengthening W ith U nilateral E xternal F ixator. Short Humerus. S pinal flexibility decreases by agin g that cause l imitation of upper limb function self service personal and perineal hygiene C osmetic P sychologic F unctional problems.

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short humerus
Short Humerus
  • Spinal flexibility decreases by aging that cause limitation of

upper limb function

    • self service
    • personal and perineal hygiene
  • Cosmetic

Psychologic

Functional problems.

humerus lengthening with circular ex fix
HumerusLengtheningwithCircularEx. Fix.
  • Cattaneo R, Catagni MA, Guerreschi F. Applications of theIlizarovmethod in thehumerus. Lengtheningsandnonunions.HandClin. 1993 Nov;9(4):729-39.
  • Cattaneo R, Villa A, Catagni MA, Bell D.Lengthening of thehumerususingtheIlizarovtechnique. Description of themethodandreport of 43 cases.Clin Orthop Relat Res. 1990 Jan;(250):117-24.
  • Yasui N, Kawabata H, Nakase T, Shibata T, Ohno H, Ochi T. Humerallengtheninganddeformitycorrection. Orthopade. 2000 Jan;29(1):58-62. German.
  • Kashiwagi N, Suzuki S, Seto Y, Futami T. Bilateralhumerallengthening in achondroplasia. ClinOrthopRelatRes. 2001 Oct;(391):251-7
  • GamalAhmedHosny. Unilateral humeral lengthening in children and adolescents.Journal of Pediatric Orthopaedics B 2005, 14:439–443
humerus lengthening with unilateral ex fix
Humerus Lengthening With Unilateral Ex. Fix.
  • Poul J, Syebis M. Results of lengthening 20 humeri. ActaChirOrthopTraumatolCech. 2001;68(5):289-93.
  • Cordonnier D, Barbier J, Desrousseaux JF. Severe angulardeformity of thehumerus: unilateralexternalfixationforcorrectionand bone lengthening. RevChirOrthopReparatriceApparMot. 2004 Feb;90(1):83-7.
  • Francis Young-In Lee, MD, J. Scott Schoeb, MD, John Yu, BS,Brett D. Christiansen, MD, and Harold M. Dick, MD.Operative Lengthening of the HumerusIndications, Benefits, andComplications. J Pediatr Orthop 2005;25:613–616
  • Shadi M, Koczewski P. Humerallengtheningwith a monolateralexternalfixator in achondroplasia. Pediatr EndocrinolDiabetesMetab. 2007;13(3):121-4.
  • SándorKiss& KárolyPap & TiborVízkelety & Tamás Terebessy & Mária Balla & György Szőke. The humerus is the best place for bone lengthening. InternationalOrthopaedics (SICOT) (2008) 32:385–388
humerus lengthening
HumerusLengthening
  • We use Unilateral external fixator (U.E.F.)
    • since 2001
    • in all cases
    • more comfortable
  • Prophylactic radial nerve release in all.

A.B. 6 Years. M. 6 cm.45%

A.K. 8 Years. M. SED. 10 CM .95%

humerus lengthening with u e f
HumerusLengtheningWith U.E.F
  • Between 2001 and 2009
  • Mean age 11.9 (range, 30-4) years
  • 27 humeri in 18 patients

A.K. 8 Years. M. SED. 10 CM 95%

etiology
Etiology
  • 9 bilateral

7 achondroplasia

2 epiphysealdysplasia

  • 9 unilateral

4 septic artritis

2 tumor sequelae

3 hemimelia

N.P. 7 years. F.Achondroplasia. 6 cm. 50%

A.M. 23 Years.F. Post infection. 8 cm .40%

result
Result
  • Mean follow-up 49 months (range, 11-104).
  • Mean EFT 216 days (range, 120-510 )
  • Mean EFI 33,1 (range, 19– 50 ) days/cm.

B.K.. 17 Years. M. Epiphysitis. 7,5 cm. 47%

the m ean l engthening r ate
The Mean Lengthening Rate
  • The mean lengthening 7,26 cm (range, 3,7-12 cm).

56 % (25- 95 %)

66 % (45- 95 %) in achondroplasia.

M.G. 7 Years.M. Achondroplasia.

9.5 cm . 95%

p aley s f unctional s cores
Paley’s Functional Scores
  • Excellent in 11,
  • Good in 15,
  • Fair in one humerus

M.A. 13 Years. M. Achondroplasia. 8 cm. 62%

U.B. 5 Years. Achondroplasia. 7.5 cm. 80%

p aley s b one s cores
Paley’sBone Scores
  • Excellent in 22
  • Good in 5 humeri

M.G.7 Years. M. 9.5 CM .95%

N.P.7 Years. F.Achondroplaizia. 6,5 cm. 50%

complications
Complications
  • 7 problems;
  • 2 gradeI, 2 grade II, 1 grade III pin tract infection
  • 3 radial nerve palsy spontaneously resolved

E.G. 16 Years. 6 cm . Lymphoma.33% .

complications1
Complications
  • 3 obstacles; 3 regenerate fractures

M.G. 5 Years. M. L ulnarhemimelia. 3,7 CM .25%

M.A. 13 Years. M. Achondroplasia. 8 cm. 62%

  • No sequelae
last word
LAST WORD
  • Unilateral external fixator provide adequate stability, low complication rate, high length amount and comfort for humeral lengthening
  • The range-of-motion of the adjacent joints arepreserved

T.K. 15 Years.M. Dwarfism.8 CM.50%

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