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A Novel

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Wires removed at 3 wks (closed pinning) & 5 wks (ORIF cases) ... Biomechanical analysis of Percutaneous pinning techniques Lee SS et al, J Paed ... – PowerPoint PPT presentation

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Title: A Novel


1
A Novel Innovative technique of pin passage
construct in treatment of Gartlands Type III
Supracondylar Fractures in Children
  • Mr. Harshavardhana NS
  • Dr. Pilankar SP
  • Dr. Patil NK
  • Dr. Bagaria VB
  • Dr. Sapre VR
  • Dr. Lambat MG
  • Prof. Karkhanis AR
  • Mr. Bharadwaj RG
  • Mr. Sahu A
  • Seth G S Medical College, Univ of Mumbai INDIA

2
BACKGROUND
  • Gold Standard Rx - Closed Reduction Percut
    Crossed K-wires (Wilkins KE, Busch
    MT, Aronson DD, Boyd DW, Pirone AM et al)
  • Medial Pin Placement Ulnar N Neuropraxia (3-5)
  • Ulnar N Palsies after percutaneopus
    pining of Supracondylar res in Paed elbow.
    Lybis et al J Paed Orthop 1998 18 43
  • Neurologic complicatins after K-wire
    fixation of supracondular res in children.
    Royce et al J Paed Orthop 1991 1 191
  • Alternative Lateral Pin constructs
    (biomechanically less stable than cross
    K-wires)

3
MATERIALS METHODS
  • Prospective study of 19 cases of Gartlands
    extension type III res.
  • Types I II res were excluded in this study.
  • Close reduction and pinning in 16 cases.
  • Open reduction required in 3 cases.
  • Approach used for open reduction -- LATERAL.

4
MATERIALS METHODS
  • Av Age 7.1 yrs (3 11)
  • Av time from Injury to Sx 25.7 hrs (12
    100)
  • Av F/u for 11 wks (9 - 25)
  • Wires removed at 3 wks (closed pinning) 5 wks
    (ORIF cases)

(X axis Age Group Y axis No of Patients)
Right extremity 12 Left extremity 7 cases
respectively
5
Our Novel INNOVATIVE Technique
  • Confirm reduction under Image Intensifier (rotate
    the C-arm and NOT the patients arm)
  • Two 1.6 mm K-wires passed from lateral condyle
    upwards at le of 300 to humeral axis to secure
    purchase in medial cortex.
  • Third K-wire passed (under image intensifier
    guidance) from Lateral Supracondylar pillar
    downwards to gain purchase in medial subchondral
    bone of Distal Fragment.
  • CARE TAKEN NOT TO BREACH THE SUBCHONDRAL BONE to
    avoid ULNAR N Injury.

6
PRE-OP RADIOGRAPHS
7
POST-OP RADIOGRAPHS
8
RESULTS
  • Assessment based on Flynns Criteria as it takes
    into account
  • Loss of Range of Motion (ROM)
  • Loss of Carrying Angle

9
DISCUSSION CONCLUSION
  • Studies Re - Optimal Pin Construct
  • Torsional strength of pin configurations used to
    fix SC Humeral res Zionts LE et
    al, JBJS(A) 1994 76(2) 253-6.
  • Biomechanical analysis of Percutaneous
    pinning techniques
    Lee SS et al, J Paed Orthop 2002 (22)
    440-3.
  • Our Innovative concept is -- SAFE

  • SIMPLE

  • STABLE

  • COMPARABLE to GOLD Standard.
  • Limitations of our Study are
  • -- Needs Biomechanical Evidence
  • -- Needs long term
    Follow-up Re Loss of Carrying angle resulting
    in Cubitus Varus / Hyperextension deformities.

10
A Mind that knows the Principles will
..And Finally
Devise its own Methods
Thank you
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