Journal of Children’s Orthopaedics - February 2022 - 11

Baraka et al.
11
Figure 4. Steps of the neck lengthening osteotomy. (a) The first guide wire (1) inserted in the center of the femoral head and
neck, at an angle of 130°. A second guide wire (2) inserted parallel to the first, at the level of the superior neck. A third parallel
guide wire (3) inserted at the level of the inferior neck. (b) Seating chisel along the central guide pin. (c) Blade plate is inserted
and inferior neck osteotomy is completed. (d) Shaft approximated to the plate creating neck lengthening. (e) Completion of
the osteotomy along the superior neck guide pin, creating a free bone block. (f) Position of the blade in the lateral view. (g) For
effective neck lengthening, the chosen blade length was greater than the measured length by 2 cm. (h) The final postoperative x-ray
demonstrating neck lengthening and GT position.
90°, at a rate of two cycles per minute. Partial weight-bearing
was instructed during the first month. Stationary bike exercise
was introduced at 1 month. Radiographs were repeated
monthly to determine union of both trochanteric and intertrochanteric
osteotomies.
Thereafter, patients started full
weight-bearing after union of the trochanteric osteotomy.
All patients were re-evaluated at 6-month intervals till
the latest follow-up. This included clinical and functional
assessment using the HHS and goniometric ROM measurements.
Preoperative and postoperative values were
compared for each case. Plain radiographs at the final follow-up
included assessment of FH viability, union of trochanteric
and intertrochanteric osteotomies, measurements
of radiographic indices, and observation of any radiographic
OA progression (increase in Tönnis grade). Results
were analyzed using the Statistical Package for Social
Science (SPSS 20; IBM corp. Armonk, New York, USA).
Analytical statistics, the paired t test, and McNemar test
were used to assess the statistical significance.
Results
Clinical parameters
The mean HHS improved from 66.5 to 89.5 points
(p < 0.001). The mean LLD improved from 2.5 cm (range,

Journal of Children’s Orthopaedics - February 2022

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Journal of Children’s Orthopaedics - February 2022 - Cover1
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Journal of Children’s Orthopaedics - February 2022 - Contents
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