Objectives:
To
biomechanically and histopathologically compare the effects on healing in the
osteotendinous region of the treatment methods of hyperbaric oxygen (HBO) and
extracorporel shock wave (ESW) on an injury created at the osteotendinous
junction in an experimental rabbit model.
Methods: The study included 36 New Zealand rabbits.The
patellar tendon tibial osteotendinous junction was cut and then repaired. Group
1 was evaluated as the control group, with no further intervention.In Group 2,
a single session of ESW was applied at 14 hz/750 Impulse/10 mins to an area 1×1
cm2 in the repaired area under fluoroscopy guidance. The animals in
Group 3 were applied with 100% oxygen as HBO at 2.4 ATA/110 min for 7 days. At
the end of 6 weeks, 6 animals from each group were applied with a tension test
and 6 animals were processed for histopathological examination.
Results: In Group 1, the forces at the start of the
separation of the osteotendinous junction, at a 2 mm separation and at full
rupture were lower than those of Group 2 and Group 3 (p = 0.001 and p = 0.001, respectively). The highest separation force values were
determined in Group 3 (p
= 0.001).
Histopathologically, a statistically significant difference was determined in
respect of the fibrocartilage tisssue formation, and fusion with new bone
tissue between Group 1 and Group 2 and between Group 1 and Group 3 (p
< 0.05). No statistically significant difference was determined between
Group 2 and Group 3 (p = 0.310).
Conclusions: It was observed that the application of HBO
and ESW improved biomechanical resistance and healing in the injuries in the
osteotendinous junction by increasing the bone-tendon fusion in this area.The
application of HBO and ESW increased biomechanical resistance compared to the
control group.In the histopathological evaluation, the ESW group was better than
the control group and the HBO group was evaluated as the best.
Primary Language | English |
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Subjects | Orthopaedics |
Journal Section | Original Articles |
Authors | |
Publication Date | March 4, 2020 |
Submission Date | October 8, 2018 |
Acceptance Date | March 22, 2019 |
Published in Issue | Year 2020 Volume: 6 Issue: 2 |