Pulsed Lavage in Cementless Total Hip Arthroplasty Reduces the Incidence of Brooker
12 Grade 3 and 4 Heterotopic Ossifications
HO formation in only 1% of the cases. A large portion of
patients (40%) received NSAIDs postoperatively, and all
wounds were irrigated with 1000 mL of saline [25]. Al-
though no pulsatile lavage was used wound lavage may
have had an additional beneficial effect, causing the low
incidence of HO.
5. Conclusions
In conclusion our study showed significantly less Brooker
grades 3 and 4 heterotopic ossifications after cementless
THA in male patients treated with pulsed lavage. This
suggests a positive effect of pulsed lavage on preventing
clinically relevant HO formation. Other studies suggested
that lavage in general reduces the incidence of HO after
THA. Future prospective randomized trials should eluci-
date whether pulsed lavage, in addition to syringe lavage
and no lavage at all, is superior.
6. Acknowledgements
We thank I. van de Akker-Scheek, PhD, for her contribu-
tion to the manuscript.
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