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KMID : 1028220170290040234
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Hip & Pelvis
2017 Volume.29 No. 4 p.234 ~ p.239
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Extensive Surgical Wound Lavage Reduces the Incidence and Severity of Heterotopic Ossification in Primary Total Hip Replacement: A Study of 175 Hip Replacements
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Kantak Avadhoot P.
Shah Nirav N.
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Abstract
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Purpose: One of the local factors contributing to the formation of heterotopic ossification includes bone debris generated during the surgery. This risk can be partially nullified by use of saline wash. Our research aim was to ascertain if extensive intraoperative lavage can reduce the incidence and severity of heterotopic ossification in primary total hip arthroplasty.
Materials and Methods: A retrospective case control radiological study of 145 patients (175 hip replacements). The control group received minimal intra-operative lavage (<1,000 mL); consisted of 90 primary hip replacements. The index group received extensive saline lavage (>3,000 mL), and included 85 primary hip replacements. Brooker classification was used to grade radiographs at one year for development of heterotopic ossification.
Results: Sixty-six patients in control group had heterotopic ossification, with six showing a significant grade (grade 3 or 4). Thirty-five patients in the index group had heterotopic ossification with no incidence of severe grade. Majority patients in the index group showed a predominantly grade 1 heterotopic ossification; 28 out of 35, as compared to 37 out of 66 in control group. There was a statistically significant difference in the incidence (P<0.05) as well as severity of heterotopic ossification between the groups (P<0.05).
Conclusion: We conclude that use of extensive lavage during total hip replacement reduces the incidence as well as severity of heterotopic ossification.
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KEYWORD
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Heterotopic, Ossification, Therapeutic irrigation, Total hip replacement, Prevention and control
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