Heyd R, Schopohl B, Kirchner J, Böttcher H D
Klinik für Strahlentherapie und Onkologie, J.W. Goethe Universität Frankfurt am Main.
Aktuelle Radiol. 1997 Sep;7(5):270-3.
Preliminary results of a prospective study which investigates the efficacy of preoperative radiotherapy (RT) for prevention of heterotopic ossification (HO) after total hip arthroplasty are summarized. A total number of 20 hip joints (18 patients) were irradiated with a single dose of 6.0 Gy < 4 hours before the surgical procedure. After an average observation period of 6.9 months (range: 6-11 months) the results were evaluated using radiological and clinical criteria. At follow-up, one case (5%) had evidence of high-grade HO (> Brooker grade II). The functional outcome quantified with the Harris score was improved by an average of 37.9 points. The authors conclude that preoperative RT is an effective alternative for postoperative irradiation.
一项前瞻性研究对术前放疗（RT）预防全髋关节置换术后异位骨化（HO）的疗效进行了调查，现将其初步结果进行总结。在手术前4小时内，对总共20个髋关节（18例患者）进行了单次6.0 Gy的照射。经过平均6.9个月（范围：6 - 11个月）的观察期后，使用放射学和临床标准对结果进行评估。随访时，1例（5%）有高级别HO（>布鲁克分级II级）的证据。用Harris评分量化的功能结果平均提高了37.9分。作者得出结论，术前放疗是术后放疗的一种有效替代方法。
