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Objective To explore the influential factors and predictive value of early femoral head collapse progression following allogeneic fibula grafting (AFG) surgery. Methods Clinical and radiological data of 68 patients (75 hips) with osteonecrosis of the femoral head (ONFH) who underwent AFG between January 2008 and December 2022 at the Orthopedics and Traumatology Department, Affiliated Hospital of Nanjing University of Chinese Medicine were retrospectively analyzed. Seventy-five hips were divided into stable (n=40) and progressive (n=35) groups based on the presence or absence of postoperative collapse progression. Age, gender, etiology, location of the lesion, Association Research Circulation Osseous (ARCO) stage, Japanese Committee of Osteonecrosis Investigation (JIC) classification, China-Japan Friendship Hospital (CJFH) classification, and Hounsfield units (HU) value of anterolateral sclerosis rim (ⅠSHU) were collected. Univariate and multivariate logistic regression analyses were used to identify the factors influencing early collapse progression after AFG. Receiver operating characteristic (ROC) curve was used to analyze the predictive value of the identified factors influencing postoperative early collapse progression. Results Of the 75 hips, 35(46.7%) had postoperative collapse progression. Univariate logistic regression analysis showed that age, ARCO stage, JIC classification, and ⅠSHU were in fluencing factors for early femoral head collapse progression after AFG (P<0.05). Multivariate logistic regression analysis showed that ARCO stage ⅢA and JIC classification C2 were independent risk factors for early femoral head collapse progression after AFG, while ⅠSHU was identified as an independent protective factor (P<0.05). The ROC curve analysis showed that the sensitivities of ARCO stage, JIC classification, ⅠSHU, and the combined predictive model were 0.850, 0.725, 0.800, and 0.775, the specificities were 0.486, 0.657, 0.743, and 0.914, and the area under the ROC curve (AUC) were 0.668, 0.725, 0.811, and 0.896, respectively. Conclusions ⅠSHU is associated with early collapse progression after AFG in patients with ONFH. ARCO stage ⅢA, JIC classification C2, and ⅠSHU are independent factors influencing postoperative early collapse progression and have a certain predictive value.
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| 科 Family | 属数 Number of genus | 种数 Number of species | 占总种数比例 Percentage of total species (%) | 属 Genus | 种数 Number of species | 占总种数比例 Percentage of total species (%) |
|---|---|---|---|---|---|---|
| 鹅膏菌科Amanitaceae | 2 | 11 | 5.26 | 鹅膏菌属 Amanita | 10 | 4.78 |
| 小菇科 Mycenaceae | 2 | 12 | 5.74 | 丝盖伞属 Inocybe | 5 | 2.39 |
| 多孔菌科 Polyporaceae | 8 | 14 | 6.70 | 蜡蘑属 Laccaria | 5 | 2.39 |
| 红菇科 Russulaceae | 3 | 23 | 11.00 | 小皮伞属 Marasmius | 6 | 2.87 |
| 小菇属 Mycena | 11 | 5.26 | ||||
| 光柄菇属 Pluteus | 5 | 2.39 | ||||
| 红菇属 Russula | 17 | 8.13 | ||||
| 栓菌属 Trametes | 5 | 2.39 |
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