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- W2364271881 abstract "Objective To assess the clinical significance of bone marrow edema(BME) after interventional therapy of avascular necrosis of femoral head.Methods From October 2010 to January 2012,39 patients with avascular necrosis of 60 femoral heads underwent interventional treatment.MRI was performed preoperatively and at 1,4 and 7 months after interventional therapy.BME was graded from 0 to 2 on MRI.Contingency table analysis,linear regression analysis and rank sum test were used to compare the BME before and after interventional therapy.Results Preoperative BME was noted in 53 of 60 hips with 24 grade 1 and 29 grade 2. For those with grade 1 BME preoperatively,there was significant difference(P 0.001) between the preoperative and 4 month posttreatment as well as between the preoperative and 7 month post-treatment BME grading.There was no linear correlation between the grade of BME and different time periods(P 0.05).The rank of BME grading decreased from 65 preoperatively and at 1 month to 33 at 4 months and 31 at 7 months after treatment.Conclusions Grade 1 BME in avascular necrosis of femoral head can resolve with interventional therapy.Follow-up MRI should be performed at 4 months after treatment." @default.
- W2364271881 created "2016-06-24" @default.
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- W2364271881 date "2013-01-01" @default.
- W2364271881 modified "2023-09-25" @default.
- W2364271881 title "Clinical significance of bone marrow edema after interventional therapy of femoral head necrosis" @default.
- W2364271881 hasPublicationYear "2013" @default.
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