Time elapsed from definitive diagnosis to surgery for osteonecrosis of the femoral head: a nationwide observational study in Japan

Conclusion
ONFH has been considered to be an intractable disease that often requires surgical treatment, but the fact that surgery was performed in more than half of the patients within 9 months from diagnosis suggests severe disease with a significant clinical impact.

Trial registration number
Chiba University ID1049.

Source: BMJ Open - March 29, 2024 Category: General Medicine Authors: Nakamura, J., Fukushima, W., Ando, W., Hagiwara, S., Kawarai, Y., Shiko, Y., Kawasaki, Y., Sakai, T., Ito, K., Arishima, Y., Chosa, E., Fujimoto, Y., Fujiwara, K., Hasegawa, Y., Hayashi, S., Imagama, T., Inaba, Y., Ishibashi, Y., Ishidou, Y., Ito, H., Ito Tags: Open access, Rheumatology Source Type: research