Modified porous tantalum rod technique for the treatment of femoral head osteonecrosis.

Aim: To study a modified porous tantalum technique for the treatment of osteonecrosis of the femoral head.

Methods: The porous tantalum rod was combined with endoscopy, curettage, autologous bone grafting and use of bone marrow aspirates from iliac crest aspiration in 49 patients (58 hips) with a mean age of 38 years. The majority of the patients had idiopathic osteonecrosis, followed by corticosteroid-induced osteonecrosis.