Background: The alumina ceramic femoral head was introduced for total hip arthroplasty
approximately thirty years ago. One of its main drawbacks was the risk of implant fracture. The …

Objective To determine which laboratory test or tests at presentation best predicted a diagnosis
of rheumatoid arthritis (RA) 2 years later. Methods Two hundred seventy patients with …

An anterior approach to the lumbar spine is increasingly used in performing fusion. Depending
on the level to be treated, several approaches have been developed to deal with the …

Purpose ALIF with cages is expected to restore disc height and stabilize the spine promoting
fusion, while avoiding damage attributed to rod-pedicle screw fixation. However, it may be …

Purpose Aspirating bone marrow from the iliac crest using small volumes of 1–4 ml with a 10-ml
syringe has been historically proposed for harvesting adult mesenchymal stem cells and …

Introduction Hip osteonecrosis is a pathological condition resulting from cellular impairment
due to reduction in osteoblast activity and local mesenchymal stem cell populations. Cell-…

OBJECT Frequent complications of posterolateral instrumented fusion have been reported
after treatment of degenerative scoliosis in elderly patients. Considering that in some cases, …

Purpose To analyze the neurological and mechanical outcomes in 44 consecutive patients
treated for a hematological malignancy with epidural localization to assess the place of …

Purpose Autologous iliac crest bone graft (ICBG) is the gold standard material for spinal
fusion. Bone graft substitutes, such as recombinant human bone morphogenic protein 2 (rhBMP-…

Purpose Using bone marrow mesenchymal stem cells (MSCs) with aspiration from the iliac
crest is commonly used in reconstructive orthopaedic surgery. Because bone marrow …