The difficulties encountered in dealing with the bone deficient acetabulum are amongst the greatest challenges in hip surgery. Acetabular reconstruction in revision total hip arthroplasty can successfully be achieved with hemispherical components featuring a porous or roughened ingrowth surface and options for placement of multiple screws for minor acetabular defect. Acetabular component select...

STUDY DESIGN Retrospective case-control study. OBJECTIVE A cost-effectiveness analysis was performed by comparing patients who received extension revision operations for adjacent segment disease (ASD) reusing the pedicle screws extracted from fused segments with patients who received conventional surgery. SUMMARY OF BACKGROUND DATA ASD often required extension revision surgery, and during e...

We have studied the natural history of a first episode of dislocation after primary total hip replacement (THR) to clarify the incidence of recurrent dislocation, the need for subsequent revision and the quality of life of these patients. Over a six-year period, 99 patients (101 hips) presented with a first dislocation of a primary THR. A total of 61 hips (60.4%) had dislocated more than once. ...

OBJECTIVES/HYPOTHESIS To investigate the clinical significance of middle turbinate lateralization (MTL) occurrence postendoscopic sinus surgery (ESS) for chronic rhinosinusitis, namely, association with postoperative symptoms and eventual need for undergoing revision surgery. STUDY DESIGN Retrospective chart review of consecutive postoperative follow-up appointments (November 2009-May 2011) f...

Joint replacement is currently on the rise with a high community burden. A registry was designed to evaluate the costs,possible complications, and rate of revisions as well as finding the most effective techniques, risk factors associatedwith poor results, indications for revision surgeries, and also demographic evaluation of patients undergoing jointreplacement surgery in Iran. Level of eviden...