– See: Neurologic Injuries in THR: – Discussion: – sciatic nerve is palpated by rolling it under surgeon’s finger as it crosses ischial projection from posteroinferior aspect of the acetabulum; – palpate sciatic nerve as it passes superficial to obturator internus & gemelli; – sciatic … Read more
– See: Total Hip Replacement Menu: – Discussion: – natural history of DDH: – acetabular rim syndrome: – results from dysplastic hip, which stresses the labrum, resulting in labral degeneration; – hip arthroscopy and debridement in these patients may provide the patient w/ a few … Read more
– Patient Position: – ensure that patient has not rotated anteriorly, for this may allow acetabular component to be placed in retroverted position; – ensure that patient’s torso is not tilted inferiorly (as can occur from a bean bag), as this can cause reaming in an excessive … Read more
– See: Total Hip Replacement Menu: – cementless components – cement technique – acetabular component revision – operative considerations for hip dyplasia – protrusio – Discussion: – technical considerations: – in the report by Crites BM, et al (2000), the effect of porosity reduction cementing techniques with respect to radiolucent lines … Read more
– See: Total Hip Replacement Menu: – acetabular component revision: – operative considerations for hip dyplasia – protrusio – reaming technique: – component insertion: – … Read more
– Discussion: – see native acetabular anteversion and femoral anteversion and acetabular component position – general considerations: – simple visualization of length of anterior/posterior walls gives an accurate measure of native anteversion; – references: – Femoral anteversion in THA and its lack of correlation with native acetabular anteversion. – … Read more
– See: Total Hip Replacement Menu / acetabular component revision: – Surgical Technique: – preoperative planning: – acetabular biomechanics: – operative considerations for hip dyplasia – protrusio – types of components: … Read more
– See: – operative considerations for hip dyplasia – acetabular component revision – Discussion: – restoration of the normal hip center in acetabular reconstruction encourages restoration of normal biomechanics; – medial placement: – moving hip center medially improves efficiency of … Read more
– Discussion: – considerations: – removal of press fit components can often be complicated by heavy bone ingrowth, insertion of under-reamed components, or insertion of oversized peripherally oversized cups; – acetabular exposure: … Read more
– See: Transverse Fractures of the Acetabulum – Discussion: – compared to other types of acetabular frx, the T Shaped – Posterior Wall Frx may have the highest prevalence of poor clinical results; – T shaped fractures which are known to be especially … Read more