Bone Mineral Density Changes in the Hip and Spine of Men and Women 1-Year After Primary Cemented Total Knee Arthroplasty: Prospective Cohort Study.
prospective_cohort · Level II
Where this comes from
- Record sourced from PubMed, PMID 26169453.
- Also identified by DOI 10.1016/j.arth.2015.06.026.
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Abstract
This study evaluated age- and sex-adjusted changes in total hip and spine bone mineral density (BMD) within 1 year of total knee arthroplasty (TKA) using a prospective, longitudinal cohort with a one-year follow-up. Preoperatively, subjects underwent routine bone mineral densitometry of their hip and spine, which was repeated 12 months postoperatively. Of 108 subjects, 97 (90%) completed BMD testing. Total hip BMD decreased significantly over time (1.80% change, P<0.001) with females losing more than males (P<0.001). The pattern was similar, but attenuated in the spine. Subjects undergoing primary cemented TKA had significant bone loss in the hip within 12 months, beyond that expected with age.
Medical subject headings
- Arthroplasty, Replacement, Knee
- Bone Density
Anatomy
- knee
- hip
- lumbar spine
- pelvis