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Patellofemoral arthroplasty versus total knee arthroplasty in patients with isolated patellofemoral osteoarthritis.
MedLine Citation:
PMID:  21290009     Owner:  NLM     Status:  In-Data-Review    
We identified all patients at our institution who underwent patellofemoral arthroplasty (PFA) or total knee arthroplasty (TKA) as treatment for isolated patellofemoral arthritis (PA) between January 2003 and December 2005. Twenty-three PFA and 22 TKA patients met inclusion criteria. Mean age was 60 years and 69 years, respectively (P = .01). Mean follow-up was 29 months (range, 24 to 49 months) in the PFA group and 27 months (range, 24 to 33 months) in the TKA group. Mean postoperative Knee Society Clinical Rating System scores were 89 and 90 in the PFA and TKA cohorts, respectively. Mean UCLA scores were 6.6 and 4.2, respectively (P<.0001). Mean blood loss (P = .03) and hospital stay (P = .001) were significantly lower among PFA patients. Linear regression analysis showed that blood loss, hospital stay, and functional outcomes were not affected by age as an independent variable. No significant complications occurred in the PFA group. There was one deep vein thrombosis in the TKA group. We conclude that PFA yields clinical outcomes comparable to that of TKA as treatment for isolated PA and may be a less invasive option for this select subgroup of patients.
Diane L Dahm; Walid Al-Rayashi; Khaled Dajani; Jay P Shah; Bruce A Levy; Michael J Stuart
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  American journal of orthopedics (Belle Mead, N.J.)     Volume:  39     ISSN:  1934-3418     ISO Abbreviation:  Am J. Orthop.     Publication Date:  2010 Oct 
Date Detail:
Created Date:  2011-02-03     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  9502918     Medline TA:  Am J Orthop (Belle Mead NJ)     Country:  United States    
Other Details:
Languages:  eng     Pagination:  487-91     Citation Subset:  IM    
Department of Orthopedic Surgery, Mayo Clinic, and Mayo Clinic College of Medicine, Rochester, MN 55905, USA.
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