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With PFA, there is greater possibility of patients returning
to the operating room for revision and conversion to TKA.
The Hospital for
Special Surgery, New York, presents a report according to which the chances of
revision and conversion are higher among people who received Patellofemoral
arthroplasty (PFA) than total knee arthroplasty (TKA). To treat the last stage,
isolated patellofemoral arthritis (PFOA), TKA and PFA are the accepted
therapies but with a different rate of re-operations and complications.
Therefore, a
systematic review was conducted by following the PRISMA guidelines to evaluate
the prevalence of re-operation between PFA and TKA used to manage isolated
PFOA. Embase, PubMed, NHS Economic Evaluation Database, Health Technology
Assessment Database, Cochrane library including Cochrane Central Register of
Controlled Trials, and Cochrane Methodology Register were searched to obtain
the data. Potential articles were screened by conducting the meta-analysis with
at least one-year follow-up comprised with detailed reasons for re-operation.
All the re-operations went through data extraction and interpretation. Survival
of the implant and return to the operating room (OR) for any reason were
considered as primary and secondary outcomes, respectively.
The PFA and TKA
group showed 6.34 and 0.11 weighted rate of either conversion or revision
arthroplasty. Further, the weighted rate of return to the OR and manipulation
under anaesthesia (MUA) noticed for soft and bony tissue procedures was (0.79
and 1.06) and (1.23 and 0.32), respectively. These findings reflect that TKA
therapy associated with fewer chances to return to the operating room as
compared to the PFA.
International Orthopaedics
Return to the operating room after patellofemoral arthroplasty versus total knee arthroplasty for isolated patellofemoral arthritis-a systematic review.
Colin Y. L. Woon et al.
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