outcome of revision in comparison with primary total knee arthroplasty in iran

Authors

hossein farahini rasool-e-akram general hospital.iran universityof medical sciences.سازمان اصلی تایید شده: دانشگاه علوم پزشکی ایران (iran university of medical sciences)سازمان های دیگر: rasool-e-akram general hospital.

ehsan akbarian shahid beheshti university of medical sciencesسازمان اصلی تایید شده: دانشگاه علوم پزشکی شهید بهشتی (shahid beheshti university of medical sciences)

mehdi moghtadaei rasool-e-akram general hospital.iran universityof medical sciences.سازمان اصلی تایید شده: دانشگاه علوم پزشکی ایران (iran university of medical sciences)سازمان های دیگر: rasool-e-akram general hospital.

siroos malekpoor rasool-e-akram general hospital.iran universityof medical sciences.سازمان های دیگر: rasool-e-akram general hospital.

abstract

abstract  background: in the recent decade, many primary total knee arthroplasties have  been carried out in iran and the number of revision cases is expected to rise with the  aging population. the aim of this study was to report the outcome of revision surgery  in the country and make a comparison between the outcome of revision and that of  the primary arthroplasty.  methods: retrospectively, each case of 19 consecutive revision total knee arthroplasties was matched individually with two cases of primary total knee arthroplasty  based on gender and age (within 5 years) in order to compare the outcome in the two  groups of revision and primary arthroplasties. detailed demographic data, underlying  diagnosis, patient-reported pain severity, and knee society score were recorded  pre-operatively and in the third month after the surgery for each patient in the two  groups. using chi-square, fisher's exact, one-way anova, independent, and paired  t-tests, we compared the outcomes in two groups as well as in each group before and  after the arthroplasty.  results: knee pain was significantly decreased after the surgery in the two groups  of revision (p = 0.031) and the primary (p < 0.001) arthroplasty. there was no statistically notable difference of post-operative pain between the two groups of revision  and primary tka. the knee society score remarkably increased in both groups after  the surgery (both ps < 0.001). the differences of knee society scores before and after  the surgery were calculated separately in each group and compared to show that the  primary group had a better outcome (p < 0.001) rather than the revision arthroplasty  group.  conclusion: conclusion: satisfactory outcomes were obtained in our revision total  knee arthroplasties however, the primary arthroplasties had better results. the results  of surgery appear to be closely related to the technical demands placed on surgeon.  because we have to deal with more cases of revision total knee arthroplasty in  near future, more comprehensive risk factor assessment studies with large sample  size are required for gaining better results.

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Journal title:
medical journal of islamic republic of iran

جلد ۲۳، شماره ۱، صفحات ۱-۷

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