2016
DOI: 10.1016/j.arth.2016.03.001
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Functional Improvement and Expectations Are Diminished in Total Knee Arthroplasty Patients Revised for Flexion Instability Compared to Aseptic Loosening and Infection

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Cited by 24 publications
(12 citation statements)
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“…Rajgopal et al 11 also found smaller improvements in KSS scores compared with revision TKA undertaken for other indications. Our improvement of 25 points in the median KSS function score is similar to that reported by Grayson et al 24 and as Rajgopal et al 11 As has been previously suggested, these modest improvements in functional outcome after revision TKA for flexion instability probably reflect higher preoperative scores. Importantly, we found that the improvement in KSS scores was maintained over time with no difference between scores at one, two, five, and ten years.…”
Section: Discussionsupporting
confidence: 91%
See 1 more Smart Citation
“…Rajgopal et al 11 also found smaller improvements in KSS scores compared with revision TKA undertaken for other indications. Our improvement of 25 points in the median KSS function score is similar to that reported by Grayson et al 24 and as Rajgopal et al 11 As has been previously suggested, these modest improvements in functional outcome after revision TKA for flexion instability probably reflect higher preoperative scores. Importantly, we found that the improvement in KSS scores was maintained over time with no difference between scores at one, two, five, and ten years.…”
Section: Discussionsupporting
confidence: 91%
“…Revision TKA for flexion instability resulted in fair clinical outcomes at ten years, as has previously been reported. [5][6][7]11,13,24,25 In a series of 92 patients, Grayson et al 24 found that patients who underwent revision for flexion instability had less improvement in their clinical outcomes compared with those who underwent revision for aseptic loosening or infection. Rajgopal et al 11 also found smaller improvements in Kss scores compared with revision tKa undertaken for other indications.…”
Section: Discussionmentioning
confidence: 99%
“…An explanation for this change could be an increase in recognition of instability, where revisions that were once diagnosed as pain of unknown origin have increasingly been interpreted as pain due to instability (Firestone and Eberle 2006 , Grayson et al. 2016 ). Another possibility is the development of new knowledge, with the dissemination and acceptance of the concept of mid-flexion instability during the study period (Ramappa 2015 , Longo et al.…”
Section: Discussionmentioning
confidence: 99%
“…Of the 22 included studies, two studies were performed in Germany [ 35 , 36 ], ten in the USA [ 7 , 16 , 37 – 44 ], four in Canada [ 45 48 ], two in the United Kingdom [ 49 , 50 ], two in France [ 51 , 52 ], one in Finland [ 53 ], and one in Russia [ 54 ] (Table 1 ). All studies were observational, of which 16 were retrospective cohort studies [ 16 , 35 37 , 40 , 42 , 43 , 45 49 , 52 – 54 ], and six were prospective cohort studies [ 7 , 38 , 39 , 41 , 44 , 50 ]. The total number of patients in the 22 studies was 2,462 (range 14 – 308).…”
Section: Resultsmentioning
confidence: 99%