{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,7,7]],"date-time":"2026-07-07T21:44:29Z","timestamp":1783460669159,"version":"3.55.0"},"reference-count":39,"publisher":"Wiley","issue":"12","license":[{"start":{"date-parts":[[2012,7,31]],"date-time":"2012-07-31T00:00:00Z","timestamp":1343692800000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Knee surg. sports traumatol. arthrosc."],"published-print":{"date-parts":[[2013,12]]},"abstract":"<jats:title>Abstract<\/jats:title><jats:sec><jats:title>Purpose<\/jats:title><jats:p>Unsteady ambulation shortly after total knee arthroplasty (TKA) may cause falling. Postural sway may predict the risk of falling. This prospective single\u2010blinded observational study therefore evaluated the effects of TKA on single\u2010limb standing balance (SLSB) and factors related to change in SLSB.<\/jats:p><\/jats:sec><jats:sec><jats:title>Methods<\/jats:title><jats:p>Patients with varus deformity and medial compartment degeneration were evaluated between September and December 2010. The Western Ontario and McMaster Universities Osteoarthritis Index and Kellgren\/Lawrence scale were assessed, as were varus angle, number of painful knees, isometric peak torque of the quadriceps femoris, balance index of double limbs, and postural sway of single limbs.<\/jats:p><\/jats:sec><jats:sec><jats:title>Results<\/jats:title><jats:p>Twelve patients were enrolled and 11 were analysed. The mean \u00b1 SD postural sway of single limbs (i.e., SLSB) was reduced significantly after TKA, from 30.3 \u00b1 20.8\u00a0cm to 18.5 \u00b1 9.3\u00a0cm (<jats:italic>p<\/jats:italic> = 0.02). Amelioration was in proportion to pre\u2010operative postural sway (\u03b2 = 0.92).<\/jats:p><\/jats:sec><jats:sec><jats:title>Conclusions<\/jats:title><jats:p>SLSB in patients with varus knees with osteoarthritis was improved significantly 11\u00a0days after TKA. Poorer pre\u2010operative SLSB was associated with better post\u2010operative SLSB. TKA may be useful for the immediate reduction of falling in patients with osteoarthritis.<\/jats:p><\/jats:sec><jats:sec><jats:title>Level of evidence<\/jats:title><jats:p>Therapeutic study, case series, Level IV.<\/jats:p><\/jats:sec>","DOI":"10.1007\/s00167-012-2144-x","type":"journal-article","created":{"date-parts":[[2012,7,30]],"date-time":"2012-07-30T07:24:47Z","timestamp":1343633087000},"page":"2744-2750","source":"Crossref","is-referenced-by-count":20,"title":["Improved single\u2010limb balance after total knee arthroplasty"],"prefix":"10.1002","volume":"21","author":[{"given":"Sung Do","family":"Cho","sequence":"first","affiliation":[{"name":"Department of Orthopedic Surgery Ulsan University Hospital University of Ulsan College of Medicine 290\u20103\u00a0Jeonha\u2010dong, Dong\u2010gu 682\u2010714 Ulsan Republic of Korea"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Chang Ho","family":"Hwang","sequence":"additional","affiliation":[{"name":"Department of 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