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Concomitant Syndesmotic Instability and Medial Ankle Instability Are Risk Factors for Unsatisfactory Outcomes in Patients With Chronic Ankle Instability.

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dc.contributor.authorKim, JS-
dc.contributor.authorYoung, KW-
dc.contributor.authorCho, HK-
dc.contributor.authorLim, SM-
dc.contributor.authorPark, YU-
dc.contributor.authorLee, KT-
dc.date.accessioned2017-05-31T10:32:37Z-
dc.date.available2017-05-31T10:32:37Z-
dc.date.issued2015-
dc.identifier.issn0749-8063-
dc.identifier.urihttp://repository.ajou.ac.kr/handle/201003/14031-
dc.description.abstractPURPOSE: To determine whether concomitant chronic syndesmotic injury or chronic medial ankle instability is associated with unsatisfactory outcomes in patients with chronic lateral ankle instability (CAI).

METHODS: We conducted a retrospective review of prospectively collected data from 276 male military patients with CAI who had undergone a modified Broström procedure between May 2007 and March 2010 and had been followed up for a mean of 26.7 months (range, 22 to 41 months). We evaluated clinical outcomes using American Orthopaedic Foot & Ankle Society ankle-hindfoot, visual analog scale, and ankle functional satisfactory scale scores. Possible associations with concomitant instability were reconstructed and investigated using the Pearson correlation coefficient and multivariate logistic regression analysis.

RESULTS: Of the 236 patients with satisfactory outcomes, 19 (8%) had medial ankle instability and 13 (6%) had syndesmotic instability; in contrast, of the 40 patients with unsatisfactory outcomes, 14 (35%) had medial ankle instability and 12 (30%) had syndesmotic instability. The mean American Orthopaedic Foot & Ankle Society scores for patients with satisfactory and unsatisfactory outcomes increased from 68.1 to 92.8 (P < .001) and from 65.9 to 76.8 (P < .001), respectively. The mean visual analog scale scores for the groups with satisfactory and unsatisfactory outcomes decreased from 5.8 to 2.1 (P < .001) and from 6.2 to 4.8 (P < .001), respectively. The mean ankle satisfaction score was 27.8 for patients with satisfactory outcomes and 18.7 for those with unsatisfactory outcomes (P < .001). Multivariate logistic regression analysis showed a 4-fold higher risk of dissatisfaction (95% confidence interval [CI], 0.81 to 20.07; P = .0880) with CAI and syndesmotic instability, a 3.8-fold higher risk (95% CI, 0.96 to 15.07; P = .0576) with CAI and medial ankle instability, and an 11.7-fold higher risk (95% CI, 2.60 to 52.70; P = .0014) with CAI and both syndesmotic and medial ankle instability.

CONCLUSIONS: Chronic syndesmotic instability and chronic medial ankle instability are significantly associated with unsatisfactory outcomes in patients with CAI.

LEVEL OF EVIDENCE: Level IV, therapeutic case series.
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dc.language.isoen-
dc.subject.MESHAdult-
dc.subject.MESHAnkle Injuries-
dc.subject.MESHAnkle Joint-
dc.subject.MESHChronic Disease-
dc.subject.MESHFemale-
dc.subject.MESHHumans-
dc.subject.MESHJoint Instability-
dc.subject.MESHLateral Ligament, Ankle-
dc.subject.MESHMale-
dc.subject.MESHMiddle Aged-
dc.subject.MESHPrognosis-
dc.subject.MESHRetrospective Studies-
dc.subject.MESHRisk Factors-
dc.subject.MESHTreatment Outcome-
dc.subject.MESHYoung Adult-
dc.titleConcomitant Syndesmotic Instability and Medial Ankle Instability Are Risk Factors for Unsatisfactory Outcomes in Patients With Chronic Ankle Instability.-
dc.typeArticle-
dc.identifier.pmid25882179-
dc.identifier.urlhttps://linkinghub.elsevier.com/retrieve/pii/S0749-8063(15)00130-9-
dc.contributor.affiliatedAuthor박, 영욱-
dc.type.localJournal Papers-
dc.identifier.doi10.1016/j.arthro.2015.02.021-
dc.citation.titleArthroscopy : the journal of arthroscopic & related surgery-
dc.citation.volume31-
dc.citation.number8-
dc.citation.date2015-
dc.citation.startPage1548-
dc.citation.endPage1556-
dc.identifier.bibliographicCitationArthroscopy : the journal of arthroscopic & related surgery, 31(8). : 1548-1556, 2015-
dc.identifier.eissn1526-3231-
dc.relation.journalidJ007498063-
Appears in Collections:
Journal Papers > School of Medicine / Graduate School of Medicine > Orthopedic Surgery
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