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Orthopaedic Proceedings
Vol. 93-B, Issue SUPP_IV | Pages 510 - 510
1 Nov 2011
Dézaly C Sirveaux F Roche O Wein-Remy F Paris N Molé D
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Purpose of the study: Several series have been reported on arthroscopic treatment of anterior instability. Few authors have focused on patient outcome after recurrent instability following arthroscopic stabilisation. Did these patients undergo revision surgery? What proportion? What were the results of secondary surgical coracoids block?

Material and methods: This was a retrospective analysis of 53 failures after arthroscopic stabilisation collected among a cohort of 182 patients who underwent surgery in our institution between 1988 and 2006. At last follow-up, shoulder function was noted using the Walch-Duplay score. The degree of joint degenerative disease was noted on the radiographs using the Samilson classification.

Results: Mean time to recurrence after arthroscopic stabilisation was 21 months (range 3–114). Patients were reviewed at mean 68 months. Twenty-four patients (45%° had not had revision surgery: 17 (32%) had declined a new operation and 7 (13%) had a unique episode of instability. Twenty-nine patients (55%) had revision surgery: 27 underwent an open procedure in our institution for a coracoids block. The revision was performed in another institution for two patients who were excluded from the analysis. Mean time between the two operations was 29 months. At last follow-up, 89% of the reoperated patients were satisfied. The mean Walch-Duplay score was 83.6/100 (activity=18.5; stability=15.9; pain=23.9; mobility=24.2). The Duplay score was 100 for 48% of the reoperated patients; 41% had persistent apprehension. Three patients (11%) developed recurrent dislocation at a mean 23 months (19–29). Among the 53 patients included in the study, 26% had moderate osteoarthritic lesions (Samilson 1 or 2). The reoperated patients were free of such lesions. Hyperlaxity, age, and sport practiced did not have any impact on surgical revision.

Discussion: In this overall series of 53 patients, 20 (37%) retained an unstable shoulder. Among them, 17 had declined new surgery. Eleven percent of the reoperated patients developed subsequent recurrence. This rate is higher than after first-intention blocks. Published series of arthroscopic revisions reported a higher recurrence rate (Kim, Arthroscopy 2002: 21 % recurrence; Neri, JSES 2007: 27 % recurrence).

Conclusion: The Latarjet block is the treatment of choice after failure of arthroscopic stabilisation, despite a high recurrence rate.


Orthopaedic Proceedings
Vol. 91-B, Issue SUPP_I | Pages 100 - 100
1 Mar 2009
Migaud H Girard J Trichard T Remy F Soenen M Bachour F Duquennoy A
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Purpose of the study: Theoretically, long-term functional and radiographic degradation is predictable after ankle fusion, but sound evidence from consecutive analysis of the same cohort is lacking. The purpose of this study was to evaluate the same cohort of patients who underwent ankle fusion.

Material and Methods: The cohort included 52 ankle fusions which had been analyzed in 1984 at seven years (2–22 years) of follow-up then again in 2000 using the same evaluation criteria. Among the 52 patients, six were lost to follow-up, 20 had died and one had undergone leg amputation. The second analysis thus included 25 patients (18 men and 7 women), mean age 62±12.6 years (40–94) at the 2000 assessment performed 23±4.5 years (19–36 years) after the fusion. Functional outcome was assessed with the 100-point Duquennoy scale. Osteoarthritis of the subtalar and mediotarsal joints were assessed preoperatively and at follow-up using the same scale.

Results: The functional outcome did not deteriorate significantly between 1984 and 2000. The mean score was 65.8±22.6 (19–92) in 1984 and 64.7±18.3 (34–90) in 2000 (p=0.67). Fifteen patients (60%) had a good or very good outcome at seven years, and 14 (56%) at 23 years. Between 1984 and 2000, ten patients improved their score (on average 10.4 points, range 1–21 points), two had an unchanged score and thirteen a lower score (on average 10 points, range −1 to −24). Ten of these thirteen patients developed severe intercurrent conditions explaining the degradation. At last follow-up, sixteen ankles were pain free or nearly pain free. Twelve patients considered their ankle as a forgotten problem and had no regrets concerning the operation. The evolution of the subtalar joint in 16 cases (nine fusions including five at the same time as the ankle fusion and four performed within four years) showed that all developed early osteoarthrtic degradation with aggravation between 1984 and 2000, leading in the majority of cases to severe degenerative disease. This osteoarthritis was painful in less than one-third of the cases (including the four secondary subtalar fusions and the four sub-talar fusions which were painful at mobilization). The mediotarsal joints degradation was later and less severe than for the subtalar joint with a majority of moderate osteoarthritis. Ten ankles exhibited compensatory hypermobility of the forefoot measured at more than 15° without pain.

Discussion: This long-term follow-up with two successive assessments using the same evaluation criteria did not demonstrated late degradation of function expected after ankle fusion. It did show however the presence of radiographic degradation of the subtalar joint but with little clinical expression at a minimal follow-up of 19 years. There was no need for complementary fusion between 4 and 23 years follow-up.