TY - JOUR
T1 - Primary patellar dislocations without surgical stabilization or recurrence
T2 - how well are these patients really doing?
AU - Magnussen, Robert A.
AU - Verlage, Megan
AU - Stock, Elizabeth
AU - Zurek, Lauren
AU - Flanigan, David C.
AU - Tompkins, Marc
AU - Agel, Julie
AU - Arendt, Elizabeth A.
N1 - Publisher Copyright:
© 2015, European Society of Sports Traumatology, Knee Surgery, Arthroscopy (ESSKA).
PY - 2017/8/1
Y1 - 2017/8/1
N2 - Purpose: While a significant research has gone into identifying patients at highest risk of recurrence following primary patellar dislocation, there has been little work exploring the outcomes of patients who do not have a recurrent patellar dislocation. We hypothesize that patients without recurrent dislocation episodes will exhibit significantly higher KOOSs than those who suffer recurrent dislocations, but lower scores than published age-matched normative data. Methods: A retrospective review of patients with nonoperatively treated primary lateral patellar dislocations was carried out, and patients were contacted at a mean of 3.4 years (range 1.3–5.5 years) post-injury. Information regarding subsequent treatment and recurrent dislocations along with patient-reported outcome scores and activity level was collected. Results: One hundred and eleven patients (29.8 %) of 373 eligible patients agreed to study participation, seven of whom were excluded because they underwent subsequent patellar stabilization surgery on the index knee. Seventy-six patients (73.1 %) reported no further dislocation events, and the mean KOOS subscales at follow-up were: symptoms—80.2 ± 18.8, pain—81.8 ± 16.2, ADL—88.7 ± 15.9, sport/recreation—72.1 ± 24.4, and QOL—63.9 ± 23.8 at a mean follow-up of 3.3 years (range 1.3–5.5 years). No significant differences in any of the KOOS subscales were noted between these patients and the group that reported recurrent patellar dislocations. Only 26.4 % of the patients without further dislocations reported they were able to return to desired sport activities without limitations following their dislocation. Conclusion: Patients who do not report recurrent patellar dislocations following nonoperative treatment of primary patellar dislocations are in many cases limited by this injury 3 years following the initial dislocation event. Level of evidence: Retrospective cohort study, Level III.
AB - Purpose: While a significant research has gone into identifying patients at highest risk of recurrence following primary patellar dislocation, there has been little work exploring the outcomes of patients who do not have a recurrent patellar dislocation. We hypothesize that patients without recurrent dislocation episodes will exhibit significantly higher KOOSs than those who suffer recurrent dislocations, but lower scores than published age-matched normative data. Methods: A retrospective review of patients with nonoperatively treated primary lateral patellar dislocations was carried out, and patients were contacted at a mean of 3.4 years (range 1.3–5.5 years) post-injury. Information regarding subsequent treatment and recurrent dislocations along with patient-reported outcome scores and activity level was collected. Results: One hundred and eleven patients (29.8 %) of 373 eligible patients agreed to study participation, seven of whom were excluded because they underwent subsequent patellar stabilization surgery on the index knee. Seventy-six patients (73.1 %) reported no further dislocation events, and the mean KOOS subscales at follow-up were: symptoms—80.2 ± 18.8, pain—81.8 ± 16.2, ADL—88.7 ± 15.9, sport/recreation—72.1 ± 24.4, and QOL—63.9 ± 23.8 at a mean follow-up of 3.3 years (range 1.3–5.5 years). No significant differences in any of the KOOS subscales were noted between these patients and the group that reported recurrent patellar dislocations. Only 26.4 % of the patients without further dislocations reported they were able to return to desired sport activities without limitations following their dislocation. Conclusion: Patients who do not report recurrent patellar dislocations following nonoperative treatment of primary patellar dislocations are in many cases limited by this injury 3 years following the initial dislocation event. Level of evidence: Retrospective cohort study, Level III.
KW - Nonoperative
KW - Patellar instability
KW - Patient-reported outcomes
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U2 - 10.1007/s00167-015-3716-3
DO - 10.1007/s00167-015-3716-3
M3 - Article
C2 - 26215775
AN - SCOPUS:84937925781
SN - 0942-2056
VL - 25
SP - 2352
EP - 2356
JO - Knee Surgery, Sports Traumatology, Arthroscopy
JF - Knee Surgery, Sports Traumatology, Arthroscopy
IS - 8
ER -