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Article Dans Une Revue JAMA Network Open Année : 2021

Effectiveness of an Annular Closure Device to Prevent Recurrent Lumbar Disc Herniation A Secondary Analysis With 5 Years of Follow-up

C. Thome
  • Fonction : Auteur
A. Kursumovic
  • Fonction : Auteur
P. D. Klassen
  • Fonction : Auteur
G. J. Bouma
  • Fonction : Auteur
R. Bostelmann
  • Fonction : Auteur
F. Martens
  • Fonction : Auteur
M. Barth
  • Fonction : Auteur
M. Arts
  • Fonction : Auteur
L. E. Miller
  • Fonction : Auteur
P. Vajkoczy
  • Fonction : Auteur
R. Hes
  • Fonction : Auteur
S. Eustacchio
  • Fonction : Auteur
D. Nanda
  • Fonction : Auteur
H. P. Kohler
  • Fonction : Auteur
C. Brenke
  • Fonction : Auteur
C. Fluh
  • Fonction : Auteur
E. van de Kelft
  • Fonction : Auteur
J. C. Kienzler
  • Fonction : Auteur
J. Fandino
  • Fonction : Auteur

Résumé

Importance Patients with large annular defects following lumbar microdiscectomy for disc herniation are at increased risk for symptomatic recurrence and reoperation. Objective To determine whether a bone-anchored annular closure device in addition to lumbar microdiscectomy resulted in lower reherniation and reoperation rates vs lumbar microdiscectomy alone. Design, Setting, and Participants This secondary analysis of a multicenter randomized clinical trial reports 5-year follow-up for enrolled patients between December 2010 and October 2014 at 21 clinical sites. Patients in this study had a large annular defect (6-10 mm width) following lumbar microdiscectomy for treatment of lumbar disc herniation. Statistical analysis was performed from November to December 2020. Interventions Lumbar microdiscectomy with additional bone-anchored annular closure device (device group) or lumbar microdiscectomy only (control group). Main Outcomes and Measures The incidence of symptomatic reherniation, reoperation, and adverse events as well as changes in leg pain, Oswestry Disability Index, and health-related quality of life when comparing the device and control groups over 5 years of follow-up. Results Among 554 randomized participants (mean [SD] age: 43 [11] years; 327 [59%] were men), 550 were included in the modified intent-to-treat efficacy population (device group: n = 272; 270 [99%] were White); control group: n = 278; 273 [98%] were White) and 550 were included in the as-treated safety population (device group: n = 267; control group: n = 283). The risk of symptomatic reherniation (18.8% [SE, 2.5%] vs 31.6% [SE, 2.9%]; P < .001) and reoperation (16.0% [SE, 2.3%] vs 22.6% [SE, 2.6%]; P = .03) was lower in the device group. There were 53 reoperations in 40 patients in the device group and 82 reoperations in 58 patients in the control group. Scores for leg pain severity, Oswestry Disability Index, and health-related quality of life significantly improved over 5 years of follow-up with no clinically relevant differences between groups. The frequency of serious adverse events was comparable between the treatment groups. Serious adverse events associated with the device or procedure were less frequent in the device group (12.0% vs 20.5%; difference, −8.5%; 95% CI, −14.6% to −2.3%; P = .008). Conclusions and Relevance In patients who are at high risk of recurrent herniation following lumbar microdiscectomy owing to a large defect in the annulus fibrosus, this study’s findings suggest that annular closure with a bone-anchored implant lowers the risk of symptomatic recurrence and reoperation over 5 years of follow-up.
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hal-04409325 , version 1 (22-01-2024)

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C. Thome, A. Kursumovic, P. D. Klassen, G. J. Bouma, R. Bostelmann, et al.. Effectiveness of an Annular Closure Device to Prevent Recurrent Lumbar Disc Herniation A Secondary Analysis With 5 Years of Follow-up. JAMA Network Open, 2021, JAMA Network Open, 4, ⟨10.1001/jamanetworkopen.2021.36809⟩. ⟨hal-04409325⟩

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