Bone fragment union and remodeling after arthroscopic bony bankart repair for traumatic anterior shoulder instability with a glenoid defect: influence on postoperative recurrence of instability

The American Journal of Sports Medicine
Shigeto NakagawaKenji Hayashida

Abstract

Although good clinical outcomes have been reported after arthroscopic bony Bankart repair, the extent of bone union is still unclear. To investigate bone union after arthroscopic bony Bankart repair and its influence on postoperative recurrence of instability. Cohort study; Level of evidence, 3. Among 113 consecutive shoulders that underwent arthroscopic bony Bankart repair, postoperative evaluation of bone union by computed tomography (CT) was performed at various times in 81 shoulders. Bone union was investigated during 3 periods: 3 to 6 months postoperatively (first period), 7 to 12 months postoperatively (second period), and 13 months or more postoperatively (third period). The influence of the size of the preoperative glenoid defect and the size of the bone fragment on bone union was investigated, as well as the influence of bone union on postoperative recurrence of instability. In shoulders with bone union, bone fragment remodeling and changes in the glenoid defect size were also investigated. The bone union rate was 30.5% in the first period, 55.3% in the second period, and 84.6% in the third period. Among 53 shoulders with CT evaluation in the second period or later and follow-up for a minimum of 1 year, there was compl...Continue Reading

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Citations

Sep 1, 2015·The American Journal of Sports Medicine·Shigeto NakagawaTatsuo Mae
Jul 22, 2017·The American Journal of Sports Medicine·Shigeto NakagawaTatsuo Mae
Sep 30, 2017·Orthopaedic Journal of Sports Medicine·Shigeto NakagawaMiki Kuroda
Nov 2, 2019·Knee Surgery, Sports Traumatology, Arthroscopy : Official Journal of the ESSKA·Norishige IizawaShinro Takai
Nov 30, 2018·The American Journal of Sports Medicine·Jonathan A GodinPeter J Millett
Jul 27, 2018·Orthopaedic Journal of Sports Medicine·Shigeto NakagawaMinoru Yoneda
Sep 22, 2017·EFORT Open Reviews·E Itoi
Jul 30, 2020·Journal of Shoulder and Elbow Surgery·Brian C LauJonathan C Riboh
Nov 7, 2020·Sports Medicine and Arthroscopy Review·Philip-C NoltePeter J Millett
Nov 7, 2020·Sports Medicine and Arthroscopy Review·Sara Sparavalo, Ivan Wong
May 27, 2021·Orthopaedic Journal of Sports Medicine·Shigeto NakagawaTatsuo Mae
Aug 15, 2021·Arthroscopy : the Journal of Arthroscopic & Related Surgery : Official Publication of the Arthroscopy Association of North America and the International Arthroscopy Association·Shigeto NakagawaTatsuo Mae

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