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Glenoid osteotomy for atraumatic posteroinferior shoulder instability associated with glenoid dysplasia.

Abstract Aims We report the clinical results of glenoid osteotomy in patients with atraumatic posteroinferior instability associated with glenoid dysplasia. Patients and Methods The study reports results in 211 patients (249 shoulders) with atraumatic posteroinferior instability. The patients comprised 63 men and 148 women with a mean age of 20 years. The posteroinferior glenoid surface was elevated by osteotomy at the scapular neck. A body spica was applied to maintain the arm perpendicular to the glenoid for two weeks postoperatively. Clinical results were evaluated using the Rowe score and Japan Shoulder Society Shoulder Instability Score (JSS-SIS); bone union, osteoarthrosis, and articular congruity were examined on plain radiographs. Results The Rowe score improved from 36 to 88 points, and the JSS-SIS improved from 47 to 81 points. All shoulders exhibited union without progression of osteoarthritis except one shoulder, which showed osteoarthritic change due to a previous surgery before the glenoid osteotomy. All but three shoulders showed improvement in joint congruency. Eight patients developed disordered scapulohumeral rhythm during arm elevation, and 12 patients required additional open stabilization for anterior instability. Conclusion Good results can be expected from glenoid osteotomy in patients with atraumatic posteroinferior instability associated with glenoid dysplasia. Cite this article: Bone Joint J 2018;100-B:331-7.
PMID
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Authors

Mayor MeshTerms
Keywords

Atraumatic instability

Glenoid osteotomy

Posteroinferior instability

Journal Title the bone & joint journal
Publication Year Start




PMID- 29589501
OWN - NLM
STAT- MEDLINE
DCOM- 20180402
LR  - 20180402
IS  - 2049-4408 (Electronic)
IS  - 2049-4394 (Linking)
VI  - 100-B
IP  - 3
DP  - 2018 Mar 1
TI  - Glenoid osteotomy for atraumatic posteroinferior shoulder instability associated 
      with glenoid dysplasia.
PG  - 331-337
LID - 10.1302/0301-620X.100B3.BJJ-2017-1039.R1 [doi]
AB  - Aims We report the clinical results of glenoid osteotomy in patients with
      atraumatic posteroinferior instability associated with glenoid dysplasia.
      Patients and Methods The study reports results in 211 patients (249 shoulders)
      with atraumatic posteroinferior instability. The patients comprised 63 men and
      148 women with a mean age of 20 years. The posteroinferior glenoid surface was
      elevated by osteotomy at the scapular neck. A body spica was applied to maintain 
      the arm perpendicular to the glenoid for two weeks postoperatively. Clinical
      results were evaluated using the Rowe score and Japan Shoulder Society Shoulder
      Instability Score (JSS-SIS); bone union, osteoarthrosis, and articular congruity 
      were examined on plain radiographs. Results The Rowe score improved from 36 to 88
      points, and the JSS-SIS improved from 47 to 81 points. All shoulders exhibited
      union without progression of osteoarthritis except one shoulder, which showed
      osteoarthritic change due to a previous surgery before the glenoid osteotomy. All
      but three shoulders showed improvement in joint congruency. Eight patients
      developed disordered scapulohumeral rhythm during arm elevation, and 12 patients 
      required additional open stabilization for anterior instability. Conclusion Good 
      results can be expected from glenoid osteotomy in patients with atraumatic
      posteroinferior instability associated with glenoid dysplasia. Cite this article:
      Bone Joint J 2018;100-B:331-7.
FAU - Inui, H
AU  - Inui H
AD  - Nobuhara Hospital and Institute of Biomechanics, 720 Haze Issaicho, Tatsunoshi,
      Hyogo, Japan.
FAU - Nobuhara, K
AU  - Nobuhara K
AD  - Nobuhara Hospital and Institute of Biomechanics, 720 Haze Issaicho, Tatsunoshi,
      Hyogo, Japan.
LA  - eng
PT  - Journal Article
PL  - England
TA  - Bone Joint J
JT  - The bone & joint journal
JID - 101599229
SB  - AIM
SB  - IM
MH  - Adolescent
MH  - Adult
MH  - Casts, Surgical
MH  - Female
MH  - Humans
MH  - Joint Instability/*pathology/*surgery
MH  - Male
MH  - Middle Aged
MH  - Osteotomy/*methods
MH  - Range of Motion, Articular
MH  - Shoulder Joint/*pathology/*surgery
MH  - Treatment Outcome
OTO - NOTNLM
OT  - Atraumatic instability
OT  - Glenoid osteotomy
OT  - Posteroinferior instability
EDAT- 2018/03/29 06:00
MHDA- 2018/04/03 06:00
CRDT- 2018/03/29 06:00
PHST- 2018/03/29 06:00 [entrez]
PHST- 2018/03/29 06:00 [pubmed]
PHST- 2018/04/03 06:00 [medline]
AID - 10.1302/0301-620X.100B3.BJJ-2017-1039.R1 [doi]
PST - ppublish
SO  - Bone Joint J. 2018 Mar 1;100-B(3):331-337. doi:
      10.1302/0301-620X.100B3.BJJ-2017-1039.R1.