Case Report Open Access
Copyright ©The Author(s) 2021. Published by Baishideng Publishing Group Inc. All rights reserved.
World J Clin Cases. Sep 6, 2021; 9(25): 7558-7563
Published online Sep 6, 2021. doi: 10.12998/wjcc.v9.i25.7558
Treatment of lower part of glenoid fractures through a novel axillary approach: A case report
Xing Jia, Fu-Lin Zhou, Yu-Hua Zhu, Dan-Jie Jin, Wei-Xi Liu, Zhi-Cheng Yang, Rui-Ping Liu, Department of Orthopaedics, The Affiliated Changzhou No. 2 People’s Hospital of Nanjing Medical University, Changzhou 213000, Jiangsu Province, China
Xing Jia, The Graduate School of Dalian Medical University, Dalian Medical University, Dalian 116044, Liaoning Province, China
ORCID number: Xing Jia (0000-0003-3590-386X); Fu-Lin Zhou (0000-0002-8757-7624); Yu-Hua Zhu (0000-0002-8646-7546); Dan-Jie Jin (0000-0003-3364-5668); Wei-Xi Liu (0000-0002-1913-6405); Zhi-Cheng Yang (0000-0001-6298-4461); Rui-Ping Liu (0000-0002-1422-0659).
Author contributions: Jia X, Zhou FL, Zhu YH, Jin DJ, and Liu RP were clinicians involved in the diagnosis, management, treatment and follow-up of patient; Jia X and Zhou FL reviewed the literature and contributed to the drafting of the manuscript; Yang ZC and Liu RP assisted in reviewing the literature and drafting the manuscript; Jia X, Zhou FL and Liu RP analyzed and explained the imaging results; Liu WX helped us to draw a sketch to vividly describe the operation technique; Liu RP was responsible for design and revision of the relevant knowledge content of the manuscript; all authors approved the final version of the paper before submission.
Informed consent statement: The patient provided informed written consent prior to study enrollment.
Conflict-of-interest statement: The authors declare that they have no conflicts of interest.
CARE Checklist (2016) statement: The authors have read the CARE Checklist (2016), and the manuscript was prepared and revised according to the CARE Checklist (2016).
Open-Access: This article is an open-access article that was selected by an in-house editor and fully peer-reviewed by external reviewers. It is distributed in accordance with the Creative Commons Attribution NonCommercial (CC BY-NC 4.0) license, which permits others to distribute, remix, adapt, build upon this work non-commercially, and license their derivative works on different terms, provided the original work is properly cited and the use is non-commercial. See: http://creativecommons.org/Licenses/by-nc/4.0/
Corresponding author: Rui-Ping Liu, MD, Chief Physician, Department of Orthopedics, The Affiliated Changzhou No. 2 People’s Hospital of Nanjing Medical University, No. 68 Gehu Middle Road, Changzhou 213000, Jiangsu Province, China. liuruiping216@yahoo.com
Received: March 2, 2021
Peer-review started: March 2, 2021
First decision: April 29, 2021
Revised: May 9, 2021
Accepted: July 2, 2021
Article in press: July 2, 2021
Published online: September 6, 2021
Processing time: 181 Days and 11.7 Hours

Abstract
BACKGROUND

Based on the location and size of the fracture block, open reduction and internal fixation can be employed or assisted for shoulder arthroscopy in the treatment of glenoid fractures. However, the treatment of lower part of glenoid fractures through a novel axillary approach has not been reported so far.

CASE SUMMARY

A 22-year-old right-handed man was transferred to our outpatient clinic because of right shoulder injury during a traffic accident. X-ray examination after admission suggested the fracture of the lower part of the right glenoid and an ipiselial proximal humeral fracture. Three-dimensional (3D) computed tomography (CT) further suggested that the size of the fracture block of the lower part of the right glenoid was 3.4 mm × 16.2 mm. The patient was diagnosed as the fracture of the lower part of the glenoid, also known as bony Bankart lesion without shoulder dislocation. After general anesthesia, the patient was surgically treated with the open reduction internal fixation through a novel axillary approach. 3D CT and shoulder joint function were reexamined at 12 mo of follow-up, showing acceptable recovery.

CONCLUSION

This case report describes a novel axillary approach adopted in an open reduction with cannulated screw and wire anchor internal fixation. After a follow-up for more than 12 mo, 3D CT and shoulder joint function examinations display a good recovery.

Key Words: Glenoid fracture; Approach; Operative technique; Case report

Core Tip: Based on the location and size of the fracture block, open reduction and internal fixation can be employed or assisted for shoulder arthroscopy in the treatment of glenoid fractures. However, the treatment of lower part of glenoid fractures through a novel axillary approach has not been reported so far. This study reports a case with lower part of glenoid fracture and treated with open reduction with cannulated screw and wire anchor internal fixation through a novel axillary approach. After a follow-up for more than 12 mo, reexaminations of three-dimensional computed tomography and shoulder joint function display a good recovery.



INTRODUCTION

Generally speaking, scapular fractures are often caused by high-energy trauma in traffic accidents[1]. Intra-articular fractures account for 1% of scapular fractures[2]. Glenoid fractures take up nearly 0.1% of total body fractures and 10% of scapular fractures[3]. The treatment of glenoid fracture depends on the size and displacement of the fracture fragments, including non-surgical treatment, open surgery, or open surgery with arthroscopy[4]. Schofer et al[5] suggested that the functional effects are significant after the conservative treatment of scapular fractures. However, Rollo et al[6] considered that non-surgical treatment of scapular fractures may cause pain, vascular problems, delayed union, malunion, persistent shoulder symptoms, or loss of arm function. Most of the Bankart lesions in the anterior and posterior glenoid fractures and superior labrum anterior and posterior lesions to the glenoid can be treated by surgery under arthroscopy[7-9]. However, the lower part of the glenoid fractures, especially large fracture masses, are difficult to be surgically treated with arthroscopic reduction and fixation, and open reduction internal fixation (ORIF) is recognized as a better choice for these specific cases[1,8]. It is generally known that the axillary has a relatively complex anatomical structure, and there are considerably important blood vessels and nerves passing through the axillary.

Accordingly, a novel axillary approach should be adopted during surgical treatment of the lower part of glenoid fractures, which can prevent the damage to the axillary vessels and nerves as much as possible, but clearly expose the fracture area of the subaxillary glenoid. Thus, a novel axillary approach from the muscle space was designed to make sure that the lower part of the glenoid fractures could be successfully reduced and fixed.

CASE PRESENTATION
Chief complaints

A 22-year-old right-handed man suffered from right shoulder pain for 24 h because of the traffic accident.

History of present illness

The patient had right shoulder pain with limited movement, and could not raise the right arm. No abnormal sensation in the right upper limb was examined.

History of past illness

The patient denied the history of right shoulder disease and operation.

Physical examination

Physical examinations showed right shoulder tenderness, limited movement of the right shoulder, no numbness, limited finger movement, and vascular injury.

Laboratory examinations

The results of preoperative laboratory examinations were normal.

Imaging examinations

X-ray examination after admission suggested the lower part of the right glenoid fracture with an ipiselial proximal humeral fracture (Figure 1A). Three-dimensional (3D) computed tomography (CT) further suggested that the size of the fracture block was 3.4 mm × 16.2 mm (Figure 1B).

Figure 1
Figure 1 Preoperative and postoperative radiography images of the patient. A: Preoperative X-ray; B: Preoperative three-dimensional (3D) reconstruction; C: X-ray image at 1 wk postoperatively; D: 3D reconstruction at 1 wk postoperatively; E: X-ray image at 12 mo postoperatively; F: 3D reconstruction at 12 mo postoperatively.
FINAL DIAGNOSIS

According to the history and preoperative imaging examination, the patient was finally diagnosis as the lower part of the right glenoid fracture with an ipiselial proximal humeral fracture.

TREATMENT

On day 5 after the injury, the patient was surgically treated by ORIF through a novel axillary approach following general anesthesia. The patient was placed on a fluoroscopic operating table in a lateral position. A longitudinal incision was made in the armpit, followed by exposure of the anterior edge of the latissimus dorsi by separating subcutaneous tissues (Figure 2A and B). The axillary nerve under the latissimus dorsi was exposed and separated, which was traversed from the medial side of the armpit to the lateral side. Subsequently, the posterior brachial circumflex artery and vein, under the axillary nerve, were exposed. The blood vessels and nerves were protected by a tender traction. Next, the joint capsule of lower part of the glenoid was exposed between the gap of axillary nerve and circumflex blood vessel (Figure 2C and D). Moreover, the joint capsule was cut transversely to expose the fracture block, fracture end and articular surface of the glenoid. Anatomic reduction was achieved under a direct vision. After the fracture reduction, two 1.5 mm fine Kirschner wires were used for temporary fixation, and then the fracture block was fixed with one cannulated screw (3 mm in diameter, 18 mm in length), and then two 2.7 mm wire anchors were used to strengthen the fixation (Figure 2E). After removal of the glenohumeral joint under a direct vision, the fracture block was exposed and fixed stably. The gauze equipment was counted, and the wound was washed and sutured layer by layer.

Figure 2
Figure 2 Intraoperative photos and sketches. A: Surgical marker; B: A longitudinal incision was made in the armpit, followed by exposure of the anterior edge of the latissimus dorsi by separating subcutaneous tissues; C: The posterior brachial circumflex artery and vein, under the axillary nerve, were exposed. The blood vessels and nerves were protected by a tender traction; D: The fracture block was fixed with one cannulated screw and two wire anchors were used to strengthen the fixation; E: The sketches more vividly describes the whole operation process.

Another anteromedial approach of the shoulder joint under the same body position was adopted for surgical treatment of the ipsilateral proximal humeral fracture. After open reduction, the proximal humeral locking plate was used for fixation.

OUTCOME AND FOLLOW-UP

The patient’s forearm was suspended for 3 wk postoperatively. Postoperative exercises of the elbow, wrist and hand were encouraged during the first 3 wk. A passive range of motion exercises were initiated at the third wk. At the sixth wk, patients were instructed to start active auxiliary exercises. During the follow-up period for more than 12 mo, imaging (including facture of subaxillary glenoid and ipsilateral proximal humeral) (Figure 1) and functional examinations were conducted (Table 1).

Table 1 Demographic data and results of following.
Case number
Sex
Age (yr)
Mechanism of Injury
Ideberg fracture classification
Follow-up time (mo)
Postoperative constant score
Postoperative bone healing
1Male22Traffic accidentType II1295Bony union
DISCUSSION

Ideberg classification of scapular fractures is the most common classification of intra-articular glenoid fractures. The classification system is modified by Goss, involving 6 types of fractures[10]. Among them, type II fractures are those of the lower part of the glenoid, which induce the instability and dislocation of the shoulder joint[11]. If surgical treatment is required, reduction and wire anchor fixation for small fractures can be performed under the shoulder arthroscopy. However, arthroscopic reduction and fixation are difficult to be performed in cases with large fracture masses or those with the scapular neck involved. van Oostveen et al[12] believed that appropriate surgical methods according to different types of fractures can achieve satisfactory results.

In this study, a novel axillary approach in the lateral decubitus position was designed. It is generally known that the axillary has a relatively complex anatomical structure, and there are considerable important blood vessels and nerves passing through the axillary. Vascular and nerve damage can be easily caused because of the complicated anatomical structure. The axillary approach proposed in this study was a novel approach initiated from the anterior edge of the latissimus dorsi and passed through the space between the axillary nerve and the circumflex scapular vessel (Figure 2). This approach can avoid the main blood vessels and nerves in the armpit, which also directly enters to the subscapular fracture area. Moreover, the proposed approach had multiple advantages like an easy exposure of the operation area, a direct access to the surgical site, achievement of fracture reduction and fixation under a direct vision, and prevention of the axillary nerve and vessel damages.

In the present study, the Constant score of shoulder joint reached 95 in the patient with inferior rim fractures of the glenoid after surgical treatment, which was better than the average Constant score of 82 reported by Bartoníček et al[13].

Shoulder arthroscopy has great advantages in the treatment of Bankart lesions[14,15]. Generally speaking, surgery is preferred to displaced glenoid fossa fractures[16]. However, when the shoulder arthroscopy fails to reduce and fix scapular glenoid fractures with other parts of the scapula, ORIF is a good choice[17,18]. Besides, ORIF is also suitable for fractures of the lower part of glenoid. Thus, the axillary approach was developed here. Besides the reduction and internal fixation of fresh fractures, the novel axillary approach was also proven to be a very good choice for patients with bone lesions, cysts, old fracture nonunion and subluxation of shoulder joint around the lower part of glenoid.

CONCLUSION

This case report describes a novel axillary approach adopted in the open reduction with cannulated screw and wire anchor internal fixation. The patient was surgically treated by ORIF through the novel axillary approach following general anesthesia. After a follow-up for more than 12 mo, 3D CT and shoulder joint function reexaminations showed a good recovery.

Footnotes

Manuscript source: Unsolicited manuscript

Specialty type: Medicine, research and experimental

Country/Territory of origin: China

Peer-review report’s scientific quality classification

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P-Reviewer: Anand P S-Editor: Fan JR L-Editor: Filipodia P-Editor: Li JH

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