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Ogawa K, Matsumura N, Yoshida A, Inokuchi W. Nonunion of the so-called acromion: a systematic review with consideration of the terminology. Arch Orthop Trauma Surg 2023; 143:5727-5740. [PMID: 37314525 PMCID: PMC10449677 DOI: 10.1007/s00402-023-04912-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/10/2023] [Accepted: 05/16/2023] [Indexed: 06/15/2023]
Abstract
INTRODUCTION There is no widely accepted standard for the classification and treatment of traumatic acromion/scapular spine fracture nonunion due to the scarcity of this condition and the confusion of terminology. MATERIALS AND METHODS PubMed and Scopus were searched using "scapular fracture" and "acromion fracture" or "scapular spine fracture" as search terms. The inclusion criteria were English full-text articles concerning acromion/scapular spine fracture nonunion that described patient characteristics and presented appropriate images. The exclusion criteria were cases without appropriate images. Citation tracking was conducted to find additional articles and notable full-text articles written in other languages. Fractures were classified using our newly proposed classification system. RESULTS Twenty-nine patients (19 men, 10 women) with 29 nonunions were identified. There were four type I, 15 type II, and 10 type III fracture nonunions. Only 11 fractures were isolated. The mean period from initial injury to final diagnosis was 35.2 ± 73.2 months (range 3-360 months) (n = 25). The most frequent cause of delayed diagnosis was conservative treatment for fracture in 11 patients, followed by oversight by the physician in 8. The most common reason for seeking medical advice was shoulder pain. Six patients received conservative therapy, and 23 received operative treatment. Fixation materials included various plates in 15 patients, and tension band wiring in 5. Bone grafting was performed in 16 patients (73%, 16/22). Of the 19 surgically treated patients with adequate follow-up, the outcome was rated excellent in 79%. CONCLUSIONS Isolated acromion/scapular spine fracture nonunion is rare. Fracture type II and III, arising in the anatomical scapular spine, accounted for 86% of the fractures. Computed tomography is required to prevent fracture oversight. Surgical therapy produces good stable results. However, it is important to select the appropriate surgical fixation method and material after considering the anatomical characteristics of the fracture and stress on the fractured portion. LEVEL OF EVIDENCE V.
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Affiliation(s)
- Kiyohisa Ogawa
- Department of Orthopedic Surgery, Eiju General Hospital, 2-23-16 Higashi-Ueno, Taito-ku, Tokyo, 110-8645, Japan.
- Department of Orthopedic Surgery, Eiju General Hospital, 2-23-16 Higashi-Ueno, Taito-ku, Tokyo, 110-8645, Japan.
| | - Noboru Matsumura
- Department of Orthopedic Surgery, School of Medicine, Keio University, 35 Shinanomachi, Shinjuku-ku, Tokyo, 160-8582, Japan
| | - Atsushi Yoshida
- Department of Orthopedic Surgery, National Hospital Organization Saitama Hospital, 2-1 Suwa, Wako City, Saitama, 351-0102, Japan
| | - Wataru Inokuchi
- Department of Orthopedic Surgery, Eiju General Hospital, 2-23-16 Higashi-Ueno, Taito-ku, Tokyo, 110-8645, Japan
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Edgington J, Antonacci CL, Alberta FG. Nonoperative management of a displaced cartilaginous avulsion fracture of the inferior aspect of the scapula. JSES Int 2020; 4:280-286. [PMID: 32490414 PMCID: PMC7256800 DOI: 10.1016/j.jseint.2019.12.004] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/31/2022] Open
Affiliation(s)
- Jose Edgington
- Department of Orthopaedic Surgery, Hackensack Meridian School of Medicine at Seton Hall University, Nutley, NJ, USA
| | | | - Francis G Alberta
- Department of Orthopaedic Surgery, Hackensack Meridian School of Medicine at Seton Hall University, Nutley, NJ, USA.,Rothman Orthopaedic Institute, Philadelphia, PA, USA.,Hackensack University Medical Center, Hackensack, NJ, USA
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Overlooked Fracture of the Inferior Scapular Angle Treated Conservatively. Case Rep Orthop 2019; 2019:9640301. [PMID: 30775042 PMCID: PMC6350603 DOI: 10.1155/2019/9640301] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/12/2018] [Revised: 12/08/2018] [Accepted: 12/26/2018] [Indexed: 11/17/2022] Open
Abstract
Isolated fracture of the inferior scapular angle is extremely rare. We present the case of a 20-year-old female with persistent periscapular pain and a winged scapula caused by delayed union of an inferior scapular angle (ISA) fracture. Ten months previously, the patient had a car accident while seated in the left rear passenger seat. The patient visited an orthopedic clinic where a surgeon diagnosed left shoulder contusion without any abnormal radiographic findings. The left arm was kept in a sling for 2 months, as left arm elevation caused severe pain in the upper back. After sling removal, the dull pain around the left scapula continued. The patient presented at our clinic because her mother had noticed the deformity of her back. Radiographs showed a small bony fragment in the ventral side of the ISA. Computed tomography revealed a narrow gap between the ISA and the fragment. The patient's symptoms resolved with conservative treatment that consisted of relative rest for 2 months and subsequent reinforcement exercises of the serratus anterior for 2 months.
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Rowbotham SK, Blau S, Hislop-Jambrich J. The skeletal trauma resulting from a fatal B.A.S.E jump: A case study showing the impact of landing feet-first under extreme vertical deceleration. Forensic Sci Int 2018. [PMID: 29530624 DOI: 10.1016/j.forsciint.2018.02.020] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
The term 'B.A.S.E jump' refers to jumping from a building, antenna, span (i.e., bridge) or earth (i.e., cliff) structure, and parachuting to the ground. There are numerous hazards associated with B.A.S.E jumps which often result in injury and, occasionally, fatality. This case report details the skeletal trauma resulting from a fatal B.A.S.E jump in Australia. In this case, the jumper impacted the ground from a fall of 439m in a feet-first landing position, as a result of a partially deployed parachute, under extreme vertical deceleration. Skeletal trauma was analyzed using full-body post mortem computed tomography (PMCT) and contextual information related to the circumstances of the jump as reported by the Coroner. Trauma to 61 skeletal elements indicates the primary impact was to the feet (i.e., feet-first landing), followed by an anterior impact to the body (i.e., fall forwards). Details of the individual fracture morphologies indicate the various forces and biomechanics involved in this fall event. This case presents the types of fractures that result from a B.A.S.E jump, and highlights the value of using PMCT and coronial data as tools to augment skeletal trauma interpretations.
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Affiliation(s)
- Samantha K Rowbotham
- Department of Forensic Medicine, Monash University, 65 Kavanagh St., Southbank, Victoria 3006, Australia.
| | - Soren Blau
- Victorian Institute of Forensic Medicine, 65 Kavanagh St., Southbank, Victoria 3006, Australia; Department of Forensic Medicine, Monash University, 65 Kavanagh St., Southbank, Victoria 3006, Australia
| | - Jacqueline Hislop-Jambrich
- Centre for Medical Research, Toshiba Medical ANZ, 12-24 Talavera Rd., North Ryde, New South Wales 2113, Australia
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Park KJ, Kim YM, Kim DS, Choi ES, Shon HC, Jeong JJ. Avulsion fracture of the acromial physis in a 14-year-old boy: a case report. Arch Orthop Trauma Surg 2015; 135:223-225. [PMID: 25501273 DOI: 10.1007/s00402-014-2132-3] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/05/2014] [Indexed: 11/30/2022]
Abstract
Scapular fractures are uncommon and among them acromial fractures are even more uncommon. Because the vast majority of acromial fractures are either non-displaced or minimally displaced, symptomatic and nonoperative management was performed. We describe a case of avulsion fracture of the acromial physis displaced by acromioclavicular ligament treated with open reduction and internal fixation, and include a review of the literature.
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Affiliation(s)
- Kyoung-Jin Park
- Department of Orthopaedic Surgery, College of Medicine, Chungbuk National University, Cheongju, Korea
| | - Yong-Min Kim
- Department of Orthopaedic Surgery, College of Medicine, Chungbuk National University, Cheongju, Korea
| | - Dong-Soo Kim
- Department of Orthopaedic Surgery, College of Medicine, Chungbuk National University, Cheongju, Korea
| | - Eui-Sung Choi
- Department of Orthopaedic Surgery, College of Medicine, Chungbuk National University, Cheongju, Korea
| | - Hyun-Chul Shon
- Department of Orthopaedic Surgery, College of Medicine, Chungbuk National University, Cheongju, Korea
| | - Jae-Jung Jeong
- Department of Orthopaedic Surgery, Daejeon St. Mary's Hospital, The Catholic University of Korea, 520-2, Daeheung-dong, Jung-gu, Daejeon, 301-723, Korea.
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Dienstknecht T, Horst K, Pishnamaz M, Sellei RM, Kobbe P, Berner A. A meta-analysis of operative versus nonoperative treatment in 463 scapular neck fractures. Scand J Surg 2014; 102:69-76. [PMID: 23820679 DOI: 10.1177/1457496913482251] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
BACKGROUND AND AIMS Treatment of scapular neck fractures remains controversial. Advantages of surgical treatments, such as anatomical restoration of fracture displacement, are counterbalanced by approach morbidity. We conducted a meta-analysis of 463 scapular neck fractures and compared clinical, functional, and radiographical outcomes in operatively and nonoperatively treated scapular neck fractures. MATERIAL AND METHODS A literature search was conducted, including the databases PubMed/MEDLINE, Embase, and the Cochrane Database of Systematic Reviews. Manuscripts were included if they reported a precise description of treatment, complications, functional outcomes, and/or radiographic evaluation. Data about day-to-day activities, level of pain-freeness, range of motion, functional grading, and radiographical assessment were pooled and compared using fixed effects models. RESULTS AND CONCLUSIONS A total of 22 manuscripts were relevant, including 1 prospective cohort study and 21 retrospective studies. The studies showed a high heterogeneity in the result assessment. Most patients had concomitant injuries. In total, 234 out of the 463 fractures were treated operatively. Pain-freeness and radiographic outcome measurements were significantly better in the operatively treated group, whereas range of motion was significantly improved in the nonoperative treated patients. Complication rate for surgical treatment was about 10%. From the achievable data, there was no bias detected when comparing the two treatment groups. However, those data could not be analyzed for all included studies. For the same reason, the role of additional surgical treatment for concomitant injuries to the shoulder girdle could not be cleared completely. Caution should be exercised, and individual injury patterns have to be taken into consideration when considering the best treatment options.
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Affiliation(s)
- T Dienstknecht
- Department of Orthopaedic Trauma, University of Aachen Medical Center, Aachen, Germany
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Abstract
Two percent of scapular fractures occur as a result of indirect trauma caused by traction of the muscles and ligaments attached to the scapula. We present two cases involving adults with incomplete avulsion fractures of the scapular spine caused by violent voluntary contraction of the deltoid muscle. These cases are the first reported avulsion fractures confined to the scapular spine medial to the spinoglenoid notch. Although the fractures were incomplete, one patient had a typical symptom of scapular fracture - pseudo-rupture of the rotator cuff characterized by clinical signs of a complete rupture of the musculotendinous cuff. Although this symptom is generally thought to be caused by massive hemorrhaging under the rotator-cuff muscle bellies, it may develop from modest bleeding through the formation of an intramuscular hematoma and a resultant elevation in intramuscular pressure. Confirming the presence of tenderness on the scapular spine and performing appropriate imaging investigation constitute a clinically effective method for preventing misdiagnosis.
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Vochteloo AJ, Henket M, Vincken PW, Nagels J. Bony avulsion of the supraspinatus origin from the scapular spine. J Orthop Traumatol 2011; 13:51-3. [PMID: 22134393 PMCID: PMC3284657 DOI: 10.1007/s10195-011-0173-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/06/2011] [Accepted: 11/15/2011] [Indexed: 11/26/2022] Open
Abstract
We describe a case of an avulsion of the scapular spine at the origin of the supraspinatus muscle, with successful conservative treatment. An isolated avulsion is rare, as most avulsions occur in combination with other (more severe) injuries such as fractures of the scapula body or neck, coracoid process, glenoid or humerus. These injuries are mostly seen in high-energy trauma cases and need their own specific treatment. One should therefore always rule out concurrent trauma before treating conservatively.
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Affiliation(s)
- Anne J Vochteloo
- Department of Orthopaedics, Leiden University Medical Centre, PO box 9600, 2300 RC Leiden, The Netherlands.
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Anavian J, Wijdicks CA, Schroder LK, Vang S, Cole PA. Surgery for scapula process fractures: good outcome in 26 patients. Acta Orthop 2009; 80:344-50. [PMID: 19857183 PMCID: PMC2823212 DOI: 10.3109/17453670903025394] [Citation(s) in RCA: 63] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/31/2023] Open
Abstract
BACKGROUND Generally, scapula process fractures (coracoid and acromion) have been treated nonoperatively with favorable outcome, with the exception of widely displaced fractures. Very little has been published, however, regarding the operative management of such fractures and the literature that is available involves very few patients. Our hypothesis was that operative treatment of displaced acromion and coracoid fractures is a safe and effective treatment that yields favorable surgical results. METHODS We reviewed 26 consecutive patients (27 fractures) treated between 1998 and 2007. Operative indications for these process fractures included either a painful nonunion, a concomitant ipsilateral operative scapula fracture, > or = 1 cm of displacement on X-ray, or a multiple disruption of the superior shoulder suspensory complex. All patients were followed until they were asymptomatic, displayed radiographic fracture union, and had recovered full motion with no pain. PATIENTS AND RESULTS 21 males and 5 females, mean age 36 (18-67) years, were included in the study. 18 patients had more than one indication for surgery. Of the 27 fractures, there were 13 acromion fractures and 14 coracoid fractures. 1 patient was treated for both a coracoid and an acromion fracture. Fracture patterns for the acromion included 6 acromion base fractures and 7 fractures distal to the base. Coracoid fracture patterns included 11 coracoid base fractures and 3 fractures distal to the base. Mean follow-up was 11 (2-42) months. All fractures united and all patients had recovered full motion with no pain at the time of final follow-up. 3 patients underwent removal of hardware due to irritation from hardware components that were too prominent. There were no other complications. INTERPRETATION While most acromion and coracoid fractures can be treated nonoperatively with satisfactory results, operative management may be indicated for displaced fractures and double lesions of the superior shoulder suspensory complex.
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Affiliation(s)
- Jack Anavian
- Department of Orthopaedic Surgery, University of Minnesota, Minneapolis, USA
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Zlowodzki M, Bhandari M, Zelle BA, Kregor PJ, Cole PA. Treatment of scapula fractures: systematic review of 520 fractures in 22 case series. J Orthop Trauma 2006; 20:230-3. [PMID: 16648708 DOI: 10.1097/00005131-200603000-00013] [Citation(s) in RCA: 82] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/02/2023]
Abstract
BACKGROUND Fractures of the scapula account for 3% to 5% of all fractures of the shoulder girdle and make up less than 1% of all broken bones. Scapula fractures typically occur after high-energy trauma, and approximately 90% of the patients have associated injuries. OBJECTIVE (1) To determine the incidences of nonoperative and operative treatment of different scapula fracture types, (2) to systematically stratify the reported results of nonoperatively and operatively treated scapula fractures on the basis of different fracture types and to summarize functional results, and (3) to quantify infection and secondary surgical procedure rates after operative treatment.
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Abstract
We studied 37 fractures lateral to the spinoglenoidal notch to evaluate the validity of collectively handling these fractures as an acromion fracture and to ascertain the mechanism of injury. We divided them into three groups according to the location of the fracture line. Fracture of the anatomic acromion or the extremely lateral scapular spine (groups I and II, 28 fractures) was frequently associated with fracture of the coracoid base, acromioclavicular joint injury, or both. The mechanism of injury in most cases was presumed to be indirect force brought to bear on the shoulder from the lateral direction. Fracture descending to the spinoglenoidal notch (group III, nine fractures) was seldom associated with other shoulder injuries, and surgery was rarely needed. The mechanism was assumed to be direct force brought to bear on the shoulder from the posterior direction. Therefore fractures of the anatomic acromion and the extremely lateral scapular spine may be managed collectively. However, fracture descending to the spinoglenoidal notch should be managed separately. We advocate that these fractures should be classified into two types in terms of clinical consideration: type I fractures, comprising those of the anatomic acromion and the extremely lateral scapular spine, and type II fractures, located in the more medial spine and descending to the spinoglenoidal notch.
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Affiliation(s)
- K Ogawa
- Department of Orthopedic Surgery, School of Medicine, Keio University, Tokyo, Japan
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