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Tsujisaka R, Matsumura N, Kamata Y, Morioka H, Kiyota Y, Suzuki T, Iwamoto T. Humeral rotational osteotomy for malunion after intramedullary nailing in humeral shaft fracture: a case report. JSES REVIEWS, REPORTS, AND TECHNIQUES 2024; 4:520-525. [PMID: 39157224 PMCID: PMC11329056 DOI: 10.1016/j.xrrt.2024.04.003] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Indexed: 08/20/2024]
Affiliation(s)
- Ryosuke Tsujisaka
- Department of Orthopedic Surgery, Keio University School of Medicine, Tokyo, Japan
- Department of Orthopedic Surgery, National Hospital Organization Tokyo Medical Center, Tokyo, Japan
| | - Noboru Matsumura
- Department of Orthopedic Surgery, Keio University School of Medicine, Tokyo, Japan
| | - Yusaku Kamata
- Department of Orthopedic Surgery, National Hospital Organization Tokyo Medical Center, Tokyo, Japan
| | - Hideo Morioka
- Department of Orthopedic Surgery, National Hospital Organization Tokyo Medical Center, Tokyo, Japan
| | - Yasuhiro Kiyota
- Department of Orthopedic Surgery, Keio University School of Medicine, Tokyo, Japan
| | - Taku Suzuki
- Department of Orthopedic Surgery, Keio University School of Medicine, Tokyo, Japan
| | - Takuji Iwamoto
- Department of Orthopedic Surgery, Keio University School of Medicine, Tokyo, Japan
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Nath RK, Somasundaram C. Comparing the Results of External Rotational Humeral Osteotomy in Older Children to the Mod Quad and Triangle Tilt Procedures in Adults with Obstetric Brachial Plexus Injury. EPLASTY 2022; 22:e2. [PMID: 35651582 PMCID: PMC9128834] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Indexed: 06/15/2023]
Abstract
BACKGROUND External Rotational Humeral osteotomy is used to address the external rotation deficit in older children with obstetric brachial plexus Injury (OBPI). Although this procedure improves the cosmetic effect of shoulder subluxation, it has no effect on the underlying structural (glenohumeral deformity and scapular elevation and rotation) and functional problems. In this study, improvements in glenohumeral joint alignment; scapular hypoplasia, elevation, and rotation (SHEAR) deformity; and upper extremity functional movements were demonstrated in adult patients with OBPI 1 year after the mod Quad and/or triangle tilt surgeries. METHODS AND PATIENTS The outcome of humeral rotational osteotomy reported in the literature was compared with the results from 43 adult patients with OBPI (21 men and 22 women; 23 right and 20 left sides) with a mean age of 21.3 years (range, 17 to 38 years) who underwent mod Quad and/or triangle tilt surgeries and had over 12 months of postoperative follow-up (mean 22.9 months; range, 12 to 50 months). RESULTS The preoperative average modified total Mallet score, including supination, was 14.6 ± 3.5 (P < 0.0001) in the 43 adult patients with OBPI in this report. This total Mallet score was significantly improved to 22 ± 3.9 (P < 0.0001) over 12 months after mod Quad and/or triangle tilt surgeries. Thirty-two (75%) of the patients showed great improvement in all upper extremity functions: shoulder abduction, external rotation, hand-to-mouth, hand-to-neck, hand-to-spine, and supination. The improvement after humeral osteotomy reported in the literature was a cosmetic effect that did not address the underlying structural and functional problems and was found to decrease the improved shoulder abduction in long-term follow-up. CONCLUSIONS Thirty-two (75%) of 43 adult patients with OBPI showed great improvement in all upper extremity functions 1 year after mod Quad and/or triangle tilt surgeries. The other 11 patients (25%) showed improvement in hand-to-mouth movement and/or supination. In contrast, humeral osteotomy, as reported in the literature, improved the cosmetic effect of shoulder subluxation but had no effect on the underlying structural and functional problems.
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The outcome of soft-tissue release and tendon transfer in shoulders with brachial plexus birth palsy. JSES Int 2021; 5:905-911. [PMID: 34505104 PMCID: PMC8411056 DOI: 10.1016/j.jseint.2021.05.004] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/02/2022] Open
Abstract
Background Shoulder involvement in brachial plexus birth palsy is common, and the adduction, internal rotation contracture deformity often requires some form of surgical treatment. There are very few long-term reports on release of contracted muscles and tendon transfers, especially in older children. We are reporting the single-center results of such a surgery with detailed outcome analysis. Methods The prospectively collected data from brachial plexus birth palsy cases who had undergone contracture release and tendon transfer were retrospectively studied and examined. The new Mallet and functional scores were compared with the original data forms and then analyzed. The radiographic evidence of glenoid dysplasia and its correlation with age and functional outcome was assessed. Results A total of 82 cases with surgery at mean age of 9.5 ± 5.09 years and a follow-up of 8 ± 3.8 (3-20) years entered the study. Of these, 56% of cases had 7 to 20 years of age at surgery. Fifty-four (66%) patients had only shoulder surgery, and 28 (34%) required additional reconstructive surgeries for hand and wrist. Moderate to severe glenohumeral dysplasia was present in 38%. The preoperative Mallet score of 10.6 ± 2.97 improved to 19.3 ± 3.39 (P < .001). Eighty-one percent of patients showed improvement in “reaching face” functions, 71% in “above head” functions, and 74% in “midline functions.” The cases with lack of improvement in midline function mostly belonged to pan-plexus injuries. Noticeable subjective and objective improvement was also observed in cases with glenohumeral dysplasia in their Mallet and functional scores (P < .001). The improvement in function and subjective satisfaction of 92% was observed irrespective of age at surgery. Conclusion Soft-tissue release and tendon transfer for brachial plexus birth palsy shoulder can improve function and limb appearance even in older children and young adults and even in the presence of glenohumeral dysplasia.
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Abstract
The widespread use of the operating microscope for nerve repairs has inspired operative treatment for obstetric paralysis. For a long time, the standard treatment has been based on early nerve surgery. However, the generally accepted strategy for treating obstetric paralysis is far from satisfactory. The main sequels we have observed are due to incorrect treatment of the deficits or due to devastating early nerve surgery. Therefore, a different approach should be considered and designed to prevent and treat the main deficits. After examining over 1000 non-operated patients over almost four decades and in three different countries, I have never encountered anyone who has not recovered active contraction of shoulder muscles or relatively strong elbow flexion. Therefore, I recommend not to have early nerve surgery.
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Hems T. Questions regarding natural history and management of obstetric brachial plexus injury. J Hand Surg Eur Vol 2021; 46:796-799. [PMID: 34210206 DOI: 10.1177/17531934211027117] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/03/2023]
Affiliation(s)
- Tim Hems
- Scottish National Brachial Plexus Injury Service, Queen Elizabeth University Hospital and Royal Hospital for Children, Glasgow, UK
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Valenti P. Surgical procedure to restore shoulder external rotation in post-traumatic brachial plexus lesions in adults. HAND SURGERY & REHABILITATION 2021; 41S:S39-S43. [PMID: 34407484 DOI: 10.1016/j.hansur.2020.11.014] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/28/2019] [Revised: 11/04/2020] [Accepted: 11/04/2020] [Indexed: 10/20/2022]
Abstract
The lack of active external rotation following a brachial plexus injury in adults is very disabling and very challenging to solve. If direct nerve surgery or nerve transfer fails or if the patient is seen too late, palliative surgery is the last resort. Shoulder fusion can stabilize the joint to increase strength at the elbow, but the patient loses all external rotation. A metaphyseal humeral osteotomy shifts the sector of mobility to push out the arm from the chest but does not restore any active external rotation. Latissimus dorsi and teres major transfers are not indicated in traumatic brachial plexus injuries. Lower trapezius (inferior fibers of the trapezius) transfer detached from the medial angle of the scapula and fixed to the infraspinatus tendon is the main option in paralyzed shoulders. It can restore 90° external rotation on average. This tendon transfer is an agonist, with the same direction but with less excursion and strength. If this muscle is paralyzed (nerve lesion), one can harvest and transfer the contralateral lower trapezius instead. The goals of this paper are to describe the surgical technique for these two tendons transfer, their indications and results.
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Affiliation(s)
- P Valenti
- Institut de la Main, Paris Shoulder Unit, Clinique Bizet, 23, Rue Georges Bizet, 75116 Paris, France.
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Nicholson TA, Elder A, Gallen K, Namdari S. Rotational Osteotomy of the Humeral Shaft for Malunion in Osteogenesis Imperfecta: A Case Report. JBJS Case Connect 2019; 9:e0161. [PMID: 31373913 DOI: 10.2106/jbjs.cc.18.00161] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022]
Abstract
CASE We report a case of an adult with osteogenesis imperfecta, who underwent humeral shaft osteotomy to correct an internal rotation deformity results from a humeral shaft malunion. The patient incurred a temporary radial nerve palsy. CONCLUSIONS Humeral shaft malunion can be successfully treated with rotational osteotomy of the humerus through an anterior approach; however, the risk of radial nerve palsy exists and may be minimized by a posterior approach.
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Affiliation(s)
- Thema A Nicholson
- Department of Orthopaedic Surgery, Rothman Institute-Thomas Jefferson University, Philadelphia, Pennsylvania
| | - Alexandra Elder
- Sidney Kimmel Medical College-Thomas Jefferson University, Philadelphia, Pennsylvania
| | - Kate Gallen
- Department of Orthopaedic Surgery, Rothman Institute-Thomas Jefferson University, Philadelphia, Pennsylvania
| | - Surena Namdari
- Department of Orthopaedic Surgery, Rothman Institute-Thomas Jefferson University, Philadelphia, Pennsylvania
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Secondary procedures for restoration of upper limb function in late cases of neonatal brachial plexus palsy. EUROPEAN JOURNAL OF ORTHOPAEDIC SURGERY AND TRAUMATOLOGY 2019; 29:329-336. [DOI: 10.1007/s00590-019-02362-1] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/06/2018] [Accepted: 01/02/2019] [Indexed: 12/17/2022]
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Pehlivanoglu T, Erşen A, Bayram S, Atalar AC, Demirhan M. Arthroscopic versus open release of internal rotation contracture in the obstetrical brachial plexus paralysis (OBPP) sequela. J Shoulder Elbow Surg 2019; 28:28-35. [PMID: 30195621 DOI: 10.1016/j.jse.2018.06.020] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/11/2018] [Revised: 06/01/2018] [Accepted: 06/13/2018] [Indexed: 02/01/2023]
Abstract
BACKGROUND Latissimus dorsi (LD) and teres major (TM) tendon transfers are effective surgical procedures to improve shoulder abduction and external rotation for children with obstetrical brachial plexus palsy (OBPP). Open pectoralis major (PM) tendon Z-plasty and arthroscopic subscapularis (SS) release are 2 options for the release of internal rotation contractures to enhance muscle transfers. This study compared the functional results of LD and TM tendon transfers with open PM tendon Z-plasty or arthroscopic SS release. METHODS The study included 24 patients who underwent LD and TM tendon transfers for OBPP (9 arthroscopic SS release, 15 open PM tendon Z-plasty) with a mean follow-up of 41.33 months (range, 36-60 months) and 47.2 months (range, 36-60 months), respectively. Functional evaluation was made according to range of motion and Mallet scoring system. RESULTS Shoulder abduction-external rotation degrees and scores in all sections of the Mallet scoring system significantly increased in both groups (P < .001). Postoperatively, the arthroscopic SS release group had significantly better abduction degrees (P = .003), total Mallet scores (P < .001), and superior abduction (P = .043), active external rotation (P = .043), hand-to-head (P = .043), and hand-to-mouth (P < .001) scores for the Mallet scoring system. DISCUSSION Transfer of LD together with TM tendons combined with one of the internal rotation contracture release procedures yielded good clinical and functional results in patients younger than age 7, regardless of the type of release method. However, arthroscopic SS release, although requiring an experienced surgeon, revealed better clinical and functional outcomes and is considered to be a less invasive and superior method.
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Affiliation(s)
- Tuna Pehlivanoglu
- Department of Orthopaedic Surgery and Traumatology, Istanbul Faculty of Medicine, Istanbul University, Istanbul, Turkey
| | - Ali Erşen
- Department of Orthopaedic Surgery and Traumatology, Istanbul Faculty of Medicine, Istanbul University, Istanbul, Turkey
| | - Serkan Bayram
- Department of Orthopaedic Surgery and Traumatology, Istanbul Faculty of Medicine, Istanbul University, Istanbul, Turkey
| | - Ata Can Atalar
- Department of Orthopaedic Surgery and Traumatology, Faculty of Medicine, Acıbadem University, Istanbul, Turkey.
| | - Mehmet Demirhan
- Department of Orthopaedic Surgery and Traumatology, School of Medicine, Koç University, Istanbul, Turkey
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van de Bunt F, Pearl ML, van Essen T, van der Sluijs JA. Humeral retroversion and shoulder muscle changes in infants with internal rotation contractures following brachial plexus birth palsy. World J Orthop 2018; 9:292-299. [PMID: 30598873 PMCID: PMC6306517 DOI: 10.5312/wjo.v9.i12.292] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/21/2018] [Revised: 10/16/2018] [Accepted: 11/15/2018] [Indexed: 02/06/2023] Open
Abstract
AIM To examine humeral retroversion in infants who sustained brachial plexus birth palsy (BPBI) and suffered from an internal rotation contracture. Additionally, the role of the infraspinatus (IS) and subscapularis (SSc) muscles in the genesis of this bony deformation is explored.
METHODS Bilateral magnetic resonance imaging (MRI) scans of 35 infants (age range: 2-7 mo old) with BPBI were retrospectively analyzed. Retroversion was measured according to two proximal axes and one distal axis (transepicondylar axis). The proximal axes were: (1) the perpendicular line to the borders of the articular surface (humeral centerline); and (2) the longest diameter through the humeral head. Muscle cross-sectional areas of the IS and SSc muscles were measured on the MRI-slides representing the largest muscle belly. The difference in retroversion was correlated with the ratio of muscle-sizes and passive external rotation measurements.
RESULTS Retroversion on the involved side was significantly decreased, 1.0° vs 27.6° (1) and 8.5° vs 27.2° (2), (P < 0.01), as compared to the uninvolved side. The size of the SSc and IS muscles on the involved side was significantly decreased, 2.26 cm² vs 2.79 cm² and 1.53 cm² vs 2.19 cm², respectively (P < 0.05). Furthermore, the muscle ratio (SSc/IS) at the involved side was significantly smaller compared to the uninvolved side (P = 0.007).
CONCLUSION Even in our youngest patient population, humeral retroversion has a high likelihood of being decreased. Altered humeral retroversion warrants attention as a structural change in any child being evaluated for the treatment of an internal rotation contracture.
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Affiliation(s)
- Fabian van de Bunt
- Department of Orthopedics, Amsterdam UMC, VU University Medical Center, Amsterdam 1081 HV, Netherlands
| | - Michael L Pearl
- Department of Shoulder and Elbow Surgery, Kaiser Permanente Medical Center, Los Angeles, Ca 90027, United States
| | - Tom van Essen
- Department of Orthopedics, Amsterdam UMC, VU University Medical Center, Amsterdam 1081 HV, Netherlands
| | - Johannes A van der Sluijs
- Department of Orthopedics, Amsterdam UMC, VU University Medical Center, Amsterdam 1081 HV, Netherlands
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Greenhill DA, Trionfo A, Ramsey FV, Kozin SH, Zlotolow DA. Postoperative Loss of Midline Function in Brachial Plexus Birth Palsy. J Hand Surg Am 2018; 43:565.e1-565.e10. [PMID: 29223630 DOI: 10.1016/j.jhsa.2017.10.041] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/01/2016] [Revised: 10/15/2017] [Accepted: 10/25/2017] [Indexed: 02/02/2023]
Abstract
PURPOSE To identify the rate of and predictive variables for functionally limited shoulder internal rotation in postoperative patients with brachial plexus birth palsy. METHODS Records of patients with brachial plexus birth palsy who had surgery on the affected upper extremity during a 10-year period were retrospectively reviewed. Patient demographics, physical examinations, and all upper extremity procedures were recorded. Loss of midline function (LOM) was defined as a Modified Mallet Scale or Active Movement Scale (AMS) internal rotation score <3. Exclusion criteria were <1-year follow-up after the most recent procedure, insufficient documentation, or preexisting LOM. Multivariable logistic regression was performed on 3 different scenarios of candidate variables to identify those associated with LOM. All scenarios included each procedure as a candidate variable. Scenario A additionally analyzed preprocedural AMS scores. Scenario B additionally analyzed preprocedural Modified Mallet Scale scores. Scenario C isolated the surgical pathway without preprocedural examination scores. RESULTS Among 172 included patients, 34 (19.8%) developed LOM. Predictive variables associated with LOM included severity of initial palsy (C5-7, odds ratio 3.6; C5-T1, odds ratio 4.9), poor recovery of upper trunk motor function before the patient's first surgery (specifically Modified Mallet Scale abduction < 4, AMS elbow flexion < 3, and AMS wrist extension < 3), and patients who ultimately required surgical glenohumeral reduction (odds ratio 3.6). Age, number of procedures, closed shoulder reduction with casting, shoulder tendon transfers, and external rotation humeral osteotomies were not predictive of LOM. CONCLUSIONS Approximately 1 in every 5 patients with brachial plexus birth palsy will develop LOM after entering a surgical algorithm designed to improve shoulder external rotation. Patients with a more severe initial palsy (C5-7 or global), poor spontaneous recovery of upper trunk motor function (elbow flexion or wrist extension) before their first procedure, and those who ultimately require surgical glenohumeral joint reduction should be counseled as having a higher odds of LOM development. TYPE OF STUDY/LEVEL OF EVIDENCE Therapeutic IV.
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Affiliation(s)
- Dustin A Greenhill
- Department of Orthopaedic Surgery and Sports Medicine, Temple University Hospital, Philadelphia, PA
| | - Arianna Trionfo
- Department of Orthopaedic Surgery and Sports Medicine, Temple University Hospital, Philadelphia, PA.
| | - Frederick V Ramsey
- Department of Clinical Sciences, Temple University School of Medicine, Philadelphia, PA
| | - Scott H Kozin
- Department of Orthopaedic Surgery, Shriners Hospital for Children, Philadelphia, PA
| | - Dan A Zlotolow
- Department of Orthopaedic Surgery, Shriners Hospital for Children, Philadelphia, PA
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Acan AE, Gursan O, Demirkiran ND, Havitcioglu H. Late treatment of obstetrical brachial plexus palsy by humeral rotational osteotomy and lengthening with an intramedullary elongation nail. ACTA ORTHOPAEDICA ET TRAUMATOLOGICA TURCICA 2018; 52:75-80. [PMID: 28495173 PMCID: PMC6136309 DOI: 10.1016/j.aott.2017.03.019] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/02/2016] [Revised: 08/08/2016] [Accepted: 08/23/2016] [Indexed: 12/15/2022]
Abstract
To date, all the authors who have recommended external rotation osteotomy (ERO) in the late treatment of obstetrical brachial plexus palsy (OBPP), have neglected upper limb length discrepancy, which is an another sequelae of OBPP. In this paper, a new technique is reported for the late treatment of OBPP patients with upper limb length discrepancy, in which both humeral external rotation osteotomy (ERO) and lengthening are applied with an intramedullary elongation nail. With this technique, upper limb function is improved through re-orientation of the shoulder arc to a more functional range, and further improvements will be seen in the appearance of the upper limb with the elimination of length discrepancy. It is also advocated that there is a potentiating effect of the humeral lengthening on shoulder movements gained by ERO when the osteotomy is applied above the deltoid insertion, as this allows more lateralized placement of the deltoid insertion.
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Stein J, Laor T, Carr P, Zbojniewicz A, Cornwall R. The Effect of Scapular Position on Magnetic Resonance Imaging Measurements of Glenohumeral Dysplasia Caused by Neonatal Brachial Plexus Palsy. J Hand Surg Am 2017; 42:1030.e1-1030.e11. [PMID: 28823534 DOI: 10.1016/j.jhsa.2017.07.001] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/28/2016] [Revised: 06/27/2017] [Accepted: 07/03/2017] [Indexed: 02/02/2023]
Abstract
PURPOSE Neonatal brachial plexus palsy (NBPP) frequently causes glenohumeral dysplasia. Quantification of this dysplasia on magnetic resonance imaging can determine the need for and the success of nonsurgical or surgical intervention. However, we hypothesize that the variable position of the scapula on the thorax between affected and unaffected shoulders affects dysplasia measurements. METHODS Magnetic resonance imaging studies were analyzed from 19 NBPP patients (ages 0.8-18 years; median, 2.4 years) without prior shoulder surgery. Three reviewers measured the glenoid version angle (GVA) and percentage of humeral head anterior to the midscapular line (PHHA) on standard axial images ("thoracic axial") and on reformatted axial images aligned perpendicular to the scapular plane ("scapular axial"), which corrects for scapulothoracic position. Scapular tilt and protraction were measured to assess their impact on the difference between thoracic and scapular GVA and PHHA measurements. Intra- and interrater reliability were calculated for GVA and PHHA on both views. RESULTS The GVA of the affected shoulder was significantly greater on thoracic than on scapular images, by an average of 5° and as much as 34°. The PHHA was significantly less in the affected shoulders on thoracic than on scapular images, by an average of 5% and as much as 33% of humeral head width. The difference in GVA, but not PHHA, between thoracic and scapular axial images in the affected shoulder correlated with scapular tilt. Unaffected shoulders showed no significant difference in GVA or PHHA between thoracic and scapular axial images. Interrater reliability ranged from fair to substantial and did not differ between thoracic and scapular images. CONCLUSIONS Thoracic axial images overestimate the severity of glenohumeral dysplasia in NBPP, owing at least in part to the variable position of the scapula on the thorax. This confounding effect must be considered in interpretation of axial quantitative measures of glenohumeral dysplasia in NBPP. TYPE OF STUDY/LEVEL OF EVIDENCE Diagnostic III.
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Affiliation(s)
- Jill Stein
- Department of Radiology, Cincinnati Children's Hospital Medical Center, Cincinnati, OH
| | - Tal Laor
- Department of Radiology, Cincinnati Children's Hospital Medical Center, Cincinnati, OH
| | - Preston Carr
- Division of Orthopaedic Surgery, Cincinnati Children's Hospital Medical Center, Cincinnati, OH
| | - Andrew Zbojniewicz
- Department of Radiology, Cincinnati Children's Hospital Medical Center, Cincinnati, OH
| | - Roger Cornwall
- Division of Orthopaedic Surgery, Cincinnati Children's Hospital Medical Center, Cincinnati, OH.
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van de Bunt F, Pearl ML, Lee EK, Peng L, Didomenico P. Analysis of normal and dysplastic glenohumeral morphology at magnetic resonance imaging in children with neonatal brachial plexus palsy. Pediatr Radiol 2017; 47:1337-1344. [PMID: 28676895 PMCID: PMC5574959 DOI: 10.1007/s00247-017-3882-1] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/16/2016] [Revised: 03/28/2017] [Accepted: 04/27/2017] [Indexed: 01/19/2023]
Abstract
BACKGROUND Glenoid version and percentage of the humeral head anterior to the scapular line are commonly used 2-D measures to assess deformity of the glenohumeral joint of children with neonatal brachial plexus palsy. OBJECTIVE To assess whether glenoid version and percentage of the humeral head anterior to the scapular line would be altered by standardizing the measurements to the orientation of the scapula. MATERIALS AND METHODS Twenty-one bilateral magnetic resonance imaging (MRI) scans were evaluated by four reviewers. Measurements were performed on the axial image slices and again after applying 3-D reformatting. RESULTS Three-dimensional reformatting led to intrapatient corrections up to 25° for version and -30% for percentage of the humeral head anterior to the scapular line. The mean difference on the involved side between clinical and anatomical version across all subjects from all reviewers was 2.2° ± 3.9° (range: -4.5° to 11.5°). The mean difference in the percentage of the humeral head anterior to the scapular line after reformatting was -1.8% (range: -15.9% to 5.2%). CONCLUSION Measurements can differ greatly for the same child depending on technical factors of image acquisition and presentation in the clinical setting. With this study, we present a clinically accessible protocol to correct for scapular orientation from MRI data of children with neonatal brachial plexus palsy.
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Affiliation(s)
- Fabian van de Bunt
- VU University Medical Center, De Boelelaan 1117, 1081 HV, Amsterdam, The Netherlands.
| | - Michael L Pearl
- Kaiser Permanente, 4760 Sunset Blvd Ste. 1213, Los Angeles, CA, 90027, USA
| | - Eric K Lee
- Kaiser Permanente, 4760 Sunset Blvd Ste. 1213, Los Angeles, CA, 90027, USA
| | - Lauren Peng
- Kaiser Permanente, 4760 Sunset Blvd Ste. 1213, Los Angeles, CA, 90027, USA
| | - Paul Didomenico
- Kaiser Permanente, 4760 Sunset Blvd Ste. 1213, Los Angeles, CA, 90027, USA
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Nath RK, Somasundaram C. Improvements after mod Quad and triangle tilt revision surgical procedures in obstetric brachial plexus palsy. World J Orthop 2016; 7:752-757. [PMID: 27900273 PMCID: PMC5112345 DOI: 10.5312/wjo.v7.i11.752] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/23/2016] [Revised: 07/22/2016] [Accepted: 09/08/2016] [Indexed: 02/06/2023] Open
Abstract
AIM To compare outcomes of our revision surgical operations in obstetric brachial plexus palsy (OBPP) patients to results of conventional operative procedures at other institutions.
METHODS We analyzed our OBPP data and identified 10 female and 10 male children aged 2.0 to 11.8 years (average age 6.5 years), who had prior conventional surgical therapies at other clinics. Of the 20 patients, 18 undergone triangle tilt, 2 had only mod Quad. Among 18 patients, 8 had only triangle tilt and 10 had also mod Quad as revision surgeries with us. We analyzed the anatomical improvements and functional modified Mallet statistically before and after a year post-revision operations.
RESULTS Pre-revision surgery average modified Mallet score was 12.0 ± 1.5. This functional score was greatly improved to 18 ± 2.3 (P < 0.0001) at least one-year after revision surgical procedures. Radiological scores (PHHA and glenoid version) were also improved significantly to 31.9 ± 13.6 (P < 0.001), -16.3 ± 11 (P < 0.0002), at least one-year after triangle tilt procedure. Their mean pre-triangle tilt (yet after other surgeon’s surgeries) PHHA, glenoid version and SHEAR were 14.6 ± 21.7, -31.6 ± 19.3 and 16.1 ± 14.7 respectively.
CONCLUSION We demonstrate here, mod Quad and triangle tilt as successful revision surgical procedures in 20 OBPP patients, who had other surgical treatments at other clinics before presenting to us for further treatment.
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Chagas-Neto FA, Dalto VF, Crema MD, Waters PM, Gregio-Junior E, Mazzer N, Nogueira-Barbosa MH. Imaging assessment of glenohumeral dysplasia secondary to brachial plexus birth palsy. Radiol Bras 2016; 49:144-9. [PMID: 27403013 PMCID: PMC4938443 DOI: 10.1590/0100-3984.2015.0039] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
Objective To assess imaging parameters related to the morphology of the glenohumeral
joint in children with unilateral brachial plexus birth palsy (BPBP), in
comparison with those obtained for healthy shoulders. Materials and Methods We conducted a retrospective search for cases of unilateral BPBP diagnosed at
our facility. Only patients with a clinical diagnosis of unilateral BPBP
were included, and the final study sample consisted of 10 consecutive
patients who were assessed with cross-sectional imaging. The glenoid
version, the translation of the humeral head, and the degrees of
glenohumeral dysplasia were assessed. Results The mean diameter of the affected humeral heads was 1.93 cm, compared with
2.33 cm for those of the normal limbs. In two cases, there was no
significant posterior displacement of the humeral head, five cases showed
posterior subluxation of the humeral head, and the remaining three cases
showed total luxation of the humeral head. The mean glenoid version angle of
the affected limbs (90-α) was -9.6º, versus +1.6º for the normal,
contralateral limbs. Conclusion The main deformities found in this study were BPBP-associated retroversion of
the glenoid cavity, developmental delay of the humeral head, and posterior
translation of the humeral head.
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Affiliation(s)
- Francisco Abaete Chagas-Neto
- Radiology Professor, Division of Radiology, Universidade de Fortaleza (Unifor) and Centro Universitário Christus, Fortaleza, CE, Brazil
| | - Vitor Faeda Dalto
- PhD Student, Division of Radiology, Internal Medicine Department, Faculdade de Medicina de Ribeirão Preto da Universidade de São Paulo (FMRP-USP), Ribeirão Preto, SP, Brazil
| | - Michel Daoud Crema
- MD, Radiologist, Radiology Department, Hôpital Saint-Antoine, Université Paris VI, Paris, France; Department of Radiology, Quantitative Imaging Center, Boston University School of Medicine, Boston, MA, USA; Department of Radiology and Tele-Imaging, Hospital do Coração (HCor), São Paulo, SP, Brazil
| | - Peter M Waters
- Orthopedic Surgeon-in-Chief, Brachial Plexus Program Director, Orthopedic Center, Boston Children's Hospital, Harvard Medical School, Boston, MA, USA
| | | | - Nilton Mazzer
- Full Professor of Orthopedics, Department of Biomechanics, Medicine, and Rehabilitation of the Locomotor Apparatus, Faculdade de Medicina de Ribeirão Preto da Universidade de São Paulo (FMRP-USP), Ribeirão Preto, SP, Brazil
| | - Marcello Henrique Nogueira-Barbosa
- Associate Professor of Radiology, Division of Radiology, Internal Medicine Department, Faculdade de Medicina de Ribeirão Preto da Universidade de São Paulo (FMRP-USP), Ribeirão Preto, SP, Brazil
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Baltzer HL, Wagner ER, Kircher MF, Spinner RJ, Bishop AT, Shin AY. Evaluation of infraspinatus reinnervation and function following spinal accessory nerve to suprascapular nerve transfer in adult traumatic brachial plexus injuries. Microsurgery 2016; 37:365-370. [PMID: 27206345 DOI: 10.1002/micr.30070] [Citation(s) in RCA: 28] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/22/2015] [Revised: 04/22/2016] [Accepted: 05/04/2016] [Indexed: 12/17/2022]
Abstract
PURPOSE Our objective was to determine the prevalence and quality of restored external rotation (ER) in adult brachial plexus injury (BPI) patients who underwent spinal accessory nerve (SAN) to suprascapular nerve (SSN) transfer, and to identify patient and injury factors that may influence results. METHODS Fifty-one adult traumatic BPI patients who underwent SAN to SSN transfer between 2000 and 2013, all treated less than 1 year after injury with >1 year follow-up. The primary outcome measured was shoulder ER. The outcomes we utilized included "clinically useful ER" (motion ≥ -35° with ≥MRC 2 strength), modified British Medical Research Council (MRC) grading, and electromyographic (EMG) reinnervation. RESULTS EMG evidence of re-innervation was found in 85% of patients. Surgery resulted in improved ER in 41% (21/51) of shoulders at an average of 28 months follow-up. Of these, only 31% (17/51) had clinically useful ER. The average ER active range of motion was 12° from full internal rotation (Range: -60° to 90°) and MRC grade 2.2 (2-4). The only predictor of ER improvement was an isolated upper trunk (C5-C6) injury. Improved ER was clinically evident in 76%, 37% and 26% of upper trunk (UT), C5-C6-C7 and panplexus injuries, respectively (P < 0.03). CONCLUSIONS Although 85% had EMG signs of recovery, the SAN to SSN transfer failed to provide useful recovery of ER through reinnervation of the infraspinatus muscle in injuries involving more levels than a C5-C6 root/upper trunk pattern. In patients with greater than C5-6 level injuries alternatives to SAN to SSN transfer should be considered to restore shoulder ER. © 2016 Wiley Periodicals, Inc. Microsurgery 37:365-370, 2017.
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Affiliation(s)
- Heather L Baltzer
- Department of Orthopedic Surgery and the Department of Neurosurgery, Mayo Clinic, 200 First St SW, Rochester, MN
| | - Eric R Wagner
- Department of Orthopedic Surgery and the Department of Neurosurgery, Mayo Clinic, 200 First St SW, Rochester, MN
| | - Michelle F Kircher
- Department of Orthopedic Surgery and the Department of Neurosurgery, Mayo Clinic, 200 First St SW, Rochester, MN
| | - Robert J Spinner
- Department of Orthopedic Surgery and the Department of Neurosurgery, Mayo Clinic, 200 First St SW, Rochester, MN
| | - Allen T Bishop
- Department of Orthopedic Surgery and the Department of Neurosurgery, Mayo Clinic, 200 First St SW, Rochester, MN
| | - Alexander Y Shin
- Department of Orthopedic Surgery and the Department of Neurosurgery, Mayo Clinic, 200 First St SW, Rochester, MN
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18
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Rudge WBJ, Sewell MD, Al-Hadithy N, Wallace CN, Lambert SM. Shoulder linked arthroplasty in patients with obstetric brachial plexus palsy can improve quality of life and function at short-term follow-up. J Shoulder Elbow Surg 2015; 24:1473-80. [PMID: 25958212 DOI: 10.1016/j.jse.2015.03.006] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/23/2014] [Revised: 02/26/2015] [Accepted: 03/07/2015] [Indexed: 02/01/2023]
Abstract
BACKGROUND Patients with obstetric brachial plexus palsy (OBPP) are prone to develop degenerative shoulder disease at a younger age than the general population. To date, no reports have been published on the complexities or outcome of shoulder arthroplasty (SA) in this unique patient group. METHODS We reviewed of 9 SAs in 9 patients (3 men and 6 women) with OBPP with mean follow-up 5.1 years (range, 2.6-7.6 years). Patients were a mean age of 29 years (range, 16-56 years). Patients had undergone a mean of 3 previous operations (range, 2-6). All patients underwent linked constrained SA. RESULTS The mean Oxford Shoulder Score increased from 8 (range, 3-10) preoperatively to 21 (range, 12-32) at the final follow-up (P < .001) predominantly due to pain relief. Mean range of active forward elevation and abduction improved from 35° and 39° to 46° and 45°, respectively. Patients improved significantly in 2 of 8 Short-Form 36-Item health-related quality of life domains, bodily pain (P = .013) and mental health (P = .035), and the overall physical component summary score (P = .006). Range of motion had mild improvements. Three required reoperation (33%), comprising 1 excision of heterotopic ossification, 1 trimming of a prominent screw, and 1 deltoid rupture repair. CONCLUSIONS SA is effective at relieving pain and health-related quality of life for young patients with OBPP; however, compared with the general population, the complication rate is high and functional gains are small.
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Affiliation(s)
- Will B J Rudge
- Shoulder and Elbow Service, Royal National Orthopaedic Hospital Trust, Stanmore, Middlesex, UK
| | - Mathew David Sewell
- Shoulder and Elbow Service, Royal National Orthopaedic Hospital Trust, Stanmore, Middlesex, UK
| | - Nawfal Al-Hadithy
- Shoulder and Elbow Service, Royal National Orthopaedic Hospital Trust, Stanmore, Middlesex, UK.
| | - Charles N Wallace
- Shoulder and Elbow Service, Royal National Orthopaedic Hospital Trust, Stanmore, Middlesex, UK
| | - Simon M Lambert
- Shoulder and Elbow Service, Royal National Orthopaedic Hospital Trust, Stanmore, Middlesex, UK
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19
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Cheng W, Cornwall R, Crouch DL, Li Z, Saul KR. Contributions of muscle imbalance and impaired growth to postural and osseous shoulder deformity following brachial plexus birth palsy: a computational simulation analysis. J Hand Surg Am 2015; 40:1170-6. [PMID: 25847723 DOI: 10.1016/j.jhsa.2015.02.025] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/17/2014] [Revised: 02/05/2015] [Accepted: 02/05/2015] [Indexed: 02/02/2023]
Abstract
PURPOSE Two potential mechanisms leading to postural and osseous shoulder deformity after brachial plexus birth palsy are muscle imbalance between functioning internal rotators and paralyzed external rotators and impaired longitudinal growth of paralyzed muscles. Our goal was to evaluate the combined and isolated effects of these 2 mechanisms on transverse plane shoulder forces using a computational model of C5-6 brachial plexus injury. METHODS We modeled a C5-6 injury using a computational musculoskeletal upper limb model. Muscles expected to be denervated by C5-6 injury were classified as affected, with the remaining shoulder muscles classified as unaffected. To model muscle imbalance, affected muscles were given no resting tone whereas unaffected muscles were given resting tone at 30% of maximal activation. To model impaired growth, affected muscles were reduced in length by 30% compared with normal whereas unaffected muscles remained normal in length. Four scenarios were simulated: normal, muscle imbalance only, impaired growth only, and both muscle imbalance and impaired growth. Passive shoulder rotation range of motion and glenohumeral joint reaction forces were evaluated to assess postural and osseous deformity. RESULTS All impaired scenarios exhibited restricted range of motion and increased and posteriorly directed compressive glenohumeral joint forces. Individually, impaired muscle growth caused worse restriction in range of motion and higher and more posteriorly directed glenohumeral forces than did muscle imbalance. Combined muscle imbalance and impaired growth caused the most restricted joint range of motion and the highest joint reaction force of all scenarios. CONCLUSIONS Both muscle imbalance and impaired longitudinal growth contributed to range of motion and force changes consistent with clinically observed deformity, although the most substantial effects resulted from impaired muscle growth. CLINICAL RELEVANCE Simulations suggest that treatment strategies emphasizing treatment of impaired longitudinal growth are warranted for reducing deformity after brachial plexus birth palsy.
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Affiliation(s)
- Wei Cheng
- Department of Mechanical and Aerospace Engineering, North Carolina State University, Raleigh, NC
| | - Roger Cornwall
- Division of Orthopedic Surgery, Cincinnati Children's Hospital Medical Center, Cincinnati, OH
| | - Dustin L Crouch
- Department of Biomedical Engineering, North Carolina State University, Raleigh, NC
| | - Zhongyu Li
- Department of Orthopaedic Surgery, Wake Forest School of Medicine, Winston-Salem, NC
| | - Katherine R Saul
- Department of Mechanical and Aerospace Engineering, North Carolina State University, Raleigh, NC.
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Brachial Plexus Birth Palsy: Multimodality Imaging of Spine and Shoulder Abnormalities in Children. AJR Am J Roentgenol 2015; 204:W199-206. [DOI: 10.2214/ajr.14.12862] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
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21
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Nath RK, Somasundaram C. Triangle tilt and humeral surgery: Meta-analysis of efficacy and functional outcome. World J Orthop 2015; 6:156-160. [PMID: 25621221 PMCID: PMC4303785 DOI: 10.5312/wjo.v6.i1.156] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/25/2013] [Revised: 08/10/2014] [Accepted: 09/10/2014] [Indexed: 02/06/2023] Open
Abstract
AIM: To systematically review and analyze the overall impact and effectiveness of bony surgical procedures, the triangle tilt and humeral surgery in a comparative manner in permanent obstetric brachial plexus injury (OBPI) patients.
METHODS: We conducted a literature search and identified original full research articles of OBPI patients treated with a secondary bony surgery, particularly addressing the limitation of shoulder abduction and functions. Further, we analyzed and compared the efficacy and the surgical outcomes of 9 humeral surgery papers with 179 patients, and 4 of our secondary bony procedure, the triangle tilt surgical papers with 86 patients.
RESULTS: Seven hundred and thirty-one articles were identified, using the search term “brachial plexus” and obstetric or pediatric (246 articles) or neonatal (219 articles) or congenital (188 articles) or “birth palsy” (121 articles). Further, only a few articles were identified using the bony surgery search, osteotomy “brachial plexus” obstetric (35), “humeral osteotomy” and “brachial plexus” (17), and triangle tilt “brachial plexus” (14). Of all, 12 studies reporting pre- and post- operative or improvement in total Mallet functional score were included in this study. Among these, 9 studies reported the humeral surgery and 4 were triangle tilt surgery. We used modified total Mallet functional score in this analysis. Various studies with humeral surgery showed improvement of 1.4, 2.3, 5.0 and 5.6 total Mallet score, whereas the triangle tilt surgery showed improvement of 5.0, 5.5, 6.0 and 6.2.
CONCLUSION: The triangle tilt surgery improves on what was achieved by humeral osteotomy in the management of shoulder function in OBPI patients.
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A modified Sever-L'Episcopo procedure for restoration of shoulder joint function in Erb's palsy. INTERNATIONAL ORTHOPAEDICS 2014; 39:309-17. [PMID: 25416120 DOI: 10.1007/s00264-014-2592-7] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/20/2014] [Accepted: 10/31/2014] [Indexed: 10/24/2022]
Abstract
PURPOSE The aim of this study was to analyse the clinical outcome of a modified Sever-L'Episcopo technique for release of contracted muscles and tendon transfer to restore function of the shoulder joint in patients with Erb's palsy. METHODS A case series was conducted from March 1988 to November 2009 for 19 patients. The average age at operation was 8.4 years. A single incision via an anterior approach to the shoulder joint was used. Elongation of the pectoralis major and subscapularis was carried out. Excision of most of the coracoid process was performed. Latissimus dorsi and teres major muscles were transferred from their insertion on the anteromedial aspect to the lateral aspect of the humerus via passing posteriorly to the shaft of the humerus. Anterior capsulotomy was done as needed to get concentric reduction of the glenohumeral joint. RESULTS According to the modified Mallet classification, there was improvement in glenohumeral joint movement, with a total score increase from 11.5 to 20.1. The improvements of abduction and external rotation were statistically significant with a p value of less than 0.005 through application of the paired t test, comparing preoperative with postoperative values. CONCLUSIONS Our modified technique in tendon transfer in treatment of Erb's palsy has led to improvement in glenohumeral joint function. This procedure can be applied efficiently in patients up to 16 years of age.
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Abdelgawad AA, Pirela-Cruz MA. Humeral rotational osteotomy for shoulder deformity in obstetric brachial plexus palsy: which direction should I rotate? Open Orthop J 2014; 8:130-4. [PMID: 24987487 PMCID: PMC4076617 DOI: 10.2174/1874325001408010130] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/15/2013] [Revised: 04/11/2014] [Accepted: 05/29/2014] [Indexed: 01/24/2023] Open
Abstract
Shoulder internal rotation contracture is the most common deformity affecting the shoulder in patients with Obstetric Brachial Plexus Palsy. With progression of the deformity, the glenohumeral joint starts to subluxate and then dislocates. This is accompanied with bony changes of both the humerus and the glenoid. Two opposite direction humeral osteotomies have been proposed for this condition (internal rotation osteotomy (IRO) and external rotation osteotomy (ERO)). This fact of different direction osteotomies has not adequately been explained in the literature. Most orthopedic surgeons may not be able to fully differentiate between these two osteotomies regarding the indications, outcomes and effects on the joint. This review explains these differences in details.
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Affiliation(s)
- Amr A Abdelgawad
- Department of Orthopedic Surgery, Paul L. Foster School of Medicine, Texas Tech University Health Science Center at El Paso, TX, USA
| | - Miguel A Pirela-Cruz
- Department of Orthopedic Surgery, Paul L. Foster School of Medicine, Texas Tech University Health Science Center at El Paso, TX, USA
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24
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Sheehan FT, Brochard S, Behnam AJ, Alter KE. Three-dimensional humeral morphologic alterations and atrophy associated with obstetrical brachial plexus palsy. J Shoulder Elbow Surg 2014; 23:708-19. [PMID: 24291045 PMCID: PMC4232185 DOI: 10.1016/j.jse.2013.08.014] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/14/2013] [Revised: 08/06/2013] [Accepted: 08/13/2013] [Indexed: 02/01/2023]
Abstract
BACKGROUND Obstetrical brachial plexus palsy (OBPP) is a common birth injury, resulting in severe functional losses. Yet, little is known about how OBPP affects the 3-dimensional (3D) humeral morphology. Thus, the purpose of this study was to measure the 3D humeral architecture in children with unilateral OBPP. METHODS Thirteen individuals (4 female and 9 male patients; mean age, 11.8 ± 3.3 years; mean Mallet score, 15.1 ± 3.0) participated in this institutional review board approved study. A 3D T1-weighted gradient-recalled echo magnetic resonance image set was acquired for both upper limbs (involved and noninvolved). Humeral size, version, and inclination were quantified from 3D humeral models derived from these images. RESULTS The involved humeral head was significantly less retroverted and in declination (medial humeral head pointed anteriorly and inferiorly) relative to the noninvolved side. Osseous atrophy was present in all 3 dimensions and affected the entire humerus. The inter-rater reliability was excellent (intraclass correlation coefficient, 0.96-1.00). DISCUSSION This study showed that both humeral atrophy and bone shape deformities associated with OBPP are not limited to the axial plane but are 3D phenomena. Incorporating information related to these multi-planar, 3D humeral deformities into surgical planning could potentially improve functional outcomes after surgery. The documented reduction in retroversion is an osseous adaptation, which may help maintain glenohumeral congruency by partially compensating for the internal rotation of the arm. The humeral head declination is a novel finding and may be an important factor to consider when one is developing OBPP management strategies because it has been shown to lead to significant supraspinatus inefficiencies and increased required elevation forces.
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Affiliation(s)
- Frances T. Sheehan
- Functional and Applied Biomechanics Section, Rehabilitation Medicine Department, National Institutes of Health, Bethesda, MD, USA
| | - Sylvain Brochard
- Functional and Applied Biomechanics Section, Rehabilitation Medicine Department, National Institutes of Health, Bethesda, MD, USA,Rehabilitation Medicine Department, University Hospital of Brest, Brest, France,LaTIM, INSERM U1101 Brest, France
| | - Abrahm J. Behnam
- Functional and Applied Biomechanics Section, Rehabilitation Medicine Department, National Institutes of Health, Bethesda, MD, USA,Virginia Commonwealth University School of Medicine, Richmond, VA, USA
| | - Katharine E. Alter
- Functional and Applied Biomechanics Section, Rehabilitation Medicine Department, National Institutes of Health, Bethesda, MD, USA,Mt Washington Pediatric Hospital, Baltimore, MD, USA
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25
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Abstract
Brachial plexus birth palsy can result in permanent lifelong deficits and unfortunately continues to be relatively common despite advancements in obstetric care. The diagnosis can be made shortly after birth by physical examination, noting a lack of movement in the affected upper extremity. Treatment begins with passive range-of-motion exercises to maintain flexibility and tactile stimulation to provide sensory reeducation. Primary surgery consists of microsurgical nerve surgery, whereas secondary surgery consists of alternative microsurgical procedures, tendon transfers, or osteotomies, all of which improve outcomes in the short term. However, the long-term outcomes of current treatment recommendations remain unknown.
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26
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Nixon M, Trail I. Management of Shoulder Problems Following Obstetric Brachial Plexus Injury. Shoulder Elbow 2014; 6:12-7. [PMID: 27582903 PMCID: PMC4986645 DOI: 10.1111/sae.12003] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/31/2012] [Accepted: 11/15/2012] [Indexed: 12/12/2022]
Abstract
Obstetric brachial plexus injuries are common, with an incidence of 0.42 per 1000 live births in the UK, and with 25% of patients being left with permanent disability without intervention. The shoulder is the most commonly affected joint and, as a result of the subsequent imbalance of musculature, the abnormal deforming forces cause dysplasia of the glenohumeral joint. In the growing child, this presents with changing pattern of pathology, which requires a multidisciplinary approach and a broad range of treatment modalities to optimize function.
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Affiliation(s)
- Matthew Nixon
- Department of Orthopaedic Surgery, Manchester Children's Hospital, Manchester, UK, Department of Orthopaedic Surgery, Countess of Chester Hospital, Chester, UK,
Correspondence: Matthew Nixon, Department of Orthopaedic Surgery, Countess of Chester Hospital – Orthopaedics, Chester, UK. Tel.: +44 (0)124 4366288. Fax: +44 (0)124 4366324. E-mail:
| | - Ian Trail
- Department of Orthopaedic Surgery, Manchester Children's Hospital, Manchester, UK, Department of Orthopaedic Surgery, Wrightington Hospital, Wigan, UK
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27
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Assunção JH, Ferreira AAN, Benegas E, Bolliger RN, Prada FS, Malavolta EA, Gracitelli MEC, Camanho GL. Humeral internal rotation osteotomy for the treatment of Erb-Duchenne-type obstetric palsy: clinical and radiographic results. Clinics (Sao Paulo) 2013; 68:928-33. [PMID: 23917655 PMCID: PMC3715036 DOI: 10.6061/clinics/2013(07)07] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/16/2013] [Accepted: 03/08/2013] [Indexed: 11/18/2022] Open
Abstract
OBJECTIVE To evaluate the functional and radiographic results in patients undergoing shoulder anterior soft tissue stretching in association with open reduction and internal rotation osteotomy to centralize the humeral head as a treatment for Erb-Duchenne obstetric palsy sequelae. METHOD A total of 35 patients underwent this surgical treatment, and the mean follow-up was 4.6 years. The Mallet scale was applied before and after the surgical procedure. A total of 20 patients underwent computed tomography to assess the glenoid version and humeral head subluxation. RESULTS Functional improvement was achieved, as evidenced by an increase in the Mallet scale score from 12.14 to 16.46 (p<0.001). The correction of retroversion was achieved once the glenoid version ranged from -21.4 to -12 degrees (p<0.001). The humeral head subluxation improved from 6.5 to 35.2% (p<0.001). Patients older than 6 years of age did not achieve glenohumeral joint improvement with respect to dysplastic abnormalities. CONCLUSION Internal rotation osteotomy in association with the stretching of anterior soft tissues of the shoulder in patients under the age of 7 years provided improvements in the function, retroversion, and subluxation of the glenohumeral joint.
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Affiliation(s)
- Jorge Henrique Assunção
- Department of Orthopedics and Traumatology, Faculdade de Medicina da Universidade de São Paulo, São Paulo, SP, Brazil
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28
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Nath RK, Somasundaram C. Extended long-term (5 years) outcomes of triangle tilt surgery in obstetric brachial plexus injury. Open Orthop J 2013; 7:94-8. [PMID: 23730369 PMCID: PMC3664462 DOI: 10.2174/1874325001307010094] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/23/2013] [Revised: 03/21/2013] [Accepted: 03/22/2013] [Indexed: 12/31/2022] Open
Abstract
Objective: We evaluated the "extended" long-term (5 years) functional outcomes in obstetric brachial plexus injury (OBPI) patients, who underwent triangle tilt surgery between February 2005 and January 2008. Methods: Twenty two children (9 girls and 13 boys, mean age at surgery was 5.8 years; ranging 2.1-11.8 years old), who initially presented with medial rotation contracture and scapula deformity secondary to obstetric brachial plexus injury were included in this study. Functional movements were evaluated pre-operatively, and 5 years following triangle tilt surgery by modified Mallet scale. Results: Here, we report long-term (5 years) follow-up of triangle tilt surgery for 22 OBPI patients. Upper extremity functional movements such as, external rotation (2.5±0.6 to 4.1±0.8, p<0.0001), hand-to-spine (2.6±0.6 to 3.4±1.1, p<0.005), hand-to-neck (2.7±0.7 to 4.3±0.7, p<0.0001), hand-to-mouth (2.3±0.9 (92º±33) to 4.2±0.5 (21º±16), p<0.0001), and supination (2.6±1.1 (-8.2º ±51) to 4.1±0.7 (61±32)) were significantly improved (p<0.0001), and maintained over the extended long-term (5 years). Total modified Mallet functional score was also shown to improve from 14.1±2.7 to 20.3±2.5. Conclusions: The triangle tilt surgery improved all shoulder functions significantly, and maintained over the extended long-term (5 years) in these patients.
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Affiliation(s)
- Rahul K Nath
- Texas Nerve and Paralysis Institute, 6400 Fannin Street, Houston, Texas, 77030, USA
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Langer JS, Sueoka SS, Wang AA. The importance of shoulder external rotation in activities of daily living: improving outcomes in traumatic brachial plexus palsy. J Hand Surg Am 2012; 37:1430-6. [PMID: 22652182 DOI: 10.1016/j.jhsa.2012.04.011] [Citation(s) in RCA: 40] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/02/2011] [Revised: 04/04/2012] [Accepted: 04/05/2012] [Indexed: 02/02/2023]
Abstract
PURPOSE To define the importance of shoulder external rotation in activities of daily living in normal individuals to better understand how restoration of shoulder external rotation in traumatic brachial plexus palsy could improve patient function. METHODS Thirty-one normal individuals performed 12 common activities of daily living (ADLs) wearing a custom shoulder orthosis designed to selectively limit shoulder external rotation to 3 different settings, ranging from 0° (most restrictive) to 90° (least restrictive) of external rotation. Outcomes were measured with a visual analog scale of perceived difficulty in accomplishing the ADLs with each orthosis setting and the Disabilities of the Arm, Shoulder, and Hand questionnaire administered after each set of 12 ADLs was completed. RESULTS Subjects perceived increasing difficulty during all ADLs tested and registered higher disability scores with increasing restriction of shoulder external rotation. The ADLs requiring motions predominantly above the waist exhibited more marked and earlier changes in visual analog scale scores with increasing shoulder external rotation restriction. CONCLUSIONS Traditionally, surgeons have pursued restoration of shoulder abduction and forward elevation in secondary reconstruction of traumatic brachial plexus injuries. Recently, the concept of preferentially restoring shoulder external rotation has been proposed, without clear evidence in the literature of the role of shoulder external rotation in ADLs. CLINICAL RELEVANCE Our results support the notion that restoring shoulder external rotation in the treatment of traumatic brachial plexus palsy patients might improve outcomes by decreasing patient disability and increasing the ability to perform ADLs.
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Affiliation(s)
- Jakub S Langer
- Department of Orthopaedic Surgery and Hand Therapy, University of Utah, Salt Lake City, UT 84108, USA
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Vilaça PR, Uezumi MK, Zoppi Filho A. Centering osteotomy for treatment of posterior shoulder dislocation in obstetrical palsy. Orthop Traumatol Surg Res 2012; 98:199-205. [PMID: 22342551 DOI: 10.1016/j.otsr.2011.09.019] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/12/2011] [Revised: 08/09/2011] [Accepted: 09/19/2011] [Indexed: 02/02/2023]
Abstract
BACKGROUND The main objective of this study is to describe a new surgical technique that, through a gleno-humeral approach, reduces the incongruent joint while a humeral head centering osteotomy achieves shoulder stabilization. A humeral medial derotational osteotomy is performed associated with the articular reduction. PATIENTS AND METHODS Fourteen patients with obstetrical palsy presenting a posterior humeral head dislocation were submitted to a centering osteotomy procedure. Our study included patients with: (1) more than 1.5 years postoperative follow-up, (2) presence of humeral head posterior dislocation. The exclusion criteria were the following: (1) patients with total flaccid paralysis, (2) low paralysis and (3) any kind of active infection at the time of the procedure. RESULTS Before treatment, in all patients, the shoulder joint was posteriorly dislocated and in internal rotation. All patients went on to have successful healing at the osteotomy site. In all cases, an improvement in the functional Mallet scale was observed. In all patients, except one, the posterior dislocation was corrected. In two cases, a second surgery (external derotation osteotomy) was performed to improve the upper extremity's position. CONCLUSIONS Articular congruency, after posterior dislocations of the humeral head, is achieved by humeral head centering osteotomy in patients with obstetrical palsy late deformities and also improves function. LEVEL OF EVIDENCE Level IV; case series.
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Affiliation(s)
- P R Vilaça
- Shoulder and Elbow Group, Associação Beneficente Nossa Senhora do Pari, Hospital do Pari, Rua Hannemann, 234 São Paulo, SP, Brazil.
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A Rare Complication of Tuberculous Meningitis Pediatric Anterior Glenohumeral Instability. Case Rep Orthop 2012; 2012:385782. [PMID: 23320228 PMCID: PMC3534204 DOI: 10.1155/2012/385782] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/14/2012] [Accepted: 11/27/2012] [Indexed: 12/04/2022] Open
Abstract
Dislocation and instability of the shoulder joint are rare occurrences in childhood. Traumatic, infectious, congenital, and neuromuscular causes of pediatric recurrent shoulder dislocations are reported before. Central nervous system infection in infancy may be a reason for shoulder instability during childhood. This situation, which causes a disability for children, can be treated successfully with arthroscopic stabilization of the shoulder and postoperative effective rehabilitation protocols. Tuberculous meningitis may be a reason for neuromuscular shoulder instability. We describe a 12-year-old child with a recurrent anterior instability of the shoulder, which developed after tuberculous meningitis at 18 months of age. We applied arthroscopic treatment and stabilized the joint.
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Nath RK, Avila MB, Karicherla P, Somasundaram C. Assessment of triangle tilt surgery in children with obstetric brachial plexus injury using the pediatric outcomes data collection instrument. Open Orthop J 2011; 5:385-8. [PMID: 22216072 PMCID: PMC3249689 DOI: 10.2174/1874325001105010385] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/20/2011] [Revised: 11/03/2011] [Accepted: 11/03/2011] [Indexed: 01/19/2023] Open
Abstract
Background: The benefits of triangle tilt surgery in children with OBPI have been previously validated through measurements of statistical improvements in Mallet scores and in glenohumeral congruity. The purpose of the current study was to evaluate the effectiveness of triangle tilt surgery through the application of the Pediatric Outcomes Data Collection Instrument, a well validated questionnaire designed to evaluate function and comfort in children with musculoskeletal disorders. Methods: OBPI patients between 2 and 10 years of age who came to our institute for routine office visits between May 2009 and October 2009 were considered to participate in the study. Among the patient group, the first 130 completed surveys who met the study criteria were included in the study. The Pediatric Outcomes Data Collection Instrument was completed by the parents of patients who have undergone triangle tilt surgery (Group 1: N=63) or those who were considered candidates for this procedure (Group 2: N=67). The results were compared between the two patient groups and analyzed using the unpaired student’s t-test. Later, 23 patients from the group 2, underwent triangle tilt surgery (Group 3). We collected post-op data, compared and analyzed the outcome of the surgery in these patients to their own pre-op PODCI scores, using the paired student’s t test. Results: In patients who have undergone triangle tilt surgery, significantly higher PODCI scores were observed in the parameters of upper extremity function (p<0.05), sports/physical function (p<0.05), basic mobility (p<0.0001) and global functioning (p<0.05), when compared to patients who have not undergone triangle tilt surgery. Further, PODCI scores in group 3 patients were significantly higher after surgery in the parameters of upper extremity function (p <0.03), Pain/Comfort (p <0.05), basic mobility (p<0.0002) and global functioning (p<0.03), when compared to before triangle tilt surgery. Conclusion: The results of the Pediatric Outcomes Data Collection Instrument demonstrate the functional benefits of triangle tilt surgery in patients with obstetric brachial plexus injury.
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Affiliation(s)
- Rahul K Nath
- Texas Nerve and Paralysis Institute, 6400 Fannin Street, Houston, Texas 77030, USA
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Ozben H, Atalar AC, Bilsel K, Demirhan M. Transfer of latissmus dorsi and teres major tendons without subscapularis release for the treatment of obstetrical brachial plexus palsy sequela. J Shoulder Elbow Surg 2011; 20:1265-74. [PMID: 21444219 DOI: 10.1016/j.jse.2011.01.004] [Citation(s) in RCA: 26] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/17/2010] [Revised: 12/23/2010] [Accepted: 01/01/2011] [Indexed: 02/01/2023]
Abstract
BACKGROUND Patients with obstetrical brachial plexus palsy (OBPP) sequela exhibit adduction and internal rotation contractures. The muscular imbalance may result in secondary bony changes. Tendon transfers and muscular releases may improve shoulder function in these patients. The aim of this study is to evaluate the functional and radiological results of pectoralis major tendon Z-plasty with transfer of latissimus dorsi and teres major tendons to rotator cuff tendons without release of subscapularis muscle in patients with mild sequela of OBPP. MATERIALS AND METHODS Twenty-six consecutive patients, who were treated with tendon transfer and met the eligibility criteria, were included in the study. No additional humeral osteotomy or subscapularis tenotomy was performed. Functional evaluation is made according to range of motion and Mallet scoring system. Preoperative radiologic evaluation was made according to the grading system of Waters. RESULTS A significant increase in shoulder function was found in all patients. Postoperative radiographs revealed glenohumeral congruity was maintained in all patients. Improvement in shoulder abduction and external rotation was higher in patients who were operated before the age of 7. DISCUSSION/CONCLUSION Pectoralis major tendon lengthening with transfer of latissimus dorsi and teres major tendons to rotator cuff is an effective and reproducible technique and can improve shoulder functions in patients with OBPP. Subscapularis release is not always required to overcome internal rotation contracture. Secondary glenohumeral changes might also be prevented with this approach.
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Affiliation(s)
- Hakan Ozben
- Department of Orthopaedics and Traumatology, Istanbul University, Istanbul Medical Faculty, Istanbul, Turkey
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Pöyhiä T, Lamminen A, Peltonen J, Willamo P, Nietosvaara Y. Treatment of shoulder sequelae in brachial plexus birth injury. Acta Orthop 2011; 82:482-8. [PMID: 21657969 PMCID: PMC3237041 DOI: 10.3109/17453674.2011.588855] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.0] [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 Many children with permanent brachial plexus birth injury (BPBI) develop shoulder problems, with subsequent joint deformity without treatment. We assessed the indications and outcome of shoulder operations for BPBI. PATIENTS AND METHODS 31 BPBI patients who had undergone a shoulder operation in our hospital between March 2002 and December 2005 were included in the study. Relocation of the humeral head had been performed in 13 patients, external rotation osteotomy of the humerus in 5 patients, subscapular tendon lengthening in 5 patients, and teres major transposition in 8 patients. Subjective results were registered. Shoulder range of motion was measured, and function assessed according to the Mallet scale. Magnetic resonance imaging (MRI) was performed pre- and postoperatively. Glenoscapular angle (GSA) and percentage of humeral head anterior to the middle of the glenoid fossa (PHHA) were measured. Congruency of the glenohumeral joint (GHJ) was estimated. The mean follow-up time was 3.8 (1.7-6.8) years. RESULTS At follow-up, the subjective result was satisfactory in 30 of the 31 patients. There were 4 failures, which in retrospect were due to wrong choice of surgical method in 3 of these 4 patients. Mean increase in Mallet score was 5.5 after successful relocation, 1.4 after rotation osteotomy, 2.2 after subscapular tendon lengthening, and 3.1 after teres major transposition. Congruency of the shoulder joint improved in 10 of 13 patients who had undergone a relocation operation, with mean improvement in GSA of 33º and mean increase in PHHA of 25%. There were no substantial changes in congruency of the glenohumeral joint in patients treated with other operation types. INTERPRETATION Restriction of the range of motion and malposition of the glenohumeral joint can be improved surgically in brachial plexus birth injury. Remodeling of the joint takes place after successful relocation of the humeral head in young patients.
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Affiliation(s)
| | | | - Jari Peltonen
- Department of Surgery, Hospital for Children and Adolescents
| | - Patrick Willamo
- Physiotherapy, Hospital for Children and Adolescents, Helsinki University Central Hospital, Helsinki, Finland
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Thatte MR, Agashe MV, Rao A, Rathod CM, Mehta R. Clinical outcome of shoulder muscle transfer for shoulder deformities in obstetric brachial plexus palsy: A study of 150 cases. Indian J Plast Surg 2011; 44:21-8. [PMID: 21713212 PMCID: PMC3111117 DOI: 10.4103/0970-0358.81441] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022] Open
Abstract
Background: Residual muscle weakness, cross-innervation (caused by misdirected regenerating axons), and muscular imbalance are the main causes of internal rotation contractures leading to limitation of shoulder joint movement, glenoid dysplasia, and deformity in obstetric brachial plexus palsy. Muscle transfers and release of antagonistic muscles improve range of motion as well as halt or reverse the deterioration in the bony architecture of the shoulder joint. The aim of our study was to evaluate the clinical outcome of shoulder muscle transfer for shoulder abnormalities in obstetric brachial plexus palsy. Materials and Methods: One hundred and fifty patients of obstetric brachial plexus palsy with shoulder deformity underwent shoulder muscle transfer along with anterior shoulder release at our institutions from 1999 to 2007. Shoulder function was assessed both preoperatively and postoperatively using aggregate modified Mallet score and active and passive range of motion. The mean duration of follow-up was 4 years (2.5–8 years). Results: The mean preoperative abduction was 45° ± 7.12, mean passive external rotation was 10° ± 6.79, the mean active external rotation was 0°, and the mean aggregate modified Mallet score was 11.2 ± 1.41. At a mean follow-up of 4 years (2.5–8 years), the mean active abduction was 120° ± 18.01, the mean passive external rotation was 80° ± 10.26, while the mean active external rotation was 45° ± 3.84. The mean aggregate modified Mallet score was 19.2 ± 1.66. Conclusions: This procedure can thus be seen as a very effective tool to treat internal rotation and adduction contractures, achieve functional active abduction and external rotation, as well as possibly prevent glenohumeral dysplasia, though the long-term effects of this procedure may still have to be studied in detail clinico-radiologically to confirm this hypothesis. Level of evidence: Therapeutic level IV
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Affiliation(s)
- Mukund R Thatte
- Department of Reconstructive and Plastic Surgery, Bai Jerbai Hospital for Children, Mumbai, India
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Terzis JK, Barmpitsioti A. Secondary shoulder reconstruction in patients with brachial plexus injuries. J Plast Reconstr Aesthet Surg 2011; 64:843-53. [DOI: 10.1016/j.bjps.2010.12.015] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/21/2010] [Revised: 10/15/2010] [Accepted: 12/28/2010] [Indexed: 10/18/2022]
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Kirjavainen MO, Nietosvaara Y, Rautakorpi SM, Remes VM, Pöyhiä TH, Helenius IJ, Peltonen JI. Range of motion and strength after surgery for brachial plexus birth palsy. Acta Orthop 2011; 82:69-75. [PMID: 21142823 PMCID: PMC3230000 DOI: 10.3109/17453674.2010.539499] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.8] [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 There is little information about the range of motion (ROM) and strength of the affected upper limbs of patients with permanent brachial plexus birth palsy. PATIENTS AND METHODS 107 patients who had brachial plexus surgery in Finland between 1971 and 1998 were investigated in this population-based, cross-sectional, 12-year follow-up study. During the follow-up, 59 patients underwent secondary procedures. ROM and isometric strength of the shoulders, elbows, wrists, and thumbs were measured. Ratios for ROM and strength between the affected and unaffected sides were calculated. RESULTS 61 patients (57%) had no active shoulder external rotation (median 0° (-75-90)). Median active abduction was 90° (1-170). Shoulder external rotation strength of the affected side was diminished (median ratio 28% (0-83)). Active elbow extension deficiency was recorded in 82 patients (median 25° (5-80)). Elbow flexion strength of the affected side was uniformly impaired (median ratio 43% (0-79)). Median active extension of the wrist was 55° (-70-90). The median ratio of grip strength for the affected side vs. the unaffected side was 68% (0-121). Patients with total injury had poorer ROM and strength than those with C5-6 injury. Incongruity of the radiohumeral joint and avulsion were associated with poor strength values. INTERPRETATION ROM and strength of affected upper limbs of patients with surgically treated brachial plexus birth palsy were reduced. Patients with avulsion injuries and/or consequent joint deformities fared worst.
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Affiliation(s)
- Mikko O Kirjavainen
- 1Department of Orthopedsics and Traumatology and Hospital for Children and Adolescents, Helsinki University Central Hospital
| | | | | | - Ville M Remes
- 1Department of Orthopedsics and Traumatology and Hospital for Children and Adolescents, Helsinki University Central Hospital
| | - Tiina H Pöyhiä
- 3Department of Orthopedics and Traumatology, Turku University Central Hospital, Turku
| | - Ilkka J Helenius
- 4Department of Orthopedics and Traumatology, Helsinki University Central Hospital, Finland
| | - Jari I Peltonen
- 2Helsinki Medical Imaging Center, University of Helsinki, Helsinki
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Ezaki M, Malungpaishrope K, Harrison RJ, Mills JK, Oishi SN, Delgado M, Bush PA, Browne RH. Onabotulinum toxinA injection as an adjunct in the treatment of posterior shoulder subluxation in neonatal brachial plexus palsy. J Bone Joint Surg Am 2010; 92:2171-7. [PMID: 20844159 DOI: 10.2106/jbjs.i.00499] [Citation(s) in RCA: 44] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/01/2023]
Abstract
BACKGROUND Botulinum toxin A is used to treat contractures in children with spasticity by temporarily interfering with neural transmission at the motor end plate. In infants with brachial plexus palsy, posterior shoulder subluxation and dislocation are the result of muscle imbalance, in which neurologic recovery is evolving, and spasticity is not a deforming force. We postulated that temporary weakening of the shoulder internal rotator muscles with botulinum toxin A would facilitate reduction of the glenohumeral joint in such infants with early posterior shoulder subluxation or dislocation. METHODS Thirty-five infants with posterior subluxation or dislocation of the shoulder due to brachial plexus palsy were treated with botulinum toxin A between January 1999 and December 2006, and were followed for a minimum period of one year. Records were reviewed for the severity of the palsy, age at time of treatment, recurrence of subluxation or dislocation, and the subsequent need for further treatment to reduce the glenohumeral joint. RESULTS The average age at the time of shoulder reduction and botulinum toxin-A injection was 5.7 months. Six patients had a second injection. Reduction of the shoulder was maintained in twenty-four (69%) of the thirty-five patients. There were no complications related to the use of botulinum toxin A. CONCLUSIONS Although there may be specific risks associated with its use, botulinum toxin-A injection into the internal rotator muscles is a useful adjunct to the treatment of early posterior subluxation or dislocation of the shoulder in infants with neonatal brachial plexus palsy, and may help to avoid the need for open surgical procedures to restore or maintain shoulder reduction.
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Affiliation(s)
- Marybeth Ezaki
- Texas Scottish Rite Hospital for Children, 2222 Welborn Street, Dallas, TX 75219, USA.
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Triangle tilt surgery as salvage procedure for failed shoulder surgery in obstetric brachial plexus injury. Pediatr Surg Int 2010; 26:913-8. [PMID: 20668864 PMCID: PMC2923723 DOI: 10.1007/s00383-010-2673-7] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 07/15/2010] [Indexed: 01/01/2023]
Abstract
PURPOSE The study was conducted to review the effects of triangle tilt surgery in children with OBPI (obstetric brachial plexus injury) who had previously undergone several operative procedures at other hospitals before presenting at our institute. METHODS The study included a group of 48 OBPI patients who had undergone previous operative procedures at outside hospitals by other surgeons. Patients were assessed for shoulder function using their radiological reports and the modified Mallet functional scale. The same patients underwent the triangle tilt procedure at our institution and were re-evaluated for shoulder function. RESULTS The results of the study showed an increase in Mallet scores from 11.88 points to 15.17 points (p < 0.01), improvement in PHHA (percentage of humeral head anterior to the glenoid) from 14% to 25% (p < 0.05), enhancement in glenoid version from -32 degrees to -25 degrees (p < 0.01), and a decrease in the SHEAR (scapular hypoplasia, elevation, and rotation) deformity after surgery. CONCLUSION The data obtained demonstrated that the triangle tilt procedure significantly enhanced shoulder function and glenohumeral congruity in these patients as evidenced by the improvements in Mallet scores, PHHA, glenoid version, and SHEAR deformity.
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Brachial plexus birth palsy shoulder deformity treatment using subscapularis release combined to tendons transfer. Orthop Traumatol Surg Res 2010; 96:334-9. [PMID: 20452851 DOI: 10.1016/j.otsr.2010.02.004] [Citation(s) in RCA: 28] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/06/2008] [Revised: 01/19/2010] [Accepted: 02/02/2010] [Indexed: 02/02/2023]
Abstract
INTRODUCTION One possible sequela of obstetric brachial plexus palsy (OP) is impaired external rotation (ER) of the shoulder which, in addition to its functional consequences, can generate a posterior humeral head subluxation or dislocation. The goal of the present study was to assess medium-term clinical and radiological results of release of the subscapularis muscle with transfer of the latissimus dorsi and teres major muscles. PATIENTS AND METHODS From 1985 to 1995, a continuous series of 32 OP patients underwent subscapularis muscle release, associated in 24 cases to muscle transfer. Mean age was 2.5 years (range, 1-9.2 years). Shoulder function was assessed by measurement of passive ER and graded according to the modified Mallet classification at 1, 5 and 10 years' follow-up or before revision. The evolution of the glenohumeral deformity was assessed on CT images of glenoid retroversion and the humeral head subluxation (% of humeral head covered), before and 5 years after surgery. RESULTS Mean postoperative follow-up was 9.5+/-5.6 years. Treatment brought significant improvement in passive ER (mean preoperative and 1-year follow-up values: -10 degrees and 52 degrees, respectively). This explained the good modified Mallet score at 1 year: mean=18.4/25. Subsequent significant progressive degradation was noted: 10 years postoperatively, mean ER amplitude and modified Mallet score were respectively 13 degrees and 15.8. The CT study showed correction of the glenoid retroversion (mean preoperative and 5-year follow-up values: 29 degrees and 18 degrees, respectively), and of the humeral head subluxation (mean preoperative and 5-year follow-up values: 25 and 39%, respectively). Surgical revision was indicated six times (five patients): two latissimus dorsi and teres major transfers (not performed initially) and four derotational humeral osteotomies. Three-quarters of the patients who did not initially have muscle transfer had to be reoperated or else showed ER insufficiency at last follow-up. DISCUSSION AND CONCLUSION Surgical treatment produces objective functional gain, even if this diminishes over time. Moreover, it prevents or corrects posterior subluxation of the shoulder. It is indicated when passive ER amplitude is negative. It seems advisable to associate release to muscle transfer. LEVEL OF EVIDENCE Level IV Retrospective study.
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Nath RK, Liu X, Melcher SE, Fan J. Long-term outcomes of triangle tilt surgery for obstetric brachial plexus injury. Pediatr Surg Int 2010; 26:393-9. [PMID: 20130887 PMCID: PMC2841265 DOI: 10.1007/s00383-010-2550-4] [Citation(s) in RCA: 13] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 01/14/2010] [Indexed: 12/12/2022]
Abstract
AIM The purpose of this study was to evaluate long-term shoulder functional outcomes from a triangle tilt procedure on obstetric patients, who initially presented with medial rotation contracture and scapular deformity secondary to obstetric brachial plexus injury. METHODS We retrospectively studied long-term outcomes both functionally and anatomically in 61 patients (age ranging from 2 to 12 years). Functional movements were evaluated and scored using a modified Mallet scale at different time intervals: preoperatively, 1 year and 2 year following triangle tilt surgery. Shoulder anatomy was examined on radiologic images to evaluate the severity of shoulder deformities preoperatively and anatomical improvement after the surgery. RESULTS All shoulder functional movements were significantly improved at 1 and 2 year follow-ups. Functional improvements were maintained in shoulder abduction, external rotation and hand-to-mouth movements beyond the first year, and continued in hand-to-neck and hand-to-spine movements past 2 years. Remarkable glenohumeral remodeling or reservation of glenoid congruence was observed in all patients over a mean time of 27 months postoperatively. CONCLUSION The triangle tilt procedure, which addresses scapular and glenohumeral joint abnormalities characteristic of Erb's palsy, improves shoulder functional movements and anatomical structure in patients over the long-term.
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Affiliation(s)
- Rahul K Nath
- Texas Nerve and Paralysis Institute, Houston, USA.
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Current concepts in the management of brachial plexus birth palsy. J Hand Surg Am 2010; 35:322-31. [PMID: 20141905 DOI: 10.1016/j.jhsa.2009.11.026] [Citation(s) in RCA: 155] [Impact Index Per Article: 11.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/10/2009] [Accepted: 11/27/2009] [Indexed: 02/02/2023]
Abstract
Brachial plexus birth palsy, although rare, may result in substantial and chronic impairment. Physiotherapy, microsurgical nerve reconstruction, secondary joint corrections, and muscle transpositions are employed to help the child maximize function in the affected upper extremity. Many present controversies regarding natural history, microsurgical treatment, and secondary shoulder reconstructive surgery remain unresolved in infants with brachial plexus birth palsies. Recent literature has enhanced our understanding of the pathoanatomy and natural history of the injury as well as the surgical indications, expected outcomes, and complications; this literature has led to improved care of these patients. Based on the present evidence, recommendations for both microsurgery and shoulder reconstruction with tendon transfer and arthroscopic and open reductions are presented.
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Shoulder function and anatomy in complete obstetric brachial plexus palsy: long-term improvement after triangle tilt surgery. Childs Nerv Syst 2010; 26:1009-19. [PMID: 20473676 PMCID: PMC2903705 DOI: 10.1007/s00381-010-1174-2] [Citation(s) in RCA: 13] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/30/2010] [Accepted: 05/03/2010] [Indexed: 12/20/2022]
Abstract
PURPOSE Untreated complete obstetric brachial plexus injury (COBPI) usually results in limited spontaneous recovery of shoulder function. Older methods used to treat COBPI have had questionable success, with very few studies being published. The purpose of the current study was to examine the results of triangle tilt surgery on shoulder function and development in COBPI individuals. METHODS This study was conducted as a retrospective chart review. Inclusion criteria were COBPI patients that had undergone the triangle tilt procedure from 2005 to 2009 and were between the ages of 9 months and 12 years. COBPI was defined as permanent injury to all five nerve roots (C5-T1), with significant degradation in development and function of the hand. Twenty-five patients with a mean age of 5 (0.75-12) years were followed up clinically for more than 2 years. RESULTS The triangle tilt procedure resulted in demonstrable clinical enhancements with appreciable improvements in shoulder function, glenoid version, and humeral head congruity. There was a significant increase in the overall Mallet score (2.4 points, p < 0.0001) following surgical correction in patients that were followed up for more than 2 years. CONCLUSIONS The results of this study demonstrate that COBPI patients who develop SHEAR and medial rotation contracture deformities can benefit from the triangle tilt surgery, which improves shoulder function and anatomy across a range of pediatric ages. Despite these patients presenting late for surgery in general (5 years), significant improvements were observed in their glenohumeral (GH) dysplasia and their ability to perform shoulder and arm movements following surgery.
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Fitoussi F, Maurel N, Diop A, Laassel EM, Ilharreborde B, Presedo A, Mazda K, Penneçot GF. Upper extremity kinematics analysis in obstetrical brachial plexus palsy. Orthop Traumatol Surg Res 2009; 95:336-42. [PMID: 19559664 DOI: 10.1016/j.otsr.2009.04.012] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/27/2008] [Accepted: 04/08/2009] [Indexed: 02/02/2023]
Abstract
INTRODUCTION Several recent studies demonstrate that upper extremities kinematics analysis is in increasing use to assist clinical practice. We describe an upper limb kinematics analysis protocol that was first applied to a group of healthy children (to obtain normative data), and subsequently, to a child presenting with obstetrical brachial plexus palsy (OBPP) before and after surgical treatment. MATERIALS AND METHODS The protocol is based on two very simple tasks. Reflective markers are placed on the studied segments, and optoelectronic cameras three-dimensionally record the position of the markers during the course of movement. The data, collected by a Vicon system (Oxford Metrics Ltd., Oxford, UK), are analyzed by a dedicated software; this software provides coefficient of multiple correlation (CMC) for the comparison of different kinematics curves and motion amplitudes. A CMC above 0.95 was considered to be excellent, between 0.85 and 0.95 was good, and below 0.85 was poor. Twelve healthy children, average age 9.7 years (from 7 to 14 years), were analyzed. A 7-year-old patient presenting left OBPP was similarly analyzed, pre- and postoperatively, after a lateral rotation osteotomy of the humerus. RESULTS The analysis of the 12 healthy children established a kinematics corridor for each task and each angle considered. Analysis of the pathological patient revealed kinematics anomalies during movement which went undetected at simple clinical examination. CMC analysis after treatment showed improvement of all movements around the shoulder, going from "poor" preoperatively to "excellent" postoperatively. Amplitudes analysis similarly demonstrated postoperative improvement, which increased from 28 to 67% according to the rotations considered, around the shoulder and elbow. The interest in these results should be confirmed by studies in a larger number of patients. DISCUSSION Upper extremity kinematics analysis is increasingly utilized in current clinical practice. Although many problems occur because of the non-cyclical and non-automatic nature of movement, review of the literature and our preliminary results show that reproducibility is satisfactory. Interest in our work arises from helping develop a preoperative evaluation tool (providing a more global view of abnormalities) as well as a postoperative assessment one (for the quantification of movement gains obtained by surgery after humeral osteotomy). LEVEL OF EVIDENCE Level IV. Diagnostic retrospective study.
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Affiliation(s)
- F Fitoussi
- Pediatric Orthopaedics Department, Robert-Debré Hospital, 48, boulevard Sérurier, 75019 Paris, France.
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Abstract
Traction injury to the brachial plexus sustained during the birth process that results in impaired neuromuscular function of the upper extremity continues to occur despite advances in modern obstetric care. The most common pattern of injury usually results in motor weakness of shoulder external rotation, leading to internal rotation contractures and subsequent deformity of the skeletally immature glenohumeral joint. Understanding of these deformities and effective surgical intervention have advanced greatly over the past decade. Restoration of balance between internal and external rotation forces around the shoulder has great potential for remodeling of the glenohumeral joint in the young child. Arthroscopic-directed release of the contracture, with select use of latissimus dorsi transfer to provide external rotation power, has proved to be effective for many children with these contractures.
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Nath RK, Somasundaram C, Melcher SE, Bala M, Wentz MJ. Arm rotated medially with supination - the ARMS variant: description of its surgical correction. BMC Musculoskelet Disord 2009; 10:32. [PMID: 19291305 PMCID: PMC2664782 DOI: 10.1186/1471-2474-10-32] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/29/2008] [Accepted: 03/16/2009] [Indexed: 12/20/2022] Open
Abstract
BACKGROUND Patients who have suffered obstetric brachial plexus injury (OBPI) have a high incidence of musculoskeletal complications stemming from the initial nerve injury. The presence of muscle imbalances and contractures leads to typical bony changes affecting the shoulder, including the SHEAR (Scapular Hypoplasia, Elevation and Rotation) deformity. The SHEAR deformity commonly occurs in conjunction with Medial Rotation Contracture (MRC) of the arm. OBPI also causes muscle imbalances at the level of the forearm, that lead to a fixed supination deformity (SD) in a small number of patients. Both MRC and SD will cause severe functional limitations without surgical intervention. METHODS Fourteen OBPI patients were diagnosed with MRC of the shoulder and SD of the forearm along with SHEAR deformity during a 16 month study period, with eight patients available to long-term follow-up (age range 2.2 - 18 years). Surgical correction of the MRC was performed as a triangle tilt or humeral osteotomy depending on the age of the child, after which, the patients were treated with a radial osteotomy to correct the fixed supination deformity. Function was assessed using the modified Mallet scale, examination of apparent supination and appearance of the extremity at rest. RESULTS Significant functional improvements were observed in patients with surgical reconstruction. Mallet score increased by an average of 5.2 (p < 0.05). Overall forearm position was not significantly changed from an average of 5 degrees to an average of 34 degrees maximum apparent supination after both shoulder rotation and forearm rotation corrective surgeries. CONCLUSION The simultaneous presence of two opposing deformities in the same limb will visually offset each other at the level of the wrist and hand, giving the false impression of neutral positioning of the limb. In reality, the neutral-appearing position of the hand indicates a fixed supination posture of the forearm in the face of a medial rotation contracture of the shoulder. Both of these deformities require surgical attention, and the presence of concurrent MRC and SD should be monitored for in OBPI patients.
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Affiliation(s)
- Rahul K Nath
- Texas Nerve and Paralysis Institute, Houston, TX, USA.
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Outcomes of Secondary Shoulder Reconstruction in Obstetrical Brachial Plexus Palsy. Plast Reconstr Surg 2008; 122:1812-1822. [DOI: 10.1097/prs.0b013e31818cc1fc] [Citation(s) in RCA: 21] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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Waters PM, Bae DS. The early effects of tendon transfers and open capsulorrhaphy on glenohumeral deformity in brachial plexus birth palsy. J Bone Joint Surg Am 2008; 90:2171-9. [PMID: 18829915 DOI: 10.2106/jbjs.g.01517] [Citation(s) in RCA: 78] [Impact Index Per Article: 4.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/01/2023]
Abstract
BACKGROUND Persistent muscle imbalance and soft-tissue contractures can lead to progressive glenohumeral joint dysplasia in patients with brachial plexus birth palsy. The objective of the present investigation was to determine the effects of tendon transfers and open glenohumeral reduction on shoulder function and dysplasia in patients with preexisting joint deformity secondary to brachial plexus birth palsy. METHODS Twenty-three patients with preexisting glenohumeral deformity underwent latissimus dorsi and teres major tendon transfers to the rotator cuff with concomitant musculotendinous lengthening of the pectoralis major and/or subscapularis and open glenohumeral joint reduction for the treatment of internal rotation contracture and external rotation weakness. Shoulder function was assessed with use of the modified Mallet classification system and the Active Movement Scale. Glenoid version and humeral head subluxation were quantified radiographically, and glenohumeral deformity was appropriately graded. The mean duration of clinical and radiographic follow-up was thirty-one and twenty-five months, respectively. RESULTS Clinically, all patients demonstrated improved global shoulder function, with the mean aggregate Mallet score improving from 10 points preoperatively to 18 points postoperatively (p < 0.01). The mean modified Mallet score for external rotation improved from 2 to 4 (p < 0.01). Similarly, the mean Active Movement Scale score for external rotation improved from 3 to 6 (p < 0.01). The mean Mallet hand-to-spine score improved from 1 to 2 (p < 0.01). The mean Active Movement Scale score for internal rotation remained constant at 6. Radiographically, the mean glenoid version improved from -39 degrees preoperatively to -18 degrees postoperatively (p < 0.01). The mean percentage of the humeral head anterior to the middle of the glenoid similarly improved from 13% to 38% (p < 0.01). The mean glenohumeral deformity score improved from 3 to 2 (p < 0.01). Nineteen (83%) of the twenty-three patients demonstrated glenohumeral remodeling; one patient had progressive worsening of glenohumeral deformity. CONCLUSIONS Tendon transfers to the rotator cuff, combined with musculotendinous lengthenings and open reduction of the glenohumeral joint, improve global shoulder function and lead to glenohumeral joint remodeling in the majority of selected patients with mild-to-moderate preexisting glenohumeral dysplasia secondary to brachial plexus birth palsy. Future study of the long-term outcomes of these procedures will help to clarify the ultimate effect on glenohumeral joint function. LEVEL OF EVIDENCE Therapeutic Level IV. See Instructions to Authors for a complete description of levels of evidence.
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Affiliation(s)
- Peter M Waters
- Department of Orthopaedic Surgery, Children's Hospital Boston, Boston, MA 02115, USA.
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Abstract
OBJECTIVES In this retrospective review, the methods and outcomes in 96 children (98 extremities) with obstetric brachial plexus palsy who underwent primary reconstruction and/or palliative surgery for shoulder function were analysed. METHODS Thirty cases underwent primary reconstruction alone, 37 underwent both primary and secondary procedures, and 31 late cases underwent only palliative surgery. The mean follow-up period was 6.7 years. RESULTS The mean shoulder abduction increased from 48 degrees +/-32 degrees preoperatively to 123 degrees +/-35 degrees postoperatively (average gain 75 degrees ); the mean active external rotation with the arm at the side increased from -19 degrees +/-17 degrees to 62 degrees +/-21 degrees (mean gain 81 degrees ); and the mean aggregate Mallet score improved from 8.8 points to 20.9 points, respectively. CONCLUSIONS Reconstruction of both axillary and suprascapular nerves yielded improved outcomes of shoulder abduction and external rotation. Early plexus reconstruction (<or=3 months) offered the best functional results and reduced the need for secondary reconstructions. A marked improvement was observed after palliative surgery irrespective of prior nerve reconstruction. Rerouting of latissimus dorsi and/or teres major tendons, combined with extra-articular musculotendinous lengthening, significantly improved global shoulder function.
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Affiliation(s)
- Julia K Terzis
- Department of Surgery, Division of Plastic and Reconstructive Surgery, Eastern Virginia Medical School, LH 2055, Norfolk, VA 23501, USA.
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Nath RK, Lyons AB, Melcher SE, Paizi M. Surgical correction of the medial rotation contracture in obstetric brachial plexus palsy. ACTA ACUST UNITED AC 2007; 89:1638-44. [DOI: 10.1302/0301-620x.89b12.18757] [Citation(s) in RCA: 32] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Abstract
The medial rotation contracture caused by weak external rotation secondary to obstetric brachial plexus injury leads to deformation of the bones of the shoulder. Scapular hypoplasia, elevation and rotation deformity are accompanied by progressive dislocation of the humeral head. Between February and August 2005, 44 children underwent a new surgical procedure called the ‘triangle tilt’ operation to correct this bony shoulder deformity. Surgical levelling of the distal acromioclavicular triangle combined with tightening of the posterior glenohumeral capsule (capsulorrhaphy) improved shoulder function and corrected the glenohumeral axis in these patients. The posture of the arm at rest was improved and active external rotation increased by a mean of 53° (0° to 115°) in the 40 children who were followed up for more than one year. There was a mean improvement of 4.9 points (1.7 to 8.3) of the Mallet shoulder function score after surgical correction of the bony deformity.
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Affiliation(s)
- R. K. Nath
- Texas Nerve and Paralysis Institute, 2201 W. Holcombe Boulevard, Houston, Texas 77030, USA
| | - A. B. Lyons
- Texas Nerve and Paralysis Institute, 2201 W. Holcombe Boulevard, Houston, Texas 77030, USA
| | - S. E. Melcher
- Texas Nerve and Paralysis Institute, 2201 W. Holcombe Boulevard, Houston, Texas 77030, USA
| | - M. Paizi
- Texas Nerve and Paralysis Institute, 2201 W. Holcombe Boulevard, Houston, Texas 77030, USA
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