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Relationship Between Peroneal Nerve and Anterior Cruciate Ligament Involvement in Multiligamentous Knee Injury: A Multicenter Study. J Am Acad Orthop Surg 2022; 30:e1461-e1466. [PMID: 36326829 DOI: 10.5435/jaaos-d-21-01252] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/22/2021] [Accepted: 06/15/2022] [Indexed: 11/08/2022] Open
Abstract
INTRODUCTION Peroneal nerve injuries are rare injuries and usually associated with multiligamentous knee injuries (MLKIs) involving one or both cruciate ligaments. The purpose of our study was to perform a multicenter retrospective cohort analysis to examine the rates of peroneal nerve injuries and to see whether a peroneal nerve injury was suggestive of a particular injury pattern. METHODS A retrospective chart review was conducted in patients who were diagnosed with MLKI at two level I trauma centers from January 2001 to March 2021. MLKIs were defined as complete injuries to two or more knee ligaments that required surgical reconstruction or repair. Peroneal nerve injury was clinically diagnosed in these patients by the attending orthopaedic surgeon. Radiographs, advanced imaging, and surgical characteristics were obtained through a chart review. RESULTS Overall, 221 patients were included in this study. The mean age was 35.9 years, and 72.9% of the population was male. Overall, the incidence of clinical peroneal nerve injury was 19.5% (43 patients). One hundred percent of the patients with peroneal nerve injury had a posterolateral corner injury. Among patients with peroneal nerve injury, 95.3% had a complete anterior cruciate ligament (ACL) rupture as compared with 4.7% of the patients who presented with an intact ACL. There was 4.4 times of greater relative risk of peroneal nerve injury in the MLKI with ACL tear group compared with the MLKI without an ACL tear group. No statistical difference was observed in age, sex, or body mass index between patients experiencing peroneal nerve injuries and those who did not. CONCLUSION The rate of ACL involvement in patients presenting with a traumatic peroneal nerve palsy is exceptionally high, whereas the chance of having a spared ACL is exceptionally low. More than 90% of the patients presenting with a nerve palsy will have sustained, at the least, an ACL and posterolateral corner injury. LEVEL OF EVIDENCE IV, Case Series.
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Stavinoha TJ, Randhawa SD, Trivedi S, Dingel A, Shea KG, Frick SL. The Axillary Nerve Danger Zone in Percutaneous Fixation in the Pediatric Shoulder: The "1-Mountain-3-Valleys" Principle. J Bone Joint Surg Am 2022; 104:1263-1268. [PMID: 35344511 DOI: 10.2106/jbjs.21.01202] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/01/2023]
Abstract
BACKGROUND Adult literature cites an axillary nerve danger zone of 5 to 7 cm distal to the acromion tip for open or percutaneous shoulder surgery, but that may not be valid for younger patients. This study sought to quantify the course of the axillary nerve in adolescent patients with reference to easily identifiable intraoperative anatomic and radiographic parameters. METHODS A single-institution hospital database was reviewed for shoulder magnetic resonance images (MRIs) in patients 10 to 17 years old. One hundred and one MRIs from patients with a mean age of 15.6 ± 1.2 years (range, 10 to 17 years) were included. Axillary nerve branches were identified in the coronal plane as they passed lateral to the proximal humerus and were measured in relation to identifiable intraoperative surface and radiographic landmarks, including the acromion tip, apex of the humeral head, lateral physis, and central apex of the physis. The physeal apex height (i.e., 1 "mountain") was defined as the vertical distance between the most lateral point of the humeral physis (LPHP) and the central intraosseous apex of the physis. RESULTS Axillary nerve branches were found in all specimens, adjacent to the lateral cortex of the proximal humerus. A mean of 3.7 branches (range, 2 to 6) were found. The mean distance from the most proximal branch (BR1) to the most distal branch (BR2) was 11.7 mm. The pediatric danger zone for the axillary nerve branches ranged from 6.6 mm proximal to 33.1 mm distal to the LPHP. The danger zone in relation to percent of physeal apex height included from 62% proximal to 242% distal to the LPHP. CONCLUSIONS All branches were found distal to the apex of the physis (1 "mountain" height proximal to the LPHP). Distal to the LPHP, no branches were found beyond a distance of 3 times the physeal apex height (3 "valleys"). In children and adolescents, percutaneous fixation of the proximal humerus should be performed with cortical penetration outside of this range. These parameters serve as readily identifiable intraoperative radiographic landmarks to minimize iatrogenic nerve injury. CLINICAL RELEVANCE This study provides valuable landmarks for percutaneous approaches to the proximal humerus. The surgical approach for the placement of percutaneous implants should be adjusted accordingly (i.e., performed at least 1 mountain proximal or 3 valleys distal to the LPHP) in order to prevent iatrogenic injury to the axillary nerve.
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Affiliation(s)
- Tyler J Stavinoha
- Department of Orthopaedic Surgery, Stanford University School of Medicine, Palo Alto, California
| | - Sahej D Randhawa
- University of California San Diego School of Medicine, La Jolla, California
| | - Sunny Trivedi
- University of Florida College of Medicine, Gainesville, Florida
| | - Aleksei Dingel
- Department of Orthopaedic Surgery, Stanford University School of Medicine, Palo Alto, California
| | - Kevin G Shea
- Department of Orthopaedic Surgery, Stanford University School of Medicine, Palo Alto, California
| | - Steven L Frick
- Department of Orthopaedic Surgery, Stanford University School of Medicine, Palo Alto, California
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Leland DP, Pareek A, Therrien E, Wilbur R, Stuart MJ, Krych AJ, Levy BA, Camp CL. Neurological Complications Following Arthroscopic and Related Sports Surgery: Prevention, Work-up, and Treatment. Sports Med Arthrosc Rev 2022; 30:e1-e8. [PMID: 35113840 PMCID: PMC9128250 DOI: 10.1097/jsa.0000000000000322] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
Abstract
Arthroscopy of the shoulder, elbow, hip, and knee has become increasingly utilized due to continued advancements in technique, training, and instrumentation. In addition, arthroscopy is generally safe and effective in the utilization of joint preservation surgical techniques. The arthroscopist must utilize a thorough understanding of the surgical anatomy, detailed care with patient positioning, and safe instrumentation portals to prevent associated neurological injury. In the event of postoperative neurological complications, the physician must carefully document the patient history and physical examination while considering the utilization of additional imaging, testing, or surgical nerve exploration with a specialized team depending upon the severity of neurological injury. In this review, we discuss the prevention, evaluation, and treatment of neurological complications related for arthroscopic procedures of the shoulder, elbow, hip, and knee.
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Affiliation(s)
- Devin P Leland
- Mayo Clinic Department of Orthopedic Surgery, Mayo Clinic, Rochester, Minnesota, U.S.A
| | - Ayoosh Pareek
- Mayo Clinic Department of Orthopedic Surgery, Mayo Clinic, Rochester, Minnesota, U.S.A
| | - Erik Therrien
- Mayo Clinic Department of Orthopedic Surgery, Mayo Clinic, Rochester, Minnesota, U.S.A
| | - Ryan Wilbur
- Mayo Clinic Department of Orthopedic Surgery, Mayo Clinic, Rochester, Minnesota, U.S.A
| | - Michael J Stuart
- Mayo Clinic Department of Orthopedic Surgery, Mayo Clinic, Rochester, Minnesota, U.S.A
| | - Aaron J Krych
- Mayo Clinic Department of Orthopedic Surgery, Mayo Clinic, Rochester, Minnesota, U.S.A
| | - Bruce A Levy
- Mayo Clinic Department of Orthopedic Surgery, Mayo Clinic, Rochester, Minnesota, U.S.A
| | - Christopher L Camp
- Mayo Clinic Department of Orthopedic Surgery, Mayo Clinic, Rochester, Minnesota, U.S.A
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Marconi GF, Simão MN, Fogagnolo F, Nogueira-Barbosa MH. Magnetic resonance imaging evaluation of common peroneal nerve injury in acute and subacute posterolateral corner lesion: a retrospective study. Radiol Bras 2021; 54:303-310. [PMID: 34602665 PMCID: PMC8475171 DOI: 10.1590/0100-3984.2020.0072] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/01/2020] [Accepted: 09/10/2020] [Indexed: 11/26/2022] Open
Abstract
Objective To evaluate qualitative and quantitative magnetic resonance imaging (MRI) criteria for injury of the common peroneal nerve (CPN) in patients with acute or subacute injuries in the posterolateral corner (PLC) of the knee, as well as to evaluate the reproducibility of MRI evaluation of CPN alterations. Materials and Methods This was a retrospective study of 38 consecutive patients submitted to MRI and diagnosed with acute or subacute injury to the PLC of the knee (patient group) and 38 patients with normal MRI results (control group). Two musculoskeletal radiologists (designated radiologist A and radiologist B, respectively) evaluated the images. Nerve injury was classified as neurapraxia, axonotmesis, or neurotmesis. Signal strength was measured at the CPN, the tibial nerve (TN), and a superficial vein (SV). The CPN/TN and CPN/SV signal ratios were calculated. The status of each PLC structure, including the popliteal tendon, arcuate ligament, lateral collateral ligament, and biceps tendon, was classified as normal, partially torn, or completely torn, as was that of the cruciate ligaments. For the semiquantitative analysis of interobserver agreement, the kappa statistic was calculated, whereas a receiver operating characteristic (ROC) curve was used for the quantitative analysis. Results In the patient group, radiologist A found CPN abnormalities in 15 cases (39.4%)-neurapraxia in eight and axonotmesis in seven-whereas radiologist B found CPN abnormalities in 14 (36.8%)-neurapraxia in nine and axonotmesis in five. The kappa statistic showed excellent interobserver agreement. In the control group, the CPN/TN signal ratio ranged from 0.63 to 1.1 and the CPN/SV signal ratio ranged from 0.16 to 0.41, compared with 1.30-4.02 and 0.27-1.08, respectively, in the patient group. The ROC curve analysis demonstrated that the CPN/TN signal ratio at a cutoff value of 1.39 had high (93.3%) specificity for the identification of nerve damage, compared with 81.3% for the CPN/SV signal ratio at a cutoff value of 0.41. Conclusion CPN alterations are common in patients with PLC injury detected on MRI, and the level of interobserver agreement for such alterations was excellent. Calculating the CPN/TN and CPN/SV signal ratios may increase diagnostic confidence. We recommend systematic analysis of the CPN in cases of PLC injury.
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Affiliation(s)
- Gustavo Felix Marconi
- Faculdade de Medicina de Ribeirão Preto da Universidade de São Paulo (FMRP-USP), Ribeirão Preto, SP, Brazil
| | - Marcelo Novelino Simão
- Faculdade de Medicina de Ribeirão Preto da Universidade de São Paulo (FMRP-USP), Ribeirão Preto, SP, Brazil
| | - Fabricio Fogagnolo
- Faculdade de Medicina de Ribeirão Preto da Universidade de São Paulo (FMRP-USP), Ribeirão Preto, SP, Brazil
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Nath RK, Somasundaram C. Surgical management of winged scapula/shoulder disability in adults who failed conservative treatments. Surg Neurol Int 2021; 12:407. [PMID: 34513172 PMCID: PMC8422451 DOI: 10.25259/sni_639_2021] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/26/2021] [Accepted: 07/27/2021] [Indexed: 12/01/2022] Open
Abstract
Background: Scapular winging, muscle weakness, chronic discomfort, and overall impairment of shoulder function are commonly caused by injuries to and/or compression of the upper brachial plexus, long thoracic, and accessory nerves. These injuries can have significant social and financial impacts on patients. Methods: Twenty-one adults who sustained shoulder injuries (a bilateral injury in two patients and a total of 23 shoulder surgeries) presented with winged scapulas, limited shoulder range of motion, and severe shoulder pain. Results: Patients underwent unilateral decompression, neurolysis of the upper brachial plexus/long thoracic nerve (LTN), and partial resection of the scalene muscle. The mean shoulder abduction/flexion improved significantly, and 15 of 21 (71%) patients regained full range of motion (180°) postoperatively. In addition, the winged scapula appearance improved significantly in 20 of 21 patients (96%) postoperatively. Conclusion: All except one of 21 patients with scapular winging, muscle weakness, chronic discomfort, and overall impairment of shoulder function improved following unilateral decompression, neurolysis of the upper brachial plexus/LTN, and partial resection of the scalene muscle.
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Affiliation(s)
- Rahul K Nath
- Department of Research, Texas Nerve and Paralysis Institute, Houston, Texas, United States
| | - Chandra Somasundaram
- Department of Research, Texas Nerve and Paralysis Institute, Houston, Texas, United States
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Nath RK, Somasundaram C. Long-term Improvements of Neuroplasty and Scalene Muscle Resection in LTN-injured Winged Scapula Patients. PLASTIC AND RECONSTRUCTIVE SURGERY-GLOBAL OPEN 2021; 9:e3408. [PMID: 33680659 PMCID: PMC7929713 DOI: 10.1097/gox.0000000000003408] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/15/2020] [Accepted: 12/10/2020] [Indexed: 11/25/2022]
Abstract
Injuries to the long thoracic nerve, which directly branches off of the C6, C7, and C8 brachial plexus nerve roots, can cause scapular winging and affect shoulder movements. Long thoracic nerve injuries resulting from accidents, violence, or overuse can be severe lesions requiring challenging surgeries. We evaluated the long-term functional outcomes of neuroplasty and the scalene muscle resection procedures in patients with long thoracic nerve injury and winging scapula. Methods All 15 patients who underwent scalene muscle resection with decompression and neurolysis of the long thoracic nerve in a single institution to treat winged scapula and limited shoulder movements between March 2007 and May 2020 with follow-up over 2 years were included in the study. Results Shoulder abduction and arm flexion improved significantly to 158 ± 52 degrees and 165 ± 53 degrees from a mean of 108 ± 54 degrees and 104 ± 52 degrees (P < 0.02) over 2 years after surgery (mean 3.4 years). Overall, there was a significant reduction in the scapular winging, as assessed by estimating the decrease in the angle between the scapular plane and the posterior chest wall. The extent of the score greatly improved post-surgically from a mean of 1.2 ± 0.4 to 3.5 ± 0.9 (range 1-4; 1-severe, 2-moderate, 3-mild, and 4-minimal) (P < 0.01). Conclusion The improvement in shoulder movements and reduced scapular winging was significant and stable over 2 years of surgery in 81% of our study patients.
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Affiliation(s)
- Rahul K Nath
- Texas Nerve and Paralysis Institute, Research Division, Houston, Tex
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Post-Contrast 3D Inversion Recovery Magnetic Resonance Neurography for Evaluation of Branch Nerves of the Brachial Plexus. Eur J Radiol 2020; 132:109304. [PMID: 33035919 DOI: 10.1016/j.ejrad.2020.109304] [Citation(s) in RCA: 18] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/22/2020] [Revised: 09/07/2020] [Accepted: 09/22/2020] [Indexed: 11/23/2022]
Abstract
PURPOSE To compare 3.0 Tesla brachial plexus three-dimensional (3D) T2-weighted short tau inversion recovery fast spin echo (STIR-FSE) MRI sequences before (pre-contrast STIR) and after (post-contrast STIR) administration of gadolinium intravenous contrast. METHOD Eighteen patients were included. Each patient was imaged before and after intravenous contrast administration during the same session. 3D STIR-FSE sequences were obtained at 3.0 Tesla using two 16-channel flexible coils positioned over the lower neck and chest wall region. Three musculoskeletal radiologists qualitatively assessed degree of vascular signal suppression, visualization of the axillary, musculocutaneous, and suprascapular nerves, diagnostic confidence in nerve evaluation, and lesion conspicuity. Marginal ordinal logistic regression models were used to compare subjective ratings between sequences. Pre- and post-STIR lesion conspicuity was compared using Wilcoxon signed-rank test. Inter- and intra-observer agreements were assessed using Gwet's agreement coefficient. RESULTS Vascular signal suppression significantly improved following contrast administration (odds ratio, OR = 209.9, 95% confidence interval, CI: 21.0-2094.6, p < .001). The post-contrast STIR technique significantly improved nerve visualization (OR = 8.4, 95% CI: 3.6-19.9, p < .001) and diagnostic confidence in evaluation (OR = 13.2, 95% CI: 4.8-36.0, p < .001) across all nerve segments. Post-contrast STIR improved lesion conspicuity by 1 point, but statistical significance was not reached (Reader 1: p = 0.5, Reader 2: p = 0.063). Post-contrast STIR imaging demonstrated substantial to near-perfect inter- and intra-rater agreement coefficients for both nerve visualization (inter-rater: 0.74-1.0, intra-rater: 0.94-1.0) and diagnostic confidence (inter-rater: 0.79-1.0, intra-rater: 0.94-1.0). Quantitatively, post-contrast STIR demonstrated a 24% increase in mean C6 nerve-to-muscle signal intensity ratio (p = 0.017). CONCLUSIONS Post-contrast STIR improved nerve-to-muscle contrast ratio, allowing for enhanced visualization and diagnostic confidence in evaluation of branch nerves of the brachial plexus.
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Schickendantz MS, Yalcin S. Conditions and Injuries Affecting the Nerves Around the Elbow. Clin Sports Med 2020; 39:597-621. [PMID: 32446578 DOI: 10.1016/j.csm.2020.02.006] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
Abstract
Sports-related peripheral neuropathies account for 6% of all peripheral neuropathies and most commonly involve the upper extremity. The routes of the median, radial, and ulnar nerves are positioned in arrangements of pulleys and sheaths to glide smoothly around the elbow. However, this anatomic relationship exposes each nerve to risk of compression. The underlying mechanisms of the athletic nerve injury are compression, ischemia, traction, and friction. Chronic athletic nerve compression may cause damage with moderate or low pressure for long or intermittent periods of time.
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Affiliation(s)
- Mark S Schickendantz
- Cleveland Clinic Sports Health Center, 5555 Transportation Boulevard, Garfield Heights, Ohio 44125, USA.
| | - Sercan Yalcin
- Cleveland Clinic Sports Health Center, 5555 Transportation Boulevard, Garfield Heights, Ohio 44125, USA
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Tran TMA, Lim BG, Sheehy R, Robertson PL. Magnetic resonance imaging for common peroneal nerve injury in trauma patients: Are routine knee sequences adequate for prediction of outcome? J Med Imaging Radiat Oncol 2018; 63:54-60. [DOI: 10.1111/1754-9485.12840] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/23/2018] [Accepted: 11/05/2018] [Indexed: 11/27/2022]
Affiliation(s)
- Thi My Anh Tran
- Faculty of Medicine Dentistry and Health Sciences The University of Melbourne Melbourne Victoria Australia
| | - Beng Ghee Lim
- Department of Radiology The Royal Melbourne Hospital The University of Melbourne Melbourne Victoria Australia
| | - Rohan Sheehy
- Department of Orthopaedics The Royal Melbourne Hospital Melbourne Victoria Australia
| | - Patricia L Robertson
- Department of Radiology The Royal Melbourne Hospital The University of Melbourne Melbourne Victoria Australia
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Burrus MT, Werner BC, Griffin JW, Gwathmey FW, Miller MD. Diagnostic and Management Strategies for Multiligament Knee Injuries: A Critical Analysis Review. JBJS Rev 2018; 4:01874474-201602000-00001. [PMID: 27490131 DOI: 10.2106/jbjs.rvw.o.00020] [Citation(s) in RCA: 27] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022]
Abstract
Multiligament knee injuries have a strong association with periarticular soft-tissue and neurovascular injuries, which must not be overlooked in the initial evaluation of the patient. Even though magnetic resonance imaging (MRI) is imperative for a complete evaluation of the damaged ligamentous knee restraints, stress radiography aids in establishing the functional consequence of the MRI findings and may assist in directing reconstruction. Although cruciate ligament tears are generally reconstructed, a combined repair-reconstruction approach is most useful for collateral ligaments and extra-articular structures, with incorporation of local tissue into the reconstruction whenever possible. Regardless of the timing and operative technique chosen, patients with multiligament knee injuries are at high risk for complications and long-term disability.
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Affiliation(s)
- M Tyrrell Burrus
- Department of Orthopaedic Surgery, University of Virginia Health System, PO Box 800159 HSC, Charlottesville, VA 22908
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Lolis AM, Falsone S, Beric A. Common peripheral nerve injuries in sport: diagnosis and management. HANDBOOK OF CLINICAL NEUROLOGY 2018; 158:401-419. [PMID: 30482369 DOI: 10.1016/b978-0-444-63954-7.00038-0] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
Peripheral nerve injuries are unusual in sport but impact an athlete's safe return to play. Nerve injuries result from either acute trauma (most commonly in contact/collision sports) or from repetitive microtrauma and overuse. Diagnosis of overuse nerve injuries includes nerve localization and surrounding soft-tissue anatomy, and must account for possible causes of repetitive microtrauma, including biomechanics, equipment, training schedule, and recovery. Prognosis is related to the type of nerve injury. Management should not simply be rest and gradual return to sport but should address biomechanical and training predispositions to injury. Understanding the type of injury and the tissues involved will guide appropriate rehabilitation decisions. Recognizing acute care considerations and implementing appropriate strategies can help minimize secondary trauma to an area following acute injury.
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Affiliation(s)
- Athena M Lolis
- Division of Clinical Neurophysiology, Department of Neurology, NYU School of Medicine, New York, NY, United States
| | - Susan Falsone
- Department of Athletic Training, A.T. Still University, Mesa, AZ, United States
| | - Aleksandar Beric
- Division of Clinical Neurophysiology, Department of Neurology, NYU School of Medicine, New York, NY, United States.
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Chaware PN, Santoshi JA, Pakhare AP, Rathinam BAD. Risk of nerve injury during arthroscopy portal placement in the elbow joint: A cadaveric study. Indian J Orthop 2016; 50:74-9. [PMID: 26952128 PMCID: PMC4759879 DOI: 10.4103/0019-5413.173510] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/04/2023]
Abstract
BACKGROUND Elbow arthroscopy has become a routine procedure now. However, placing portals is fraught with dangers of injuring the neurovascular structures around elbow. There are not enough data documenting the same amongst the Indians. We aimed to determine the relative distances of nerves around the elbow to the arthroscopy portals and risk of injury in different positions of the elbow. MATERIALS AND METHODS Six standard elbow arthroscopy portals were established in 12 cadaveric upper limbs after joint distension. Then using standard dissection techniques all the nerves around the elbow were exposed, and their distances from relevant portals were measured using digital vernier caliper in 90° elbow flexion and 0° extension. Descriptive statistical analysis was used for describing distance of the nerves from relevant portal. Wilcoxon-signed rank test and Friedman's test were used for comparison. RESULTS There was no major nerve injury at all the portals studied in both positions of the elbow. The total incidence of cutaneous nerve injury was 8.3% (12/144); medial cutaneous nerve of forearm 10/48 and posterior cutaneous nerve of forearm 2/24. No significant changes were observed in the distance of a nerve to an individual portal at 90° flexion or 0° extension position of the elbow. CONCLUSION This study demonstrates the risk of injury to different nerves at the standard portals of elbow arthroscopy. In practice, the actual incidence of nerve injury may still be lower. We conclude that elbow arthroscopy is a safe procedure when all precautions as described are duly followed.
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Affiliation(s)
| | - John A Santoshi
- Department of Orthopaedics, AIIMS, Bhopal, Madhya Pradesh, India
| | - Abhijit P Pakhare
- Department of Community and Family Medicine, AIIMS, Bhopal, Madhya Pradesh, India
| | - Bertha A D Rathinam
- Department of Anatomy, AIIMS, Bhopal, Madhya Pradesh, India,Address for correspondence: Dr. Bertha AD Rathinam, Department of Anatomy, AIIMS, Bhopal, Madhya Pradesh, India. E-mail:
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van Rheenen TA, van den Bekerom MPJ, Eygendaal D. The incidence of neurologic complications and associated risk factors in elbow surgery: an analysis of 2759 cases. J Shoulder Elbow Surg 2015; 24:1991-7. [PMID: 26456432 DOI: 10.1016/j.jse.2015.07.033] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/05/2015] [Revised: 07/29/2015] [Accepted: 07/30/2015] [Indexed: 02/01/2023]
Abstract
BACKGROUND The purpose of this study was to evaluate the incidence of neurologic complications after elbow surgery and to provide perioperative tips and potential pitfalls for neurologic complications and how to cope with them. METHODS A single orthopedic surgeon performed 2759 elbow-related surgical procedures between January 2006 and October 2014. The surgical records and the postoperative follow-up of all 2759 patients were retrospectively reviewed to determine the preoperative diagnosis, the type of procedure, and postoperative neurologic complications. RESULTS Neurologic complications were very uncommon. Neurologic deficit occurred in 10 of 2759 elbow operations. A neurologic complication occurred 4 distal biceps tendon surgeries (5.3%), 4 elbow arthroscopies (0.4%), 2 ligament reconstructions (0.7%), and 2 total elbow prosthesis (1.4%). CONCLUSIONS A thorough understanding of the 3-dimensional anatomy of the elbow and surrounding nerves is needed to avoid neurologic complications. The neurologic complications we encountered in our series are well within the limits of earlier reports and show that elbow surgery is a relatively safe procedure to perform for a wide variety of indications.
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Affiliation(s)
- Thijs A van Rheenen
- Department of Orthopaedic Surgery, Spaarne Gasthuis, Hoofddorp, The Netherlands.
| | - Michel P J van den Bekerom
- Shoulder and Elbow Unit, Department of Orthopaedic Surgery, Onze Lieve Vrouwe Gasthuis, Amsterdam, The Netherlands
| | - Denise Eygendaal
- Department of Orthopaedic Surgery, Amphia Hospital, Breda, The Netherlands
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Phillips BZ, Stockburger C, Mackinnon SE. Ulnar nerve transection during Tommy John surgery: novel findings and approach to treatment. Hand (N Y) 2015; 10:555-8. [PMID: 26330795 PMCID: PMC4551653 DOI: 10.1007/s11552-014-9690-2] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/01/2022]
Affiliation(s)
- Benjamin Z. Phillips
- />Division of Plastic and Reconstructive Surgery, Washington University School of Medicine, St. Louis, MO USA
| | - Christopher Stockburger
- />Department of Orthopedic Surgery, Washington University School of Medicine, St. Louis, MO USA
| | - Susan E. Mackinnon
- />Division of Plastic and Reconstructive Surgery, Washington University School of Medicine, St. Louis, MO USA
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Chiavaras MM, Jacobson JA, Billone L, Lawton JM, Lawton J. Sonography of the lateral antebrachial cutaneous nerve with magnetic resonance imaging and anatomic correlation. JOURNAL OF ULTRASOUND IN MEDICINE : OFFICIAL JOURNAL OF THE AMERICAN INSTITUTE OF ULTRASOUND IN MEDICINE 2014; 33:1475-1483. [PMID: 25063413 DOI: 10.7863/ultra.33.8.1475] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/03/2023]
Abstract
OBJECTIVES Abnormalities of the lateral antebrachial cutaneous nerve (LABCN) are associated with antecubital elbow conditions, such as distal biceps brachii tendon tears and traumatic cephalic vein phlebotomy. These can lead to lateral forearm, elbow, and wrist symptoms that can mimic other disease processes. The purpose of this study was to characterize the sonographic appearance of the LABCN using cadaveric dissection and retrospective analysis of sonographic examinations of symptomatic patients with magnetic resonance imaging correlation. METHODS For the first part of this study, a cadaveric elbow specimen was examined, and sonography was performed after dissection to identify the LABCN. Subsequently, 26 elbows in 13 patients with LABCN abnormalities were identified with sonography and retrospectively evaluated to characterize the appearance of the LABCN in both symptomatic and asymptomatic elbows. RESULTS The symptomatic LABCNs showed fusiform enlargement, increased echogenicity, and loss of the normal fascicular echo texture. The mean cross-sectional area of the symptomatic nerves was 12.0 mm(2) (range, 6.1-17.2 mm(2)), with a maximum thickness of 3.5 mm (range, 2.3-5.9 mm), compared to 3.3 mm(2) (range, 1.9-5.2 mm(2)), with a maximum thickness of 1.3 mm (range, 0.9-2.2 mm), in the contralateral normal elbows. CONCLUSIONS The close proximity of the LABCN to the distal biceps tendon and the cephalic vein makes it vulnerable to compression and injury in the setting of distal biceps tendon tears and traumatic phlebotomy, which may cause nerve enlargement and increased echogenicity. Awareness of the location and appearance of the LABCN on sonography is important for determining potential causes of lateral elbow and forearm pain.
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Affiliation(s)
- Mary M Chiavaras
- Department of Diagnostic Imaging, McMaster University, Hamilton General Hospital, Hamilton, Ontario, Canada (M.M.C., L.B.); and Departments of Radiology (J.A.J.) and Orthopedic Surgery (J.M.L., J.L.), University of Michigan, Ann Arbor, Michigan USA.
| | - Jon A Jacobson
- Department of Diagnostic Imaging, McMaster University, Hamilton General Hospital, Hamilton, Ontario, Canada (M.M.C., L.B.); and Departments of Radiology (J.A.J.) and Orthopedic Surgery (J.M.L., J.L.), University of Michigan, Ann Arbor, Michigan USA
| | - Lisa Billone
- Department of Diagnostic Imaging, McMaster University, Hamilton General Hospital, Hamilton, Ontario, Canada (M.M.C., L.B.); and Departments of Radiology (J.A.J.) and Orthopedic Surgery (J.M.L., J.L.), University of Michigan, Ann Arbor, Michigan USA
| | - Jason Michael Lawton
- Department of Diagnostic Imaging, McMaster University, Hamilton General Hospital, Hamilton, Ontario, Canada (M.M.C., L.B.); and Departments of Radiology (J.A.J.) and Orthopedic Surgery (J.M.L., J.L.), University of Michigan, Ann Arbor, Michigan USA
| | - Jeffrey Lawton
- Department of Diagnostic Imaging, McMaster University, Hamilton General Hospital, Hamilton, Ontario, Canada (M.M.C., L.B.); and Departments of Radiology (J.A.J.) and Orthopedic Surgery (J.M.L., J.L.), University of Michigan, Ann Arbor, Michigan USA
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Plastaras CT, Chhatre A, Kotcharian AS. Perioperative upper extremity peripheral nerve traction injuries. Orthop Clin North Am 2014; 45:47-53. [PMID: 24267206 DOI: 10.1016/j.ocl.2013.09.006] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/02/2023]
Abstract
Peripheral nerve traction injuries may occur after surgical care and can involve any of the upper extremity large peripheral nerves. In this review, injuries after shoulder or elbow surgical intervention are discussed. Understanding the varying mechanisms of injury as well as classification is imperative for preoperative risk stratification as well as management.
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Affiliation(s)
- Christopher T Plastaras
- Department of Physical Medicine and Rehabilitation, University of Pennsylvania Perelman School of Medicine, 1800 Lombard Street, Philadelphia, PA 19146, USA.
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Hefny MA, Ghaly MS, Greish SM, Abogresha NM, Fahim AE. Spinal accessory neuropathy in patients with chronic neck pain. World J Rheumatol 2012; 2:21-26. [DOI: 10.5499/wjr.v2.i2.21] [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] [Indexed: 02/06/2023] Open
Abstract
AIM: To assess the presence of spinal accessory neuropathy in patients with chronic neck pain.
METHODS: Patients with pain either regional or focal in the neck or shoulders for at least 6 mo (chronic neck pain) were recruited randomly from the Rheumatology and Rehabilitation Outpatient Clinic at the Faculty of Medicine-Suez Canal University. Two groups were compared: 30 patients with chronic neck pain with mean age (36.97 ± 12.45 years) and 10 apparently healthy controls. Trapezius muscle examination including inspection and range of motion both active and passive was performed. A full clinical neurological examination was carried out to exclude peripheral neuropathy and motor neuron disease. According to the subject’s type of work, cases were categorized into labor-intensive and non-labor intensive tasks. A nerve conduction study (NCS) was performed on spinal accessory nerves at both sides for all patients and controls. Parameters including latencies and amplitudes of compound motor action potential (CMAP) were compared with the chronicity of neck pain using the neck disability score. This cross sectional study was carried in the Rheumatology and Rehabilitation Department, at Suez Canal University Hospital, Ismailia, Egypt.
RESULTS: Physical examination revealed that 80% of cases had spinal trapezius muscle spasm. Restricted neck motion was present in 16.6% of cases. No one suffered from muscle wasting or weakness. Pain was bilateral in 18 patients (60%), localized to the right side in six patients (20%) and localized to the left side in six patients (20%). The causes of neck pain in the patients studied were nonspecific, due to physical stresses, cervical spondylosis and mild cervical disc herniation. Mean disease duration in patients with labor-intensive tasks was (3.9 ± 2.1 years), which was longer than that in patients with non-labor intensive tasks (3.1 ± 1.9 years); however, this difference was statistically insignificant. Spinal accessory NCSs were performed while subjects were in sitting positions and relaxed with naturally suspended arms to minimize muscular movement. The results of electrophysiological studies revealed that mean right and left latencies of the spinal accessory nerve were 2.96 ± 0.69 ms, 2.98 ± 0.61 ms in the patient group and 2.44 ± 0.38 ms, 2.33 ± 0.36 ms in control group respectively. These differences were statistically significant with P = 0.028 and 0.006 respectively. Spinal accessory NCS showed normal CMAP amplitude in both patients and controls. Comparing the results of the neck disability index (NDI) to different characteristics in patients with chronic neck pain, showed that patients with labor-intensive work had a higher NDI score mean (34.7 ± 9.5) compared to those with non-labor-intensive work, with significant statistical difference (P = 0.011). In addition, mean NDI scores were higher in males, and patients aged over 40 years and this difference was statistically significant (P = 0.007 and P = 0.009 respectively). Correlation studies between right and left spinal accessory nerve latencies and disability percent calculated using the NDI revealed a positive correlation. Moreover, there was a positive correlation between age and disability percent.
CONCLUSION: This study demonstrates electrophysiological evidence of demyelination in a significant proportion of patients with chronic cervical pain.
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