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Bowers KM, Anderson DE. Delayed Union and Nonunion: Current Concepts, Prevention, and Correction: A Review. Bioengineering (Basel) 2024; 11:525. [PMID: 38927761 PMCID: PMC11201148 DOI: 10.3390/bioengineering11060525] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/29/2024] [Revised: 05/12/2024] [Accepted: 05/17/2024] [Indexed: 06/28/2024] Open
Abstract
Surgical management of fractures has advanced with the incorporation of advanced technology, surgical techniques, and regenerative therapies, but delayed bone healing remains a clinical challenge and the prevalence of long bone nonunion ranges from 10 to 15% of surgically managed fractures. Delayed bone healing arises from a combination of mechanical, biological, and systemic factors acting on the site of tissue remodeling, and careful consideration of each case's injury-related, patient-dependent, surgical, and mechanical risk factors is key to successful bone union. In this review, we describe the biology and biomechanics of delayed bone healing, outline the known risk factors for nonunion development, and introduce modern preventative and corrective therapies targeting fracture nonunion.
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Affiliation(s)
| | - David E. Anderson
- Large Animal Clinical Sciences, University of Tennessee College of Veterinary Medicine, 2407 River Dr., Knoxville, TN 37996-4550, USA;
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Chen H, Li Z, Li X, Lu J, Chen B, Wang Q, Cao P. Comparative Analysis of Intramedullary Nail versus Plate Fixation for Fibula Fracture in Supination External Rotation Type IV Ankle Injury. Med Sci Monit 2024; 30:e941909. [PMID: 38303508 PMCID: PMC10845788 DOI: 10.12659/msm.941909] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/24/2023] [Accepted: 11/09/2023] [Indexed: 02/03/2024] Open
Abstract
BACKGROUND Lateral malleolus fractures, typically from trauma, sports, or accidents, are common, with supination external rotation (SER) injuries being most prevalent. SER injuries involve complex joint mechanics and often necessitate surgical intervention for instability. This study compares intramedullary nail and plate fixation for fibula fractures in SER type IV ankle injuries, considering their biomechanical properties and influence on fracture healing. MATERIAL AND METHODS A prospective, randomized study was conducted between January 2021 and December 2021. A total of 81 patients with SER injuries were included in the study. Surgical procedures were performed using either intramedullary nails or plates. The following parameters were recorded and analyzed: postoperative complications, operation times, bone healing times, American Orthopaedic Foot & Ankle Society (AOFAS) scores, visual analog scale (VAS) scores for pain, and ankle range of motion. RESULTS Out of the 81 cases, 42 were treated with intramedullary nails, while 39 received plate fixation. Statistical analysis revealed a significantly lower rate of postoperative complications in the intramedullary nail group than in the the plate fixation group (9.52% vs 30.77%, P<0.0164). However, there were no significant differences between the 2 groups in terms of operation time, bone healing time, AOFAS scores, VAS scores, and functional evaluations (P>0.05). CONCLUSIONS Plate fixation and intramedullary nail fixation are effective techniques for treating fibula fractures in SER type IV injuries. However, intramedullary nail fixation demonstrates a lower rate of complications. Therefore, intramedullary nails may be preferable to plate fixation for the management of fibula fractures in SER type IV ankle injuries.
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Affiliation(s)
- Hongfeng Chen
- Department of Foot and Ankle Surgery, The Second Affiliated Hospital of Luohe Medical College, Luohe, Henan, PR China
| | - Zhen Li
- Department of Foot and Ankle Surgery, The Second Affiliated Hospital of Luohe Medical College, Luohe, Henan, PR China
| | - Xiaoqi Li
- Department of Foot and Ankle Surgery, The Second Affiliated Hospital of Luohe Medical College, Luohe, Henan, PR China
| | - Jiongjiong Lu
- Department of Foot and Ankle Surgery, The Second Affiliated Hospital of Luohe Medical College, Luohe, Henan, PR China
| | - Beibei Chen
- Department of Foot and Ankle Surgery, The Second Affiliated Hospital of Luohe Medical College, Luohe, Henan, PR China
| | - Qiongchao Wang
- Department of Foot and Ankle Surgery, The Second Affiliated Hospital of Luohe Medical College, Luohe, Henan, PR China
| | - Pengke Cao
- Department of Orthopedics, The Second Affiliated Hospital of Luohe Medical College, Luohe, Henan, PR China
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Patel R, McCarthy K, Christensen J, Jacobs B, Karsch J, Sephien A, Matson C, Sanders RW, Mir HR. Cost analysis and clinical outcomes of anatomic pre-contoured locking versus conventional plates for distal fibula ankle fractures. EUROPEAN JOURNAL OF ORTHOPAEDIC SURGERY & TRAUMATOLOGY : ORTHOPEDIE TRAUMATOLOGIE 2024; 34:959-965. [PMID: 37779131 DOI: 10.1007/s00590-023-03728-2] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/26/2023] [Accepted: 09/04/2023] [Indexed: 10/03/2023]
Abstract
PURPOSE To analyze differences in union, complication rates and cost from surgical fixation of distal fibula fractures with fibular plating implants. METHODS In total, 380 adult patients from 2012 to 2015 treated with 12 fibular plates from 4 different manufacturers utilized by 9 surgeons were retrospectively reviewed. They were stratified into a conventional one-third tubular fibular plate group, pre-contoured anatomic locking plate group, or a heterogeneous group including 3.5-mm reconstruction, one-third tubular locking, composite, and limited compression plates. The outcomes included failure of fixation, deep infection requiring debridement, time to union, anatomic reduction, superficial infection, hardware removal, and post-traumatic arthritis. Plate and screw costs were calculated from hospital billing records. RESULTS Pre-contoured locking plates were used in older, female patients with a greater number of comorbidities. Open injuries and OTA 44B fractures were more likely to be an indication for pre-contoured plates. There was no difference noted in time to union between the different plating groups. Risk factors for deep infection requiring debridement included a history of tobacco use, open fractures, and pre-contoured locking plates relative to the conventional plating group. The pre-contoured plating group was on average $586 more expensive compared to the conventional group. CONCLUSION Pre-contoured locking plates achieved similar radiographic outcomes compared to conventional plates with an increased risk of complications and higher cost. Surgeons should consider their choice of implant based on the patient's fracture pattern, underlying comorbidities, and risk for infection.
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Affiliation(s)
- Raahil Patel
- Department of Orthopaedic Surgery, University of South Florida, 5 Tampa General Circle, HMT 710, Tampa, FL, 33606, USA.
| | - Kevin McCarthy
- Department of Orthopaedic Surgery, University of South Florida, 5 Tampa General Circle, HMT 710, Tampa, FL, 33606, USA
| | - Joseph Christensen
- Department of Orthopaedic Surgery, University of South Florida, 5 Tampa General Circle, HMT 710, Tampa, FL, 33606, USA
| | - Bonamico Jacobs
- Department of Orthopaedic Surgery, University of South Florida, 5 Tampa General Circle, HMT 710, Tampa, FL, 33606, USA
| | - Jordan Karsch
- Department of Orthopaedic Surgery, University of South Florida, 5 Tampa General Circle, HMT 710, Tampa, FL, 33606, USA
| | - Andrew Sephien
- Department of Orthopaedic Surgery, University of South Florida, 5 Tampa General Circle, HMT 710, Tampa, FL, 33606, USA
| | - Christopher Matson
- Department of Orthopaedic Surgery, University of South Florida, 5 Tampa General Circle, HMT 710, Tampa, FL, 33606, USA
| | - Roy W Sanders
- Department of Orthopaedic Surgery, University of South Florida, 5 Tampa General Circle, HMT 710, Tampa, FL, 33606, USA
- Florida Orthopaedic Institute, 13020 N Telecom Parkway, Tampa, FL, 33637, USA
| | - Hassan Riaz Mir
- Department of Orthopaedic Surgery, University of South Florida, 5 Tampa General Circle, HMT 710, Tampa, FL, 33606, USA
- Florida Orthopaedic Institute, 13020 N Telecom Parkway, Tampa, FL, 33637, USA
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Dhillon MS, Rajnish RK, Kumar P, Sharma S, Singh GP, Srivastava A. A comparison of outcomes of locking versus non-locking plate fixation for the distal fibula fractures: a systematic review and meta-analysis. EUROPEAN JOURNAL OF ORTHOPAEDIC SURGERY & TRAUMATOLOGY : ORTHOPEDIE TRAUMATOLOGIE 2024; 34:75-89. [PMID: 37656278 DOI: 10.1007/s00590-023-03694-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/27/2023] [Accepted: 08/13/2023] [Indexed: 09/02/2023]
Abstract
PURPOSE A locking plate (LP) or non-locking plate (NLP) can be used for distal fibula fracture fixation. However, the advantages of LP over NLP in patients with distal fibula fractures are not clear. In terms of indications, the role of the two plates probably differs; however, to draw comparative conclusions, we conceptualized this systematic review and meta-analysis of studies that directly compared the two plates, wherein both groups' indications and baseline parameters were similar. METHODS An electronic literature search was performed using PubMed/Medline, Embase, Scopus, and Cochrane Library databases for studies comparing the LP versus NLP fixation for the lateral malleolus fracture. A total of 18 studies were included in qualitative and quantitative analysis. A subgroup analysis was performed for patients aged < 55 years and patients aged > 55 years. The statistical analysis was performed by Review Manager Software version 5.4.1. RESULTS A meta-analysis of 4243 fractures was performed across 18 studies. The rate of fracture union and overall complication rates did not differ between the two fixation groups with an OR of 0.71 (95% CI 0.26, 1.96, p = 0.51 and 1.11 (95% CI 0.84, 1.47, p = 0.47, respectively. There is no difference in the reoperation rate due to minor or major complications between the two groups. There was no difference in functional outcome (MD -0.85, with 95% CI -5.63, 3.93, p = 0.73), but NLP has a shorter surgical duration (MD 3.0, with 95% CI 0.26, 5.75, p = 0.03). A leave-one-out sensitivity analysis performed for overall complications affected the final outcome of the meta-analysis. CONCLUSION This meta-analysis demonstrates no clear benefit in selecting LP over NLP for the fixation of lateral malleolus fractures.
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Affiliation(s)
| | - Rajesh Kumar Rajnish
- Department of Orthopaedics, All India Institute of Medical Sciences, Jodhpur, Rajasthan, India.
| | - Prasoon Kumar
- Department of Orthopaedics, PGIMER, Chandigarh, India
| | | | - Gagan Preet Singh
- Department of Orthopaedics, All India Institute of Medical Sciences, Bathinda, India
| | - Amit Srivastava
- Department of Orthopaedics, University College of Medical Sciences and GTB Hospital, Delhi, India
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Huang S, Zhu J, Xing H, Yang R, Ye J, Ye F, Wu Q, Lan S. Finite element analysis and a pilot study of different fixation constructs for Danis-Weber A and B lateral malleolus fractures. BMC Musculoskelet Disord 2023; 24:981. [PMID: 38114924 PMCID: PMC10729578 DOI: 10.1186/s12891-023-07115-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/26/2023] [Accepted: 12/13/2023] [Indexed: 12/21/2023] Open
Abstract
BACKGROUND Displaced lateral malleolus fractures are typically stabilised through open reduction and internal fixation. The biomechanically and clinically efficacy of locking plates and lag screws, particularly in Weber A and B distal fibular fractures remains a subject of contention. This study examines two locking plate designs for lateral malleolus fractures, evaluating their performance with and without interfragmentary screws using finite element models. METHODS Utilising CT images of a healthy adult male volunteer, a three-dimensional finite element model was constructed. The Fibula-specific Flank Multiaxial Locking Anatomic Plate (FMLP) and the Conventional Locking Plate (CLP) were subjected to stabilisation, both with and without an interfragmentary screw, mimicking the Danis-Weber A and B lateral malleolus oblique fracture fixation. Loads of 140 N and 70 N, equivalent to 20% of the body weight, were applied to simulate the single-leg and two-leg standing conditions in the axial direction. The von Mises stress (VMS) distributions and element displacements were subsequently analyzed. RESULTS In the Danis-Weber A fracture model group, the FMLP with an interfragmentary screw fixation exhibited the lowest peak VMS values: 51.9 MPa in the fibula, 89.0 MPa in the plate, and 61.3 MPa in the screws for simulating single-leg conditions. Under two-leg standing conditions, these peak VMS values decreased to 25.9 MPa in the fibula, 44.5 MPa in the plate, and 30.6 MPa in the screws, respectively. Furthermore, the overall structural peak displacements during single-leg standing for both Weber-A and B fractures with different implants ranged from 1.61 to 2.54 mm. While standing on two feet, the ranged was from 0.80 to 1.27 mm. An interfragmentary screw at the oblique fracture site resulted in reduced the peak value of VMS in the fibula, plate, screws, consequently decreased the overall structural displacement for FMLP and CLP fixation in lateral malleolus fractures. CONCLUSIONS The current finite element analysis (FEA) demonstrates that FMLP exhibits superior mechanical characteristics in Danis-Weber A and B lateral malleolus fractures compared to CLP. The inclusion of an interfragmentary screw, combined with locking plate design, enhances stability for simple oblique distal fibular fractures. The FMLP presents itself as potential as an alternative for lateral malleolus fractures from a biomechanical perspective. Nevertheless, further verification of these results is imperative through subsequent clinical studies.
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Affiliation(s)
- Shuming Huang
- Department of Orthopedic Surgery, Lishui Hospital, Zhejiang University School of Medicine, The Fifth Affiliated Hospital of Wenzhou Medical University, Lishui Municipal Central Hospital, Lishui, Zhejiang, 323000, People's Republic of China
| | - Junkun Zhu
- Department of Orthopedic Rehabilitation, Lishui Hospital, Zhejiang University School of Medicine, The Fifth Affiliated Hospital of Wenzhou Medical University, Lishui Municipal Central Hospital, Zhejiang323000, Lishui, People's Republic of China
| | - Hailin Xing
- Department of Orthopedic Surgery, Lishui Hospital, Zhejiang University School of Medicine, The Fifth Affiliated Hospital of Wenzhou Medical University, Lishui Municipal Central Hospital, Lishui, Zhejiang, 323000, People's Republic of China
| | - Ruifeng Yang
- Department of Orthopedic Surgery, Lishui Hospital, Zhejiang University School of Medicine, The Fifth Affiliated Hospital of Wenzhou Medical University, Lishui Municipal Central Hospital, Lishui, Zhejiang, 323000, People's Republic of China
| | - Jifei Ye
- Department of Orthopedic Surgery, Lishui Hospital, Zhejiang University School of Medicine, The Fifth Affiliated Hospital of Wenzhou Medical University, Lishui Municipal Central Hospital, Lishui, Zhejiang, 323000, People's Republic of China
| | - Fang Ye
- Department of Orthopedic Surgery, Lishui Hospital, Zhejiang University School of Medicine, The Fifth Affiliated Hospital of Wenzhou Medical University, Lishui Municipal Central Hospital, Lishui, Zhejiang, 323000, People's Republic of China
| | - Quanzhou Wu
- Department of Orthopedic Surgery, Lishui Hospital, Zhejiang University School of Medicine, The Fifth Affiliated Hospital of Wenzhou Medical University, Lishui Municipal Central Hospital, Lishui, Zhejiang, 323000, People's Republic of China
| | - Shuhua Lan
- Department of Orthopedic Surgery, Lishui Hospital, Zhejiang University School of Medicine, The Fifth Affiliated Hospital of Wenzhou Medical University, Lishui Municipal Central Hospital, Lishui, Zhejiang, 323000, People's Republic of China.
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Schagemann JC, Neumann H, Schäfers J, Paech A, Wendlandt R, Oheim R, Schulz AP. Similar Clinical Outcome in Locking and Conventional Plate Osteosynthesis for the Treatment of AO 44-B2 Ankle Fractures. Foot Ankle Spec 2022:19386400221136757. [PMID: 36418935 DOI: 10.1177/19386400221136757] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
Abstract
INTRODUCTION Biomechanical studies have proved that locking plates have better primary stability besides versatility regarding fracture pattern while reducing bone contact and bridging the gap, whereas conventional nonlocking plates (plus lag screw) depend on bone-plate compression. The clinical benefit of locking plates over nonlocking plates remains unanswered, however. Therefore, this retrospective cohort study was set up to test the hypothesis that the use of locking plates for unstable ankle fractures will result in fewer re-displacements, superior bony healing, and functional and clinical outcomes better than observed in the nonlocking cohort. METHODS Bimalleolar ankle fractures (AO 44-B2) without syndesmotic injury treated with either a locking or a nonlocking plate were included. Groups were compared for complications, bone healing, secondary dislocation, progressions of osteoarthritis, and clinical outcome using patient-reported outcome measures. RESULTS Data revealed no clinical outcome differences (Olerud-Molander Ankle Score: nonlocking 88.2 ± 14.4, locking 88.8 ± 12.3, P = .69, robust two 1-sided test for equality (RTOST): P = .03; American Orthopaedic Foot and Ankle Score: nonlocking 91.2 ± 12.9, locking 91.8 ± 11.3, P = .96, RTOST: P = .04). Nevertheless, a significant postoperative progression of osteoarthritis was detected in both groups (P = .04). This was independent of implant (P = .16). Although difference was not significant, locking plates were preferred in older (P = .78) and sicker patients (P = .63) and in cases with severer osteoarthritis (P = .16), and were associated with a higher complication rate (P = .42) and secondary dislocation (nonlocking 9.4%, locking 18.2%; P = .42). Re-displacement, however, was not a compelling reason for revision. CONCLUSIONS The present study shows statistically significant equality of both types of implants. Contrary to our expectation, locking plates seemed to be associated with a higher risk for re-displacement. Overall, the use of either locking or nonlocking plates for unstable AO 44-B2 fractures is safe and successful despite significant progression of osteoarthritis. LEVEL OF EVIDENCE III, Retrospective observational cohort study.
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Affiliation(s)
- Jan C Schagemann
- Christophorus Kliniken Coesfeld, Coesfeld, Germany
- Universität zu Lübeck, Lübeck, Germany
| | | | | | | | | | - Ralf Oheim
- Universitätsklinikum Hamburg-Eppendorf, Hamburg, Germany
| | - Arndt Peter Schulz
- Universität zu Lübeck, Lübeck, Germany
- BG Klinikum Hamburg, Hamburg, Germany
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Deng Y, Staniforth TL, Zafar MS, Lau YJ. Posterior Antiglide Plating vs Lateral Neutralization Plating for Weber B Distal Fibular Fractures: A Systematic Review and Meta-analysis of Clinical and Biomechanical Studies. Foot Ankle Int 2022; 43:850-859. [PMID: 35373597 DOI: 10.1177/10711007221079617] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/01/2023]
Abstract
BACKGROUND Distal fibular fractures are extremely common, yet there remains controversy about which type of plating technique is the most appropriate. We aimed to compare clinical and biomechanical outcomes following posterior antiglide plating and lateral neutralization plating for Weber B distal fibular fractures. METHODS A systematic review and meta-analysis of the literature was conducted by two independent reviewers according to the Preferred Reporting Items for Systematic Reviews and Meta-Analyses guidelines. We included all comparative studies of distal fibular fracture fixation with either a posterior antiglide plate or a lateral neutralization plate. Our primary outcome of interest was reoperation for hardware removal. Secondary outcomes included hardware discomfort, peroneal tendon irritation, infection, wound complications, and mechanical torque to failure. RESULTS A total of 1122 patients with Weber B ankle fractures were included across nine eligible clinical studies, and 76 cadaveric ankles were subject to testing across three eligible biomechanical studies. Meta-analyses revealed a two-fold greater odds of requiring removal of hardware in the lateral plating group compared to the posterior plating group (odds ratio [OR] 2.48, 95% CI 1.58 to 3.91, P < .0001), and a three-fold greater odds of experiencing hardware discomfort in the lateral plating group compared to the posterior plating group (OR 2.96, 95% CI 1.83 to 4.80, P < .0001). There were no significant differences in rates of peroneal tendon irritation, infection, wound complications, operative time, and torque to failure when comparing the two plating methods. CONCLUSION The results of this review indicate that using posterior antiglide plating for distal fibular Weber B-type fractures is associated with significantly fewer reoperations due to hardware complications and less hardware discomfort compared to lateral neutralization plating. This technique does not appear to increase the risk of peroneal tendon irritation or increase operative time.
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Affiliation(s)
- Yi Deng
- Department of Orthopaedic Surgery, Canberra Hospital, Garran, ACT, Australia.,Trauma and Orthopaedic Research Unit, Australian National University Medical School, Garran, ACT, Australia
| | | | | | - Yeong Joe Lau
- Department of Orthopaedic Surgery, Canberra Hospital, Garran, ACT, Australia
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