Arthroscopic management of pediatric ankle fractures: a systematic review
Review Article

Arthroscopic management of pediatric ankle fractures: a systematic review

Kempland C. Walley1 ORCID logo, Anthony N. Baumann2,3 ORCID logo, Deven P. Curtis2 ORCID logo, Tania Mamdouhi1 ORCID logo, Albert T. Anastasio4 ORCID logo, Samuel B. Adams4 ORCID logo

1Department of Orthopedic Surgery, University of Michigan, Ann Arbor, MI, USA; 2College of Medicine, Northeast Ohio Medical University, Rootstown, OH, USA; 3Department of Rehabilitation Services, University Hospitals, Cleveland, OH, USA; 4Department of Orthopedic Surgery, Duke University, Durham, NC, USA

Contributions: (I) Conception and design: KC Walley, AN Baumann, AT Anastasio, DP Curtis, SB Adams; (II) Administrative support: SB Adams; (III) Provision of study materials or patients: KC Walley, AN Baumann, AT Anastasio, DP Curtis, SB Adams; (IV) Collection and assembly of data: KC Walley, AN Baumann, AT Anastasio, DP Curtis, SB Adams; (V) Data analysis and interpretation: All authors; (VI) Manuscript writing: All authors; (VII) Final approval of manuscript: All authors.

Correspondence to: Anthony N. Baumann, DPT. College of Medicine, Northeast Ohio Medical University, 4209 St, OH-44, Rootstown, OH 44272, USA; Department of Rehabilitation Services, University Hospitals, Cleveland, OH, USA. Email: abaumann@neomed.edu.

Background: Arthroscopic-assisted treatment of ankle fractures has proven useful in the adult population, but little evidence exists for the utilization of arthroscopic-assisted ankle fracture fixation in the pediatric population. The purpose of this systematic review is to examine the management of pediatric ankle fractures using arthroscopy.

Methods: A systematic review was performed using PubMed, Web of Science, CINAHL, and MEDLINE from database inception to February 22nd, 2023. Inclusion criteria for this systematic review was pediatric population less than age 18, arthroscopic surgery management, and ankle fracture.

Results: A total of 19 articles (n=30 patients) out of 176 articles met final inclusion criteria with all articles consisting of case reports or case series. The average patient age was 13.8±1.6 years. Sixteen of the patients (53%) had arthroscopic surgery along with an adjunct surgery as indicated, whereas 14 patients (47%) had arthroscopic surgery with or without percutaneous fixation. A high majority of patients demonstrated full range-of-motion and large improvements in function.

Conclusions: Arthroscopy is used with percutaneous fixation or in adjunct to open approaches for pediatric ankle fracture management with good results. More research is needed to determine the utility of arthroscopy in the management of pediatric ankle fractures.

Keywords: Pediatrics; ankle fractures; ankle arthroscopy; arthroscopic-assisted management; fracture management


Received: 08 September 2023; Accepted: 31 December 2023; Published online: 09 April 2024.

doi: 10.21037/aoj-23-51


Highlight box

Key findings

• Ankle arthroscopy is being used as a stand-alone treatment with percutaneous fixation for fracture fixation and as an adjunct for open approaches in the pediatric population.

What is known and what is new?

• The utility of ankle arthroscopy in the treatment of adult ankle fracture has been shown to be useful.

• Arthroscopic-assisted management of pediatric ankle fractures is being used with good outcomes as both a method for percutaneous fixation and an adjunct to open approaches.

What is the implication, and what should change now?

• Direct comparison with long-term follow-up of arthroscopic surgery to open reduction and internal fixation (ORIF) alone or ORIF in tandem with arthroscopic surgery for pediatric ankle fractures is needed.


Introduction

Ankle fractures are among the most common orthopedic injuries sustained in the pediatric population. These injuries can have a significant impact on long-term patient function (1-3). Pediatric ankle fractures, which include fractures to the distal fibula or tibia, constitute about 5% of all fractures in the pediatric population, and more frequently require surgical intervention for proper management than other common pediatric fractures (1,3). Due to the nature and impact of pediatric ankle fractures on long-term patient outcomes, including posttraumatic arthritis and alterations to activity level which may impact developmental psychology, these fractures currently pose a significant challenge to orthopedic surgeons and patients alike (1,3). Adding to the complexity of the management of pediatric ankle fractures for orthopedic surgeons, there are several surgical options that exist for anatomical reduction and fixation, including both open and arthroscopic approaches (1-5). Recently, there has been increasing interest in the use of arthroscopic surgery for the management of pediatric ankle fractures (4,6-9).

A large amount of research has been performed to examine the impact and utility of ankle arthroscopy in adult ankle fractures. Arthroscopy can be applied as a diagnostic tool prior to open components of surgical fixation to assess for syndesmotic or other ligamentous disruption and osteochondral injury, or as an adjunct during open reduction and internal fixation (ORIF), to optimize visualization of articular congruity with compelling improvements in radiographic parameters and patient-reported outcomes (2,10,11). Despite the growing body of evidence supporting the use of arthroscopy for adult ankle fractures, there is limited evidence on the effectiveness of arthroscopic-assisted management of these injuries in the pediatric population. To date, there exists no systematic review on the use of arthroscopy for the management of pediatric ankle fractures. The purpose of this study is to assess the use, effectiveness, and outcomes of arthroscopy in the management of pediatric ankle fractures to prevent complications and improve patient outcomes. We present this article in accordance with the PRISMA reporting checklist (available at https://aoj.amegroups.com/article/view/10.21037/aoj-23-51/rc).


Methods

Initial search criteria

A systematic review on the topic of arthroscopic management of pediatric ankle fractures was performed using PubMed, Web of Science, CINAHL, and MEDLINE from database inception to February 22nd, 2023. Exact search terms used in each database were Arthroscopic AND (Pediatric OR children OR adolescents OR juvenile) AND (Ankle OR “distal tibia” OR talus OR fibula OR syndesmosis) AND “Fracture”. Article screening was performed by multiple authors.

Inclusion and exclusion criteria

Inclusion criteria for this systematic review were pediatric population less than age 18, arthroscopic surgery management of the patient’s condition, fracture involving the ankle joint, and studies with level of evidence I–IV. Exclusion criteria were adult population age 18 and older, patient treatment with open surgery only or no surgery at all, and no fracture in the patient diagnosis.

Data extraction

Data extraction and compilation were completed by two authors. If disagreements in inclusion were identified, said article would be appraised by a third author as a tie-breaker. Data collected include first author, year of publication, full title, age of patient, sex of patient, type of surgery, type of fixation along with arthroscopic surgery, patient diagnosis, adjunct surgery, time until fracture union in weeks, time until return to preinjury activity in weeks, follow-up time in months, and other additional notes on outcomes and/or complications.

Statistical analysis

Statistical analysis was performed using SPSS version 29.0 (Armonk, NY: IBM Corp) for this systematic review. Frequency counts and descriptive analysis including mean, standard deviations, and ranges were performed for the current study.


Results

A total of 19 articles of the 176 articles obtained during the initial search met final inclusion criteria for this systematic review (4,5,8,9,12-26). There was a 100% agreement between articles included for review without the need for any article to be elevated for tertiary review. Refer to Figure 1 for PRISMA diagram outlining initial search, title and abstract screening, and full-text review for final inclusion. During the systematic review, only articles containing case reports or case series were found on the subject of arthroscopic management of pediatric ankle fractures; no prospective cohort, retrospective cohort, or randomized controlled trials were found in the literature. No bias assessment was done for the articles due to the low-level nature of these studies. This systematic review represents the largest case series concerning the arthroscopic management of pediatric ankle fractures.

Figure 1 PRISMA diagram for the study.

From the 19 included articles, 30 total pediatric patients with ankle fractures and subsequent arthroscopic surgery were included (Table 1). The patients had an average age of 13.8±1.6 years (range, 11–17 years) with 73.3% (n=22) of patients being male. Sixteen of the patients (53%) had arthroscopic surgery along with an adjunct surgery as indicated for their condition whereas 14 patients (47%) had arthroscopic surgery with or without percutaneous fixation. Of the 14 patients who underwent arthroscopic surgery without subsequent surgery, 86% (n=12) had percutaneous fixation to stabilize the fracture site. Of the two remaining patients who had arthroscopic surgery without subsequent surgery, one patient had bone grafting without fracture fixation and the other had bone removal and resection without fixation. Of the 27 patients (90%) with recorded follow-up times, the average follow-up time was 18.6±14.3 months (range, 1.5–60 months). Twenty-three of the patients (77%) underwent arthroscopic surgery for ankle fractures involving the epiphyseal plate. Refer to Table 1 for more information on all articles and extracted data included in the present study.

Table 1

Description of included articles

Study Patient age (years) Sex Diagnosis Surgery type Adjunct surgery Time to fracture union (weeks) Time to resume preinjury activity (weeks) Follow-up (months) Notes
Hama [2018] (5) 14 Male Talus body fracture Arthroscopic assisted reduction and internal fixation External fixation 12 No sign of avascular necrosis or arthrosis one-year post-op, walking full-weight bearing 8 months after operation, similar ROM to other side, first JOA score was 9, JOA follow-up is one year (9 improved to 95)
Jennings [2007] (8) 11 Male Tibial triplane with posterolateral displacement, spiral fibula Arthroscopic reduction and percutaneous fixation Minimally invasive ORIF of fibula 6 10 36 Full ROM at three year follow-up with no complaints, three year X-ray had complete closure of physis and anatomic configuration of ankle
Jennings [2007] (8) 12 Female Tibial triplane with articular step-off Arthroscopic reduction and percutaneous fixation None 6 12 30 At follow-up of 30 months, no symptoms and could regularly do sports, symmetric ROM in both ankles
Jennings [2007] (8) 15 Male Tibial triplane with articular step-off Arthroscopic reduction and percutaneous fixation None 6 9 12 Asymptomatic, playing high school football, and normal ROM at one-year follow-up
Jennings [2007] (8) 15 Male Tibial triplane, minimally displaced distal 1/3 spiral fibula Arthroscopic reduction and percutaneous fixation Fasciotomy with delayed primary closure 6 14 12 Back to full activity and symmetrical ROM bilaterally
Jennings [2007] (8) 13 Male Tillaux with anterolateral displacement Arthroscopic reduction and percutaneous fixation None 6 9.5 60 After five year follow-up, full return to activity, full ROM, and no evidence of degenerative OA
Jennings [2007] (8) 15 Male Tibial triplane with posterolateral displacement, oblique fibula Arthroscopic reduction and percutaneous fixation Minimally invasive ORIF of fibula 6 11 48 Playing college football after four years without any limitations or symptoms
Panagopoulos [2007] (12) 14 Male Tillaux fracture Arthroscopic reduction and fixation None 12 14 3.5 AOFAS score of 100 after 14 weeks
Funasaki [2014] (13) 11 Male Lateral process of talus fracture, loose body within talocalcaneal joint Arthroscopic excision of fragments None 5 12 After 12 months, had full ROM, asymptomatic, 100 points on Ankle-Hindfoot Scale, and playing soccer on semiprofessional junior team
Thaunat [2007] (14) 16 Male Tillaux fracture Arthroscopic reduction and fixation None 6 1.5 No follow-up information
Wajsfisz [2012] (15) 17 Female Hawkins type III talar neck fracture Arthroscopic reduction and fixation None 52 52 29 No complications, full ROM, AOFAS score of 97 at 29 months, and MRI showed no avascular necrosis
Whipple [1993] (16) 13 Female Triplane fracture of distal tibia Arthroscopic reduction and internal fixation None 26 6 Follow-up at 6 months showed normal radiograph with closed growth plates (same as opposite ankle), full weight bearing, normal gait, full ROM, no persistent symptoms, and no limitation to function
Whipple [1993] (16) 16 Male Triplane fracture of distal tibia Arthroscopic reduction and internal fixation None 6 12 Healed fracture and closed growth plates at 6 weeks, returned one year later with ankle fracture, no X-ray showed no fracture, angulation, or malalignment with full ROM and he was fully active prior to reinjury
Subairy [2004] (17) 15 Female Talus body fracture Arthroscopic assisted reduction and percutaneous fixation None No follow-up information
McGillion [2007] (18) 13 Female Triplane fracture of distal tibia Arthroscopic reduction and percutaneous fixation None 12 12 12 Returned to normal activity with minimal discomfort, full ROM
McGillion [2007] (18) 13 Female Triplane fracture of distal tibia Arthroscopic reduction and percutaneous fixation None 12 12 12 Returned to normal activity with minimal discomfort, full ROM
McGillion [2007] (18) 14 Male Triplane fracture of distal tibia Arthroscopic reduction and percutaneous fixation None 12 12 12 Returned to normal activity with minimal discomfort, full ROM
McGillion [2007] (18) 14 Male Triplane fracture of distal tibia Arthroscopic reduction and percutaneous fixation Open reduction and internal fixation 12 12 12 Returned to normal activity with minimal discomfort, full ROM
Leetun [2002] (19) 14 Male Tillaux fracture Arthroscopic assisted reduction and fixation Ankle arthrotomy Fracture healed successfully with closure of distal tibial physis as expected
Al-Aubaidi [2013] (4) 11 Male Salter-Harris type III fracture of distal medial tibial epiphyseal plate Arthroscopic assisted reduction and percutaneous fixation Prior closed reduction and percutaneous fixation, no surgery after arthroscopic surgery 8 16 No complaints, no growth disturbances, normal ROM, healed uneventfully
Ogawa [2017] (9) 14 Female Tillaux fracture (SH type III distal tibial epiphyseal fracture) Arthroscopic assisted reduction and fixation Implant removal 14 18 AOFAS score was 100 at 18 months, had implant removal at 9 months with another operation to assess the repair, showing smooth articular surface, no displacement, and no step off
Imade [2004] (20) 14 Male Triplane fracture of distal tibia Arthroscopic assisted percutaneous fixation was performed Second-look arthroscopy 12 12 Two month after surgery could walk without discomfort, three months could run without pain, return to athletic activities after three months, smooth and congruous articular surface after one year second look arthroscopy, AOFAS score was 100 after one year, good alignment and no degenerative changes after one year
Baliga [2019] (21) 12 Male Large cystic lesion within the body of the talus with associated pathological fracture Arthroscopic curettage and bone grafting None 40 24 12 Delayed wound healing at bone graft donor site, healed by 4 weeks, asymptomatic and had resumed sports at school at 6 months, AOFAS at 6 months was 86, AOFAS at one year was 100
Storm [1996] (22) 17 Male Lateral talar dome fracture and medial facet intra-articular fracture Arthroscopic removal of talar dome fragment Subsequent open resection of medial facet 12 No pain, full ROM, and slight limitation of subtalar ROM at one year. He had not yet returned to sports
Isaka [2021] (23) 13 Female Tillaux fracture Pre-operative and post-operative arthroscopic assessment Open reduction and internal fixation 12 12 Able to play soccer at 3 months, removed screw at 10 months, and no deformity or arthritis on X-ray at one year
Isaka [2021] (23) 13 Male Triplane fracture Pre-operative and post-operative arthroscopic assessment Open reduction and internal fixation 12 14 Able to play soccer at 3 months, removed screws at 6 months, no deformity or osteoarthritis at 14 months, no pain or joint contracture
Isaka [2021] (23) 13 Male Triplane fracture Pre-operative and post-operative arthroscopic assessment Open reduction and internal fixation Asymptomatic at final follow-up, screws removed at 5 months
Lee [2019] (24) 16 Male Vertical fracture of medial malleolus Arthroscopic modified Brostrom procedure Concurrent open reduction and internal fixation 12 12 12 Complete union and gradual advancement to full activity at 3 months, hardware removed at 1 year after operation, returned to baseball
Yoshimoto [2021] (25) 13 Male Medial malleolar stress fracture, vertical fracture line involving epiphyseal plate Arthroscopic modified Brostrom procedure Concurrent open reduction and internal fixation 12 12 24 Complete bone union at three months, returned to football, marked improvement in Self-Administered Foot Evaluation Questionnaire at two years
Kothadia [2017] (26) 13 Male Depressed fracture of lateral dome of talus with sagittal split, fracture of lateral process of talus, and Salter-Harris type IV injury medial malleolus with coronal split Arthroscopic reduction and internal fixation for talus Closed reduction with internal fixation for distal tibia 48 Ankle dorsiflexion 20 degrees and full plantarflexion ROM at six-month follow-up, implants removed at one year, four-year follow-up had 20 degrees of ankle dorsiflexion compared to 40 degrees on contralateral side, pain-free ROM, and returned to prior level of function

ROM, range-of-motion; JOA, Japanese Orthopedic Association; ORIF, open reduction internal fixation; OA, osteoarthritis; AOFAS, American Orthopedic Foot and Ankle Score; MRI, magnetic resonance imaging; SH type, Salter-Harris type.

Of the 20 patients (67%) with recorded time until resumed preinjury activity, the average return to preinjury activity was 14.1±9.55 weeks (range, 5–52 weeks). Of the 19 patients (63%) with recorded time until fracture union, the average time until fracture union was 13.8±12.6 weeks (range, 6–52 weeks). Of the 17 patients with range-of-motion (ROM) listed as an outcome, 16 patients (94%) had either “full” or “normal” ROM. Of the seven patients with outcome measure scores at follow-up, four patients scored 100 on the American Orthopedic Foot and Ankle Score (AOFAS), one patient scored 97 on the AOFAS, one patient scored 100 on Ankle Hindfoot Score, and one patient scored 95 on Japanese Orthopedic Association (JOA). Only one patient (3%) required ORIF due to failed arthroscopic assisted reduction and fixation.


Discussion

This systematic review represents the largest grouped series to date of pediatric ankle fractures managed utilizing arthroscopic-assisted treatment. Unfortunately, this topic is under-investigated in the literature, as only low-level research in the form of case reports and case series (e.g., level IV evidence) documenting the use of arthroscopy in the treatment of ankle fractures in the pediatric population is available for analysis. Our analysis in pediatric populations—as defined as patients below age 18—is consistent with the literature for adults in that ankle arthroscopy can be utilized either as a stand-alone treatment with percutaneous fixation for fixation of fractures or as an adjunct treatment to open approaches for fracture management (1,2,6,23). Fifty-three percent of patients (n=16) had arthroscopy along with another surgery in an adjunct manner while 47% of patients (n=14) underwent arthroscopic surgery with or without percutaneous fixation for fracture management. In our study, percutaneous fixation is commonly used during arthroscopic surgery as 85% of patients who only had arthroscopic surgery received percutaneous fixation for fracture stabilization. According to the literature, using arthroscopy as an adjunct to ORIF may be valuable to identify intra-articular pathology that may not be recognized during ORIF alone (10,27). This is an important point to underscore, as the rate of missed intra-articular pathology has been reported to be as high as 79% in ankle fractures (2,7,27). The utility of arthroscopy to identify intra-articular pathology in the pediatric population may be meaningful in fractures that incorporate open epiphyseal plates with articular involvement and contribute toward growth disturbance, deformity and long-term impairments (1,3,10,27). Likewise, it is imperative to recognize that despite anatomic articular congruity restoration in the treatment of pediatric ankle fractures, the development of growth disturbances may not necessarily be prevented, since physeal insult may occur in the absence of articular extension in a pediatric ankle fracture. As such, ankle arthroscopy may only be applicable and have clinical utility in Salter-Harris III fractures of the tibial plafond or physeal fractures of the distal fibula, often seen in triplane ankle fractures. In our systematic review, 23 out of the total 30 patients (77%) had fractures involving the epiphyseal plate, which may or may not have been observable via diagnostic arthroscopy.

In terms of general outcomes for pediatric ankle fracture management using arthroscopic surgery, our study found that a high majority of patients (94%) had either “full” or “normal” ROM at final follow-up, indicating good-to-excellent improvement after surgery (Table 1). Furthermore, many studies in this systematic review recorded time until return to preinjury activity, which was found to be 14.1±9.55 weeks (range, 5–52 weeks) across the study population. There are no available parametric studies available to appraise whether arthroscopy, either as a stand-alone or in adjunct to ORIF, provides faster return to preinjury activity or improvements in ROM compared to ORIF alone in the pediatric population. This comparison has been examined in adult patients with the addition of arthroscopy to ankle fracture treatment yielding several benefits (11,27). Direct comparison in this regard represents an avenue for further investigation.

It should be noted that one patient in our study (3%) required revision ORIF after the initial arthroscopic-assisted surgical management failed to achieve adequate fixation. Thus, it is possible that arthroscopic surgery alone may not be suitable for all pediatric ankle fractures in every situation, prompting orthopaedic surgeons to use their discretion when developing a surgical plan.

There are several limitations that impact the results of this systematic review. First, the broad utility and strength of this systematic review is limited due to the lack of strength in evidence on available literature on this topic as only case reports and case studies could be found on the topic of arthroscopic management of pediatric ankle fractures.

Therefore, one of the main benefits of this study is to draw attention to the limited research on this topic to help motivate future investigation. However, in pooling all the available literature regarding this topic, we have generated by far the largest clinical series to date of patients being treated for ankle fracture with arthroscopy, either as stand-alone treatment or in conjunction with internal fixation. Secondly, many studies did not report homogenous outcomes, precluding pooled analysis of the outcomes of arthroscopic surgery for pediatric ankle fractures. Furthermore, there were no significant complications reported for any of the thirty patients included in this systematic review, a finding which may be due to the limited duration of the follow-up in the majority of the studies. It remains to be seen if complication rates for arthroscopic-assisted ankle fracture surgery differ from that of purely open surgery in the pediatric population. Taking into consideration these important limitations, orthopaedic surgeons can conclude that the indication for arthroscopic evaluation in pediatric ankle fractures is not yet substantiated in the literature due to lack of available clinical evidence. Sensibly, more research is needed to determine the impact and the utility of arthroscopic surgery for pediatric ankle fractures.


Conclusions

Arthroscopic-assisted management of pediatric ankle fractures has the potential to improve outcomes, especially for fractures involving open physes to enhance reduction and reduce the risk of resultant growth disturbance, deformity, and associated long-term morbidity. This systematic review represents the largest collection of pediatric patients undergoing arthroscopic surgery for ankle fractures to date. Arthroscopy has been used as a stand-alone with percutaneous fixation or in tandem with open surgeries for ankle fracture management in the pediatric population. More research is needed to fully elucidate the utility of this treatment modality as well as the subsequent impact on outcomes and complication rates. Direct comparison with long-term follow-up of arthroscopic surgery to ORIF alone or ORIF in tandem with arthroscopic surgery for pediatric ankle fractures is required.


Acknowledgments

Funding: None.


Footnote

Reporting Checklist: The authors have completed the PRISMA reporting checklist. Available at https://aoj.amegroups.com/article/view/10.21037/aoj-23-51/rc

Peer Review File: Available at https://aoj.amegroups.com/article/view/10.21037/aoj-23-51/prf

Conflicts of Interest: All authors have completed the ICMJE uniform disclosure form (available at https://aoj.amegroups.com/article/view/10.21037/aoj-23-51/coif). A.T.A. reports consulting fees from QPIX Solutions. S.B.A. reports the relationships with Conventus, Enovis, in2bones, Restor3d, and Stryker. The other authors have no conflicts of interest to declare.

Ethical Statement: The authors are accountable for all aspects of the work in ensuring that questions related to the accuracy or integrity of any part of the work are appropriately investigated and resolved.

Open Access Statement: This is an Open Access article distributed in accordance with the Creative Commons Attribution-NonCommercial-NoDerivs 4.0 International License (CC BY-NC-ND 4.0), which permits the non-commercial replication and distribution of the article with the strict proviso that no changes or edits are made and the original work is properly cited (including links to both the formal publication through the relevant DOI and the license). See: https://creativecommons.org/licenses/by-nc-nd/4.0/.


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doi: 10.21037/aoj-23-51
Cite this article as: Walley KC, Baumann AN, Curtis DP, Mamdouhi T, Anastasio AT, Adams SB. Arthroscopic management of pediatric ankle fractures: a systematic review. Ann Joint 2024;9:17.

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