scholarly journals Results of multiple ligament reconstruction after knee dislocation——A prospective study with 95 patients and minimum 2-year follow up

2021 ◽  
Vol 22 (1) ◽  
Author(s):  
Tao Li ◽  
Yan Xiong ◽  
Zhong Zhang ◽  
Xin Tang ◽  
Gang Chen ◽  
...  
Keyword(s):  
Acute Stage ◽  
Lysholm Score ◽  
Ligament Injuries ◽  
Chronic Stage ◽  
Vas Score ◽  
Subjective Score ◽  
Three Stages ◽  
The Mean ◽  
Tegner Score

Abstract Background There is still a lack of clinical data in arthroscopic treatment for treating multiple ligament injuries. This study aims to evaluate the clinical outcomes of patients with multiple ligament injuries undergoing treatment based on the classification stage and type of injury. Methods A prospective, clinical trial on multiple ligament injuries was planned, which included 95 patients (58 men and 37 women; age: 42.8 ± 11.9 [range, 18–63] years) from October 2017 to June 2018. Injuries were classified into three stages (emergency stage < 24 h; acute stage: 24 h to 3 weeks, and chronic stage: > 3 weeks) and six types (KD I–VI) based on injuries time and structures, which indicated appropriate treatments. The clinical outcomes were evaluated at 2, 4, 6, 8, and 12 weeks and at 6, 9, 12 months and 24 months after surgery. The final choices in efficacy index included International Knee Documentation Committee (IKDC) score, Lysholm score, visual analog scale (VAS) score, and range of motion. Results During the follow-up, all patients exhibited statistically significant functional improvement in the injured limb compared with their preoperative situation. The mean postoperative scores of acute stage patients at 2-year follow-up were IKDC subjective score, 77.54 ± 11.53; Lysholm score, 85.96 ± 9.39; Tegner score, 4.13 ± 1.08; and VAS score, 1.21 ± 0.76. The mean postoperative scores of chronic stage patents at 2-year follow-up were IKDC subjective score, 74.61 ± 12.38; Lysholm score, 81.71 ± 10.80; Tegner score, 3.96 ± 1.14; and VAS score, 1.71 ± 0.60. The IKDC subjective score, Lysholm score, and Tegner score were significantly improved (P < 0.01) and the VAS score was significantly decreased (P < 0.01) at 2-year follow-up. Regarding the multiple ligament injuries classification, patients with more structural damage in stages V and VI showed less progress in functional recovery than those in stages I–IV. Conclusions This new classification with three stages and six types helps to identify the severity of injury and plan the management effectively. The outcomes were encouraging and the subjective functional results showed significant improvement at 2-year follow-up. Study design Prospective clinical trial. Level of evidence II

Internal Fixation of Lateral Trochlear Groove Osteochondritis Dissecans With Simultaneous Lateral Retinacular Lengthening in Adolescent Athletes

2021 ◽  
pp. 036354652110478
Author(s):  
Dhong Won Lee ◽  
Joon Kyu Lee ◽  
Young Chang Cho ◽  
Sang Jin Yang ◽  
Seung Ik Cho ◽  
...  
Keyword(s):  
Internal Fixation ◽  
Vertical Jump ◽  
Lysholm Score ◽  
Trochlear Groove ◽  
Adolescent Athletes ◽  
Isokinetic Muscle Strength ◽  
Subjective Score ◽  
The Mean ◽  
Tegner Activity Scale

Background: The goals of operative treatment for the adolescent athlete with unstable osteochondritis dissecans (OCD) lesion are rigid fixation and prevention of recurrence. Purpose: To evaluate clinical and radiological outcomes of internal fixation of lateral trochlear groove OCD with simultaneous lateral retinacular lengthening. Study Design: Case series; Level of evidence, 4. Methods: Adolescent athletes who had undergone internal fixation and simultaneous lateral retinacular lengthening for an unstable OCD lesion of the lateral trochlear groove were retrospectively reviewed. Subjective assessments included the Lysholm score, International Knee Documentation Committee (IKDC) subjective score, Tegner activity scale, and an athletic questionnaire. Functional tests included isokinetic muscle strength, single-leg hop for distance, single-leg vertical jump, and Y-balance. Pre- and postoperative radiographs and magnetic resonance images were reviewed. Results: The mean ± SD age of the 17 patients included in this study was 15.9 ± 0.9 years; last clinical follow-up duration was 37.7 ± 8.1 months. At the last follow-up, the Lysholm score improved from 68.7 ± 15.3 to 93.4 ± 12.4 and the IKDC subjective score from 60.2 ± 14.7 to 88.7 ± 12.7 ( P < .001). The mean Tegner activity scale score was 9.4 ± 0.5 before injury and 8.9 ± 1.2 at the last follow-up ( P = .059). The limb symmetry indices of isokinetic muscle strength, single-leg hop for distance, single-leg vertical jump, and Y-balance improved at the last follow-up; the mean limb symmetry index was ≥85% in each functional test. Regarding the athletic questionnaire, 16 (94.1%) patients were satisfied with the surgery. At the last follow-up, 2 patients had higher ability after returning to sports, 11 had the same ability, and 3 had lower ability than the preinjury level. Postoperative magnetic resonance imaging at 12-month follow-up showed that the OCD lesion appeared healed in 7 (41.2%) patients and partially healed in 9 (52.9%). Conclusion: Internal fixation of lateral trochlear groove OCD with simultaneous lateral retinacular lengthening in adolescent athletes achieved satisfactory clinical and radiological outcomes. Therefore, this combined surgical technique could be considered an effective treatment for lateral trochlear groove OCD, with a high rate of return to sport.

scholarly journals The Effect of Irreducible Dislocation on Functional Outcomes in Knees With Multiligament Injuries: A Matched-Cohort Analysis

2020 ◽  
Vol 8 (8) ◽  
pp. 232596712094020
Author(s):  
Zhong Zhang ◽  
Kai-Bo Zhang ◽  
Bei-Ni Mao ◽  
Si-Ke Lai ◽  
Jian Li ◽  
...  
Keyword(s):  
Cohort Study ◽  
Soft Tissue ◽  
Functional Outcomes ◽  
Lysholm Score ◽  
Control Group ◽  
Irreducible Group ◽  
Ikdc Score ◽  
The Mean ◽  
Tegner Score

Background: Most cases of bicruciate knee dislocation (KD) with associated posteromedial disruption (KD-IIIM) are reducible, but some cannot be reduced by closed reduction because of soft tissue incarceration. Purpose: To compare the clinical characteristics and functional outcomes of KD-IIIM injuries in patients with or without incarceration of soft tissue requiring open or arthroscopic reduction. Study Design: Cohort study; Level of evidence, 3. Methods: This retrospective cohort study of patients with KD was conducted between January 2013 and December 2017 at a single large institution. We applied a 1:2 matching ratio between patients with irreducible KD-IIIM injuries (irreducible group; n = 14) and those with reducible KD-IIIM injuries (control group; n = 28). There were 13 patients in the irreducible group and 25 in the control group who completed follow-up (≥2 years) and were included in our analysis. The efficacy of treatment in patients with KD was evaluated based on range of motion, the Tegner score, the Lysholm score, and the International Knee Documentation Committee (IKDC) score. Results: At the end of follow-up, the mean Tegner score was 4.5 (range, 4-6), the mean Lysholm score was 79.2 (range, 60-95), and the mean IKDC score was 78.6 (range, 60.9-95.4) in the irreducible group. The respective results in the control group were 4.6 (range, 3-8), 83.1 (range, 39-100), and 80.6 (range, 42.5-96.6). These scores did not differ significantly between the 2 groups. Similarly, mean range of motion was similar between groups (irreducible, 118.1°; control, 124.8°). In the irreducible group, the acute subgroup showed significantly higher Lysholm and IKDC scores than the chronic subgroup, while the acute and chronic subgroups in the control group showed no significant differences in these respective outcome scores. Conclusion: In the present study, the treatment of irreducible KD led to similar functional outcomes compared with reducible KD. However, the treatment of chronic irreducible KD led to worse outcomes compared with acute irreducible KD, and therefore, urgent reduction is recommended in these patients.

Deep brain stimulation of the posterior limb of the internal capsule in the treatment of central poststroke neuropathic pain of the lower limb: case series with long-term follow-up and literature review

2020 ◽  
Vol 133 (3) ◽  
pp. 830-838 ◽  
Author(s):  
Andrea Franzini ◽  
Giuseppe Messina ◽  
Vincenzo Levi ◽  
Antonio D’Ammando ◽  
Roberto Cordella ◽  
...  
Keyword(s):  
Neuropathic Pain ◽  
Lower Limb ◽  
Internal Capsule ◽  
Posterior Limb ◽  
Vas Score ◽  
The Mean ◽  
Deep Brain ◽  
Stimulation Of

OBJECTIVECentral poststroke neuropathic pain is a debilitating syndrome that is often resistant to medical therapies. Surgical measures include motor cortex stimulation and deep brain stimulation (DBS), which have been used to relieve pain. The aim of this study was to retrospectively assess the safety and long-term efficacy of DBS of the posterior limb of the internal capsule for relieving central poststroke neuropathic pain and associated spasticity affecting the lower limb.METHODSClinical and surgical data were retrospectively collected and analyzed in all patients who had undergone DBS of the posterior limb of the internal capsule to address central poststroke neuropathic pain refractory to conservative measures. In addition, long-term pain intensity and level of satisfaction gained from stimulation were assessed. Pain was evaluated using the visual analog scale (VAS). Information on gait improvement was obtained from medical records, neurological examination, and interview.RESULTSFour patients have undergone the procedure since 2001. No mortality or morbidity related to the surgery was recorded. In three patients, stimulation of the posterior limb of the internal capsule resulted in long-term pain relief; in a fourth patient, the procedure failed to produce any long-lasting positive effect. Two patients obtained a reduction in spasticity and improved motor capability. Before surgery, the mean VAS score was 9 (range 8–10). In the immediate postoperative period and within 1 week after the DBS system had been turned on, the mean VAS score was significantly lower at a mean of 3 (range 0–6). After a mean follow-up of 5.88 years, the mean VAS score was still reduced at 5.5 (range 3–8). The mean percentage of long-term pain reduction was 38.13%.CONCLUSIONSThis series suggests that stimulation of the posterior limb of the internal capsule is safe and effective in treating patients with chronic neuropathic pain affecting the lower limb. The procedure may be a more targeted treatment method than motor cortex stimulation or other neuromodulation techniques in the subset of patients whose pain and spasticity are referred to the lower limbs.

scholarly journals Autologous Matrix-Induced Chondrogenesis for Treatment of Focal Cartilage Defects in the Knee: A Follow-up Study

2021 ◽  
Vol 9 (2) ◽  
pp. 232596712098187
Author(s):  
Justus Gille ◽  
Ellen Reiss ◽  
Moritz Freitag ◽  
Jan Schagemann ◽  
Matthias Steinwachs ◽  
...  
Keyword(s):  
Repeated Measures ◽  
Demographic Data ◽  
Case Series ◽  
Defect Size ◽  
Lysholm Score ◽  
Outcome Analysis ◽  
Cartilage Defects ◽  
Chondral Defects ◽  
The Mean

Background: Autologous matrix-induced chondrogenesis (AMIC) is a well-established treatment for full-thickness cartilage defects. Purpose: To evaluate the long-term clinical outcomes of AMIC for the treatment of chondral lesions of the knee. Study Design: Case series; Level of evidence, 4. Methods: A multisite prospective registry recorded demographic data and outcomes for patients who underwent repair of chondral defects. In total, 131 patients were included in the study. Lysholm, Knee injury and Osteoarthritis Outcome Score (KOOS), and visual analog scale (VAS) score for pain were used for outcome analysis. Across all patients, the mean ± SD age of patients was 36.6 ± 11.7 years. The mean body weight was 80.0 ± 16.8 kg, mean height was 176.3 ± 7.9 cm, and mean defect size was 3.3 ± 1.8 cm2. Defects were classified as Outerbridge grade III or IV. A repeated-measures analysis of variance was used to compare outcomes across all time points. Results: The median follow-up time for the patients in this cohort was 4.56 ± 2.92 years. Significant improvement ( P < .001) in all scores was observed at 1 to 2 years after AMIC, and improved values were noted up to 7 years postoperatively. Among all patients, the mean preoperative Lysholm score was 46.9 ± 19.6. At the 1-year follow-up, a significantly higher mean Lysholm score was noted, with maintenance of the favorable outcomes at 7-year follow-up. The KOOS also showed a significant improvement of postoperative values compared with preoperative data. The mean VAS had significantly decreased during the 7-year follow-up. Age, sex, and defect size did not have a significant effect on the outcomes. Conclusion: AMIC is an effective method of treating chondral defects of the knee and leads to reliably favorable results up to 7 years postoperatively.

scholarly journals Isolated medial patellofemoral ligament reconstruction for recurrent patellofemoral instability: analysis of outcomes and risk factors

2021 ◽  
Vol 16 (1) ◽  
Author(s):  
Filippo Migliorini ◽  
Francesco Oliva ◽  
Gayle D. Maffulli ◽  
Jörg Eschweiler ◽  
Matthias Knobe ◽  
...  
Keyword(s):  
Risk Factors ◽  
Surgical Outcomes ◽  
Ligament Reconstruction ◽  
Medial Patellofemoral Ligament ◽  
Patellofemoral Instability ◽  
Mpfl Reconstruction ◽  
Medial Patellofemoral Ligament Reconstruction ◽  
The Mean ◽  
Tegner Score

Abstract Background The medial patellofemoral ligament (MPFL) is always damaged after patellar dislocation. In selected patients, MPFL reconstruction is necessary to restore a correct patellar tracking. Despite the large number of different techniques reported to reconstruct the MPFL, there is no consensus concerning the optimal procedure, and debates is still ongoing. The present study analysed the results after isolated MPFL reconstruction in patients with patellofemoral instability. Furthermore, a subgroup analysis of patients presenting pathoanatomical risk factors was made. Methods In November 2020, the main electronic databases were accessed. All articles reporting the results of primary isolated MPFL reconstruction for recurrent patellofemoral instability were considered for inclusion. Only articles reporting a minimum 12-month follow-up were eligible. Results Data from a total of 1777 knees were collected. The mean age of the patients involved was 22.8 ± 3.4 years. The mean follow-up was 40.7 ± 25.8 months. Overall, the range of motion (+ 27.74; P < 0.0001) and all the other scores of interests improved at last follow-up: Kujala (+ 12.76; P = 0.0003), Lysholm (+ 15.69; P < 0.0001), Tegner score (+ 2.86; P = 0.006). Seventy-three of 1780 patients (4.1%) showed a positive apprehension test. Thirty of 1765 patients (1.7%) experienced re-dislocations, while 56 of 1778 patients (3.2%) showed persisting joint instability. Twenty-five of 1786 patients (1.4%) underwent revision surgeries. Conclusion Isolated MPFL reconstruction for recurrent patellofemoral instability provides reliable surgical outcomes. Patients with pathoanatomical predisposing factors reported worse surgical outcomes.

scholarly journals Preliminary Results in Anatomic All-inside Anterior Cruciate Ligament Reconstruction

2016 ◽  
Vol 1 (s2) ◽  
pp. 23-26
Author(s):  
Octav Russu ◽  
Tiberiu Bățagă ◽  
Andrei-Marian Feier ◽  
Radu Prejbeanu ◽  
Radu Fleaca ◽  
...  
Keyword(s):  
Anterior Cruciate Ligament ◽  
Acl Reconstruction ◽  
Cruciate Ligament ◽  
Knee Laxity ◽  
Clinical Results ◽  
Lysholm Score ◽  
X Rays ◽  
The Mean ◽  
Anterior Cruciate

Abstract Introduction: Anterior cruciate ligament (ACL) rupture is one of the most common lesions in knee traumatology; therefore the number of ACL reconstructions is increasing worldwide. Usually, an anteromedial (AM) accessory portal is required in anatomical positioning of the femoral tunnel, which is not absolutely necessary in this technique. Aim: Assessment of all-inside ACL reconstruction preliminary clinical results with adjustable loops and buttons on both femoral and tibial surfaces. Method: Our prospective study included 28 subjects (19 male, 9 female) with chronic ACL ruptures. The mean age of the study population was 27.72 ± 8.23 years. In all cases ACL reconstruction was carried out with the use of quadrupled semitendinosus auto-grafts with adjustable loops and buttons on the femoral and tibial surfaces and anatomic placement of both tunnels, using an outside-in technique, with flipcutters (Arthrex®). Clinical and radiological evaluations were carried out before surgery and at 3 and 6 months postoperatively, with the Lysholm scoring system, the Tegner activity scale and anterior-posterior and latero-lateral X-rays. Anterior knee laxity was measured in 25° of flexion using a portable arthrometer (RolimeterTM, Aircast®) and maximum manual force. Results: During the final follow-up, the Lysholm score was good and excellent in 27 cases, with a mean Lysholm score of 95.55 ± 4.63; all results were classified as good. The mean preoperative Tegner activity score was 3.46 ± 1.71 (range: 1-7), and the post-operative mean score was 5.75 ± 2.24 (range: 2-10). We found no graft ruptures. Preoperative knee laxity measurements showed a mean displacement of 11.5 ± 3.1 mm and side-to-side differences of 5.6 ± 3.5 mm, while the postoperative measurements at the last follow-up were 6.3 ± 1.54 mm and 2.65 ± 1.86 mm, respectively. Conclusion: Short-term clinical outcomes of all-inside ACL restoration with anatomic placement femoral and tibial tunnels seem to recommend this surgical option, with good subjective and objective results. Additional research will have to prove the long-term success.

Endoscopic Resection of Different Types of Talocalcaneal Coalition

2018 ◽  
Vol 39 (9) ◽  
pp. 1082-1088 ◽  
Author(s):  
Wael Aldahshan ◽  
Adel Hamed ◽  
Faisal Elsherief ◽  
Ashraf Mohamed Abdelaziz
Keyword(s):  
Endoscopic Resection ◽  
Nonoperative Treatment ◽  
Level Of Evidence ◽  
Vas Score ◽  
Talocalcaneal Coalition ◽  
Short Term Study ◽  
Different Types ◽  
The Mean ◽  
American Orthopaedic

Background: The purpose of this study was to describe the technique of endoscopic resection of talocalcaneal coalition (TCC) by using 2 posterior portals and to report the outcomes of endoscopic resection of different types and sites of TCC. Methods: An interventional prospective study was conducted on 20 feet in 18 consecutive patients who were diagnosed by computed tomography to have TCC for which nonoperative treatment had failed and endoscopic resection was performed. The patients were divided into groups according to the site of the coalition (middle facet or posterior facet) and according to type (fibrous, cartilage, or bony). The mean follow-up period was 26 months (range, 6-36). Results: The average preoperative American Orthopaedic Foot & Ankle Society (AOFAS) hindfoot score was 57.7 (range, 40-65), and the average preoperative visual analog scale (VAS) score was 7.8 (range, 6-8). The average postoperative AOFAS hindfoot score was 92.4 (range, 85-98; P < .01). The average postoperative VAS score was 2.4 (range, 1-4). All patients showed no recurrence on postoperative lateral and Harris-Beath X-ray until the end of the study. Conclusions: Endoscopic resection of TCC was an effective and useful method for the treatment of talocalcaneal coalition. It provided excellent outcomes with no recurrence in this short-term study. Resection of the fibrous type had a better outcome than resection of cartilage and bony types. Endoscopic resection of the posterior coalition had a better outcome than resection of the middle coalition. Level of Evidence: Level III, comparative study.

Is precise open excision a more suitable surgical method for osteoid osteoma?

2020 ◽  
Author(s):  
Yuhao Yuan ◽  
Feng Long ◽  
Qing Liu ◽  
Ziyi Wu ◽  
Hongbo He ◽  
...  
Keyword(s):  
Osteoid Osteoma ◽  
High Speed ◽  
Pathological Examination ◽  
Vas Score ◽  
Primary Surgery ◽  
Second Surgery ◽  
The Mean ◽  
High Speed Burr ◽  
Open Excision

Abstract Background The aim of this retrospective study was to evaluate the efficacy of precise open excision surgery to treat osteoid osteoma with C-arm assisted precise localization during the operation. Methods From June 2010 to June 2017, patients with osteoid osteoma of the extremities who had undergone treatment by high speed burr grinding, full scratching with curette, and C-arm assisted lesion localization during the operation were analyzed retrospectively. The preoperative and postoperative pain was assessed by the visual analogue scale (VAS) scoring. The patients were followed up regularly, and the advantages, effects, and complications of the therapeutic technique were analyzed. Results The study consisted of 94 patients (59 males, 35 females; mean age, 17.6 ± 8.5 years) and they were followed up for a mean of 38.9 months (range, 24–72 months). All patients were diagnosed with osteoid osteoma by postoperative pathological examination. Follow-up consisted of imaging reexamination and clinical evaluation. If the patients did not take non-steroidal anti-inflammatory drugs (NSAIDs) before the operation, the mean pre-operative VAS score was 6.7, and the mean VAS score of all patients was 0 one month after operation. The mean time for all patients to resume normal daily activities was 14.3 days (range, 10–21 days). There was no recurrence of pain, infection, vascular or nerve injury, and fracture complications during the follow-up. In only one case of distal femur osteoid osteoma (OO), review X-ray found a suspected recurrence 50 months after the primary surgery and subsequently, the patient underwent a second surgery. Till date, the patient has reported no discomfort following the second surgery. Conclusions For treatment of osteoid osteoma, open incision and minimal resection with C-arm assisted tumor localization is still a suitable method, especially for osteoid osteoma located on the surface of the cortical bone.

scholarly journals Comparison Of Medial Arch-Supporting Insoles And Heel Pads In The Treatment Of Plantar Fasciitis

2015 ◽  
Vol 16 (1) ◽  
pp. 39-42 ◽  
Author(s):  
Melih Malkoc ◽  
Ozgur Korkmaz ◽  
Adnan Kara ◽  
Ismail Oltulu ◽  
Ferhat Say
Keyword(s):  
Daily Activity ◽  
Plantar Fasciitis ◽  
Plantar Fascia ◽  
Clinical Results ◽  
Activity Score ◽  
Vas Score ◽  
Sporting Activity ◽  
Significant Difference ◽  
The Mean

ABSTRACTPlantar fasciitis is a disorder caused by inflammation of the insertion point of the plantar fascia over the medial tubercle of the calcaneus. Foot orthotics are used to treat plantar fasciitis. Heel pads medialise the centre of force, whereas medial arch supporting insoles lateralise the force. We assessed the clinical results of the treatment of plantar fasciitis with silicone heel pads and medial arch-supported silicone insoles.We retrospectively reviewed 75 patients with heel pain. A total of 35 patients in the first group were treated with medial arch supporting insoles, and 40 patients in the second group were treated with heel pads. The patients were evaluated with the Visual Analogue Scale (VAS) and the Foot and Ankle Ability Measure (FAAM) at the first and last examinations.The mean VAS score in the first group was 8.6±1,2 (6-10); the FAAM daily activity score was 66.2±16 (41.2-95.0), and the sporting activity score was 45.4±24,4 (0.1-81) before treatment. At the last follow-up in this group, the mean VAS score was 5.3±1,5 (0-9); the FAAM daily activity score was 83,0±15,1 (55,9-100), and the sporting activity score was 73,5±26,2 (25-100). The mean VAS score in the second group was 8,6±0,9 (7-10); the FAAM daily activity score was 66.4±17 (41.4-95.2), and the sporting activity score was 45.8±24,2 (0.8-81, 3) before the treatment. At the last follow-up in this group, the mean VAS score was 5.5±1,2 (0-9); the FAAM daily activity score was 83.4±14,9 (60, 2-100), and the sporting activity score was 73.8±26 (28-100).There was no significant difference in the clinical results of both groups. The force distribution by the use of silicone heel pads and medial arch-supported silicone insoles had no effect on the clinical results of the treatment of plantar fasciitis.

Arthroscopic-Assisted Versus All-Arthroscopic Ankle Stabilization Technique

2020 ◽  
Vol 41 (11) ◽  
pp. 1360-1367 ◽  
Author(s):  
Matteo Guelfi ◽  
Gustavo Araujo Nunes ◽  
Francesc Malagelada ◽  
Guillaume Cordier ◽  
Miki Dalmau-Pastor ◽  
...  
Keyword(s):  
Ankle Instability ◽  
Clinical Results ◽  
Pain Scale ◽  
Chronic Ankle Instability ◽  
Percutaneous Technique ◽  
Aofas Score ◽  
Level Of Evidence ◽  
Vas Score ◽  
The Mean

Background: Both the percutaneous technique with arthroscopic assistance, also known as arthroscopic Broström (AB), and the arthroscopic all-inside ligament repair (AI) are widely used to treat chronic lateral ankle instability. The aim of this study was to compare the clinical outcomes of these 2 arthroscopic stabilizing techniques. Methods: Thirty-nine consecutive patients were arthroscopically treated for chronic ankle instability by 2 different surgeons. The AB group comprised 20 patients with a mean age of 30.2 (range, 18-42) years and a mean follow-up of 19.6 (range, 12-28) months. The AI group comprised 19 patients with a mean age of 30.9 (range, 18-46) years and mean follow-up of 20.7 (range, 13-32) months. Functional outcomes using the American Orthopaedic Foot & Ankle Society (AOFAS) hindfoot score and visual analog pain scale (VAS) were assessed pre- and postoperatively. Range of motion (ROM) and complications were recorded. Results: In both groups the AOFAS and VAS scores significantly improved compared with preoperative values ( P < .001) with no difference ( P > .1) between groups. In the AB group the mean AOFAS score improved from 67 (range, 44-87) to 92 (range, 76-100) and the mean VAS score from 6.4 (range, 3-10) to 1.2 (range, 0-3). In the AI group the mean AOFAS score changed from 60 (range, 32-87) to 93 (range, 76-100) and the mean VAS score from 6.1 (range, 4-10) to 0.8 (range, 0-3). At the final follow-up 8 complications (40%) were recorded in the AB group. In the AI group 1 complication (5.3%) was observed ( P < .05). Conclusion: Both the AB and AI techniques are suitable surgical options to treat chronic ankle instability providing excellent clinical results. However, the AB had a higher overall complication rate than the AI group, particularly involving a painful restriction of ankle plantarflexion and neuritis of the superficial peroneal nerve. Level of Evidence: Level III, retrospective comparative study.

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