1. Extra-laminar microscopic-assisted percutaneous nucleotomy (EL-MAPN) for the treatment of foraminal lumbar disc prolapse, a modified minimally invasive approach

   • Mohamed Alhashash
   • Hani Gendy
   • Mootaz Shousha

   Orthopaedic Surgery 07 March 2021 Pages: 2405 - 2411

   

2. Anterior hip replacement: lower dislocation rates despite less restrictions?

   • Anna Jungwirth-Weinberger
   • Tom Schmidt-Braekling
   • Friedrich Boettner

   Orthopaedic Surgery 09 March 2021 Pages: 2413 - 2417

3. Comparison of tibial plateau fracture surgical outcomes between young and elderly patients: are outcomes really poorer in the elderly?

   • Joon-Kuk Kim
   • Kyu-Tae Hwang
   • Ki-Chul Park

   Orthopaedic Surgery 10 March 2021 Pages: 2419 - 2427

   

4. Patient compliance with hip precautions 12 weeks following primary elective total hip arthroplasty

   • Jamie McNaught
   • Deborah Davidson
   • Rohit Maheshwari

   Orthopaedic Surgery 12 March 2021 Pages: 2429 - 2433

   

5. Effectiveness and safety of percutaneous kyphoplasty combined with zoledronic acid in treatment of osteoporotic vertebral compression fractures: a meta-analysis

   • Min Zhuang
   • Bin Cai
   • Fanfan Wang

   Orthopaedic Surgery 13 March 2021 Pages: 2435 - 2443

   

6. Management of septic and aseptic prepatellar bursitis: a systematic review

   • Oliver S. Brown
   • T. O. Smith
   • C. B. Hing

   Orthopaedic Surgery 15 March 2021 Pages: 2445 - 2457

   

7. Anatomical and reverse megaprosthesis in proximal humerus reconstructions after oncologic resections: a systematic review and meta-analysis

   • Michele Fiore
   • Andrea Sambri
   • Massimiliano De Paolis

   Orthopaedic Surgery 15 March 2021 Pages: 2459 - 2469

   

8. Accuracy of digital templating of uncemented total hip arthroplasty at a certified arthroplasty center: a retrospective comparative study

   • D. Dammerer
   • A. Keiler
   • M. Liebensteiner

   Orthopaedic Surgery Open access 16 March 2021 Pages: 2471 - 2480

   

9. Treatment of acquired patella baja by proximalization tibial tubercle osteotomy significantly improved knee joint function but overall patient-reported outcome measures remain diminished after two to four years of follow-up

   • Sebastian Schmidt
   • Natalie Mengis
   • Peter Balcarek

   Orthopaedic Surgery 17 March 2021 Pages: 2481 - 2487

   

10. Usefulness of histology for predicting infection at the time of hip and knee revision in patients with rheumatoid arthritis

    • C. Montoya-delaTorre
    • J. A. Fernández-Valencia
    • E. Muñoz-Mahamud

    Orthopaedic Surgery 25 March 2021 Pages: 2489 - 2495

11. High range of motion in the first ten postoperative days after TKA does not predict superior outcome in the long run

    • Paul Köglberger
    • Alexander Wurm
    • Michael Liebensteiner

    Orthopaedic Surgery Open access 25 March 2021 Pages: 2497 - 2501

12. The effect of gastrocnemius resection on knee flexion in a total knee arthroplasty model

    • Jeffrey Rocco
    • David Putzer
    • Martin Thaler

    Orthopaedic Surgery 26 March 2021 Pages: 2503 - 2511

    

13. Changes in joint space width over time and risk factors for deterioration of joint space width after medial opening-wedge high tibial osteotomy

    • Man Soo Kim
    • In Jun Koh
    • Yong In

    Orthopaedic Surgery 30 March 2021 Pages: 2513 - 2524

    

14. Predictors for clinical outcomes of tubular surgery for endoscopic decompression in selected patients with lumbar spinal stenosis

    • Ko Ikuta
    • Kazunari Sakamoto
    • Satoshi Shidahara

    Orthopaedic Surgery 03 April 2021 Pages: 2525 - 2532

    

15. Indications for cement augmentation in fixation of geriatric intertrochanteric femur fractures: a systematic review of evidence

    • L. Henry Goodnough
    • Harsh Wadhwa
    • Michael J. Gardner

    Orthopaedic Surgery 07 April 2021 Pages: 2533 - 2544

    

16. Open versus arthroscopic release for lateral patellar compression syndrome: a randomized-controlled trial

    • Sherwan A. Hamawandi
    • Hazhar I. Amin
    • Ameer Kadhim Al-Humairi

    Orthopaedic Surgery Open access 07 April 2021 Pages: 1 - 7

    

17. Long-term follow-up of conservative treatment of Charcot feet

    • Viviane Gratwohl
    • Thorsten Jentzsch
    • Felix W. A. Waibel

    Orthopaedic Surgery Open access 07 April 2021 Pages: 2553 - 2566

    

18. The application of an allogeneic bone screw for osteosynthesis in hand and foot surgery: a case series

    • Klaus Pastl
    • Wolfgang Schimetta

    Orthopaedic Surgery Open access 08 April 2021 Pages: 2567 - 2575

    

19. Outcome of revision surgery for adverse local tissue reactions in patients with recalled total hip arthroplasty

    • Christian Klemt
    • Sakkadech Limmahakhun
    • Young-Min Kwon

    Orthopaedic Surgery 09 April 2021 Pages: 2577 - 2583

    

20. Efficacy of hook-type locking plate and partially threaded cancellous lag screw in the treatment of displaced medial malleolar fractures in elderly patients

    • Byung-ki Cho
    • Jun-beom Kim
    • Seung-Myung Choi

    Trauma Surgery 05 June 2021 Pages: 2585 - 2596

    

21. Biomechanical and anatomical considerations for dual plating of distal femur fractures: a systematic literature review

    • Graham J. DeKeyser
    • Anne J. Hakim
    • Justin M. Haller

    Trauma Surgery 07 June 2021 Pages: 2597 - 2609

    

22. Risk factors for a second nonsimultaneous hip fracture in a prospective cohort study

    • Ricardo Larrainzar-Garijo
    • Adolfo Díez-Pérez
    • Daniel Prieto-Alhambra

    Trauma Surgery 14 June 2021 Pages: 2611 - 2617

23. Tip–neck distance ratio as a novel predictor for failure in cephalomedullary nailing of unstable trochanteric fractures (UTF)

    • Şahin Çepni
    • İzzet Özay Subaşı
    • Kasım Kılıçarslan

    Trauma Surgery 19 June 2021 Pages: 2619 - 2626

    

24. Comparison between headless compression screws and tension band wires for the fixation of medial malleolar fractures: a prospective randomized trial

    • Young Hwan Park
    • Hyun Woo Cho
    • Hak Jun Kim

    Trauma Surgery 23 June 2021 Pages: 2627 - 2633

    

25. One-stage surgical treatment of upper thoracic spinal tuberculosis by posterolateral costotransversectomy using an extrapleural approach

    • Shiyuan Shi
    • Xiaozhang Ying
    • Shengping Hu

    Trauma Surgery 24 June 2021 Pages: 2635 - 2644

    

26. Femoral fractures are an indicator of increased severity of injury for road traffic collision victims: an autopsy–based case–control study on 4895 fatalities

    • Leonidas Roumeliotis
    • Nikolaos K. Kanakaris
    • Iordanis N. Papadopoulos

    Trauma Surgery 01 July 2021 Pages: 2645 - 2658

    

27. Retrospective comparison of conservative treatment and surgery for widely displaced olecranon fractures in low-demanding geriatric patients

    • Peter Kaiser
    • Kerstin Stock
    • Rohit Arora

    Trauma Surgery Open access 05 July 2021 Pages: 2659 - 2667

    

28. Cerclage fixation without K-wires is associated with fewer complications and reoperations compared with tension band wiring in stable displaced olecranon fractures in elderly patients

    • Daniel Wenger
    • Gustav Cornefjord
    • Cecilia Rogmark

    Trauma Surgery Open access 08 July 2021 Pages: 2669 - 2676

    

29. The importance of reconstruction nailing for diaphyseal atypical femoral fractures: a comparative study with standard nailing

    • Chang-Wug Oh
    • Joon-Woo Kim
    • Seung-Ho Chung

    Trauma Surgery 09 July 2021 Pages: 2677 - 2683

    

30. Factors influencing postoperative residual diastasis after the operative treatment of acute Lisfranc fracture dislocation

    • Jun Young Choi
    • Oh Jun Yu
    • Jin Soo Suh

    Trauma Surgery 09 July 2021 Pages: 2685 - 2694

    

31. Effect of tourniquet application on postoperative outcomes in sinus tarsi approach for intra-articular calcaneus fractures

    • Hamood H. G. Zaid
    • Wu Di
    • Maowei Yang

    Trauma Surgery 09 July 2021 Pages: 2695 - 2700

32. Comorbidities, substance abuse, weight and age are independent risk factors for postoperative complications following operation for proximal humerus fractures: a retrospective analysis of 1109 patients

    • Ralf Henkelmann
    • Jan Theopold
    • Pierre Hepp

    Trauma Surgery Open access 13 July 2021 Pages: 2701 - 2709

    

33. Epidemiology of complete knee dislocations: an updated classification system

    • Nils Mühlenfeld
    • Daniel P. Berthold
    • Nils Wagner

    Trauma Surgery Open access 22 July 2021 Pages: 2711 - 2718

    

34. A modified passive-dynamic ankle–foot orthosis: can it prevent amputation and arthrodesis in patients with ankle–foot trauma?

    • Niels Jonkergouw
    • Loes G. M. de Kruijff
    • Peter van der Wurff

    Trauma Surgery 28 July 2021 Pages: 2719 - 2726

    

35. Instability and results after non-operative treatment of large anterior glenoid rim fractures: is there a correlation between fragment size or displacement and recurrence?

    • Matthias Königshausen
    • Simon Pätzholz
    • Dominik Seybold

    Trauma Surgery Open access 02 August 2021 Pages: 2727 - 2738

    

36. Intertrochanteric fracture fixation in solid organ transplant patients: outcomes and survivorship

    • Michael J. VanWagner
    • Steven B. Porter
    • Cameron K. Ledford

    Trauma Surgery 03 August 2021 Pages: 2739 - 2745

    

37. Cycling-related orthopaedic fractures admitted to the Major Trauma Centre in the cycling capital of the UK

    • Omar Jamil
    • Sofyan Al Shdefat
    • Daud T. S. Chou

    Trauma Surgery Open access 03 August 2021 Pages: 2747 - 2753

38. Multiple platelet-rich plasma injections are superior to single PRP injections or saline in osteoarthritis of the knee: the 2-year results of a randomized, double-blind, placebo-controlled clinical trial

    • Alparslan Yurtbay
    • Ferhat Say
    • Ahmet Ersoy

    Arthroscopy and Sports Medicine 27 October 2021 Pages: 2755 - 2768

    

39. Tranexamic acid usage in hip fracture surgery: a meta-analysis and meta-regression analysis of current practice

    • Wenhua Liu
    • Shaojie Deng
    • Jinfeng Liang

    Arthroscopy and Sports Medicine 28 October 2021 Pages: 2769 - 2789

    

40. Early medial reconstruction combined with severely injured medial collateral ligaments can decrease residual medial laxity in anterior cruciate ligament reconstruction

    • Jae Ang Sim
    • Young Gon Na
    • Byung Hoon Lee

    Arthroscopy and Sports Medicine 03 November 2021 Pages: 2791 - 2799

    

41. Arthroscopic surgery for femoroacetabular impingement has limited effect in patients with Tönnis grade-2 at 4-year follow-up

    • Jesus Mas Martinez
    • Carmen Verdu-Roman
    • Javier Sanz-Reig

    Arthroscopy and Sports Medicine 12 November 2021 Pages: 2801 - 2809

    

42. Outcomes of arthroscopic management for pigmented villonodular synovitis of the hip

    • Hao-Che Tang
    • Mohammed Sadakah
    • Michael Dienst

    Arthroscopy and Sports Medicine 22 November 2021 Pages: 2811 - 2818

    

43. The natural history of alpha angle in the last seventeen centuries

    • Roberto Seijas
    • Albert Pérez
    • Jordi Català

    Arthroscopy and Sports Medicine 26 November 2021 Pages: 2819 - 2825

    

44. Correction to: The natural history of alpha angle in the last seventeen centuries

    • Roberto Seijas
    • Albert Pérez-Bellmunt
    • Jordi Català

    Correction 18 December 2021 Pages: 2827 - 2827

45. Clinical outcomes of anterior tibiofibular ligament’s distal fascicle transfer versus ligament reconstruction with InternalBrace™ for chronic ankle instability patients

    • Jiaxin Tian
    • Tsz-Ngai Mok
    • Huige Hou

    Arthroscopy and Sports Medicine Open access 30 November 2021 Pages: 2829 - 2837

    

46. Laxity measurement of internal knee rotation after primary anterior cruciate ligament rupture versus rerupture

    • Hermann O. Mayr
    • Georg Hellbruegge
    • Wolf C. Prall

    Arthroscopy and Sports Medicine Open access 06 December 2021 Pages: 2839 - 2847

    

47. Investigation of femoral condyle height changes during flexion of the knee: implication to gap balance in TKA surgery

    • Zhenming Zhang
    • Chaochao Zhou
    • Guoan Li

    Knee Arthroplasty 04 September 2021 Pages: 2849 - 2855

    

48. Medium-term outcomes in single anaesthetic bilateral total knee replacement surgery: a single surgeon series

    • M. J. Kelly
    • J. F. Quinlan
    • J. A. Matheson

    Knee Arthroplasty 08 September 2021 Pages: 2857 - 2863

    

49. Preoperative uncorrectable tibiofemoral subluxation can worsen clinical outcomes after fixed-bearing unicompartmental knee arthroplasty: a retrospective analysis

    • Tomoyuki Kamenaga
    • Naoki Nakano
    • Tomoyuki Matsumoto

    Knee Arthroplasty 08 September 2021 Pages: 2865 - 2874

    

50. 10-year follow-up of the Columbus knee prostheses system in a prospective multicenter study

    • Andreas Fuchs
    • Philip Häussermann
    • Lukas Konstantinidis

    Knee Arthroplasty Open access 09 September 2021 Pages: 2875 - 2883