Dr. med. Julian Hasler

FMH specialist in orthopaedic surgery and traumatology of the musculoskeletal system

Postgraduate Doctorate Degree, University of Bern, Bern Switzerland
"The impact of the critical shoulder angel on supero-inferior joint stability – a biomechanical analysis"

Medical Doctor (M.D.), University of Bern, Bern, Switzerland

Hasler J, Riede U, Helmy N, Graf A. Total elbow arthroplasty for elbow osteoarthritis associated with Paget`s disease: A case report and review of literature. JSES Rev Rep Tech. 2023 Nov 13. Doi: https://doi.org/10.1016/j.xrrt.2023.10.002

Flury A, Hodel S, Ongini E, Trache T, Hasler J, Wirth S, Viehöfer A, Imhoff F. The unloading effect of supramalleolar versus sliding calcaneal osteotomy for treatment of osteochondral lesions of the medial talus: A biomechanical study. Orthop J Sports Med. 2023 Oct 4. Doi: 10.1177/23259671231176295

Hasler J, Flury A, Hoch A, Cornaz F, Zingg P, Rahm S. Total hip arthroplasty through the direct anterior approach for sequelae of legg-calvé-perthes disease. Arch Orthop Trauma Surg. 2023 Feb 18. Doi: 10.1007/s00402-023-04791-4

Hoch A, Hasler J, Schenk P, Ackermann J, Ebert L, Fürnstahl P, Zingg P, Vlachopoulos L. Registration based assessment of femoral torsion for rotational osteotomies based on the contralateral anatomy. BMC musculoskeletal. 2022 Nov 8;23(1):962. Doi:10.1186/s12891-022-05941-2.

Hodel S, Hasler J, Fürnstahl P, Fucentese S, Vlachopoulos L. Elongation Patterns of the Superficial Medial Collateral Ligament and the Posterior Oblique Ligament: A 3-Dimensional, Weightbearing Computed Tomography Simulation. Orthop J Sports Med. 2022 May 5;10(5):23259671221091264. Doi: 10.1177/23259671221091264.

Hodel S, Hasler J, Fürnstahl P, Fucentese S, Vlachopoulos L. Elongation Patterns of Posterolateral Corner Reconstruction Techniques: Results Using 3-Dimensional Weightbearing Computed Tomography Simulation. Orthop J Sports Med. 2022 Apr 18;10(4):23259671221090219. Doi: 10.1177/23259871221090219.

Flury F, Hodel S, Hasler J, Hooman E, Fucentese S, Vlachopoulos L. The winking sign is an indicator for increased femorotibial rotation in patients with recurrent patellar instability. KSSTA. 2022 Apr 19. Doi: 10.1007/s00167-022-06971-y.

Ackermann J, Hasler J, Graf D, Fucentese S, Vlachopoulos L. The Effect of Knee Rotation on the Tibial-Tubercle-Trochlear-Groove Distance in Patients with Patellar Instability: An Analysis of MRI and CT measurements. Arch Orthop Trauma Surg. 2021 May 12. Doi: 10.1007/s00402-021-03947-4.

Flury A, Hasler J, Beeler S, Imhoff FB, Wirth S, Viehöfer A. Talus morphology differs between flatfeet and controls, but its variety has no influence on extent of surgical deformity correction. Arch Orthop Trauma Surg. 2021 May 10. Doi: 10.1007/s00402-021-03925-w.

Hochreiter B, Hasler A, Hasler J, Kriechling P, Borbas P, Gerber C. Factors influencing functional internal rotation after reverse total shoulder arthroplasty. JSES int. 2021 Apr 20;5(4):679-687. Doi: 10.1016/j.jseint.2021.03.005.

Hasler J, Hoch A, Zingg PO, Fürnstahl P, Ackermann J, Vlachopoulos L. Is the contralateral lesser trochanter a reliable reference for planning of total hip arthroplasty – A 3-dimensional analysis. BMC musculoskeletal. 2021 Mar 11;22(1):268. Doi: 10.1186/s12891-021-04131-w.

Hasler J, Flury A, Dimitriou D, Holweg I, Helmy N, Finsterwald M. Mid-term subsidence and periprosthetic radiolucency of the AMIStem: a 5-year EBRA-FCA analysis. J Orthop Surg Res. 2021 Jan 7;16(1):19. Doi: 10.1186/s13018-020-02104-8.

Wieser K, Hasler J (2021). Arthroscopic-Assisted Anterior Latissimus Dorsi Transfer for Irreparable Anterior Rotator Cuff Tear: A Technical Note. Arthrosc Tech. 2021 Jan 6;10(2):e263-e267. Doi: 10.1016/j.eats.2020.10.002.

Flury A, Hasler J, Pagenstert G, Dimitriou D, Helmy N, Finsterwald M. Open reduction and internal fixation might be a valuable alternative to stem revision in Vancouver B2 periprosthetic femoral fractures, irrespective of the stem’s design. Arch Orthop Trauma Surg. 2021 May;141(5):871-878. Doi: 10.1007/s00402-020-03568-3.

Flury A, Weigelt L, Camenzind R, Fritz B, Hasler J, Baumgärtner B, Helmy N, Fucentese SF. Total and unicondylar Knee Arthroplasty are equivalent treatment options in end-stage spontaneous osteonecrosis of the knee, and the size of the lesion has no influence on the results. KSSTA. 2021 Oct;29(10):3254-3261. Doi: 10.1007/s00167-020-06132-z.

Hasler J, Flury A, Dimitriou D, Helmy N, Antoniadis A. Is revision total hip arthroplasty through the direct anterior approach feasible? Arch Orthop Trauma Surg. 2020 Aug;140(8):1125-1132. Doi: 10.1007/s00402-020-03469-5.

Flury A, Finsterwald M, Dimitriou D, Hasler J, Antoniadis A, Helmy N. Could a Simple Screening Procedure Identify Patients With Early Cognitive Impairment? Implications for the Treatment of Geriatric Femoral Neck Fractures. J Arthroplasty. 2020 Apr;35(4):1023-1028. Doi: 10.1016/j.arth.2019.11.032.

Schraknepper J, Dimitriou D, Hasler J, Radzanowski S, Helmy N, Flury A. Influence of patient selection, component positioning and surgeon’s caseload on the outcome of unicompartmental knee arthroplasty.  Arch Orthop Trauma Surg. 2020 Jun;140(6):807-813. Doi: 10.1007/s00402-020-03413-7.

Weigelt L, Hasler J, Flury A, Dimitriou D, Helmy N. Clinical and radiological mid- to long-term results after direct fixation of posterior malleolar fractures through a posterolateral approach. Arch Orthop Trauma Surg. 2020 Nov;140(11):1641-1647. Doi: 10.1007/s00402-020-03353-2.

Hasler J, Antoniadis A, Gkagkalis G, Flury A, Moerenhout K. The irreducible ankle dislocation: beware of the Bosworth injury. Unfallchirurg. 2019 Dec;122(12):992-996. Doi: 10.1007/s00113-019-00725-1.

Flury A, Finsterwald M, Dimitriou D, Helmy N, Hasler J, Antoniadis A. Should advanced age be a contraindication to total hip arthroplasty in femoral neck fracture patients? A matched-control, retrospective study. J Orthop. 2019 Aug 10;17:25-29. Doi: 10.1016/j.jor.2019.08.007.

Hasler J, Flury A, Antoniadis A, Finsterwald M, Dimitriou D, Helmy N. Midterm clinical and radiographic outcomes of 115 consecutive patient-specific unicompartmental knee arthroplasties. The Knee. 2019 Aug;26(4):889-896. Doi: 10.1016/j.knee.2019.05.006.

Flury A, Hasler J, Imhoff FB, Finsterwald M, Camenzind RS, Helmy N, Antoniadis A. Modified Lemaire Procedure: Indication, procedure, and clinical results. Orthopäde. 2019 Mar;48(3):248-256. Doi: 10.1007/s00132-018-03663-9.

Dimitriou D, Helmy N, Hasler J, Flury A, Finsterwald M, Antoniadis A. The Role of Total Hip Arthroplasty Through the Direct Anterior Approach in Femoral Neck Fracture and Factors Affecting the Outcome. J Arthroplasty. 2019 Jan;34(1):82-87. Doi: 10.1016/j.arth.2018.08.037.

Antoniadis A, Dimitriou D, Flury A, Wiedmer G, Hasler J, Helmy N. Is Direct Anterior Approach a Credible Option for Severely Obese Patients Undergoing Total Hip Arthroplasty? A Matched-Control, Retrospective, Clinical Study. J Arthroplasty. 2018 Aug;33(8):2535-2540. Doi: 10.1016/j.arth.2018.03.071.

Attending Physician Shoulder, Elbow and Orthopaedic Sports Medicine, Sonnenhof Orthopaedics, Bern, Switzerland and Sportsclinic Number 1 AG, Bern Switzerland (Prof. Matthias Zumstein)

Attending Physician Orthopaedic Surgery and Traumatology (PGY 6), Bürgerspital Solothurn, Solothurn, Switzerland (Prof. Näder Helmy)

Resident Orthopaedic Surgery (PGY 4, PGY 5), Balgrist University Hospital, Zürich, Switzerland (Prof. Mazda Farshad)

Resident Orthopaedic Surgery and Traumatology (PGY 2, PGY 3, PGY 4) at Bürgerspital Solothurn, Solothurn, Switzerland (Prof. Näder Helmy)

Resident Intensive Care (PGY 2) at Bürgerspital Solothurn, Solothurn, Switzerland (Dr. Lukas Ebnöther)

Resident General Surgery (Internship - PGY 2), Bürgerspital Solothurn, Solothurn, Switzerland (Prof. Daniel Inderbitzin) and University Hospital Bern, Bern, Switzerland (Prof. Daniel Candinas)

Dimitriou D, Helmy N, Hasler J (P), Flury A, Finsterwald M, Antoniadis A. Total Hip Arthroplasty in Femoral Neck Fracture Using the Direct Anterior Approach and Factors Affecting the Outcome: A matched-control, retrospective, clinical study. SGOT Annual Meeting 2018

Flury A, Hasler J (P), Antoniadis A, Finsterwald M, Dimitriou D, Helmy N. Midterm clinical and radiographic outcomes of 126 consecutive patient-specific unicompartmental knee arthroplasties. SGOT Annual Meeting 2019

Hasler J, Antoniadis A, Gkagkalis G, Flury A, moerenhout K. The Bosworth-like pilon-fracture: An uncommon case of ankle fracture dislocation.  SGOT Annual Meeting 2019

Hasler J (P), Hoch A, Zingg PO, Fürnstahl P, Ackermann J, Vlachopoulos L. Is the contralateral trochanter of the contralateral side reliable for planning of THA – A 3D analysis. BMC musculoskeletal. SGOT Annual Meeting 2021.

Flury F, Hodel S, Hasler J (P), Hooman E, Fucentese S, Vlachopoulos L - The winking sign is an indicator for increased femorotibial rotation in patients with recurrent patellar instability. SGOT Annual Meeting 2022

Hasler J, Riede U, Graf A. Total elbow arthroplasty for Paget`s disease: A case report. DVSE 2022