Publications by authors named "Jonathan Lettner"

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High variability in the assessment of physical function following total hip arthroplasty: a systematic review.
Jonathan Lettner, Mona Ostermann, Nikolai Ramadanov, Claudia Sasse, Roland Becker

Int J Surg· December 2025

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Postless versus traditional hip arthroscopy: A multilevel meta-analysis of current evidence on efficacy and safety.
Nikolai Ramadanov, Maximilian Voss, Jonathan Lettner, Robert Hable, Robert Prill

Knee Surg Sports Traumatol Arthrosc· December 2025

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Minimal Clinically Important Differences in Conservative Treatment Versus Hip Arthroscopy for Femoroacetabular Impingement Syndrome: A Frequentist Meta-Analysis of RCTs.
Nikolai Ramadanov, Jonathan Lettner, Maximilan Voss, Robert Prill, Robert Hable

Orthop Surg· September 2025

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Mean distraction force applied in tension-controlled ligament-balanced total knee arthroplasty: A systematic review and meta-analysis.
Roland Becker, Maximilan Voss, Jonathan Lettner, Robert Hable, Mahmut Enes Kayaalp

Knee Surg Sports Traumatol Arthrosc· July 2025

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Do Meta-Analyses of Total Hip Arthroplasty Produce Reliable Results? A Systematic Review and Meta-Epidemiological Study of Statistical Methods.
Nikolai Ramadanov, Maximilian Voss, Radharani Michelle Diallo, Jonathan Lettner, Hassan Tarek Hakam

Orthop Surg· July 2025

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High accuracy of component positioning and restoration of lower limb alignment using robotic medial unicompartmental knee arthroplasty.
Emanuele Diquattro, Jonathan Lettner, Marco Adriani, Robert Prill, Mikhail Salzmann

Knee Surg Sports Traumatol Arthrosc· June 2025

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Artificial Intelligence-Guided Assessment of Femoral Neck Fractures in Radiographs: A Systematic Review and Multilevel Meta-Analysis.
Nikolai Ramadanov, Jonathan Lettner, Robert Hable, Hassan Tarek Hakam, Robert Prill

Orthop Surg· May 2025

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Conservative treatment versus hip arthroscopy in patients with femoroacetabular impingement : a multilevel meta-analysis of randomized controlled trials.
Nikolai Ramadanov, Jonathan Lettner, Maximilian Voss, Robert Hable, Robert Prill

Bone Jt Open· April 2025

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Do PROMs or Sensor-Based Monitoring Detect Improvements in Patients' Knee Function After Total-Knee Arthroplasty?-A Study Protocol for a Prospective Controlled Study.
Lotanna Mba, Robert Prill, Jonathan Lettner, Nikolai Ramadanov, Robert Krause

Sensors (Basel)· December 2024

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Evaluating the Reliability of MyotonPro in Assessing Muscle Properties: A Systematic Review of Diagnostic Test Accuracy.
Jonathan Lettner, Aleksandra Królikowska, Nikolai Ramadanov, Łukasz Oleksy, Hassan Tarek Hakam

Medicina (Kaunas)· May 2024

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Assessment of Muscle Stiffness Using the MyotonPro: Effects of Fatigue on Vastus Lateralis and Medialis Muscles.
Jonathan Lettner, Lars Graventein, Hassan Tarek Hakam, Nikolai Ramadanov, Roland Becker

J Pers Med· March 2024

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Development of the INpaTiEnt Rehabilitation App Compliance QuesTionnaire [INTERACT].
Hassan Tarek Hakam, Felix Mühlensiepen, Mikhail Salzmann, Jonathan Lettner, Roland Becker

J Pers Med· November 2023

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Non-Adherence with Physiotherapeutic Rehabilitation-A Cross-Cultural Adaption of Compliance Parameters into German.
Hassan Tarek Hakam, Jonathan Lettner, Hannes Hofmann, Sebastian Kersten, Felix Muehlensiepen

J Pers Med· September 2023

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