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Lennart Viezens

university medical center hamburg eppendorf

18H-index
111Paper Count
1.3KCitation Count
Published Papers 21
Publication Date
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Postoperative muscle loss and preoperative sarcopenia predict survival and morbidity after surgical stabilization for spinal metastases: a longitudinal CT-morphometric analysis of 285 patients
errSpine Journal
IF4.7
err2026-04-13
err0
errOAAI
errJulian Kylies; Leon-Gordian Leonhardt; Moritz Lenz; Elias Brauneck; Malte Schroeder; Markus Schomacher; Marc Dreimann; Peter Obid; Lennart Viezens
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Predicting survival of patients with spinal involvement in multiple myeloma using PATHFx 3.0 – a validation study of 100 patients in Germany
errWorld Journal of Surgical Oncology
IF2.5
err2026-01-27
err0
errOAAI
errJulian Kylies; Elias Brauneck; Tobias M. Ballhause; Katja Weisel; Markus Schomacher; Malte Schroeder; Peter Obid; Leon-Gordian Leonhardt; Lennart Viezens
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errSave
Enrichment of CD103+ CD4+ T cells in bone metastases compared to non-malignant controls
errImmunology Letters
IF2.8
err2026-01-02
err0
errOAAI
errElias Brauneck; Julian Kylies; Anne Marie Assemissen; Moritz Kruppa; Niklas Kruppa; Yagana Wahid; Franziska Brauneck; Walter Fiedler; Lennart Viezens; Jasmin Wellbrock; Leon-Gordian Leonhardt
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Systemic bone loss measured by routine CT is associated with increased pain, postural decompensation, and survival in multiple myeloma
errEuropean Spine Journal
IF2.7
err2025-12-24
err0
errOAAI
errJulian Kylies; Katja Weisel; Tobias M. Ballhause; Malte Schroeder; Peter Obid; Markus Schomacher; Lara Krueger; Leon Leonhardt; Lennart Viezens
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errSave
Low-Dose Vitamin D3 Supplementation: Associations with Vertebral Fragility and Pedicle Screw Loosening
errJournal of Clinical Medicine 2025, Vol. 14, Page 8052
IF2.9
err2025-11-18
err0
errOAAI
errJun Li; André Strahl; Beate Kunze; Stefan Krebs; Martin Stangenberg; Lennart Viezens; Patrick Strube; Marc Dreimann
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errSave
Bifocal Surgery for Malignant Spinal Lesions is Associated with Shorter Postoperative Survival and Higher Postoperative Complication Rates Compared to Monofocal Surgery
errThe Spine Journal
IF0
err2025-10-30
err0
PREAI
errJulian Kylies; Matthias Priemel; Georg Fritsch; Elias Brauneck; Lara Krüger; Moritz Lenz; Lennart Viezens; Leon-Gordian Leonhardt
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Sarcopenia and fat loss from serial CT predict survival in multiple myeloma patients undergoing stem cell transplantation
errWorld Journal of Surgical Oncology
IF2.5
err2025-10-02
err0
errOAAI
errJulian Kylies; Elias Brauneck; Matthias Priemel; Dominik Kylies; Katja Weisel; Leon-Gordian Leonhardt; Lennart Viezens
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errSave
Changes in sagittal spinopelvic alignment are associated with increased pain and impaired function in multiple myeloma patients (APR, 10.1007/s00586-025-08878-x, 2025)
errspine journal
IF2.7
err2025-05-21
err0
errOAAI
errKylies, Julian; Dirks, Michael; Brauneck, Elias; Tessarzyk, Marlon; Dreimann, Marc; Strahl, Andre; Wolters, Wanja; Weisel, Katja; Leonhardt, Leon-Gordian; Viezens, Lennart
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errSave
Geriatric Type II Fractures of the Dens Axis: Biomechanical Superiority of a New Osteosynthesis Plate Compared to Common Anterior Screw Fixation
errGLOBAL SPINE JOURNAL
IF3
err2025-04-29
err0
errOAAI
errLeon-Gordian Leonhardt; Matthias Münch; Malte Schroeder; Michael Dirks; Holger Kleinertz; Anna Lena Kammal; Benjamin Ondruschka; Simon von Kroge; Tim Rolvien; Karl-Heinz Frosch; Annika Bay; Lennart Viezens
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Biopsies from patients with sacral insufficiency fracture are characterized by low bone matrix mineralization and high turnover
errJBMR PLUS
IF2.4
err2024-07-12
err0
errOAAI
errDelsmann, Maximilian M.; Leonhardt, Leon-Gordian; Alimy, Assil-Ramin; Hoenig, Tim; Beil, Frank Timo; Pueschel, Klaus; von Brackel, Felix N.; Amling, Michael; Viezens, Lennart; Thiesen, Darius M.; Rolvien, Tim
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Analysis of Three-Dimensional Bone Microarchitecture of the Axis Exposes Pronounced Regional Heterogeneity Associated with Clinical Fracture Patterns
errCALCIFIED TISSUE INTERNATIONAL
IF3.2
err2023-02-24
err1
errOAAI
errKoepke, Leon-Gordian; von Kroge, Simon; Heuer, Annika; Kammal, Anna Lena; Ondruschka, Benjamin; Rolvien, Tim; Viezens, Lennart
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The limitations of fully threaded screws in isolated percutaneous transarticular screw fixation of C1/C2
errSCIENTIFIC REPORTS
IF3.9
err2022-04-20
err1
errOAAI
errKoepke, Leon-Gordian; Heuer, Annika; Stangenberg, Martin; Dreimann, Marc; Beyerlein, Joerg; Schaefer, Christian; Viezens, Lennart
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errSave
The Hamburg Spondylodiscitis Assessment Score (HSAS) for Immediate Evaluation of Mortality Risk on Hospital Admission
errJOURNAL OF CLINICAL MEDICINE
IF2.9
err2022-01-27
err15
errOAAI
errHeuer, Annika; Strahl, Andre; Viezens, Lennart; Koepke, Leon-Gordian; Stangenberg, Martin; Dreimann, Marc
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errSave
Surgical Site Cytology to Diagnose Spinal Lesions
errDIAGNOSTICS
IF3.3
err2022-01-26
err1
errOAAI
errKoepke, Leon-Gordian; Heuer, Annika; Stangenberg, Martin; Dreimann, Marc; Welker, Lutz; Bokemeyer, Carsten; Strahl, Andre; Asemissen, Anne Marie; Viezens, Lennart
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Influence of microbiological diagnosis on the clinical course of spondylodiscitis
errINFECTION
IF3.6
err2021-07-12
err26
errOAAI
errStangenberg, Martin; Mende, Klaus Christian; Mohme, Malte; Kraetzig, Theresa; Viezens, Lennart; Both, Anna; Rohde, Holger; Dreimann, Marc
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errSave
Implementation of a multidisciplinary infections conference improves the treatment of spondylodiscitis
errSCIENTIFIC REPORTS
IF3.9
err2021-05-04
err12
errOAAI
errNtalos, D.; Schoof, B.; Thiesen, D. M.; Viezens, L.; Kleinertz, H.; Rohde, H.; Both, A.; Luebke, A.; Strahl, A.; Dreimann, M.; Stangenberg, M.
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Intraoperative blood loss in oncological spine surgery
errNEUROSURGICAL FOCUS
IF3
err2021-05-01
err15
errOAAI
errMohme, Malte; Mende, Klaus C.; Pantel, Tobias; Viezens, Lennart; Westphal, Manfred; Eicker, Sven Oliver; Dreimann, Marc; Kraetzig, Theresa; Stangenberg, Martin
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Posterior vertebral column resection as a safe procedure leading to solid bone fusion in metastatic epidural spinal cord compression
errNEUROSURGICAL FOCUS
IF3
err2021-05-01
err4
errOAAI
errViezens, Lennart; Dreimann, Marc; Eicker, Sven Oliver; Heuer, Annika; Koepke, Leon-Gordian; Mohme, Malte; Kraetzig, Theresa; Stangenberg, Martin
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The bone microenvironment promotes tumor growth and tissue perfusion compared with striated muscle in a preclinical model of prostate cancer in vivo
errBMC CANCER
IF3.4
err2018-10-16
err3
errOAAI
errMussawy, Haider; Viezens, Lennart; Schroeder, Malte; Hettenhausen, Svenja; Suendermann, Joerdis; Wellbrock, Jasmin; Kossow, Kai; Schaefer, Christian
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Cervical vertebroplasty for osteolytic metastases as a minimally invasive therapeutic option in oncological surgery: outcome in 14 cases
errNEUROSURGICAL FOCUS
IF3
err2017-08-01
err15
errOAAI
errStangenberg, Martin; Viezens, Lennart; Eicker, Sven O.; Mohme, Malte; Mende, Klaus C.; Dreimann, Marc
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errSave

Research Directions

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Co-authors
Cooperation Journals
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Carsten Bokemeyer
H-index: 117 · Papers: 1.7K
M
Manfred Westphal
H-index: 88 · Papers: 785
K
Katja Weisel
H-index: 71 · Papers: 801
W
Walter Fiedler
H-index: 63 · Papers: 601
H
Holger Rohde
H-index: 61 · Papers: 376
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