Full Text Journal Articles by
Author Max J Scheyerer

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Surgical Treatment Strategies for Pyogenic Spondylodiscitis of the Thoracolumbar Spine.

Max J Scheyerer, Christian Herren, Christian Kühne, Jörg Neufang, Philipp Pieroh, Nicolas H von der Höh,

<h4>Background</h4>Despite advances, the morbidity and mortality rates of patients with spondylodiscitis remains high, with an increasing incidence worldwide. Although conservative therapy has progressed, several cases require surgical intervention. However, the indication and opportunities for surgical treatment are still disputable.<h4>Methods</h4>In a joint consensus, the members of the 'Spondylodiscitis' working group of ... Read more >>

Z Orthop Unfall (Zeitschrift fur Orthopadie und Unfallchirurgie)
[2021, :]

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Osteoporotic Fractures of the Thoracic and Lumbar Vertebra: Diagnosis and Conservative Treatment-A Systematic Review.

Ulrich Spiegl, Hartmut Bork, Sebastian Grüninger, Uwe Maus, Georg Osterhoff, Max J Scheyerer, Philipp Pieroh, Jörg Schnoor, Christoph-Eckhard Heyde, Klaus J Schnake,

<h4>Background</h4>The prevalence of osteoporotic vertebral body fractures in Europe is 18-26%. Although most of these injuries can be treated conservatively, the underlying concepts have not been defined clearly or uniformly. In this article, we present the current state of the evidence on the diagnosis and conservative treatment of osteoporotic fractures ... Read more >>

Dtsch Arztebl Int (Deutsches Arzteblatt international)
[2021, (Forthcoming):]

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Current Minimally Invasive Surgical Concepts for Sacral Insufficiency Fractures.

Ulrich Josef Albert Spiegl, Klaus J Schnake, Bernhard Ullrich, Max J Scheyerer, Georg Osterhoff, Holger Siekmann,

An increasing incidence of sacral insufficiency fractures in geriatric patients has been documented, representing a major challenge to our healthcare system. Determining the accurate diagnosis requires the use of sectional imaging, including computed tomography and magnetic resonance imaging. Initially, non-surgical treatment is indicated for the majority of patients. If non-surgical ... Read more >>

Z Orthop Unfall (Zeitschrift fur Orthopadie und Unfallchirurgie)
[2021, :]

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Postoperative Spinal Implant Infections (PSII)-A Systematic Review: What Do We Know So Far and What is Critical About It?

Daniel Karczewski, Klaus J Schnake, Georg Osterhoff, Ulrich Spiegl, Max J Scheyerer, Bernhard Ullrich, Matthias Pumberger,

<h4>Study design</h4>Systematic review.<h4>Objectives</h4>Postoperative spinal implant infections (PSII) are an increasing challenge in the daily clinical routine. This review summarizes existing knowledge in the field of PSII, including definitions, epidemiology, classifications, risk factors, pathogenesis, symptoms, diagnosis, and treatment.<h4>Methods</h4>A systematic review was performed using a structured PubMed analysis, based on the PRISMA ... Read more >>

Global Spine J (Global spine journal)
[2021, :21925682211024198]

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Concomitant injuries in patients with thoracic vertebral body fractures-a systematic literature review.

Ulrich J Spiegl, Georg Osterhoff, Philipp Bula, Frank Hartmann, Max J Scheyerer, Klaus J Schnake, Bernhard W Ullrich,

<h4>Purpose</h4>The aim of this study was to give a systematic overview over the rate and location of concomitant injuries, the probability of suffering from neurological deficits, and to give evidence of the timing of surgery in severely injured patients with unstable thoracic vertebral body fractures.<h4>Methods</h4>This review is based on articles ... Read more >>

Arch Orthop Trauma Surg (Archives of orthopaedic and trauma surgery)
[2021, :]

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Risk Factors for Failure in Conservatively Treated Osteoporotic Vertebral Fractures: A Systematic Review.

Max J Scheyerer, Ulrich J A Spiegl, Sebastian Grueninger, Frank Hartmann, Sebastian Katscher, Georg Osterhoff, Mario Perl, Matthias Pumberger, Gregor Schmeiser, Bernhard W Ullrich, Klaus J Schnake,

<h4>Study design</h4>Systematic review.<h4>Objectives</h4>Osteoporosis is one of the most common diseases of the elderly, whereby vertebral body fractures are in many cases the first manifestation. Even today, the consequences for patients are underestimated. Therefore, early identification of therapy failures is essential. In this context, the aim of the present systematic review ... Read more >>

Global Spine J (Global spine journal)
[2021, :2192568220982279]

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Biomechanics and clinical outcome after posterior stabilization of mid-thoracic vertebral body fractures: a systematic literature review.

Ulrich J Spiegl, Georg Osterhoff, Philipp Bula, Frank Hartmann, Max J Scheyerer, Klaus J Schnake, Bernhard W Ullrich,

<h4>Purpose</h4>The aim of this review is to systematically screen the literature for clinical and biomechanical studies dealing with posterior stabilization of acute traumatic mid-thoracic vertebral fractures in patients with normal bone quality.<h4>Methods</h4>This review is based on articles retrieved by a systematic search in the PubMed and Web of Science database ... Read more >>

Eur J Trauma Emerg Surg (European journal of trauma and emergency surgery : official publication of the European Trauma Society)
[2020, :]

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Traumatic Fractures of the Thoracic Spine.

Ulrich J A Spiegl, Klaus John Schnake, Frank Hartmann, Sebastian Katscher, Marion Riehle, Max J Scheyerer, Gregor Schmeiser, Holger Siekmann, Georg Osterhoff,

The majority of traumatic vertebral fractures occur at the thoracolumbar junction and the lumbar spine and less commonly at the mid-thoracic and upper thoracic spine. In accordance, a high number of articles are dealing with thoracolumbar fractures focusing on the thoracolumbar junction. Nonetheless, the biomechanics of the thoracic spine differ ... Read more >>

Z Orthop Unfall (Zeitschrift fur Orthopadie und Unfallchirurgie)
[2021, 159(4):373-382]

Cited: 1 time

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Impact of lumbar pedicle screw positioning on screw stability - A biomechanical investigation.

David Grevenstein, Max J Scheyerer, Carolin Meyer, Jan Borggrefe, Michael Hackl, Stavros Oikonomidis, Peer Eysel, Andreas Prescher, Kilian Wegmann,

<h4>Background</h4>Screw loosening is a major complication following spondylodesis. While several modifications increase screw stability, some, such as screw augmentation, are associated with potential complications; new techniques are needed to minimize the risk of screw loosening without increasing complication rates.<h4>Methods</h4>13 fresh-frozen human lumbar vertebral bodies (L1 to L5) were dissected. In ... Read more >>

Clin Biomech (Bristol, Avon) (Clinical biomechanics (Bristol, Avon))
[2020, 74:66-72]

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Recommendations for Diagnosis and Treatment of Odontoid Fractures in Geriatric Patients.

Georg Osterhoff, Klaus Schnake, Max J Scheyerer, Bernhard W Ullrich, Frank Hartmann, Alexander Franck, Holger Koepp, Maximilian Reinhold, Gregor Schmeiser, Kai Sprengel, Volker Zimmermann, Holger Siekmann, Andreas Badke, Harry Gebhard, Kai C Täubel, Sebastian Grüninger, Akhil P Verheyden, Philipp Schleicher, Ulrich J A Spiegl, ,

<h4>Background</h4>Odontoid fractures in geriatric patients represent an entity of increasing incidence with a high rate of morbidity and mortality. The optimal diagnostic and therapeutic management is being controversially discussed in the literature.<h4>Methods</h4>In a consensus process and based on the current literature, the members of the working groups "Osteoporotic Fractures" and ... Read more >>

Z Orthop Unfall (Zeitschrift fur Orthopadie und Unfallchirurgie)
[2020, 158(6):647-656]

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[Hounsfield units as a measure of bone density-applications in spine surgery].

Max J Scheyerer, Bernhard Ullrich, Georg Osterhoff, Ulrich A Spiegl, Klaus J Schnake, ,

Despite today's good diagnostic and therapeutic options for osteoporosis, the number of unidentified cases is very high and therapy is therefore usually inadequate. Frequently, the diagnosis of osteoporosis is made only after the occurrence of a fracture. The reason for this, apart from the costs incurred as well as the additional ... Read more >>

Unfallchirurg (Der Unfallchirurg)
[2019, 122(8):654-661]

Cited: 2 times

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Kyphoplasty of Osteoporotic Fractured Vertebrae: A Finite Element Analysis about Two Types of Cement.

Carolin Meyer, Kerstin van Gaalen, Tim Leschinger, Max J Scheyerer, Wolfram F Neiss, Manfred Staat, Lars P Müller, Kilian Wegmann,

If conservative treatment of osteoporotic vertebral compression fractures fails, vertebro- or kyphoplasty is indicated. Usually, polymethylmethacrylate cement (PMMA) is applied coming along with many disadvantageous features. Aluminum-free glass-polyalkenoate cement (GPC) appears to be a benefit alternative material. This study aimed at comparing the mean stress values in human vertebrae after ... Read more >>

Biomed Res Int (BioMed research international)
[2019, 2019:9232813]

Cited: 2 times

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First results of multicortical screw anchoring compared with conventional bicortical screw placement in the sacrum: A biomechanical investigation of a new screw design.

David Grevenstein, Carolin Meyer, Kilian Wegmann, Michael Hackl, Jan Bredow, Peer Eysel, Andreas Prescher, Max J Scheyerer,

<h4>Background</h4>Bicortical screw fixation is an established technique to increase screw strength in vertebral bodies, although it is associated with several complications, for example screw-loosening. Cement augmentation can increase stability of screw-fixation but can also cause various complications, such as cement-leakage or cement embolism. In this study, we tested a new, ... Read more >>

Clin Biomech (Bristol, Avon) (Clinical biomechanics (Bristol, Avon))
[2019, 65:100-104]

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[Quantification of treatment success for geriatric sacral fractures].

Georg Osterhoff, Max J Scheyerer, Ulrich J Spiegl, Klaus J Schnake, Holger Siekmann, ,

<h4>Background</h4>Geriatric sacral fractures represent an independent fracture entity of increasing incidence and growing socioeconomic relevance. The goals of treatment are very different to those in younger patients with high-energy pelvic fractures. Hence, new outcome measurement instruments are required in order to assess the success of treatment.<h4>Objective</h4>Literature review summarizing existing concepts ... Read more >>

Unfallchirurg (Der Unfallchirurg)
[2019, 122(4):293-298]

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Imaging of Sacral Stress and Insufficiency Fractures.

Ulrich Josef Albert Spiegl, Klaus John Schnake, Georg Osterhoff, Max J Scheyerer, Bernhard Ullrich, Philipp Bula, Holger Siekmann,

Fractures of the os sacrum without relevant trauma history are defined as stress or insufficiency fractures and often affect the anterior pelvis. Sacral insufficiency fractures are associated with osteoporosis and occur under physiological load. In contrast, sacral stress fractures are caused by mechanical overloading. Diagnostic confirmation is delayed in many ... Read more >>

Z Orthop Unfall (Zeitschrift fur Orthopadie und Unfallchirurgie)
[2019, 157(2):144-153]

Cited: 2 times

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Posterior Lumbar Interbody Fusion versus Dynamic Hybrid Instrumentation: A Prospective Randomized Clinical Trial.

Christian Herren, Raoul M Simons, Jan Bredow, Stavros Oikonomidis, Leonard Westermann, Rolf Sobottke, Max J Scheyerer, Miguel Pishnamaz, Peer Eysel, Kourosh Zarghooni, Jeremy Franklin, Jan Siewe,

OBJECTIVE:The purpose of this study was to assess the radiologic and clinical outcomes after lumbar fusion intervention and to compare the established posterior lumbar interbody fusion (PLIF) technique and dynamic hybrid instrumentation (topping off). METHODS:In this prospective randomized trial, all patients who presented with degenerative changes to the lumbar spine ... Read more >>

World Neurosurg (World neurosurgery)
[2018, 117:e228-e237]

Cited: 3 times

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Computer tomography-based morphometric analysis of the cervical spine pedicles C3-C7.

Leonard Westermann, Carolin Spemes, Peer Eysel, Marvin Simons, Max J Scheyerer, Jan Siewe, Dominik Baschera,

BACKGROUND:Our aim was to examine the specific dimensions of cervical pedicles in a large Caucasian cohort on high dissolving CT scans. METHODS:A retrospective analysis of 100 cervical spine CT scans with a maximum slice thickness of 1 mm in axial, sagittal, and coronal reconstructions was performed. The pedicle axial length (PAL), ... Read more >>

Acta Neurochir (Wien) (Acta neurochirurgica)
[2018, 160(4):863-871]

Cited: 2 times

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Does Sagittal Spinopelvic Configuration Influence Vertebral Fracture Type or Localization in Trauma Patients?: A Retrospective Radiologic Analysis.

Samy Bouaicha, Marc Cunier, Max J Scheyerer, Guido A Wanner, Hans-Peter Simmen, Clément M L Werner,

<h4>Study design</h4>Retrospective data analysis.<h4>Objective</h4>The aim of this study was to analyze correlations between spinopelvic configuration and fracture pattern or location in traumatic vertebral fractures.<h4>Summary of background data</h4>The spinopelvic configuration represented by the pelvic incidence (PI) angle showed to have a strong correlation with the occurrence of degenerative diseases of the ... Read more >>

Clin Spine Surg (Clinical spine surgery)
[2017, 30(3):E265-E269]

Cited: 1 time

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Long-Term Restoration of Anterior Shoulder Stability: A Retrospective Analysis of Arthroscopic Bankart Repair Versus Open Latarjet Procedure.

Stefan M Zimmermann, Max J Scheyerer, Mazda Farshad, Sabrina Catanzaro, Stefan Rahm, Christian Gerber,

<h4>Background</h4>Various operative techniques are used for treating recurrent anterior shoulder instability, and good mid-term results have been reported. The purpose of this study was to compare shoulder stability after treatment with the 2 commonly performed procedures, the arthroscopic Bankart soft-tissue repair and the open coracoid transfer according to Latarjet.<h4>Methods</h4>A comparative, ... Read more >>

J Bone Joint Surg Am (The Journal of bone and joint surgery. American volume)
[2016, 98(23):1954-1961]

Cited: 42 times

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Occipital bone thickness: Implications on occipital-cervical fusion. A cadaveric study.

Kourosh Zarghooni, Chrisoph K Boese, Jan Siewe, Marc Röllinghoff, Peer Eysel, Max J Scheyerer,

<h4>Objective</h4>The aim of this study was to create a map of the occipital bone using a cadaveric morphometric analysis.<h4>Material</h4>Twelve heads, from seven male and five female cadavers, were studied. The thickness of the occipital bone was measured with a digital vernier caliper within a coordinate system.<h4>Results</h4>The maximum thickness of the ... Read more >>

Acta Orthop Traumatol Turc (Acta orthopaedica et traumatologica turcica)
[2016, 50(6):606-609]

Cited: 2 times

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Prevention of heterotopic ossification: an experimental study using a plasma expander in a murine model.

Stefan M Zimmermann, Lukas W Schwitter, Max J Scheyerer, Thorsten Jentzsch, Hans-Peter Simmen, Clément M L Werner,

<h4>Background</h4>Heterotopic ossification (HO) is a frequent complication following orthopedic and trauma surgery. It often leads to substantial morbidity as many affected patients suffer from pain and joint contractures. Current prophylactic measures include nonsteroidal anti-inflammatory drugs (NSAID) and local radiation. However, several disadvantages such as delayed fracture healing and impaired ossification ... Read more >>

BMC Surg (BMC surgery)
[2016, 16(1):29]

Cited: 5 times

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The value of modular hemiarthroplasty for unstable femoral neck fractures in elderly patients with coxarthrosis.

Robert Döring, Thorsten Jentzsch, Max J Scheyerer, William Pfäffli, Clément M L Werner,

<h4>Background</h4>Displaced femoral neck fractures are common in the elderly patient. The surgical treatment options consist of a hemiarthroplasty (HA) or total hip arthroplasty (THA). However, the best surgical choice is still under debate. Bipolar HAs do not address preexisting arthritic changes of the acetabulum, which may lead to an unfavorable ... Read more >>

BMC Musculoskelet Disord (BMC musculoskeletal disorders)
[2016, 17:223]

Cited: 0 times

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Single-Shot Epidural Injections in the Management of Radicular Pain.

Kourosh Zarghooni, Ali Rashidi, Jan Siewe, Marc Röllinghoff, Jan Bredow, Peer Eysel, Max J Scheyerer,

Epidural injections are commonly used in the treatment of chronic low back pain due to symptomatic lumbar spinal disorders. The aim of the present investigation was to study their therapeutic value for different age subgroups. A consecutive series of 356 patients were treated with at least one injection, and assessed ... Read more >>

Orthop Rev (Pavia) (Orthopedic reviews)
[2015, 7(4):5985]

Cited: 2 times

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Radiographic markers of femoroacetabular impingement: correlation of herniation pit and femoral bump with a positive cross-over ratio.

Max J Scheyerer, Carol E Copeland, Jeffrey Stromberg, Thomas Ruckstuhl, Clément M L Werner,

Introduction. The goal of this study was to research the association of femoral bumps and herniation pits with the overlap-ratio of the cross-over sign. Methods. Pelvic X-rays and CT-scans of 2925 patients with good assessment of the anterior and the posterior acetabular wall and absence of neutral pelvic tilt were ... Read more >>

Adv Orthop (Advances in orthopedics)
[2014, 2014:432728]

Cited: 4 times

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[Prevalence of incidental findings of the Axial skeleton on computed tomograph of severely injured patients].

Max J Scheyerer, Michael Hollenstein, Robert Doering, Clement M L Werner, Kai Sprengel, Hatem Alkadhi, Hans-Peter Simmen,

Computed tomography has become an important component in the initial assessment of severely injured patients over the last years. The liberal use coupled with advances in imaging technology often result in incidental findings. In our present investigation, the prevalence incidence of incidental findings of the spine and skull amounted to ... Read more >>

Praxis (Bern 1994) (Praxis)
[2014, 103(14):819-824]

Cited: 0 times

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