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Hagen Schmal

Research Profile

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Internal Fracture Fixation

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Hagen Schmal; Peter C Strohm; Norbert P Südkamp; J M Pestka; Gian Salzmann; Philipp Niemeyer
Autologous chondrocyte implantation in children and adolescents.
Gerrit Bode; Peter Ogon; Jan M Pestka; Hagen Schmal; Norbert P Südkamp; Philipp Niemeyer
A non-randomized controlled clinical trial on autologous chondrocyte implantation (ACI) in cartilage defects of the medial femoral condyle with or without high tibial osteotomy in patients with varus deformity of less than 5°.
K Reising; Hagen Schmal; Peter C Strohm; Norbert P Südkamp; O Hauschild; Mohmed Khattab; Philipp Niemeyer
Computer-assisted navigation for the intraoperative assessment of lower limb alignment in high tibial osteotomy can avoid outliers compared with the conventional technique.

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2013: Hagen Schmal; Peter C Strohm; Norbert P Südkamp; J M Pestka; Gian Salzmann; Philipp Niemeyer
Autologous chondrocyte implantation in children and adolescents.
Knee surgery, sports traumatology, arthroscopy : official journal of the ESSKA 2013;21(3):671-7.
2013: Gerrit Bode; Peter Ogon; Jan M Pestka; Hagen Schmal; Norbert P Südkamp; Philipp Niemeyer
A non-randomized controlled clinical trial on autologous chondrocyte implantation (ACI) in cartilage defects of the medial femoral condyle with or without high tibial osteotomy in patients with varus deformity of less than 5°.
Archives of orthopaedic and trauma surgery 2013;133(1):43-9.
2013: K Reising; Hagen Schmal; Peter C Strohm; Norbert P Südkamp; O Hauschild; Mohmed Khattab; Philipp Niemeyer
Computer-assisted navigation for the intraoperative assessment of lower limb alignment in high tibial osteotomy can avoid outliers compared with the conventional technique.
Knee surgery, sports traumatology, arthroscopy : official journal of the ESSKA 2013;21(1):181-8.
2012: Johanna von Heyden; O Hauschild; Peter C Strohm; FM Stuby; Norbert P Südkamp; Hagen Schmal
Paediatric acetabular fractures. Data from the German Pelvic Trauma Registry Initiative.
Acta orthopaedica Belgica 2012;78(5):611-8.
2012: Michael Oberst; O Hauschild; Lukas Konstantinidis; Norbert P Suedkamp; Hagen Schmal
Effects of three-dimensional navigation on intraoperative management and early postoperative outcome after open reduction and internal fixation of displaced acetabular fractures.
The journal of trauma and acute care surgery 2012;73(4):950-6.
2012: O Hauschild; Tim Pohlemann; Emin Aghayev; Ulf Culemann; Peter C Strohm; Norbert P Suedkamp; Johanna von Heyden; Hagen Schmal
Angioembolization for pelvic hemorrhage control: results from the German pelvic injury register.
The journal of trauma and acute care surgery 2012;73(3):679-84.
2012: Joern Zwingmann; Hagen Schmal; Norbert P Südkamp; Philipp Niemeyer
Surgical treatment of osteochondritis dissecans of the talus: a systematic review.
Archives of orthopaedic and trauma surgery 2012;132(9):1241-50.
2012: Philipp Niemeyer; Gian Salzmann; Hagen Schmal; Hermann Mayr; Norbert P Südkamp
Autologous chondrocyte implantation for the treatment of chondral and osteochondral defects of the talus: a meta-analysis of available evidence.
Knee surgery, sports traumatology, arthroscopy : official journal of the ESSKA 2012;20(9):1696-703.
2012: Hagen Schmal; Norbert P Südkamp; Ingo H Pilz; David Dovi-Akue; Ulrike Gerlach; Christina Kirchhoff; Alexander T Mehlhorn; Philipp Niemeyer
Expression of BMP-receptor type 1A correlates with progress of osteoarthritis in human knee joints with focal cartilage lesions.
Cytotherapy 2012;14(7):868-76.
2012: Pia M Jungmann; Alexander T Mehlhorn; Hans Oberleithner; Hermann Schillers; Hagen Schmal; Norbert P Südkamp
Nanomechanics of human adipose-derived stem cells: small GTPases impact chondrogenic differentiation.
Tissue engineering. Part A 2012;18(9-10):1035-44.
2012: Gian M Salzmann; Hagen Schmal; Philipp Niemeyer; Bert-Ram Sah; Norbert P Sudkamp
Microfracture for treatment of knee cartilage defects in children and adolescents.
Pediatric reports 2012;4(2):e21.
2012: Philipp Niemeyer; Jan M Pestka; Gian Salzmann; Norbert P Südkamp; Hagen Schmal
Influence of cell quality on clinical outcome after autologous chondrocyte implantation.
The American journal of sports medicine 2012;40(3):556-61.
2012: Hagen Schmal; Norbert P Südkamp; Ingo H Pilz; David Dovi-Akue; Ulrike Gerlach; Christina Kirchhoff; Christian Lohrmann; Alexander T Mehlhorn; Philipp Niemeyer
Immunohistological localization of BMP-2, BMP-7, and their receptors in knee joints with focal cartilage lesions.
TheScientificWorldJournal 2012;2012():467892.
2011: Tim Pohlemann; Heinrich Reilmann; Pol Maria Rommens; Hagen Schmal; Andreas Seekamp; Dirk Stengel; Uli Stöckle; FM Stuby; Andreas Thannheimer; Georgios Tosounidis; Harald Tscherne; Stephan Wunder; Thomas Fuchs; Axel Gänsslen; Francis Holmenschlager; Gert Krischak; Ivan Marintschev; Friedel Baumgärtel; Ulf Culemann
Survival trends and predictors of mortality in severe pelvic trauma: estimates from the German Pelvic Trauma Registry Initiative.
Injury 2011;42(10):997-1002.
2011: Hagen Schmal; Norbert P Südkamp; David Dovi-Akue; Ulrike Gerlach; Philipp Niemeyer; Alexander T Mehlhorn
Pain perception in knees with circumscribed cartilage lesions is associated with intra-articular IGF-1 expression.
The American journal of sports medicine 2011;39(9):1989-96.
2011: Hagen Schmal; Peter C Strohm; Martin Jaeger; Norbert P Südkamp
Flexible fixation and fracture healing: do locked plating 'internal fixators' resemble external fixators?
Journal of orthopaedic trauma 2011;25 Suppl 1():S15-20.
2011: K Reising; Hagen Schmal; M Kohr; K Kuminack; Norbert P Südkamp; Peter C Strohm
Surgical treatment of supracondylar humerus fractures in children.
Acta chirurgiae orthopaedicae et traumatologiae Cechoslovaca 2011;78(6):519-23.
2011: Peter C Strohm; Norbert P Sudkamp; T Hammer; M Jaeger; K Reising; Hagen Schmal
Humerus shaft fractures - where are we today?
Acta chirurgiae orthopaedicae et traumatologiae Cechoslovaca 2011;78(3):185-9.
2011: Peter C Strohm; Norbert P Südkamp; O Hauschild; K Kuminack; K Reising; Hagen Schmal
Clinical outcome after surgical treatment of transitional fractures of the distal tibia in children.
Acta chirurgiae orthopaedicae et traumatologiae Cechoslovaca 2011;78(2):97-100.
2010: Philipp Niemeyer; Hagen Schmal; O Hauschild; Johanna von Heyden; Norbert P Südkamp; Wolfgang Köstler
Open-wedge osteotomy using an internal plate fixator in patients with medial-compartment gonarthritis and varus malalignment: 3-year results with regard to preoperative arthroscopic and radiographic findings.
Arthroscopy : the journal of arthroscopic & related surgery : official publication of the Arthroscopy Association of North America and the International Arthroscopy Association 2010;26(12):1607-16.
2010: Peter C Strohm; D C Kubosch; C M Sprecher; Hagen Schmal; Norbert P Südkamp; Stefan Milz
[Graft integration in the lumbar spine of bovine cancellous bone compared to autologous iliac crest in a sheep model].
Zeitschrift für Orthopädie und Unfallchirurgie 2010;148(6):666-73.
2010: Hagen Schmal; Peter C Strohm; Philipp Niemeyer; K Reising; Kerstin Kuminack; Norbert P Sudkamp
Fractures of the patella in children and adolescents.
Acta orthopaedica Belgica 2010;76(5):644-50.
2010: Joern Zwingmann; Hagen Schmal; Alexander T Mehlhorn; Norbert P Südkamp; Peter C Strohm
Injury patterns in polytraumatized children and consequences for the emergency room management.
Acta chirurgiae orthopaedicae et traumatologiae Cechoslovaca 2010;77(5):365-70.
2010: Philipp Niemeyer; Philipp Lenz; Peter C Kreuz; Gian M Salzmann; Norbert P Südkamp; Hagen Schmal; Matthias Steinwachs
Chondrocyte-seeded type I/III collagen membrane for autologous chondrocyte transplantation: prospective 2-year results in patients with cartilage defects of the knee joint.
Arthroscopy : the journal of arthroscopic & related surgery : official publication of the Arthroscopy Association of North America and the International Arthroscopy Association 2010;26(8):1074-82.
2010: Philipp Niemeyer; Gian Salzmann; Matthias Steinwachs; Norbert P Südkamp; Hagen Schmal; Philipp Lenz; Wolfgang Köstler
Presence of subchondral bone marrow edema at the time of treatment represents a negative prognostic factor for early outcome after autologous chondrocyte implantation.
Archives of orthopaedic and trauma surgery 2010;130(8):977-83.
2010: Hagen Schmal; Philipp Niemeyer; Jörn Zwingmann; Fabian Stoffel; Norbert P Südkamp; Alexander T Mehlhorn
Association between expression of the bone morphogenetic proteins 2 and 7 in the repair of circumscribed cartilage lesions with clinical outcome.
BMC musculoskeletal disorders 2010;11():170.
2010: K F Kuminack; K Reising; Hagen Schmal; Norbert P Südkamp; Peter C Strohm
[Monteggia lesions in children--a clinical trial].
Zeitschrift für Orthopädie und Unfallchirurgie 2010;148(1):54-9.
2010: Günter Finkenzeller; Alexander T Mehlhorn; Hagen Schmal; G Björn Stark
Post-transcriptional regulation of osteoblastic platelet-derived growth factor receptor-alpha expression by co-cultured primary endothelial cells.
Cells, tissues, organs 2010;192(1):28-38.
2009: Alexander T Mehlhorn; Peter C Strohm; CA Müller; L Konstantinidis; Hagen Schmal; Norbert P Südkamp
[The reversed locked internal plate fixator as an alternative internal fixation of problematic proximal femur fractures].
Zeitschrift für Orthopädie und Unfallchirurgie 2009;147(5):561-6.
2009: Alexander T Mehlhorn; Joern Zwingmann; Günter Finkenzeller; Philipp Niemeyer; Martin Dauner; Bjoern Stark; Norbert P Südkamp; Hagen Schmal
Chondrogenesis of adipose-derived adult stem cells in a poly-lactide-co-glycolide scaffold.
Tissue engineering. Part A 2009;15(5):1159-67.
2009: Hagen Schmal; Alexander T Mehlhorn; Fabian Stoffel; Wolfgang Köstler; Norbert P Südkamp; Philipp Niemeyer
In vivo quantification of intraarticular cytokines in knees during natural and surgically induced cartilage repair.
Cytotherapy 2009;11(8):1065-75.
2009: Christian Bahrs; Bernd Rolauffs; Norbert P Südkamp; Hagen Schmal; Christoph Eingartner; Klaus Dietz; Philippe Pereira; Kuno Weise; Erich Lingenfelter; P Helwig
Indications for computed tomography (CT-) diagnostics in proximal humeral fractures: a comparative study of plain radiography and computed tomography.
BMC musculoskeletal disorders 2009;10():33.
2008: Philipp Niemeyer; Jan M Pestka; Peter C Kreuz; Christoph Erggelet; Hagen Schmal; Norbert P Suedkamp; Matthias Steinwachs
Characteristic complications after autologous chondrocyte implantation for cartilage defects of the knee joint.
The American journal of sports medicine 2008;36(11):2091-9.
2008: Hagen Schmal; Peter C Strohm; Alexander T Mehlhorn; O Hauschild; Norbert P Südkamp
[Management of ipsilateral femoral neck and shaft fractures].
Der Unfallchirurg 2008;111(11):886-91.
2008: Hagen Schmal; Alexander T Mehlhorn; C Kurze; Joern Zwingmann; Philipp Niemeyer; G Finkenzeller; M Dauner; Norbert P Südkamp; W Köstler
[In vitro study on the influence of fibrin in cartilage constructs based on PGA fleece materials].
Der Orthopäde 2008;37(5):424-34.
2008: O Hauschild; Peter C Strohm; Ulf Culemann; Tim Pohlemann; Norbert P Suedkamp; Wolfgang Koestler; Hagen Schmal
Mortality in patients with pelvic fractures: results from the German pelvic injury register.
The Journal of trauma 2008;64(2):449-55.
2008: Joern Zwingmann; Hagen Schmal; Norbert P Südkamp; Peter C Strohm
[Injury severity and localisations seen in polytraumatised children compared to adults and the relevance for emergency room management].
Zentralblatt für Chirurgie 2008;133(1):68-75.
2008: Christian Bahrs; Hagen Schmal; Erich Lingenfelter; Bernd Rolauffs; Kuno Weise; Klaus Dietz; P Helwig
Inter- and intraobserver reliability of the MTM-classification for proximal humeral fractures: a prospective study.
BMC musculoskeletal disorders 2008;9():21.
2007: Alexander T Mehlhorn; Philipp Niemeyer; K Kaschte; L Muller; Günter Finkenzeller; Dominik Hartl; Norbert P Sudkamp; Hagen Schmal
Differential effects of BMP-2 and TGF-beta1 on chondrogenic differentiation of adipose derived stem cells.
Cell proliferation 2007;40(6):809-23.
2007: Joern Zwingmann; Alexander T Mehlhorn; Norbert P Südkamp; Bjoern Stark; Martin Dauner; Hagen Schmal
Chondrogenic differentiation of human articular chondrocytes differs in biodegradable PGA/PLA scaffolds.
Tissue engineering 2007;13(9):2335-43.
2007: Hagen Schmal; Norbert P Südkamp; Michael Oberst
[Traumatic atlanto-occipital dislocation as part of a complex cervical spine injury. Case report in a 12-year-old girl].
Der Unfallchirurg 2007;110(8):720-5.
2007: Alexander T Mehlhorn; Peter C Strohm; O Hausschildt; Hagen Schmal; Norbert P Südkamp
Seizure-induced muscle force can caused lumbar spine fracture.
Acta chirurgiae orthopaedicae et traumatologiae Cechoslovaca 2007;74(3):202-5.
2007: Philipp Niemeyer; Martin Kornacker; Alexander T Mehlhorn; Anja Seckinger; Jana Vohrer; Hagen Schmal; Philip Kasten; Volker Eckstein; Norbert P Südkamp; Ulf Krause
Comparison of immunological properties of bone marrow stromal cells and adipose tissue-derived stem cells before and after osteogenic differentiation in vitro.
Tissue engineering 2007;13(1):111-21.
2007: Hagen Schmal; Joern Zwingmann; M Fehrenbach; Günter Finkenzeller; G Björn Stark; Norbert P Südkamp; Dominik Hartl; Alexander T Mehlhorn
bFGF influences human articular chondrocyte differentiation.
Cytotherapy 2007;9(2):184-93.
2007: Hagen Schmal; Philipp Niemeyer; Martin Roesslein; Dominik Hartl; Torsten Loop; Norbert P Südkamp; G Björn Stark; Alexander T Mehlhorn
Comparison of cellular functionality of human mesenchymal stromal cells and PBMC.
Cytotherapy 2007;9(1):69-79.
2006: Alexander T Mehlhorn; Philipp Niemeyer; S Kaiser; Günter Finkenzeller; G Björn Stark; Norbert P Südkamp; Hagen Schmal
Differential expression pattern of extracellular matrix molecules during chondrogenesis of mesenchymal stem cells from bone marrow and adipose tissue.
Tissue engineering 2006;12(10):2853-62.
2006: Alexander T Mehlhorn; Hagen Schmal; Norbert P Sudkamp
Clinical evaluation of a new custom offset shoulder prosthesis for treatment of complex fractures of the proximal humerus.
Acta orthopaedica Belgica 2006;72(4):387-94.
2006: Alexander T Mehlhorn; Hagen Schmal; S Kaiser; G Lepski; Günter Finkenzeller; G Björn Stark; Norbert P Südkamp
Mesenchymal stem cells maintain TGF-beta-mediated chondrogenic phenotype in alginate bead culture.
Tissue engineering 2006;12(6):1393-403.
2006: Peter C Strohm; Hagen Schmal; K Kuminack; K Reising; Norbert P Südkamp
[Intertrochanteric femoral fractures in children].
Der Unfallchirurg 2006;109(5):425-30.
2006: Hagen Schmal; Alexander T Mehlhorn; Miriam Fehrenbach; Christof A Müller; Günter Finkenzeller; Norbert P Südkamp
Regulative mechanisms of chondrocyte adhesion.
Tissue engineering 2006;12(4):741-50.
2006: Hagen Schmal; Peter C Strohm; S K Rosahl; Norbert P Südkamp
[Rupture of the arteria subscapularis following reduction of an anterior shoulder dislocation].
Der Unfallchirurg 2006;109(2):153-5.
2005: Hagen Schmal; Gerhard Geiger
Laparoscopic splenic salvage in delayed rupture by application of fibrin glue in a 10-year-old boy.
The Journal of trauma 2005;58(3):628-30.
2005: Hagen Schmal; Max Markmiller; Alexander T Mehlhorn; Norbert P Sudkamp
Epidemiology and outcome of complex pelvic injury.
Acta orthopaedica Belgica 2005;71(1):41-7.
2005: Andreas Wenger; Nadja Kowalewski; Andreas Stahl; Alexander T Mehlhorn; Hagen Schmal; G Björn Stark; Günter Finkenzeller
Development and characterization of a spheroidal coculture model of endothelial cells and fibroblasts for improving angiogenesis in tissue engineering.
Cells, tissues, organs 2005;181(2):80-8.
2005: Hagen Schmal; Alexander T Mehlhorn; Joern Zwingmann; C A Müller; G Björn Stark; Norbert P Südkamp
Stimulation of chondrocytes in vitro by gene transfer with plasmids coding for epidermal growth factor (hEGF) and basic fibroblast growth factor (bFGF).
Cytotherapy 2005;7(3):292-300.
2004: Hagen Schmal; C Klemt; Norbert P Südkamp
[Evaluation of shoulder arthroplasty in treatment of four-fragment fractures of the proximal humerus].
Der Unfallchirurg 2004;107(7):575-82.
2002: Hagen Schmal; C Klemt; C Haag; Felix Bonnaire
[Complex pelvic injury in childhood].
Der Unfallchirurg 2002;105(8):748-54.
2000: NM Bless; Markus Huber-Lang; Ren-Feng Guo; Roscoe L Warner; Hagen Schmal; BJ Czermak; Thomas P Shanley; LD Crouch; Alex B Lentsch; J Vidya Sarma; Michael S Mulligan; HP Friedl; Peter A Ward
Role of CC chemokines (macrophage inflammatory protein-1 beta, monocyte chemoattractant protein-1, RANTES) in acute lung injury in rats.
Journal of immunology (Baltimore, Md. : 1950) 2000;164(5):2650-9.
1999: BJ Czermak; J Vidya Sarma; C L Pierson; Roscoe L Warner; Markus Huber-Lang; NM Bless; Hagen Schmal; HP Friedl; Peter A Ward
Protective effects of C5a blockade in sepsis.
Nature medicine 1999;5(7):788-92.
1999: BJ Czermak; Alex B Lentsch; NM Bless; Hagen Schmal; HP Friedl; Peter A Ward
Synergistic enhancement of chemokine generation and lung injury by C5a or the membrane attack complex of complement.
The American journal of pathology 1999;154(5):1513-24.
1999: BJ Czermak; M Breckwoldt; ZB Ravage; Markus Huber-Lang; Hagen Schmal; NM Bless; HP Friedl; Peter A Ward
Mechanisms of enhanced lung injury during sepsis.
The American journal of pathology 1999;154(4):1057-65.
1999: BJ Czermak; J Vidya Sarma; NM Bless; Hagen Schmal; HP Friedl; Peter A Ward
In vitro and in vivo dependency of chemokine generation on C5a and TNF-alpha.
Journal of immunology (Baltimore, Md. : 1950) 1999;162(4):2321-5.
1999: NM Bless; Roscoe L Warner; V A Padgaonkar; Alex B Lentsch; BJ Czermak; Hagen Schmal; HP Friedl; Peter A Ward
Roles for C-X-C chemokines and C5a in lung injury after hindlimb ischemia-reperfusion.
The American journal of physiology 1999;276(1 Pt 1):L57-63.
1998: NM Bless; S J Tojo; H Kawarai; Y Natsume; Alex B Lentsch; V A Padgaonkar; BJ Czermak; Hagen Schmal; HP Friedl; Peter A Ward
Differing patterns of P-selectin expression in lung injury.
The American journal of pathology 1998;153(4):1113-22.
1998: Hagen Schmal; BJ Czermak; Alex B Lentsch; NM Bless; Beatrice Beck-Schimmer; HP Friedl; Peter A Ward
Soluble ICAM-1 activates lung macrophages and enhances lung injury.
Journal of immunology (Baltimore, Md. : 1950) 1998;161(7):3685-93.
1998: Beatrice Beck-Schimmer; Ralph C Schimmer; Hagen Schmal; Craig M Flory; HP Friedl; T Pasch; Peter A Ward
Characterization of rat lung ICAM-1.
Inflammation research : official journal of the European Histamine Research Society ... [et al.] 1998;47(7):308-15.
1998: BJ Czermak; Alex B Lentsch; NM Bless; Hagen Schmal; HP Friedl; Peter A Ward
Role of complement in in vitro and in vivo lung inflammatory reactions.
Journal of leukocyte biology 1998;64(1):40-8.
1997: NM Bless; D Smith; J Charlton; BJ Czermak; Hagen Schmal; HP Friedl; Peter A Ward
Protective effects of an aptamer inhibitor of neutrophil elastase in lung inflammatory injury.
Current biology : CB 1997;7(11):877-80.
1997: Beatrice Beck-Schimmer; Ralph C Schimmer; Roscoe L Warner; Hagen Schmal; G Nordblom; Craig M Flory; Mark E Lesch; HP Friedl; Denis J Schrier; Peter A Ward
Expression of lung vascular and airway ICAM-1 after exposure to bacterial lipopolysaccharide.
American journal of respiratory cell and molecular biology 1997;17(3):344-52.
1997: Thomas P Shanley; Hagen Schmal; Roscoe L Warner; E Schmid; HP Friedl; Peter A Ward
Requirement for C-X-C chemokines (macrophage inflammatory protein-2 and cytokine-induced neutrophil chemoattractant) in IgG immune complex-induced lung injury.
Journal of immunology (Baltimore, Md. : 1950) 1997;158(7):3439-48.
1996: Hagen Schmal; Thomas P Shanley; M L Jones; HP Friedl; Peter A Ward
Role for macrophage inflammatory protein-2 in lipopolysaccharide-induced lung injury in rats.
Journal of immunology (Baltimore, Md. : 1950) 1996;156(5):1963-72.
1995: Thomas P Shanley; Hagen Schmal; HP Friedl; M L Jones; Peter A Ward
Role of macrophage inflammatory protein-1 alpha (MIP-1 alpha) in acute lung injury in rats.
Journal of immunology (Baltimore, Md. : 1950) 1995;154(9):4793-802.
1995: Thomas P Shanley; Hagen Schmal; HP Friedl; M L Jones; Peter A Ward
Regulatory effects of intrinsic IL-10 in IgG immune complex-induced lung injury.
Journal of immunology (Baltimore, Md. : 1950) 1995;154(7):3454-60.