Carsten Perka

Author PubWeight™ 121.80‹?›

Top papers

Rank Title Journal Year PubWeight™‹?›
1 Charité total disc replacement--clinical and radiographical results after an average follow-up of 17 years. Eur Spine J 2005 2.75
2 A prospective, randomized study of computer-assisted and conventional total knee arthroplasty. Three-dimensional evaluation of implant alignment and rotation. J Bone Joint Surg Am 2007 2.33
3 Cytokine expression in human osteoblasts after antiseptic treatment: a comparative study between polyhexanide and chlorhexidine. J Invest Surg 2014 1.95
4 The surgical treatment of the lumbar disc prolapse: nucleotomy with additional transpedicular dynamic stabilization versus nucleotomy alone. Spine (Phila Pa 1976) 2005 1.84
5 Diagnosis of periprosthetic infection following total hip arthroplasty--evaluation of the diagnostic values of pre- and intraoperative parameters and the associated strategy to preoperatively select patients with a high probability of joint infection. J Orthop Surg Res 2008 1.60
6 Cis- and trans-acting gene regulation is associated with osteoarthritis. Am J Hum Genet 2006 1.55
7 Stair climbing is more critical than walking in pre-clinical assessment of primary stability in cementless THA in vitro. J Biomech 2005 1.54
8 Insights into mesenchymal stem cell aging: involvement of antioxidant defense and actin cytoskeleton. Stem Cells 2009 1.54
9 Small improvements in mechanical axis alignment achieved with MRI versus CT-based patient-specific instruments in TKA: a randomized clinical trial. Clin Orthop Relat Res 2014 1.40
10 The early fracture hematoma and its potential role in fracture healing. Tissue Eng Part B Rev 2010 1.38
11 Human early fracture hematoma is characterized by inflammation and hypoxia. Clin Orthop Relat Res 2011 1.29
12 Validity of frozen sections for analysis of periprosthetic loosening membranes. Clin Orthop Relat Res 2009 1.15
13 Varus malalignment has no influence on clinical outcome in midterm follow-up after total knee replacement. Arch Orthop Trauma Surg 2010 1.11
14 Standardized AP radiographs do not provide reliable diagnostic measures for the assessment of acetabular retroversion. J Orthop Res 2012 1.09
15 Influence of changes in stem positioning on femoral loading after THR using a short-stemmed hip implant. Clin Biomech (Bristol, Avon) 2007 1.06
16 Twenty-three neutrophil granulocytes in 10 high-power fields is the best histopathological threshold to differentiate between aseptic and septic endoprosthesis loosening. Histopathology 2009 1.04
17 Joint line elevation in revision TKA leads to increased patellofemoral contact forces. J Orthop Res 2010 1.04
18 Hypoxia promotes osteogenesis but suppresses adipogenesis of human mesenchymal stromal cells in a hypoxia-inducible factor-1 dependent manner. PLoS One 2012 1.04
19 Dynamic stabilization adjacent to single-level fusion: part II. No clinical benefit for asymptomatic, initially degenerated adjacent segments after 6 years follow-up. Eur Spine J 2010 1.04
20 Inflammatory phase of bone healing initiates the regenerative healing cascade. Cell Tissue Res 2011 1.03
21 Dynamic stabilization adjacent to single-level fusion: part I. Biomechanical effects on lumbar spinal motion. Eur Spine J 2010 1.03
22 Pre-operative frontal plane malalignment predicts the extension gap asymmetry in knee osteoarthritis. Int Orthop 2011 1.02
23 Osteoarthritis synovial fluid activates pro-inflammatory cytokines in primary human chondrocytes. Int Orthop 2012 1.02
24 Differential regulation of blood vessel formation between standard and delayed bone healing. J Orthop Res 2009 1.01
25 Tumoral calcinosis revisited: pathophysiology and treatment. Rheumatol Int 2003 1.01
26 Evidence of reduced muscle trauma through a minimally invasive anterolateral approach by means of MRI. Clin Orthop Relat Res 2010 0.99
27 The sex specificity of hip-joint muscles offers an explanation for better results in men after total hip arthroplasty. Int Orthop 2011 0.97
28 Dose-response relationship of mesenchymal stem cell transplantation and functional regeneration after severe skeletal muscle injury in rats. Tissue Eng Part A 2009 0.96
29 Cellular composition of the initial fracture hematoma compared to a muscle hematoma: a study in sheep. J Orthop Res 2009 0.96
30 Age-related appearance of muscle trauma in primary total hip arthroplasty and the benefit of a minimally invasive approach for patients older than 70 years. Int Orthop 2010 0.96
31 Matrix metalloprotease activity is an essential link between mechanical stimulus and mesenchymal stem cell behavior. Stem Cells 2007 0.96
32 Allogenic versus autologous cancellous bone in lumbar segmental spondylodesis: a randomized prospective study. Eur Spine J 2009 0.95
33 The association between the sagittal femoral stem alignment and the resulting femoral head centre in total hip arthroplasty. Int Orthop 2010 0.95
34 Gene expression profiling of primary human articular chondrocytes in high-density micromasses reveals patterns of recovery, maintenance, re- and dedifferentiation. Gene 2010 0.95
35 Influence of age and mechanical stability on bone defect healing: age reverses mechanical effects. Bone 2008 0.95
36 Insight into the molecular pathophysiology of delayed bone healing in a sheep model. Tissue Eng Part A 2010 0.94
37 Autologous bone marrow-derived cells enhance muscle strength following skeletal muscle crush injury in rats. Tissue Eng 2006 0.94
38 Time course of skeletal muscle regeneration after severe trauma. Acta Orthop 2010 0.94
39 Sex-specific compromised bone healing in female rats might be associated with a decrease in mesenchymal stem cell quantity. Bone 2009 0.94
40 Real time visualization of femoroacetabular impingement and subluxation using 320-slice computed tomography. J Orthop Res 2012 0.93
41 Evaluation of sonicate fluid cultures in comparison to histological analysis of the periprosthetic membrane for the detection of periprosthetic joint infection. Int Orthop 2013 0.93
42 The influence of alignment on the musculo-skeletal loading conditions at the knee. Langenbecks Arch Surg 2003 0.92
43 The influence of walking speed on kinetic and kinematic parameters in patients with osteoarthritis of the hip using a force-instrumented treadmill and standardised gait speeds. Arch Orthop Trauma Surg 2003 0.92
44 In vitro-cultivation of human periosteum derived cells in bioresorbable polymer-TCP-composites. Biomaterials 2002 0.92
45 In vivo visualization of locally transplanted mesenchymal stem cells in the severely injured muscle in rats. Tissue Eng Part A 2008 0.91
46 Effect of electron beam irradiation on biomechanical properties of patellar tendon allografts in anterior cruciate ligament reconstruction. Am J Sports Med 2010 0.91
47 CT evaluation of native acetabular orientation and localization: sex-specific data comparison on 336 hip joints. Technol Health Care 2010 0.91
48 Toward biomimetic materials in bone regeneration: functional behavior of mesenchymal stem cells on a broad spectrum of extracellular matrix components. J Biomed Mater Res A 2010 0.90
49 Matrix engineering for osteogenic differentiation of rabbit periosteal cells using alpha-tricalcium phosphate particles in a three-dimensional fibrin culture. J Biomed Mater Res 2002 0.90
50 Massive metallosis after revision of a fractured ceramic head onto a metal head. Arch Orthop Trauma Surg 2002 0.89
51 Osteogenic predifferentiation of human bone marrow-derived stem cells by short-term mechanical stimulation. Open Orthop J 2011 0.89
52 Inflammatory synovial fluid microenvironment drives primary human chondrocytes to actively take part in inflammatory joint diseases. Immunol Res 2012 0.89
53 Periprosthetic femoral fractures: outcome after treatment with LISS internal fixation or stem replacement in 36 patients. Acta Orthop Belg 2009 0.89
54 Acute arterial occlusion after total knee arthroplasty. Arch Orthop Trauma Surg 2003 0.88
55 Initial immune reaction and angiogenesis in bone healing. J Tissue Eng Regen Med 2012 0.88
56 Effects of tacrolimus, cyclosporin A and sirolimus on MG63 cells. Transpl Int 2006 0.88
57 Randomized controlled trial of abductor muscle damage in relation to the surgical approach for primary total hip replacement: minimally invasive anterolateral versus modified direct lateral approach. Arch Orthop Trauma Surg 2010 0.87
58 Mesenchymal stem cell therapy following muscle trauma leads to improved muscular regeneration in both male and female rats. Gend Med 2012 0.87
59 A formula to predict patients' gluteus medius muscle volume from hip joint geometry. Man Ther 2011 0.87
60 Surgical treatment of two-part fractures of the proximal humerus: comparison of fixed-angle plate osteosynthesis and Zifko nails. Injury 2010 0.87
61 Reverse shoulder arthroplasty leads to significant biomechanical changes in the remaining rotator cuff. J Orthop Surg Res 2011 0.86
62 Continuous psoas and sciatic block after knee arthroplasty: good effects compared to epidural analgesia or i.v. opioid analgesia: a prospective study of 63 patients. Acta Orthop 2007 0.86
63 A new device to control mechanical environment in bone defect healing in rats. J Biomech 2008 0.86
64 Simulation of cell differentiation in fracture healing: mechanically loaded composite scaffolds in a novel bioreactor system. Tissue Eng 2006 0.86
65 Influence of gender and fixation stability on bone defect healing in middle-aged rats: a pilot study. Clin Orthop Relat Res 2011 0.86
66 Two-stage operative strategy without local antibiotic treatment for infected hip arthroplasty: clinical and radiological outcome. Arch Orthop Trauma Surg 2006 0.86
67 How much of the PCL is really preserved during the tibial cut? Knee Surg Sports Traumatol Arthrosc 2011 0.86
68 Degenerative changes of the deltoid muscle have impact on clinical outcome after reversed total shoulder arthroplasty. Arch Orthop Trauma Surg 2010 0.85
69 MRI findings of gluteus minimus muscle damage in primary total hip arthroplasty and the influence on clinical outcome. Arch Orthop Trauma Surg 2010 0.85
70 Reconstruction of humeral length and centering of the prosthetic head in hemiarthroplasty for proximal humeral fractures. J Shoulder Elbow Surg 2008 0.85
71 Toxicity of antiseptics against chondrocytes: what is best for the cartilage in septic joint surgery? Int Orthop 2011 0.84
72 Human immune cells' behavior and survival under bioenergetically restricted conditions in an in vitro fracture hematoma model. Cell Mol Immunol 2013 0.84
73 Tuberosity position correlates with fatty infiltration of the rotator cuff after hemiarthroplasty for proximal humeral fractures. J Shoulder Elbow Surg 2009 0.84
74 Biomechanical, microvascular, and cellular factors promote muscle and bone regeneration. Exerc Sport Sci Rev 2008 0.83
75 Increased BMP expression in arthrofibrosis after TKA. Knee Surg Sports Traumatol Arthrosc 2011 0.83
76 Increased flexion position of the femoral component reduces the flexion gap in total knee arthroplasty. Knee Surg Sports Traumatol Arthrosc 2011 0.83
77 Tissue distribution and dependence of responsiveness of human antigen-specific memory B cells. J Immunol 2014 0.83
78 Adequate surgical treatment of periprosthetic femoral fractures following hip arthroplasty does not correlate with functional outcome and quality of life. Int Orthop 2015 0.83
79 Preoperative irradiation for the prevention of heterotopic ossification induces local inflammation in humans. Bone 2013 0.82
80 Kinematic analysis of the flexion axis for correct femoral component placement. Knee Surg Sports Traumatol Arthrosc 2011 0.82
81 Lateralized reverse shoulder arthroplasty maintains rotational function of the remaining rotator cuff. Clin Orthop Relat Res 2012 0.82
82 Femoral Offset (3D) in Patients without Osteoarthritis - Index Values from 200 Hip Joints. Open Orthop J 2012 0.82
83 3D CT analysis of combined cup and stem anteversion in cases of cup navigation in hip arthroplasty. Orthopedics 2010 0.82
84 The gap technique does not rotate the femur parallel to the epicondylar axis. Arch Orthop Trauma Surg 2010 0.82
85 Inter- and intraobserver variability in the postoperative evaluation of transpedicular stabilization: computed tomography versus magnetic resonance imaging. Spine J 2010 0.81
86 Use of Redon drains in primary total hip arthroplasty has no clinically relevant benefits. Orthopedics 2012 0.81
87 Clinical efficacy and compatibility of allogeneic avital tissue transplants sterilized with a peracetic acid/ethanol mixture. Cell Tissue Bank 2002 0.81
88 Assessment of fatty degeneration of the gluteal muscles in patients with THA using MRI: reliability and accuracy of the Goutallier and quartile classification systems. J Arthroplasty 2013 0.81
89 Collateral ligament length change patterns after joint line elevation may not explain midflexion instability following TKA. Med Eng Phys 2011 0.81
90 Preferred use of polyhexanide in orthopedic surgery. Orthopedics 2011 0.81
91 Intravenous Iloprost treatment for severe bone pain caused by sickle cell crisis. Thromb Haemost 2004 0.81
92 Modulation of matrix metalloprotease-2 levels by mechanical loading of three-dimensional mesenchymal stem cell constructs: impact on in vitro tube formation. Tissue Eng Part A 2010 0.81
93 Influence of body mass index and thickness of soft tissue on accuracy of ultrasound and pointer based registration in navigation of cup in hip arthroplasty. Technol Health Care 2010 0.81
94 Periosteal cells compared with autologous cancellous bone in lumbar segmental fusion. J Neurosurg Spine 2008 0.80
95 The Zweymüller threaded cup: a choice in revision? Migration analysis and follow-up after 6 years. J Arthroplasty 2006 0.80
96 Noninvasive monitoring of training induced muscle adaptation with 31P-MRS: fibre type shifts correlate with metabolic changes. Biomed Res Int 2013 0.80
97 Generic rules of mechano-regulation combined with subject specific loading conditions can explain bone adaptation after THA. PLoS One 2012 0.80
98 Femur positioning in navigated total knee arthroplasty. Orthopedics 2012 0.80
99 Toxicity of polyhexanide and hydrogen peroxide on human chondrocytes in vitro. Orthopedics 2011 0.79
100 Thromboembolism prophylaxis with dabigatran leads to lower perioperative blood loss than with dalteparin in primary knee arthroplasty. Arch Orthop Trauma Surg 2011 0.79
101 Optimization of bone engineering by means of growth factors in a three-dimensional matrix. J Biomed Mater Res A 2003 0.79
102 [Reconstruction of large acetabular defects using trabecular metal augments]. Oper Orthop Traumatol 2010 0.79
103 CD133: enhancement of bone healing by local transplantation of peripheral blood cells in a biologically delayed rat osteotomy model. PLoS One 2013 0.79
104 Immediate and delayed transplantation of mesenchymal stem cells improve muscle force after skeletal muscle injury in rats. J Tissue Eng Regen Med 2012 0.79
105 Influence of the position of the fibular head after implantation of a total knee prosthesis on femorotibial rotation. Orthopedics 2011 0.79
106 Influence of prosthesis design and implantation technique on implant stresses after cementless revision THR. J Orthop Surg Res 2011 0.79
107 Development of cervical interspinous bursitis after prolonged sports trauma: a case report. Joint Bone Spine 2005 0.78
108 The biological and biomechanical effect of different graft tensioning in anterior cruciate ligament reconstruction: an experimental study. Arch Orthop Trauma Surg 2002 0.78
109 Primary resection of the posterior cruciate ligament does not produce a gap mismatch in the navigated gap technique. Orthopedics 2010 0.78
110 Use of an ultrasound-based navigation system for an accurate acetabular positioning in total hip arthroplasty: a prospective, randomized, controlled study. J Arthroplasty 2011 0.78
111 Tissue-engineered cartilage of porcine and human origin as in vitro test system in arthritis research. Biotechnol Prog 2010 0.78
112 BMI and gender do not influence surgical accuracy during minimally invasive total hip arthroplasty. Hip Int 2011 0.78
113 Limited use of antiseptics in septic surgery. J Invest Surg 2012 0.78
114 Intramedullary control of distal femoral resection results in precise coronal alignment in TKA. Arch Orthop Trauma Surg 2014 0.78
115 Comparison between pointer-based and ultrasound-based navigation technique in THA using a minimally invasive approach. Orthopedics 2008 0.77
116 Reproducibility of femoral offset following short stem and straight stem total hip arthroplasty. Orthopedics 2014 0.77
117 In situ tele-thermographic measurements during PMMA spacer augmentation in temporary arthrodesis after periprosthetic knee joint infection. Technol Health Care 2012 0.77
118 The challenges of modern interdisciplinary medical research. Nat Biotechnol 2011 0.77
119 The impact of Porphyromonas gingivalis lipids on apoptosis of primary human chondrocytes. Connect Tissue Res 2012 0.77
120 BMP-2 Dependent Increase of Soft Tissue Density in Arthrofibrotic TKA. Open Orthop J 2012 0.77
121 Detection of differential mitotic cell age in bone marrow CD34(+) cells from patients with myelodysplastic syndrome and acute leukemia by analysis of an epigenetic molecular clock DNA signature. Exp Hematol 2010 0.77
122 Validation of a CT image based software for three-dimensional measurement of acetabular cup orientation. Technol Health Care 2011 0.77
123 The metaphyseal bone defect predicts outcome in reverse shoulder arthroplasty for proximal humerus fracture sequelae. Arch Orthop Trauma Surg 2014 0.77
124 Polyhexanide and hydrogen peroxide inhibit proteoglycan synthesis of human chondrocytes. J Histotechnol 2011 0.76
125 Antibiotic treatment and timing of reimplantation. J Arthroplasty 2013 0.76
126 The perioperative von Willebrand factor activity and factor VIII levels among alcohol use disorder patients undergoing total knee or hip replacement. Subst Use Misuse 2010 0.76
127 The direct lateral approach: impact on gait patterns, foot progression angle and pain in comparison with a minimally invasive anterolateral approach. Arch Orthop Trauma Surg 2012 0.76
128 Intra-Arterial MSC Transplantation Restores Functional Capacity After Skeletal Muscle Trauma. Open Orthop J 2012 0.76
129 Correlation of different bone markers with bone density in patients with rheumatic diseases on glucocorticoid therapy. Rheumatol Int 2005 0.76
130 Temporal but not spatial variability during gait is reduced after selective dorsal rhizotomy in children with cerebral palsy. PLoS One 2013 0.76
131 Ultrasound-based navigation and 3D CT compared in acetabular cup position. Orthopedics 2009 0.76
132 Human intervertebral disc cell culture for disc disorders. Clin Orthop Relat Res 2004 0.76
133 Effect of a direct thrombin inhibitor compared with dalteparin and unfractionated heparin on human osteoblasts. Open Orthop J 2011 0.76
134 Ultrasound-based computer navigation of the acetabular component: a feasibility study. Arch Orthop Trauma Surg 2011 0.76
135 Effects of indigo carmine on human chondrocytes in vitro. Open Orthop J 2013 0.75
136 Distraction osteogenesis enhances remodeling of remote bones of the skeleton: a pilot study. Clin Orthop Relat Res 2009 0.75
137 Case reports: fractures of threaded cups: rare complications of a well-established implant. Clin Orthop Relat Res 2008 0.75
138 Treated Hypertension has No Influence on the Efficacy of Alendronate in the Therapy of Postmenopausal Osteoporosis: A Non-Randomized, Non-Blind, Controlled Prospective Study. Open Orthop J 2011 0.75
139 Patella Infera in an HIV Positive Patient Following Total Knee Arthroplasty. Open Orthop J 2011 0.75
140 Human osteoblast damage after antiseptic treatment. Int Orthop 2014 0.75
141 Improvement of research quality in the fields of orthopaedics and trauma: a global perspective. Int Orthop 2013 0.75
142 Relationship between cup position and obturator externus muscle in total hip arthroplasty. J Orthop Surg Res 2010 0.75
143 Influence of goal-directed therapy with balanced crystalloid-colloid or unbalanced crystalloid solution on base excess. J Int Med Res 2014 0.75
144 Transvaginal emergence of a broken cup marker ring 21 years after total hip arthroplasty. J Arthroplasty 2009 0.75
145 Washing of drained blood does not alter immediate immune effects of retransfusion. Transfusion 2008 0.75
146 The difference between stretching and splitting muscle trauma during THA seems not to play a dominant role in influencing periprosthetic BMD changes. Clin Biomech (Bristol, Avon) 2012 0.75
147 The early phases of bone healing can be differentiated in a rat osteotomy model by focused transverse-transmission ultrasound. Ultrasound Med Biol 2013 0.75
148 Histogram feature-based classification improves differentiability of early bone healing stages from micro-computed tomographic data. J Comput Assist Tomogr 2012 0.75
149 Effects of intravenous iloprost therapy in patients with bone marrow oedema of the foot and ankle. Eur J Orthop Surg Traumatol 2013 0.75
150 Digital 3-dimensional analysis of the paravertebral lumbar muscles after circumferential single-level fusion. J Spinal Disord Tech 2011 0.75
151 Frontal plane alignment: an imageless method to predict the mechanical femoral-tibial angle (mFTA) based on functional determination of joint centres and axes. Gait Posture 2010 0.75
152 Differences in muscle trauma quantifiable in the laboratory between the minimally invasive anterolateral and transgluteal approach. Arch Orthop Trauma Surg 2010 0.75
153 Antibiotic treatment and timing of reimplantation. J Orthop Res 2014 0.75