Search Results - "Santavirta, S S"

Potential of coatings in total hip replacement by Lappalainen, Reijo, Santavirta, Seppo S

“…In total hip replacements, the bulk properties of materials, such as proper elasticity and hardness, are important. However, the material interacts with the…”
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Analysis of 16 different matrix metalloproteinases (MMP-1 to MMP-20) in the synovial membrane: different profiles in trauma and rheumatoid arthritis by Konttinen, Yrjö T, Ainola, Mia, Valleala, Heikki, Ma, Jian, Ida, Hideo, Mandelin, Jami, Kinne, Raimund W, Santavirta, Seppo, Sorsa, Timo, López-Otín, Carlos, Takagi, Michiaki

“…OBJECTIVE To define the pattern of mRNA expression of all human matrix metalloproteinases (MMPs) described to date in rheumatoid arthritis (RA) and traumatic…”
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Reduction of wear in total hip replacement prostheses by amorphous diamond coatings by Lappalainen, Reijo, Selenius, Mikko, Anttila, Asko, Konttinen, Yrjö T., Santavirta, Seppo S.

“…Wear‐debris–induced periprosthetic bone loss and aseptic loosening is regarded as the main long‐term problem of total hip replacements (THRs). In this study…”
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Effect of bone mineral density and amorphous diamond coatings on insertion torque of bone screws by Koistinen, Arto, Santavirta, Seppo S., Kröger, Heikki, Lappalainen, Reijo

“…In this study, the potential of high-quality amorphous diamond (AD) coatings in reducing the torque and failures of bone screws was studied. Torque values were…”
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Human neutrophil collagenase MMP-8 in peri-implant sulcus fluid and its inhibition by clodronate by Teronen, O, Konttinen, Y T, Lindqvist, C, Salo, T, Ingman, T, Lauhio, A, Ding, Y, Santavirta, S, Sorsa, T

“…The exact molecular mechanisms of the loosening of a dental implant are not well-known. The characteristics of implant sulci are similar to those of…”
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Assessing Quality of Life in Individuals with Hereditary Blood Coagulation Disorders by Solovieva, S, Santavirta, N, Santavirta, S, Konttinen, Y T

“…The aim of this study was to test the reliability and validity of the SF-36 questionnaire among the patients with hereditary blood coagulation disorders, to…”
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The counterface, surface smoothness, tolerances, and coatings in total joint prostheses by Santavirta, S S, Lappalainen, R, Pekko, P, Anttila, A, Konttinen, Y T

“…Proper counterface material combinations, surface finish, and tolerances of contact surfaces are important issues in minimizing friction, wear, and corrosion…”
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Acid Attack and Cathepsin K in Bone Resorption Around Total Hip Replacement Prosthesis by Konttinen, Yrjö T., Takagi, Michiaki, Mandelin, Jami, Lassus, Jan, Salo, Jari, Ainola, Mari, Li, Tian‐Fang, Virtanen, Ismo, Liljeström, Mikko, Sakai, Hideaki, Kobayashi, Yasuhiro, Sorsa, Timo, Lappalainen, Reijo, Demulder, Anne, Santavirta, Seppo

“…Normal bone remodeling and pathological bone destruction have been considered to be osteoclast‐driven. Osteoclasts are able to attach to bare bone surface and…”
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Charnley's clinical experience with total hip replacement by Santavirta, S

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The effect of geometry and abduction angle on the stresses in cemented UHMWPE acetabular cups--finite element simulations and experimental tests by Korhonen, Rami K, Koistinen, Arto, Konttinen, Yrjö T, Santavirta, Seppo S, Lappalainen, Reijo

“…Contact pressure of UHMWPE acetabular cup has been shown to correlate with wear in total hip replacement (THR). The aim of the present study was to test the…”
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Rapid proliferation of calcitonin gene-related peptide-immunoreactive nerves during healing of rat tibial fracture suggests neural involvement in bone growth and remodelling by Hukkanen, M, Konttinen, Y T, Santavirta, S, Paavolainen, P, Gu, X H, Terenghi, G, Polak, J M

“…The nervous system may be actively involved in bone repair and in remodelling of callous tissue in bone fractures, as well as in the regulation of nociceptive…”
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Biocompatibility of silicon carbide in colony formation test in vitro: A promising new ceramic THR implant coating material by SANTAVIRTA, S, TAKAGI, M, NORDSLETTEN, L, ANTTILA, A, LAPPALAINEN, R, KONTTINEN, Y. T

“…We studied the possible use of silicon carbide (SiC) as a ceramic coating material of titanium-based total hip replacement (THR) implants. The idea is to…”
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Apparatus to test insertion and removal torque of bone screws by Koistinen, A, Santavirta, S, Lappalainen, R

“…This paper describes affordable equipment for testing bone screw torque, corresponding to ASTM standard F543-00 for testing metallic medical bone screws…”
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Complement in acute and chronic arthritides: assessment of C3c, C9, and protectin (CD59) in synovial membrane by Konttinen, Y T, Ceponis, A, Meri, S, Vuorikoski, A, Kortekangas, P, Sorsa, T, Sukura, A, Santavirta, S

“…OBJECTIVES: To investigate the role of complement cascade induced damage and protection against it in acute arthritides compared to rheumatoid arthritis and…”
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Neuropeptides of the autonomic nervous system in Sjögren’s syndrome by Santavirta, Nina, Konttinen, Yrjö T, Törnwall, Jyrki, Segerberg, Margaretha, Santavirta, Seppo, Matucci-Cerinic, Marco, Björvell, Hjördis

“…OBJECTIVE To assess the activity level of the autonomic nervous system in Sjögren’s syndrome (SS) and to correlate this with stress. METHODS Patients with SS…”
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Musculoskeletal pain and functional ability in haemophilia A and B. Physiotherapy and rehabilitation in haemophilia patients by SANTAVIRTA, N, SOLOVIEVA, S, HELKAMA, O, LEHTO, S, KONTTINEN, Y. T, SANTAVIRTA, S

“…The present study was carried out to evaluate the progress of physical musculoskeletal ability and pain in Finnish haemophilia A and B patients during a given…”
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Tumor necrosis factor-alpha (TNF-alpha) in loosening of total hip replacement (THR) by Xu, J W, Konttinen, Y T, Lassus, J, Natah, S, Ceponis, A, Solovieva, S, Aspenberg, P, Santavirta, S

“…The initially well-fixed implants of total hip replacement (THR) are in the long-term subject to aseptic loosening. Many cytokines can contribute to osteolysis…”
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Periosteal and perichondral grafting in reconstructive surgery by Ritsilä, V A, Santavirta, S, Alhopuro, S, Poussa, M, Jaroma, H, Rubak, J M, Eskola, A, Hoikka, V, Snellman, O, Osterman, K

“…Periosteum consists of multipotent mesodermal cells, and the influence of the environment on differentiation of cells of free periosteal grafts has been…”
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Aggressive granulomatous lesions associated with hip arthroplasty. Immunopathological studies by Santavirta, S, Konttinen, Y T, Bergroth, V, Eskola, A, Tallroth, K, Lindholm, T S

“…The local immunopathological response was analyzed in six patients who had a revision of a total hip prosthesis because of an aggressive granulomatous lesion…”
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Failure of reduction with an external fixator in the management of injuries of the pelvic ring : Long-term evaluation of 110 patients by LINDAHL, J, HIRVENSALO, E, BÖSTMAN, O, SANTAVIRTA, S

“…We reviewed 110 patients with an unstable fracture of the pelvic ring who had been treated with a trapezoidal external fixator after a mean follow-up of 4.1…”
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