Search Results - "Hol, Paul Johan"

Early aseptic loosening of a mobile-bearing total knee replacement: A case-control study with retrieval analyses by Kutzner, Ines, Hallan, Geir, Høl, Paul Johan, Furnes, Ove, Gøthesen, Øystein, Figved, Wender, Ellison, Peter

“…Background and purpose - Registry-based studies have reported an increased risk of aseptic tibial loosening for the cemented Low Contact Stress (LCS) total…”
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Cementing techniques for total knee arthroplasty in Norwegian hospitals; a questionnaire-based study by Khan, Michelle, Gjertsen, Jan-Erik, Fenstad, Anne Marie, Refsum, Anders, Nguyen, Uy, Hallan, Geir, Høl, Paul Johan, Furnes, Ove

“…Abstract Background Cementing technique in total knee arthroplasty (TKA) may influence implant survival. There is limited knowledge about the results with…”
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Impact of Maternal Selenium Status on Infant Outcome during the First 6 Months of Life by Varsi, Kristin, Bolann, Bjørn, Torsvik, Ingrid, Rosvold Eik, Tina Constanse, Høl, Paul Johan, Bjørke-Monsen, Anne-Lise

“…Pregnant women and infants are at risk for selenium deficiency, which is known to have negative effects on immune and brain function. We have investigated…”
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Novel Nanoparticulate and Ionic Titanium Antigens for Hypersensitivity Testing by Høl, Paul Johan, Kristoffersen, Einar K, Gjerdet, Nils Roar, Pellowe, Amanda S

“…Titanium is used in a wide variety of materials ranging from medical devices to materials used in everyday life. Adverse biological reactions that could occur…”
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Label-Free Monitoring of Uptake and Toxicity of Endoprosthetic Wear Particles in Human Cell Cultures by Jonitz-Heincke, Anika, Tillmann, Jenny, Ostermann, Melanie, Springer, Armin, Bader, Rainer, Hol, Paul Johan, Cimpan, Mihaela R

“…The evaluation of the biological effects of endoprosthetic wear particles on cells in vitro relies on a variety of test assays. However, most of these methods…”
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The Impact of Metal Ion Exposure on the Cellular Behavior of Human Osteoblasts and PBMCs: In Vitro Analyses of Osteolytic Processes by Jonitz-Heincke, Anika, Tillmann, Jenny, Klinder, Annett, Krueger, Simone, Kretzer, Jan Philippe, Høl, Paul Johan, Paulus, Alexander C, Bader, Rainer

“…Osteolysis in the periprosthetic tissue can be caused by metallic wear particles and ions that can originate from implant surface corrosion. These products…”
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Similarly low blood metal ion levels at 10‐years follow‐up of total hip arthroplasties with Oxinium, CoCrMo, and stainless steel femoral heads. Data from a randomized clinical trial by Høl, Paul Johan, Hallan, Geir, Furnes, Ove, Fenstad, Anne Marie, Indrekvam, Kari, Kadar, Thomas

“…The use of inert head materials such as ceramic heads has been proposed as a method of reducing wear and corrosion products from the articulating surfaces in…”
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Corrosion and metal release from overlapping arterial stents under mechanical and electrochemical stress – An experimental study by Høl, Paul Johan, Gjerdet, Nils R., Jonung, Torbjörn

“…Intra-arterial stenosis due to atherosclerosis is often treated with endovascular balloon dilatation with a metal stent. Restenosis is common and is frequently…”
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Inflammatory tissue reactions around aseptically loose cemented hip prostheses: A retrieval study of the Spectron EF stem with Reflection All‐Poly acetabular cup by Wolf, Susann, Johannessen, Anne Christine, Ellison, Peter, Furnes, Ove, Hallan, Geir, Rogg, Katharina, Skarstein, Kathrine, Høl, Paul Johan

“…The cemented Spectron EF stem in combination with the cemented non‐crosslinked Reflection All‐Poly cup showed a high rate of mid‐term aseptic loosening…”
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Wear particles and ions from cemented and uncemented titanium-based hip prostheses-A histological and chemical analysis of retrieval material by Grosse, Susann, Haugland, Hans Kristian, Lilleng, Peer, Ellison, Peter, Hallan, Geir, Høl, Paul Johan

“…Wear debris-induced inflammation is considered to be the main cause for periprosthetic osteolysis in total hip replacements (THR). The objective of this…”
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Effects of implant precoating and fat contamination on the stability of the tibial baseplate by Silva, Maya Maya Barbosa, Gjertsen, Jan-Erik, Moldestad, Irene Ohlen, Furnes, Ove Nord, Khan, Michelle, Høl, Paul Johan

“…Approximately 5% of primary total knee arthroplasty patients require revision within 10 years, often due to distal component loosening. Application of a thin…”
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Formation of potential titanium antigens based on protein binding to titanium dioxide nanoparticles by Vamanu, Carmen Irina, Høl, Paul Johan, Allouni, Zouhir Ekeland, Elsayed, Said, Gjerdet, Nils Roar

“…Degradation products of titanium implants include free ions, organo-metallic complexes, and particles, ranging from nano to macro sizes. The biological…”
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Polyethylene wear and cup migration of cemented total hip arthroplasty with femoral heads made of oxidized zirconium, steel, or cobalt chromium: a 10-year secondary analysis from a randomized trial using radiostereometry by Johannessen, Håkon Greve, Hallan, Geir, Kadar, Thomas, Fenstad, Anne Marie, Lygre, Stein Håkon Låstad, Haugan, Kristin, Høl, Paul Johan, Badawy, Mona, Jonsson, Benedikt, Indrekvam, Kari, Aamodt, Arild, Furnes, Ove

“…We aimed to evaluate polyethylene (PE) wear, cup migration, and clinical outcome over 10 years in total hip arthroplasties (THA) using different articulations…”
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Coordinating Retrieval and Register Studies Improves Postmarket Surveillance by Ellison, Peter, Hallan, Geir, Høl, Paul Johan, Gjerdet, Nils Roar, Havelin, Leif I.

“…Background The relative risk of revision of the Titan ® femoral stem due to aseptic loosening increased after 2000; however, the reasons for this have not been…”
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Should the galvanic combination of titanium and stainless steel surgical implants be avoided? by Høl, Paul Johan, Mølster, Anders, Gjerdet, Nils Roar

“…Summary It is recommended that one should not combine different metals in orthopaedic devices. The least noble metal in such a galvanic coupling is more likely…”
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Dental Amalgam and Selenium in Blood by Høl, Paul Johan, Vamnes, Jan Sverre, Gjerdet, Nils Roar, Eide, Rune, Isrenn, Rolf

“…It has been suggested that selenium (Se) exhibits protective effects against mercury (Hg) toxicity in humans due to formation of a Hg–Se complex bound to…”
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Copper, zinc, and selenium in human blood and urine after injection of sodium 2,3-dimercaptopropane-1-sulfonate: a study on subjects with dental amalgam by Høl, Paul Johan, Vamnes, Jan Sverre, Gjerdet, Nils Roar, Eide, Rune, Isrenn, Rolf

“…This study investigated the effects of a single dose of intravenously administered sodium 2,3-dimercaptopropane-1-sulfonate (DMPS) on the essential elements…”
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Organic leachables from polymer-based dental filling materials by Lygre, Henning, Høl, Paul Johan, Solheim, Einar, Moe, Grete

“…Results are reported from a study on the in vitro separation and identification of leachables from three different polymer-based dental filling materials by…”
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Metal ion levels in the blood of patients with metal-on-metal hip prostheses by Høl, Paul Johan, Hallan, Geir, Indrekvam, Kari

“…A BHR (Birmingham hip resurfacing) prosthesis was implanted in 445 people in Norway. Adverse reactions can arise as a result of the release of metal ions from…”
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Isolation of TiNbN wear particles from a coated metal‐on‐metal bearing: Morphological characterization and in vitro evaluation of cytotoxicity in human osteoblasts by Sellin, Marie‐Luise, Seyfarth‐Sehlke, Anika, Aziz, Mahammad, Fabry, Christian, Wenke, Katrin, Høl, Paul Johan, Rios‐Mondragon, Ivan, Cimpan, Mihaela Roxana, Frank, Marcus, Bader, Rainer, Jonitz‐Heincke, Anika

“…To improve the wear resistance of articulating metallic joint endoprostheses, the surfaces can be coated with titanium niobium nitride (TiNbN). Under poor…”
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