| What … for? (Indications) Skeleton implants serve for the replacement of bone structures or joints, e. g. hip endoprosthesis, osteoarthritis (pain), fractures and more special diseases. (for bone fixation see: hard tissue-bone) |
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| Numbers Knee 49%, Hip 42% (global, 2012) 310.800 hip endoprostheses, U.S.A. (2010) 400.000 joint implants (220.000 hip, 150.000 knee, Germany 2014) |
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| Times Dependend on technique mobilization is possible after 1 -7 days. Rehabilitation happens after 6-12 weeks dependend on many individual factors. |
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| Risks (Contraindications) | short term: | Inflammation, thrombosis, hematoma, injury of nerves or vessels, hemorrhagia, metal hypersensitivity, metal toxicity, leg length inequality. | |||
| long term: | Loosening, dislocation, osteolysis, inflammation, chronic pain, death (<1%). | ||||
| Failures | 5% after 1st surgery | ||||
| Materials available | Titanium (TiAl6V4 a.o.), CoCrMo-alloys, Polyethylen (Teflon), PMMA | ||||
| Statistics | Hip replacement lasts 25 years in around 58% of patients (The Lancet, 2019) 95% more than 10 years 90% 20 years, 95% are satisfied, 2017: failure rate 2,2 – 3,2% (3rd year)(hip, Germany, Dtsch Ärzteblatt 2018) |
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| Literature | – Basic | Patient Information (manufacturer/Zimmer) (english) Endoprotheses: regaining independence and mobility (english) Endoprothetik – Zwischen Anspruch und Realität (german) |
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| – Problems | Hip-Replacement-Recalls (Drugwatch) 103.104 hip prosthesis injuries between 2008-2017, USA (AP/FDA) 2018 Selbsthilfegruppe für schadhafte Hüftprothesen (german) Der Spiegel: Rückruf von Hüftgelenksprothesen (german) |
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| – Science/Future | 3D-printed spine | ||||
| Register (links) | Canadian Joint Replacement Registry (Canada) Czech National Register of Joint Replacement (NRKN, Czech Republic) Deutschland Endoprothesenregister (german) Romanian Arthroplasty Register (Romania) Slovak Arthroplasty Register (Slovakia) Swedish Hip Arthroplasty Register (swedish) UK National Joint Registry (UK) Gelenkersatz: Anwendungsstandards und Register verbessern Qualität (german) Register und Netzwerke: Zusammenarbeit ist wichtig für den Erfolg (german) |
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