Andreas Ottersbach

Andreas Ottersbach
Institut Central Hôpital du Valais | ICHV · Orthopädie

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35
Publications
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474
Citations

Publications

Publications (35)
Article
Full-text available
The aim of this study was to investigate the radiological and clinical outcome of the direct anterior approach (DAA) in total hip arthroplasty (THA) using a collared cementless femoral short-stem. This retrospective study included 124 patients with 135 THAs operated from 2014 to 2016 using a collared cementless triple tapered hydroxyapatite-coated...
Article
Full-text available
Background and purpose — Metal sensitivity might provoke complications after arthroplasty. Correspondingly, coated “hypoallergenic” implants are of interest but long-term follow-up data are missing. Thus, we assessed immunological and clinical parameters in such patients. Patients and methods — 5 years’ follow-up data were obtained from 3 centers,...
Article
und Blutverlust, schnellere Rückkehr in die gewohnte Umgebung? Weniger stationäre Rehabilitationen und trotzdem sehr zufriedene Patienten bei gleichzeitig hoher Ergebnisqualität, gemessen mit funktionellen Scores? Und nebenbei noch die Liegezeit verringern und damit den Erlös pro Fall steigern-das geht doch nicht, oder? Doch, es geht sogar sehr gut...
Article
Full-text available
The aim of this study was to compare a patient cohort after total knee arthroplasty (TKA) in terms of the revision rate and the functional outcome, with and without patella resurfacing. Sixty-six patients (71 TKAs) were implanted with the mobile-bearing knee prosthesis system e.motion UC (Aesculap AG, Tuttlingen, Germany). These patients were divid...
Conference Paper
Full-text available
Process optimized minimally invasive total hip replacement: current state and future directions Andreas Ottersbach, Johannes Ferschl, Kim Pankert, Claus Cremer Spitalzentrum Oberwallis, Orthopädie, Brig Introduction In June 2005 the author introduced the minimally invasive direct approach in the Orthopedic Department of Brig, Switzerland. Meanwhile...
Chapter
Full-text available
The purpose of this study was to analyze a new concept of using the minimally invasive direct anterior approach (DAA) in total hip replacement (THR) in combination with a leg positioner (Rotex-Table) and a modified retractor system (Condor). To control leg length and offset, the navigation system OrthoPilot® (B. Braun, Aesculap) or the Medacta syst...
Article
Full-text available
The purpose of this study was to analyse a new concept of using the the minimally invasive direct anterior approach (DAA) in total hip replacement (THR) in combination with the leg positioner (Rotex- Table) and a modified retractor system (Condor). We evaluated retrospectively the first 100 primary THR operated with the new concept between 2009 and...
Article
This retrospective study compared the efficacy of computer navigation and conventional freehand techniques to place acetabular component orientation in the target position of acetabular cup inclination of 45 degrees and anteversion of 20 degrees . We selected 69 patients who had undergone total hip arthroplasty with freehand cup insertion who had c...
Chapter
Following its development period from 1993 to 1997 in joint and spinal surgery, the OrthoPilot system has proved its technical efficiency from 1997 onwards in a cadaver study [20] and in subsequent clinical trials. Moreover, the OrthoPilot navigation system has also shown substantially better results compared with the use of manual instrumentation...
Article
Studienziel: Vergleich der Pfannenpositionen von 50 freihand und 50 computerassistiert implantierten Pfannen in der Hüftendoprothetik. Methode: In der Zeit von 10/2002-11/2004 wurden 50 konventionell implantierte und 50 mit Hilfe eines kinematischen computergestützten Navigationssystems implantierte Pfannen bezüglich ihrer Positionsgenauigkeit verg...
Article
Unlabelled: In our clinical study, 200 total knee arthroplasties were evaluated to compare the use of the OrthoPilot system with conventional mechanical instrumentation. Long-term outcome of total knee replacement depends mainly on the accuracy of implant positioning and restoration of the mechanical leg axis. Our experience was that navigation co...
Article
Full-text available
The goal of the current study was to determine the accuracy of free-hand and computer-assisted cup replacement. We analysed the cup positions after 50 conventional instrumented THAs and compared them with the positions of 50 navigated cups. The operations were done between October 2002 and November 2004. To determine the accuracy of the cup positio...
Chapter
Full-text available
Die Einlagenversorgung ist ein wichtiger Bestandteil der orthopädischen Behandlung von Fußerkrankungen. Neben operativen Maßnahmen bei besonders schwerwiegenden Fällen sollte natürlich gerade im Wachstumsalter die krankengymnastische Fußbehandlung in den Gesamtbehandlungsplan integriert werden. Um korrekte Verordnungen zu gewährleisten und um Übert...
Chapter
Full-text available
Bei der degenerativen Spinalkanalstenose kommt es in einem primär normal weiten Wirbelkanal zu einer sekundären Einengung durch degenerative Veränderungen. Die Einengung ist meist auf 1 oder 2 Segmente beschränkt und innerhalb des Segments auf einen bestimmten Abschnitt. Die Einengung findet immer interlaminär (zwischen den Bogenebenen) mit Taillie...
Article
Das Osteoma cutis ist eine seltene Hauterkrankung, gekennzeichnet durch eine primäre heterotope Ossifikation des Integumentes. Es sind vier unterschiedliche Phänotypen bekannt. Die Ätiologie der Erkrankung ist unbekannt. Diskutiert werden eine metaplastische Genese oder das Vorliegen eines Hamartoms. Unter Umständen können sich bei progressivem Wac...
Article
Epiphysiodesis of the distal femoral and the proximal tibial epiphysis was already described by Phemister [18] in the early 30's as a procedure to correct limb length discrepancy. It is technically easy to perform and commonly used. To avoid failures the timing of surgery is of decisive importance. The final results of Phemister's method of epiphys...

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Project (1)
Project
Better recreation of offset and leg length in THA, usage of antiallergic coating in the cemented version