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Acta Orthopaedica

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https://www.readbyqxmd.com/read/29345170/cemented-total-hip-replacement-in-patients-under-55-years
#1
Manish Kiran, Linda R Johnston, Sankar Sripada, Gordon G Mcleod, Arpit C Jariwala
Background and purpose - About 86,000 total hip replacements (THR) have been registered in patients under 55 years in the National Joint Registry of England and Wales (NJR). The use of uncemented implants has increased, despite their outcomes not having been proven to be significantly better than cemented implants in this registry. We determined the implant survivorship and functional outcomes of cemented THR in patients under 55 years at a minimum follow-up of 22 years. Patients and methods - 104 hips in 100 patients were included in this prospective study...
January 18, 2018: Acta Orthopaedica
https://www.readbyqxmd.com/read/29231771/spinal-metastasis-with-neurologic-deficits
#2
Panagiotis Tsagozis, Henrik C F Bauer
Background and purpose - A significant number of patients with spinal metastases are treated non-surgically, but may need surgical treatment at a later stage due to progression of symptoms. Therefore, we investigated the need for late surgical decompression in patients with spinal metastasis who were initially deemed as non-surgical candidates, as well as the outcome of late surgery. Patients and methods - 116 patients who were referred to the orthopedic oncology department between 2002 and 2011 due to spinal metastasis with neurologic symptoms were deemed to be non-surgical candidates...
December 12, 2017: Acta Orthopaedica
https://www.readbyqxmd.com/read/29212388/good-inter-and-intraobserver-reliability-for-assessment-of-the-slip-angle-in-77-hip-radiographs-of-children-with-a-slipped-capital-femoral-epiphysis
#3
Bengt Herngren, Mikael Lindell, Gunnar Hågglund
Background and purpose - The decision on and the outcome of treatment for a slipped capital femoral epiphysis (SCFE) depend on the severity of the slip. In 2015, web-based registration was introduced into the Swedish Pediatric Orthopedic Quality (SPOQ) register. To determine whether the inclusion of commonly used methods in Sweden for radiographic measurement of SCFE (the calcar femorale [CF] method and the Billing method) is justified, we measured the inter- and intraobserver reliability of these 2 measurements...
December 6, 2017: Acta Orthopaedica
https://www.readbyqxmd.com/read/29202644/outpatient-total-hip-and-knee-arthroplasty
#4
Stephan B W Vehmeijer, Henrik Husted, Henrik Kehlet
As a result of the introduction of fast-track programs, the length of hospital stay after arthroplasty has decreased to a point where some patients meet the discharge criteria on the day of surgery. In several studies, well-established fast-track centers have demonstrated the feasibility of outpatient procedures in selected patients. However, in literature the term "outpatient" is sometimes also used for patients who spend one or more nights in hospital. We therefore propose to use "outpatient" solely for patients who are discharged to their own home on the day of surgery and do not have an overnight stay at either the hospital or another non-home facility...
December 5, 2017: Acta Orthopaedica
https://www.readbyqxmd.com/read/29202632/lower-age-increases-the-risk-of-revision-for-stemmed-and-resurfacing-shoulder-hemi-arthroplasty
#5
Magnus Ödquist, Kristofer Hallberg, Hans Rahme, Björn Salomonsson, Aldana Rosso
Background and purpose - The number of patients where shoulder hemiarthroplasty (SHA) is an option is still substantial. Descriptive analyses performed by the Swedish Shoulder Arthroplasty Registry (SSAR) showed that while patients receiving SHA designs, i.e. resurfacing hemi (RH) and stemmed hemi (SH), reported similar shoulder functionality and quality of life, the revision rate for RH (12%) was larger than for SH (6.7%); this difference was studied. Patients and methods - All primary SHA (n = 1,140) for OA reported to SSAR between 1999 and 2009 were analyzed regarding risk factors for revision and PROM outcome, 950 shoulders with primary OA (POA), and 190 secondary OA (SOA)...
December 5, 2017: Acta Orthopaedica
https://www.readbyqxmd.com/read/29172934/early-osteoarthritis-after-slipped-capital-femoral-epiphysis
#6
Lukas Helgesson, Peter Kälebo Johansson, Ylva Aurell, Carl-Johan Tiderius, Johan Kärrholm, Jacques Riad
Background and purpose - Slipped capital femoral epiphysis (SCFE) results in a more or less pronounced deformity of the proximal femur, sometimes causing impingement and early osteoarthritis. We studied early osteoarthritis after SCFE and the association with deformity and self-reported hip function, pain, and quality of life. Patients and methods - 9 women and 16 men, mean age 32 (21-50) years, 19 with unilateral and 6 with bilateral SCFE, participated. All patients had primarily been operated by pin or screw with no attempt at reposition of the slip...
November 27, 2017: Acta Orthopaedica
https://www.readbyqxmd.com/read/29172907/3-steps-to-improve-reporting-and-interpretation-of-patient-reported-outcome-scores-in-orthopedic-studies
#7
Ewa M Roos
No abstract text is available yet for this article.
November 27, 2017: Acta Orthopaedica
https://www.readbyqxmd.com/read/29171322/graft-fixation-influences-revision-risk-after-acl-reconstruction-with-hamstring-tendon-autografts
#8
Andreas Persson, Tone Gifstad, Martin Lind, Lars Engebretsen, Knut Fjeldsgaard, Jon Olav Drogset, Magnus Forssblad, Birgitte Espehaug, Asle B Kjellsen, Jonas M Fevang
Background and purpose - A large number of fixation methods of hamstring tendon autograft (HT) are available for anterior cruciate ligament reconstruction (ACLR). Some studies report an association between fixation method and the risk of revision ACLR. We compared the risk of revision of various femoral and tibial fixation methods used for HT in Scandinavia 2004-2011. Materials and methods - A register-based study of 38,666 patients undergoing primary ACLRs with HT, with 1,042 revision ACLRs. The overall median follow-up time was 2...
November 24, 2017: Acta Orthopaedica
https://www.readbyqxmd.com/read/29161930/no-radiological-and-clinical-advantages-with-patient-specific-positioning-guides-in-total-knee-replacement
#9
Justin A M J Van Leeuwen, Finnur Snorrason, Stephan M Röhrl
Background and purpose - Although the use of patient-specific positioning guides (PSPGs) in total knee replacement (TKR) in theory is promising, the technique has not yet proven its superior- ity compared with the conventional method. We compared radio- logical alignment and clinical outcome between TKR performed with the use of PSPGs and the conventional operation method. Patients and methods - 3 hospitals participated in a prospec- tive trial. 109 patients were randomized to either the conventional method or to the use of PSPGs...
November 22, 2017: Acta Orthopaedica
https://www.readbyqxmd.com/read/29160139/high-and-rising-burden-of-hip-and-knee-osteoarthritis-in-the-nordic-region-1990-2015
#10
Aliasghar A Kiadaliri, L Stefan Lohmander, Maziar Moradi-Lakeh, Ingemar F Petersson, Martin Englund
Background and purpose - Osteoarthritis (OA) imposes a substantial burden on individuals and societies. We report on the burden of knee and hip OA in the Nordic region. Patients and methods - We used the findings from the 2015 Global Burden of Diseases Study to explore prevalence, years lived with disability (YLDs), and disability-adjusted life-years (DALYs) of OA in the 6 Nordic countries during 1990-2015 (population of about 27 million in 2015). Results - During 1990-2015, the number of prevalent OA cases increased by 43% to 1,507,587 (95% uncertainty interval [UI] 1,454,338-1,564,778) in the region...
November 21, 2017: Acta Orthopaedica
https://www.readbyqxmd.com/read/29160130/the-effect-of-bearing-type-on-the-outcome-of-total-hip-arthroplasty
#11
Rinne M Peters, Liza N Van Steenbergen, Martin Stevens, Paul C Rijk, Sjoerd K Bulstra, Wierd P Zijlstra
Background and purpose - Alternative bearing surfaces such as ceramics and highly crosslinked polyethylene (HXLPE) were developed in order to further improve implant performance of total hip arthroplasties (THAs). Whether these alternative bearing surfaces result in increased longevity is subject to debate. Patients and methods - Using the Dutch Arthroplasty Register (LROI), we identified all patients with a primary, non-metal-on-metal THA implanted in the Netherlands in the period 2007-2016 (n = 209,912). Cumulative incidence of revision was calculated to determine differences in survivorship of THAs according to bearing type: metal-on-polyethylene (MoPE), metal-on-HXLPE (MoHXLPE), ceramic-on-polyethylene (CoPE), ceramic-on-HXLPE (CoHXLPE), ceramic-on-ceramic (CoC), and oxidized-zirconium-on-(HXL)polyethylene (Ox(HXL)PE)...
November 21, 2017: Acta Orthopaedica
https://www.readbyqxmd.com/read/29160123/fast-tracking-for-total-knee-replacement-reduces-use-of-institutional-care-without-compromising-quality
#12
Konsta J Pamilo, Paulus Torkki, Mikko Peltola, Maija Pesola, Ville Remes, Juha Paloneva
Background and purpose - Fast-tracking shortens the length of the primary treatment period (length of stay, LOS) after total knee replacement (TKR). We evaluated the influence of the fast-track concept on the length of uninterrupted institutional care (LUIC) and other outcomes after TKR. Patients and methods - 4,256 TKRs performed in 4 hospitals between 2009-2010 and 2012-2013 were identified from the Finnish Hospital Discharge Register and the Finnish Arthroplasty Register. Hospitals were classified as fast track (Hospital A) and non-fast track (Hospitals B, C and D)...
November 21, 2017: Acta Orthopaedica
https://www.readbyqxmd.com/read/29143557/particle-disease-really-does-exist
#13
Jukka Pajarinen, Jiri Gallo, Michiaki Takagi, Stuart B Goodman, Bengt Mjöberg
No abstract text is available yet for this article.
November 16, 2017: Acta Orthopaedica
https://www.readbyqxmd.com/read/29143546/is-the-proximal-bone-resorption-around-the-femoral-stem-after-hip-arthroplasty-really-caused-by-reduced-stress
#14
(no author information available yet)
No abstract text is available yet for this article.
November 16, 2017: Acta Orthopaedica
https://www.readbyqxmd.com/read/29119853/high-occurrence-of-osteoarthritic-histopathological-features-unaccounted-for-by-traditional-scoring-systems-in-lateral-femoral-condyles-from-total-knee-arthroplasty-patients-with-varus-alignment
#15
Venkata P Mantripragada, Nicolas S Piuzzi, Terri Zachos, Nancy A Obuchowski, George F Muschler, Ronald J Midura
Background and purpose - A better understanding of the patterns and variation in initiation and progression of osteoarthritis (OA) in the knee may influence the design of therapies to prevent or slow disease progression. By studying cartilage from the human lateral femoral condyle (LFC), we aimed to: (1) assess specimen distribution into early, mild, moderate, and severe OA as per the established histopathological scoring systems (HHGS and OARSI); and (2) evaluate whether these 2 scoring systems provide sufficient tools for characterizing all the features and variation in patterns of OA...
November 9, 2017: Acta Orthopaedica
https://www.readbyqxmd.com/read/29105554/good-clinical-and-radiographic-outcome-of-cementless-metal-metaphyseal-sleeves-in-total-knee-arthroplasty
#16
Martin Thorsell, Margareta Hedström, Marius C Wick, Rüdiger J Weiss
Background and purpose - The number of revision total knee arthroplasties (TKA) is continuously increasing, leading to a growing need for reliable management of metaphyseal bone loss. We evaluated patients operated with a TKA using metal metaphyseal sleeves for bone defects with a minimum 5-year follow-up. Patients and methods - 37 patients had been operated on. 3 patients died and 3 patients were lost during follow-up. Of the 31 remainders (20 women), 9 had been operated on with a primary TKA and 22 with a revision TKA at the index surgery...
November 6, 2017: Acta Orthopaedica
https://www.readbyqxmd.com/read/29105547/what-is-appropriate-surveillance-for-metal-on-metal-hip-arthroplasty-patients
#17
Gulraj S Matharu, Andrew Judge, Antti Eskelinen, David W Murray, Hemant G Pandit
The unexpected high revision rates of large-diameter (femoral head sizes of 36 mm or greater) metal-on-metal hip arthroplasties (MoMHAs) have led to worldwide regulatory authorities recommending regular surveillance, even for asymptomatic individuals. However, these recommendations are not evidence-based and are very costly. The rapidly evolving evidence base requires an update regarding the investigation and management of MoMHA patients. This article is the first of 2 (the second article in this series will consider the threshold for performing revision, and the outcomes following ARMD revision surgery: Matharu et al...
November 6, 2017: Acta Orthopaedica
https://www.readbyqxmd.com/read/29105532/early-aseptic-loosening-of-a-mobile-bearing-total-knee-replacement
#18
Ines Kutzner, Geir Hallan, Paul Johan Høl, Ove Furnes, Øystein Gøthesen, Wender Figved, Peter Ellison
Background and purpose - Registry-based studies have reported an increased risk of aseptic tibial loosening for the cemented Low Contact Stress (LCS) total knee replacement compared with other cemented designs; however, the reasons for this have not been established. We made a retrieval analysis with the aim of identifying the failure mechanism. Patients and methods - We collected implants, cement, tissue, blood, and radiographs from 32 failed LCS Complete cases. Damage to the tibial baseplate and insert was assessed...
November 6, 2017: Acta Orthopaedica
https://www.readbyqxmd.com/read/29072088/the-association-between-cement-type-and-the-subsequent-risk-of-revision-surgery-in-primary-total-hip-replacement
#19
Lea Trela-Larsen, Adrian Sayers, Ashley William Blom, Jason Crispin John Webb, Michael Richard Whitehouse
Background and purpose - To further improve the success of joint replacement surgery, attention needs to be paid to variations associated with improved or worsened outcomes. We investigated the association between the type of bone cement used and the risk of revision surgery after primary total hip replacement. Methods - We conducted a prospective study of data from the National Joint Registry for England and Wales between April 1, 2003 and December 31, 2013. 199,205 primary total hip replacements performed for osteoarthritis where bone cement was used were included...
October 26, 2017: Acta Orthopaedica
https://www.readbyqxmd.com/read/29065753/perioperative-adjuvant-corticosteroids-for-postoperative-analgesia-in-knee-arthroplasty
#20
Hasan R Mohammad, Thomas W Hamilton, Louise Strickland, Marialena Trivella, David Murray, Hemant Pandit
Background and purpose - Immediate postoperative pain management offered in knee arthroplasty is suboptimal in up to one-third of patients resulting in high opiate consumption and delayed discharge. In this meta-analysis we investigate the analgesic effect and safety of perioperative adjuvant corticosteroids in knee arthroplasty. Methods - Databases Medline, Embase, and Central were searched for randomized studies comparing the analgesic effect of adjuvant perioperative corticosteroids in knee arthroplasty...
October 25, 2017: Acta Orthopaedica
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