Femoral head size is a risk factor for total hip luxationA study of 42,987 primary hip arthroplasties from the Norwegian Arthroplasty Register

Byström, Sven; Espehaug, Birgitte; Furnes, Ove; Havelin, Leif Ivar

doi:10.1080/00016470310017893

Cited by 164 publications

(85 citation statements)

References 14 publications

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“…However, although constrained liners may aid in soft tissue tensioning and be cost-effective, they have been associated with a high risk of failure [12]. In addition, although large-diameter femoral heads, particularly those greater than 32 mm, are associated with greater impingement-free ROM [9] and a lower dislocation risk [4,7], these designs are not as effective in decreasing instability as once hoped nor can they be used in all patients as a result of size limitations. Furthermore, both constrained liners and large-diameter femoral heads have been linked to complications such as accelerated polyethylene wear rates and altered bone-prosthesis osseointegration [22,30].…”

Section: Introductionmentioning

confidence: 99%

Low Frequency of Early Complications With Dual-mobility Acetabular Cups in Cementless Primary THA

Chughtai

Diedrich

Jauregui

et al. 2016

Clinical Orthopaedics &Amp; Related Research

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Background Dislocation complicates 1% to 5% of primary total hip arthroplasties (THAs). As a result, some surgeons consider dual-mobility articulations, which are usually used in the revision setting to decrease the likelihood of dislocation, as an option for primary THA. However, few studies have evaluated their use in this setting. Questions/purposes (1) What is the cup survivorship when the dual-mobility articulation is used in the setting of primary THA? (2) What are the clinical outcomes with this approach? (3) What are the radiographic outcomes? (4) What are the complications of dual-mobility articulations in primary THA? Methods Between 2011 and 2013, the five participating surgeons performed 495 cementless primary THAs. During that time, one of the five surgeons used dual-mobility articulations for all THAs, and the other four used it whenever the acetabular cup size was 52 mm or greater to enable a 28-mm head. Of the 495 patients, 453 (92%) were performed using this device. Smaller patients were treated with a standard THA. Of the 453 patients, a total of 43 One of the authors certifies that he (PMB) has received or may receive payments, during the study period, an amount of USD 100,000 to USD 1,000,000 from Stryker Orthopaedics (Mahwah, NJ, USA) and an amount of USD 10,000 to USD 100,000 from Joint Active Systems (Effingham, IL, USA). One of the authors certifies that he (SFH) has received or may receive payments, during the study period, an amount of USD 100,000 to USD 1,000,000 from Stryker Orthopaedics, less than USD 10,000 from Slack Inc (Thorofare, NJ, USA), an amount of USD 10,000 to USD 100,000 from Convatec, and less than USD 10,000 from Thieme Inc (New York, NY, USA). One of the authors certifies that he (ALM) has received or may receive payments, during the study period, an amount of USD 100,000 to USD 1,000,000 from Stryker Orthopaedics. One of the authors certifies that he (FRK) has received or may receive payments, during the study period, an amount of USD 100,000 to USD 1,000,000 from Stryker Orthopaedics and an amount of USD 10,000 to USD 100,000 from DJ Orthopedics (Vista, CA, USA). One of the authors certifies that he (MAM) has received or may receive payments, during the study period, an amount of USD 100,000 to USD 1,000,000 from Stryker Orthopaedics, an amount of USD 10,000 to USD 100,000 from DJ Orthopedics, an amount of USD 10,000 to USD 100,000 from Microport (Arlington, TN, USA), an amount of USD 10,000 to USD 100,000 from J&J (New Brunswick NJ, USA), an amount of USD 10,000 to USD 100,000 from Medical Compression Systems (Tel Aviv, Israel), an amount of USD 10,000 to USD 100,000 from OnGoing Care Solutions (Pinellas Park, FL, USA), an amount of USD 10,000 to USD 100,000 from Sage Products LLC (Cary, IL, USA), an amount of USD 10,000 to USD 100,000 from TissueGene (Rockville, MD, USA) an amount of USD 10,000 to USD 100,000 from Pacira Pharmaceuticals (Parsippany, NJ, USA), an amount of USD 10,000 to USD 100,000 from Merz (Frankfurt, Germany), and an amount of USD 10,000 ...

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Section: Introductionmentioning

confidence: 99%

Low Frequency of Early Complications With Dual-mobility Acetabular Cups in Cementless Primary THA

Chughtai

Diedrich

Jauregui

et al. 2016

Clinical Orthopaedics &Amp; Related Research

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“…This recommendation does not appear to have lowered the dislocation rate in the Charnley THAs in the late registration period, where revisions due to dislocations after the posterolateral approach had increased after 7 years. For the Exeter THA, however, Bystrom et al found that with larger diameter heads (30 mm as compared to 26 and 28 mm), dislocation rates were similar between the lateral approach without trochanteric osteotomy and the posterior approach (Bystrom et al 2003). For THA, Berry et al (2005) found that the posteroalateral approach gave an increased risk of dislocation.…”

Section: Discussionmentioning

confidence: 98%

“…Our study verifies this finding for the Charnley THA, but not for the Exeter THA. This could indicate that the posterior approach is more technique-dependent and not so prone to dislocation if it is used with larger diameter heads or modular systems with the ability to adjust tension (Bystrom et al 2003, Berry et al 2005.…”

Section: Discussionmentioning

confidence: 99%

Prosthesis survival after total hip arthroplasty—does surgical approach matter? Analysis of 19,304 Charnley and 6,002 Exeter primary total hip arthroplasties reported to the Norwegian Arthroplasty Register

et al. 2007

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Background and purposeControversies still exist about whether there is any effect of operative approach on survival of hip prostheses. We compared long-term survival of primary total hip arthroplasties in a welldefined study population from a national prospective population-based registry with regard to the three most commonly used surgical approaches.Methods We assessed prosthesis survival according to surgical approach (the lateral with or without trochanteric osteotomy, and the posterolateral) for 19,304 Charnley and 6,002 Exeter total hip arthroplasties performed from 1987 to 2004.Results For Charnley total hip arthroplasties, lateral approach with trochanteric osteotomy had a lower probability of revision than lateral approach without trochanteric osteotomy (RR = 0.6, 95% CI: 0.5-0.8). The lower revision rate was due to fewer revisions for aseptic loosening and dislocation. The differences had declined in the latest time period (1995)(1996)(1997)(1998)(1999)(2000)(2001)(2002)(2003)(2004). We observed no differences between lateral approach without trochanteric osteotomy and posterolateral approach, except that there were more revisions due to dislocation in the posterolateral approach group (RR = 1.9, 95%CI: 1.1-3.2). No statistically significant differences were observed for Exeter total hip arthroplasties.Interpretation For Charnley prostheses, the lateral approach with trochanteric osteotomy gave a reduced revision risk compared to the other approaches, which was due to fewer revisions for dislocation, and in the

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“…In January 1994, the registration was extended to include information on all types of joint replacement performed in Norway (Furnes et al 1996). In accordance with the main objective of the NAR, the reported data has been used extensively to assess the survival of joint replacements (Engesaeter et al 1992, Havelin et al 1993, 1995a, b, c, 1999, Espehaug et al 1995, 1997a, b, 1998, Havelin 1995, Furnes et al 1996a, b, 1997a, b, Skeide et al 1996, Espehaug 1998a, b, Flugsrud et al 2002, Furnes 2002, Lie 2002, Byström et al 2003, Småbrekke et al 2004). National reports with mainly descriptive statistics are also published annually (http://www.haukeland.no/nrl), and each hospital is given individual information regarding its annual activity and the quality of the surgery performed locally.…”

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confidence: 99%

Registration completeness in the Norwegian Arthroplasty Register

et al. 2006

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Introduction A high degree of registration completeness is necessary in order to obtain unbiased and accurate register-based study results. We investigated the completeness of registration in the national Norwegian Arthroplasty Register (NAR).Material and methods Registration completeness for the years 1999-2002 was calculated as a percentage, with the number of joint replacements reported to the NAR as numerator and those reported to the Norwegian Patient Register (NPR) as denominator. While the NAR received information directly from the orthopedic surgeons on a voluntary basis, the NPR, which is mandatory, received information from the electronic administrative patient records of the hospitals.Results Registration completeness in the NAR was 97% (97% for primary operations; 101% for revisions). Completeness was 98% (97%; 106%) for hip replacements, and for knee replacements it was 99% (99%; 97%). Hip and knee replacements represented 95% of all operations. However, completeness was poorer for less common joint replacements and poorest for ankle implants (82%; 40%) and wrist implants (52%; 14%). In the NAR, completeness of registration of revisions involving only removal of one or more prosthetic parts was lower than for exchange revisions for all types of joint replacement. For hip implants, 76% of the removal revisions (80% of Girdlestone procedures) were reported, and for knee implants the figure was 62%. According to NPR statistics, removal procedures accounted for 9% of all revisions of hip and knee replacements.Interpretation In the NAR, registration completeness of hip and knee replacements was high both for

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Femoral head size is a risk factor for total hip luxationA study of 42,987 primary hip arthroplasties from the Norwegian Arthroplasty Register

Cited by 164 publications

References 14 publications

Low Frequency of Early Complications With Dual-mobility Acetabular Cups in Cementless Primary THA

Low Frequency of Early Complications With Dual-mobility Acetabular Cups in Cementless Primary THA

Prosthesis survival after total hip arthroplasty—does surgical approach matter? Analysis of 19,304 Charnley and 6,002 Exeter primary total hip arthroplasties reported to the Norwegian Arthroplasty Register

Registration completeness in the Norwegian Arthroplasty Register

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