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Park CW, Jeong SJ, Cho K, Kim SY, Lim SJ, Park YS. Bearing-Related Complications of Total Hip Arthroplasty Using Fourth-Generation Ceramic-On-Ceramic Articulations: Does Articular Noise Increase Over Time? J Arthroplasty 2024; 39:2536-2541.e1. [PMID: 38735552 DOI: 10.1016/j.arth.2024.05.021] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/29/2023] [Revised: 05/05/2024] [Accepted: 05/06/2024] [Indexed: 05/14/2024] Open
Abstract
BACKGROUND We previously reported the mean 6-year outcomes of total hip arthroplasty (THA) using fourth-generation ceramic-on-ceramic (CoC) articulations. With extended observations, this study aimed to report the mean 12-year outcomes focusing on bearing-related complications of CoC THA. METHODS We reviewed primary CoC THAs performed between May 2009 and April 2012 at a single institution. Of the 831 hips (739 patients), 716 hips (635 patients) that satisfied a minimum 10-year follow-up were included. The mean age at operation was 54 years (range, 16 to 83). The occurrence of bearing-specific complications, including ceramic fractures and noise generation, was evaluated. The mean follow-up duration was 12 years (range, 10 to 14). RESULTS A total of 2 (0.3%) ceramic liner fractures occurred, as previously reported. No additional ceramic fractures were observed during the extended follow-up period. However, the cumulative incidence of audible noise increased from 6.4 (48 of 749) to 8.2% (59 of 716). Of the 59 hips with noise, 26 (44.1%) developed noise within 1 year, whereas 13 (22.0%) presented with noise more than 5 years after THA. The noise was described as clicking in 35 hips (4.9%) and as squeaking in 24 hips (3.4%). No revision surgeries were performed for noise, except in 2 cases of concomitant liner fractures. The implant survivorship free of any revision was 98.1% at 12 years. CONCLUSIONS No additional ceramic fractures were identified in this extension study at a minimum follow-up of 10 years. However, the prevalence of articular noise has increased from 6.4 to 8.2% since the previous report. Possible late-onset noise should be considered when performing CoC THA in younger patients.
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Affiliation(s)
- Chan-Woo Park
- Department of Orthopedic Surgery, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, South Korea
| | - Sang-Jin Jeong
- Department of Orthopedic Surgery, Myongji hospital, Hanyang University School of Medicine, Goyang, South Korea
| | - Kyungjun Cho
- Department of Orthopedic Surgery, Osan Hankook Hospital, Osan, South Korea
| | - Si Yeon Kim
- Department of Orthopedic Surgery, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, South Korea
| | - Seung-Jae Lim
- Department of Orthopedic Surgery, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, South Korea
| | - Youn-Soo Park
- Department of Orthopedic Surgery, Kangbuk Samsung Hospital, Sungkyunkwan University School of Medicine, Seoul, South Korea
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Perka C, Mohaddes M, Zagra L, Ekkernkamp A, Keller N, Stengel D. May the 4th be with you: mixed-methods best-evidence synthesis on 4th-generation alumina-zirconia ceramic bearings in total hip arthroplasty. EFORT Open Rev 2024; 9:632-645. [PMID: 38949170 PMCID: PMC11297405 DOI: 10.1530/eor-23-0218] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 07/02/2024] Open
Abstract
Purpose To assess utility, benefits, and risks of 4th-generation alumina-zirconia ceramic pairings in elective total hip arthroplasty (THA). Methods A comprehensive mixed-methods best-evidence synthesis using data from systematic reviews, randomized controlled trials (RCTs), prospective and retrospective cohort studies, as well as joint replacement registries, was conducted to estimate overall revision and survival rates, periprosthetic infection, bearing fractures, and noise phenomena with 4th-generation alumina-zirconia ceramic versus other tribological couplings in elective THA. The systematic review part across multiple databases was registered with PROSPERO (CRD42023418076), and individual study data were extracted for statistical re-analysis. Results Twenty overlapping systematic reviews, 7, 17, and 8 references from RCTs, cohort studies, and joint replacement registries form the basis of this work. According to current best evidence, it is (i) 15-33 times more likely that 4th-generation alumina-zirconia pairings avoid a revision for infection than causing a revision for audible noise, (ii) 38-85 times more likely that 4th-generation alumina-zirconia pairings avoid a revision for infection than causing a revision for ceramic head fractures, and (iii) three to six times more likely that 4th-generation alumina-zirconia pairings avoid a revision for infection than cause a revision for ceramic liner fractures. Conclusion Fourth-generation alumina-zirconia pairings in THA show a favorable benefit-risk ratio, with rare compound-specific adverse events and complications significantly outbalanced by long-term advantages, such as a markedly lower incidence of revision for infection.
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Affiliation(s)
- Carsten Perka
- Center for Musculoskeletal Surgery, Charité Medical University Center, Berlin, Germany
| | - Maziar Mohaddes
- Hässleholms Hospital, Region Skåne, Hässleholm, Sweden
- Orthopedics, Faculty of Medicine, Department of Clinical Sciences, Lund University, Malmö, Sweden
| | - Luigi Zagra
- Hip Department, IRCCS Istituto Ortopedico Galeazzi, Milan, Italy
| | - Axel Ekkernkamp
- BG Klinikum Unfallkrankenhaus Berlin gGmbH, Berlin, Germany
- BG Kliniken – Klinikverbund der gesetzlichen Unfallversicherung gGmbH, Berlin, Germany
| | - Niklas Keller
- Harding Center for Risk Literacy, University of Potsdam, Faculty of Health Sciences, Potsdam, Germany
| | - Dirk Stengel
- BG Kliniken – Klinikverbund der gesetzlichen Unfallversicherung gGmbH, Berlin, Germany
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Alshammari MO, de Petrillo G, Epure LM, Huk OL, Zukor DJ, Antoniou J. Outcomes of Ceramic-On-Ceramic Bearing Total Hip Arthroplasty: A Minimum 10-Year Follow-Up Study. J Arthroplasty 2023; 38:S146-S151. [PMID: 37084924 DOI: 10.1016/j.arth.2023.04.018] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/04/2022] [Revised: 04/10/2023] [Accepted: 04/11/2023] [Indexed: 04/23/2023] Open
Abstract
BACKGROUND Although the fourth generation of ceramics has demonstrated excellent clinical results 5 to 6 years postoperatively, concerns over ceramic fracture and squeaking persist and longer-term follow-up (minimum 10 years) studies are warranted. Our study aimed to evaluate the minimum 10-year clinical outcomes and bearing-specific complications of ceramic-on-ceramic (CoC) total hip arthroplasties. METHODS We retrospectively evaluated all patients who underwent primary delta CoC total hip arthroplasty in our institution between January 2004 and February 2013. Demographics, surgical techniques, complications, patient-reported outcomes, and radiographic outcomes were collected and analyzed. For continuous variables, the comparison between groups was conducted using a one-way analysis of variance. Of all 235 patients included in the study, 70.5% were women (190 hips). The mean follow-up period was 12 years (range, 10 to 18). The femoral head sizes of 28- mm, 32 mm, and 36 mm were used in 50, 26, and 197 cases, respectively. Mean acetabular inclination and anteversion angles were 39.2 ± 7.1° and 14.9 ± 3.5°. RESULTS There were 5 hips revised at a mean 4.6 years (range, 0.1 to 7.1). One revision was squeaking-related. Squeaking was also reported by 8 other patients, but did not require revision. Other reasons for revision were early infection in 2 cases, stem loosening in 1 case, and stem fracture in 2 cases. The survival analysis for any causes for revision as an endpoint was 96.7% (95% confidence interval 0.313%-2.57%). CONCLUSION We report excellent mean 12-year follow-up results regarding the complications and survivorship of the fourth generation CoC bearings.
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Affiliation(s)
- Malek O Alshammari
- Department of Orthopaedics, Jewish General Hospital, McGill University, Montreal, Quebec, Canada
| | - Gianni de Petrillo
- Department of Orthopaedics, Jewish General Hospital, McGill University, Montreal, Quebec, Canada
| | - Laura M Epure
- Department of Orthopaedics, Jewish General Hospital, McGill University, Montreal, Quebec, Canada
| | - Olga L Huk
- Department of Orthopaedics, Jewish General Hospital, McGill University, Montreal, Quebec, Canada
| | - David J Zukor
- Department of Orthopaedics, Jewish General Hospital, McGill University, Montreal, Quebec, Canada
| | - John Antoniou
- Department of Orthopaedics, Jewish General Hospital, McGill University, Montreal, Quebec, Canada
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Mehran L, Honarvar M, Masoumi S, Khalili D, Amouzegar A, Azizi F. Weight fluctuation, mortality, and cardiovascular disease in adults in 18 years of follow-up: Tehran Lipid and Glucose Study. J Endocrinol Invest 2023; 46:37-49. [PMID: 35921037 DOI: 10.1007/s40618-022-01881-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/28/2022] [Accepted: 07/21/2022] [Indexed: 01/12/2023]
Abstract
PURPOSE Controversies exist in the effect of body weight loss and fluctuation on cardiovascular disease (CVD) and mortality. This study aims to assess the effect of weight variability on CVD and all-cause and cardiovascular mortality in the Tehran Lipid and Glucose Study (TLGS) cohort. METHOD Participants aged ≥ 40 year at the baseline period with at least 3 BMI measurements were included in this study. After excluding individuals with cancer, CVD, end-stage renal disease, systemic use of glucocorticoids, pregnancy, and missing covariates at the baseline, a total of 3461 participants were enrolled and followed for 18 years. BMI variability was defined using root mean squared error (RMSE) and average successive variability (ASV). In the RMSE method, BMI variability was calculated using the best-fitting model for BMI trend of each subject. Multivariate Cox proportional hazard models were applied to assess BMI variability's effect on CVD and mortality. RESULTS Among the 3461 participants in this study, the group with the highest weight variability had an increased risk of death for all-cause (HR 1.65; 95% CI 1.21-2.25), non-cardiovascular (HR 1.77; 95% CI 1.24-2.53), and non-cancer (HR 1.77; 95% CI 1.25-2.50) mortality. However, BMI variability showed to be protective against CVD (HR 0.76; 95% CI 0.6-0.97). These findings were significant in males, non-smokers, participants with age ≤ 60 year, BMI < 30, negative BMI slope, and both diabetic and non-diabetic subjects. CONCLUSION High BMI variability is associated with increased risk of all-cause, non-CVD, and non-cancer mortality, although protective for the CVD event. Appropriate strategies for body weight maintenance after weight loss could be adopted to avoid weight variability, particularly in non-obese subjects.
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Affiliation(s)
- L Mehran
- Endocrine Research Center, Research Institute for Endocrine Sciences, Shahid Beheshti University of Medical Sciences, No. 23, Parvaneh Street, Velenjak, P.O. Box: 19395-4763, Tehran, Islamic Republic of Iran
| | - M Honarvar
- Endocrine Research Center, Research Institute for Endocrine Sciences, Shahid Beheshti University of Medical Sciences, No. 23, Parvaneh Street, Velenjak, P.O. Box: 19395-4763, Tehran, Islamic Republic of Iran
| | - S Masoumi
- Endocrine Research Center, Research Institute for Endocrine Sciences, Shahid Beheshti University of Medical Sciences, No. 23, Parvaneh Street, Velenjak, P.O. Box: 19395-4763, Tehran, Islamic Republic of Iran
- Department of Biostatistics, Faculty of Medical Sciences, Tarbiat Modares University, Tehran, Islamic Republic of Iran
| | - D Khalili
- Prevention of Metabolic Disorders Research Center, Research Institute for Endocrine Sciences, Shahid Beheshti University of Medical Sciences, Tehran, Islamic Republic of Iran
- Department of Biostatistics and Epidemiology, Research Institute for Endocrine Sciences, Shahid Beheshti University of Medical Sciences, Tehran, Islamic Republic of Iran
| | - A Amouzegar
- Endocrine Research Center, Research Institute for Endocrine Sciences, Shahid Beheshti University of Medical Sciences, No. 23, Parvaneh Street, Velenjak, P.O. Box: 19395-4763, Tehran, Islamic Republic of Iran.
| | - F Azizi
- Endocrine Research Center, Research Institute for Endocrine Sciences, Shahid Beheshti University of Medical Sciences, No. 23, Parvaneh Street, Velenjak, P.O. Box: 19395-4763, Tehran, Islamic Republic of Iran
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Niu E, Fu J, Li H, Ni M, Hao L, Zhou Y, Xu C, Chen J. Primary Total Hip Arthroplasty with Ceramic-on-Ceramic Articulations: Analysis of a Single-center Series of 1,083 Hips at a Minimum of 10-Year Follow-Up. J Arthroplasty 2022:S0883-5403(22)01084-1. [PMID: 36529193 DOI: 10.1016/j.arth.2022.12.009] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/08/2022] [Revised: 12/05/2022] [Accepted: 12/12/2022] [Indexed: 12/23/2022] Open
Abstract
BACKGROUND There are limited long-term results of using ceramic-on-ceramic bearings (COC) in total hip arthroplasty (THA) in a large number of patient cohorts. The purpose of this study was to evaluate the minimum 10-year clinical and radiological outcomes and survivorship in a single surgeon series of CoC-THA. METHODS Among the 1,039 patients (1,391 hips) who underwent primary THA at our institution between 2008 and 2011, 49 patients (69 hips) experienced paralysis or death, and 194 patients (239 hips, 19%) were lost to follow-up. The remaining 796 patients (1,083 hips) were assessed at a mean of 11 years (range, 10 to 13 years) using the modified Harris hip score (mHHS), the Western Ontario and McMaster Universities Osteoarthritis Index (WOMAC), and a questionnaire on articular noises. Survival analysis was used to estimate the survivorship. Radiological evaluation was performed on 869 hips at the final follow-up. RESULTS Survivorship at 11 years was 98.3% for revision or aseptic loosening, and 98.2% for re-operation. At the final follow-up, the mean mHHS and WOMAC scores were 93 (range, 12 to 100) and 14.4 (range, 3 to 66), respectively. There were 131 (12%) hips experienced squeaking, but no patient required revision. No fracture of the ceramic was observed. Radiological evaluation at the final follow-up revealed that three (0.3%) hips exhibited loosening, two (0.2%) had femoral osteolysis, 81(9.3%) acquired radiolucencies, and 35 (4%) showed heterotopic ossification. CONCLUSION This ceramic-on-ceramic bearing for THA had a high survivorship and excellent functional outcomes for at least 10 years.
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Affiliation(s)
- Erlong Niu
- Medical School of Chinese PLA, Beijing, China; 305 Hospital of PLA, Beijing, China; Department of Orthopedics, the First Medical Center of Chinese PLA General Hospital, Beijing, China.
| | - Jun Fu
- Department of Orthopedics, the First Medical Center of Chinese PLA General Hospital, Beijing, 100853, China; Senior Department of Orthopedics, Fourth Medical Center of PLA General Hospital, Beijing, 100017, China.
| | - Hao Li
- Department of Orthopedics, the First Medical Center of Chinese PLA General Hospital, Beijing, 100853, China; Senior Department of Orthopedics, Fourth Medical Center of PLA General Hospital, Beijing, 100017, China.
| | - Ming Ni
- Department of Orthopedics, the First Medical Center of Chinese PLA General Hospital, Beijing, 100853, China; Senior Department of Orthopedics, Fourth Medical Center of PLA General Hospital, Beijing, 100017, China.
| | - Libo Hao
- Department of Orthopedics, the First Medical Center of Chinese PLA General Hospital, Beijing, 100853, China; Senior Department of Orthopedics, Fourth Medical Center of PLA General Hospital, Beijing, 100017, China.
| | - Yonggang Zhou
- Department of Orthopedics, the First Medical Center of Chinese PLA General Hospital, Beijing, 100853, China; Senior Department of Orthopedics, Fourth Medical Center of PLA General Hospital, Beijing, 100017, China.
| | - Chi Xu
- Department of Orthopedics, the First Medical Center of Chinese PLA General Hospital, Beijing, 100853, China; Senior Department of Orthopedics, Fourth Medical Center of PLA General Hospital, Beijing, 100017, China.
| | - Jiying Chen
- Department of Orthopedics, the First Medical Center of Chinese PLA General Hospital, Beijing, 100853, China; Senior Department of Orthopedics, Fourth Medical Center of PLA General Hospital, Beijing, 100017, China. %20
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Kuo YH, Chiu CC, Tseng LY, Wu CH, Chen MH, Fang YC, Tseng WC, Chen CH, Yeh SCJ, Shi HY. Long-Term Trends and Predictors of Medical Resource Utilization and Medical Outcomes in Inguinal Hernia Repair: A Nationwide Cohort Study. World J Surg 2021; 45:1771-1778. [PMID: 33660074 DOI: 10.1007/s00268-021-06012-8] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 02/07/2021] [Indexed: 02/07/2023]
Abstract
BACKGROUND Few studies have comprehensively and systematically analyzed nationwide samples. This study purposed to explore temporal trends and predictors of medical resource utilization and medical outcomes in these patients to obtain data that can be used to improve healthcare policies and to support clinical and administrative decision-making. METHODS This study used nationwide population data contained in the Longitudinal Health Insurance Database of Taiwan. The 14,970 inguinal hernia repair patients were enrolled in this study (age range, 18-100 years) from 1997 to 2013 in Taiwan. After temporal trends analysis of demographic characteristics, clinical characteristics, and institutional characteristics, predictors of postoperative medical resource utilization and medical outcomes were evaluated through multiple linear regression analysis and Cox regression analysis. RESULTS The prevalence of inguinal hernia repair per 100,000 population significantly decreased from 195.38 in 1997 to 39.66 in 2013 (p < 0.05). Demographic characteristics, clinical characteristics, and institutional characteristics were significantly associated with postoperative medical resource utilization and medical outcomes (p < 0.05). Of these characteristics, both surgeon volume and hospital volume had the strongest association. CONCLUSIONS The inguinal hernia repair prevalence rate gradually decreased during the study period. Demographic characteristics, clinical characteristics, and institutional characteristics had strong associations with postoperative medical resource utilization and medical outcomes. Furthermore, hospital volume and surgeon volume had the strongest associations with postoperative medical resource utilization and medical outcomes. Additionally, providing the education needed to make the most advantageous medical decisions would be a great service not only to patients and their families, but also to the general population.
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Affiliation(s)
- Yi-Hung Kuo
- Department of Nursing, Meiho University, Pingtung, Taiwan
| | - Chong-Chi Chiu
- Department of General Surgery and Medical Research Department, E-Da Cancer Hospital, Kaohsiung, Taiwan
- School of Medicine, College of Medicine, I-Shou University, Kaohsiung, Taiwan
| | - Li-Ya Tseng
- Department of Anesthesiology, Kaohsiung Veterans General Hospital, Kaohsiung, Taiwan
| | - Chien-Hung Wu
- Department of Emergency Medicine, Yunlin Chang Gung Memorial Hospital, Chang Gung University College of Medicine, Yunlin, Taiwan
| | - Min Hui Chen
- Kaohsiung Chang Gung Memorial Hospital, Kaohsiung, Taiwan
| | - Yu-Chao Fang
- Department of Nursing, Kaohsiung Chang Gung Memorial Hospital, Kaohsiung, Taiwan
| | - Wei-Chi Tseng
- Department of Nursing, Kaohsiung Veterans General Hospital, Kaohsiung, Taiwan
| | - Chun-Hsiang Chen
- Department of Nursing, Kaohsiung Chang Gung Memorial Hospital, Kaohsiung, Taiwan
| | - Shu-Chuan Jennifer Yeh
- Department of Healthcare Administration and Medical Informatics, Kaohsiung Medical University, 100, Shih-Chuan 1st Road, Kaohsiung, 80708, Taiwan
- Department of Business Management, National Sun Yat-Sen University, Kaohsiung, Taiwan
| | - Hon-Yi Shi
- Department of Healthcare Administration and Medical Informatics, Kaohsiung Medical University, 100, Shih-Chuan 1st Road, Kaohsiung, 80708, Taiwan.
- Department of Business Management, National Sun Yat-Sen University, Kaohsiung, Taiwan.
- Department of Medical Research, Kaohsiung Medical University Hospital, Kaohsiung, Taiwan.
- Department of Medical Research, China Medical University Hospital, China Medical University, Taichung, Taiwan.
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Chatelet JC, Fessy MH, Saffarini M, Machenaud A, Jacquot L. Articular Noise After THA Using Delta CoC Bearings Has Little Impact on Quality of Life. J Arthroplasty 2021; 36:1678-1687. [PMID: 33293173 DOI: 10.1016/j.arth.2020.11.012] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/31/2020] [Revised: 10/30/2020] [Accepted: 11/06/2020] [Indexed: 02/02/2023] Open
Abstract
BACKGROUND To report clinical outcomes and survival at a minimum of 10 years of a consecutive series of uncemented total hip arthroplasty (THA) with fourth-generation ceramic-on-ceramic (CoC) bearings and determine the incidence of articular noises, their risk factors, and impact on quality of life (QoL). METHODS From a series of 456 CoC THAs, there were 25 revisions, 38 deceased, and 36 lost to follow-up. The remaining 357 hips were assessed at 11.1 ± 0.7 years (range, 10-14) using the Forgotten Joint Score, Oxford Hip Score, and a questionnaire on articular noises. Kaplan-Meier survival was calculated, and multivariable analysis was performed to determine associations between articular noise and patient/surgical factors. RESULTS The 10-year survival was 96.3% for the cup, 96.5% for the stem, and 94.2% for all components. The Forgotten Joint Score was 79 ± 26 (range, 0-100), and Oxford Hip Score was 16 ± 7 (range, 12-60). The mean impact of articular noises on QoL was 1.8 ± 2.9 (range, 0-9): considered negligible in 60 hips (16%), moderate in 27 hips (7%), and severe in only 13 hips (4%). Multivariable analyses revealed that the incidence of articular noise decreased with age (odds ratio [OR], 0.94; P = .001), body mass index (OR, 0.85; P = .001), and in hips implanted with 32-mm (vs 36 mm) heads (OR, 0.18; P = .030). CONCLUSION Of 100 hips (28%) that reported some articular noises 10 years after CoC THA, the impact of articular noises on QoL was negligible for most patients. Although larger heads can improve mobility and reduce risks of dislocations, surgeons must be aware that increasing head size could also increase risks of articular noises, notably in young and active patients.
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Affiliation(s)
- Jean-Christophe Chatelet
- Centre de Chirurgie Orthopédique du Beaujolais, Ramsay Santé, Arnas, France; Artro Institute, Lyon, France
| | - Michel-Henri Fessy
- Artro Institute, Lyon, France; Hospices Civils de Lyon, Centre Hospitalier Lyon-Sud, Service de Chirurgie Orthopédique et Traumatologique, Pierre-Bénite Cedex, France; IFSTTAR, Laboratoire de Biomécanique et Mécanique des Chocs, Bron, France
| | | | - Alain Machenaud
- Artro Institute, Lyon, France; Department of Orthopaedic Surgery, Clinique d'Argonay, Ramsay Santé, Annecy, France
| | | | - Laurent Jacquot
- Artro Institute, Lyon, France; Department of Orthopaedic Surgery, Clinique d'Argonay, Ramsay Santé, Annecy, France
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Abstract
BACKGROUND Obesity has been proven to be a risk factor for type 2 diabetes mellitus (T2DM) through numerous pathogenetic mechanisms. Unexpectedly, some studies suggest that subjects with overweight/obesity and T2DM have better clinical outcome than their normal weight peers. This finding is described as "obesity paradox" and calls into question the importance of weight loss in this specific population. OBJECTIVE This article is a narrative overview on the obesity and type 2 diabetes mellitus, particularly regarding the obesity paradox in T2DM patients. METHODS We used as sources MEDLINE/PubMed, CINAHL, EMBASE, and Cochrane Library, from inception to March 2020; we chose 30 relevant papers regarding the association of obesity with clinical outcome and mortality of patients affected by T2DM. RESULTS Many studies report that in patients with T2DM, overweight and obesity are associated with a better prognosis than underweight or normal weight, suggesting the presence of an obesity paradox. However, these studies have numerous limitations due to their mainly retrospective nature and to numerous confounding factors, such as associated pathologies, antidiabetic treatments, smoking habit, lack of data about distribution of body fat or weight history. CONCLUSION Literature data regarding the phenomenon of obesity paradox in T2DM patients are controversial due to the several limitations of the studies; therefore in the management of patients with overweight/obesity and T2DM is recommended referring to the established guidelines, which indicate diet and physical activity as the cornerstone of the treatment. LEVEL OF EVIDENCE Level V: narrative review.
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Davis ET, Remes V, Virolainen P, Gebuhr P, Van Backlé B, Revell MP, Kopjar B. Mid-term outcomes of the R3™ delta ceramic acetabular system in total hip arthroplasty. J Orthop Surg Res 2021; 16:35. [PMID: 33422084 PMCID: PMC7797157 DOI: 10.1186/s13018-020-02192-6] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/08/2020] [Accepted: 12/28/2020] [Indexed: 11/10/2022] Open
Abstract
Background Whilst bony fixation of hip replacement has stable solutions, there remains controversy over which bearing best optimizes longevity and function. Ceramic-on-ceramic (CoC) bearing combinations are associated with lower risk of revision due to aseptic loosening and dislocation. Evidence for long-term functional outcomes of modern, 4th generation CoC bearings is limited. The aim of this study was to analyze outcomes and complications of the R3™ Acetabular System (Smith & Nephew, Inc., Cordova, TN, USA) in combination with BIOLOX® Delta ceramic femoral head in patients undergoing primary total hip arthroplasty (THA). Methods Between June 2009 and May 2011, 175 patients (178 hips) were enrolled into a prospective, study at 6 sites in Europe and prospectively followed-up at 3 months and 1, 3, 5, and 7 years postoperative. Results Total WOMAC score improved from 63 (range, 22–91) preoperative to 8 (range, 0–8) at 1-year follow-up and remained unchanged at 7-year follow-up. Modified Harris hip score improved from 45 (range, 10–87) preoperative to 83 (range, 25–100) at 3 months, 91 (range, 42–100) at 1 year, and 92 (range, 46, 100) at 7 years. UCLA Activity Rating Scale score improved from 3.3 (range, 1–8) preoperative to 6.2 (range, 2–8) at 1 year; it marginally declined to 5.8 (range, 3–8) at 7-year follow-up. There were 4 trochanteric fractures and 5 patients died of unrelated reasons. Three hips were revised (2 periprosthetic fractures and 1 subluxation). The 7-year cumulative survival rate was 98.3%. Conclusion Clinical and functional improvements of THA with CoC bearing are maintained at 7 years postoperative. Trial registration ClinicalTrials.Gov, NCT03566082, Registered 10 January 2018—retrospectively registered,
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Affiliation(s)
- Edward T Davis
- The Royal Orthopaedic Hospital, NHS Foundation Trust, Bristol Road South, Northfield, Birmingham, B31 2AP, UK.
| | - Ville Remes
- Department of Orthopedics, HUS Peijaksen sairaala, P.O. Box 900, 00029 HUS, Vantaa, Finland
| | - Petri Virolainen
- Turku University Hospital, Kiinamyllynkatu 4-8, P.O Box 52, 20521, Turku, Finland
| | - Peter Gebuhr
- Orthopaedic Surgeon, Department of Orthopaedics, Hvidovre University Hospital, Copenhagen, Denmark
| | - Bart Van Backlé
- AZ Nikolaas, Sint Niklaas, Regentiestraat, 60, 9100, Sint Niklaas, Belgium
| | - Matthew P Revell
- The Royal Orthopaedic Hospital, NHS Foundation Trust, Bristol Road South, Northfield, Birmingham, B31 2AP, UK
| | - Branko Kopjar
- Department of Health Services, University of Washington, H690C, Health Sciences Building, P.O. Box 357660, Seattle, WA, 98195-7660, USA
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Abstract
The femoral head size influences dislocation, range of motion (ROM), functional outcome, wear, and survival after total hip arthroplasty (THA). These aspects of different head sizes with contemporary bearings in primary THA have been reviewed. Based on the existing evidence, for highly-cross-linked polyethylene (HXLPE) bearings, a 32 mm cobalt chromium (CoCr) or ceramic head appears to be a suitable choice. If a 36 mm head with HXLPE is desired, a ceramic head may be preferable over CoCr due to reduced risk of fretting and corrosion with the former. For ceramic-on-ceramic (CoC) bearings, head sizes >36 mm do not appear to provide any significant benefit over 36 mm heads. Also, large ceramic heads may lead to increased risk of squeaking. If non-cross-linked PE bearing is considered for use, it would be prudent to opt for <32 mm head size.
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Affiliation(s)
- Siddharth M Shah
- S L Raheja (A Fortis Associate) hospital, Mahim West, Mumbai, India
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Yoon BH, Park JW, Cha YH, Won SH, Lee YK, Ha YC, Koo KH. Incidence of Ceramic Fracture in Contemporary Ceramic-on-Ceramic Total Hip Arthroplasty: A Meta-analysis of Proportions. J Arthroplasty 2020; 35:1437-1443.e3. [PMID: 31902618 DOI: 10.1016/j.arth.2019.12.013] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/12/2019] [Revised: 12/02/2019] [Accepted: 12/09/2019] [Indexed: 02/01/2023] Open
Abstract
BACKGROUND We performed a proportion meta-analysis of currently available data to determine the prevalence of ceramic fracture for each generation. METHODS A total of 10,571 total hip arthroplasties from 45 studies were included. Proportion meta-analysis with a random-effects model was performed to estimate the prevalence of ceramic fracture. To determine whether the ceramic fractures have a fatigue nature and a risk or latent period for the development, postoperative time lapse, patient age, and body mass index were related with ceramic fracture by metaregression analysis. RESULTS As of postoperative 2.0 to 18.8 years, the rate of ceramic fracture was 0.5% (95% CI, 0.3%-0.8%) in the forte group and 0.2% (95% CI, 0.1%-0.4%) in the delta group (P = .059). The ceramic fracture rate for each component was 0.2% (95% CI, 0.1%-0.3%) for the forte head, 0.1% (95% CI, 0.0%-0.2%) for the delta head (P = .210), 0.2% (95% CI, 0.1%-0.3%) for the forte liner, and 0.2% (95% CI, 0.1%-0.4%) for the delta liner (P = .305). The rate of ceramic fracture per 1000 patient-years was 0.9 (95% CI, 0.5-0.13) in the forte group and 0.5 (95% CI, 0.2-0.8) in the delta group (P = .072). In metaregression analysis, no significant associations were found between prevalence of ceramic fracture and postoperative time lapse, patient age, or body mass index. CONCLUSIONS The rate of ceramic fracture was 0.9/1000 patient-year in the forte group and 0.5/1000 patient-year in the delta group. The results of this study provide baseline data for further studies validating ceramic bearings. LEVEL OF EVIDENCE Level I, meta-analysis.
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Affiliation(s)
- Byung-Ho Yoon
- Department of Orthopaedic Surgery, Inje University College of Medicine, Seoul Paik Hospital, Seoul, South Korea
| | - Jung-Wee Park
- Department of Orthopaedic Surgery, Seoul National University Bundang Hospital, Seongnam, South Korea
| | - Yong-Han Cha
- Department of Orthopaedic Surgery, Eulji University College of Medicine, Seoul, South Korea
| | - Suk-Hyung Won
- Department of Orthopaedic Surgery, Seoul National University Bundang Hospital, Seongnam, South Korea
| | - Young-Kyun Lee
- Department of Orthopaedic Surgery, Seoul National University Bundang Hospital, Seongnam, South Korea
| | - Yong-Chan Ha
- Department of Orthopaedic Surgery, Chung-Ang University College of Medicine, Seoul, South Korea
| | - Kyung-Hoi Koo
- Department of Orthopaedic Surgery, Seoul National University College of Medicine, Seoul National University Bundang Hospital, Seongnam, South Korea
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