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Li Y, Cao L. Management of Severe Bone Defects in Femoral Revision following Total Hip Arthroplasty. Hip Pelvis 2024; 36:101-107. [PMID: 38825819 PMCID: PMC11162874 DOI: 10.5371/hp.2024.36.2.101] [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: 07/17/2023] [Revised: 08/08/2023] [Accepted: 08/09/2023] [Indexed: 06/04/2024] Open
Abstract
Treatment of femoral bone defects continues to be a challenge in revision total hip arthroplasty (THA); therefore, meticulous preoperative evaluation of patients and surgical planning are required. This review provides a concise synopsis of the etiology, classification, treatment strategy, and prosthesis selection in relation to femoral bone loss in revision THA. A search of literature was conducted for identification of research articles related to classification of bone loss, management of femoral revision, and comparison of different types of stems. Findings of a thorough review of the included articles were as follows: (1) the Paprosky classification system is used most often when defining femoral bone loss, (2) a primary-length fully coated monoblock femoral component is recommended for treatment of types I or II bone defects, (3) use of an extensively porouscoated stem and a modular fluted tapered stem is recommended for management of types III or IV bone defects, and (4) use of an impaction grafting technique is another option for improvement of bone stock, and allograft prosthesis composite and proximal femoral replacement can be applied by experienced surgeons, in selected cases, as a final salvage solution. Stems with a tapered design are gradually replacing components with a cylindrical design as the first choice for femoral revision; however, further confirmation regarding the advantages and disadvantages of modular and nonmodular stems will be required through conduct of higher-level comparative studies.
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Affiliation(s)
- Yicheng Li
- Department of Orthopaedics, First Affiliated Hospital of Xinjiang Medical University, Urumqi, China
| | - Li Cao
- Department of Orthopaedics, First Affiliated Hospital of Xinjiang Medical University, Urumqi, China
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Murphy MP, Boubekri AM, Eikani CK, Brown NM. Inpatient Hospital Costs, Emergency Department Visits, and Readmissions for Revision Hip and Knee Arthroplasty. J Arthroplasty 2024:S0883-5403(24)00355-3. [PMID: 38640968 DOI: 10.1016/j.arth.2024.04.032] [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: 02/27/2024] [Revised: 04/07/2024] [Accepted: 04/10/2024] [Indexed: 04/21/2024] Open
Abstract
BACKGROUND Revision total hip arthroplasty (THA) and total knee arthroplasty (TKA) tremendously burden hospital resources. This study evaluated factors influencing perioperative costs, including emergency department (ED) visits, readmissions, and total costs-of-care within 90 days following revision surgery. METHODS A retrospective analysis of 772 revision TKAs and THAs performed on 630 subjects at a single center between January 2007 and December 2019 was conducted. Cost data were available from January 2015 to December 2019 for 277 patients. Factors examined included comorbidities, demographic information, preoperative Anesthesia Society of Anesthesiologists score, implant selection, and operative indication using mixed-effects linear regression models. RESULTS Among 772 revisions (425 THAs and 347 TKAs), 213 patients required an ED visit, and 90 required hospital readmission within 90 days. There were 22.6% of patients who underwent a second procedure after their initial revision. Liver disease was a significant predictor of ED readmission for THA patients (multivariable odds ratio [OR]: 3.473, P = .001), while aseptic loosening, osteolysis, or instability significantly reduced the odds of readmission for TKA patients (OR: 0.368, P = .014). In terms of ED visits, liver disease increased the odds for THA patients (OR: 1.845, P = .100), and aseptic loosening, osteolysis, or instability decreased the odds for TKA patients (OR: 0.223, P < .001). Increased age was associated with increased costs in both THA and TKA patients, with significant cost factors including congestive heart failure for TKA patients (OR: $7,308.17, P = .004) and kidney disease for THA patients. Revision surgeries took longer than primary ones, with TKA averaging 3.0 hours (1.6 times longer) and THA 2.8 hours (1.5 times longer). CONCLUSIONS Liver disease increases ED readmission risk in revision THA, while aseptic loosening, osteolysis, or instability decreases it in revision TKA. Increased age and congestive heart failure are associated with increased costs. These findings inform postoperative care and resource allocation in revision arthroplasty. LEVEL OF EVIDENCE Economic and Decision Analysis, Level IV.
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Affiliation(s)
- Michael P Murphy
- Department of Orthopaedic Surgery and Rehabilitation, Loyola University Medical Center, Maywood, Illinois
| | - Amir M Boubekri
- Department of Orthopaedic Surgery and Rehabilitation, Loyola University Medical Center, Maywood, Illinois
| | - Carlo K Eikani
- Department of Orthopaedic Surgery and Rehabilitation, Loyola University Medical Center, Maywood, Illinois
| | - Nicholas M Brown
- Department of Orthopaedic Surgery and Rehabilitation, Loyola University Medical Center, Maywood, Illinois
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Deans CF, Hulsman LA, Ziemba-Davis M, Meneghini RM, Buller LT. Medicaid Patients Travel Disproportionately Farther for Revision Total Joint Arthroplasty. J Arthroplasty 2024; 39:32-37. [PMID: 37549756 DOI: 10.1016/j.arth.2023.08.001] [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: 09/22/2022] [Revised: 07/29/2023] [Accepted: 08/01/2023] [Indexed: 08/09/2023] Open
Abstract
BACKGROUND Access to high-quality care for revision total joint arthroplasty (rTJA) is poorly understood but may vary based on insurance type. This study investigated distance traveled for hip and knee rTJA based on insurance type. METHODS A total of 317 revision hips and 431 revision knees performed between 2010 and 2020 were retrospectively reviewed. Cluster sampling was used to select primary hips and knees for comparison. Median driving distance was compared based upon procedure and insurance type. RESULTS Revision hip and knee patients traveled 18.2 and 11.0 miles farther for surgery compared to primary hip and knee patients (P ≤ .001). For hip rTJA, Medicaid patients traveled farther than Medicare patients followed by commercially insured patients with median distances traveled of 98.4, 67.2, and 35.6 miles, respectively (P = .016). Primary hip patients traveled the same distance regardless of insurance type (P = .397). For knee rTJA, Medicaid patients traveled twice as far as Medicare and commercially insured patients (medians of 85.0, 43.5, and 42.2 miles respectively, P ≤ .046). Primary knee patients showed a similar pattern (P = .264). Age and ASA-PS classification did not indicate greater comorbidity in Medicaid patients. CONCLUSION Insurance type may influence rTJA referrals, with disproportionate referral of Medicaid and Medicare patients to nonlocal care centers. In addition to patient burden, these patterns potentially present a financial burden to facilities accepting referrals. Strategies to improve equitable access to rTJA, while maintaining the highest and most economical standards of care for patients, providers, and hospitals, are encouraged.
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Affiliation(s)
- Christopher F Deans
- Department of Orthopaedic Surgery, University of Nebraska Medical Center, Omaha, Nebraska
| | - Luci A Hulsman
- Department of Graduate Medical Education, Indiana University School of Medicine, Indianapolis, Indiana
| | - Mary Ziemba-Davis
- Indiana University Health Hip & Knee Center, Saxony Hospital, Fishers, Indiana
| | - R Michael Meneghini
- Department of Orthopaedic Surgery, Indiana University School of Medicine, Indianapolis, Indiana
| | - Leonard T Buller
- Indiana University Health Hip & Knee Center, Saxony Hospital, Fishers, Indiana; Department of Orthopaedic Surgery, Indiana University School of Medicine, Indianapolis, Indiana
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Owens MA, Mun CJ, Hamilton KR, Hughes A, Campbell CM, Edwards RR, Smith MT. Presurgical sleep and pain behaviors predict insomnia symptoms and pain after total knee arthroplasty: a 12-month longitudinal, observational study. PAIN MEDICINE (MALDEN, MASS.) 2023; 24:1224-1233. [PMID: 37578438 PMCID: PMC10628977 DOI: 10.1093/pm/pnad106] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/14/2022] [Revised: 05/31/2023] [Accepted: 06/06/2023] [Indexed: 08/15/2023]
Abstract
OBJECTIVE Up to 40% of individuals who undergo total knee arthroplasty (TKA) experience some degree of pain following surgery. Presurgical insomnia has been identified as a predictor of postsurgical pain; however, modifiable presurgical behaviors related to insomnia have received minimal attention. The objective of the present study was to develop a 2-item sleep and pain behavior scale (SP2) to investigate a maladaptive sleep and pain behavior and is a secondary analysis of a larger, parent study. METHODS Patients (N = 109) completed SP2 at baseline and 12 months and questionnaires assessing sleep and pain at baseline (pre-TKA), 6 weeks, 3, 6, and 12 months post-TKA. SP2 demonstrated adequate preliminary psychometric properties. RESULTS As hypothesized, even after controlling for baseline insomnia, pain, anxiety and other covariates, baseline SP2 predicted insomnia symptom severity at 6 weeks (β = 2.828), 3 (β = 2.140), 6 (β = 2.962), and 12 months (β = 1.835) and pain at 6 weeks (β = 6.722), 3 (β = 5.536), and 6 months (β = 7.677) post-TKA (P < .05). Insomnia symptoms at 6-weeks post-TKA mediated the effect of presurgical SP2 on pain at 3 (95% CI: 0.024-7.054), 6 (95%CI: 0.495-5.243), and 12 months (95% CI: 0.077-2.684). CONCLUSIONS This provides preliminary evidence that patients who cope with pain by retiring to their bed and bedroom have higher rates of post-surgical insomnia and pain and supports efforts to target this maladaptive sleep and pain behavior to reduce postsurgical pain.
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Affiliation(s)
- Michael A Owens
- Department of Psychiatry and Behavioral Sciences, Johns Hopkins University School of Medicine, Baltimore, MD 21224, United States
| | - Chung Jung Mun
- Department of Psychiatry and Behavioral Sciences, Johns Hopkins University School of Medicine, Baltimore, MD 21224, United States
- Edson College of Nursing and Health Innovation, Arizona State University, Phoenix, AZ 85004, United States
| | - Katrina R Hamilton
- Department of Psychiatry and Behavioral Sciences, Johns Hopkins University School of Medicine, Baltimore, MD 21224, United States
| | - Abbey Hughes
- Department of Psychiatry and Behavioral Sciences, Johns Hopkins University School of Medicine, Baltimore, MD 21224, United States
| | - Claudia M Campbell
- Department of Psychiatry and Behavioral Sciences, Johns Hopkins University School of Medicine, Baltimore, MD 21224, United States
| | | | - Michael T Smith
- Department of Psychiatry and Behavioral Sciences, Johns Hopkins University School of Medicine, Baltimore, MD 21224, United States
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Salimy MS, Blackburn AZ, Alpaugh K, Lozano-Calderón SA, Bedair HS, Melnic CM. Postoperative Outcomes in Total Hip and Total Knee Arthroplasty for Patients Who Have Multiple Myeloma. J Arthroplasty 2023; 38:2269-2274. [PMID: 37211290 DOI: 10.1016/j.arth.2023.05.019] [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: 12/01/2022] [Revised: 05/09/2023] [Accepted: 05/11/2023] [Indexed: 05/23/2023] Open
Abstract
BACKGROUND Advancements in oncologic care have increased the longevity of patients who have multiple myeloma, although outcomes beyond the early postoperative period following total hip arthroplasty (THA) and total knee arthroplasty (TKA) remain unknown. This study investigated the influence of preoperative factors on implant survivorship following THA and TKA after a minimum 1-year interval for multiple myeloma patients. METHODS Using our institutional database, we identified 104 patients (78 THAs, 26 TKAs) from 2000 to 2021 diagnosed with multiple myeloma before their index arthroplasty by International Classification of Diseases, Ninth and Tenth Revisions (ICD-9 and ICD-10) codes 203.0× and C90.0× and corresponding Current Procedural Terminology (CPT) codes. Demographic data, oncologic treatments, and operative variables were collected. Multivariate logistic regressions assessed variables of interest, and Kaplan-Meier curves were used to estimate implant survival. RESULTS There were 9 (11.5%) patients who underwent revision THA after an average time of 1,312 days (range, 14 to 5,763), with infection (33.3%), periprosthetic fracture (22.2%), and instability (22.2%) being the most common indications. Of these patients, 3 (33.3%) underwent multiple revision surgeries. There was 1 (3.8%) patient who underwent revision TKA at 74 days postoperatively for infection. Patients treated with radiotherapy were more likely to require revision THA (odds Rratio (OR): 6.551, 95% confidence interval (CI): 1.148-53.365, P = .045), but no predictors of failure were identified for TKA patients. CONCLUSION Orthopaedic surgeons should know that multiple myeloma patients have a relatively high risk of revision, particularly following THA. Accordingly, patients who have risk factors for failure should be identified preoperatively to avoid poor outcomes. LEVEL OF EVIDENCE Level III, retrospective comparative study.
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Affiliation(s)
- Mehdi S Salimy
- Department of Orthopaedic Surgery, Massachusetts General Hospital, Harvard Medical School, Boston, Massachusetts
| | - Amy Z Blackburn
- Department of Orthopaedic Surgery, Newton-Wellesley Hospital, Newton, Massachusetts
| | - Kyle Alpaugh
- Department of Orthopaedic Surgery, Massachusetts General Hospital, Harvard Medical School, Boston, Massachusetts; Department of Orthopaedic Surgery, Newton-Wellesley Hospital, Newton, Massachusetts
| | - Santiago A Lozano-Calderón
- Department of Orthopaedic Surgery, Massachusetts General Hospital, Harvard Medical School, Boston, Massachusetts
| | - Hany S Bedair
- Department of Orthopaedic Surgery, Massachusetts General Hospital, Harvard Medical School, Boston, Massachusetts; Department of Orthopaedic Surgery, Newton-Wellesley Hospital, Newton, Massachusetts
| | - Christopher M Melnic
- Department of Orthopaedic Surgery, Massachusetts General Hospital, Harvard Medical School, Boston, Massachusetts; Department of Orthopaedic Surgery, Newton-Wellesley Hospital, Newton, Massachusetts
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Chee A, Çeliker P, Basedow K, Islam M, Baksh N, Shah NV, Eldib AM, Eldib H, Diebo BG, Naziri Q. A call to "own the bone": osteoporosis is a predictor for adverse two-year outcomes following total hip and knee arthroplasty. EUROPEAN JOURNAL OF ORTHOPAEDIC SURGERY & TRAUMATOLOGY : ORTHOPEDIE TRAUMATOLOGIE 2023; 33:2889-2894. [PMID: 36894707 DOI: 10.1007/s00590-023-03499-w] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/25/2022] [Accepted: 02/05/2023] [Indexed: 03/11/2023]
Abstract
PURPOSE While bone health is instrumental in orthopedic surgery, few studies have described the long-term outcomes of osteoporosis (OP) in patients undergoing total hip (THA) or knee (TKA) arthroplasties. METHODS Using the New York State statewide planning and research cooperative system database, all patients who underwent primary TKA or THA for osteoarthritis from 2009 to 2011 with minimum 2-year follow-up were identified. They were divided based on their OP status (OP and non-OP) and 1:1 propensity score matched for age, sex, race, and Charlson/Deyo index. Cohorts were compared for demographics, hospital-related parameters, and 2-year postoperative complications and reoperations. Multivariate binary logistic regression was utilized to identify significant independent associations with 2-year medical and surgical complications and revisions. RESULTS A total of 11,288 TKA and 8248 THA patients were identified. OP and non-OP TKA patients incurred comparable overall hospital charges for their surgical visit and hospital length of stay (LOS) (both, p ≥ 0.125). Though OP and non-OP THA patients incurred similar mean hospital charges for their surgical visit, they experienced longer hospital LOS (4.3 vs. 4.1 days, p = 0.035). For both TKA and THA, OP patients had higher rates of overall and individual medical and surgical complications (all, p < 0.05). OP was independently associated with the 2-year occurrence of any overall, surgical, and medical complications, and any revision in TKA and THA patients (all, OR ≥ 1.42, p < 0.001). CONCLUSION Our study found OP was associated with a greater risk of 2-year adverse outcomes following TKA or THA, including medical, surgical, and overall complications as well as revision operations compared to non-OP patients.
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Affiliation(s)
- Alexander Chee
- Department of Orthopaedic Surgery and Rehabilitation Medicine, The State University of New York Downstate Health Sciences University, 450 Clarkson Ave, MSC 30, Brooklyn, NY, 11203, USA
| | - Pelin Çeliker
- Department of Orthopaedic Surgery and Rehabilitation Medicine, The State University of New York Downstate Health Sciences University, 450 Clarkson Ave, MSC 30, Brooklyn, NY, 11203, USA
| | - Kayla Basedow
- Department of Orthopaedic Surgery and Rehabilitation Medicine, The State University of New York Downstate Health Sciences University, 450 Clarkson Ave, MSC 30, Brooklyn, NY, 11203, USA
| | - Mahee Islam
- Department of Orthopaedic Surgery and Rehabilitation Medicine, The State University of New York Downstate Health Sciences University, 450 Clarkson Ave, MSC 30, Brooklyn, NY, 11203, USA
| | - Nayeem Baksh
- Department of Orthopaedic Surgery and Rehabilitation Medicine, The State University of New York Downstate Health Sciences University, 450 Clarkson Ave, MSC 30, Brooklyn, NY, 11203, USA
| | - Neil V Shah
- Department of Orthopaedic Surgery and Rehabilitation Medicine, The State University of New York Downstate Health Sciences University, 450 Clarkson Ave, MSC 30, Brooklyn, NY, 11203, USA
| | - Ahmed M Eldib
- Department of Orthopaedic Surgery and Rehabilitation Medicine, The State University of New York Downstate Health Sciences University, 450 Clarkson Ave, MSC 30, Brooklyn, NY, 11203, USA
| | - Hassan Eldib
- Department of Orthopaedic Surgery and Rehabilitation Medicine, The State University of New York Downstate Health Sciences University, 450 Clarkson Ave, MSC 30, Brooklyn, NY, 11203, USA
| | - Bassel G Diebo
- Department of Orthopaedic Surgery and Rehabilitation Medicine, The State University of New York Downstate Health Sciences University, 450 Clarkson Ave, MSC 30, Brooklyn, NY, 11203, USA
- Department of Orthopaedic Surgery, Warren Alpert School of Medicine, Brown University, Providence, RI, USA
| | - Qais Naziri
- Department of Orthopaedic Surgery and Rehabilitation Medicine, The State University of New York Downstate Health Sciences University, 450 Clarkson Ave, MSC 30, Brooklyn, NY, 11203, USA.
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Moldovan F, Moldovan L, Bataga T. A Comprehensive Research on the Prevalence and Evolution Trend of Orthopedic Surgeries in Romania. Healthcare (Basel) 2023; 11:1866. [PMID: 37444700 DOI: 10.3390/healthcare11131866] [Citation(s) in RCA: 8] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/09/2023] [Revised: 06/03/2023] [Accepted: 06/25/2023] [Indexed: 07/15/2023] Open
Abstract
Accurate knowledge of the prevalence and trends of orthopedic surgeries can facilitate the design of medical plans for effective treatments. The National Endoprosthetic Registry (NER) in Romania provides statistics on endoprosthetic activity (hip, knee), cases of fractures and bone tumors as a result of the legal obligations to report interventions performed by all orthopedic traumatology hospitals/wards in the country. The aim of this study is to describe the annual volumes of orthopedic surgeries between 2001 and 2022 in Romania and analyze the current and future evolution trends of the studied surgeries, gender differences and regional differences based on a complete survey carried out at a national level. For the period 2001-2022, we extracted from the NER the annual volumes of orthopedic interventions performed. With these data, we studied the prevalence and estimated, with the support of an original calculation methodology, the variation trends of orthopedic surgeries in two situations: over the entire 21-year period, respectively, and over the period 2001-2020, which does not include the pandemic period. For hip replacement surgery and knee replacement surgery, we showed the prevalence by subcategory of interventions, gender distribution, regional prevalence and regional density calculated by the annual averages of the total number of cases reported per 100,000 people in the 40 counties of the country and the capital, Bucharest. We also determined the variations in hip and knee arthroplasty revision burdens, calculated as a percentage between the number of revisions and the number of primary interventions in the same period. We determined the regional densities of revision burdens. The total number of orthopedic surgeries in the period 2001-2022 was 1,557,247, of which 189,881 were hip replacement surgeries; 51,035 were knee replacement surgeries; 11,085 were revision hip arthroplasty; 1497 were revision knee arthroplasty; 541,440 were operated fractures; and 16,418 were operated bone tumors. The growth rates of surgical interventions are hip replacement surgery, +8.19%; knee replacement surgery, +19.55%; revision hip arthroplasty, +9.43%; and revision knee arthroplasty, +28.57%. With these data, we have estimated a doubling of the volume of primary and revision interventions of the hip until 2034 and the knee until 2027, respectively. Operated bone tumors register an annual decrease of -4.52% thanks to modern treatments. There are clear gender differences; for primary hip interventions, the proportion of women is 58.82%, and for knee interventions, the proportion of women is 76.42%. This is the first research that, with the support of exhaustive data from the NER, analyzes for the period 2001-2022 the annual number of orthopedic surgeries in Romania. It allows knowledge of the large, anticipated increases in orthopedic surgery and provides a quantitative basis for future policy decisions related to the need for medical personnel and material resources.
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Affiliation(s)
- Flaviu Moldovan
- Orthopedics-Traumatology Department, Faculty of Medicine, George Emil Palade University of Medicine, Pharmacy, Science, and Technology of Targu Mures, 540142 Targu Mures, Romania
| | - Liviu Moldovan
- Faculty of Engineering and Information Technology, George Emil Palade University of Medicine, Pharmacy, Science, and Technology of Targu Mures, 540142 Targu Mures, Romania
| | - Tiberiu Bataga
- Orthopedics-Traumatology Department, Faculty of Medicine, George Emil Palade University of Medicine, Pharmacy, Science, and Technology of Targu Mures, 540142 Targu Mures, Romania
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Mazumder S, Man K, Radhakrishnan M, Pantawane MV, Palaniappan S, Patil SM, Yang Y, Dahotre NB. Microstructure enhanced biocompatibility in laser additively manufactured CoCrMo biomedical alloy. BIOMATERIALS ADVANCES 2023; 150:213415. [PMID: 37079982 DOI: 10.1016/j.bioadv.2023.213415] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/08/2022] [Revised: 03/01/2023] [Accepted: 03/29/2023] [Indexed: 04/22/2023]
Abstract
The present work investigated biocompatibility of the unique nanostructural surface morphology inherently evolved in laser-based additively manufactured CoCrMo after biocorrosion in simulated body fluid at physiological temperature (37 °C). The extremely rapid thermokinetics intrinsically associated with the laser-based additive manufacturing technique resulted in heterogeneous cellular dendritic solidification morphologies with selective elemental segregation along the cell boundaries within CoCrMo samples. Consequently, a selective and spatially varying electrochemical response resulted in generation of a nanoscale surface morphology (crests and troughs) due to differential localized electrochemical etching. Also, depth of the trough regions was a function of the applied potential difference during potentiodynamic polarization which resulted in samples with varying morphological ratio (depth of trough/width of cell wall). CoCrMo with such nanoscale surface undulations were proposed for enhanced biocompatibility in terms of viability, spreading, and integration of MT3C3 pre-osteoblasts cells elucidated via MTT assay, immunofluorescence, and microscopy techniques. Furthermore, the influence of the morphological ratio, characteristic to the additively deposited CoCrMo after electrochemical etching (biocorrosion) on biocompatibility of MT3C3 pre-osteoblasts cells was qualitatively and quantitatively compared to a mirror-polished flat CoCrMo surface.
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Affiliation(s)
- Sangram Mazumder
- Department of Materials Science and Engineering, University of North Texas, Denton, TX 76207, USA; Center for Agile and Adaptive Additive Manufacturing, University of North Texas, Denton, TX 76207, USA
| | - Kun Man
- Center for Agile and Adaptive Additive Manufacturing, University of North Texas, Denton, TX 76207, USA; Department of Biomedical Engineering, University of North Texas, Denton, TX 76203, USA
| | - Madhavan Radhakrishnan
- Center for Agile and Adaptive Additive Manufacturing, University of North Texas, Denton, TX 76207, USA
| | - Mangesh V Pantawane
- Department of Materials Science and Engineering, University of North Texas, Denton, TX 76207, USA; Center for Agile and Adaptive Additive Manufacturing, University of North Texas, Denton, TX 76207, USA
| | - Selvamurugan Palaniappan
- Department of Materials Science and Engineering, University of North Texas, Denton, TX 76207, USA; Center for Agile and Adaptive Additive Manufacturing, University of North Texas, Denton, TX 76207, USA
| | - Shreyash M Patil
- Center for Agile and Adaptive Additive Manufacturing, University of North Texas, Denton, TX 76207, USA
| | - Yong Yang
- Department of Biomedical Engineering, University of North Texas, Denton, TX 76203, USA
| | - Narendra B Dahotre
- Department of Materials Science and Engineering, University of North Texas, Denton, TX 76207, USA; Center for Agile and Adaptive Additive Manufacturing, University of North Texas, Denton, TX 76207, USA; Department of Biomedical Engineering, University of North Texas, Denton, TX 76203, USA.
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Furqan A, Hafeez S, Khan F, Asghar A, Manzoor M, Kareem T. CAN SHOE SIZE CORRECTLY PREDICT THE SIZE OF COMPONENTS OF TOTAL KNEE REPLACEMENT PRE-OPERATIVELY. JOURNAL OF RAWALPINDI MEDICAL COLLEGE 2023; 27. [DOI: 10.37939/jrmc.v27i1.1972] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 09/01/2023]
Abstract
Objective: To ascertain the correlation between shoe size and sizes of femoral and tibial components of total knee replacement preoperatively in patients undergoing total knee arthroplasty.
Study design: Prospective cohort study
Study settings and duration: This study was conducted at department of orthopedic surgery, Shifa International Hospital, Islamabad from July 2020 – December 2020.
Material and methods: Sample size was calculated using WHO calculator and it was 43 patients in total. Patients were approached through non-probability consecutive sampling. Shoe size of patients was measured using a Brannock device. During surgery, Implant model and sizes of the femoral and tibial components implanted during knee replacement were noted. Data was analyzed with the help of SPSS version 24. We applied Pearson’s correlation cofficeint. P value ≤ 0.05 was considered significant.
Results: Out of 43, there were 9(20.9%) male and female 34(79.1%). Mean age of patients was 51.7±6.8 (SD). We found good positive correlation between shoe size and tibial component (p=<0.001). Positive co relation was found between femoral component and shoe size (p=0.001). Shoe size predict 72% of Tibial component and 65% femoral component.
Conclusion: Shoe size is effective and safe predictors of total knee replacement components pre-operatively. This procedure is more accurate and less labor intensive. Accurate templating result in less surgical duration and provide several benefits to patients and health care providers.
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[Particle disease and its effects on periarticular tissue]. ORTHOPADIE (HEIDELBERG, GERMANY) 2023; 52:196-205. [PMID: 36867226 DOI: 10.1007/s00132-023-04348-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Accepted: 01/12/2023] [Indexed: 03/04/2023]
Abstract
Particle disease is the condition caused by wear debris on surrounding tissues and influences the well-being of arthroplasty patients. This condition is multifactorial due to the type of bearing couple, head size and implant position. Subsequent periprosthetic osteolysis and soft tissue reactions, can lead to revision THA surgery. The periprosthetic synovial membrane (synovial-like interface membrane, SLIM) is used in diagnostics when the cause of implant failure is uncertain. Detailed analysis of synovial fluid and bone marrow could improve the diagnostic procedure and strengthen the cases for revision surgery and the underlying biology. A large number of research approaches on this topic have evolved and continue to be utilized in the clinic.
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Singh AP, Rana M, Pal B, Datta P, Majumder S, Roychowdhury A. Patient-specific femoral implant design using metamaterials for improving load transfer at proximal-lateral region of the femur. Med Eng Phys 2023; 113:103959. [PMID: 36965999 DOI: 10.1016/j.medengphy.2023.103959] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/19/2022] [Revised: 12/28/2022] [Accepted: 02/14/2023] [Indexed: 02/17/2023]
Abstract
Loading configuration of hip joint creates resultant bending effect on femoral implants. So, the lateral side of femoral implant which is under tension retracts from peri‑implant bone due to positive Poisson's ratio. This retraction of implant leads to load shielding and gap opening in proximal-lateral region, thereby allowing entry of wear particle to implant-bone interface. Retraction of femoral implant can be avoided by introducing auxetic metamaterial to the retracting side. This allows the implant to push peri‑implant bone under tensile condition by virtue of their auxetic (negative Poisson's ratio) nature. To develop such implants, a patient-specific conventional solid implant was first designed based on computed-tomography scan of a patient's femur. Two types of metamaterials (2D: type-1) and (3D: type-2) were employed to design femoral meta-implants. Type-1 and type-2 meta-implants were fabricated using metallic 3D printing method and mechanical compression testing was conducted. Three finite element (FE) models of the femur implanted with solid implant, type-1 meta-implant and type-2 meta-implant were developed and analysed under compression loading. Significant correlation (R2 = 0.9821 and R2 = 0.9977) was found between the experimental and FE predicted strains of the two meta-implants. In proximal-lateral region of the femur, an increase of 7.1% and 44.1% von-Mises strain was observed when implanted with type-1 and type-2 meta-implant over the solid implant. In this region, bone remodelling analysis revealed 2.5% bone resorption in case of solid implant. While bone apposition of 0.5% and 7.7% was observed in case of type-1 and type-2 meta-implants, respectively. The results of this study indicates that concept of introduction of metamaterial to the lateral side of femoral implant can prove to provide higher osseointegration-friendly environment in the proximal-lateral region of femur.
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Affiliation(s)
- Ankush Pratap Singh
- Department of Aerospace Engineering and Applied Mechanics, Indian Institute of Engineering Science and Technology Shibpur, Howrah, India; Bioceramics & Coating Division, CSIR-Central Glass & Ceramic Research Institute, Kolkata, India
| | - Masud Rana
- Department of Aerospace Engineering and Applied Mechanics, Indian Institute of Engineering Science and Technology Shibpur, Howrah, India
| | - Bidyut Pal
- Department of Mechanical Engineering, Indian Institute of Engineering Science and Technology Shibpur, Howrah, India
| | - Pallab Datta
- Department of Pharmaceutics, National Institute of Pharmaceutical Education and Research Kolkata, India
| | - Santanu Majumder
- Department of Aerospace Engineering and Applied Mechanics, Indian Institute of Engineering Science and Technology Shibpur, Howrah, India
| | - Amit Roychowdhury
- Department of Aerospace Engineering and Applied Mechanics, Indian Institute of Engineering Science and Technology Shibpur, Howrah, India.
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12
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Long H, Xie D, Zeng C, Wang H, Lei G, Yang T. Burden and Characteristics of Revision Total Knee Arthroplasty in China: a National Study Based on Hospitalized Cases. J Arthroplasty 2023:S0883-5403(23)00183-3. [PMID: 36849014 DOI: 10.1016/j.arth.2023.02.052] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/06/2022] [Revised: 02/14/2023] [Accepted: 02/17/2023] [Indexed: 03/01/2023] Open
Abstract
BACKGROUND National epidemiological data in China are absent for revision total knee arthroplasty (TKA). This study aimed to investigate the burden and characteristics of revision TKA in China. METHODS We reviewed 4,503 revision TKA cases registered in the Hospital Quality Monitoring System in China between 2013 and 2018 using International Classification of Diseases, Ninth Revision, Clinical Modification (ICD-9-CM) codes. Revision burden was determined by the ratio of the number of revision procedures to the total number of TKA procedures. Demographic characteristics, hospital characteristics, and hospitalization charges were identified. RESULTS The revision TKA cases accounted for 2.4% of all TKA cases. The revision burden showed an increasing trend from 2013 to 2018 (2.3 to 2.5%) (P for trend = 0.034). Gradual increases in revision TKA were observed in patients aged > 60 years. The most common causes for revision TKA were infection (33.0%) and mechanical failure (19.5%). More than 70% of the patients were hospitalized in provincial hospitals. A total of 17.6% patients were hospitalized in a hospital outside the province of their residence. The hospitalization charges continued to increase between 2013 and 2015 and remained roughly stable over the next three years. CONCLUSIONS This study provided epidemiological data for revision TKA in China based on a national database. There was a growing trend of revision burden during the study period. The focalized nature of operations in a few higher volume regions was observed and many patients had to travel to obtain their revision procedure.
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Affiliation(s)
- Huizhong Long
- Department of Orthopaedics, Xiangya Hospital, Central South University, Changsha, Hunan, China
| | - Dongxing Xie
- Department of Orthopaedics, Xiangya Hospital, Central South University, Changsha, Hunan, China; Hunan Key Laboratory of Joint Degeneration and Injury, Changsha, Hunan, China
| | - Chao Zeng
- Department of Orthopaedics, Xiangya Hospital, Central South University, Changsha, Hunan, China; Hunan Key Laboratory of Joint Degeneration and Injury, Changsha, Hunan, China; Hunan Engineering Research Center for Osteoarthritis, Changsha, Hunan, China; National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University, Changsha, Hunan, China
| | - Haibo Wang
- Clinical Trial Unit, First Affiliated Hospital of Sun Yat-Sen University, Guangzhou, Guangdong, China; China Standard Medical Information Research Center, Shenzhen, Guangdong, China
| | - Guanghua Lei
- Department of Orthopaedics, Xiangya Hospital, Central South University, Changsha, Hunan, China; Hunan Key Laboratory of Joint Degeneration and Injury, Changsha, Hunan, China; Hunan Engineering Research Center for Osteoarthritis, Changsha, Hunan, China; National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University, Changsha, Hunan, China
| | - Tuo Yang
- Hunan Key Laboratory of Joint Degeneration and Injury, Changsha, Hunan, China; National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University, Changsha, Hunan, China; Health Management Center, Xiangya Hospital, Central South University, Changsha, Hunan, China.
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13
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Chang K, Albright JA, Testa EJ, Balboni AB, Daniels AH, Cohen E. Sarcopenia Is Associated with an Increased Risk of Postoperative Complications Following Total Hip Arthroplasty for Osteoarthritis. BIOLOGY 2023; 12:biology12020295. [PMID: 36829571 PMCID: PMC9953618 DOI: 10.3390/biology12020295] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 12/04/2022] [Revised: 01/10/2023] [Accepted: 02/09/2023] [Indexed: 02/15/2023]
Abstract
Sarcopenia is a state of catabolic muscle wasting prevalent in geriatric patients. Likewise, osteoarthritis is an age-related musculoskeletal disease affecting patients with similar demographics. Late-stage hip osteoarthritis is often treated with total hip arthroplasty (THA). As sarcopenia influences the surgical outcomes, this study aimed to assess the impact of sarcopenia on the outcomes of THA. A 1:3 matched case-control study of sarcopenic to control patients was performed using a large national database. In total, 3992 patients were analyzed. Sarcopenic patients undergoing THA were more likely to experience dislocation (odds ratio (OR) = 2.19, 95% confidence interval (CI) 1.21-3.91) within 1 year of THA. Furthermore, sarcopenic patients had higher urinary tract infection rates (OR = 1.79, CI 1.32-2.42) and a greater risk of 90-day hospital readmission (hazard ratio (HR) = 1.39, CI 1.10-1.77). Sarcopenic patients experienced more falls (OR = 1.62, CI 1.10-2.39) and fragility fractures (OR = 1.77, CI 1.34-2.31). Similarly, sarcopenic patients had higher day of surgery costs (USD 13,534 vs. USD 10,504) and 90-day costs (USD 17,139 vs. USD 13,394) compared with the controls. Ultimately, sarcopenic patients undergoing THA experience higher rates of postoperative complications and incur greater medical costs. Given the potential risks, orthopedic surgeons may consider treating or reducing the severity of sarcopenia before surgery.
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Affiliation(s)
- Kenny Chang
- Warren Alpert Medical School of Brown University, Providence, RI 02903, USA
- Correspondence:
| | - J. Alex Albright
- Warren Alpert Medical School of Brown University, Providence, RI 02903, USA
| | - Edward J. Testa
- Department of Orthopaedic Surgery, Warren Alpert Medical School of Brown University, Providence, RI 02903, USA
| | - Alanna B. Balboni
- Department of Orthopaedic Surgery, Warren Alpert Medical School of Brown University, Providence, RI 02903, USA
| | - Alan H. Daniels
- Department of Orthopaedic Surgery, Warren Alpert Medical School of Brown University, Providence, RI 02903, USA
| | - Eric Cohen
- Department of Orthopaedic Surgery, Warren Alpert Medical School of Brown University, Providence, RI 02903, USA
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14
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Livshetz I, Sussman BH, Papas V, Mohamed NS, Salem HS, Delanois RE, Mont MA, Scuderi GR. Analyzing the Burden of Revision Total Knee Arthroplasty in the United States between 2009 and 2016. J Knee Surg 2023; 36:121-131. [PMID: 34237780 DOI: 10.1055/s-0041-1731324] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
As the number of total knee arthroplasties (TKAs) increases, it is reasonable to expect the number of revision TKAs (rTKAs) to rise in parallel. The patient-related and societal burdens of rTKA are poorly understood. Therefore, the purpose of this study was to determine temporal changes in: (1) the incidence of rTKA; (2) patient and hospital characteristics; (3) complications, hospital lengths of stay (LOSs), and discharge dispositions; and (4) costs, charges, and payer types. All patients who underwent rTKA between 2009 and 2016 were identified from the National Inpatient Sample database using International Classification of Diseases, Ninth Revision and Tenth Revision codes and were studied. Univariate analyses were performed to compare the incidence of rTKA, patient and hospital characteristics, LOS and discharge dispositions, as well as costs, charges, and payer types. A multivariate logistic regression model was built to compare the odds of complications in 2009 and 2016. Over our study period, there was a 4.3% decrease in the incidence of rTKA. The mean age of patients who underwent rTKA was 65 years and a majority were female (58%). Mean hospital LOS decreased from 4.1 days in 2009 to 3.3 days in 2016 (p < 0.001). The rate of several complications decreased significantly over our study period including myocardial infarction, cardiac arrest, transfusion, pneumonia, urinary tract infection, and mortality. A significantly lower percentage of rTKA patients were discharged to a skilled nursing facility in 2016 (26.5%) compared with 2009 (31.6%; p < 0.001). There was an 18.7% increase in the mean costs, and a 43.3% increase in the mean charges (p < 0.001). Over the study period, there was a decrease in the incidence of rTKAs. Despite potential improvements in primary TKA, the burden associated with rTKA remains large. This report can be used to help educate medical providers about outcomes that may result from a primary and/or revised TKA.
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Affiliation(s)
- Isaac Livshetz
- Department of Orthopedic Surgery, White Plains Hospital, White Plains, New York
| | - Benjamin H Sussman
- Department of Orthopedic Surgery, Lewis Katz School of Medicine, Temple University, Philadelphia, Pennsylvania
| | - Vivian Papas
- Department of Orthopedic Surgery, Lenox Hill Hospital Northwell Health, New York, New York
| | - Nequesha S Mohamed
- Department of Orthopedic Surgery, Center for Joint Preservation and Replacement, Rubin Institute for Advanced Orthopedics, Sinai Hospital of Baltimore, Baltimore, Maryland
| | - Hytham S Salem
- Department of Orthopedic Surgery, Lenox Hill Hospital Northwell Health, New York, New York
| | - Ronald E Delanois
- Department of Orthopedic Surgery, Center for Joint Preservation and Replacement, Rubin Institute for Advanced Orthopedics, Sinai Hospital of Baltimore, Baltimore, Maryland
| | - Michael A Mont
- Department of Orthopedic Surgery, Lenox Hill Hospital Northwell Health, New York, New York
| | - Giles R Scuderi
- Department of Orthopedic Surgery, Lenox Hill Hospital Northwell Health, New York, New York
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15
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Duta A, Popa DL, Vintila DD, Buciu G, Dina NA, Ionescu A, Berceanu MC, Calin DC. An Experimental and Virtual Approach to Hip Revision Prostheses. Diagnostics (Basel) 2022; 12:diagnostics12081952. [PMID: 36010302 PMCID: PMC9406961 DOI: 10.3390/diagnostics12081952] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/12/2022] [Revised: 08/08/2022] [Accepted: 08/10/2022] [Indexed: 11/16/2022] Open
Abstract
(1) Introduction: The changes in the joint morphology inevitably lead to prosthesis, but the hip pathology is complex. The hip arthroplasty is a therapeutic solution and can be caused, most frequently, by primary and secondary coxarthrosis due to or followed by traumatic conditions. The main aim of this study was to find the method of revision hip prosthesis that preserves as much bone material as possible and has sufficiently good mechanical strength. (2) Materials and Methods: In this study, in a first step, the two revision prostheses were performed on bone components taken from an animal (cow), and then, they were tested on a mechanical testing machine until the prostheses physically failed, and the force causing their failure was determined. (3) Results: These prostheses were then modelled in a virtual environment and tested using the finite element method (FEM) in order to determine their behaviour under loading from normal human gait. Displacement, strain, and stress maps were obtained. (4) Discussion: Discussions on hip revision prostheses, method, and theory analysis are presented at the end of the paper. (5) Conclusions: Important conclusions are drawn based on comparative analyses. The main conclusion shows that the both orthopaedic prostheses provide a very good resistance.
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Affiliation(s)
- Alina Duta
- Faculty of Mechanics, University of Craiova, 200512 Craiova, Romania
| | - Dragos-Laurentiu Popa
- Faculty of Mechanics, University of Craiova, 200512 Craiova, Romania
- Correspondence: (D.-L.P.); (G.B.)
| | | | - Gabriel Buciu
- Faculty of Nursing, Titu Maiorescu University, 210102 Targu Jiu, Romania
- Correspondence: (D.-L.P.); (G.B.)
| | | | - Adriana Ionescu
- Faculty of Mechanics, University of Craiova, 200512 Craiova, Romania
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16
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Freitag T, Reichel H. [Contemporary indications for aseptic revision total hip arthroplasty]. ORTHOPADIE (HEIDELBERG, GERMANY) 2022; 51:609-618. [PMID: 35773533 DOI: 10.1007/s00132-022-04272-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Accepted: 06/03/2022] [Indexed: 06/15/2023]
Abstract
BACKGROUND Hip arthroplasties and revision procedures will continue to rise over the next decades. In 2020 in Germany, 75% of all revision surgeries involved an exchange of at least one component; exchanges of all components were carried out in 27.5% of the revisions. The most common failure modes were aseptic loosening, infections, periprosthetic fractures, instabilities, and metal-related pathologies. INDICATIONS Aseptic loosening remains the most common reason for revision. However, the indications for hip arthroplasty revisions have changed over time, with a decrease in revisions due to aseptic loosening and an increase in revisions due to infection and periprosthetic fracture. The rate of dislocations remained approximately constant over the past decade, with international differences. Metal-associated pathologies will continue to play a significant role in revision hip arthroplasty.
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Affiliation(s)
- Tobias Freitag
- Orthopädische Universitätsklinik am RKU, Universitätsklinikum Ulm, Ulm, Deutschland.
| | - Heiko Reichel
- Orthopädische Universitätsklinik am RKU, Universitätsklinikum Ulm, Ulm, Deutschland
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17
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Morco SR, Williams DL, Jensen BD, Bowden AE. Structural biofilm resistance of carbon-infiltrated carbon nanotube coatings. J Orthop Res 2022; 40:1953-1960. [PMID: 34727381 DOI: 10.1002/jor.25206] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/04/2021] [Revised: 10/09/2021] [Accepted: 10/23/2021] [Indexed: 02/04/2023]
Abstract
Periprosthetic joint infection (PJI) is a devastating complication of orthopedic implant surgeries, such as total knee and hip arthroplasties. Treatment requires additional surgeries because antibiotics have limited efficacy due to biofilm formation and resistant bacterial strains such as methicillin-resistant Staphylococcus aureus (MRSA). A non-pharmaceutical approach is needed, and examples of this are found in nature; dragonfly and cicada wings are antibacterial because of their nanopillar surface structure rather than their chemistry. Carbon-infiltrated carbon nanotube (CICNT) surfaces exhibit a similar nanopillar structure, and have been shown to facilitate osseointegration, and it is postulated that they might provide a structurally-derived resistance to bacterial proliferation and biofilm formation. The objective of this study was to test the biofilm resistance of CICNT coatings. Two types of CICNT were produced: a vertically aligned CNT forest on a silicon substrate using a layer of iron as the catalyst (CICNT-Si) and a random-oriented CNT forest on stainless steel (SS) substrate using the substrate as the catalyst (CICNT-SS). These were tested against SS and carbon controls. After 48 h in an MRSA biofilm reactor, samples demonstrated that both types of CICNT coatings significantly (p < 0.0001) reduced MRSA biofilm formation by 60%-80%. Morphologically, biofilm presence on both types of CICNT was also significantly reduced. Clinical Significance: Results suggest that a CICNT surface modification could be suitable and advantageous for medical devices susceptible to MRSA cell attachment and biofilm proliferation, particularly orthopedic implants.
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Affiliation(s)
- Stephanie R Morco
- Department of Mechanical Engineering, Brigham Young University, Provo, Utah, USA
| | - Dustin L Williams
- Department of Orthopaedics, University of Utah, Salt Lake City, Utah, USA
| | - Brian D Jensen
- Department of Mechanical Engineering, Brigham Young University, Provo, Utah, USA
| | - Anton E Bowden
- Department of Mechanical Engineering, Brigham Young University, Provo, Utah, USA
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18
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Anil U, Singh V, Schwarzkopf R. Diagnosis and Detection of Subtle Aseptic Loosening in Total Hip Arthroplasty. J Arthroplasty 2022; 37:1494-1500. [PMID: 35189292 DOI: 10.1016/j.arth.2022.02.060] [Citation(s) in RCA: 12] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/30/2021] [Revised: 01/10/2022] [Accepted: 02/14/2022] [Indexed: 02/02/2023] Open
Abstract
Aseptic loosening is a common cause of revision total hip arthroplasty (rTHA), and with the rising number of primary THAs, revisions for aseptic loosening represent a significant burden for arthroplasty surgeons. Aseptic loosening remains a diagnostic and management challenge. Loosening can occur as a result of inadequate initial fixation, mechanical loss of fixation over time, or a biological loss of fixation over time. However, in most cases, etiology is multifactorial, involving all 3 factors. The diagnosis of aseptic loosening involves a careful history, focused clinical exam, and thorough evaluation of imaging using several diagnostic modalities. The careful evaluation of serial radiographs remains the cornerstone of diagnosis with additional input from advanced imaging modalities such as FDG-PET, DEXA, MRI, and several others, each offering unique advantages and disadvantages. In certain patients, history and physical exam might be the only initial obvious signs of loosening, and thus, unexplained continuous pain augmented by imaging findings serves as an indication for revision surgery.
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Affiliation(s)
- Utkarsh Anil
- Department of Orthopedic Surgery, NYU Langone Health, New York, New York
| | - Vivek Singh
- Department of Orthopedic Surgery, NYU Langone Health, New York, New York
| | - Ran Schwarzkopf
- Department of Orthopedic Surgery, NYU Langone Health, New York, New York
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19
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Markel JF, Driscoll JA, Zheng TH, Hughes RE, Moore DD, Hallstrom BR, Markel DC. Causes of Early Hip Revision Vary by Age and Gender: Analysis of Data From a Statewide Quality Registry. J Arthroplasty 2022; 37:S616-S621. [PMID: 35278671 DOI: 10.1016/j.arth.2022.03.014] [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: 12/01/2021] [Revised: 03/02/2022] [Accepted: 03/03/2022] [Indexed: 02/02/2023] Open
Abstract
BACKGROUND While total hip arthroplasty (THA) is extremely successful, early failures do occur. The purpose of this study was to determine the cause of revision in specific patient demographic groups at 3 time points to potentially help decrease the revision risk. METHODS Data for cases performed between 2012 and 2018 from a statewide, quality improvement arthroplasty registry were used. The database included 79,205 THA cases and 1,433 revisions with identified etiology (1,584 in total). All revisions performed at <5 years from the primary THA were reviewed. Six groups, men/women, <65, 65-75, and >75 years, were compared at revision time points <6 months, <1 year, and <5 years. RESULTS There were obvious and significant differences between subgroups based on demographics and time points (P < .0001). Seven hundred and fifty-six (53%) of all revisions occurred within 6 months. The most common etiologies within 6 months (756 revisions) were fracture (316, 41.8%), dislocation/instability (194, 25.7%), and infection (98, 12.9%). At this early time point, the most common revision cause was fracture for all age/gender-stratified groups, ranging from 27.6% in young men to 60% in older women. Joint instability became the leading cause for revision after 1 year in all groups. CONCLUSION This quality improvement project demonstrated clinically meaningful differences in the reason for THA revision between gender, age, and time from surgery. Strategies based on these data should be employed by surgeons to minimize the factors that lead to revision.
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Affiliation(s)
- Jacob F Markel
- Department of Orthopaedic Surgery, University of Louisville, Louisville, Kentucky
| | - John Adam Driscoll
- Department of Orthopaedic Surgery, Beaumont Hospital, Royal Oak, Michigan
| | - Thomas H Zheng
- Michigan Arthroplasty Registry Collaborative Quality Initiative, Ann Arbor, Michigan
| | - Richard E Hughes
- Department of Orthopaedic Surgery, University of Michigan, Ann Arbor, MI
| | - Drew D Moore
- Department of Orthopaedic Surgery, Beaumont Hospital, Royal Oak, Michigan
| | - Brian R Hallstrom
- Department of Orthopaedic Surgery, University of Michigan, Ann Arbor, MI
| | - David C Markel
- Department of Orthopaedic Surgery, The CORE Institute, Novi, MI
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20
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Ogonda L, Cassidy RS, Beverland DE. A conservative approach to dislocation following total hip arthroplasty: a review of 8606 hips. Hip Int 2022; 32:291-297. [PMID: 32905705 DOI: 10.1177/1120700020959062] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/04/2023]
Abstract
PATIENTS AND METHODS We present the data on 8606 total hip arthroplasty (THA) procedures carried out in 7818 patients through a posterior approach between 1998 and 2017. RESULTS 218 hips (2.5%) suffered at least 1 dislocation with dislocation rates declining from 6.2% from 1998 to 2002 to 1.5% from 2003 to 2017. Overall, 92 hips (1.06%) required revision surgery but of these, only 5 (0.06%) had a full revision of both components with the remaining 87 requiring intervention only on the acetabular side. None have had a pseudo-arthrosis; none were left dislocated and all remain stable to date. CONCLUSIONS In patients who have a second dislocation within 3 months of their primary surgery we recommend a spica or long leg cylinder cast to reduce the need for revision surgery. We propose an algorithm to manage instability with less aggressive operative treatment in this often-elderly patient population with the potential for less physiological insult and significant cost savings.
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Affiliation(s)
- Luke Ogonda
- Outcomes Unit, Primary Joint Unit, Musgrave Park Hospital, Belfast, UK
| | - Roslyn S Cassidy
- Outcomes Unit, Primary Joint Unit, Musgrave Park Hospital, Belfast, UK
| | - David E Beverland
- Outcomes Unit, Primary Joint Unit, Musgrave Park Hospital, Belfast, UK
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21
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Smith D, Berdis G, Singh V, Caughran A, Bullock M. Postoperative Fluid Collections in Total Joint Arthroplasty: A Narrative Review. Orthop Res Rev 2022; 14:43-57. [PMID: 35221733 PMCID: PMC8866365 DOI: 10.2147/orr.s348919] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/11/2021] [Accepted: 02/08/2022] [Indexed: 11/23/2022] Open
Abstract
A post-operative fluid collection (POFC) represents a common finding in both primary and revision total joint arthroplasty (TJA). Fortunately, most resolve on their own, but in instances where they become symptomatic, prompt identification and management are paramount, especially when they occur adjacent to a joint arthroplasty because of the increased the risk of developing a periprosthetic joint infection. A strong clinical suspicion with appropriate clinical exam is required along with select imaging modalities to arrive at a diagnosis. Meticulous surgical technique is crucial to prevent POFC, but new emerging treatments continue to evolve. This article presents an updated overview of incidence, pathophysiology, diagnosis, and management of POFC in the setting of TJA. We review the role of select imaging modalities as well as summarize current literature regarding new treatments such as sclerotherapy agents, acellular dermal matrices, and negative pressure wound therapy. Future studies are necessary to explore the interplay of inflammatory mediators in POFC formation and to define their role in fluid collection resolution.
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Affiliation(s)
- Dylan Smith
- Marshall University, Joan C. Edwards School of Medicine, Huntington, WV, USA
| | - Galen Berdis
- Department of Orthopaedics, Marshall University, Joan C. Edwards School of Medicine, Huntington, WV, USA
| | - Vishavpreet Singh
- Department of Orthopaedics, Marshall University, Joan C. Edwards School of Medicine, Huntington, WV, USA
| | - Alexander Caughran
- Department of Orthopaedics, Marshall University, Joan C. Edwards School of Medicine, Huntington, WV, USA
| | - Matthew Bullock
- Department of Orthopaedics, Marshall University, Joan C. Edwards School of Medicine, Huntington, WV, USA
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22
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Bergen MA, Ryan SP, Hong CS, Plate JF, Bolognesi MP, Seyler TM. Revision Total Joint Arthroplasty: Final Stop Tertiary Referral Center. Orthopedics 2021; 44:e477-e481. [PMID: 34292827 DOI: 10.3928/01477447-20210618-03] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/03/2023]
Abstract
High complication rates associated with revision total knee arthroplasty (TKA) and total hip arthroplasty (THA) may unequally burden tertiary referral centers, which manage medically complex patients. The authors aimed to quantify TKA and THA referral patterns at a tertiary referral center based on travel distance and patient comorbidities. All patients who underwent primary or revision TKA or THA at the investigating institution from 2012 to 2016 were identified. Travel distance was calculated using each patient's home address and stratified into less than 25 miles, 25 to 74 miles, and 75 miles or more. Age, body mass index, Charlson Comorbidity Index, and postoperative clinical data were identified. Patients were analyzed based on procedure performed and travel distance. A total of 4245 procedures were included for analysis (1754 primary TKAs, 432 revision TKAs, 1503 primary THAs, and 556 revision THAs). Patients living 75 miles or more away had significantly higher odds of undergoing revision arthroplasty compared with patients living within 25 miles (knee: odds ratio [OR], 2.43; hip: OR, 2.61; P<.001). Charlson Comorbidity Index did not increase with travel distance. Patients traveling 75 miles or more were more likely to have periprosthetic fracture (OR, 3.91; P=.011) and less likely to have dislocation (OR, 0.54; P=.026) as the surgical indication for revision. Patients referred to a tertiary center were more likely to necessitate revision total joint arthroplasty but did not differ in comorbidity profile compared with local patients. Periprosthetic fracture, a particularly high-risk surgical indication, was overrepresented among referral patients. These data suggest that factors such as underlying diagnosis, but not preoperative medical comorbidities, may influence referral patterns. [Orthopedics. 2021;44(4):e477-e481.].
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Performance of a Piezoelectric Energy Harvesting System for an Energy-Autonomous Instrumented Total Hip Replacement: Experimental and Numerical Evaluation. MATERIALS 2021; 14:ma14185151. [PMID: 34576375 PMCID: PMC8470322 DOI: 10.3390/ma14185151] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 08/05/2021] [Revised: 08/31/2021] [Accepted: 09/01/2021] [Indexed: 01/16/2023]
Abstract
Instrumented implants can improve the clinical outcome of total hip replacements (THRs). To overcome the drawbacks of external energy supply and batteries, energy harvesting is a promising approach to power energy-autonomous implants. Therefore, we recently presented a new piezoelectric-based energy harvesting concept for THRs. In this study, the performance of the proposed energy harvesting system was numerically and experimentally investigated. First, we numerically reproduced our previous results for the physiologically based loading situation in a simplified setup. Thereafter, this configuration was experimentally realised by the implantation of a functional model of the energy harvesting concept into an artificial bone segment. Additionally, the piezoelectric element alone was investigated to analyse the predictive power of the numerical model. We measured the generated voltage for a load profile for walking and calculated the power output. The maximum power for the directly loaded piezoelectric element and the functional model were 28.6 and 10.2 µW, respectively. Numerically, 72.7 µW was calculated. The curve progressions were qualitatively in good accordance with the numerical data. The deviations were explained by sensitivity analysis and model simplifications, e.g., material data or lower acting force levels by malalignment and differences between virtual and experimental implantation. The findings verify the feasibility of the proposed energy harvesting concept and form the basis for design optimisations with increased power output.
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Quinlan ND, Althoff AD, Chen DQ, Werner BC, Brown TE, Browne JA. Trends in Hospital and Surgeon Charges and Reimbursements for Revision Total Knee Arthroplasty. J Arthroplasty 2021; 36:S145-S154. [PMID: 33612331 DOI: 10.1016/j.arth.2021.01.078] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/24/2020] [Revised: 01/10/2021] [Accepted: 01/28/2021] [Indexed: 02/02/2023] Open
Abstract
BACKGROUND The relationship between surgeon and hospital charges and reimbursements for revision total knee arthroplasty (TKA) has not been well examined. The objective of this study is to report trends and variations in hospital charges and payments compared to surgeons for stage 1 (S1) vs stage 2 (S2) septic revision TKA and aseptic revision (AR) TKA. METHODS The 5% Medicare sample was used to capture hospital and surgeon data for revision TKA from 2005 to 2014. The charge multiplier (CM) and ratio of hospital to surgeon charges, and the payment multiplier (PM) and ratio of hospital to surgeon payments were calculated. Year-to-year variation and regional trends in-patient demographics, Charlson Comorbidity Index, length of stay (LOS), CM, and PM were evaluated. RESULTS In total, 4570 AR, 1323 S1, and 863 S2 TKA patients were included. CM increased for all cohorts: 8.1-13.8 for AR (P < .001), 21.0-22.5 (P = .07) for S1, and 11.8-22.0 (P < .001) for S2. PM followed a similar trend, increasing 8.1-13.8 (P < .001) for AR, 19.8-27.3 (P = .005) for S1, and 14.7-30.7 (P < .001) for S2. Surgeon reimbursement decreased for all cohorts. LOS decreased for AR (3.8-2.8 days), S1 (12.8-6.9 days), and S2 (4.5-3.9 days). Charlson Comorbidity Index remained stable for AR patients but increased significantly for S1 and S2 cohorts. CONCLUSION Hospital charges and payments relative to the surgeons have significantly increased for revision TKA in the setting of stable or increasing patient complexity and decreasing LOS.
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Affiliation(s)
- Nicole D Quinlan
- Department of Orthopaedic Surgery, University of Virginia, Charlottesville, VA
| | - Alyssa D Althoff
- Department of Orthopaedic Surgery, University of Virginia, Charlottesville, VA
| | - Dennis Q Chen
- Department of Orthopaedic Surgery, University of Virginia, Charlottesville, VA
| | - Brian C Werner
- Department of Orthopaedic Surgery, University of Virginia, Charlottesville, VA
| | - Thomas E Brown
- Department of Orthopaedic Surgery, University of Virginia, Charlottesville, VA
| | - James A Browne
- Department of Orthopaedic Surgery, University of Virginia, Charlottesville, VA
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Lange HE, Bader R, Kluess D. Endurance testing and finite element simulation of a modified hip stem for integration of an energy harvesting system. Proc Inst Mech Eng H 2021; 235:985-992. [PMID: 34137316 PMCID: PMC8649416 DOI: 10.1177/09544119211021675] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/17/2023]
Abstract
Instrumented implants are a promising approach to further improve the clinical
outcome of total hip arthroplasties. For the integrated sensors or active
functions, an electrical power supply is required. Energy harvesting concepts
can provide autonomous power with unlimited lifetime and are independent from
external equipment. However, those systems occupy space within the mechanically
loaded total hip replacement and can decrease the life span due to fatigue
failure in the altered implant. We previously presented a piezoelectric energy
harvesting system for an energy-autonomous instrumented total hip stem that
notably changes the original implant geometry. The aim of this study was to
investigate the remaining structural fatigue failure strength of the metallic
femoral implant component in a worst-case scenario. Therefore, the modified hip
stem was tested under load conditions based on ISO 7206-4:2010. The required
five million cycles were completed twice by all samples (n = 3). Additionally
applied cycles with incrementally increased load levels up to 4.7 kN did not
induce implant failure. In total, 18 million cycles were endured, outperforming
the requirements of the ISO standard. Supplementary finite element analysis was
conducted to determine stress distribution within the implant. A high stress
concentration was found in the region of modification. The stress level showed
an increase compared to the previously evaluated physiological loading situation
and was close to the fatigue data from the literature. The stress concentration
factor compared to the original geometry amounted to 2.56. The assessed stress
level in accordance with the experimental fatigue testing can serve as a maximum
reference value for further implant design modifications and optimisations.
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Affiliation(s)
- Hans-E Lange
- Department of Orthopaedics, Rostock University Medical Center, Rostock, Germany
| | - Rainer Bader
- Department of Orthopaedics, Rostock University Medical Center, Rostock, Germany
| | - Daniel Kluess
- Department of Orthopaedics, Rostock University Medical Center, Rostock, Germany
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Park JW, Won SH, Moon SY, Lee YK, Ha YC, Koo KH. Burden and future projection of revision Total hip Arthroplasty in South Korea. BMC Musculoskelet Disord 2021; 22:375. [PMID: 33888097 PMCID: PMC8063384 DOI: 10.1186/s12891-021-04235-3] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/15/2020] [Accepted: 04/09/2021] [Indexed: 01/16/2023] Open
Abstract
Background The annual number of hip arthroplasties is increasing combined with the aging population worldwide. In accordance with the increasing number of primary hip arthroplasties, the number of revision total hip arthroplasties (THAs) is expected to increase. The incidence and burden of revision THAs in the United States and have been reported by registry studies. To identify potential differences according to ethnics and regional practice, it is important to obtain data from East Asia. Nevertheless, there has been a lack of studies on the burden and future projection of revision THA based on a large-scale database in East Asia. The purpose of this study was to evaluate annual incidence and burden of revision THAs and to project the future burden in South Korea. Methods We identified primary THAs, primary hemiarthroplasties (HAs) and revision THAs, which were performed from 2010 to 2018, using database of Health Insurance and Review and Assessment (HIRA); nation-wide medical claim system of South Korea. The annual incidence rates (per 100,000) of primary THA, primary HA and revision THA, and the annual burden of revision THA; the number of revision THAs divided by the sum of primary hip arthroplasties and revision THAs, were calculated. The future burden of revision THAs were projected through 2030 using generalized linear model with Quasi-poisson regression. Results During the 9-year period, the annual incidences of primary THA, primary HA and revision THA increased by 47, 29 and 3%, respectively, while the revision burden decreased from 0.13 to 0.10. Compared to 2018, the annual incidences of primary THA, HA, and revision THA were projected to increase by 7.2, 2.3 and 1.1% per year, respectively, whereas the burden of revision THA was projected to decrease to 0.07 in 2030. Conclusion Trends of revision THA in South Korea were similar with those of national registry studies from the United States. The annual incidence of revision THA has steadily increased, whereas its burden has decreased. Findings of our study could be used for epidemiological comparison between Western countries and East Asia as well as for the establishment of medical policies of revision THA in East Asian countries. Supplementary Information The online version contains supplementary material available at 10.1186/s12891-021-04235-3.
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Affiliation(s)
- Jung-Wee Park
- Department of Orthopaedic Surgery, Seoul National University Bundang Hospital, Seongnam, South Korea
| | - Seok-Hyung Won
- Department of Orthopaedic Surgery, Seoul National University Bundang Hospital, Seongnam, South Korea
| | - Sun-Young Moon
- Department of Public Health Science, Complex Disease and Genome Epidemiology Branch, School of Public Health, Seoul National University, Seoul, 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 Bundang Hospital, Seongnam, South Korea.,Department of Orthopaedic Surgery, Seoul National University College of Medicine, Seoul, South Korea
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Patient-reported Outcomes Associated With Preoperative Opioid Use in Revision Total Hip Arthroplasty: A Propensity Score-Matched Cohort Study. J Am Acad Orthop Surg 2021; 29:e330-e336. [PMID: 32925382 DOI: 10.5435/jaaos-d-20-00823] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/09/2020] [Accepted: 08/11/2020] [Indexed: 02/01/2023] Open
Abstract
BACKGROUND Opioid use is a public health crisis in the United States and an area of increased focus within the arthroplasty literature. The aim of this study was to investigate the effect of preoperative opioid use on patient-reported outcome measures (PROMs) before and after revision total hip arthroplasty (THA). METHODS A total of 381 consecutive revision THA patients with both preoperative and postoperative PROMs were identified. Because of differences in baseline characteristics, 104 opioid users were matched to 208 nonusers using nearest-neighbor propensity score matching. RESULTS Propensity score-matched opioid users had significantly lower preoperative PROMs than the nonuser for hip disability and osteoarthritis outcome score physical function (53.2 versus 60.1, P < 0.01) and patient-reported outcomes measurement information system (PROMIS) short form (SF) Physical (38.5 versus 43.2, P < 0.01). Postoperatively, opioid users demonstrated significantly lower scores across all PROMs: hip disability and osteoarthritis outcome score physical function (58.1 versus 70.0, P < 0.001), PROMIS SF Physical (40.3 versus 48.4, P < 0.001), and PROMIS SF Mental (43.7 versus 53.2, P < 0.001). Propensity score-matched opioid users demonstrated an increased hospital stay (P = 0.04). DISCUSSION Revision THA patients who use opioids preoperatively have notably lower preoperative and postoperative outcome scores compared with propensity score-matched nonusers. As opioid use has the potential to be a modifiable factor, it would be important to counsel patients on the benefit of minimizing or eliminating opioid use preoperatively to optimize outcome after revision THA.
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Mayer AS, Erb S, Kim RH, Dennis DA, Shirname-More L, Pratte KA, Barker EA, Maier LA, Pacheco KA. Sensitization to Implant Components Is Associated with Joint Replacement Failure: Identification and Revision to Nonallergenic Hardware Improves Outcomes. THE JOURNAL OF ALLERGY AND CLINICAL IMMUNOLOGY-IN PRACTICE 2021; 9:3109-3117.e1. [PMID: 33744472 DOI: 10.1016/j.jaip.2020.12.068] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/23/2020] [Revised: 12/11/2020] [Accepted: 12/29/2020] [Indexed: 10/21/2022]
Abstract
BACKGROUND Over 90% of one million annual US joint replacements are highly successful. Nonetheless, 10% do poorly owing to infection or mechanical issues. Many implant components are sensitizers, and sensitization could also contribute to implant failure. OBJECTIVE To determine the prevalence of implant sensitization in joint failure patients, their clinical characteristics, and implant revision outcomes. We hypothesized that sensitized patients would improve when revised with nonallergenic materials. METHODS We prospectively enrolled 105 joint failure patients referred by orthopedic surgeons who had already excluded infection or mechanical causes. Patients provided informed consent, completed a history and physical examination, patch testing to metals and bone cement, and a nickel lymphocyte proliferation test. A study coordinator was able to contact 64% of patients (n = 67) 9 to 12 months later to evaluate outcomes. RESULTS A total of 59% were sensitized to an implant component: 32% to metal and 37% to bone cement. The nickel lymphocyte proliferation test was 60% sensitive and 96% specific in diagnosing nickel sensitization. Most sensitized subjects reported no or uncertain histories of reactions to a specific material. Implant sensitized patients were younger and reported previous eczema, joint itching, and implant loosening. By 9 to 12 months later, most patients with a revised implant (revised) described significant improvement (16 of 22 revised for sensitization [P = .0003] vs 9 of 13 revised without sensitization [P = .047]) compared with patients without implant revision). All revised patients with sensitization used components to which they were not sensitized. Pain (P = .001), swelling (P = .035), and instability (P = .006) were significantly reduced in the revised sensitized group. CONCLUSIONS Sensitization to implant components is an important cause of unexplained joint replacement failure. Joint revisions based on sensitization information resulted in significant improvements.
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Affiliation(s)
- Annyce S Mayer
- Division of Environmental and Occupational Health Sciences, Department of Medicine, National Jewish Health, Denver, Colo; Division of Environmental and Occupational Health, University of Colorado School of Medicine, School of Public Health, Aurora, Colo
| | - Samantha Erb
- Graduate Medical Education, Northside Hospital, St Petersburg, Fla
| | | | - Douglas A Dennis
- Department of Bioengineering, Daniel Felix Ritchie School of Engineering and Computer Science, University of Denver, Denver, Colo; Department of Orthopedics, CU Anschutz School of Medicine, Aurora, Colo
| | - Lata Shirname-More
- Division of Environmental and Occupational Health Sciences, Department of Medicine, National Jewish Health, Denver, Colo
| | | | - Elizabeth A Barker
- Division of Environmental and Occupational Health Sciences, Department of Medicine, National Jewish Health, Denver, Colo
| | - Lisa A Maier
- Division of Environmental and Occupational Health Sciences, Department of Medicine, National Jewish Health, Denver, Colo; Division of Environmental and Occupational Health, University of Colorado School of Medicine, School of Public Health, Aurora, Colo; Division of Pulmonary Sciences and Critical Care Medicine, Department of Medicine, School of Medicine, University of Colorado Denver, Aurora, Colo
| | - Karin A Pacheco
- Division of Environmental and Occupational Health Sciences, Department of Medicine, National Jewish Health, Denver, Colo; Division of Environmental and Occupational Health, University of Colorado School of Medicine, School of Public Health, Aurora, Colo.
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Zhang C, Xiao J. Application of fast-track surgery combined with a clinical nursing pathway in the rehabilitation of patients undergoing total hip arthroplasty. J Int Med Res 2020; 48:300060519889718. [PMID: 31939326 PMCID: PMC7254164 DOI: 10.1177/0300060519889718] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/21/2023] Open
Abstract
Objective Methods Results Conclusion
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Affiliation(s)
- Chunhua Zhang
- Department of Plastic Surgery, Nanfang Hospital, Southern Medical University, Guangzhou, Guangdong, China
| | - Jun Xiao
- Department of Joint Osteopathy, Nanfang Hospital, Southern Medical University, Guangzhou, Guangdong, China
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30
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Amanatullah DF, Lawson KA, Li Z, SooHoo NF, Bini SA, Huddleston JI. Risk Adjustment in the California Joint Replacement Registry: Is Patient Complexity Accurately Assessed in Academic Versus Nonacademic Hospitals? J Arthroplasty 2020; 35:3437-3444. [PMID: 32739083 DOI: 10.1016/j.arth.2020.06.075] [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: 04/11/2020] [Revised: 06/09/2020] [Accepted: 06/24/2020] [Indexed: 02/02/2023] Open
Abstract
BACKGROUND We sought to report on the differences in observed versus expected arthroplasty outcomes between academic and nonacademic hospitals in a large joint registry. We utilized the California Joint Replacement Registry's data and risk adjustment model. METHODS Observed versus expected hip and knee arthroplasty complications were utilized to assess hospital and surgeon risk-adjusted complication rates (RACRs). Based on a hospital and surgeon RACR, each was assigned a performance rating ("worse," "expected," "better"). Associations between academic status and performance ratings, rates of individual complications, prevalence of risk factors associated with increased complication rates, and differences in complication rates were calculated. RESULTS A higher percentage of academic providers had "worse" than expected ratings, whereas a higher percentage of nonacademic providers had "expected" and "better" than expected ratings (P = .011) based on the observed versus expected complication rates. There was a higher incidence of patients with congestive heart failure and an elevated American Society of Anesthesiologists classification in academic institutions (P = .0001). The complication rate was higher in academic institutions for all total knee arthroplasties (P < .0016). CONCLUSIONS We identified disparities in RACRs between nonacademic and academic institutions. This may reflect the difficulty of fully adjusting for medical risk and surgical complexity in a large arthroplasty database.
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Affiliation(s)
- Derek F Amanatullah
- Department of Orthopaedic Surgery, Stanford University School of Medicine, Stanford, CA
| | - Kevin A Lawson
- Department of Orthopaedic Surgery, Stanford University School of Medicine, Stanford, CA
| | - Zhongman Li
- School of Medicine, University of California Davis Medical Center, Sacramento, CA
| | - Nelson F SooHoo
- Department of Orthopaedic Surgery, David Geffen School of Medicine at UCLA, Los Angeles, CA
| | - Stefano A Bini
- Department of Orthopaedic Surgery, UCSF School of Medicine, San Francisco, CA
| | - James I Huddleston
- Department of Orthopaedic Surgery, Stanford University School of Medicine, Stanford, CA
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Shoji T, Ota Y, Saka H, Murakami H, Takahashi W, Yamasaki T, Yasunaga Y, Iwamori H, Adachi N. Factors affecting impingement and dislocation after total hip arthroplasty - Computer simulation analysis. Clin Biomech (Bristol, Avon) 2020; 80:105151. [PMID: 32836081 DOI: 10.1016/j.clinbiomech.2020.105151] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/08/2020] [Revised: 08/06/2020] [Accepted: 08/13/2020] [Indexed: 02/07/2023]
Abstract
BACKGROUND Studies on the causes and factors affecting dislocation after total hip arthroplasty have revealed conflicting results. The purpose of this study was to evaluate the factors affecting impingement and dislocation after total hip arthroplasty, using a 3-dimensional dynamic motion analysis. METHODS The CT data of 53 patients (53 hips: anterior dislocation; 11 cases, and posterior dislocation; 42 cases) who experienced hip dislocation after total hip arthroplasty with posterior approach, and 120 control patients (120 hips) without dislocation were analyzed. Parameters related to implant alignment, offset and leg length were evaluated. The impingement type was also analyzed using a software. FINDINGS Considering implant settings affecting dislocation, patients at risk for posterior dislocation had decreased stem anteversion, combined anteversion, femoral offset, and leg length. Nevertheless, patients at risk for anterior dislocation had only lower leg length, and these patients may also be at risk for a higher incidence of recurrent dislocation. Bony impingement occurred in almost half of the cases with posterior dislocation, while implant impingement was associated with anterior dislocation. Importantly, anterior dislocation was not as common as posterior dislocation even in cases with occurrence of posterior impingement. INTERPRETATION Bony impingement substantially affects dislocation even in the situation where the implant position and alignment are determined by the so-called "safe zone", especially on the anterior side, while implant impingement affects anterior dislocation. The restoration of anterior offset (i.e., prescribed by the stem anteversion and femoral offset) and combined anteversion is critical for avoidance of posterior dislocation after total hip arthroplasty.
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Affiliation(s)
- Takeshi Shoji
- Department of Orthopaedic Surgery, Graduate School of Biomedical Sciences, Hiroshima University, 1-2-3 Kasumi, Minami-ku, Hiroshima 734-8551, Japan.
| | - Yuki Ota
- Department of Orthopaedic Surgery, Graduate School of Biomedical Sciences, Hiroshima University, 1-2-3 Kasumi, Minami-ku, Hiroshima 734-8551, Japan
| | - Hideki Saka
- Department of Orthopaedic Surgery, Graduate School of Biomedical Sciences, Hiroshima University, 1-2-3 Kasumi, Minami-ku, Hiroshima 734-8551, Japan
| | - Hiroaki Murakami
- Department of Orthopaedic Surgery, Chuden Hospital, 3-4-27 Otemachi, Naka-ku, Hiroshima 730-8562, Japan
| | - Wakan Takahashi
- Department of Orthopaedic Surgery, Chuden Hospital, 3-4-27 Otemachi, Naka-ku, Hiroshima 730-8562, Japan
| | - Takuma Yamasaki
- Department of Orthopaedic Surgery, Kure Medical Center and Chugoku Cancer Center, 3-1 Aoyama town, Kure city, Hiroshima 737-0023, Japan
| | - Yuji Yasunaga
- Department of Orthopaedic Surgery, Hiroshima Prefectural Rehabilitation Center, 295-3 Taguchi, Saijo-town, Higashi-hiroshima 739-0036, Japan
| | - Hiroshi Iwamori
- Department of Orthopaedic Surgery, Chuden Hospital, 3-4-27 Otemachi, Naka-ku, Hiroshima 730-8562, Japan
| | - Nobuo Adachi
- Department of Orthopaedic Surgery, Graduate School of Biomedical Sciences, Hiroshima University, 1-2-3 Kasumi, Minami-ku, Hiroshima 734-8551, Japan
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Durand-Hill M, Henckel J, Di Laura A, Hart AJ. Can custom 3D printed implants successfully reconstruct massive acetabular defects? A 3D-CT assessment. J Orthop Res 2020; 38:2640-2648. [PMID: 32427351 DOI: 10.1002/jor.24752] [Citation(s) in RCA: 20] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/29/2019] [Revised: 04/28/2020] [Accepted: 05/08/2020] [Indexed: 02/04/2023]
Abstract
We report on the accuracy, measured with three-dimensional (3D) computed tomography (CT) postoperatively, in positioning custom 3D printed titanium components in patients with large acetabular defects. Twenty patients (13 females and 7 males) received custom-made acetabular implants between 2016 and 2018; the mean age was 66 years (SD = 11.6) and their mean body mass index was 28 (SD = 6.1). The median time to follow up was 25.5 months, range: 12 to 40 months. We describe a comparison method that uses the 3D models of CT-generated preoperative plans and the postoperative CT scans to quantify the discrepancy between planned and achieved component positions. Our primary outcome measures were the 3D-CT-measured difference between planned and achieved a component position in six degrees of freedom: center of rotation (CoR), component rotation, inclination (INC), and version (VER) of the cup. Our secondary outcome measures were: Oxford hip score, walking status, and complication rate. All components (100%) were positioned within 10 mm of planned CoR (in the three planes). Eighteen (95%) components were not rotated by more than 10° compared to the plan. Eleven (58%) components were positioned within 5° of planned cup angle (INC and VER). To date one complication has occurred, a periprosthetic fracture. This is the largest study in which postoperative 3D-CT measurements and clinical outcomes of custom-made acetabular components have been assessed. Accurate pre-op planning and the adoption of custom 3D printed implants show promising results in complex hip revision surgery.
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Affiliation(s)
- Matthieu Durand-Hill
- Institute of Orthopaedics and Musculoskeletal Science, University College London
| | | | - Anna Di Laura
- Institute of Orthopaedics and Musculoskeletal Science, University College London
| | - Alister J Hart
- Institute of Orthopaedics and Musculoskeletal Science, University College London.,Royal National Orthopaedic Hospital, Stanmore, UK
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Mahajan SM, Mahajan A, Nguyen C, Bui J, Abbott BT, Osborne TF. Predictive models for identifying risk of readmission after index hospitalization for hip arthroplasty: A systematic review. J Orthop 2020; 22:73-85. [PMID: 32280173 PMCID: PMC7139132 DOI: 10.1016/j.jor.2020.03.045] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/12/2020] [Accepted: 03/25/2020] [Indexed: 12/18/2022] Open
Abstract
BACKGROUND An aging United States population profoundly impacts healthcare from both a medical and financial standpoint, especially with an increase in related procedures such as Total Hip Arthroplasty (THA). The Hospital Readmission Reduction Program and Comprehensive Care for Joint Replacement Program incentivize hospitals to decrease post-operative readmissions by correlating reimbursements with smoother care transitions, thereby decreasing hospital burden and improving quantifiable patient outcomes. Many studies have proposed predictive models built upon risk factors for predicting 30-day THA readmissions. QUESTIONS (1) Are there validated statistical models that predict 30-day readmissions for THA patients when appraised with a standards-based, reliable assessment tool?. (2) Which evidence-based factors are significant and have support across models for predicting risk of 30-day readmissions post-THA? METHODS Five major electronic databases were searched to identify studies that examined correlations between post-THA readmission and risk factors using multivariate models. We rigorously applied the PRISMA methodology and TRIPOD criteria for assessment of the prognostic studies. RESULTS We found 26 studies that offered predictive models, of which two presented models tested with validation cohorts. In addition to the many factors grouped into demographic, administrative, and clinical categories, bleeding disorder, higher ASA status, discharge disposition, and functional status appeared to have broad and significant support across the studies. CONCLUSIONS Reporting of recent predictive models establishing risk factors for 30-day THA readmissions against the current standard could be improved. Aside from building better performing models, more work is needed to follow the thorough process of undergoing calibration, external validation, and integration with existing EHR systems for pursuing their use in clinical settings. There are several risk factors that are significant in multiple models; these factors should be closely examined clinically and leveraged in future risk modeling efforts.
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Affiliation(s)
- Satish M. Mahajan
- Veterans Affairs Palo Alto Health Care System, Building 100, Office C3-125, 3801 Miranda Ave, Palo Alto, CA, 94304, USA
| | - Amey Mahajan
- C2OPS, Inc., 22031 Rae Ln, Cupertino, CA, 95014, USA
| | - Chantal Nguyen
- George Washington University School of Medicine and Health Sciences, 2300 I Street NW, Washington D.C., 20052, USA
| | - Justin Bui
- Lake Erie College of Osteopathic Medicine at Bradenton, 5000 Lakewood Ranch Boulevard, Bradenton, FL, 34211, USA
| | - Bruce T. Abbott
- University of California, Davis, Blaisdell Medical Library, 4610 X St, Sacramento, CA, 95817, USA
| | - Thomas F. Osborne
- Veterans Affairs Palo Alto Health Care System, Building 101, Office C2-139, 3801 Miranda Ave, Palo Alto, CA, 94304, USA
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Evidence-Based Hospital Procedural Volumes as Predictors of Outcomes After Revision Hip Arthroplasty. J Arthroplasty 2020; 35:2952-2959. [PMID: 32507450 DOI: 10.1016/j.arth.2020.05.008] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/25/2020] [Revised: 04/09/2020] [Accepted: 05/03/2020] [Indexed: 02/07/2023] Open
Abstract
BACKGROUND The aim of this study is to define the evidence-based institutional volume-outcome relationship in revision hip arthroplasty. We hypothesized that high-volume centers would be associated with superior outcomes, and that stratum-specific likelihood ratio (SSLR) analysis would delineate concrete volume thresholds for optimizing outcomes. METHODS The Nationwide Readmission Database was queried from 2011 to 2016 for patients undergoing revision hip arthroplasty. SSLR analysis was used to determine hospital volume cutoffs specific for outcomes of interest. Volume categories were confirmed with multivariate regression. RESULTS SSLR analysis produced distinct hospital volume cutoffs for all outcomes. Each subsequent volume threshold diminished patients' risk for adverse outcomes. Tertiles were identified for 90-day infection (≤6, 7-51, ≥52 cases per year). Quartiles were found for 90-day readmission (≤5, 6-15, 16-79, ≥80), 90-day prosthesis-related complication (≤5, 6-16, 17-65, ≥66), 90-day dislocation (≤5, 6-19, 20-79, ≥80), and non-home discharge (≤5, 6-15, 16-40, and ≥41). Quintiles were generated for extended length of stay >2 days (≤2, 3-10, 11-20, 21-30, ≥31). Heptiles were produced for medical complications within 90 days (≤2, 3-8, 9-16, 17-51, 52-89, ≥90). CONCLUSION This is the first known study to define evidence-based thresholds for the impact of hospital volume on revision joint arthroplasty. This supports the notion that institutional volume functions as a surrogate for protocolized interdisciplinary coordination of care and surgical experience, and that high-volume centers offer enhanced outcomes for complex cases. Additional studies should investigate the potential role for incentivization of such institutions, as they offer optimal outcomes for revision hip arthroplasty.
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Vigdorchik JM, Sharma AK, Madurawe CS, Elbuluk AM, Baré JV, Pierrepont JW. Does Prosthetic or Bony Impingement Occur More Often in Total Hip Arthroplasty: A Dynamic Preoperative Analysis. J Arthroplasty 2020; 35:2501-2506. [PMID: 32507449 DOI: 10.1016/j.arth.2020.05.009] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/21/2020] [Revised: 04/23/2020] [Accepted: 05/03/2020] [Indexed: 02/02/2023] Open
Abstract
BACKGROUND Impingement is a leading cause for instability resulting in revision total hip arthroplasty (THA). Impingement can be prosthetic, bony, or soft tissue. The purpose of this study is to investigate, using a virtual simulation, whether bony or prosthetic impingement presents first in well-positioned THAs. METHODS Twenty-three patients requiring THA were planned for a ceramic-on-poly cementless construct using dynamic planning software. Cups were orientated at 45° inclination and 25° anteversion when standing. Femoral components and neck lengths were positioned to reproduce native anteversion and match contralateral leg length and offset. The type and location of impingement was then recorded with recreation of anterior and posterior impingement during standard and extreme ranges of motion (ROM). RESULTS In standard ROM, flexion produced both prosthetic and bony impingement and extension resulted in prosthetic impingement in models with lipped liners. In extreme ROM, anterior impingement was 78% bony in 32-mm articulations, and 88% bony in 36-mm articulations. Posterior impingement was 65% prosthetic in 32-mm articulations, and 55% prosthetic in 36-mm articulations. Dual mobility cups showed the greatest risk of posterior prosthetic impingement in hyperextension (74%). CONCLUSION In standard ROM, both bony and prosthetic impingement occurred in flexion, while prosthetic impingement occurred in extension in models with lipped liners. In hyperextension, prosthetic impingement was more common than bony impingement, and was exclusively the cause of impingement when a lip was used. In flexion, impingement was primarily bony with the use of a 36-mm head. The risk of posterior prosthetic impingement was greatest with dual mobility cups. LEVEL OF EVIDENCE 3.
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Affiliation(s)
- Jonathan M Vigdorchik
- Adult Reconstruction and Joint Replacement Service, Hospital for Special Surgery, Adult Reconstruction and Joint Replacement Service, New York, NY
| | - Abhinav K Sharma
- Adult Reconstruction and Joint Replacement Service, Hospital for Special Surgery, Adult Reconstruction and Joint Replacement Service, New York, NY
| | | | - Ameer M Elbuluk
- Adult Reconstruction and Joint Replacement Service, Hospital for Special Surgery, Adult Reconstruction and Joint Replacement Service, New York, NY
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Barriers to Revision Total Hip Service Lines: A Surgeon's Perspective Through a Deterministic Financial Model. Clin Orthop Relat Res 2020; 478:1657-1666. [PMID: 32574471 PMCID: PMC7310415 DOI: 10.1097/corr.0000000000001273] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/31/2023]
Abstract
BACKGROUND Revision THA represents approximately 5% to 10% of all THAs. Despite the complexity of these procedures, revision arthroplasty service lines are generally absent even at high-volume orthopaedic centers. We wanted to evaluate whether financial compensation is a barrier for the development of revision THA service lines as assessed by RVUs. QUESTIONS/PURPOSES Therefore, we asked: (1) Are physicians fairly compensated for revision THA on a per-minute basis compared with primary THA? (2) Are physicians fairly compensated for revision THA on a per-day basis compared with primary THA? METHODS Our deterministic financial model was derived from retrospective data of all patients undergoing primary or revision THA between January 2016 and June 2018 at an academic healthcare organization. Patients were divided into five cohorts based on their surgical procedure: primary THA, head and liner exchange, acetabular component revision THA, femoral component revision THA, and combined femoral and acetabular component revision THA. Mean surgical times were calculated for each cohort, and each cohort was assigned a relative value unit (RVU) derived from the 2018 Center for Medicaid and Medicare assigned RVU fee schedule. Using a combination of mean surgical time and RVUs rewarded for each procedure, three models were developed to assess the financial incentive to perform THA services for each cohort. These models included: (1) RVUs earned per the mean surgical time, (2) RVUs earned for a single operating room for a full day of THAs, and (3) RVUs earned for two operating rooms for a full day of primary THAs versus a single rooms for a full day of revision THAs. A sixth cohort was added in the latter two models to more accurately reflect the variety in a typical surgical day. This consisted of a blend of revision THAs: one acetabular, one femoral, and one full revision. The RVUs generated in each model were compared across the cohorts. RESULTS Compared with primary THA by RVU per minute, in revision THA, head and liner exchange demonstrated a 4% per minute deficit, acetabular component revision demonstrated a 29% deficit, femoral component revision demonstrated a 32% deficit, and full revision demonstrated a 27% deficit. Compared with primary service lines with one room, revision surgeons with a variety of revision THA surgeries lost 26% potential relative value units per day. Compared with a two-room primary THA service, revision surgeons lost 55% potential relative value units per day. CONCLUSIONS In a comparison of relative value units of a typical two-room primary THA service line versus those of a dedicated revision THA service line, we found that revision specialists may lose between 28% and 55% of their RVU earnings. The current Centers for Medicare and Medicaid Services reimbursement model is not viable for the arthroplasty surgeon and limits patient access to revision THA specialists. LEVEL OF EVIDENCE Level III, economic and decision analysis.
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Baumann CA, Crist BD. Nickel allergy to orthopaedic implants: A review and case series. J Clin Orthop Trauma 2020; 11:S596-S603. [PMID: 32774035 PMCID: PMC7394811 DOI: 10.1016/j.jcot.2020.02.008] [Citation(s) in RCA: 19] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/21/2019] [Accepted: 02/20/2020] [Indexed: 12/21/2022] Open
Abstract
Many of the metals used in orthopaedic surgical implants are immunologically active and can cause hypersensitivity reactions. Most of these metal hypersensitivity (MHS) reactions are type IV/delayed-type hypersensitivity reactions. The most common form of all metal hypersensitivity reactions is allergic contact dermatitis (ACD) caused by nickel. The purpose of this review is to examine the evidence regarding hypersensitivity to orthopaedic implants and provide current recommendations for evaluating these patients. We report on four case examples of patients where it was determined that metal allergy led to complications related to surgery. The most common symptoms for patients with MHS-associated failures are localized soft tissue reaction including delayed wound healing and/or recurrent wound issues. The best way to avoid postoperative issues is to routinely ask patients prior to surgery if they have any known MHS including problems with cosmetic jewelry. If this is known before surgery, titanium or carbon fiber implants should be used for fracture fixation and arthroplasty implantation choice should be modified based on the specific arthroplasty performed. MHS-associated failures are a diagnosis of exclusion and must be contemplated after judicious workup of localized soft tissue reaction including delayed wound healing and/or recurrent wound issues.
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Affiliation(s)
| | - Brett D. Crist
- University of Missouri, Department of Orthopaedic Surgery, Columbia, MO, USA,Corresponding author. University of Missouri Department of Orthopaedic Surgery, One Hospital Drive, N119, Columbia, MO, 65212, USA.
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Bernstein J, Feng J, Mahure S, Schwarzkopf R, Long WJ. Revision Total Knee Arthroplasty Is Associated With Significantly Higher Opioid Consumption as Compared With Primary Total Knee Arthroplasty in the Acute Postoperative Period. Arthroplast Today 2020; 6:172-175. [PMID: 32420435 PMCID: PMC7218159 DOI: 10.1016/j.artd.2020.04.001] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/16/2020] [Revised: 03/18/2020] [Accepted: 04/02/2020] [Indexed: 12/27/2022] Open
Abstract
BACKGROUND There is a scarcity of studies investigating narcotic use after revision total knee arthroplasty (TKA). We compared immediate postsurgical narcotic consumption after revision TKA and primary TKA. METHODS A single-institution database was used to identify patients who underwent revision TKA or primary TKA between 2016 and 2019. Morphine milligram equivalents (MMEs) were calculated to discern narcotic usage, and pain visual analog score was also used. RESULTS A total of 7342 cases were identified: 88.65% primary TKA and 11.35% revision TKA. Opioid consumption for the first 24 hours postoperatively was significantly higher for the revision TKA group (133.1 MMEs vs 56.14 MMEs, P < .0001), as well as for the 24- to 48-hour time period. The visual analog pain scores were also higher for the revision TKA group. CONCLUSION The revision TKA group had a higher opioid requirement, most significant during the first 24 hours postoperatively, and expressed more pain in the acute postoperative period.
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Affiliation(s)
- Jenna Bernstein
- NYU Langone, Department of Orthopedics – Division of Adult Joint Reconstruction, New York, NY, USA
| | - James Feng
- NYU Langone, Department of Orthopedics – Division of Adult Joint Reconstruction, New York, NY, USA
| | - Siddharth Mahure
- NYU Langone, Department of Orthopedics – Division of Adult Joint Reconstruction, New York, NY, USA
| | - Ran Schwarzkopf
- NYU Langone, Department of Orthopedics – Division of Adult Joint Reconstruction, New York, NY, USA
| | - William J. Long
- NYU Langone, Department of Orthopedics – Division of Adult Joint Reconstruction, New York, NY, USA
- Insall-Scott-Kelly Institute, New York, NY, USA
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Kim JH, Lee DH. Are high-risk patient and revision arthroplasty effective indications for closed-incisional negative-pressure wound therapy after total hip or knee arthroplasty? A systematic review and meta-analysis. Int Wound J 2020; 17:1310-1322. [PMID: 32406175 DOI: 10.1111/iwj.13393] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/20/2020] [Accepted: 04/02/2020] [Indexed: 12/21/2022] Open
Abstract
To determine the effective indications of closed-incisional negative-pressure wound therapy (ciNPWT) following total hip or knee arthroplasty, this systematic review and meta-analysis was conducted. The systematic search was performed on MEDLINE, Embase, and Cochrane Library, and 11 studies were included. The studies comparing between ciNPWT and conventional dressings were categorised into following subgroups based on patient risk and revision procedures: routine vs high-risk patient; primary vs revision arthroplasty. Pooled estimates were calculated for wound complication and surgical site infection (SSI) rates in the subgroup analyses using Review Manager. In high-risk patients, the overall rates of wound complication (odds ratio [OR] = 0.38; 95% confidence interval [CI] 0.15-0.93; P = .030) and SSI (OR = 0.24; 95% CI = 0.09-0.64; P = .005) were significantly lower in the ciNPWT; however, there were no differences in routine patients. In cases involving revision arthroplasties, the overall rates of wound complication (OR = 0.33; 95% CI = 0.18-0.62; P < .001) and SSI (OR = 0.26; 95% CI = 0.11-0.66; P = .004) were significantly lower in the ciNPWT; however, there were no differences in cases involving primary arthroplasties. In summary, ciNPWT showed a positive effect in decreasing the rates of wound complication and SSI in high-risk patients and in revision arthroplasties.
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Affiliation(s)
- Jun-Ho Kim
- Department of Orthopedic Surgery, Seoul Medical Center, Seoul, South Korea
| | - Dae-Hee Lee
- Department of Orthopaedic Surgery, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, South Korea
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A retrospective study comparing a single surgeon's experience on manual versus robot-assisted total hip arthroplasty after the learning curve of the latter procedure – A cohort study. Int J Surg 2020; 77:174-180. [DOI: 10.1016/j.ijsu.2020.03.067] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/14/2019] [Revised: 03/24/2020] [Accepted: 03/26/2020] [Indexed: 11/19/2022]
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Hsiue PP, Chen CJ, Villalpando C, Ponzio D, Khoshbin A, Stavrakis AI. Trends and patient factors associated with technology-assisted total hip arthroplasty in the United States from 2005 to 2014. Arthroplast Today 2020; 6:112-117.e1. [PMID: 32211486 PMCID: PMC7083725 DOI: 10.1016/j.artd.2019.12.009] [Citation(s) in RCA: 22] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/02/2019] [Revised: 12/07/2019] [Accepted: 12/27/2019] [Indexed: 01/14/2023] Open
Abstract
Background Technology-assisted total hip arthroplasty (TA-THA) using either computer-assisted navigation or robotic assistance has become increasingly more popular. The purpose of this study was to examine the trends and patient factors associated with TA-THA. Methods This is a retrospective review utilizing the National Inpatient Sample, a large national database incorporating inpatient hospitalization information. International Classification of Diseases, 9th Revision codes were used to identify patients with hip osteoarthritis who underwent primary total hip arthroplasty (THA). Patients were then separated into those who underwent TA-THA or conventional THA. Outcomes of interest included annual TA-THA utilization; patient and hospital characteristics associated with TA-THA; and trends for length of stay (LOS), cost, and discharge to home. Results From 2005 to 2014, a total of 2,588,304 patients with hip osteoarthritis who underwent THA were identified in the National Inpatient Sample database. Of those, 39,700 (1.5%) underwent TA-THA. The number of TA-THA procedures increased from 178 (0.1% of all THA) in 2005 to 10,045 (3.0% of all THA) in 2014, which represented a 30-fold increase in incidence (P-trend <.0001). TA-THA was associated with Hispanic race, higher patient income, and the Western region of the United States. During the study period, there was a trend toward decreased LOS and increased discharge to home for both TA-THA and conventional THA. TA-THA was associated with higher inpatient cost. Conclusion TA-THA is being increasingly used in the United States and is associated with specific patient factors. However, the value of TA-THA compared to conventional THA remains unclear and should be assessed with future research. Level of Evidence III (retrospective cohort study).
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Affiliation(s)
- Peter P. Hsiue
- Department of Orthopaedic Surgery, David Geffen School of Medicine at the University of California Los Angeles, Los Angeles, CA, USA
- Corresponding author. Department of Orthopaedic Surgery, David Geffen School of Medicine at the University of California Los Angeles, 10833 Le Conte Avenue, 76-143 CHS, Los Angeles, CA 90095, USA. Tel.: +310-825-6557.
| | - Clark J. Chen
- Department of Orthopaedic Surgery, David Geffen School of Medicine at the University of California Los Angeles, Los Angeles, CA, USA
| | - Cristina Villalpando
- Department of Orthopaedic Surgery, David Geffen School of Medicine at the University of California Los Angeles, Los Angeles, CA, USA
| | - Danielle Ponzio
- Rothman Institute at Thomas Jefferson University, Egg Harbor Township, NJ, USA
| | - Amir Khoshbin
- Division of Orthopaedic Surgery, University of Toronto, Toronto, ON, Canada
| | - Alexandra I. Stavrakis
- Department of Orthopaedic Surgery, David Geffen School of Medicine at the University of California Los Angeles, Los Angeles, CA, USA
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Dlaska CE, Jovanovic IA, Grant AL, Graw G, Wilkinson MP, Doma K, Hazratwala K. Short-term results of a new self-locking cementless femoral stem: a prospective cohort study of the Lima Master SL. Musculoskelet Surg 2020; 105:257-264. [PMID: 32124331 PMCID: PMC8578164 DOI: 10.1007/s12306-020-00651-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/11/2019] [Accepted: 02/22/2020] [Indexed: 11/30/2022]
Abstract
BACKGROUND Total hip arthroplasty is a successful treatment for hip osteoarthritis. Primary and secondary implant fixation is dependent on implant design and plays an important role in the longevity of an implant. In this study, we assessed the self-locking cementless MasterSL femoral stem. MATERIALS AND METHODS In this single-centre prospective study, 50 consecutive hips with the indication for total hip arthroplasty, who met the inclusion criteria, received the MasterSL stem from LIMA Corporate. Patients had pre- and post-operative clinical and radiological assessment and completed patient-reported outcome measures [Oxford Hip Score (OHS), Harris Hip Score (HHS) and Forgotten Joint Score (FJS)] at the 6-week and 6-, 12- and 24-month mark. Post-operative X-rays were assessed for osteointegration (Engh Score), alignment and subsidence. RESULTS After 2 years, aseptic survival was 100%. One hip had to be explanted due to early deep infection and was excluded from the study. At 2 years, the patients reported a significant improved HHS and OHS of 95.3 ± 5.8 and 46.1 ± 3.6 (mean ± standard deviation), respectively, compared to preoperatively. The mean ± standard deviation for the FJS was 86.4 ± 18.7 with two-thirds of the patients reporting a score above 85. The mean Engh score is 15.1 ± 5.9 (mean ± standard deviation) with no patient scoring below 1 which suggests good osteointegration in all femoral stems. CONCLUSIONS The MasterSL femoral stem performed well in this short-term follow-up study, with high patient satisfaction and good signs of osteointegration. Long-term follow-up will be necessary to evaluate longevity. LEVEL OF EVIDENCE Level 3, Prospective cohort study. TRIAL REGISTRATION The study was registered on the 30.03.2016 with Australia New Zealand Clinical Trials Registry (ACTRN12617000550303).
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Affiliation(s)
- C E Dlaska
- Orthopaedic Research Institute of Queensland, 7 Turner Street, Pimlico, Townsville, QLD, 4812, Australia.
| | - I A Jovanovic
- Orthopaedic Research Institute of Queensland, 7 Turner Street, Pimlico, Townsville, QLD, 4812, Australia.,Department of Orthopaedics, Townsville Hospital, Townsville, Australia
| | - A L Grant
- Orthopaedic Research Institute of Queensland, 7 Turner Street, Pimlico, Townsville, QLD, 4812, Australia
| | - G Graw
- Department of Orthopaedics, Townsville Hospital, Townsville, Australia.,James Cook University, 1 James Cook Drive, Douglas, Townsville, QLD, 4814, Australia
| | - M P Wilkinson
- Orthopaedic Research Institute of Queensland, 7 Turner Street, Pimlico, Townsville, QLD, 4812, Australia.,Department of Orthopaedics, Townsville Hospital, Townsville, Australia.,James Cook University, 1 James Cook Drive, Douglas, Townsville, QLD, 4814, Australia
| | - K Doma
- Orthopaedic Research Institute of Queensland, 7 Turner Street, Pimlico, Townsville, QLD, 4812, Australia.,James Cook University, 1 James Cook Drive, Douglas, Townsville, QLD, 4814, Australia
| | - K Hazratwala
- Orthopaedic Research Institute of Queensland, 7 Turner Street, Pimlico, Townsville, QLD, 4812, Australia.,Department of Orthopaedics, Townsville Hospital, Townsville, Australia.,James Cook University, 1 James Cook Drive, Douglas, Townsville, QLD, 4814, Australia
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Hines JT, Petis SM, Amundson AW, Pagnano MW, Sierra RJ, Abdel MP. Intravenous Tranexamic Acid Safely and Effectively Reduces Transfusion Rates in Revision Total Knee Arthroplasties. J Bone Joint Surg Am 2020; 102:381-387. [PMID: 31977819 DOI: 10.2106/jbjs.19.00857] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/01/2023]
Abstract
BACKGROUND The efficacy and safety of tranexamic acid (TXA) in primary total knee arthroplasty (TKA) have been well established. However, there have been limited data for revision TKAs. The primary aim was to assess the impact of intravenous TXA on transfusion rates and symptomatic venous thromboembolic events (VTEs) in a large revision TKA cohort with or without intravenous TXA utilization. METHODS A retrospective review of revision TKAs performed from 2005 to 2014 was performed, identifying 2,951 procedures (2,219 patients), in which TXA was utilized in 1,144 procedures (39%). The mean age was 65 years with 52% female patients in the TXA revision group and 67 years with 52% female patients in the non-TXA revision group. Transfusion rates and symptomatic VTEs were the primary outcomes assessed. Comparisons were performed between cohorts, utilizing a unique propensity model to mitigate bias, on the basis of TXA use and subsequently for aseptic or septic revision etiology. RESULTS Significant reductions in transfusion rates with use of TXA were identified in revision TKAs overall (13% compared with 39%; p < 0.001 [adjusted relative risk, 1.7]), including revisions for both aseptic etiology (6% with TXA compared with 28% without TXA; p < 0.001) and septic etiology (31% with TXA compared with 54% without TXA; p < 0.001). The risk of a postoperative symptomatic VTE was not significantly different (adjusted p = 0.63) with use of TXA at 11 events (1.0%) compared with 24 events (1.3%) in the non-TXA group). CONCLUSIONS Intravenous TXA significantly reduced transfusion rates in revision TKAs by approximately twofold, including cohorts revised for aseptic and septic etiologies. There was a very low rate of VTEs (1.2%) with no significant difference in the number of VTEs between groups after adjusting risk utilizing propensity modeling. LEVEL OF EVIDENCE Therapeutic Level III. See Instructions for Authors for a complete description of levels of evidence.
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Affiliation(s)
- Jeremy T Hines
- Departments of Orthopedic Surgery (J.T.H., S.M.P., M.W.P., R.J.S., and M.P.A.) and Anesthesiology and Perioperative Medicine (A.W.A), Mayo Clinic, Rochester, Minnesota
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Jurczak P, Witkowska J, Rodziewicz-Motowidło S, Lach S. Proteins, peptides and peptidomimetics as active agents in implant surface functionalization. Adv Colloid Interface Sci 2020; 276:102083. [PMID: 31887572 DOI: 10.1016/j.cis.2019.102083] [Citation(s) in RCA: 27] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/15/2019] [Revised: 12/09/2019] [Accepted: 12/09/2019] [Indexed: 12/14/2022]
Abstract
The recent impact of implants on improving the human life quality has been enormous. During the past two decades we witnessed major advancements in both material and structural development of implants. They were driven mainly by the increasing patients' demand and the need to address the major issues that come along with the initially underestimated complexity of the bone-implant interface. While both, the materials and design of implants reached a certain, balanced state, recent years brought a shift in focus towards the bone-implant interface as the weakest link in the increasing implant long-term usability. As a result, several approaches were developed. They aimed at influencing and enhancing the implant osseointegration and its proper behavior when under load and stress. With this review, we would like to discuss the recent advancements in the field of implant surface modifications, emphasizing the importance of chemical methods, focusing on proteins, peptides and peptidomimetics as promising agents for titanium surface coatings.
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M. Ball A, Yu J. Cost Containment of Total Knee Arthroplasty in the US: DEA Analysis on Regional Cost and Clinical Comparison between 2010 and 2013. Health (London) 2020. [DOI: 10.4236/health.2020.126042] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
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What Are the Contemporary Etiologies for Revision Surgery and Revision After Primary, Noncemented Total Hip Arthroplasty? J Am Acad Orthop Surg 2019; 27:933-938. [PMID: 31805018 DOI: 10.5435/jaaos-d-17-00842] [Citation(s) in RCA: 25] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/01/2023] Open
Abstract
INTRODUCTION Contemporary failure etiologies of primary total hip arthroplasties (THAs) have not been precisely defined because of heterogeneity of referral practices. METHODS A single-institution registry of 4,555 primary, noncemented THAs performed by subspecialty trained arthroplasty surgeons between 2000 and 2012 was analyzed. Only revision surgeries and revisions that occurred after THAs initially performed at the institution were included. RESULTS The estimated 10-year survivorships free from THA revision surgery, modular implant revision, and nonmodular implant revision were 98.2%, 98.1%, and 96.3%, respectively. The most common reasons for revision surgeries were wound-related complications (49%), periprosthetic fracture (25%), and pain (18%). Hip instability (53%) and acute periprosthetic joint infection (26%) were the most common etiologies of revision procedures with isolated exchange of at least one modular implant. The most common reasons for replacement or removal of nonmodular implant were periprosthetic fracture (32%), aseptic loosening (22%), and adverse tissue reaction (17%). DISCUSSION Focusing on primary THAs initially performed by a contemporary, subspecialty practice allowed an accurate determination of etiologies and rates of failure (defined by revision surgery or revision) after THA. LEVEL OF EVIDENCE Level IV.
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Shirani A, Hu Q, Su Y, Joy T, Zhu D, Berman D. Combined Tribological and Bactericidal Effect of Nanodiamonds as a Potential Lubricant for Artificial Joints. ACS APPLIED MATERIALS & INTERFACES 2019; 11:43500-43508. [PMID: 31657539 DOI: 10.1021/acsami.9b14904] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/10/2023]
Abstract
The artificial joints, for example, knee and hip implants, are widely used for the treatment of degenerative joint diseases and trauma. The current most common material choice for clinically used implants is the combination of polymer-on-metal structures. Unfortunately, these joints often suffer from high friction and wear, leading to associated inflammation and infection and ultimate failure of the artificial joints. Here, we propose an alternative solution to this tribologically induced failure of the joint materials. We demonstrate that the friction and wear behavior of ultrahigh-molecular-weight polyethylene (UHMWPE) and titanium tribopair, used to mimic the artificial joint interface, can be improved by introducing nanodiamond (ND) particles in the sliding contact. Characterization of the wear track using energy-dispersive spectroscopy and Raman spectroscopy revealed that the tribofilm formed from embedded NDs during sliding significantly suppressed the wear of the UHMWPE surface. In addition to the improved lubrication characteristics, NDs exhibit high biocompatibility with the bone cells and promising antibacterial properties against Staphylococcus aureus, the most common strain associated with artificial joint infection. These results indicate that NDs can be used as a promising nontoxic human-body lubricant with antiwear and antibacterial features, thus demonstrating their great potential to treat artificial joint complications through intra-articular injection.
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Affiliation(s)
| | | | - Yingchao Su
- Department of Biomedical Engineering , Stony Brook University , Stony Brook , New York 11749 , United States
| | | | - Donghui Zhu
- Department of Biomedical Engineering , Stony Brook University , Stony Brook , New York 11749 , United States
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Johnson RL, Abdel MP, Frank RD, Chamberlain AM, Habermann EB, Mantilla CB. Frailty Index Is Associated With Periprosthetic Fracture and Mortality After Total Knee Arthroplasty. Orthopedics 2019; 42:335-343. [PMID: 31408522 DOI: 10.3928/01477447-20190812-05] [Citation(s) in RCA: 17] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/09/2019] [Accepted: 07/22/2019] [Indexed: 02/03/2023]
Abstract
This cohort study of adult (≥50 years) patients aimed to calculate a validated, preoperative frailty deficit index (FI) and used it to compare outcomes following total knee arthroplasty (TKA), primary and revision, from 2005 through 2016. Using multivariable logistic and Cox regression, the authors analyzed whether FI, adjusted for age, predicts outcomes prior to hospital discharge, within 90 days, and within 365 days. They classified 9818 patients undergoing TKA (7920 primary and 1898 revision; median age, 69 years) as frail (21%), vulnerable (39%), and non-frail (40%). Frail, relative to non-frail, patients were more often female with more systemic diseases (American Society of Anesthesiologists classification, ≥III). While in-hospital, frail patients were found to have increased odds of reoperation (odds ratio, 2.52) and wound complications/hematoma (odds ratio, 2.15). Within 90 days, there was increased risk for periprosthetic fracture (>4-fold) and mortality (>9-fold) following TKA after age adjustment. Within the first year, frail patients were at heightened risk for death (hazard ratio, 8.08), any patient infection (hazard ratio, 1.97), wound complications/hematoma (hazard ratio, 2.16), periprosthetic fracture (hazard ratio, 3.03), and reoperation (hazard ratio, 1.41). At no time point were significant associations found with arthrofibrosis, aseptic loosening, or patellar clunk syndrome. One-fifth of patients undergoing primary and revision TKAs are frail and at notable risk for complications. Calculating a preoperative FI should guide pre-habilitation efforts (eg, chronic disease management, wellness) before and postoperative surveillance after TKA. [Orthopedics. 2019; 42(6):335-343.].
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Kim JH, Kim HJ, Lee DH. Comparison of the Efficacy Between Closed Incisional Negative-Pressure Wound Therapy and Conventional Wound Management After Total Hip and Knee Arthroplasties: A Systematic Review and Meta-Analysis. J Arthroplasty 2019; 34:2804-2814. [PMID: 31288945 DOI: 10.1016/j.arth.2019.06.020] [Citation(s) in RCA: 30] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/14/2019] [Revised: 05/20/2019] [Accepted: 06/10/2019] [Indexed: 02/01/2023] Open
Abstract
BACKGROUND Wound-related problems after total hip arthroplasty (THA) and total knee arthroplasty (TKA) can cause periprosthetic joint infections. We sought to evaluate the effect of closed incisional negative-pressure wound therapy (ciNPWT) on wound complications, skin blisters, surgical site infections (SSIs), reoperations, and length of hospitalization (LOH). METHODS Studies comparing ciNPWT with conventional dressings following THA and TKA were systematically searched on MEDLINE, Embase, and the Cochrane Library. Two reviewers performed the study selection, risk of bias assessment, and data extraction. Funnel plots were employed to evaluate publication bias and forest plots to analyze pooled data. RESULTS Twelve studies were included herein. The odds ratios (ORs) for wound complications and SSIs indicated a lack of publication bias. ciNPWT showed significantly lower risks of wound complication (OR, 0.44; 95% confidence interval [CI], 0.22-0.9; P = .027) and SSI (OR, 0.39; 95% CI, 0.23-0.68; P < .001) than did conventional dressings. ciNPWT also yielded a significantly lower reoperation rate (OR, 0.38; 95% CI, 0.21-0.69; P = .001) and shorter LOH (mean difference, 0.41 days; 95% CI, -0.51 to -0.32; P < .001). However, the rate of skin blisters was higher in ciNPWT (OR, 4.44; 95% CI, 2.24-8.79; P < .001). CONCLUSION Although skin blisters were more likely to develop in ciNPWT, the risks of wound complication, SSI, reoperation, and longer LOH decreased in ciNPWT compared with those in conventional dressings. This finding could alleviate the potential concerns regarding wound-related problems after THA and TKA.
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Affiliation(s)
- Jun-Ho Kim
- Department of Orthopedic Surgery, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, South Korea
| | - Hyun-Jung Kim
- Department of Preventive Medicine, Korea University College of Medicine, Seoul, South Korea
| | - Dae-Hee Lee
- Department of Orthopedic Surgery, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, South Korea
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Dang KLT, Badge H, Harris IA. Validity of patient-reported complications after total hip and knee arthroplasty. J Orthop Surg (Hong Kong) 2019; 26:2309499018802493. [PMID: 30270744 DOI: 10.1177/2309499018802493] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/16/2022] Open
Abstract
BACKGROUND Evaluating the effectiveness of total hip arthroplasty (THA) and total knee arthroplasty (TKA) often relies on accurate patient reporting of postoperative complications. Despite this, there is little research regarding the accuracy of patient reports. We aimed to determine the accuracy of patient-reported significant complications after THA and TKA. METHODS Patients were recruited prior to undergoing primary hip or knee arthroplasty at 19 high-volume hospitals. After surgery, follow-up of patients via telephone interviews at 35, 90 and 365 days recorded surgical outcomes including readmission, reoperation and venous thromboembolism (VTE). Patient-reported complications were verified via medical record audits and liaison with surgeons, general practitioners or other health professionals. Surgical and demographic information and patient-reported and verified complications were entered into a database. Patient-reported and verified complications were compared for readmission, reoperation and VTE. RESULTS The sample included 150 of 1811 patients who reported a total of 242 significant complications. Of the 242 patient-reported complications, 224 (92.6%) were correct (true positive). The type of complication had variable levels of accuracy in patient reports. Readmission to hospital was accurately reported by 90.2% (129/143) of patients. Reoperation (including any manipulations under anaesthesia, joint washouts, reductions of dislocated joints and revisions) was accurately reported by 98.7% (75/76) of patients. VTE was accurately reported by 86.7% (20/23) of patients. CONCLUSION A high level of accuracy in patient-reported experience of complications was demonstrated following THA and TKA. Patient-reported complications may be reliably used for post-operative surveillance of joint replacement surgery.
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Affiliation(s)
- Kinh Luan Thanh Dang
- 1 Whitlam Orthopaedic Research Centre, Ingham Institute for Applied Medical Research, South Western Sydney Clinical School, UNSW Sydney, Liverpool, New South Wales, Australia
| | - Helen Badge
- 1 Whitlam Orthopaedic Research Centre, Ingham Institute for Applied Medical Research, South Western Sydney Clinical School, UNSW Sydney, Liverpool, New South Wales, Australia.,2 NSW Agency for Clinical Innovation, Chatswood, New South Wales, Australia
| | - Ian A Harris
- 1 Whitlam Orthopaedic Research Centre, Ingham Institute for Applied Medical Research, South Western Sydney Clinical School, UNSW Sydney, Liverpool, New South Wales, Australia
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