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Herzberg R, Tracey OC, Tahvilian S, Baksh N, Zikria B, Naziri Q. Incidence of heterotopic ossification following total hip arthroplasty by approach: a systematic review. EUROPEAN JOURNAL OF ORTHOPAEDIC SURGERY & TRAUMATOLOGY : ORTHOPEDIE TRAUMATOLOGIE 2024; 34:2089-2098. [PMID: 38536499 DOI: 10.1007/s00590-024-03896-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/28/2023] [Accepted: 02/28/2024] [Indexed: 05/19/2024]
Abstract
BACKGROUND Heterotopic ossification (HO) formation has been increasingly recognized as a complication of major orthopedic surgeries, particularly total hip arthroplasty (THA). Though, the overall incidence of HO following THA has been well-documented, it is often not reported by severity or by surgical approach. QUESTIONS/PURPOSES (1) What are the demographics of patients with HO? (2) What is the severity of HO following THA using the Brooker classification? (3) What is the incidence and class of HO following different THA approaches (anterior, posterior, posterolateral, anterolateral, superior, lateral, trans-gluteal)? (4) What are the number and training level of surgeons who performed each procedure? METHODS The PubMed, Embase, and Web of Science databases were queried, and PRISMA guidelines were followed. Qualitative and quantitative analyses were performed using Microsoft Excel. RESULTS We isolated 26 studies evaluating 6512 total hip arthroplasties (THA). The mean HO percentage overall was 28.8%, mostly Class I (54.2%) or Class II (29.6%). The highest percentage of HO was associated with the modified direct lateral (57.2%) and the traditional lateral (34.6%) approaches. The lowest HO percentages were identified following posterolateral (12.8%) and direct superior approaches (1%). Most studies reported a singular senior surgeon operating within the same approach for all patients. CONCLUSIONS The traditional lateral and modified direct lateral approaches to THA resulted in the highest percentage of HO postoperatively. However, most ossification cases were not clinically significant and did not strongly affect overall patient morbidity. Further studies are warranted to identify an association between severity of ossification and different arthroplasty approaches.
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Affiliation(s)
- Rex Herzberg
- Department of Orthopedic Surgery and Rehabilitation Medicine, Downstate Medical Center, State University of New York (SUNY), Downstate Health Sciences University, 450 Clarkson Avenue, MSC 30, Brooklyn, NY, 11203, USA
| | - Olivia C Tracey
- Department of Orthopedic Surgery and Rehabilitation Medicine, Downstate Medical Center, State University of New York (SUNY), Downstate Health Sciences University, 450 Clarkson Avenue, MSC 30, Brooklyn, NY, 11203, USA
| | - Shahriar Tahvilian
- Touro College of Osteopathic Medicine, 230 W 125th St 3rd Floor, New York, NY, 10027, USA
| | - Nayeem Baksh
- Department of Orthopedic Surgery and Rehabilitation Medicine, Downstate Medical Center, State University of New York (SUNY), Downstate Health Sciences University, 450 Clarkson Avenue, MSC 30, Brooklyn, NY, 11203, USA
| | - Bashir Zikria
- Department of Orthopedic Surgery, Johns Hopkins Medicine, 1800 Orleans Street, Baltimore, MD, 21287, USA
| | - Qais Naziri
- Department of Orthopedic Surgery and Rehabilitation Medicine, Downstate Medical Center, State University of New York (SUNY), Downstate Health Sciences University, 450 Clarkson Avenue, MSC 30, Brooklyn, NY, 11203, USA.
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Thalody HS, Ponzio DY, Santoro AJ, Radack TM, Post ZD, Ong AC. Large Femoral Heads With Small Acetabular Components: An Examination of 10-Year Polyethylene Wear. Orthopedics 2024; 47:118-122. [PMID: 37561101 DOI: 10.3928/01477447-20230804-07] [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: 08/11/2023]
Abstract
Highly cross-linked polyethylene (HXLPE) has improved polyethylene (PE) wear rates while decreasing osteolysis and aseptic loosening. However, concerns exist regarding the risk of mechanical failure with thin HXLPE liners in total hip arthroplasty (THA). Our purpose was to evaluate long-term outcomes and PE wear rates in primary THAs pairing large femoral heads with small acetabular components and thin HXLPE liners. We retrospectively reviewed 29 patients who underwent 33 primary THAs using large femoral heads (32 or 36 mm) with small acetabular components (48 or 50 mm) and thin HXLPE liners (3.9 or 5.9 mm) at minimum 10-year follow-up. PE liner wear was measured using a validated radiographic technique. Mean age was 66 years, 97% of the patients were women, and mean body mass index was 26.3 kg/m2. Thirty hips (90.9%) had ceramic femoral heads, and 13 hips (39%) had 36-mm femoral heads with 3.9-mm HXLPE liners. All cases used a neutral PE design. Mean linear wear rate and volumetric wear rate were 0.04 mm/year and 39.6 mm3/year, respectively, at mean 10.9-year follow-up. There were no instances of liner fracture, liner dissociation, or revision. Mean Hip disability and Osteoarthritis Outcome Score for Joint Replacement (HOOS, JR) was 92.1. In the largest long-term study of primary THAs using large femoral heads with small acetabular components and thin HXLPE liners, we found low linear and volumetric wear rates and no cases of liner mechanical failures. Thin HXLPE liners are a safe and viable option for THA surgeons. [Orthopedics. 2024;47(2):118-122.].
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Do MU, Moon NH, Suh KT, Kim JS, Lee SM, Shin WC. Safety of using a large femoral head on thin polyethylene for total hip arthroplasty based on different types of polyethylene. Sci Rep 2023; 13:22769. [PMID: 38123795 PMCID: PMC10733297 DOI: 10.1038/s41598-023-50217-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/25/2023] [Accepted: 12/16/2023] [Indexed: 12/23/2023] Open
Abstract
The use of a large femoral head in total hip arthroplasty (THA) to stabilize and reduce the incidence of dislocation is on the increase, but concerns arise when combining them with small acetabular components due to potential mechanical failures in thin polyethylene (PE) liners. A single-institution, retrospective cohort study was conducted on 116 patients with minimum 2-year follow-up who received 36-mm femoral heads and acetabular components ≤ 52 mm, using either remelted highly cross-linked polyethylene (remelted HXLPE) or vitamin E-infused HXLPE (VEPE). Osteolysis and implant loosening were not observed in either group. Although a fracture of the PE liner was observed in each group (1.7%), the clinical outcomes were excellent, as the mean modified Harris Hip Score (mHHS) at the last follow-up was 93.5. Moreover, the mean linear wear rates measured by digital imaging software in both groups were low, with 0.035 mm/y in remelted HXLPE and 0.030 mm/y in VEPE. In conclusion, The use of a large femoral head on a thin PE liner can be a viable treatment option in patients who need to prioritize stability; however, careful attention should be paid to mechanical fractures of the PE liner.
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Affiliation(s)
- Min Uk Do
- Department of Orthopedic Surgery, Research Institute for Convergence of Biomedical Science and Technology, Pusan National University Yangsan Hospital, Pusan National University School of Medicine, 20 Geumo-ro, Mulgeum-eup, Yangsan, Gyeongsangnam-do, 626-770, Republic of Korea
| | - Nam Hoon Moon
- Department of Orthopedic Surgery, Pusan National University Hospital, Busan, Republic of Korea
| | - Kuen Tak Suh
- Department of Orthopedic Surgery, Sehung Hospital, Pusan National University School of Medicine, Busan, Republic of Korea
| | - Jung Shin Kim
- Department of Orthopedic Surgery, Research Institute for Convergence of Biomedical Science and Technology, Pusan National University Yangsan Hospital, Pusan National University School of Medicine, 20 Geumo-ro, Mulgeum-eup, Yangsan, Gyeongsangnam-do, 626-770, Republic of Korea
| | - Sang-Min Lee
- Department of Orthopedic Surgery, Research Institute for Convergence of Biomedical Science and Technology, Pusan National University Yangsan Hospital, Pusan National University School of Medicine, 20 Geumo-ro, Mulgeum-eup, Yangsan, Gyeongsangnam-do, 626-770, Republic of Korea
| | - Won Chul Shin
- Department of Orthopedic Surgery, Research Institute for Convergence of Biomedical Science and Technology, Pusan National University Yangsan Hospital, Pusan National University School of Medicine, 20 Geumo-ro, Mulgeum-eup, Yangsan, Gyeongsangnam-do, 626-770, Republic of Korea.
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Salmons HI, Karczewski D, Ledford CK, Bedard NA, Wyles CC, Abdel MP. Femoral Head Length Impact on Outcomes Following Total Hip Arthroplasty in 36 Millimeter Cobalt Chrome-on-Highly Crosslinked Polyethylene Articulations. J Arthroplasty 2023; 38:1787-1792. [PMID: 36805114 DOI: 10.1016/j.arth.2023.02.031] [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: 01/05/2023] [Revised: 02/06/2023] [Accepted: 02/11/2023] [Indexed: 02/23/2023] Open
Abstract
BACKGROUND Despite concerns for corrosion, dislocation, and periprosthetic femur fractures, minimal literature has investigated the effect of adjusting femoral head length on outcomes after primary total hip arthroplasty (THA). Therefore, we aimed to investigate the effect of femoral head length on the risk of any revision and reoperation following cobalt chromium (CoCr)-on-highly crosslinked polyethylene (HXLPE) THAs. METHODS Between 2004 and 2018, we identified 1,187 primary THAs with CoCr-on-HXLPE articulations using our institutional total joint registry. The mean age at THA was 71 years (range, 19-97), 40% were women, and mean body mass index was 30 (range, 10-68). All THAs using 36 mm diameter femoral heads were included. Neutral (0 mm), positive, or negative femoral head lengths were used in 42, 31, and 27% of the THAs, respectively. Kaplan-Meier survivorship was assessed. The mean follow-up was 7 years (range, 2-16). RESULTS The 10-year survivorships free of any revision or reoperation were 94 and 92%, respectively. A total of 47 revisions were performed, including periprosthetic femur fracture (17), periprosthetic joint infection (8), dislocation (7), aseptic loosening of either component (6), corrosion (4), and other (5). Nonrevision reoperations included wound revision (11), open reduction and internal fixation of periprosthetic femur fracture (4), and abductor repair (2). Multivariable analyses found no significant associations between femoral head length and revision or reoperation. CONCLUSION Altering femoral head lengths in 36 mm CoCr-on-HXLPE THAs did not affect outcomes. Surgeons should select femoral head lengths that optimize hip stability and center of rotation. LEVEL OF EVIDENCE III.
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Affiliation(s)
- Harold I Salmons
- Department of Orthopedic Surgery, Mayo Clinic, Rochester, Minnesota
| | | | - Cameron K Ledford
- Department of Orthopedic Surgery, Mayo Clinic, Jacksonville, Florida
| | | | - Cody C Wyles
- Department of Orthopedic Surgery, Mayo Clinic, Rochester, Minnesota
| | - Matthew P Abdel
- Department of Orthopedic Surgery, Mayo Clinic, Rochester, Minnesota
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Fransen BL, Bengoa FJ, Neufeld ME, Sheridan GA, Garbuz DS, Howard LC. Thin highly cross-linked polyethylene liners combined with large femoral heads in primary total hip arthroplasty show excellent survival and low wear rates at a mean follow-up of 12.8 years. Bone Joint J 2023; 105-B:29-34. [PMID: 36587249 DOI: 10.1302/0301-620x.105b1.bjj-2022-0812.r1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/02/2023]
Abstract
AIMS Several short- and mid-term studies have shown minimal liner wear of highly cross-linked polyethylene (HXLPE) in total hip arthroplasty (THA), but the safety of using thinner HXLPE liners to maximize femoral head size remains uncertain. The objective of this study was to analyze clinical survival and radiological wear rates of patients with HXLPE liners, a 36 mm femoral head, and a small acetabular component with a minimum of ten years' follow-up. METHODS We retrospectively identified 55 patients who underwent primary THA performed at a single centre, using HXLPE liners with 36 mm cobalt-chrome heads in acetabular components with an outer diameter of 52 mm or smaller. Patient demographic details, implant details, death, and all-cause revisions were recorded. Cox regression and Kaplan-Meier survival was used to determine all-cause and liner-specific revision. Of these 55 patients, 22 had a minimum radiological follow-up of seven years and were assessed radiologically for linear and volumetric wear. RESULTS Overall survival rate for all-cause revision was 94.5% (95% confidence interval (CI) 81.7% to 97.2%) at a mean follow-up of 12.8 years (10.9 to 18.7). Three patients were revised, none for liner wear, fracture, or dissociation. A total of 22 patients were included in the radiological analysis (mean follow-up 9.9 years (7.5 to 13.7)). Mean linear liner wear was 0.085 mm (95% CI -0.086 to 0.257) and the volumetric wear rate was 11.097 mm3/year (95% CI -6.5 to 28.7). CONCLUSION Using HXLPE liners with 36 mm heads in 52 mm acetabular components or smaller is safe, with excellent survival and low rates of linear and volumetric wear at medium-term follow-up. Patients did not require revision surgery for liner complications such as fracture, dissociation, or wear. Our results suggest that the advantages of using larger heads outweigh the potential risks of using thin HXLPE liners.Cite this article: Bone Joint J 2023;105-B(1):29-34.
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Affiliation(s)
- Bas L Fransen
- Department of Orthopaedics, The University of British Columbia, Vancouver, Canada
| | - Francisco J Bengoa
- Department of Orthopaedics, The University of British Columbia, Vancouver, Canada
| | - Michael E Neufeld
- Department of Orthopaedics, The University of British Columbia, Vancouver, Canada
| | - Gerard A Sheridan
- Department of Orthopaedics, The University of British Columbia, Vancouver, Canada
| | - Donald S Garbuz
- Department of Orthopaedics, The University of British Columbia, Vancouver, Canada
| | - Lisa C Howard
- Department of Orthopaedics, The University of British Columbia, Vancouver, Canada
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