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Erard J, Viamont-Guerra MR, Bonin N. Satisfactory mid-term clinical outcomes of endoscopic tenotomy for iliopsoas tendinopathy following total hip arthroplasty. Knee Surg Sports Traumatol Arthrosc 2024; 32:1216-1227. [PMID: 38515260 DOI: 10.1002/ksa.12103] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/31/2023] [Revised: 02/07/2024] [Accepted: 02/12/2024] [Indexed: 03/23/2024]
Abstract
PURPOSE To report 5-year outcomes of endoscopic iliopsoas tenotomy in patients with iliopsoas tendinopathy following total hip arthroplasty (THA) and determine whether clinical scores are associated with cup position. METHODS Patients who underwent endoscopic iliopsoas tenotomy for iliopsoas tendinopathy following THA (2014-2017) were contacted. Indications for endoscopic iliopsoas tenotomy after THA were groin pain during active hip flexion, exclusion of other causes of groin pain, and no pain relief after 6 months of conservative treatment. Pretenotomy cup inclination and anteversion were measured on radiographs; axial and sagittal cup overhang were measured on computed tomography (CT) scans. Oxford hip score (OHS), modified Harris hip score (mHHS), and groin pain were assessed. RESULTS The initial cohort comprised 16 men (17 hips) and 31 women (32 hips), aged 60.7 ± 10.6 years. Cup inclination and anteversion were, respectively, 46.2 ± 6.2° and 14.6 ± 8.4°, while axial and sagittal cup overhang were, respectively, 4.4 ± 4.0 mm and 6.9 ± 4.5 mm. At ≥5 years follow-up, four hips underwent cup and stem revision, two underwent isolated cup revision and one underwent secondary iliopsoas tenotomy. OHS improved by 23 ± 10 and mHHS improved by 31 ± 16. Posttenotomy groin pain was slight in 20.0%, mild in 17.5% and moderate in 12.5%. Regression analyses revealed that net change in mHHS decreased with sagittal cup overhang (β = -3.1; 95% confidence interval [CI] = -4.6 to -1.7; p < 0.001), but that there were no associations between cup position and net change in OHS. CONCLUSIONS Endoscopic iliopsoas tenotomy provides good mid-term clinical outcomes in patients with iliopsoas tendinopathy following THA. Furthermore, improvements in mHHS were found to decrease with increasing sagittal cup overhang, in cases for which adequate preoperative imaging was available. LEVEL OF EVIDENCE Level IV.
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Affiliation(s)
- Julien Erard
- Lyon Ortho Clinic, Clinique de la Sauvegarde, Lyon, France
| | - Maria-Roxana Viamont-Guerra
- Lyon Ortho Clinic, Clinique de la Sauvegarde, Lyon, France
- Hospital Israelita Albert Einstein, Morumbi, São Paulo, Brazil
| | - Nicolas Bonin
- Lyon Ortho Clinic, Clinique de la Sauvegarde, Lyon, France
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Hanson TM, Magder LS, Pellegrini VD. Substantial Improvement in Self-Reported Mental Health Following Total Hip Arthroplasty Occurs Independent of Anesthetic Technique. J Arthroplasty 2024; 39:1220-1225.e1. [PMID: 37977307 DOI: 10.1016/j.arth.2023.11.011] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/08/2023] [Revised: 11/01/2023] [Accepted: 11/08/2023] [Indexed: 11/19/2023] Open
Abstract
BACKGROUND The influence of anesthetic type on mental health after total hip arthroplasty (THA) is poorly understood. Adverse effects of general anesthesia (GA) on cognition following major non-cardiac surgery are well known, but mental health following THA is less well-studied. We hypothesized that neuraxial anesthesia (NA) would provide favorable mental health profiles compared with GA after THA. METHODS Prospectively collected Patient-Reported Outcomes Measurement Information System-10 (PROMIS) Global Mental Health (GMH) scores at preoperative baseline, and 1, 3, and 6 months after THA were accessed on 4,353 patients in the Pulmonary Embolism Prevention After HiP and KneE Replacement (PEPPER) Trial (ClinicalTrials.gov: NCT02810704). Anesthesia was categorized as: general (GA), neuraxial (NA), and neuraxial with peripheral block (NAP). The GMH was assessed longitudinally and compared between groups. RESULTS Postoperative GMH improved (P < .05) over preoperative in every anesthetic group. Groups receiving NA had higher baseline GMH scores. Improvement in GMH was diminished after GA alone and plateaued after 1 month. Adding NA or peripheral nerve block to GA conferred additional benefit to GMH improvement. CONCLUSIONS Patient-perceived mental health improves significantly after THA regardless of anesthetic type. Patients who have higher baseline GMH scores more commonly received NA, likely due to nonsurgical care determinants; these differences in mental wellness persisted at follow-up. Adjunctive NA or peripheral nerve block favored GMH improvement, whereas solitary GA diminished GMH improvement, which plateaued after 1 month. Substantial mental health benefits of THA may overshadow subtle differences in GMH attributable to anesthetic type.
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Affiliation(s)
- Thomas M Hanson
- Department of Orthopaedics, Dartmouth-Hitchcock Medical Center and Geisel School of Medicine at Dartmouth, Lebanon, New Hampshire
| | - Laurence S Magder
- Department of Epidemiology and Public Health, University of Maryland School of Medicine, Baltimore, Maryland
| | - Vincent D Pellegrini
- Department of Orthopaedics, Dartmouth-Hitchcock Medical Center and Geisel School of Medicine at Dartmouth, Lebanon, New Hampshire
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Shaker F, Soleimani M, Shafiei SH. Letter to the Editor on "Dislocation Following Anterior and Posterior Total Hip Arthroplasty in the Setting of Spinal Deformity and Stiffness: Evolving Trends Using a High-Risk Protocol at a Single Tertiary Center". J Arthroplasty 2024; 39:e35-e36. [PMID: 38642966 DOI: 10.1016/j.arth.2024.01.010] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/27/2023] [Revised: 12/06/2023] [Accepted: 01/07/2024] [Indexed: 04/22/2024] Open
Affiliation(s)
- Farhad Shaker
- Orthopedic Department, Orthopedic Surgery Research Center (OSRC), Sina University Hospital, Tehran University of Medical Sciences, Tehran, Iran
| | - Mohammad Soleimani
- Orthopedic Department, Orthopedic Surgery Research Center (OSRC), Sina University Hospital, Tehran University of Medical Sciences, Tehran, Iran
| | - Seyyed Hossein Shafiei
- Orthopedic Department, Orthopedic Surgery Research Center (OSRC), Sina University Hospital, Tehran University of Medical Sciences, Tehran, Iran
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Akçaalan S, Kengil MC, Çağlar C, Uğurlu M. Is there still an indication for the Birmingham Hip Resurfacing in femoral head osteonecrosis? Int Orthop 2024; 48:1157-1163. [PMID: 38165447 DOI: 10.1007/s00264-023-06070-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/09/2023] [Accepted: 12/11/2023] [Indexed: 01/03/2024]
Abstract
PURPOSE Osteonecrosis of the femoral head (ONFH) is a progressive hip disease. Hip resurfacing arthroplasty (HRA) is a preferred surgical procedure among hip arthroplasty performed in young patients. The aim of this study is to show the long-term clinical and radiological results of HRA procedures performed for patients suffering from ONFH. METHODS Forty-five patients who underwent hip resurfacing with the diagnosis of femoral head osteonecrosis were included in the study. The Harris Hip Score (HHS) was used for clinical scoring of the patients. The blood chromium, cobalt, white blood cell (WBC) count, and CRP levels of patients were checked. Ultrasonography (USG) was performed for all patients at mid-term control checked for pseudo-tumours. For the radiological evaluation, acetabular inclination, stem shaft angle, prothesis-to-neck ratio, osteolysis zones, and heterotopic ossification were used. RESULTS The mean age of the patients was 46.6 ± 9.3 years, and the mean follow-up period was 11.83 ± 2.9 years. The mean HHS was 90.3 ± 12.8 for final follow-up. The mean WBC value was 8.2 109/L, mean CRP value was 6.3 mg/L, mean chromium value was 4.9 µg/L, and mean cobalt value was 1.8 µg/L. Inclination changing 0.2°(p = 0.788), stem shaft angle changing 0.7°(p = 0.424), and neck-to-prosthesis ratio changing 0.01°(p = 0.075). No pseudo-tumours were detected in any patients in USG examination. CONCLUSION HRA provides long-term implant survival and excellent clinical outcomes for end-stage ONFH patients with low complication rates.
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Affiliation(s)
- Serhat Akçaalan
- Orthopedics and Traumatology Department, Ankara City Hospital, Ankara, Turkey.
| | - Mehmet Can Kengil
- Orthopedics and Traumatology Department, Ankara City Hospital, Ankara, Turkey
| | - Ceyhun Çağlar
- Orthopedics and Traumatology Department, Ankara Yıldırım Beyazıt University, Ankara, Turkey
| | - Mahmut Uğurlu
- Orthopedics and Traumatology Department, Ankara Yıldırım Beyazıt University, Ankara, Turkey
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Jud L, Rüedi N, Dimitriou D, Hoch A, Zingg PO. High femoral offset as a risk factor for aseptic femoral component loosening in cementless primary total hip arthroplasty. Int Orthop 2024; 48:1217-1224. [PMID: 38388804 PMCID: PMC11001651 DOI: 10.1007/s00264-024-06116-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/31/2023] [Accepted: 02/02/2024] [Indexed: 02/24/2024]
Abstract
PURPOSE Lateralized stems in primary cementless total hip arthroplasty (THA) showed to be associated with aseptic femoral loosening. However, femoral head length also affects femoral offset but was not considered so far. This study analyzed the impact of high femoral offset (hFO) combinations, formed by lateralized stems or large femoral head lengths, on aseptic femoral component loosening. METHODS Retrospective cohort study was performed including all patients that underwent primary cementless THA at our institution between July 2004 and December 2016. Patients were screened for aseptic femoral component loosening and grouped in aseptic loosening (AL) and non-aseptic loosening (nAL) group. Medical records were screened; implant details were noted and classified in hFO and standard femoral offset (sFO) combinations. Supposed risk factors for aseptic loosening were analyzed. RESULTS Two thousand four hundred fifty-nine THA could be included, containing 14 THA (0.6%) with aseptic femoral component loosening. The AL group contained 11 hFO combinations (78.6%), whereas in the nAL group, 1315 hFO combinations (53.8%) were used. Subgroup analysis showed significant difference between two groups for hFO combinations (p = 0.014), age (p = 0.002), NSAR (p = 0.001), and bilateral THA on same day (p = 0.001). The multiple logistic regression analysis showed that hFO combination was the only variable for increased probability of aseptic loosening (OR, 3.7; p = 0.04). CONCLUSION High femoral offset combinations, formed by lateralized stems or large femoral head lengths in our collective of standard straight stems implanted by an anterior approach, show a 3.7-fold increased probability for aseptic femoral component loosening. Adjustment of the postoperative protocol may be considered in these cases to ensure proper stem ingrowth.
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Affiliation(s)
- Lukas Jud
- Balgrist University Hospital, Department of Orthopedics, University of Zurich, Forchstrasse 340, 8008, Zürich, Switzerland.
| | - Nico Rüedi
- Balgrist University Hospital, Department of Orthopedics, University of Zurich, Forchstrasse 340, 8008, Zürich, Switzerland
| | - Dimitris Dimitriou
- Balgrist University Hospital, Department of Orthopedics, University of Zurich, Forchstrasse 340, 8008, Zürich, Switzerland
| | - Armando Hoch
- Balgrist University Hospital, Department of Orthopedics, University of Zurich, Forchstrasse 340, 8008, Zürich, Switzerland
| | - Patrick O Zingg
- Balgrist University Hospital, Department of Orthopedics, University of Zurich, Forchstrasse 340, 8008, Zürich, Switzerland
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Mimendia I, Barro V, Sierra M, Aliaga-Martínez A, Guerra-Farfán E, Hernández A. Fused hip conversion to total hip arthroplasty with the direct anterior approach: surgical technique on a regular surgical table under fluoroscopic guidance. Int Orthop 2024; 48:1165-1170. [PMID: 38438578 DOI: 10.1007/s00264-024-06131-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/24/2023] [Accepted: 02/22/2024] [Indexed: 03/06/2024]
Abstract
PURPOSE Conversion of a fused hip to a total hip arthroplasty (THA) is technically challenging due to the loss of anatomical references. Here, a reproducible technique using the direct anterior approach (DAA) with a regular surgical table under fluoroscopic guidance is described, which has several advantages over traditional such as lateral or posterior approaches. METHODS There were reported 11 cases of ankylosis hip that were converted to THA using the same surgical technique protocol. Clinical and radiographic outcomes were recorded at 3.2 years of follow-up. A detailed preoperative evaluation was performed, including a pelvis radiological evaluation and magnetic resonance image (MRI) to assess the integrity of the periarticular soft tissue and flexor muscles. RESULTS The DAA has considerable advantages, such as allowing more precise targeting during surgery, avoiding the risk of pseudoarthrosis due to the absence of a trochanteric osteotomy, preserving the abductors, and allowing an easier-to-use of intraoperative fluoroscopy due to the supine position. Besides, the use of a standard table reduces surgical time and allows assessment of limb length, hip stability, and impingement in all planes in an intraoperative dynamic range, which decreases postoperative complications. CONCLUSION Conversion from hip fusion to THA is a rare and complex procedure. The use of DAA with a standard table and fluoroscopy helps to avoid high complications since it allows a dynamic intra-operative examination of the range of motion to rule out impingements, reduces the risk of dislocation, and allows leg lengthening verification.
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Affiliation(s)
- Iñaki Mimendia
- Hip Surgery Unit, Orthopedic Surgery Department, Vall d'Hebron University Hospital, Barcelona, Spain
| | - Víctor Barro
- Hip Surgery Unit, Orthopedic Surgery Department, Vall d'Hebron University Hospital, Barcelona, Spain
| | - Martin Sierra
- Instituto Nacional de Ortopedia y Traumatología, Universidad de La República, Montevideo, Uruguay
| | - Andrés Aliaga-Martínez
- Hip Surgery Unit, Orthopedic Surgery Department, Vall d'Hebron University Hospital, Barcelona, Spain.
| | - Ernesto Guerra-Farfán
- Hip Surgery Unit, Orthopedic Surgery Department, Vall d'Hebron University Hospital, Barcelona, Spain
| | - Alejandro Hernández
- Hip Surgery Unit, Orthopedic Surgery Department, Vall d'Hebron University Hospital, Barcelona, Spain
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Yagura T, Oe K, Kobayasi F, Sogawa S, Nakamura T, Iida H, Saito T. Experimental periprosthetic fractures with collarless polished tapered cemented stems. Int Orthop 2024; 48:1171-1178. [PMID: 38443715 DOI: 10.1007/s00264-024-06136-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/31/2024] [Accepted: 02/29/2024] [Indexed: 03/07/2024]
Abstract
PURPOSE After cemented total hip arthroplasty, the risk of periprosthetic fracture (PPF) of taper-slip stems is higher than that of composite-beam stems. We aimed to assess the conditions resulting in PPFs of taper-slip stems using a falling weight. METHODS Taper-slip stems were fixed to five types of simulated bone models using bone cement, and the fractures were evaluated by dropping stainless-steel weights from a predetermined height onto the heads. The periprosthetic fracture height in 50% of the bone models (PPFH50) was calculated using the staircase method. RESULTS For the fixation with 0° of flexion, the values for PPFH50 were 61 ± 11, 60 ± 13, above 110, 108 ± 49, and 78 ± 12 cm for the cobalt-chromium-molybdenum alloy, stainless steel alloy (SUS), titanium alloy (Ti), smooth surface, and thick cement mantle models, respectively; for the fixation with 10° of flexion (considering flexure), the PPFH50 values were 77 ± 5, 85 ± 9, 90 ± 2, 89 ± 5, and 81 ± 11 cm, respectively. The fracture rates of the polished-surface stems were 78.6 and 35.7% at the proximal and distal sites, respectively (p < 0.05); the fracture rates of the smooth-surface stems were 14.2 and 100%, respectively (p < 0.05). CONCLUSION The impact tests demonstrated that the conditions that were less likely to cause PPFs were use of Ti, a smooth surface, a thick cement mantle, and probably, use of SUS.
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Affiliation(s)
- Takuma Yagura
- Department of Orthopaedic Surgery, Kansai Medical University, 2-5-1 Shinmachi, Hirakata, Osaka, 573-1010, Japan
| | - Kenichi Oe
- Department of Orthopaedic Surgery, Kansai Medical University, 2-5-1 Shinmachi, Hirakata, Osaka, 573-1010, Japan.
| | - Fumito Kobayasi
- Department of Orthopaedic Surgery, Kansai Medical University, 2-5-1 Shinmachi, Hirakata, Osaka, 573-1010, Japan
| | - Shohei Sogawa
- Department of Orthopaedic Surgery, Kansai Medical University, 2-5-1 Shinmachi, Hirakata, Osaka, 573-1010, Japan
| | - Tomohisa Nakamura
- Department of Orthopaedic Surgery, Kansai Medical University, 2-5-1 Shinmachi, Hirakata, Osaka, 573-1010, Japan
| | - Hirokazu Iida
- Department of Orthopaedic Surgery, Kansai Medical University, 2-5-1 Shinmachi, Hirakata, Osaka, 573-1010, Japan
| | - Takanori Saito
- Department of Orthopaedic Surgery, Kansai Medical University, 2-5-1 Shinmachi, Hirakata, Osaka, 573-1010, Japan
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Sarpong NO, Kuyl EV, Rodriguez JA. Response to Letter to the Editor on "Dislocation Following Anterior and Posterior Total Hip Arthroplasty in the Setting of Spinal Deformity and Stiffness: Evolving Trends Using a High-Risk Protocol at a Single Tertiary Center". J Arthroplasty 2024; 39:e37. [PMID: 38642967 DOI: 10.1016/j.arth.2024.01.008] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/23/2023] [Revised: 01/04/2024] [Accepted: 01/07/2024] [Indexed: 04/22/2024] Open
Affiliation(s)
- Nana O Sarpong
- Department of Orthopedic Surgery, Hospital for Special Surgery, New York, New York
| | - Emile-Victor Kuyl
- Department of Orthopedic Surgery, Hospital for Special Surgery, New York, New York
| | - Jose A Rodriguez
- Department of Orthopedic Surgery, Hospital for Special Surgery, New York, New York
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Wilson JM, Abdel MP, Trousdale RT, Lewallen DG, Berry DJ. Total Hip Arthroplasty Following Operative Fixation of Acetabular Fracture: A Contemporary Series. J Arthroplasty 2024; 39:1273-1278. [PMID: 38040067 DOI: 10.1016/j.arth.2023.11.027] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/21/2023] [Revised: 11/21/2023] [Accepted: 11/24/2023] [Indexed: 12/03/2023] Open
Abstract
BACKGROUND Total hip arthroplasty (THA) is the operation of choice for salvage of post-traumatic arthritis following acetabular fracture. While high failure rates have been reported for these procedures, existing literature reports mainly on historical implant designs and techniques. We aimed to describe implant survivorships, complications, radiographic results, and clinical outcomes of contemporary THA following prior open reduction internal fixation (ORIF) of an acetabular fracture. METHODS We identified 104 patients undergoing THA following prior ORIF of an acetabular fracture from 2000 to 2015 via our institutional total joint registry. Mean age at THA was 50 years (range, 18 to 79 years), 71% were men, and mean body mass index was 27 (range, 18 to 52). All patients were implanted with uncemented acetabular components, and 89% had uncemented stems. Some hardware from prior fixation was retained in 94% of cases. Mean follow-up was 10 years (range, 2 to 21 years). RESULTS The 10-year survivorships free of any revision and any reoperation were 98% and 97%, respectively. There were 4 revisions: 1 each for psoas tendonitis, dislocation, acetabular aseptic loosening, and periprosthetic joint infection. There were 9 complications that did not lead to reoperation: 5 dislocations, 2 periprosthetic femur fractures, 1 sciatic nerve palsy, and 1 case of symptomatic heterotopic ossification. All unrevised components appeared radiographically well-fixed. Mean Harris Hip Score improved from mean 50 preoperatively to mean 82 at 5 years (P < .001). CONCLUSIONS In this series of contemporary THAs following prior acetabular fracture ORIF, revision-free survivorship was excellent with only a single case of acetabular aseptic loosening. These results are encouraging and suggest that contemporary implants and techniques have notably improved on historic results. LEVEL OF EVIDENCE Therapeutic, Level IV.
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Affiliation(s)
- Jacob M Wilson
- Department of Orthopedic Surgery, Mayo Clinic, Rochester, Minnesota
| | - Matthew P Abdel
- Department of Orthopedic Surgery, Mayo Clinic, Rochester, Minnesota
| | | | - David G Lewallen
- Department of Orthopedic Surgery, Mayo Clinic, Rochester, Minnesota
| | - Daniel J Berry
- Department of Orthopedic Surgery, Mayo Clinic, Rochester, Minnesota
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Zhang S, Ma M, Kong X, Zhou Y, Chen J, Chai W. Robotic-assisted total hip arthroplasty in patients with developmental dysplasia of the hip. Int Orthop 2024; 48:1189-1199. [PMID: 38358516 DOI: 10.1007/s00264-024-06115-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/13/2023] [Accepted: 01/31/2024] [Indexed: 02/16/2024]
Abstract
PURPOSES Due to the morphological diversity of deformities, technical difficulties, improperly designed components, and so on, THA remains a challenging task in dysplastic hips, especially in highly dislocated hips. The purpose of this study was to comprehensively evaluate the clinical outcomes of robot-assisted THA in patients with DDH through a large cohort study, including the precision of acetabular cup positioning, indicators of inflammatory response, indicators of muscle damage, and complications. METHODS We retrospectively analyzed patients with DDH who underwent THA in our prospectively constructed joint registry between August 2018 and August 2022. Finally, 147 manual THAs and 147 robotic-assisted THAs were included in the final analysis. Patient demographics, indicators of inflammation, indicators of muscle damage, operative time, Harris hip scores (HHS), and forgotten joint score (FJS) were recorded for analysis. The precision of the positioning of the acetabular component was assessed with plain radiographs. RESULTS In the Crowe II/III groups, the reconstructed center of rotation (COR) in the robotic-assisted group was closer to the anatomical COR with less variation than the manual group (absolute horizontal distances of COR 3.5 ± 2.8 vs. 5.4 ± 4.9 mm, p < 0.05; absolute vertical distances of COR 6.4 ± 4.1 vs. 11.7 ± 8.2 mm, p = 0.001). For all Crowe subtypes, the robotic-assisted THA significantly increased the proportion of acetabular cups located in the safety zone within 5° (all p < 0.05). Interleukin-6 and creatine kinase levels were slightly lower and significantly different in the robotic-assisted group at three days postoperatively (all p < 0.05). CONCLUSIONS Compared to the manual technique, the robot-assisted technique improved the precision and reproducibility of acetabular component positioning, particularly in DDH patients with Crowe types II/III. The robotic-assisted technique did not increase operative time, bleeding, complications, or revision rates, and had a slighter early inflammatory response and muscle damage.
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Affiliation(s)
- Shuai Zhang
- Senior Department of Orthopedics, the Forth Medical Center of Chinese PLA General Hospital, No. 51 Fucheng Road, Haidian District, Beijing, China
- Department of Orthopedics, the 969th Hospital of the PLA joint Logisitcs Support Force, No. 51 Aimin street, Xincheng District, Huhehaote, China
- National Clinical Research Center for Orthopedics, Sports Medicine and Rehabilitation, No. 28 Fuxing Road, Haidian District, Beijing, China
| | - Mingyang Ma
- Senior Department of Orthopedics, the Forth Medical Center of Chinese PLA General Hospital, No. 51 Fucheng Road, Haidian District, Beijing, China.
- National Clinical Research Center for Orthopedics, Sports Medicine and Rehabilitation, No. 28 Fuxing Road, Haidian District, Beijing, China.
| | - Xiangpeng Kong
- Senior Department of Orthopedics, the Forth Medical Center of Chinese PLA General Hospital, No. 51 Fucheng Road, Haidian District, Beijing, China
- National Clinical Research Center for Orthopedics, Sports Medicine and Rehabilitation, No. 28 Fuxing Road, Haidian District, Beijing, China
| | - Yonggang Zhou
- Senior Department of Orthopedics, the Forth Medical Center of Chinese PLA General Hospital, No. 51 Fucheng Road, Haidian District, Beijing, China.
- National Clinical Research Center for Orthopedics, Sports Medicine and Rehabilitation, No. 28 Fuxing Road, Haidian District, Beijing, China.
| | - Jiying Chen
- Senior Department of Orthopedics, the Forth Medical Center of Chinese PLA General Hospital, No. 51 Fucheng Road, Haidian District, Beijing, China.
- National Clinical Research Center for Orthopedics, Sports Medicine and Rehabilitation, No. 28 Fuxing Road, Haidian District, Beijing, China.
| | - Wei Chai
- Senior Department of Orthopedics, the Forth Medical Center of Chinese PLA General Hospital, No. 51 Fucheng Road, Haidian District, Beijing, China.
- National Clinical Research Center for Orthopedics, Sports Medicine and Rehabilitation, No. 28 Fuxing Road, Haidian District, Beijing, China.
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Antonson NW, Buckner BC, Konigsberg BS, Hartman CW, Garvin KL, Kildow BJ. Novel Technique for the Identification of Hip Implants Using Artificial Intelligence. J Arthroplasty 2024; 39:1178-1183. [PMID: 38336303 DOI: 10.1016/j.arth.2024.02.001] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/05/2023] [Revised: 01/22/2024] [Accepted: 02/01/2024] [Indexed: 02/12/2024] Open
Abstract
BACKGROUND The anticipated growth of total hip arthroplasty will result in an increased need for revision total hip arthroplasty. Preoperative planning, including identifying current implants, is critical for successful revision surgery. Artificial intelligence (AI) is promising for aiding clinical decision-making, including hip implant identification. However, previous studies have limitations such as small datasets, dissimilar stem designs, limited scalability, and the need for AI expertise. To address these limitations, we developed a novel technique to generate large datasets, tested radiographically similar stems, and demonstrated scalability utilizing a no-code machine learning solution. METHODS We trained, validated, and tested an automated machine learning-implemented convolutional neural network to classify 9 radiographically similar femoral implants with a metaphyseal-fitting wedge taper design. Our novel technique uses computed tomography-derived projections of a 3-dimensional scanned implant model superimposed within a computed tomography pelvis volume. We employed computer-aided design modeling and MATLAB to process and manipulate the images. This generated 27,020 images for training (22,957) and validation (4,063) sets. We obtained 786 test images from various sources. The performance of the model was evaluated by calculating sensitivity, specificity, and accuracy. RESULTS Our machine learning model discriminated the 9 implant models with a mean accuracy of 97.4%, sensitivity of 88.4%, and specificity of 98.5%. CONCLUSIONS Our novel hip implant detection technique accurately identified 9 radiographically similar implants. The method generates large datasets, is scalable, and can include historic or obscure implants. The no-code machine learning model demonstrates the feasibility of obtaining meaningful results without AI expertise, encouraging further research in this area.
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Affiliation(s)
- Neil W Antonson
- Department of Orthopaedic Surgery, University of Nebraska Medical Center, Omaha, Nebraska
| | - Brandt C Buckner
- Department of Orthopaedic Surgery, University of Nebraska Medical Center, Omaha, Nebraska
| | - Beau S Konigsberg
- Department of Orthopaedic Surgery, University of Nebraska Medical Center, Omaha, Nebraska
| | - Curtis W Hartman
- Department of Orthopaedic Surgery, University of Nebraska Medical Center, Omaha, Nebraska
| | - Kevin L Garvin
- Department of Orthopaedic Surgery, University of Nebraska Medical Center, Omaha, Nebraska
| | - Beau J Kildow
- Department of Orthopaedic Surgery, University of Nebraska Medical Center, Omaha, Nebraska
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Jang SJ, Alpaugh K, Kunze KN, Li TY, Mayman DJ, Vigdorchik JM, Jerabek SA, Gausden EB, Sculco PK. Deep-Learning Automation of Preoperative Radiographic Parameters Associated With Early Periprosthetic Femur Fracture After Total Hip Arthroplasty. J Arthroplasty 2024; 39:1191-1198.e2. [PMID: 38007206 DOI: 10.1016/j.arth.2023.11.021] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/09/2023] [Revised: 11/13/2023] [Accepted: 11/15/2023] [Indexed: 11/27/2023] Open
Abstract
BACKGROUND The radiographic assessment of bone morphology impacts implant selection and fixation type in total hip arthroplasty (THA) and is important to minimize the risk of periprosthetic femur fracture (PFF). We utilized a deep-learning algorithm to automate femoral radiographic parameters and determined which automated parameters were associated with early PFF. METHODS Radiographs from a publicly available database and from patients undergoing primary cementless THA at a high-volume institution (2016 to 2020) were obtained. A U-Net algorithm was trained to segment femoral landmarks for bone morphology parameter automation. Automated parameters were compared against that of a fellowship-trained surgeon and compared in an independent cohort of 100 patients who underwent THA (50 with early PFF and 50 controls matched by femoral component, age, sex, body mass index, and surgical approach). RESULTS On the independent cohort, the algorithm generated 1,710 unique measurements for 95 images (5% lesser trochanter identification failure) in 22 minutes. Medullary canal width, femoral cortex width, canal flare index, morphological cortical index, canal bone ratio, and canal calcar ratio had good-to-excellent correlation with surgeon measurements (Pearson's correlation coefficient: 0.76 to 0.96). Canal calcar ratios (0.43 ± 0.08 versus 0.40 ± 0.07) and canal bone ratios (0.39 ± 0.06 versus 0.36 ± 0.06) were higher (P < .05) in the PFF cohort when comparing the automated parameters. CONCLUSIONS Deep-learning automated parameters demonstrated differences in patients who had and did not have early PFF after cementless primary THA. This algorithm has the potential to complement and improve patient-specific PFF risk-prediction tools.
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Affiliation(s)
- Seong J Jang
- Weill Cornell College of Medicine, New York, New York; Department of Orthopedic Surgery, Hospital for Special Surgery, New York, New York
| | - Kyle Alpaugh
- Department of Orthopaedic Surgery, Massachusetts General Hospital, Boston, Massachusetts
| | - Kyle N Kunze
- Department of Orthopedic Surgery, Hospital for Special Surgery, New York, New York
| | - Tim Y Li
- Weill Cornell College of Medicine, New York, New York
| | - David J Mayman
- Department of Orthopedic Surgery, Adult Reconstruction and Joint Replacement Service, Hospital for Special Surgery, New York, New York
| | - Jonathan M Vigdorchik
- Department of Orthopedic Surgery, Adult Reconstruction and Joint Replacement Service, Hospital for Special Surgery, New York, New York
| | - Seth A Jerabek
- Department of Orthopedic Surgery, Adult Reconstruction and Joint Replacement Service, Hospital for Special Surgery, New York, New York
| | - Elizabeth B Gausden
- Department of Orthopedic Surgery, Adult Reconstruction and Joint Replacement Service, Hospital for Special Surgery, New York, New York
| | - Peter K Sculco
- Department of Orthopedic Surgery, Adult Reconstruction and Joint Replacement Service, Hospital for Special Surgery, New York, New York
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Klein A, Bordes M, Viste A, Fessy M. Dual-mobility tripod cup for revision hip arthroplasty: long-term (five to fourteen years) evaluation of a new generation cementless implant. Int Orthop 2024; 48:1241-1247. [PMID: 38499712 DOI: 10.1007/s00264-024-06144-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/13/2024] [Accepted: 03/06/2024] [Indexed: 03/20/2024]
Abstract
PURPOSE The aims of this study were to evaluate the survivorships of a new generation cementless DMC with tripod additional fixation in revision total hip arthroplasty and complications at a minimum five year follow-up. METHODS One hundred and fifteen revisions (THA) treated with tripod DMC performed between 2009 and 2015 were included in this retrospective study. Acetabular defects were classified as Paprosky 1 (n = 38, 33%), 2 (n = 75, 65%) or 3 (n = 2, 2%). Unipolar or bipolar revision was performed for the following indications: aseptic acetabular loosening (63%), infection (14%), aseptic bipolar loosening (11%), instability (4%), aseptic femoral loosening (3%), ALVAL (3%) and iliopsoas impingement (2%). Mean follow-up was 9.4 years ± two (range, 5 to 14). RESULTS At the final follow-up, a single episode of dislocation occurred within three months after the procedure (0.8%) with no revision. Three cases of aseptic loosening were diagnosed (2.6%). Four infections (3.5%) required reoperation: three required a two stage bipolar revision; one was treated by DAIR procedure. At the latest follow-up, the survivorship of the acetabular cup for aseptic loosening was 98% [95% CI (91.2-99.4)] and for any reasons was 94.4% [95% CI (90.1%-98.9%)]; the mean HHS improved from 60 points (range, 18-94 points) to 83 points (range, 37-100 points) (p < .001). CONCLUSION This study reports a low complication rate in favour of the use of a tripod DMC in revision THA with a satisfactory survivorship at a ten year follow-up.
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Affiliation(s)
- Aurélien Klein
- Hospices Civils de Lyon, Hôpital Lyon Sud, Chirurgie Orthopédique Et Traumatologique, 165 Chemin du Grand Revoyet, 69495, Pierre Benite Cedex, France
| | - Maxence Bordes
- Hospices Civils de Lyon, Hôpital Lyon Sud, Chirurgie Orthopédique Et Traumatologique, 165 Chemin du Grand Revoyet, 69495, Pierre Benite Cedex, France
| | - Anthony Viste
- Hospices Civils de Lyon, Hôpital Lyon Sud, Chirurgie Orthopédique Et Traumatologique, 165 Chemin du Grand Revoyet, 69495, Pierre Benite Cedex, France.
- Univ Lyon, Univ Gustave Eiffel, Univ Claude Bernard Lyon 1, LBMC UMR_T9406, 69622, Lyon, France.
| | - Michel Fessy
- Hospices Civils de Lyon, Hôpital Lyon Sud, Chirurgie Orthopédique Et Traumatologique, 165 Chemin du Grand Revoyet, 69495, Pierre Benite Cedex, France
- Univ Lyon, Univ Gustave Eiffel, Univ Claude Bernard Lyon 1, LBMC UMR_T9406, 69622, Lyon, France
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Scott DF, Eppich K, Mehić E, Gray C, Smith CL, Johnston M. 15-year survivorship of a unique dual-modular femoral stem in primary hip arthroplasty. BMC Musculoskelet Disord 2024; 25:312. [PMID: 38649874 PMCID: PMC11036691 DOI: 10.1186/s12891-024-07422-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/14/2023] [Accepted: 04/06/2024] [Indexed: 04/25/2024] Open
Abstract
BACKGROUND Hip offset, version, and length are interdependent femoral variables which determine stability and leg length. Balancing these competing variables remains a core challenge in hip arthroplasty. The potential benefits of modular femoral stems have been overshadowed by higher rates of failure. The objective of this study was to assess the survivorship of a unique dual-modular femoral stem at an average 15-year follow-up period. METHODS The records of all patients with osteoarthritis who underwent primary total hip arthroplasty with this device between 2004-2009 were reviewed. There were no exclusions for BMI or other factors. We examined the data with Kaplan-Meier survival analysis. The primary endpoint for survival was mechanical failure of the modular neck-body junction. RESULTS The survivorship of this device in 172 subjects was 100% with none experiencing mechanical failure of the modular junction at an average of 15 years. 60 patients died of causes unrelated to their THA and 9 patients were lost to follow-up. There were three early (≤ 12 months) dislocations (1.7%), and seven total dislocations (4.1%). 16 patients underwent reoperations during the follow-up period, none for any complication of the modular junction. Radiographic results showed well-fixed femoral stems in all cases. There were no leg length discrepancies of greater than 10 mm, and 85% were within 5 mm. CONCLUSION There were no mechanical failures of the modular junction in any of the subjects over the average 15-year period, demonstrating that this dual-modular design is not associated with increased failure rates. We achieved a 1.7% early dislocation rate and a 4.1% total dislocation rate without any clinically significant leg length discrepancies.
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Affiliation(s)
- David F Scott
- Elson S. Floyd College of Medicine at Washington State University, 412 E Spokane Falls, Blvd, Spokane, WA, 99202, USA
- Spokane Joint Replacement Center, Inc., Spokane, WA, USA
| | - Kade Eppich
- Elson S. Floyd College of Medicine at Washington State University, 412 E Spokane Falls, Blvd, Spokane, WA, 99202, USA
| | - Edin Mehić
- University of Washington, School of Medicine, Seattle, WA, USA
| | - Celeste Gray
- Spokane Joint Replacement Center, Inc., Spokane, WA, USA
| | - Crystal Lederhos Smith
- Elson S. Floyd College of Medicine at Washington State University, 412 E Spokane Falls, Blvd, Spokane, WA, 99202, USA
| | - Michael Johnston
- Elson S. Floyd College of Medicine at Washington State University, 412 E Spokane Falls, Blvd, Spokane, WA, 99202, USA.
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Ratnasamy PP, Oghenesume OP, Joo PY, Grauer JN. Billing rules / global period affect postoperative follow-up practices following total hip arthroplasty. PLoS One 2024; 19:e0300460. [PMID: 38635750 PMCID: PMC11025944 DOI: 10.1371/journal.pone.0300460] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/17/2023] [Accepted: 02/27/2024] [Indexed: 04/20/2024] Open
Abstract
BACKGROUND Total hip arthroplasty (THA) is a common procedure following which postoperative visits are important to optimize outcomes. The associated global billing period includes the 90 postoperative days (or approximately 13 weeks), during which professional billing is included with the surgery itself. The current study assessed clinical practice patterns relative to the global billing period. METHODS Using the PearlDiver M91Ortho dataset, the incidence and timing of Evaluation and Management (E&M) codes in the 26 weeks following THA were assessed. The follow-up visits within and beyond the global billing period, and those conducted by surgeons versus non-surgeon advanced practice providers (APPs) were determined. RESULTS 77,843 THAs were identified. Follow-up visits peaked at postoperative weeks 3, 7, and 14. The greatest week-to-week variation in the number of follow-ups was from weeks 13 to 14 immediately following the global billing period (representing a greater than 4-fold increase in visits.) During the first 13 postop weeks, 73.8% of patients were seen by orthopedic surgeons (as opposed to APPs). In the following 13 weeks, a significantly greater percentage of visits were with surgeons (86.8%, p<0.0001). CONCLUSIONS Following the THA global billing period, there was marked increase in the number of follow-ups and transition to a greater percentage being performed by the surgeons. These results provide interesting insight into the potential impact of the billing structure on how practice is pursued.
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Affiliation(s)
- Philip P. Ratnasamy
- Department of Orthopedics & Rehabilitation, Yale School of Medicine, New Haven, Connecticut, United States of America
| | - Oghenewoma P. Oghenesume
- Department of Orthopedics & Rehabilitation, Yale School of Medicine, New Haven, Connecticut, United States of America
| | - Peter Y. Joo
- Department of Orthopedics & Rehabilitation, Yale School of Medicine, New Haven, Connecticut, United States of America
| | - Jonathan N. Grauer
- Department of Orthopedics & Rehabilitation, Yale School of Medicine, New Haven, Connecticut, United States of America
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Freund SS, Thorn APJ, Puri A, Petersen MM, Baad-Hansen T. Elevated cobalt levels in metal-on-polyethylene knee megaprostheses: a prospective 1-year cohort study of 56 patients with hip and knee megaprostheses. Acta Orthop 2024; 95:174-179. [PMID: 38629902 PMCID: PMC11022749 DOI: 10.2340/17453674.2024.40502] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/13/2023] [Accepted: 03/13/2023] [Indexed: 04/19/2024] Open
Abstract
BACKGROUND AND PURPOSE Concerns have emerged regarding elevated levels of cobalt and chromium in patients with metal-on-metal megaprostheses. This prospective study aims to identify systemic cobalt and chromium levels in metal-on-polyethylene knee and hip megaprostheses and their associations with other factors. METHODS 56 patients underwent knee or hip megaprosthesis surgery at 2 sarcoma centers. Serum cobalt and chromium levels were measured preoperatively and thrice within the first year using inductively coupled plasma mass spectrometry. RESULTS A statistically significant difference in serum cobalt levels (1.4 ppb; 95% confidence interval [CI] 0.0-3.3) was observed 1 year after knee megaprosthesis surgery compared with preoperative levels. In contrast no difference in chromium levels was observed after 1 year compared with preoperative levels (0.05 ppb; CI 0.0-0.8). An association between younger age, higher eGFR, and increased cobalt levels was observed. No significant correlations were found between ion levels and resection length or the number of modular connections. CONCLUSION We found elevated serum ion levels in metal-on-polyethylene knee megaprostheses in contrast to metal-on-polyethylene hip megaprostheses. Furthermore, a positive correlation between cobalt and chromium levels, and between cobalt and eGFR was identified, along with a negative correlation between cobalt and age. This study highlights the importance of monitoring systemic cobalt and chromium levels in patients with megaprostheses.
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Affiliation(s)
| | - Andrea Pohly Jeppesen Thorn
- Musculoskeletal Tumor Section of the Department of Orthopedic Surgery, Rigshospitalet - University of Copenhagen, Denmark
| | - Ajay Puri
- Orthopedic Oncology, Tata Memorial Centre, HBNI, Mumbai, India
| | - Michael Mørk Petersen
- Musculoskeletal Tumor Section of the Department of Orthopedic Surgery, Rigshospitalet - University of Copenhagen, Denmark
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Parihar A, Deckard ER, Buller LT, Meneghini RM. Instability in Patients With Lumbar Spine Disease Undergoing Posterior Approach and Lateral Approach Primary Total Hip Arthroplasty. J Am Acad Orthop Surg 2024; 32:e396-e404. [PMID: 38175997 DOI: 10.5435/jaaos-d-23-00885] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/27/2023] [Accepted: 11/18/2023] [Indexed: 01/06/2024] Open
Abstract
INTRODUCTION Dislocation rates in patients who have fixed spinopelvic motion have been reported up to 20%. Few studies have directly compared dislocation rates in patients who have spine pathology undergoing total hip arthroplasty (THA) through different surgical approaches. This study compared postoperative dislocation rates in patients who had lumbar spine disease and underwent primary THA using a posterior or direct lateral approach. METHODS Between 2011 and 2017, consecutive cohorts of primary THAs were retrospectively reviewed. One surgeon routinely used a posterior approach, while the other used a direct lateral approach. Chart and radiographic review were conducted to identify patients who had lumbar spine disease. Dislocations among cohorts with and without lumbar spine disease were compared by posterior and direct lateral approaches. RESULTS The overall dislocation rate was 1.3% (15/1,198). The top four predictors of dislocation were presence of lumbar spine disease (odds ratio [OR] 5.0; P = 0.014), posterior surgical approach (OR, 6.5; P = 0.074), cases performed for fracture (OR, 4.4; P = 0.035), and women (OR, 4.6; P = 0.050). Dislocation rates among direct lateral approach patients who had lumbar spine pathology were significantly lower than posterior approach patients who had lumbar spine pathology (0.0% versus 3.6%; P = 0.011). DISCUSSION Although dislocation rates were low in both groups, study results suggest that a direct lateral approach for primary THA may reduce postoperative dislocations for patients who have limited spinopelvic motion due to lumbar spine pathology. Furthermore, surgeons using the posterior approach might consider optimizing the femoral head to acetabular cup ratio in patients who have lumbar spine disease.
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Affiliation(s)
- Amrit Parihar
- From the Department of Orthopaedic Surgery, Indiana University School of Medicine (Parihar, Buller, and Meneghini), and the Indiana Joint Replacement Institute, Indianapolis, Indiana (Deckard, and Meneghini)
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李 董, 张 勇, 陈 祖, 常 文, 丁 海. [Estimation of acetabular cup prosthesis coverage rate in total hip arthroplasty based on X-ray films]. Zhongguo Xiu Fu Chong Jian Wai Ke Za Zhi 2024; 38:461-465. [PMID: 38632067 PMCID: PMC11024525 DOI: 10.7507/1002-1892.202401109] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Subscribe] [Scholar Register] [Received: 01/28/2024] [Revised: 03/04/2024] [Accepted: 03/18/2024] [Indexed: 04/19/2024]
Abstract
Objective To explore the method of accurately estimating the acetabular cup prosthesis coverage rate (hereinafter referred to as "cup coverage rate") in total hip arthroplasty (THA) based on X-ray films, and to determine the effective parameters that can be used to estimate the cup coverage rate. Methods The three-dimensional printed pelvic models were established based on CT data of 16 healthy pelvis, and the acetabular prosthesis were implanted according to conventional THA procedure. The length and width of the uncovered area of the acetabular cup prosthesis were measured by a modified X-ray recording method with a rotating C-arm X-ray machine, and the cup coverage rate was calculated. Then the differences among the traditional anteroposterior X-ray recording method, the modified method, and actual measurement on pelvic model were statistically analyzed. The correlation between the area of the uncovered area of the prosthesis and its width and length was analyzed by using multiple linear regression analysis. Results The cup coverage rates of traditional method, modified method, and actual measurement were 78.22%±3.36%, 86.74%±3.61%, and 89.62%±2.62%, respectively, with significant differences ( P<0.05). The results of multiple linear regression analysis showed that the width and length were positively linear with the uncovered area of the prosthesis, and the regression equation was as follows: uncovered area of the prosthesis=-21.192+0.248×width+0.140×length, and the coefficient of determination R 2=0.857, P<0.001. Conclusion Compared with the traditional method, the modified method can more accurately evaluate the cup coverage rate during THA, and the width of the uncovered area of the prosthesis can be used as an effective reference for the cup coverage rate.
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Affiliation(s)
- 董 李
- 蚌埠医科大学第一附属医院骨科(安徽蚌埠 233000)Department of Orthopaedics, the First Affiliated Hospital of Bengbu Medical University, Bengbu Anhui, 233000, P. R. China
| | - 勇 张
- 蚌埠医科大学第一附属医院骨科(安徽蚌埠 233000)Department of Orthopaedics, the First Affiliated Hospital of Bengbu Medical University, Bengbu Anhui, 233000, P. R. China
| | - 祖庆 陈
- 蚌埠医科大学第一附属医院骨科(安徽蚌埠 233000)Department of Orthopaedics, the First Affiliated Hospital of Bengbu Medical University, Bengbu Anhui, 233000, P. R. China
| | - 文举 常
- 蚌埠医科大学第一附属医院骨科(安徽蚌埠 233000)Department of Orthopaedics, the First Affiliated Hospital of Bengbu Medical University, Bengbu Anhui, 233000, P. R. China
| | - 海 丁
- 蚌埠医科大学第一附属医院骨科(安徽蚌埠 233000)Department of Orthopaedics, the First Affiliated Hospital of Bengbu Medical University, Bengbu Anhui, 233000, P. R. China
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Xiong HZ, Xiang K, Liu XQ, Jin Y, Zhong HH, Wu SH, Peng JC. Clinical outcomes following direct anterior approach during total hip arthroplasty without hip extension: a retrospective comparative study. BMC Musculoskelet Disord 2024; 25:276. [PMID: 38600475 PMCID: PMC11005236 DOI: 10.1186/s12891-024-07416-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/07/2024] [Accepted: 04/04/2024] [Indexed: 04/12/2024] Open
Abstract
BACKGROUND Traditional total hip arthroplasty (THA) using the direct anterior approach (DAA) requires a hip extension. This study aimed to compare the clinical outcomes of patients undergoing THA with DAA using either the no hip extension (NHE) or the traditional hip extension (THE) strategy. METHODS A retrospective analysis of demographics, clinical and radiological outcomes, and occurrence of complications was performed using data from 123 patients treated between January 2020 and November 2021. The patients were categorised into two groups: NHE (84 patients) and THE (39 patients). RESULTS The NHE group exhibited shorter operative time and had more male participants with higher ages. Comparable outcomes were observed in the visual analogue scale, Harris Hip, and Oxford Hip scores at the final follow-up. Furthermore, complications were observed in the NHE and THE groups, including two and one greater trochanteric fractures and three and one transfusions, respectively. CONCLUSIONS Compared to the THE, employing the NHE strategy during THA with DAA in elderly and young female patients resulted in comparable clinical outcomes with several advantages, such as favourable surgical time. The NHE method also exhibited good safety and effectiveness. Therefore, the NHE strategy may be a favourable option for elderly and young female patients.
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Affiliation(s)
- Hua-Zhang Xiong
- Department of Orthopedic Surgery, Affiliated Hospital of Zunyi Medical University, 149# Dalian Road, Zunyi, 563003, People's Republic of China
| | - Kuan Xiang
- Department of Orthopedic Surgery, Affiliated Hospital of Zunyi Medical University, 149# Dalian Road, Zunyi, 563003, People's Republic of China
| | - Xiu-Qi Liu
- Department of Orthopedic Surgery, Affiliated Hospital of Zunyi Medical University, 149# Dalian Road, Zunyi, 563003, People's Republic of China
| | - Ying Jin
- Department of Orthopedic Surgery, Affiliated Hospital of Zunyi Medical University, 149# Dalian Road, Zunyi, 563003, People's Republic of China
| | - He-He Zhong
- Department of Orthopedic Surgery, Affiliated Hospital of Zunyi Medical University, 149# Dalian Road, Zunyi, 563003, People's Republic of China
| | - Shu-Hong Wu
- Department of Orthopedic Surgery, Affiliated Hospital of Zunyi Medical University, 149# Dalian Road, Zunyi, 563003, People's Republic of China
| | - Jia-Chen Peng
- Department of Orthopedic Surgery, Affiliated Hospital of Zunyi Medical University, 149# Dalian Road, Zunyi, 563003, People's Republic of China.
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Hasegawa M, Naito Y, Tone S, Sudo A. Comparison between accuracy of augmented reality computed tomography-based and portable augmented reality-based navigation systems for cup insertion in total hip arthroplasty. Sci Rep 2024; 14:8332. [PMID: 38594498 PMCID: PMC11004011 DOI: 10.1038/s41598-024-59115-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2023] [Accepted: 04/08/2024] [Indexed: 04/11/2024] Open
Abstract
Augmented reality (AR) has been used for navigation during total hip arthroplasty (THA). AR computed tomography (CT)-based navigation systems and AR-based portable navigation systems that use smartphones can also be used. This study compared the accuracy of cup insertion during THA using AR-CT-based and portable AR-based navigation systems. Patients with symptomatic hip disease who underwent primary THA in the supine position using both AR CT-based and portable AR-based navigation systems simultaneously between October 2021 and July 2023 were included. The primary outcome of this study was the absolute difference between cup angles in the intraoperative navigation record and those measured on postoperative CT. The secondary outcome was to determine the factors affecting the absolute value of the navigation error in radiographic inclination (RI) and radiographic anteversion (RA) of the cup, including sex, age, body mass index, left or right side, approach, and preoperative pelvic tilt. This study included 94 consecutive patients. There were 11 men and 83 women, with a mean age of 68 years. The mean absolute errors of RI were 2.7° ± 2.0° in the AR CT-based and 3.3° ± 2.4° in the portable AR-based navigation system. The mean absolute errors of RA were 2.5° ± 2.1° in the AR CT-based navigation system and 2.3° ± 2.2° in the portable AR-based navigation system. No significant differences were observed in RI or RA of the cup between the two navigation systems (RI: p = 0.706; RA: p = 0.329). No significant factors affected the absolute value of the navigation errors in RI and RA. In conclusion, there were no differences in the accuracy of cup insertion between the AR CT-based and portable AR-based navigation systems.
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Affiliation(s)
- Masahiro Hasegawa
- Department of Orthopaedic Surgery, Mie University Graduate School of Medicine, 2-174 Edobashi, Tsu City, Mie, 514-8507, Japan.
| | - Yohei Naito
- Department of Orthopaedic Surgery, Mie University Graduate School of Medicine, 2-174 Edobashi, Tsu City, Mie, 514-8507, Japan
| | - Shine Tone
- Department of Orthopaedic Surgery, Mie University Graduate School of Medicine, 2-174 Edobashi, Tsu City, Mie, 514-8507, Japan
| | - Akihiro Sudo
- Department of Orthopaedic Surgery, Mie University Graduate School of Medicine, 2-174 Edobashi, Tsu City, Mie, 514-8507, Japan
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Hecht CJ, Porto JR, Sanghvi PA, Homma Y, Sculco PK, Kamath AF. Contemporary analysis of the learning curve for robotic-assisted total hip arthroplasty emerging technologies. J Robot Surg 2024; 18:160. [PMID: 38578350 DOI: 10.1007/s11701-024-01928-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/27/2024] [Accepted: 03/24/2024] [Indexed: 04/06/2024]
Abstract
Robotic assisted (RA) total hip arthroplasty (THA) offers improved acetabular component placement and radiographic outcomes, but inconsistent assessment methods of its learning curves render the evaluation of adopting novel platforms challenging. Therefore, we conducted a systematic review to assess the learning curve associated with RA-THA, both tracking a surgeon's performance across initial cases and comparing their performance to manual THA (M-THA). PubMed, MEDLINE, EBSCOhost, and Google Scholar were searched on June 16, 2023, to identify studies published between January 1, 2000 and June 16, 2023 (PROSPERO registration: CRD42023437339). The query yielded 655 unique articles, which were screened for eligibility. The final analysis included 11 articles, evaluating 1351 THA procedures. Risk of bias was assessed via the Methodological Index for Nonrandomized Studies (MINORS) tool. The mean MINORS score was 21.3 ± 0.9. RA-THA provided immediate improvements in acetabular component placement accuracy and radiographic outcomes compared to M-THA, with little to no experience required to achieve peak proficiency. A modest learning curve (12-17 cases) was associated with operative time, which was elevated compared to M-THA (+ 9-13 min). RA-THA offers immediate advantages to M-THA for component placement accuracy and radiographic outcomes. Surgeons should expect to experience increased operative times, which become less pronounced or equivalent to M-THA after a modest caseload.
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Affiliation(s)
- Christian J Hecht
- Department of Orthopaedic Surgery, Center for Hip Preservation, Cleveland Clinic Foundation, 9500 Euclid Avenue, Cleveland, OH, 44195, USA
| | - Joshua R Porto
- Department of Orthopaedic Surgery, Center for Hip Preservation, Cleveland Clinic Foundation, 9500 Euclid Avenue, Cleveland, OH, 44195, USA
| | - Parshva A Sanghvi
- Department of Orthopaedic Surgery, Center for Hip Preservation, Cleveland Clinic Foundation, 9500 Euclid Avenue, Cleveland, OH, 44195, USA
| | - Yasuhiro Homma
- Department of Medicine for Orthopaedics and Motor Organs, Juntendo University Graduate School of Medicine, Bunkyo-ku, Tokyo, Japan
- Department of Orthopaedics, Faculty of Medicine, Juntendo University, Bunkyo-ku, Tokyo, Japan
| | - Peter K Sculco
- Department of Orthopaedic Surgery, Hospital for Special Surgery, New York, NY, 10021, USA
| | - Atul F Kamath
- Department of Orthopaedic Surgery, Center for Hip Preservation, Cleveland Clinic Foundation, 9500 Euclid Avenue, Cleveland, OH, 44195, USA.
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LaValva SM, Chiu YF, Fowler MJ, Lyman S, Carli AV. Robotics and Navigation Do Not Affect the Risk of Periprosthetic Joint Infection Following Primary Total Hip Arthroplasty: A Propensity Score-Matched Cohort Analysis. J Bone Joint Surg Am 2024; 106:582-589. [PMID: 38324646 DOI: 10.2106/jbjs.23.00289] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/09/2024]
Abstract
BACKGROUND The use of computer navigation or robotic assistance during primary total hip arthroplasty (THA) has yielded numerous benefits due to more accurate component positioning. The utilization of these tools is generally associated with longer operative times and also necessitates additional surgical equipment and personnel in the operating room. Thus, the aim of this study was to evaluate the impact of technology assistance on periprosthetic joint infection (PJI) after primary THA. METHODS We retrospectively reviewed the records for 12,726 patients who had undergone primary THA at a single high-volume institution between 2018 and 2021. Patients were stratified by surgical technique (conventional THA, computer-navigated THA [CN-THA], or robotic-assisted THA [RA-THA]) and were matched 1:1 with use of propensity score matching. Univariate and logistic regression analyses were performed to compare the rates of PJI within 90 days postoperatively between the cohorts. RESULTS After propensity score matching, there were 4,006 patients in the THA versus RA-THA analysis (2,003 in each group) and 5,288 patients in the THA versus CN-THA analysis (2,644 in each group). CN-THA (p < 0.001) and RA-THA (p < 0.001) were associated with longer operative times compared with conventional THA by 3 and 11 minutes, respectively. The rates of PJI after conventional THA (0.2% to 0.4%) were similar to those after CN-THA (0.4%) and RA-THA (0.4%). On the basis of logistic regression, the development of PJI was not associated with the use of computer navigation (odds ratio [OR], 1.8 [95% confidence interval (CI), 0.7 to 5.3]; p = 0.232) or robotic assistance (OR, 0.9 [95% CI, 0.3 to 2.3]; p = 0.808). CONCLUSIONS Despite longer operative times associated with the use of computer navigation and robotic assistance, the use of these tools was not associated with an increased risk of PJI within 90 days after surgery. LEVEL OF EVIDENCE Therapeutic Level III . See Instructions for Authors for a complete description of levels of evidence.
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Affiliation(s)
- Scott M LaValva
- Department of Orthopedic Surgery, Hospital for Special Surgery, New York, NY
| | - Yu-Fen Chiu
- Biostatistics Core, Research Administration, Hospital for Special Surgery, New York, NY
| | - Mia J Fowler
- Department of Orthopedic Surgery, Hospital for Special Surgery, New York, NY
| | - Stephen Lyman
- Department of Orthopedic Surgery, Hospital for Special Surgery, New York, NY
| | - Alberto V Carli
- Department of Orthopedic Surgery, Hospital for Special Surgery, New York, NY
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23
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Han KY, Jang J, Kim KH. Mid-term results of titanium-titanium modular neck femoral stem in primary total hip arthroplasty. BMC Musculoskelet Disord 2024; 25:259. [PMID: 38566097 PMCID: PMC10985879 DOI: 10.1186/s12891-024-07370-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/16/2024] [Accepted: 03/20/2024] [Indexed: 04/04/2024] Open
Abstract
BACKGROUND Modular neck femoral stems are advantageous because they can accurately restore the ideal hip geometry using various options in terms of offset, length, and version. However, there are concerns regarding junctional problems. Despite several reports on such issues, there is a lack of study on mid- to long-term results of these stems. The current study evaluated the mid-term results of patients who underwent primary total hip arthroplasty using a titanium-titanium (Ti-Ti) modular neck femoral stem. METHODS In total, data on 47 hips (42 patients) that could be followed-up for ≥ 5 years after primary total hip arthroplasty using the Ti-Ti modular neck femoral stem from 2011 to 2015 were reviewed. There were 22 male and 20 female patients, and their mean age was 56.3 (range: 31-76) years. The mean follow-up period was 8 (range: 5-12) years. Functional and radiological outcomes, complications, and reoperations were investigated. In addition, we conducted a comparative analysis of the outcomes between those who underwent surgery using the Ti-Ti modular neck femoral stem and 41 hips (35 patients, 19 males and 16 females) that underwent primary total hip arthroplasty using nonmodular femoral stems as a control. RESULTS In all Ti-Ti cases, the mean Harris Hip Scores were 50.6 (range: 6-59) preoperatively and 92.7 (range: 78-99) at the last follow-up (P < 0.001). Regarding the neck component's modularity, straight neck components were used in all Ti-Ti cases, and an anteverted or a retroverted neck was not used in any case. Stem revision was performed in one hip due to aseptic loosening. One hip underwent open reduction and internal fixation due to periprosthetic fracture without stem loosening. There were no cases of osteolysis and periprosthetic joint infection and clinically detectable junctional problems. The stem survival rate, with any stem revision as the endpoint, at 12 years was 96.6%. No significant difference was observed in the functional and radiological outcomes beween the Ti-Ti and nonmodular groups. CONCLUSIONS The Ti-Ti modular neck femoral stem had comparable results with broadly used nonmodular femoral stems; hence, it can be a reliable option in primary total hip arthroplasty. However, in terms of the modularity itself of the modular neck femoral stem, whether the modular neck femoral stem is useful in uncomplicated primary total hip arthroplasty is unclear.
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Affiliation(s)
- Kye Young Han
- Department of Orthopaedic Surgery, Madion Hospital, Anmasan-ro 107, Chuncheon-Si, 24455, Gangwon-Do, Republic of Korea
| | - Jinwon Jang
- Department of Orthopaedic Surgery, Kangwon National University Hospital, Baengnyeong-ro 156, Chuncheon-Si, 24289, Gangwon-Do, Republic of Korea
| | - Keong-Hwan Kim
- Department of Orthopaedic Surgery, Kangwon National University Hospital, Baengnyeong-ro 156, Chuncheon-Si, 24289, Gangwon-Do, Republic of Korea.
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24
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Thejeel B, Lin J, Queler S, Nimura C, Lin Y, Valle AGD, Sneag DB. Magnetic resonance imaging of femoral nerve injury in the setting of anterior approach total hip arthroplasty. Clin Imaging 2024; 108:110112. [PMID: 38457906 DOI: 10.1016/j.clinimag.2024.110112] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/12/2023] [Revised: 02/01/2024] [Accepted: 02/24/2024] [Indexed: 03/10/2024]
Abstract
PURPOSE To illustrate MRI findings in patients with femoral neuropathy following anterior approach total hip arthroplasty (THA). METHODS This was a retrospective review of patients who underwent MRI for femoral neuropathy following anterior approach THA between January 1, 2010, and July 1, 2022. Included patients had no preexisting neurologic condition. Clinical and diagnostic data were collected. MRIs were reviewed in consensus by 2 musculoskeletal radiologists. RESULTS A total of 115 patient records were reviewed, 17 of which were included in the final analysis (mean age 64 years; 11 females). Study subjects presented with weakness with hip flexion and knee extension and pain and numbness in the femoral nerve distribution. In 7 subjects, the femoral nerve appeared normal. In 5 subjects, the femoral nerve was hyperintense on fluid-sensitive fat-suppressed imaging. In 4 patients, mass effect on the femoral nerve by either ill-defined soft tissue edema (n = 2), seroma (n = 1), or heterotopic ossification (n = 1) was detected. Only 1 patient had a nerve transection. Patients were imaged at a median time of 8 months (range: 1 day to 11 years) following arthroplasty placement. Clinical follow-up was available in 8 patients, of whom half had complete symptomatic resolution and half had partial improvement at a mean follow-up time of 39.3 months (SD 51.1). Of these 8, 1 underwent revision arthroplasty, 1 had removal of hardware, and another had excision of heterotopic ossification. CONCLUSION MRI provides a means to directly evaluate the femoral nerve following anterior approach THA in both the immediate and chronic postoperative periods.
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Affiliation(s)
- Bashiar Thejeel
- Department of Radiology and Imaging, Hospital for Special Surgery, 535 E. 70(th) Street, New York, NY 10021, United States of America.
| | - Ji Lin
- Department of Radiology and Imaging, Hospital for Special Surgery, 535 E. 70(th) Street, New York, NY 10021, United States of America.
| | - Sophie Queler
- Department of Radiology and Imaging, Hospital for Special Surgery, 535 E. 70(th) Street, New York, NY 10021, United States of America.
| | - Clare Nimura
- Department of Radiology and Imaging, Hospital for Special Surgery, 535 E. 70(th) Street, New York, NY 10021, United States of America.
| | - Yenpo Lin
- Department of Radiology and Imaging, Hospital for Special Surgery, 535 E. 70(th) Street, New York, NY 10021, United States of America; Department of Medical Imaging and Intervention, Chang Gung Memorial Hospital, No.5, Fuxing Street, Taoyuan 33305, Taiwan.
| | - Alejandro Gonzalez Della Valle
- Department of Orthopedic Surgery, Division of Hip and Knee Replacement, Hospital for Special Surgery, 535 E. 70(th) Street, New York, NY 10021, United States of America.
| | - Darryl B Sneag
- Department of Radiology and Imaging, Hospital for Special Surgery, 535 E. 70(th) Street, New York, NY 10021, United States of America.
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Ramadanov N, Voss M, Hable R, Prill R, Hakam HT, Salzmann M, Dimitrov D, Becker R. Patient-related Predictors for the Functional Outcome of SuperPATH Hemiarthroplasty versus Conventional Approach Hemiarthroplasty: A Systematic Review and Meta-regression Analysis of Randomized Controlled Trials. Orthop Surg 2024; 16:791-801. [PMID: 38298174 PMCID: PMC10984811 DOI: 10.1111/os.14006] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/09/2023] [Revised: 01/09/2024] [Accepted: 01/09/2024] [Indexed: 02/02/2024] Open
Abstract
Specialist literature lacks evidence that explores associations between patient characteristics and the beneficial treatment effect of SuperPATH hemiarthroplasty (HA) compared with conventional approach (CA) HA. To investigate and identify patient-related predictors of the effect size of the short-term functional outcome of SuperPATH HA and CA HA by performing a systematic review and meta-regression analysis of randomized controlled trials (RCTs). A systematic search of literature was performed in PubMed, CNKI, CENTRAL of The Cochrane Library, Clinical trials, and Google Scholar until August 25, 2023. For the continuous outcome parameter Harris hip score (HHS) ≤1 week and 3 months postoperatively, mean differences (MDs) with 95% confidence intervals (CIs) were calculated. A meta-regression analysis was based on random-effects meta-analysis using the Hartung-Knapp-Sidik-Jonkman method for continuous covariates. A total of five RCTs with 404 patients were found. The following predictors of HHS ≤1 week postoperatively were identified: patient age (predictor estimate = 1.29; p < 0.01), patient age groups (predictor estimate = 14.07; p < 0.01), time to mobilization (predictor estimate = 5.51; p < 0.01). The following predictors of HHS 3 months postoperatively were identified: incision length (predictor estimate = -2.12; p < 0.01); intraoperative blood loss (predictor estimate = 0.02; p < 0.01). Patient age, time to mobilization, incision length, and intraoperative blood loss were identified as predictors of the effect size of early postoperative functional outcome as measured by HHS. Elderly patients, particularly those over 70 years of age, appear to benefit from SuperPATH HA. Based on these findings, and taking into account our limitations, we recommend that the use of minimally invasive SuperPATH HA in elderly patients should be more widely considered and not limited to elective THA patients.
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Affiliation(s)
- Nikolai Ramadanov
- Center of Orthopedics and TraumatologyUniversity Hospital Brandenburg an der Havel, Brandenburg Medical School Theodor FontaneBrandenburg an der HavelGermany
- Faculty of Health Science BrandenburgBrandenburg Medical School Theodor FontaneBrandenburg an der HavelGermany
| | - Maximilian Voss
- Center of Orthopedics and TraumatologyUniversity Hospital Brandenburg an der Havel, Brandenburg Medical School Theodor FontaneBrandenburg an der HavelGermany
| | - Robert Hable
- Faculty of Applied Computer ScienceDeggendorf Institute of TechnologyDeggendorfGermany
| | - Robert Prill
- Center of Orthopedics and TraumatologyUniversity Hospital Brandenburg an der Havel, Brandenburg Medical School Theodor FontaneBrandenburg an der HavelGermany
- Faculty of Health Science BrandenburgBrandenburg Medical School Theodor FontaneBrandenburg an der HavelGermany
| | - Hassan Tarek Hakam
- Center of Orthopedics and TraumatologyUniversity Hospital Brandenburg an der Havel, Brandenburg Medical School Theodor FontaneBrandenburg an der HavelGermany
- Faculty of Health Science BrandenburgBrandenburg Medical School Theodor FontaneBrandenburg an der HavelGermany
| | - Mikhail Salzmann
- Center of Orthopedics and TraumatologyUniversity Hospital Brandenburg an der Havel, Brandenburg Medical School Theodor FontaneBrandenburg an der HavelGermany
- Faculty of Health Science BrandenburgBrandenburg Medical School Theodor FontaneBrandenburg an der HavelGermany
| | - Dobromir Dimitrov
- Department of Surgical Propedeutics, Faculty of MedicineMedical University of PlevenPlevenBulgaria
| | - Roland Becker
- Center of Orthopedics and TraumatologyUniversity Hospital Brandenburg an der Havel, Brandenburg Medical School Theodor FontaneBrandenburg an der HavelGermany
- Faculty of Health Science BrandenburgBrandenburg Medical School Theodor FontaneBrandenburg an der HavelGermany
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Herold D, Kuttner A, Dreyer L, Eingartner C. Mid-term results of a cementless hip stem in femoral revision: how much diaphyseal press-fit do we need? Arch Orthop Trauma Surg 2024; 144:1813-1820. [PMID: 38217640 PMCID: PMC10965576 DOI: 10.1007/s00402-023-05191-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/01/2023] [Accepted: 12/19/2023] [Indexed: 01/15/2024]
Abstract
INTRODUCTION The aim of this retrospective study was to analyze the clinical and functional outcome of a modular tapered revision hip stem after mid-term follow-up with a special focus on the length of the distal bicortical fixation of the cementless hip stem. MATERIALS AND METHODS Follow-up examination was carried out for all patients with implantation of the Prevision hip stem between 2014 and 2019 to collect demographic, functional, and radiographic data. RESULTS 44 patients with stem in situ were examined, and 61 patients could be included in the Kaplan-Meier survival analysis. Oxford's hip score was 37.3 at the mean follow-up of 4.0 years. Two hip stem revisions were performed due to periprosthetic infection, which resulted in a hip stem survival rate of 96.7% (CI: 87.4-99.1%) at the final follow-up of 7.5 years. No aseptic hip stem revision was required. The length of bicortical distal fixation was in the interquartile range of 6.8 to 9.0 cm, which was associated with good bone healing and a low rate of subsidence (4.5%). Implant-associated complications were observed in 10 cases (21.7%). CONCLUSIONS The modular revision hip stem provides promising results at medium-term follow-up, with satisfactory clinical and functional outcomes comparable to other modular revision hip stems. The presented length of bicortical distal fixation shows the practice of the study center and was associated with good implant survival, bone healing and radiological results. REGISTRATION Clinicaltrials.gov registration: NCT04833634 registered on April 6, 2021.
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Shigemura T, Kamikawa K, Yamamoto Y, Murata Y. Sex-based differences in neck selectivity in total hip arthroplasty using a modular femoral neck system. Int J Artif Organs 2024; 47:290-298. [PMID: 38584296 DOI: 10.1177/03913988241243021] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/09/2024]
Abstract
BACKGROUND Dislocation is a major complication of total hip arthroplasty (THA). The modular femoral neck system provides practical advantages by allowing adjustment of neck version and length in the presence of intraoperative instability. Anatomical studies have identified morphological differences in the hip joint between men and women. Despite sex-based differences in hip morphology, it remains unclear whether such differences affect neck selectivity in THA using a modular neck system and whether this approach achieves anatomical reconstruction, thereby reducing complications such as dislocation. This study aimed to investigate gender differences in neck selectivity in THA with the modular neck system and assess the clinical impact of the modular neck system. METHODS A total of 163 THAs using a modular neck system were included in this study. Data on the type of modular neck and intraoperative range of motion (ROM) were retrieved from patient records. Pre- and post-operative leg length differences (LLD) were examined as part of the radiographic assessment. Dislocation was investigated as a postoperative complication. RESULTS Neck selectivity did not significantly differ between men and women. The comparison of pre- and post-operative LLD revealed a tendency for varus necks to improve LLD more than version-controlled necks. Furthermore, no significant correlation was found between intraoperative ROM and neck selectivity, or postoperative dislocation and neck selectivity. CONCLUSIONS This study on THA with a modular neck system provided valuable insights into sex-based differences in neck selectivity and highlighted the potential benefits of the modular neck system in addressing LLD and preventing postoperative dislocation.
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Schwartz C, Bussiere C, Chalencon F, Cladiere F, Forgeois P, Fornasieri C. Over ten-year follow-up results of a prospective and consecutive series of primary total hip arthroplasty with an original cementless total hip prosthesis. Int Orthop 2024; 48:945-954. [PMID: 38153431 PMCID: PMC10933205 DOI: 10.1007/s00264-023-06071-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/28/2023] [Accepted: 12/12/2023] [Indexed: 12/29/2023]
Abstract
PURPOSE High survival rates up to ten years have been reported for non-cemented hip replacements. Publications beyond ten years have more diverse conclusions. To study the long-term survival of uncemented total hip replacement (THR), we examined a series of 125 THR, all with a minimum follow-up of ten years. METHODS This is a prospective study of 203 patients operated for coxarthrosis between 2007 and 2011, by six senior surgeons. The original ellipsoidal stem and the impacted acetabulum were systematically cementless; the acetabulum had either a fixed ceramic or polyethylene insert, or a dual-mobility insert. At the date of the follow-up check, 44 patients were deceased and 34 patients were lost to follow-up. This left 125 complete files for our study. RESULTS They were a revision of the cup in four cases and a revision of the femoral stem in three cases (3.4%). The Kaplan-Meier cumulative survival rate of the THR, by considering revision for any reason as endpoint, at ten years (120 months) is estimated at 96.6% (CI 92.7-98.7). Radiologically, on 86 analyses (68.8%) at ten years and more reported, no significant evolution of the appearance of the cancellous bone around the acetabular cup was noted, nor any ossification. Some periprosthetic osteogenesis reactions were noted around the 1/3 distal but no periprosthetic edging. CONCLUSION In this minimum ten-year follow-up study, a cementless THR with a straight ellipsoidal cementless stem and a press-fit cup provides excellent implant survival and high patient satisfaction. (Clinically felt minimal difference.).
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Affiliation(s)
| | - Christophe Bussiere
- Centre Orthopédique de Dracy-Le-Fort, 2 Rue du Pressoir, 71640, Dracy-Le-Fort, France
| | | | - Franck Cladiere
- Clinique Pasteur, 180 Rue Pierre CurieGuilherand, 07500, Granges, France
| | - Philippe Forgeois
- Clinique Saint-Amé, Rue Georges Clémenceau, 59552, Lambres Lez Douai, France
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Sun C, Lee WG, Ma Q, Zhang X, Song F, Cai X. The effect of intraoperative fluoroscopy on acetabular component positioning and patient anatomy restoration during posterior or posterolateral approach total hip arthroplasty: a meta-analysis. Arch Orthop Trauma Surg 2024; 144:1781-1792. [PMID: 38147077 DOI: 10.1007/s00402-023-05168-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/10/2023] [Accepted: 11/26/2023] [Indexed: 12/27/2023]
Abstract
BACKGROUND Positioning implant components and restoring patient anatomy during total hip arthroplasty (THA) are essential for joint stability, polyethylene liner wear, and range of motion. Previous studies comparing intraoperative fluoroscopy with no fluoroscopy during the posterior or posterolateral approach have reported conflicting results. This meta-analysis evaluated if intraoperative fluoroscopy improves component positioning and femoral component position compared to no fluoroscopy during posterior or posterolateral approach total hip arthroplasty. METHODS The Preferred Reporting Items for Systematic Reviews and Meta-Analyses standards were followed when conducting the systematic review. We searched Web of Science, Embase, PubMed, Cochrane Controlled Trials Register, Cochrane Library, Highwire, CBM, CNKI, VIP, and Wanfang database in May 2023 to identify studies involving Intraoperative fluoroscopy versus no fluoroscopy during posterior or posterolateral approach total hip arthroplasty. Finally, we identified 1133 patients (1145 hips) assessed in seven studies. RESULTS There were no significant differences in terms of acetabular cup inclination angle (ACIA, P = 0.43), ACIA within safe zone rate (P = 0.58), acetabular cup anteversion angle (ACAA, P = 0.46); ACAA within safe zone rate (P = 0.72), Combined safe zone rate (P = 0.28), dislocation rate (P = 0.64) and infection rate (P = 0.94) between two groups. Compared with the no fluoroscopy group, the intraoperative fluoroscopy group had more operation time (P < 0.00001), less femoral component offset difference (FCOD, P = 0.03), and less LLD (P < 0.00001). CONCLUSION Even though intraoperative fluoroscopy was not related to an improvement in cup location or dislocation incidence. Our findings demonstrate that the restoration of leg lengths and femoral offset can be significantly improved by using intraoperative fluoroscopy to supplement good surgical skills in THA. The advantages of intraoperative fluoroscopy might become more apparent for surgeons with less experience. To ascertain whether intraoperative fluoroscopy for posterior or posterolateral approach total hip arthroplasty will have clinical benefits and improve the survival of prostheses, more well-powered and well-designed long-term follow-up studies were necessary.
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Affiliation(s)
- Changjiao Sun
- Department of Orthopedic, Beijing Tsinghua Changgung Hospital, School of Clinical Medicine, Tsinghua University, No. 168 Litang Road, Dongxiaokou Town, Changping District, Beijing, 102218, China
| | - Woo Guan Lee
- FRCS (Edinburgh) Kuching Specialist Hospital Sarawak, Tabuan Stutong Commercial Centre, 93350, Kuching Sarawak, Malaysia
| | - Qi Ma
- Department of Orthopedic, Beijing Tsinghua Changgung Hospital, School of Clinical Medicine, Tsinghua University, No. 168 Litang Road, Dongxiaokou Town, Changping District, Beijing, 102218, China
| | - Xiaofei Zhang
- Department of Clinical Epidemiology and Biostatistics, Beijing Tsinghua Changgung Hospital, School of Clinical Medicine, Tsinghua University, No.168 Litang Road, Dongxiaokou Town, Changping District, Beijing, 102218, China
| | - Fei Song
- Department of Orthopedic, Beijing Tsinghua Changgung Hospital, School of Clinical Medicine, Tsinghua University, No. 168 Litang Road, Dongxiaokou Town, Changping District, Beijing, 102218, China.
| | - Xu Cai
- Department of Orthopedic, Beijing Tsinghua Changgung Hospital, School of Clinical Medicine, Tsinghua University, No. 168 Litang Road, Dongxiaokou Town, Changping District, Beijing, 102218, China.
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Richards JT, Slaven SE, Yow BG, Tracey RW, Mack AW, Cody JP. Rapid Return to Braking After Anterior and Posterior Approach Total Hip Arthroplasty. J Am Acad Orthop Surg Glob Res Rev 2024; 8:01979360-202404000-00008. [PMID: 38569087 PMCID: PMC10994538 DOI: 10.5435/jaaosglobal-d-23-00093] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/02/2023] [Revised: 02/07/2024] [Accepted: 02/19/2024] [Indexed: 04/05/2024]
Abstract
BACKGROUND Little is known about the effect of surgical approach on return to braking after total hip arthroplasty (THA), and few studies have investigated braking after THA with modern surgical techniques and rehabilitation protocols. METHODS In a prospective comparative design, we enrolled 65 patients who received right-sided primary THA at our institution from April 2018 through March 2020, 34 with a direct anterior approach (DAA) and 31 with a posterior approach (PA). Braking tests measuring brake reaction time (BRT) and brake pedal depression (BPD) were administered to patients preoperatively and at 1, 2, and 4 weeks postoperatively using a realistic driving simulator. BRT and BPD were compared between groups and preoperatively versus postoperatively using mixed-effects models. RESULTS Preoperative BRT averaged 638 msec in the DAA group and 604 msec in the PA group (P = 0.31). At 1 week postoperatively, the DAA group had significantly prolonged BRT compared with preoperatively (694 msec, P = 0.02). No significant difference was observed in the PA group (633 msec, P = 0.31). Both groups had returned to baseline by 2 weeks, and both had significantly faster BRT at 4 weeks compared with preoperatively (583 msec for DAA, P = 0.01; 537 msec for PA, P < 0.001). BPD was similar between groups, and there were no significant differences between preoperative and postoperative BPD at any time point. CONCLUSIONS With modern surgical techniques, BRT after right-sided THA returns to baseline levels approximately 2 weeks after surgery. There seems to be a quicker return to preoperative BRT observed in patients with a PA.
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Affiliation(s)
- John T. Richards
- From the Department of Orthopaedic Surgery, Uniformed Services University-Walter Reed Department of Surgery, Walter Reed National Military Medical Center, Bethesda, MD
| | - Sean E. Slaven
- From the Department of Orthopaedic Surgery, Uniformed Services University-Walter Reed Department of Surgery, Walter Reed National Military Medical Center, Bethesda, MD
| | - Bobby G. Yow
- From the Department of Orthopaedic Surgery, Uniformed Services University-Walter Reed Department of Surgery, Walter Reed National Military Medical Center, Bethesda, MD
| | - Robert W. Tracey
- From the Department of Orthopaedic Surgery, Uniformed Services University-Walter Reed Department of Surgery, Walter Reed National Military Medical Center, Bethesda, MD
| | - Andrew W. Mack
- From the Department of Orthopaedic Surgery, Uniformed Services University-Walter Reed Department of Surgery, Walter Reed National Military Medical Center, Bethesda, MD
| | - John P. Cody
- From the Department of Orthopaedic Surgery, Uniformed Services University-Walter Reed Department of Surgery, Walter Reed National Military Medical Center, Bethesda, MD
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Ramkumar PN, Olsen RJ, Shaikh HJF, Nawabi DH, Kelly BT. Modern Hip Arthroscopy for FAIS May Delay the Natural History of Osteoarthritis in 25% of Patients: A 12-Year Follow-up Analysis. Am J Sports Med 2024; 52:1137-1143. [PMID: 38459690 DOI: 10.1177/03635465241232154] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 03/10/2024]
Abstract
BACKGROUND Little is known about the effect of modern hip arthroscopy on the natural history of femoroacetabular impingement syndrome (FAIS) with respect to joint preservation. PURPOSE To (1) characterize the natural history of FAIS and (2) understand the effect of modern hip arthroscopy by radiographically comparing the hips of patients who underwent only unilateral primary hip arthroscopy with a minimum follow-up of 10 years. STUDY DESIGN Cohort study; Level of evidence, 3. METHODS Between 2010 and 2012, 619 consecutive patients were reviewed from the practice of a single fellowship-trained hip arthroscopic surgeon. Inclusion criteria were FAIS, bilateral radiographic findings of femoroacetabular impingement, primary unilateral hip arthroscopy (labral repair, femoroplasty, or capsular closure), and minimum 10-year follow-up. The preoperative and minimum 10-year postoperative radiographs of patients were evaluated at each time point. Both operative and nonoperative hips were graded using the Tönnis classification or the presence of hip arthroplasty by 2 independent reviewers. Subgroup analyses were performed. RESULTS A total of 200 hips from 100 patients were evaluated at a mean follow-up of 12.0 years. Preoperatively, 98% and 99% of operative and nonoperative hips were evaluated as Tönnis grades 0 and 1, respectively; 5% of nonoperative hips had worse Tönnis grades than operative hips. The nonoperative hip advanced to a worse Tönnis grade in 48% (48/100) of cases compared with 28% (28/100) among operative hips. At follow-up, Tönnis grades between hips were equal in 70% (70/100) of the cases, the operative hip had a better grade 25% (25/100) of the time, and the nonoperative hip had a better grade 5% (5/100) of the time. Modern hip arthroscopy was associated with a relative risk reduction of 42% in osteoarthritis progression. Impingement with borderline dysplasia, age, preoperative Tönnis grade, and alpha angle >65° were key risk factors in the radiographic progression of osteoarthritis. CONCLUSION Although the majority of patients (70%) undergoing hip arthroscopy for FAIS did not experience differences between operative and nonoperative hips in terms of the radiographic progression of osteoarthritis, the natural history may be favorably altered for 25% of patients whose Tönnis grade was better after undergoing arthroscopic correction. Modern hip arthroscopy indications and techniques represent a valid joint-preservation procedure conferring a relative risk reduction of 42% in the progression of osteoarthritis. Arthroscopy for mixed patterns of impingement and instability were the fastest to degenerate.
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Affiliation(s)
- Prem N Ramkumar
- Center for Hip Preservation, Hospital for Special Surgery, New York, New York, USA
- Long Beach Orthopaedic Institute, Long Beach, California, USA
| | - Reena J Olsen
- Center for Hip Preservation, Hospital for Special Surgery, New York, New York, USA
| | | | - Danyal H Nawabi
- Center for Hip Preservation, Hospital for Special Surgery, New York, New York, USA
| | - Bryan T Kelly
- Center for Hip Preservation, Hospital for Special Surgery, New York, New York, USA
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Vercruysse LYG, Milne LP, Harries DTC, de Steiger RN, Wall CJ. Lower Revision Rates and Improved Stability With a Monoblock Ceramic Acetabular Cup. J Arthroplasty 2024; 39:985-990. [PMID: 37871861 DOI: 10.1016/j.arth.2023.10.032] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/29/2023] [Revised: 10/09/2023] [Accepted: 10/14/2023] [Indexed: 10/25/2023] Open
Abstract
BACKGROUND Monoblock ceramic cups are designed to accommodate large-diameter femoral heads. This has the potential to offer the advantages of an increased range of motion and enhanced joint stability. These features could benefit younger and high-demand patients in need of total hip arthroplasty. The aim of this study was to assess the survival rate and the reasons for revision of the DeltaMotion cup. METHODS Data from the AOANJRR were analyzed for all patients who had undergone a primary conventional THA performed between January 1, 2001 and December 31, 2021. Only prostheses with ceramic/ceramic, ceramic/XLPE, metal/XLPE, or CM/XLPE bearing surfaces were included. The primary outcome measure was the cumulative percent revision for all causes. Secondary outcome measures were revision for dislocation/instability, ceramic breakage, or noise. A subanalysis for cup size was also performed. RESULTS There were 486,946 primary conventional THA procedures undertaken for any reason. Of these, 4,033 used the DeltaMotion cup and 482,913 were modular designs. The DeltaMotion cup had the lowest CPR for all diagnoses compared to the modular bearings at all time points, had a significantly lower revision rate for prosthesis dislocation and no revisions for squeaking compared to other modular bearings. There were 175 ceramic breakages recorded in the modular bearing group and 1 ceramic breakage in the DeltaMotion group. CONCLUSIONS The DeltaMotion cup had a low rate of all-cause revision, and for dislocation, ceramic breakage, and noise. Although this cup is no longer manufactured, ongoing follow-up of newer monoblock ceramic cups will determine their suitability for younger and more active patients.
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Affiliation(s)
- Loïc Y G Vercruysse
- Department of Orthopaedic Surgery, Sir Charles Gairdner Hospital, Nedlands, Western Australia, Australia; Department of Development and Regeneration KU Leuven, Institute for Orthopaedic Research and Training KU Leuven, Leuven, Belgium
| | - Lachlan P Milne
- Department of Orthopaedic Surgery, Sir Charles Gairdner Hospital, Nedlands, Western Australia, Australia
| | - Dylan T C Harries
- Registry Science, South Australian Health and Medical Research Institute (SAHMRI), Adelaide, South Australia, Australia
| | - Richard N de Steiger
- Australian Orthopaedic Association National Joint Replacement Registry (AOANJRR), Adelaide, South Australia, Australia; Department of Surgery, Epworth Healthcare, University of Melbourne, Richmond, Victoria, Australia
| | - Christopher J Wall
- Australian Orthopaedic Association National Joint Replacement Registry (AOANJRR), Adelaide, South Australia, Australia; Department of Orthopaedics, Toowoomba Hospital, Toowoomba, Queensland, Australia; University of Queensland Rural Clinical School, Toowoomba, Queensland, Australia
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Dai H, Deng Z, Yang L, Song C, Yu G, Luo J, Xu J. Endoscopic Arthroplasty via Mini-open Direct Anterior Approach Improves Postoperative Complications and Acetabular Components of Total Hip Arthroplasty in Obese Patients. Orthop Surg 2024; 16:998-1009. [PMID: 38384138 PMCID: PMC10984812 DOI: 10.1111/os.14015] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/26/2023] [Revised: 01/20/2024] [Accepted: 01/22/2024] [Indexed: 02/23/2024] Open
Abstract
To overcome the high-risk complications and poor alignment of acetabular components in obese patients associated with direct anterior approach (DAA) for total hip arthroplasty (THA), we innovated an endoscopic arthroplasty via mini-open direct anterior approach technique (Endo-DAA). The purpose of this study was to compare the clinical and radiographic outcomes in obese patients subjected to THA between Endo-DAA, Bikini DAA, and conventional DAA. In this retrospective controlled study, a total of 360 consecutive primary THA on obese patients (body mass index greater than 28 kg/m2) via Endo-DAA, Bikini DAA, and conventional DAA performed from October 2017 to October 2022 by different surgeons and in a single center were included. Assessments including perioperative parameters, clinical outcomes, complications, and radiologic measurements were retrieved from patients before the surgery, perioperative period and the latest follow-up. A total of 360 consecutive THA (Endo-DAA = 108, Bikini DAA = 116, Conventional DAA = 136) with complete follow-up data were analyzed. Compared to Bikini DAA or conventional DAA, Endo-DAA significantly shortened the length of incision (5.46 ± 0.53), the duration of operation (64.47 ± 12.38), and postoperative hospital stay (2.15 ± 0.89). Endo-DAA significantly reduces wound related complications compared with conventional DAA. Besides, Endo-DAA achieved a significantly better alignment of acetabular components compared to Bikini DAA or conventional DAA. Furthermore, Endo-DAA improved postoperative pain at the activity at 24 h postoperatively and early functional scores. The Endo-DAA THA technique provides better short-term clinical and radiographic results in obese patients with a low rate of postoperative complications compared to Bikini DAA or conventional DAA.
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Affiliation(s)
- Hanhao Dai
- Department of OrthopedicsShengli Clinical Medical College of Fujian Medical UniversityFuzhouChina
- Department of OrthopedicsFujian Provincial HospitalFuzhouChina
| | - Zhibo Deng
- Department of OrthopedicsShengli Clinical Medical College of Fujian Medical UniversityFuzhouChina
- Department of OrthopedicsFujian Provincial HospitalFuzhouChina
| | - Linhai Yang
- Department of OrthopedicsShengli Clinical Medical College of Fujian Medical UniversityFuzhouChina
- Department of OrthopedicsFujian Provincial HospitalFuzhouChina
| | - Chao Song
- Department of OrthopedicsShengli Clinical Medical College of Fujian Medical UniversityFuzhouChina
- Department of OrthopedicsFujian Provincial HospitalFuzhouChina
| | - Guoyu Yu
- Department of OrthopedicsShengli Clinical Medical College of Fujian Medical UniversityFuzhouChina
- Department of OrthopedicsFujian Provincial HospitalFuzhouChina
| | - Jun Luo
- Department of OrthopedicsShengli Clinical Medical College of Fujian Medical UniversityFuzhouChina
- Department of OrthopedicsFujian Provincial HospitalFuzhouChina
| | - Jie Xu
- Department of OrthopedicsShengli Clinical Medical College of Fujian Medical UniversityFuzhouChina
- Department of OrthopedicsFujian Provincial HospitalFuzhouChina
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Dean MC, Cherian NJ, LaPorte ZL, Eberlin CT, Wang C, Torabian KA, Dowley KS, Kucharik MP, Abraham PF, Nazal MR, Martin SD. Association Between Chondrolabral Junction Breakdown and Conversion to Total Hip Arthroplasty After Hip Arthroscopy for Symptomatic Labral Tears: Minimum 8-Year Follow-up. Am J Sports Med 2024; 52:1153-1164. [PMID: 38476016 PMCID: PMC10986152 DOI: 10.1177/03635465241234258] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/30/2023] [Accepted: 12/20/2023] [Indexed: 03/14/2024]
Abstract
BACKGROUND Arthroscopic treatment of femoroacetabular impingement (FAI) and symptomatic labral tears confers short- to midterm benefits, yet further long-term evidence is needed. Moreover, despite the physiological and biomechanical significance of the chondrolabral junction (CLJ), the clinical implications of damage to this transition zone remain understudied. PURPOSE To (1) report minimum 8-year survivorship and patient-reported outcome measures after hip arthroscopy for FAI and (2) characterize associations between outcomes and patient characteristics (age, body mass index, sex), pathological parameters (Tönnis angle, alpha angle, type of FAI, CLJ breakdown), and procedures performed (labral management, FAI treatment, microfracture). STUDY DESIGN Cohort study; Level of evidence, 3. METHODS This retrospective cohort study included patients who underwent primary hip arthroscopy for symptomatic labral tears secondary to FAI by a single surgeon between 2002 and 2013. All patients were ≥18 years of age with minimum 8-year follow-up and available preoperative radiographs. The primary outcome was conversion to total hip arthroplasty (THA), and secondary outcomes included revision arthroscopy, patient-reported outcome measures, and patient satisfaction. CLJ breakdown was assessed using the Beck classification. Kaplan-Meier estimates and weighted Cox regression were used to estimate 10-year survivorship (no conversion to THA) and identify risk factors associated with THA conversion. RESULTS In this study of 174 hips (50.6% female; mean age, 37.8 ± 11.2 years) with mean follow-up of 11.1 ± 2.5 years, the 10-year survivorship rate was 81.6% (95% CI, 75.9%-87.7%). Conversion to THA occurred at a mean 4.7 ± 3.8 years postoperatively. Unadjusted analyses revealed several variables significantly associated with THA conversion, including older age; higher body mass index; higher Tönnis grade; labral debridement; and advanced breakdown of the CLJ, labrum, or articular cartilage. Survivorship at 10 years was inferior in patients exhibiting severe (43.6%; 95% CI, 31.9%-59.7%) versus mild (97.9%; 95% CI, 95.1%-100%) breakdown of the CLJ (P < .001). Multivariable analysis identified worsening CLJ breakdown (weighted hazard ratio per 1-unit increase, 6.41; 95% CI, 3.11-13.24), older age (1.09; 95% CI, 1.04-1.14), and higher Tönnis grade (4.59; 95% CI, 2.13-9.90) as independent negative prognosticators (P < .001 for all). CONCLUSION Although most patients achieved favorable minimum 8-year outcomes, several pre- and intraoperative factors were associated with THA conversion; of these, worse CLJ breakdown, higher Tönnis grade, and older age were the strongest predictors.
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Affiliation(s)
- Michael C. Dean
- Department of Orthopaedic Surgery, Massachusetts General Hospital, Boston, Massachusetts, USA
| | - Nathan J. Cherian
- Department of Orthopaedic Surgery, Massachusetts General Hospital, Boston, Massachusetts, USA
- Department of Orthopaedic Surgery, University of Nebraska, Omaha, Nebraska, USA
| | - Zachary L. LaPorte
- Department of Orthopaedic Surgery, Massachusetts General Hospital, Boston, Massachusetts, USA
| | - Christopher T. Eberlin
- Department of Orthopaedic Surgery, Massachusetts General Hospital, Boston, Massachusetts, USA
- Department of Orthopaedic Surgery, University of Iowa, Iowa City, Iowa, USA
| | - Charles Wang
- Department of Orthopaedic Surgery, Massachusetts General Hospital, Boston, Massachusetts, USA
| | - Kaveh A. Torabian
- Department of Orthopaedic Surgery, Massachusetts General Hospital, Boston, Massachusetts, USA
| | - Kieran S. Dowley
- Department of Orthopaedic Surgery, Massachusetts General Hospital, Boston, Massachusetts, USA
| | - Michael P. Kucharik
- Department of Orthopaedic Surgery, Massachusetts General Hospital, Boston, Massachusetts, USA
- Department of Orthopaedic Surgery, University of South Florida, Tampa, Florida, USA
| | - Paul F. Abraham
- Department of Orthopaedic Surgery, Massachusetts General Hospital, Boston, Massachusetts, USA
- Department of Orthopaedic Surgery, University of Southern California, Los Angeles, California, USA
| | - Mark R. Nazal
- Department of Orthopaedic Surgery, Massachusetts General Hospital, Boston, Massachusetts, USA
- Department of Orthopaedic Surgery, University of Kentucky, Lexington, Kentucky, USA
| | - Scott D. Martin
- Department of Orthopaedic Surgery, Massachusetts General Hospital, Boston, Massachusetts, USA
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Melman WPR, Ettema HB, Edens MA, Verheyen CCPM. Mid-term results of cemented hip arthroplasties through the direct anterior approach in the lateral decubitus position: a retrospective cohort study. J Orthop Surg Res 2024; 19:206. [PMID: 38561763 PMCID: PMC10983692 DOI: 10.1186/s13018-024-04696-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/12/2023] [Accepted: 03/22/2024] [Indexed: 04/04/2024] Open
Abstract
BACKGROUND Reports show a high complication rate when starting with the Direct Anterior Approach (DAA) in a supine position for hip arthroplasty. The DAA with the patient in lateral decubitus position may avoid this problem because it supposedly provides better visibility, especially on the femoral side. However, this approach did show a rather high complication rate during the adoption of the approach at 1 year follow up in our previous report. We were interested what the overall 7 year survival estimate would be and whether improvement could be seen with growing experience. METHODS A cohort of patients undergoing total hip arthroplasty right from the start of applying the DAA in lateral decubitus position was analysed. RESULTS In total 175 hip prostheses (162 patients) were evaluated. The 7-year survival estimate was 95.1%, 95 CI: 91.8-98.4%. In 6 of 8 revisions there was aseptic loosening of the stem. By dividing the cohort into 3 consecutive groups in time we did not see a significantly improving revision rate. CONCLUSIONS In our experience, the adoption of the direct anterior approach in lateral decubitus position caused a relatively low 7-year survival estimate without an apparent decrease with growing experience, however given the low number of cases further research is needed to investigate the long-term risk of adopting a new approach.
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Affiliation(s)
- Wietse P R Melman
- Department of Orthopedic Surgery and Traumatology, Isala Hospital, Zwolle, The Netherlands.
- Department of Orthopedic Surgery and Traumatology, Saxenburgh Medisch Centrum, Jan Weitkamplaan 4a, Hardenberg, 7772 SE, The Netherlands.
| | - Harmen B Ettema
- Department of Orthopedic Surgery and Traumatology, Isala Hospital, Zwolle, The Netherlands
| | - Mireille A Edens
- Epidemiology Unit, Department Innovation and Science, Isala Hospital, Zwolle, The Netherlands
| | - Cees C P M Verheyen
- Department of Orthopedic Surgery and Traumatology, Isala Hospital, Zwolle, The Netherlands
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Tamate T, Nishioka S, Ry LD, Weldon RH, N AS, Nakasone CK. The influence of mental health on early outcomes following total hip arthroplasty. Arch Orthop Trauma Surg 2024; 144:1773-1779. [PMID: 38135788 DOI: 10.1007/s00402-023-05159-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/15/2023] [Accepted: 11/26/2023] [Indexed: 12/24/2023]
Abstract
BACKGROUND Poor mental health is difficult to recognize and as a result, its association with recovery from total joint arthroplasty is difficult to assess. The purpose of this study was to investigate the relationship between overall mental health scores and outcomes in the early postoperative period following unilateral total hip arthroplasty (THA). METHODS This is a retrospective review of prospectively collected data involving 142 patients who underwent primary unilateral THA. Independent variables included patient demographics and preoperative Patient-Reported Outcomes Measurement Information System (PROMIS), Global Physical Health (GPH) and Global Mental Health (GMH) and Hip Disability and Osteoarthritis Outcome Score, Joint Replacement (HOOS JR) scores as well as diagnoses of depression or anxiety. Dependent variables included length of stay (LOS), disposition at discharge, narcotic consumption until discharge, 6-week postoperative GPH, GMH and HOOS JR scores and magnitude of change compared to preoperative scores. Preoperative GMH and postoperative outcomes were compared using Pearson correlation coefficient, independent t-tests, Pearson's Chi-Square test, and univariate logistic regression. RESULTS Patients with preoperative GMH scores below the 25% quartile were less likely to be discharged home and resulted in lower GPH, GMH and HOOS JR scores at 6-week follow-up compared to patients with preoperative GMH scores in the top 25% quartile. However, patients with low preoperative GMH scores demonstrated a greater magnitude of improvement in both the GPH and GMH scores compared to patients in the top 25% quartile. There was no difference in opioid consumption or LOS between either groups. When comparing patients with and without depression/anxiety, no difference was seen in any of the outcomes measured. CONCLUSION Unilateral THA offers significant improvements in both physical and mental function to patients with hip osteoarthritis and poor mental health, though overall scores remain lower than in those with better mental health.
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Affiliation(s)
- Trent Tamate
- John A Burns School of Medicine, 651 Ilalo Street, Honolulu, HI, 96813, USA
- Department of Surgery, University of Hawai'I, 1356 Lusitana Street, Honolulu, HI, 96813, USA
| | - Scott Nishioka
- John A Burns School of Medicine, 651 Ilalo Street, Honolulu, HI, 96813, USA
| | - Lawton Dylan Ry
- John A Burns School of Medicine, 651 Ilalo Street, Honolulu, HI, 96813, USA
| | - Rosana Hernandez Weldon
- Office of Public Health Studies, University of Hawaii at Manoa, 1960 East-West Road, Honolulu, HI, 96822, USA
| | - Andrews Samantha N
- Straub Medical Center, Bone and Joint Center, 888 South King Street, Honolulu, HI, 96813, USA
- Department of Surgery, University of Hawai'I, 1356 Lusitana Street, Honolulu, HI, 96813, USA
| | - Cass K Nakasone
- John A Burns School of Medicine, 651 Ilalo Street, Honolulu, HI, 96813, USA.
- Straub Medical Center, Bone and Joint Center, 888 South King Street, Honolulu, HI, 96813, USA.
- Department of Surgery, University of Hawai'I, 1356 Lusitana Street, Honolulu, HI, 96813, USA.
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Hitz O, Le Baron M, Jacquet C, Argenson JN, Parratte S, Ollivier M, Flecher X. Use of dual mobility cup cemented into a tantalum acetabular shell for hip revision with large bone loss can decrease dislocation risk without increasing the risk of mechanical failure. Orthop Traumatol Surg Res 2024; 110:103739. [PMID: 37918693 DOI: 10.1016/j.otsr.2023.103739] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/16/2022] [Revised: 08/17/2023] [Accepted: 08/28/2023] [Indexed: 11/04/2023]
Abstract
BACKGROUND Porous tantalum components and augments have demonstrated short to midterm fixation stability in acetabular total hip arthroplasty (THA) revision but do not offer a novel option to decrease the postoperative dislocation rate. Recently, dual mobility (DM) cups have gained interest to decrease the prevalence of recurrent hip instability after revision hip arthroplasty, but this issue was not confirmed combined with use of tantalum reconstruction devices. Therefore, we did a retrospective study aiming to: (1) evaluate at a 5-year minimum follow-up period the dislocation rate (and other intra- and postoperative complications), (2) assess radiographic results specifically looking at osseointegration and restoration of the hip center, (3) and also clinical results in a cohort of patients who underwent complex acetabular reconstruction with trabecular metal revision components associated with a cemented DM socket. HYPOTHESIS Using a DM socket cemented in porous tantalum components can reach the low risk of hip dislocation reported with DM components in revision setting without increasing the risk of a mechanical failure. METHODS A cross-sectional study identified 174 THA revision including an acetabular revision. Were excluded 118 revisions with acetabular defects Type 1, 2a or 2B according to Paprosky's classification, as well as 18 hips revised without a dual mobility and 3 patients (3 hips) lost to follow-up. Were thus included in this study 35 hips (35 patients) implanted with uncemented total hip arthroplasty revision using both trabecular metal acetabular cup-cage reconstruction and a cemented DM cup. Seven hips were classified Paprosky types 2C, 15 type 3A and 13 types 3B. Patients were followed with clinical and radiological evaluation regarding dislocation rate, infection, reoperation or re-revision, osseointegration and restoration of the hip center, and functional results according to the Harris hip score and psoas impingement presence. RESULTS At a mean follow-up of 8.1±1.8 years (5.1-12.6), one dislocation was recorded, and one acute deep infection. No patient required a cup re-revision for septic or aseptic loosening. The survivorship at 8years regarding revision for any cause as an endpoint was 96.5% (CI95%: 92-99). Osseointegration of TM implants was analyzed and found no acetabular migration at the last follow-up in the cohort. The mean hip center position was optimized from 48±7mm (37-58) to 34±5mm (29-39) vertically and from 26±5mm (-18-36) to 24±8mm (7-31) horizontally without reaching significance (p=0.1). On the last follow-up X-rays, the mean acetabular inclination was 47̊±9̊ (32̊-61̊). According to the criteria of Hirakawa, 97.1% (34/35) of the hip centers were restored. One cup (2.9%) was more than 5mm proximally from the hip center, and none more than 10mm. Clinical results assessed a Harris Hip Score improved from 36±17 (23-62) preoperatively to 82±15 (69-93) at last follow-up (p<0.0001). Two patients (2/35, 5.7%) complained of psoas impingement. CONCLUSION This study suggests effectiveness of DM cups in association with a tantalum-made acetabular shell for reconstruction of large bone defect in THRs for both solving postoperative instability and aseptic loosening without increasing the re-revision rate for any reason in a midterm follow-up. LEVEL OF EVIDENCE IV; observational study.
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Affiliation(s)
- Olivier Hitz
- Clinique des Vergers, chemin de la Planche 1, 1217 Meyrin, Switzerland
| | - Marie Le Baron
- Institut du Mouvement et de l'appareil locomoteur, Aix Marseille Université - Assistance publique des Hôpitaux de Marseille, 270, boulevard Sainte-Marguerite, 13009 Marseille, France
| | - Christophe Jacquet
- Institut du Mouvement et de l'appareil locomoteur, Aix Marseille Université - Assistance publique des Hôpitaux de Marseille, 270, boulevard Sainte-Marguerite, 13009 Marseille, France
| | - Jean-Nöel Argenson
- Institut du Mouvement et de l'appareil locomoteur, Aix Marseille Université - Assistance publique des Hôpitaux de Marseille, 270, boulevard Sainte-Marguerite, 13009 Marseille, France
| | - Sebastien Parratte
- Institut du Mouvement et de l'appareil locomoteur, Aix Marseille Université - Assistance publique des Hôpitaux de Marseille, 270, boulevard Sainte-Marguerite, 13009 Marseille, France; International Knee & Joint Centre, Hazza Bin Zayed Street, Intersection with Fatima Bint Mubarak Street Opposite Burjeel Hospital, 46705 Abu Dhabi, United Arab Emirates
| | - Matthieu Ollivier
- Institut du Mouvement et de l'appareil locomoteur, Aix Marseille Université - Assistance publique des Hôpitaux de Marseille, 270, boulevard Sainte-Marguerite, 13009 Marseille, France
| | - Xavier Flecher
- Institut du Mouvement et de l'appareil locomoteur, Aix Marseille Université - Assistance publique des Hôpitaux de Marseille, 270, boulevard Sainte-Marguerite, 13009 Marseille, France.
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Baxter SN, Johnson AH, Brennan JC, MacDonald JH, Turcotte JJ, King PJ. Social vulnerability adversely affects emergency-department utilization but not patient-reported outcomes after total joint arthroplasty. Arch Orthop Trauma Surg 2024; 144:1803-1811. [PMID: 38206446 DOI: 10.1007/s00402-023-05186-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/29/2023] [Accepted: 12/18/2023] [Indexed: 01/12/2024]
Abstract
INTRODUCTION Multiple studies demonstrate social deprivation is associated with inferior outcomes after total hip (THA) and total knee (TKA) arthroplasty; its effect on patient-reported outcomes is debated. The primary objective of this study evaluated the relationship between social vulnerability and the PROMIS-PF measure in patients undergoing THA and TKA. A secondary aim compared social vulnerability between patients who required increased resource utilization or experienced complications and those who didn't. MATERIALS AND METHODS A retrospective review of 537 patients from March 2020 to February 2022 was performed. The Centers for Disease Control Social Vulnerability Index (SVI) were used to quantify socioeconomic disadvantage. The cohort was split into THA and TKA populations; univariate and multivariate analyses were performed to evaluate primary and secondary outcomes. Statistical significance was assessed at p < 0.05. RESULTS 48.6% of patients achieved PROMIS-PF MCID at 1-year postoperatively. Higher levels of overall social vulnerability (0.40 vs. 0.28, p = 0.03) were observed in TKA patients returning to the ED within 90-days of discharge. Increased overall SVI (OR = 9.18, p = 0.027) and household characteristics SVI (OR = 9.57, p = 0.015) were independent risk factors for 90-day ED returns after TKA. In THA patients, increased vulnerability in the household type and transportation dimension was observed in patients requiring 90-day ED returns (0.51 vs. 0.37, p = 0.04). CONCLUSION Despite an increased risk for 90-day ED returns, patients with increased social vulnerability still obtain good 1-year functional outcomes. Initiatives seeking to mitigate the effect of social deprivation on TJA outcomes should aim to provide safe alternatives to ED care during early recovery.
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Affiliation(s)
- Samantha N Baxter
- Anne Arundel Medical Center Inc, 2000 Medical Parkway, Annapolis, MD, 21401, USA
| | - Andrea H Johnson
- Anne Arundel Medical Center Inc, 2000 Medical Parkway, Annapolis, MD, 21401, USA
| | - Jane C Brennan
- Anne Arundel Medical Center Inc, 2000 Medical Parkway, Annapolis, MD, 21401, USA
| | - James H MacDonald
- Anne Arundel Medical Center Inc, 2000 Medical Parkway, Annapolis, MD, 21401, USA
| | - Justin J Turcotte
- Anne Arundel Medical Center Inc, 2000 Medical Parkway, Annapolis, MD, 21401, USA.
| | - Paul J King
- Anne Arundel Medical Center Inc, 2000 Medical Parkway, Annapolis, MD, 21401, USA
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Straub J, Staats K, Vertesich K, Kowalscheck L, Windhager R, Böhler C. Two-stage revision for periprosthetic joint infection after hip and knee arthroplasty. Bone Joint J 2024; 106-B:372-379. [PMID: 38555938 DOI: 10.1302/0301-620x.1064.bjj-2023-0638.r2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 04/02/2024]
Abstract
Aims Histology is widely used for diagnosis of persistent infection during reimplantation in two-stage revision hip and knee arthroplasty, although data on its utility remain scarce. Therefore, this study aims to assess the predictive value of permanent sections at reimplantation in relation to reinfection risk, and to compare results of permanent and frozen sections. Methods We retrospectively collected data from 226 patients (90 hips, 136 knees) with periprosthetic joint infection who underwent two-stage revision between August 2011 and September 2021, with a minimum follow-up of one year. Histology was assessed via the SLIM classification. First, we analyzed whether patients with positive permanent sections at reimplantation had higher reinfection rates than patients with negative histology. Further, we compared permanent and frozen section results, and assessed the influence of anatomical regions (knee versus hip), low- versus high-grade infections, as well as first revision versus multiple prior revisions on the histological result at reimplantation. Sensitivity, specificity, positive predictive value (PPV), negative predictive value (NPV), chi-squared tests, and Kaplan-Meier estimates were calculated. Results Overall, the reinfection rate was 18%. A total of 14 out of 82 patients (17%) with positive permanent sections at reimplantation experienced reinfection, compared to 26 of 144 patients (18%) with negative results (p = 0.996). Neither permanent sections nor fresh frozen sections were significantly associated with reinfection, with a sensitivity of 0.35, specificity of 0.63, PPV of 0.17, NPV of 0.81, and accuracy of 58%. Histology was not significantly associated with reinfection or survival time for any of the analyzed sub-groups. Permanent and frozen section results were in agreement for 91% of cases. Conclusion Permanent and fresh frozen sections at reimplantation in two-stage revision do not serve as a reliable predictor for reinfection.
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Affiliation(s)
- Jennifer Straub
- Department of Orthopaedics and Trauma Surgery, Medical University of Vienna, Vienna, Austria
| | - Kevin Staats
- Department of Orthopaedics and Trauma Surgery, Medical University of Vienna, Vienna, Austria
| | - Klemens Vertesich
- Department of Orthopaedics and Trauma Surgery, Medical University of Vienna, Vienna, Austria
| | - Lars Kowalscheck
- Department of Pathology, Medical University of Vienna, Vienna, Austria
| | - Reinhard Windhager
- Department of Orthopaedics and Trauma Surgery, Medical University of Vienna, Vienna, Austria
| | - Christoph Böhler
- Department of Orthopaedics and Trauma Surgery, Medical University of Vienna, Vienna, Austria
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Kutzner KP, Walz A, Afghanyar Y, Drees P, Schneider M. Calcar-guided short-stem total hip arthroplasty in fractures of the femoral neck: a prospective observational study of 68 hips. Arch Orthop Trauma Surg 2024; 144:1793-1802. [PMID: 38172436 DOI: 10.1007/s00402-023-05170-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/13/2023] [Accepted: 11/27/2023] [Indexed: 01/05/2024]
Abstract
INTRODUCTION The indications for cementless short-stem total hip arthroplasty (THA) have been expanded due to encouraging results. However, no evidence in cases of femoral neck fractures (FNFs) is available. We aimed to prospectively obtain data on the safety and the clinical outcomes of a cementless calcar-guided short stem in patients with FNFs. MATERIALS AND METHODS We conducted a prospective observational study of 68 patients diagnosed with FNFs who underwent short-stem THA between 2016 and 2019 with a calcar-guided stem. Complications during follow-up leading to revision were documented, and patient reported outcome measurements recorded. Stem migration was analyzed using the Einzel-Bild-Röntgen-Analysis Femoral Component Analysis software. RESULTS The mean follow-up was 33.8 ± 14.8 months. The patient mortality at last follow-up was 10.6%. Two patients required stem revision, due to periprosthetic fracture and late aseptic loosening, respectively, corresponding to 96.2% stem survival. Survivorship for the endpoint of revision for any reason was 91.1% at 6 years. All revisions occurred in females. The mean Harris Hip Score at the last follow-up was 93.0 ± 8.9. The mean axial migration at last follow-up was 1.90 ± 1.81 mm. No significant influence on migration was found regarding gender, age, weight, and body mass index. CONCLUSIONS The clinical and radiological findings were satisfying and most patients benefited from the minimally invasive procedure. However, as for conventional THA as well, implant survivorship and mortality were markedly worse compared to results regarding osteoarthritis. Especially in elderly female patients with FNF, cementless short-stem THA is a concern and a cemented THA should be the first choice.
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Affiliation(s)
- Karl Philipp Kutzner
- Department of Orthopaedics and Traumatology, St. Josefs Hospital Wiesbaden, Beethovenstr. 20, 65189, Wiesbaden, Germany.
- Department of Orthopaedics and Traumatology, University Medical Center, Johannes Gutenberg-University of Mainz, Langenbeckstraße 1, 55131, Mainz, Germany.
| | - Alexander Walz
- Department of Orthopaedics and Traumatology, St. Josefs Hospital Wiesbaden, Beethovenstr. 20, 65189, Wiesbaden, Germany
| | - Yama Afghanyar
- Department of Orthopaedics and Traumatology, St. Josefs Hospital Wiesbaden, Beethovenstr. 20, 65189, Wiesbaden, Germany
| | - Philipp Drees
- Department of Orthopaedics and Traumatology, University Medical Center, Johannes Gutenberg-University of Mainz, Langenbeckstraße 1, 55131, Mainz, Germany
| | - Michael Schneider
- Department of Orthopaedics and Traumatology, St. Josefs Hospital Wiesbaden, Beethovenstr. 20, 65189, Wiesbaden, Germany
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Kang YJ, Kim SJ, Seo SH, Lee S, Kim HS, Yoo JI. Assessment of Automated Identification of Phases in Videos of Total Hip Arthroplasty Using Deep Learning Techniques. Clin Orthop Surg 2024; 16:210-216. [PMID: 38562629 PMCID: PMC10973629 DOI: 10.4055/cios23280] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/12/2023] [Revised: 10/23/2023] [Accepted: 11/06/2023] [Indexed: 04/04/2024] Open
Abstract
Background As the population ages, the rates of hip diseases and fragility fractures are increasing, making total hip arthroplasty (THA) one of the best methods for treating elderly patients. With the increasing number of THA surgeries and diverse surgical methods, there is a need for standard evaluation protocols. This study aimed to use deep learning algorithms to classify THA videos and evaluate the accuracy of the labelling of these videos. Methods In our study, we manually annotated 7 phases in THA, including skin incision, broaching, exposure of acetabulum, acetabular reaming, acetabular cup positioning, femoral stem insertion, and skin closure. Within each phase, a second trained annotator marked the beginning and end of instrument usages, such as the skin blade, forceps, Bovie, suction device, suture material, retractor, rasp, femoral stem, acetabular reamer, head trial, and real head. Results In our study, we utilized YOLOv3 to collect 540 operating images of THA procedures and create a scene annotation model. The results of our study showed relatively high accuracy in the clear classification of surgical techniques such as skin incision and closure, broaching, acetabular reaming, and femoral stem insertion, with a mean average precision (mAP) of 0.75 or higher. Most of the equipment showed good accuracy of mAP 0.7 or higher, except for the suction device, suture material, and retractor. Conclusions Scene annotation for the instrument and phases in THA using deep learning techniques may provide potentially useful tools for subsequent documentation, assessment of skills, and feedback.
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Affiliation(s)
- Yang Jae Kang
- Division of Bio and Medical Big Data Department (BK4 Program) and Life Science Department, Gyeongsang National University, Jinju, Korea
| | - Shin June Kim
- Biomedical Research Institute, Inha University Hospital, Incheon, Korea
| | - Sung Hyo Seo
- Biomedical Research Institute, Gyeongsang National University Hospital, Jinju, Korea
| | - Sangyeob Lee
- Biomedical Research Institute, Gyeongsang National University Hospital, Jinju, Korea
| | - Hyeon Su Kim
- Biomedical Research Institute, Inha University Hospital, Incheon, Korea
| | - Jun-Il Yoo
- Department of Orthopedic Surgery, Inha University Hospital, Inha University College of Medicine, Incheon, Korea
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de Leissegues T, Viste A, Fessy MH. Revision of total hip arthroplasty by long locking stem with fully hydroxyapatite-coated modular metaphysis (Reef™): A continuous series of 78 cases at a minimum 2-year follow-up. Orthop Traumatol Surg Res 2024; 110:103786. [PMID: 38070731 DOI: 10.1016/j.otsr.2023.103786] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/26/2022] [Revised: 07/15/2023] [Accepted: 07/24/2023] [Indexed: 12/17/2023]
Abstract
INTRODUCTION Since the Wagner and Vives stems were introduced in the 1980s, the range of uncemented implants for femoral revision has grown with increasing demand. Cementless modular implants with a wide range of lengths and diameters improved adaptation to the bone and secondary metaphyseal integration. Data are sparse for the Reef™ locking stem (Depuy-Synthes, Saint-Priest, France) and we therefore conducted a retrospective study at more than 2 years' follow-up, in a continuous series of total hip arthroplasty (THR) revision procedures using this long fully-hydroxyapatite-coated modular locking stem, assessing (1) implant survival, (2) clinical and functional results, and (3) radiographic results. HYPOTHESIS The study hypothesis was that all-cause≥2-year survival is>90%. PATIENTS AND METHODS Between 2007 and 2018, 413 femoral stem exchanges were performed in our center, a Reef™ model being needed in 93 cases. Etiologies comprised: Vancouver B2 or B3 periprosthetic fracture (57%, n=53), aseptic loosening (33%, n=30), septic loosening (10%, n=9) and 1 case of aseptic non-union under the stem (1%, n=1). Clinical and functional assessment used Harris Hip Score (HHS), Postel Merle d'Aubigné score (PMA) and Oxford-12 Hip Score (OHS). Radiographic assessment used immediate postoperative views and last follow-up radiographs, assessing osseointegration, filling index and stress shielding. Implant survival was estimated following Kaplan-Meier with 95% confidence intervals. RESULTS Mean follow-up was 6±3 years (range, 2-12). Last follow-up included 78 cases for analysis (12 deaths [13%] and 3 patients lost to follow-up before 2 years [3%]). Ten-year Reef™ implant survival was 98.7% (95% CI: 96.3-100) free of aseptic loosening (n=1) and 94% (95% CI: 87-100) for all causes (n=3). The failures related to aseptic loosening involved femoral stem fracture away from the modular part; the 2 cases of septic loosening did not undergo reimplantation for medical reasons. Preoperatively (scheduled surgeries, excluding periprosthetic fractures: n=40), mean HHS was 43±12 and 77±12 at last follow-up (81±13 in scheduled surgery [n=40] and 73±11 in emergency surgery for periprosthetic fracture [n=53]), mean PMA score was 13±2 and mean OHS was 26±9. The infection rate was 11% (n=9) including 7.6% new infection (n=6). The dislocation rate was 6% (n=5). The radiographic stress shielding rate was 11% (n=9) and significantly associated with low metaphyseal filling index (76±7% vs. 83±8% [p=0.009]). DISCUSSION Like other recent data, the present good survival results support the trend for uncemented stems in femoral revision, as encouraged by the 1999 symposium of the French Society of Orthopedic Surgery and Traumatology (SoFCOT). Primary diaphyseal fixation enables secondary metaphyseal integration on an implant with modularity ensuring good bone adaptation. Close contact between the bone and hydroxyapatite surfaces is a key-point in the surgical strategy. LEVEL OF EVIDENCE IV, retrospective study.
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Affiliation(s)
- Tristan de Leissegues
- Service de chirurgie orthopédique, hôpital Lyon Sud, hospices civils de Lyon, 165, chemin du Grand-Revoyet, 69495 Pierre-Bénite cedex, France
| | - Anthony Viste
- Service de chirurgie orthopédique, hôpital Lyon Sud, hospices civils de Lyon, 165, chemin du Grand-Revoyet, 69495 Pierre-Bénite cedex, France; LBMC UMR_T9406, université de Lyon, université Gustave-Eiffel, université Claude-Bernard Lyon 1, 69622 Lyon, France.
| | - Michel-Henri Fessy
- Service de chirurgie orthopédique, hôpital Lyon Sud, hospices civils de Lyon, 165, chemin du Grand-Revoyet, 69495 Pierre-Bénite cedex, France; LBMC UMR_T9406, université de Lyon, université Gustave-Eiffel, université Claude-Bernard Lyon 1, 69622 Lyon, France
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Pansard E, Vigan M, Bauer T. Do the sizes of total hip arthroplasty implants match between 3D planning software and 2D templating? Orthop Traumatol Surg Res 2024; 110:103744. [PMID: 37923177 DOI: 10.1016/j.otsr.2023.103744] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/26/2022] [Revised: 07/18/2023] [Accepted: 07/24/2023] [Indexed: 11/07/2023]
Abstract
INTRODUCTION The use of three-dimensional (3D) planning before a total hip arthroplasty (THA) procedure is becoming increasingly popular as it offers several theoretical benefits: better restoration of a patient's anatomy, fewer intraoperative problems, and lower THA cost. It is said to be more accurate than two-dimensional (2D) planning, but as far as we know, no study has investigated how well the implant sizes match between 3D and 2D planning for a surgeon who is just starting to use 3D planning. Consistent implant sizes would make it easier for a surgeon to transition from one system to another. This led us to conduct a retrospective comparative study to: (1) compare how well the implant sizes match between a 3D planning system and a 2D planning method (conventional radiography using templates); (2) determine if the sizes planned on the 3D system match the implants that were used in the patient; (3) determine if the sizes planned with the 2D method match the implants that were used in the patient. HYPOTHESIS There is a good match in the implant sizes between the 3D and 2D planning. METHODS A retrospective observational, single-surgeon study was done with patients who underwent THA between January 2019 and September 2021 at a single teaching hospital. For each patient, the size of the THA implants was planned preoperatively in 3D using proprietary software (Optimized Positioning System™, Corin) and 2D templating. These patients were the first to be operated on by this surgeon based on 3D planning. RESULTS Forty-nine patients were included. The implant size matched exactly between the two planning methods for 20% (10/49) of cups [one size larger with 3D in 35% of hips (17/49) and two sizes larger in 20% of hips (10/49)], for 53% (26/49) of femoral stems [one size smaller with 3D in 53% of hips (26/49)] and for 14% (7/49) of complete THA implant systems (cup, femoral stem, femoral head). The size planned in 3D was the same as the cup size implanted in 51% (25/49) of hips, as the femoral stem size in 65% (32/49) and as the complete THA system in 22% (11/49). The cup was within one size in 88% (43/49) of hips and the femoral stem was within one size in 98% (48/49) of hips. The size planned in 2D was the same as the cup size implanted in 45% (22/49) of hips, as the femoral stem size in 63% (32/49) and as the complete THA system in 18% (9/49). The cup was within one size in 86% (42/49) of hips and the femoral stem was within one size in 96% (47/49) of hips with 2D templating. There was no statistically significant difference in the size matching between the 2D and 3D techniques for either the implanted cup (p=0.5) or the implanted femoral stem (p=0.8). CONCLUSION There is a poor match between the implant sizes determined by 3D and 2D planning. Based on our findings, the shift from 2D templating to 3D planning must be done gradually given the learning curve associated with 3D systems. LEVEL OF EVIDENCE III; comparative retrospective study.
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Affiliation(s)
- Erwan Pansard
- Hôpital Ambroise-Paré, Hôpitaux Universitaires Paris Île-de-France Ouest, AP-HP, 9, avenue Charles-de-Gaulle, 92100 Boulogne-Billancourt, France; Clinique de Domont, Groupe RAMSAY, 95460 Domont, France; Clinique Claude-Bernard, Groupe RAMSAY, 95120 Ermont, France.
| | - Marie Vigan
- Hôpital Ambroise-Paré, Hôpitaux Universitaires Paris Île-de-France Ouest, AP-HP, 9, avenue Charles-de-Gaulle, 92100 Boulogne-Billancourt, France
| | - Thomas Bauer
- Hôpital Ambroise-Paré, Hôpitaux Universitaires Paris Île-de-France Ouest, AP-HP, 9, avenue Charles-de-Gaulle, 92100 Boulogne-Billancourt, France
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Velasquez Garcia A, Bukowiec LG, Yang L, Nishikawa H, Fitzsimmons JS, Larson AN, Taunton MJ, Sanchez-Sotelo J, O'Driscoll SW, Wyles CC. Artificial intelligence-based three-dimensional templating for total joint arthroplasty planning: a scoping review. Int Orthop 2024; 48:997-1010. [PMID: 38224400 DOI: 10.1007/s00264-024-06088-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/13/2023] [Accepted: 01/03/2024] [Indexed: 01/16/2024]
Abstract
PURPOSE The purpose of this review is to evaluate the current status of research on the application of artificial intelligence (AI)-based three-dimensional (3D) templating in preoperative planning of total joint arthroplasty. METHODS This scoping review followed the PRISMA, PRISMA-ScR guidelines, and five stage methodological framework for scoping reviews. Studies of patients undergoing primary or revision joint arthroplasty surgery that utilised AI-based 3D templating for surgical planning were included. Outcome measures included dataset and model development characteristics, AI performance metrics, and time performance. After AI-based 3D planning, the accuracy of component size and placement estimation and postoperative outcome data were collected. RESULTS Nine studies satisfied inclusion criteria including a focus on computed tomography (CT) or magnetic resonance imaging (MRI)-based AI templating for use in hip or knee arthroplasty. AI-based 3D templating systems reduced surgical planning time and improved implant size/position and imaging feature estimation compared to conventional radiographic templating. Several components of data processing and model development and testing were insufficiently covered in the studies included in this scoping review. CONCLUSIONS AI-based 3D templating systems have the potential to improve preoperative planning for joint arthroplasty surgery. This technology offers more accurate and personalized preoperative planning, which has potential to improve functional outcomes for patients. However, deficiencies in several key areas, including data handling, model development, and testing, can potentially hinder the reproducibility and reliability of the methods proposed. As such, further research is needed to definitively evaluate the efficacy and feasibility of these systems.
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Affiliation(s)
- Ausberto Velasquez Garcia
- Mayo Clinic Department of Orthopedic Surgery, Rochester, MN, 55905, USA
- Department of Orthopedic Surgery, Clinica Universidad de Los Andes, Santiago, Chile
| | - Lainey G Bukowiec
- Mayo Clinic Department of Orthopedic Surgery, Rochester, MN, 55905, USA
| | - Linjun Yang
- Mayo Clinic Department of Orthopedic Surgery, Rochester, MN, 55905, USA
| | - Hiroki Nishikawa
- Mayo Clinic Department of Orthopedic Surgery, Rochester, MN, 55905, USA
- Department of Orthopaedic Surgery, Showa University School of Medicine, Tokyo, Japan
| | | | - A Noelle Larson
- Mayo Clinic Department of Orthopedic Surgery, Rochester, MN, 55905, USA
| | - Michael J Taunton
- Mayo Clinic Department of Orthopedic Surgery, Rochester, MN, 55905, USA
| | | | | | - Cody C Wyles
- Mayo Clinic Department of Orthopedic Surgery, Rochester, MN, 55905, USA.
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Pluchon JP, Gérard R, Stindel E, Lefèvre C, Letissier H, Dardenne G. Variations in pelvic tilt during day-to-day activities after total hip arthroplasty measured with an ultrasound system. Orthop Traumatol Surg Res 2024; 110:103792. [PMID: 38081356 DOI: 10.1016/j.otsr.2023.103792] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/02/2022] [Revised: 09/28/2023] [Accepted: 10/11/2023] [Indexed: 12/25/2023]
Abstract
INTRODUCTION The pelvis plays a major role in the orientation of total hip arthroplasty (THA) implants and consequently, on the postoperative stability of the new hip joint. The relationship between the spine and pelvis affects the functional orientation of the acetabular cup, although this relationship differs between individuals and the positions encountered in everyday life. We believe this should be factored in when planning the THA procedure. This led us to conduct an in vivo ultrasound study to document the values of pelvic tilt in standing, sitting and lying positions in patients who have advanced hip osteoarthritis, before and after they undergo THA. HYPOTHESIS The pelvic tilt when standing, sitting and lying supine does not change significantly after THA. MATERIALS AND METHODS The pelvic tilt, defined as the angle between the anterior pelvic plane and a vertical line was measured using an ultrasound device in 30 patients before the THA procedure and again 6 months later in standing, sitting and lying positions. The measurements were done during an office visit with the patient on an examination table for the lying position, on a chair for the sitting position and with the heels and occiput against the wall for the standing position. RESULTS The preoperative and 6-month postoperative pelvic tilt were -5.6̊±10.4̊ [-30.6̊; 11.7̊] and -5.8̊±7.9̊ [-20.6̊; 10.4̊] (p=0.4129) when standing, -44.5̊±6.10 [-53.8̊; -23.9̊] and -43.5̊±6.9̊ [-54.4̊; -17.3̊] (p=0.5760) when sitting, -88.3̊±5.1̊ [-99.3̊; -78.7̊] and -87.9̊±5.9̊ [-97.6̊; -72.4̊] (p=0.6106) when lying supine, respectively. There was no significant difference in the pelvic tilt before and 6 months after THA procedure. Variations of±5̊; ±5-10̊; ±10-15̊ and 15-20̊ were found in 72% (18); 20% (5); 4% (1) and 4% (1) of patients when lying supine, 56% (14); 36% (9); 8% (2); 0% (0) of patients when standing and 76% (19); 24% (6); 0% (0); 0% (0) when sitting. The mean variation for each patient between the preoperative and 6 months postoperative measurement was 4.8±3.4̊ [0.8̊; 10.4̊] (p=0.4129), 3.5±2.3̊ [0.2̊; 9.1̊] (p=0.5760), and 4.6̊±3.2̊ [1.2̊; 15.4̊] (p=0.6106) for the standing, sitting and lying positions respectively. CONCLUSION The pelvic tilt does not significantly change 6 months after THA. Taking into account the various positions used in everyday life may help to optimize the implant position. We have described the use of an affordable, accurate and non-irradiating device that provides fast and easy measurements of pelvic tilt in various positions. LEVEL OF EVIDENCE IV.
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Affiliation(s)
- Jean-Philippe Pluchon
- Service de chirurgie orthopédique et traumatologique, hôpital d'instruction des Armées Clermont-Tonnerre, 29200 Brest, France; Laboratoire de traitement de l'information médicale (LaTIM, UMR1101), bâtiment IBRBS, 22, avenue Camille-Desmoulins, 29200 Brest, France
| | - Romain Gérard
- Laboratoire de traitement de l'information médicale (LaTIM, UMR1101), bâtiment IBRBS, 22, avenue Camille-Desmoulins, 29200 Brest, France; Service de chirurgie orthopédique et traumatologique, centre hospitalier privé Brestois, clinique Pasteur-Lanroze, 29200 Brest, France
| | - Eric Stindel
- Laboratoire de traitement de l'information médicale (LaTIM, UMR1101), bâtiment IBRBS, 22, avenue Camille-Desmoulins, 29200 Brest, France; Service de chirurgie orthopédique et traumatologique, CHRU de la Cavale Blanche, 29200 Brest, France
| | - Christian Lefèvre
- Laboratoire de traitement de l'information médicale (LaTIM, UMR1101), bâtiment IBRBS, 22, avenue Camille-Desmoulins, 29200 Brest, France
| | - Hoel Letissier
- Laboratoire de traitement de l'information médicale (LaTIM, UMR1101), bâtiment IBRBS, 22, avenue Camille-Desmoulins, 29200 Brest, France; Service de chirurgie orthopédique et traumatologique, CHRU de la Cavale Blanche, 29200 Brest, France.
| | - Guillaume Dardenne
- Laboratoire de traitement de l'information médicale (LaTIM, UMR1101), bâtiment IBRBS, 22, avenue Camille-Desmoulins, 29200 Brest, France
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de Sandes Kimura O, Mozella A, Cobra H, Maciel Saraiva AC, Carvalho de Almendra Freitas EH, Cury Fernandes MB, Matheus Guimarães JA, Defino H, Leal AC. Neutrophil Extracellular Trap-related Biomarkers Are Increased in the Synovial Fluid of Patients With Periprosthetic Joint Infections. Clin Orthop Relat Res 2024; 482:727-733. [PMID: 37882792 PMCID: PMC10937003 DOI: 10.1097/corr.0000000000002891] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/24/2023] [Accepted: 09/15/2023] [Indexed: 10/27/2023]
Abstract
BACKGROUND The diagnosis of periprosthetic joint infection (PJI) is a major challenge in clinical practice. The role of neutrophils in fighting infection has been increasingly understood, and one mechanism of action of these cells is neutrophil extracellular traps. However, little is known about this process in PJI. QUESTIONS/PURPOSES (1) Are the biomarkers of neutrophil extracellular trap formation (citrullinated histone H3 [H3Cit], cell-free DNA [cf-DNA], and myeloperoxidase [MPO]) increased in the synovial fluid of patients with PJI? (2) What is the diagnostic accuracy of biomarkers of neutrophil extracellular trap formation for PJI? METHODS Between May 2020 and March 2021, 43 patients who underwent revision THA or TKA were enrolled in this study. Eleven patients were excluded and 32 patients were categorized into the PJI group (n = 16) or non-PJI group (n = 16) according to the 2018 Second International Consensus Meeting on Musculoskeletal Infection criteria. There were 15 men and 17 women in this study, with a median (range) age of 70 years (60 to 80 years). Twenty-seven patients had TKA and five had THA. We measured cf-DNA, MPO, and H3Cit in synovial fluid. The sensitivity, specificity, and receiver operating characteristic curve were calculated for each biomarker using the Musculoskeletal Infection Society criteria as the gold standard for diagnosis and considering a clinical surveillance of 2 years for patients in the non-PJI group. RESULTS Patients with PJI had higher levels of synovial fluid cf-DNA (median [range] 130 ng/µL [18 to 179] versus 2 ng/µL [0 to 6]; p < 0.001), MPO (1436 ng/µL [55 to 3996] versus 0 ng/µL [0 to 393]; p < 0.001), and H3Cit (2115 ng/µL [5 to 2885] versus 3 ng/µL [0 to 87]; p < 0.001) than those in the non-PJI group. In receiver operating characteristic curve analyses, we observed near-perfect performance for all biomarkers evaluated, with an area under the curve of 1 (95% CI 0.9 to 1), 0.98 (95% CI 0.9 to 1), and 0.94 (95% CI 0.8 to 0.99) for cf-DNA, MPO, and H3Cit, respectively. The sensitivity for detecting PJI using synovial fluid was 100% for cf-DNA, 94% for MPO, and 88% for H3Cit. The specificity was 100% for cf-DNA and MPO, and 88% for H3Cit. CONCLUSION Our results show that neutrophils in the periprosthetic microenvironment release neutrophil extracellular traps as part of the bactericidal arsenal to fight infection. These results allow a better understanding of the cellular and molecular processes that occur in this microenvironment, enabling the design of more assertive strategies for identifying new biomarkers and improving the available ones. Novel studies are needed to define whether and how neutrophil extracellular trap-related biomarkers can be useful for diagnosing PJI. LEVEL OF EVIDENCE Level II, diagnostic study.
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Affiliation(s)
- Osamu de Sandes Kimura
- Center for Surgery of Hip, National Institute of Traumatology and Orthopaedics, Rio de Janeiro, Brazil
| | - Alan Mozella
- Center for Surgery of Knee, National Institute of Traumatology and Orthopaedics, Rio de Janeiro, Brazil
| | - Hugo Cobra
- Center for Surgery of Knee, National Institute of Traumatology and Orthopaedics, Rio de Janeiro, Brazil
| | | | | | | | | | - Helton Defino
- Department of Orthopaedics and Anaesthesiology, Ribeirão Preto Medical School, University of São Paulo, São Paulo, Brazil
| | - Ana Carolina Leal
- Teaching and Research Division, National Institute of Traumatology and Orthopaedics, Rio de Janeiro, Brazil
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Wilson JM, Trousdale RT, Bedard NA, Lewallen DG, Berry DJ, Abdel MP. Cemented dual-mobility constructs in uncemented revision acetabular components. Bone Joint J 2024; 106-B:352-358. [PMID: 38555941 DOI: 10.1302/0301-620x.106b4.bjj-2023-1061.r1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 04/02/2024]
Abstract
Aims Dislocation remains a leading cause of failure following revision total hip arthroplasty (THA). While dual-mobility (DM) bearings have been shown to mitigate this risk, options are limited when retaining or implanting an uncemented shell without modular DM options. In these circumstances, a monoblock DM cup, designed for cementing, can be cemented into an uncemented acetabular shell. The goal of this study was to describe the implant survival, complications, and radiological outcomes of this construct. Methods We identified 64 patients (65 hips) who had a single-design cemented DM cup cemented into an uncemented acetabular shell during revision THA between 2018 and 2020 at our institution. Cups were cemented into either uncemented cups designed for liner cementing (n = 48; 74%) or retained (n = 17; 26%) acetabular components. Median outer head diameter was 42 mm. Mean age was 69 years (SD 11), mean BMI was 32 kg/m2 (SD 8), and 52% (n = 34) were female. Survival was assessed using Kaplan-Meier methods. Mean follow-up was two years (SD 0.97). Results There were nine cemented DM cup revisions: three for periprosthetic joint infection, three for acetabular aseptic loosening from bone, two for dislocation, and one for a broken cup-cage construct. The two-year survivals free of aseptic DM revision and dislocation were both 92%. There were five postoperative dislocations, all in patients with prior dislocation or abductor deficiency. On radiological review, the DM cup remained well-fixed at the cemented interface in all but one case. Conclusion While dislocation was not eliminated in this series of complex revision THAs, this technique allowed for maximization of femoral head diameter and optimization of effective acetabular component position during cementing. Of note, there was only one failure at the cemented interface.
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Affiliation(s)
- Jacob M Wilson
- Department of Orthopedic Surgery, Mayo Clinic, Rochester, Minnesota, USA
| | - Robert T Trousdale
- Department of Orthopedic Surgery, Mayo Clinic, Rochester, Minnesota, USA
| | - Nicholas A Bedard
- Department of Orthopedic Surgery, Mayo Clinic, Rochester, Minnesota, USA
| | - David G Lewallen
- Department of Orthopedic Surgery, Mayo Clinic, Rochester, Minnesota, USA
| | - Daniel J Berry
- Department of Orthopedic Surgery, Mayo Clinic, Rochester, Minnesota, USA
| | - Matthew P Abdel
- Department of Orthopedic Surgery, Mayo Clinic, Rochester, Minnesota, USA
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Abane C, Gominard P, Hardy J, Alain A, Marcheix PS. Should recommended laboratory-test cut-offs allowing surgery be followed for proximal femoral fractures in patients on direct oral anticoagulant therapy? Orthop Traumatol Surg Res 2024; 110:103819. [PMID: 38278346 DOI: 10.1016/j.otsr.2024.103819] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/30/2021] [Revised: 07/10/2023] [Accepted: 10/11/2023] [Indexed: 01/28/2024]
Abstract
BACKGROUND Proximal femoral fractures (PFFs) in elderly patients must receive prompt surgical treatment. Optimal PFF-surgery timing in patients on direct oral anticoagulant (DOA) therapy is a specific but common clinical issue. Recommendations exist about the anti-Xa or anti-IIa levels and creatinine clearance values required to allow surgery. The objectives of this study in patients older than 75 years who required PFF surgery were to evaluate bleeding when the recommendations were versus were not applied and to assess concordance between DOA-activity-assay results and creatinine clearance used to help determine the wait to surgery. HYPOTHESIS Peri-operative bleeding is more marked when surgery is performed while the DOA is still active. PATIENTS AND METHODS This single-centre, retrospective, comparative, observational study included 87 patients older than 75 years who required arthroplasty or intra-medullary nailing for PFF and were taking DOA therapy. Surgery was performed after versus before the laboratory-test results fell below the recommended cut-offs in 68 patients (Rec+ group) versus 19 patients (Rec- group), respectively. The study outcomes were blood loss estimated using the Mercuriali's formula and the proportion of patients requiring post-operative blood transfusions. RESULTS Mean blood loss was 287.1mL in the Rec+ group and 411.7mL in the Rec- group (p=0.12). Blood transfusions were required by a post-operative haemoglobin level below 0.8g/dL in 11 (16.2%) Rec+ patients and 6 (31.6%) Rec- patients (p=0.2). Concordance was poor between DOA activity and creatinine clearance (Cohen's κ, 0.16; p=0.146). DISCUSSION Peri-operative bleeding was not significantly more severe when PFF surgery was performed while DOA therapy was still active. These data suggest that PFF surgery within 48h may be appropriate in patients older than 75 years on DOA therapy. LEVEL OF EVIDENCE IV; retrospective single-centre study.
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Affiliation(s)
- Cynthia Abane
- Service d'orthopédie-traumatologie, CHU Dupuytren, 2, avenue Martin-Luther-King, 87042 Limoges cedex, France
| | - Pierre Gominard
- Service d'orthopédie-traumatologie, CHU Dupuytren, 2, avenue Martin-Luther-King, 87042 Limoges cedex, France
| | - Jérémy Hardy
- Service d'orthopédie-traumatologie, CHU Dupuytren, 2, avenue Martin-Luther-King, 87042 Limoges cedex, France
| | - Armand Alain
- Service d'orthopédie-traumatologie, CHU Dupuytren, 2, avenue Martin-Luther-King, 87042 Limoges cedex, France
| | - Pierre-Sylvain Marcheix
- Service d'orthopédie-traumatologie, CHU Dupuytren, 2, avenue Martin-Luther-King, 87042 Limoges cedex, France.
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Olsson SE, Amado I, Fijany A, Soleimani S, Troia T, Washington KL, Sanchez HB, Kurapati S, Pekarev M. Vastus Lateralis Muscle Flap for High-Risk Patients Undergoing Orthopaedic Hip Surgery. J Am Acad Orthop Surg Glob Res Rev 2024; 8:01979360-202404000-00021. [PMID: 38661556 DOI: 10.5435/jaaosglobal-d-23-00151] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/27/2023] [Accepted: 02/19/2024] [Indexed: 04/26/2024]
Abstract
INTRODUCTION Chronic infections and soft-tissue defects are serious complications after total hip arthroplasties (THAs) that may require hip disarticulation (HD). HD is a relatively high-risk procedure with poor long-term outcomes and survival. This is the first study to analyze the effect of an ipsilateral, pedicled vastus lateralis (VL) muscle flap in preventing HD in patients with recurrent complications after THA. METHODS This retrospective case review analyzed the 6-month postoperative outcomes of 14 patients who underwent soft-tissue hip reconstruction with a VL muscle flap by a single surgeon. RESULTS Most (86%) patients fully recovered after 6 months with preserved hip range of motion, no pain, and no weakness on ambulation. Two (14%) patients ultimately required HD despite introducing a VL flap. DISCUSSION A VL muscle flap is an effective treatment of nonhealing THA and prophylactic intervention for patients at high risk for HD. The VL muscle is optimal because of its large size allowing reduction of soft-tissue dead space, its local anatomical location to the hip, and its exceptional vascularity. Additional prospective studies are necessary to determine the most appropriate population for this technique.
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Affiliation(s)
- Sofia E Olsson
- From the Anne Burnett Marion School of Medicine at Texas Christian University, Fort Worth, TX (Ms. Olsson, Ms. Amado, Dr. Fijany, Ms. Soleimani, Mr. Troia, Dr. Washington and Dr. Kurapati); the Texas Health Orthopedic Specialists, Fort Worth, TX (Dr. Sanchez); and the MP Plastic Surgery, Fort Worth, TX (Dr. Pekarev)
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Karlidag T, Luo TD, Gehrke T, Citak M. How Reliable Is the Absolute Synovial Polymorphonuclear Neutrophil Cell Count in Diagnosing Periprosthetic Joint Infection? J Arthroplasty 2024; 39:1060-1068. [PMID: 37914034 DOI: 10.1016/j.arth.2023.10.038] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/22/2023] [Revised: 10/17/2023] [Accepted: 10/19/2023] [Indexed: 11/03/2023] Open
Abstract
BACKGROUND Diagnosing periprosthetic joint infection (PJI) is a daunting task for even the most experienced orthopedic surgeons, as there is currently no test available that can provide absolute accuracy. Utilizing an established synovial indicator for detecting PJI without incurring additional costs or resources would be the optimal solution for predicting the presence of infection. Therefore, we hypothesized that synovial absolute neutrophil count (ANC) would improve the diagnostic accuracy of chronic knee and hip PJI. METHODS The study included 260 patients (134 men and 126 women, mean age of 70 years [range, 26 to 89]) who underwent aspiration during preoperative workup. Of these, 109 patients (41.9%) were diagnosed with chronic PJI (50 knees, 59 hips), and 151 patients (58.1%) were diagnosed as aseptic (94 knees, 57 hips). Data obtained from all patients included age, sex, procedure type (total hip or total knee arthroplasty), operation side, synovial white blood cell count (cells/μL), synovial polymorphonuclear cells percentage, and synovial α-defensin immunoassay value at the admission were retrieved from the electronic medical record. RESULTS The calculated optimal threshold for synovial ANC of 1,415.5 cells/μL was associated with an area under the receiver operating characteristic curve (AUC) of 0.930 for chronic knee PJI diagnosis. The calculated optimal threshold for synovial ANC of 2,247 cells/μL was associated with an AUC of 0.905 for chronic hip PJI diagnosis. CONCLUSIONS This study has conclusively shown that the synovial ANC serves as a valuable marker in the complicated diagnosis of PJI. This highly effective and efficient approach should be utilized for obtaining further information through standard tests, thereby ruling out the possibility of PJI. LEVEL OF EVIDENCE III.
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Affiliation(s)
- Taner Karlidag
- Department of Orthopaedic Surgery, Helios ENDO-Klinik Hamburg, Hamburg, Germany
| | | | - Thorsten Gehrke
- Department of Orthopaedic Surgery, Helios ENDO-Klinik Hamburg, Hamburg, Germany
| | - Mustafa Citak
- Department of Orthopaedic Surgery, Helios ENDO-Klinik Hamburg, Hamburg, Germany
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