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Sasaki R, Nagashima M, Tanaka K, Takeshima K. Relationship between cement penetration and incidence of a radiolucent line around the tibia 2 years after total knee arthroplasty: A retrospective study. J ISAKOS 2024; 9:609-614. [PMID: 38825183 DOI: 10.1016/j.jisako.2024.05.015] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/23/2023] [Revised: 05/17/2024] [Accepted: 05/29/2024] [Indexed: 06/04/2024]
Abstract
OBJECTIVES Cement penetration (CP) plays a key role in implant stability for cemented total knee arthroplasty (TKA), and the radiolucent line (RLL) >2 mm is a preliminary sign for loosening of components. However, the direct relationship between CP and the frequency of RLL >2 mm is unclear, and the best cut-off value for CP to prevent RLL >2 mm also remains unclear. This study aimed to investigate this relationship between CP and RLL and to determine the clinical cut-off value for tibial CP in patients 2 years after TKA. METHODS This retrospective study investigated 157 knees from 123 patients with osteoarthritis who underwent cemented TKA. The CP and RLL immediately after TKA and the RLL 2 years after TKA were measured for the medial, lateral, anterior, and posterior tibial baseplate zones. Receiver operating characteristic (ROC) curves were constructed to determine the best cut-off values for CP. RESULTS RLL >2 mm was not observed just after TKA. An RLL >2 mm was observed in any tibial baseplate zone in 22 knees from 20 patients (RLL+ group) and was not observed in the remaining (RLL- group) 2 years after TKA. The mean CP for all zones was significantly higher in the RLL- group (2.5 ± 1.1 mm) than in the RLL+ group (1.7 ± 0.6 mm; P < 0.001). An RLL >2 mm was seen in 21 knees in the medial zone, 9 knees in the lateral zone, 8 knees in the anterior zone, and 3 knees in the posterior zone. CP values with RLL >2 mm were significantly lower than those without the RLL at the medial, anterior, and posterior tibial baseplate zones. The best cut-off values from the ROC curve of CP in each zone were between 1.1 mm and 2.1 mm. CONCLUSIONS The depth of the CP directly affects the incidence of an RLL >2 mm. The best cut-off value for tibial CP to prevent an RLL >2 mm is 2.1 mm.
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Affiliation(s)
- Ryo Sasaki
- Department of Orthopaedic Surgery, International University of Health and Welfare Mita Hospital, 1-4-3 Mita, Minato-ku, Tokyo 108-8329, Japan; Department of Orthopaedic Surgery, School of Medicine, International University of Health and Welfare, 852, Hatakeda, Narita City, Chiba 286-8520, Japan; Department of Orthopaedic Surgery, NHO Tokyo Medical Center, 2-5-1 Higashigaoka, Meguro-ku, Tokyo 152-8902, Japan
| | - Masaki Nagashima
- Department of Orthopaedic Surgery, International University of Health and Welfare Mita Hospital, 1-4-3 Mita, Minato-ku, Tokyo 108-8329, Japan; Department of Orthopaedic Surgery, School of Medicine, International University of Health and Welfare, 852, Hatakeda, Narita City, Chiba 286-8520, Japan.
| | - Kentaro Tanaka
- Department of Orthopaedic Surgery, International University of Health and Welfare Mita Hospital, 1-4-3 Mita, Minato-ku, Tokyo 108-8329, Japan; Department of Orthopaedic Surgery, School of Medicine, International University of Health and Welfare, 852, Hatakeda, Narita City, Chiba 286-8520, Japan
| | - Kenichiro Takeshima
- Department of Orthopaedic Surgery, School of Medicine, International University of Health and Welfare, 852, Hatakeda, Narita City, Chiba 286-8520, Japan; Department of Orthopaedic Surgery, International University of Health and Welfare Narita Hospital, 852, Hatakeda, Narita City, Chiba 286-8520, Japan
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Vasiliadis AV, Giovanoulis V. Patellar management in total knee arthroplasty: an educational aid. Singapore Med J 2024:00077293-990000000-00128. [PMID: 38993103 DOI: 10.4103/singaporemedj.smj-2023-154] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/17/2023] [Accepted: 11/12/2023] [Indexed: 07/13/2024]
Affiliation(s)
- Angelo Vasileiou Vasiliadis
- Department of Orthopaedic Surgery, Sports Trauma Unit, St. Luke's Hospital, Thessaloniki, Greece
- Department of Orthopaedic Surgery and Sports Medicine, Croix-Rousse Hospital, Lyon, France
| | - Vasileios Giovanoulis
- Department of Orthopaedic Surgery, Groupe Hospitalier Diaconesses Croix Saint-Simon, Paris, France
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Sasaki R, Nagashima M, Otani T, Okada Y, Aibara N, Takeshima K, Ishii K. Pressurized carbon dioxide lavage reduces the incidence of a radiolucent line around the tibial component two years after total knee arthroplasty. J Orthop Surg Res 2022; 17:349. [PMID: 35841041 PMCID: PMC9284780 DOI: 10.1186/s13018-022-03204-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/11/2021] [Accepted: 06/02/2022] [Indexed: 12/03/2022] Open
Abstract
Introduction In cemented total knee arthroplasty (TKA), pressurized carbon dioxide (CO2) lavage prior to cement fixation can eliminate debris at the bone-cement interface and is considered effective for increasing cement penetration and preventing aseptic loosening. Regarding the risk of a preliminary diagnosis of implant loosening, a radiolucent line (RLL) is a valuable sign. The purpose of this study was to compare the incidence of a tibial RLL at 2 years after TKA with and without pressurized CO2 lavage. Methods This is a retrospective study. One hundred knees from 98 patients were enrolled in this study. TKA was performed without pressurized CO2 lavage (CO2− group) for the first 47 knees, and with pressurized CO2 lavage (CO2+ group) for the next 53 knees. The depth of cement penetration was measured just after surgery, and the incidence of tibial RLL > 2 mm at 2 years after TKA was determined. Results Significant differences between groups were not seen regarding pre- and postoperative clinical factors. The depth of cement penetration in each area was significantly higher in the CO2+ group. The frequency of knees with RLL > 2 mm was significantly lower in the CO2+ group than in the CO2− group (p < 0.001). Conclusions Pressurized CO2 lavage improved cement penetration and decreased the incidence of tibial RLL > 2 mm at 2 years after TKA.
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Affiliation(s)
- Ryo Sasaki
- Department of Orthopaedic Surgery, School of Medicine, International University of Health and Welfare, 4-3 Kōzunomori, Narita City, Chiba, 286-8686, Japan.,Department of Orthopaedic Surgery, International University of Health and Welfare Mita Hospital, 1-4-3 Mita, Minato-ku, Tokyo, 108-8329, Japan.,Department of Orthopaedic Surgery, International University of Health and Welfare Narita Hospital, 852 Hatakeda, Narita City, Chiba, 286-8520, Japan
| | - Masaki Nagashima
- Department of Orthopaedic Surgery, School of Medicine, International University of Health and Welfare, 4-3 Kōzunomori, Narita City, Chiba, 286-8686, Japan. .,Department of Orthopaedic Surgery, International University of Health and Welfare Mita Hospital, 1-4-3 Mita, Minato-ku, Tokyo, 108-8329, Japan. .,Department of Orthopaedic Surgery, International University of Health and Welfare Narita Hospital, 852 Hatakeda, Narita City, Chiba, 286-8520, Japan.
| | - Toshiro Otani
- Department of Orthopaedic Surgery, International University of Health and Welfare Ichikawa Hospital, 6-1-14 Kōnodai, Ichikawa City, Chiba, 272-0827, Japan
| | - Yoshifumi Okada
- Department of Orthopaedic Surgery, International University of Health and Welfare Mita Hospital, 1-4-3 Mita, Minato-ku, Tokyo, 108-8329, Japan
| | - Noriyuki Aibara
- Department of Orthopaedic Surgery, International University of Health and Welfare Mita Hospital, 1-4-3 Mita, Minato-ku, Tokyo, 108-8329, Japan
| | - Kenichiro Takeshima
- Department of Orthopaedic Surgery, School of Medicine, International University of Health and Welfare, 4-3 Kōzunomori, Narita City, Chiba, 286-8686, Japan.,Department of Orthopaedic Surgery, International University of Health and Welfare Narita Hospital, 852 Hatakeda, Narita City, Chiba, 286-8520, Japan
| | - Ken Ishii
- Department of Orthopaedic Surgery, School of Medicine, International University of Health and Welfare, 4-3 Kōzunomori, Narita City, Chiba, 286-8686, Japan.,Department of Orthopaedic Surgery, International University of Health and Welfare Mita Hospital, 1-4-3 Mita, Minato-ku, Tokyo, 108-8329, Japan.,Department of Orthopaedic Surgery, International University of Health and Welfare Narita Hospital, 852 Hatakeda, Narita City, Chiba, 286-8520, Japan
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