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Konishi T, Sato T, Hamai S, Kawahara S, Hara D, Nakashima Y. Robotic Arm-Assisted System Improved Accuracy of Cup Position and Orientation in Cementless Total Hip Arthroplasty for Dysplastic Hips: A Comparison Among Groups With Manual Placement, Computed Tomography-Based Navigation, and Robotic Surgery. Arthroplast Today 2024; 28:101461. [PMID: 39100425 PMCID: PMC11295473 DOI: 10.1016/j.artd.2024.101461] [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: 12/20/2023] [Revised: 04/05/2024] [Accepted: 06/09/2024] [Indexed: 08/06/2024] Open
Abstract
Background Accurate cup placement in total hip arthroplasty (THA) for patients with dysplasia is challenging due to the distinctive bone deformities. This study aimed to compare the accuracy of cup placement position and orientation across robotic arm-assisted systems (R-THA), computed tomography-based navigation (N-THA), and manual procedure (M-THA) in THA for osteoarthritis secondary to dysplasia. Methods A total of 167 patients (197 hips), including 88 R-THAs, 45 N-THAs, and 46 M-THAs, were analyzed. Propensity score matching was performed to align the patient backgrounds. Horizontal and vertical centers of rotation were measured for cup position, whereas radiographic inclination and anteversion were measured for cup orientation. The proportion of cases with cup placement within 3 mm and 5° from the target was compared. Results R-THA had a significantly higher percentage of cup placement within 3 mm of the target compared to N-THA (78% vs 49%; P = .0041) and M-THA (78% vs 53%; P = .013). Similarly, R-THA was significantly more successful in placing the cup within 5° of the target compared to N-THA (84% vs 58%; P = .0049) and M-THA (91% vs 20%; P < .0001). Moreover, N-THA was significantly better at placing the cup within 5° of the target compared to M-THA (62% vs 14%; P < .0001), whereas there was no significant difference in the percentage of cup placement within 3 mm of the target (51% vs 51%; P = 1.0). Conclusions Robotic arm-assisted system and computed tomography-based navigation improved accuracy in cup orientation compared to the manual procedure. Additionally, the robotic arm-assisted system further improved cup position accuracy.
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Affiliation(s)
- Toshiki Konishi
- Department of Orthopaedic Surgery, Graduate School of Medical Sciences, Kyushu University, Fukuoka, Japan
| | - Taishi Sato
- Department of Orthopaedic Surgery, Graduate School of Medical Sciences, Kyushu University, Fukuoka, Japan
| | - Satoshi Hamai
- Department of Orthopaedic Surgery, Graduate School of Medical Sciences, Kyushu University, Fukuoka, Japan
| | - Shinya Kawahara
- Department of Orthopaedic Surgery, Graduate School of Medical Sciences, Kyushu University, Fukuoka, Japan
| | - Daisuke Hara
- Department of Orthopaedic Surgery, Graduate School of Medical Sciences, Kyushu University, Fukuoka, Japan
| | - Yasuharu Nakashima
- Department of Orthopaedic Surgery, Graduate School of Medical Sciences, Kyushu University, Fukuoka, Japan
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An HM, Cao Z, Zhang S, Yang MZ, Kong XP, Chai W. Why robot-assisted total hip arthroplasty aborted: Chinese experience of four hundred and twenty nine consecutive cases. INTERNATIONAL ORTHOPAEDICS 2024:10.1007/s00264-024-06250-0. [PMID: 39012414 DOI: 10.1007/s00264-024-06250-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/22/2024] [Accepted: 07/02/2024] [Indexed: 07/17/2024]
Abstract
PURPOSE Robot-assisted total hip arthroplasty (RA-THA) helps with precise orientation of the prosthesis, but some RA-THA procedures are aborted intraoperatively and are converted to manual total hip arthroplasty (THA). This study aimed to analyse why RA-THA is sometimes aborted intraoperatively and to make recommendations accordingly. METHODS A total of 429 consecutive Mako THA cases in our prospective database from August 2018 to June 2021 were included in our study. All robotic procedures aborted intraoperatively for any reason were recorded. The patients' demographics, diagnoses, and surgeons' information were included in the statistical analysis to pinpoint the risk factors for intraoperative robot to manual conversion. RESULTS Intraoperative RA-THA abortions occurred in 17 cases (3.96%) and the patients had to be converted to manual THA. The adverse events leading to intraoperative abortions included pelvic array loosening or malposition (5, 1.17%), inaccurate bone mapping or construction (6, 1.40%), inaccurate initial registration (4, 0.93%), and other reasons (2, 0.47%). CONCLUSION Robot-related adverse events could be found in all perioperative steps of RA-THA, and some of these events might result in intraoperative abortion. Complex hip disease was a statistically significant factor for an increased risk of intraoperative abortion of RA-THA. Standardized surgical procedures and preoperative assessments can be helpful in reducing the rate of RA-THA abortions.
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Affiliation(s)
- Hao-Ming An
- School of Medicine, Nankai University, Tianjin, China
- Senior Department of Orthopedics, the Fourth Medical Center of PLA General Hospital, Beijing, China
- Chinese PLA Medical School, Beijing, China
| | - Zheng Cao
- School of Medicine, Nankai University, Tianjin, China
- Senior Department of Orthopedics, the Fourth Medical Center of PLA General Hospital, Beijing, China
- Chinese PLA Medical School, Beijing, China
| | - Shuai Zhang
- Senior Department of Orthopedics, the Fourth Medical Center of PLA General Hospital, Beijing, China
- Chinese PLA Medical School, Beijing, China
- Department of Orthopedics, 969th Hospital of Joint Logistics Support Force of PLA, Hohhot, 010051, China
| | - Min-Zhi Yang
- Senior Department of Orthopedics, the Fourth Medical Center of PLA General Hospital, Beijing, China
- Chinese PLA Medical School, Beijing, China
- National Clinical Research Center for Orthopedics, Sports Medicine and Rehabilitation, Beijing, China
| | - Xiang-Peng Kong
- Senior Department of Orthopedics, the Fourth Medical Center of PLA General Hospital, Beijing, China.
- National Clinical Research Center for Orthopedics, Sports Medicine and Rehabilitation, Beijing, China.
| | - Wei Chai
- Senior Department of Orthopedics, the Fourth Medical Center of PLA General Hospital, Beijing, China.
- National Clinical Research Center for Orthopedics, Sports Medicine and Rehabilitation, Beijing, China.
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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. INTERNATIONAL ORTHOPAEDICS 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] [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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