Fourteen Year Follow-Up of Randomized Clinical Trials of Active Robotic-Assisted Total Hip Arthroplasty

Bargar, William L.; Parise, Carol; Hankins, Andrea; Marlen, Natalie A.; Campanelli, Valentina; Netravali, Nathan A.

doi:10.1016/j.arth.2017.09.066

Cited by 67 publications

(70 citation statements)

References 30 publications

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“…Postoperative complications such as anterior femoral pain and early loosening of the prosthesis are common. Therefore, the optimal opening point of the femoral medullary cavity during hip replacement should be the posterior position of the top of the femoral neck cross-section [10][11][12] .…”

Section: Discussionmentioning

confidence: 99%

“…Relevant basic and clinical studies have found that the FNTA has important clinical significance in determining the spatial configuration of screws used for the internal fixation of femoral neck fractures and the screw hole design of the proximal femoral neck plate, as well as the proximal femoral medullary opening point and femoral prosthesis placement during hip joint replacement [6,[9][10][11][12][13] .…”

Section: Introductionmentioning

confidence: 99%

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Three-Dimensional Morphological Analysis of the Femoral Neck Torsion Angle - An Anatomical Study.

Zhang

Zhao

et al. 2020

Preprint

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Background: The femoral neck torsion angle (FNTA) is a very important but often neglected parameter in assessments of the anatomical morphology of the femoral neck, and it is often confused with the femoral neck anteversion angle (FNAA) in the current literature. Currently, naked eye or two-dimensional literature (2D) visualization method was used in the literature that the measurement method reported, and the measurement parameters and details are not clearly defined. The objection of this research was to establish a three-dimensional (3D) method to measure the FNTA, and to analyse the anatomical and clinical significance of the results. Methods: Computed tomography (CT) data of 200 patients who received a lower extremity CT angiography examination were selected for the three-dimensional CT (3D CT) reconstruction of bilateral femurs by using Mimics software. The 3D axis of the femoral neck was built, and the FNTAs of the isthmus and the basilar part were measured using the “inertia axes” method. SPSS software was used for statistical analyses. Results: The difference in FNTA was statistically significant between the isthmus and the basilar part (isthmus 30.58 ± 8.90° vs. basilar part 23.79 ± 3.98°; p < 0.01). Significant differences in the FNTA were observed between the sexes (males 31.99 ± 9.25° vs. females 27.49 ± 7.19°; p < 0.01). The increase in FNTA from the basilar part to the isthmus was 6.79 ± 8.06°, and the increase observed in men (7.87 ± 8.57°) was larger than that in women (4.44 ± 6.23°, p < 0.01). However, no significant differences in the values were observed between sides. According to the correlation analysis, height exerted the greatest effect on the FNTA (r = 0.255, p＜0.001), and the stepwise linear regression analysis produced the following final regression model: Y = -27.685 + 35.134 × HEIGHT (p < 0.001, R2 = 0.095). Conclusions: This study provides a new and reliable 3D method for measuring the FNTA. The method and results provide a methodological foundation and theoretical support for the research and development of internal fixation devices and configurations of the space for an implant designed to treat a femoral neck fracture. And, the optimal opening point of the femoral medullary cavity is recommended to be located at the posterior position of the top of the femoral neck cross-section during hip replacement.

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Section: Discussionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Three-Dimensional Morphological Analysis of the Femoral Neck Torsion Angle - An Anatomical Study.

Zhang

Zhao

et al. 2020

Preprint

View full text Add to dashboard Cite

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“…18 A study evaluating ROBODOC THA vs standard THA, with a mean follow-up of 14 years, showed no failures for stem loosening at a mean follow-up of 14 years and small but potentially important improvements in clinical outcomes in the robotic group. 19 The ROBODOC system is not without limitations. It requires increased time for planning, registration, and milling.…”

Section: Robodoc/tsolution Onetm Surgical Systemmentioning

confidence: 99%

Robotics in Total Hip Arthroplasty—A Current Review

2018

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Robotic-assisted total hip arthroplasty (THA) is gaining popularity among surgeons and patients alike. This technology has been available clinically in some form for over two decades. This technology claims to improve component positioning, decrease complications, and improve clinical outcomes. Historical and modern systems have shown both advantages and disadvantages while assisting THA procedures. Robotic arms and milling systems have been utilized with both fully active and semi active technology platforms designed to perform or assist the surgeon with various portions of the procedure. The future design objectives include precise planning and even further improved consistent intraoperative execution. Robotics has proven to be beneficial, reliable, and cost effective in numerus other industries and is likely to continue to expand in the field of orthopaedic surgery. This article will review the historical and current technology being utilized for robotic-assisted THA.

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“…But prior to this, FNTA was an underestimated anatomical parameter [7]. The current studies have found that the FNTA has important clinical significance in determining screw space configuration for internal fixation of femoral neck fractures, the screw hole design of the proximal femoral neck plate, and the proximal femoral medullary opening point and femoral prosthesis placement during hip joint replacement [6,[8][9][10][11][12]. Therefore, the accurate definition and measurement standard of the FNTA are important.…”

Section: Introductionmentioning

confidence: 99%

Three-dimensional morphological analysis of the femoral neck torsion angle—an anatomical study

Zhang

Zhao

et al. 2020

J Orthop Surg Res

View full text Add to dashboard Cite

Background: The femoral neck torsion angle (FNTA) is an important but often neglected parameter in assessments of the anatomical morphology of the femoral neck, which is often confused with the femoral neck anteversion angle (FNAA) in the current literature. Currently, the measurement methods reported in the literature all adopt the naked eye or two-dimensional (2D) visualization method, and the measurement parameters and details are not clearly defined. The objection of this research was to provide a reliable 3D method for determining the femoral neck axis, to improve the measurement method of the FNTA, and to analyze the anatomical and clinical significance of the results. Methods: Computed tomography (CT) data of 200 patients who received a lower extremity CT angiography examination were selected, and the bilateral femurs were reconstructed with three dimensional CT (3D CT). First, the 3D axis of the femoral neck was built. Second, the long axis of the cross section the femoral neck isthmus (FNI) and femoral neck basilar part (FNB) were confirmed by the "inertia axes" method, and the plane consisting of the long axis of the cross-section and the center of the femoral head was defined as the long axial plane. Third, the coronal plane of the proximal femur was determined through the long axis of the proximal femur and the femoral coronal. Finally, the FNTAs (the angles between the long axial planes and the coronal plane of the proximal femur) of FNI and FNB were measured. The size of FNTA was compared between the sexes and sides and different locations, the correlation between the parameters and age, height, and weight were evaluated. Results: The difference in FNTA was statistically significant between the isthmus and the basilar part (isthmus 30.58 ± 8.90°vs. basilar part 23.79 ± 3.98°; p < 0.01). Significant difference in the FNTA was observed between the sexes (males 31.99 ± 9.25°vs. females 27.49 ± 7.19°; p < 0.01). The increase in FNTA from the basilar part to the isthmus was 6.79 ± 8.06°, and the male (7.87 ± 8.57°) was greater than the female (4.44 ± 6.23°, p < 0.01). However, no significant difference in the values was observed between sides. Height exerted the greatest effect on the FNTA according to the correlation analysis (r = 0.255, p< 0.001).

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Fourteen Year Follow-Up of Randomized Clinical Trials of Active Robotic-Assisted Total Hip Arthroplasty

Cited by 67 publications

References 30 publications

Three-Dimensional Morphological Analysis of the Femoral Neck Torsion Angle - An Anatomical Study.

Three-Dimensional Morphological Analysis of the Femoral Neck Torsion Angle - An Anatomical Study.

Robotics in Total Hip Arthroplasty—A Current Review

Three-dimensional morphological analysis of the femoral neck torsion angle—an anatomical study

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