Novel Hump Measurement System With a 3D Camera for Early Diagnosis of Patients With Adolescent Idiopathic Scoliosis: A Study of Accuracy and Reliability

Sato, Tatsuya; Yonezawa, Ikuho; Akimoto, Toshinari; Terada, Nobuyuki; Shimamura, Yukitoshi; Muto, Osamu; Suzuki, Teppei; Momomura, Rei; Uno, Koki; Yamazaki, Ken; Fujiwara, Keiichi; Misawa, Akiko

doi:10.7759/cureus.8229

Cited by 3 publications

(5 citation statements)

References 17 publications

(26 reference statements)

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“…For example, asymmetric development of spinal canal and pedicle, relative stenosis of pedicle, vertebral rotation, pedicle deformation, spinal cord deviation, etc. [14,22,23] , not only increase the di culty of determining the correct entry point through anatomical landmarks, but also easily lead to screw malposition, which affects the accuracy of screw placement and affects the orthopedic effect. Even the screw breaks through the bone cortex, causing compression and injury of the nerve, spinal cord and aorta [24] .…”

Section: Discussionmentioning

confidence: 99%

“…The results suggest that the surgical effect of robot navigation is signi cantly better than that of conventional operation. AIS patients have a unique pedicle structure, including pedicle dysplasia, vertebral rotation [33,34] , thin pedicle, and spinal cord deviation [35] , which are prone to screw misplacement.…”

Section: Discussionmentioning

confidence: 99%

“…However, screw malposition has been frequently reported, with an incidence of 20-30% [10,11] , and the risks of malposition include nerve injury, visceral injury, and the potential need for revision surgery [12,13] . For patients with severe scoliosis and vertebral rotation or small pedicle, the traditional method of screw placement is di cult and complicated, and it is easy to cause screw misplacement [14] . Therefore, how to reduce and prevent the serious incidence of pedicle screw misplacement and neurovascular complications is still a challenge for spine surgeons.…”

Section: Introductionmentioning

confidence: 99%

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Comparison of robot versus fluoroscopy-assisted pedicle screw instrumentation in adolescent idiopathic scoliosis surgery: A Meta- Analysis

Wei,

Duan,

Huo

2023

Preprint

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Aim To investigate the safety and accuracy of robot-assisted pedicle screw placement in adolescent idiopathic scoliosis (AIS) surgery. Methods PubMed, Medline, Embase, Cochrane Library, Web of Science, CNKI, and EMCC databases were searched for studies utilizing the clinical data of adolescent idiopathic scoliosis patients who underwent posterior pedicle screw fixation to collect preoperative, postoperative and follow-up indexes and imaging parameters, including screw implantation accuracy, the number of intraoperative fluoroscopy times, amount of bleeding, operation time, postoperative VAS score and postoperative Cobb angle. Results Six studies were included in this meta-analysis, including 154 patients in the intervention group and 171 patients in the control group. Our results showed that screw implantation accuracy (WMD 1.07, 95% CI (1.01,1.14), P = 0.03) was higher than that in the control group. The number of intraoperative fluoroscopy times (WMD − 6.11, 95% CI (-9.60, -2.62), P = 0.0006) and operation time (WMD 31.52, 95% CI (5.70,57.35), P = 0.02) in the robot group were less, and the differences were statistically significant. Intraoperative blood (WMD − 59.05, 95% CI (-212.81,94.70), P = 0.45), postoperative VAS score (WMD − 0.07, 95% CI (-0.24,0.11), P = 0.46), postoperative Cobb angle (WMD 0.79, 95% CI (-1.12,2.69), P = 0.42) had no statistical significance in the robot group compared with control group. Conclusion The robot navigation system can improve screw implantation accuracy and reduce the operation time and radiation exposure during the operation.

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Section: Discussionmentioning

confidence: 99%

Section: Discussionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Comparison of robot versus fluoroscopy-assisted pedicle screw instrumentation in adolescent idiopathic scoliosis surgery: A Meta- Analysis

Wei,

Duan,

Huo

2023

Preprint

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“…Free-hand pedicle screw insertion in scoliotic patients is difficult because of dysplastic pedicles, vertebral rotation, and spinal cord deviation. 9,28,29 There is wide variation in reported freehand pedicle screw accuracy, from 1.5% to 43%, [6][7][8][9] which is likely explained by variation in surgeon training, experience, and case complexity. A thorough understanding and appreciation of the patient's spine in complex deformity cases is essential for the spine surgeon; however, the 3D nature of the deformed spine is often difficult to visualize even for the most experienced surgeons.…”

Section: Discussionmentioning

confidence: 99%

Comparison of the Accuracy of Pedicle Screw Placement Using a Fluoroscopy-Assisted Free-Hand Technique with Robotic-Assisted Navigation Using an O-Arm or 3D C-Arm in Scoliosis Surgery

et al. 2022

Global Spine Journal

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Study Design Retrospective. Objectives To report and compare the application of robotic-assisted navigation with an O-arm or three-dimensional (3D) C-arm-assisted pedicle screw insertion in scoliosis surgery, and compare with free-hand technique. Methods One hundred and forty-four scoliosis patients were included in this study. Ninety-two patients underwent robotic-assisted pedicle screw insertion (Group A), and 52 patients underwent freehand fluoroscopy-guided pedicle screw insertion (Group B). Group A was further divided into Subgroup AI (n = 48; robotic-assisted navigation with an O-arm) and Subgroup AII (n = 44; robotic-assisted navigation with a 3D C-arm). The evaluated clinical outcomes were operation time, blood loss, radiation exposure, postoperative hospital stay, and postoperative complications. The clinical outcomes, coronal and sagittal scoliosis parameters and the accuracy of the pedicle screw placement were assessed. Results There were no significant differences in blood loss and postoperative hospital stay between Groups A and B ( P = .406, P = .138, respectively). Radiation exposure for patients in Group A (Subgroups AI or AII) was higher than that in Group B ( P < .005), and Subgroup AI had higher patient radiation exposure compared with Subgroup AII ( P < .005). The operation time in Subgroup AII was significantly longer than that in Subgroup AI and Group B ( P = .016, P = .032, respectively). The proportion of clinically acceptable screws was higher in Group A (Subgroups AI or AII) compared with Group B ( P < .005). Conclusions Robotic-assisted navigation with an O-arm or 3D C-arm effectively increased the accuracy and safety in scoliosis surgery. Compared with robotic-assisted navigation with a 3D C-arm, robotic-assisted navigation with an O-arm was more efficient intraoperatively.

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“…Several scoliosis detection systems, using three-dimensional (3D) cameras or sensors, have been developed in recent years [ 6 - 8 ]. Because these systems require specific 3D digital cameras or sensors, and the equipment is expensive, they are rarely used in many countries and regions.…”

Section: Introductionmentioning

confidence: 99%

Mobile Application for Scoliosis Screening Using a Standard 2D Digital Camera

Akazawa

Torii

Ueno

et al. 2021

Cureus

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Several scoliosis detection systems, using three-dimensional (3D) cameras or sensors, have been developed in recent years. Because these systems require specific 3D digital cameras or sensors, and the equipment is expensive, they are rarely used in many countries and regions. The development of a scoliosis screening system that uses standard two-dimensional (2D) digital cameras that come with tablet personal computers (PCs) and smartphones will facilitate the efforts made to detect scoliosis patients on a global scale. The aim of this technical note was to report on a mobile application for scoliosis screening that uses a standard 2D digital camera. The subjects were patients aged 10 years or older who visited our outpatient clinic for scoliosis or suspected scoliosis and underwent whole-spine radiography. Photographs of subjects were obtained using a standard 2D digital camera connected to a tablet PC. For analysis, we used the simplified scoliosis diagnosis support application (Cobb First, Its Corporation, Kawasaki, Japan) which operates on Windows 10 operating system (OS). When an image was imported into the application, it was displayed within a grid. The grid consisted of four columns and 40 rows and was divided into 160 areas. Each image was converted into binarized image data by demarcating skin and background color. The image of the subject was displayed as a black subject on a white background. Two types of conditions were presented to process differences in the environment versus skin color. A binarized image with a clear outline was selected. The determination was displayed as a percentage of the black area in each grid. In each row of the grid, the left and right sides of the black area were compared, and the part with the larger area with respect to the opposite side was colored and displayed. Depending on the ratio of the difference, it was possible to display green, yellow, and red. If this mobile application is available for clinical use, it has the potential to improve the accuracy of screening by physicians and nurses. Furthermore, it may also be used globally to check for possible evidence of scoliosis at home to facilitate the early detection of patients who require a medical checkup for scoliosis. Although it is essential to perform a radiographic examination for the definitive diagnosis of scoliosis, our future goal is to limit radiation exposure and replace a radiologic method with one based on a tablet PC or smartphone. A mobile application using a standard 2D digital camera may improve the accuracy of screening scoliosis by physicians and may have global application in home environments.

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Novel Hump Measurement System With a 3D Camera for Early Diagnosis of Patients With Adolescent Idiopathic Scoliosis: A Study of Accuracy and Reliability

Cited by 3 publications

References 17 publications

Comparison of robot versus fluoroscopy-assisted pedicle screw instrumentation in adolescent idiopathic scoliosis surgery: A Meta- Analysis

Comparison of robot versus fluoroscopy-assisted pedicle screw instrumentation in adolescent idiopathic scoliosis surgery: A Meta- Analysis

Comparison of the Accuracy of Pedicle Screw Placement Using a Fluoroscopy-Assisted Free-Hand Technique with Robotic-Assisted Navigation Using an O-Arm or 3D C-Arm in Scoliosis Surgery

Mobile Application for Scoliosis Screening Using a Standard 2D Digital Camera

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