Can the possibility of transverse iliosacral screw fixation for first sacral segment be predicted preoperatively? Results of a computational cadaveric study

Jeong, Jin-Hoon; Jin, Jin Woo; Kang, Byoung Youl; Jung, Gu-Hee

doi:10.1016/j.injury.2017.07.021

Cited by 11 publications

(5 citation statements)

References 21 publications

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“…Several previous studies have investigated safe osseous corridors for posterior pelvic fixation using CT scans. 10,15,[17][18][19][20][21][22][23] Fewer of these have included data related to transverse safe zones for TS screw placement. Most like the current study, FIGURE 1.…”

Section: Discussionmentioning

confidence: 99%

“…Several previous studies have investigated safe osseous corridors for posterior pelvic fixation using CT scans. 10,15,17–23 Fewer of these have included data related to transverse safe zones for TS screw placement. Most like the current study, McAndrew et al compared true axial (inlet) and true coronal (outlet) CT reformats with standard axial CT scans.…”

Section: Discussionmentioning

confidence: 99%

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Reformatting of Computed Tomography Scans Parallel to the S1 End Plate Increases Visualization of Trans Sacral Pathway in the First Sacral Segment, Especially With Dysmorphism

Kellam

O’Neill

Daryoush

et al. 2022

Journal of Orthopaedic Trauma

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Objective:To determine whether reformatted computed tomography (CT) scans would increase surgeons' confidence in placing a trans sacral (TS) screw in the first sacral segment.Setting:Level 1 trauma center.Design:A retrospective cohort study.Patients/Participants:There were 50 patients with uninjured pelvises who were reviewed by 9 orthopaedic trauma fellowship-trained surgeons and 5 orthopaedic residents.Main Outcome Measurements:The overall percentage of surgeons who believe it was safe to place a TS screw in the first sacral segment with standard (axial cuts perpendicular to the scanner gantry) versus reformatted (parallel to the S1 end plate) CT scans.Results:Overall, 58% of patients were believed to have a safe corridor in traditional cut axial CT scans, whereas 68% were believed to have a safe corridor on reformatted CT scans (P < 0.001). When grouped by dysplasia, those without sacral dysplasia (n = 28) had a safe corridor 93% of the time on traditional scans and 93% of the time with reformatted CT scans (P = 0.87). However, of those who had dysplasia (n = 22), only 12% were believed to have a safe corridor on original scans compared with 35% on reformatted scans (P < 0.001).Conclusions:CT scan reformatting parallel to the S1 superior end plate increases the likelihood of identifying a safe corridor for a TS screw, especially in patients with evidence of sacral dysplasia. The authors would recommend the routine use of reformatting CT scans in this manner to provide a better understanding of the upper sacral segment osseous fixation pathways.

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Section: Discussionmentioning

confidence: 99%

Section: Discussionmentioning

confidence: 99%

Reformatting of Computed Tomography Scans Parallel to the S1 End Plate Increases Visualization of Trans Sacral Pathway in the First Sacral Segment, Especially With Dysmorphism

Kellam

O’Neill

Daryoush

et al. 2022

Journal of Orthopaedic Trauma

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“…The correct classi cation and preoperative planning of tibial plateau fractures are very important for the selection of surgical approaches and xation methods. CT scanning can scan the tibial plateau in axial, coronal and sagittal planes to show the full picture of the tibial plateau [18][19][20]. While 3D printing can have a more intuitive understanding of the whole tibial plateau and the details of the fracture, which makes various measurements more convenient.…”

Section: The Importance Of Correct Classi Cation Of Tibial Plateau Fractures and Preoperative Planningmentioning

confidence: 99%

The Application of 3D Printing Technology in the Classification and Preoperative Planning of Complex Tibial Plateau Fractures

Chen¹,

Huang²,

Chen³

et al. 2021

Preprint

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Background: Tibial plateau fracture is one of the common intra-articular fractures in clinic. And its accurate classification and treatment is a difficult problem for orthopedic surgeons. Our research aims to investigate the application value of 3D printing in the classification and preoperative planning of complex tibial plateau fractures.Methods: 28 cases of complex tibial plateau fractures diagnosed and treated in our hospital from January, 2017 to January, 2019.01 were analyzed. Preoperative spiral CT scan was performed and then DICOM data were input into the computer. We use Mimics to process data. And 3D printing technology was applied to print the 3D model of fracture (1:1). Combined with the 3D printed model, the tibial plateau fractures were subdivided into seven types according to the geometric plane of the tibial plateau. The surgical approach was determined on the 3D printed model. And then simulated operations such as accurate reduction of fracture and selection of plate placement were performed.Results: The reconstructed 3D model of tibial plateau fracture can accurately reflect the direction of fracture components displacement and the degree of plateau collapse. Also, it can help with the preoperative reconstructive plan for the tibial plateau fracture. The intraoperative fracture details were basically the same as the 3D printed model. And The fracture surface of the tibial plateau of all 28 patients was well improved in terms of restoring the anatomical structure.Conclusion: 3D printing technology can be used to guide the classification and preoperative planning of complex tibial plateau fractures.

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“…The correct classi cation and preoperative planning of tibial plateau fractures are very important for the selection of surgical approaches and xation methods. CT scanning can scan the tibial plateau in axial, coronal and sagittal planes to show the full picture of the tibial plateau [13][14][15]. While 3D printing can have a more intuitive understanding of the whole tibial plateau and the details of the fracture, which makes various measurements more convenient.…”

Section: The Importance Of Correct Classi Cation Of Tibial Plateau Frmentioning

confidence: 99%

The Application of 3D Printing Technology in the Classification and Preoperative Planning of Complex Tibial Plateau Fractures

Chen¹,

Huang²,

Chen³

et al. 2020

Preprint

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Background: Tibial plateau fracture is one of the common intra-articular fractures in clinic. And its accurate classification and treatment is a difficult problem for orthopedic surgeons. Our research aims to investigate the application value of 3D printing in the classification and preoperative planning of complex tibial plateau fractures.Methods: 28 cases of complex tibial plateau fractures diagnosed and treated in our hospital from January, 2017 to January, 2019.01 were analyzed. Preoperative spiral CT scan was performed and then DICOM data were input into the computer. We use Mimics to process data. And 3D printing technology was applied to print the 3D model of fracture (1:1). Combined with the 3D printed model, the tibial plateau fractures were subdivided into seven types according to the geometric plane of the tibial plateau. The surgical approach was determined on the 3D printed model. And then simulated operations such as accurate reduction of fracture and selection of plate placement were performed.Results: The reconstructed 3D model of tibial plateau fracture can accurately reflect the direction of fracture displacement and the degree of plateau collapse. Also, it and can help with the preoperative surgical design of tibial plateau fracture. The intraoperative fracture details were basically the same as the 3D printed model. And the fracture surface of the tibial plateau was well improved in all 28 cases.Conclusion: 3D printing technology can be used to guide the classification and preoperative planning of complex tibial plateau fractures.

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Can the possibility of transverse iliosacral screw fixation for first sacral segment be predicted preoperatively? Results of a computational cadaveric study

Cited by 11 publications

References 21 publications

Reformatting of Computed Tomography Scans Parallel to the S1 End Plate Increases Visualization of Trans Sacral Pathway in the First Sacral Segment, Especially With Dysmorphism

Reformatting of Computed Tomography Scans Parallel to the S1 End Plate Increases Visualization of Trans Sacral Pathway in the First Sacral Segment, Especially With Dysmorphism

The Application of 3D Printing Technology in the Classification and Preoperative Planning of Complex Tibial Plateau Fractures

The Application of 3D Printing Technology in the Classification and Preoperative Planning of Complex Tibial Plateau Fractures

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