Showing 41 - 59 results of 59 for search 'postoperative computer simulation', query time: 0.13s Refine Results
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    Lateral Cortical Fixation as the Optimal Strategy for Achieving Stability in Rib Fractures: A Patient-Specific Finite Element Analysis by Xiang Zhang, Xuejun Lan, Wang Shen, Qinghua Zhou

    Published 2025-05-01
    “…Forty patient-specific FEA models of fourth-rib fractures were constructed using the computed tomography scans of 10 patients. Maximum implant displacement (MID), maximum rib fracture displacement, maximum implant von Mises stress (MIVMS), maximum rib von Mises stress, maximum rib strain, and maximum interfragmentary gap (MIG) were assessed by simulating the anterior and posterior loads on the ribs during postoperative frontal collision. …”
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  5. 45

    Biomechanical Optimization of Lumbar Fusion Cages with a Porous Design: A Finite Element Analysis by Chenkai Zhu, Kan Deng, Zhenzong Shao, Yong Wang

    Published 2025-05-01
    “…Lumbar interbody fusion (LIF) is a standard treatment for spinal instability, yet postoperative subsidence and adjacent segment degeneration (ASD) remain critical challenges. …”
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  6. 46

    Dosimetric evaluation of breast radiotherapy treatments using magnetic valve expansion prostheses by Jéssica Caroline Lizar, Juliana Fernandes Pavoni, Yanai Krutman, Oswaldo Baffa

    Published 2022-07-01
    “…The presence of this metal during radiotherapy difficulties the treatment planning stage, due to the artifacts generated by the magnet in the acquisition of computed tomography. Radiochromic films (Gafchromic EBT2) were used for planar detection inside the prosthesis, around the metal in a plastic phantom that simulates breast geometry filled with water, an insert in the center allowed the placement of the magnet and 2.5 mm thick acrylic layers for film positioning above and below the metal at different depths. …”
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  7. 47

    Phosphoglyceride crystal deposition disease in the abdominal wall: a case report by Osamu Nakahara, Hideo Baba

    Published 2018-09-01
    “…Abstract Background Phosphoglyceride crystal deposition disease (PGDD) is characterized by phosphoglyceride crystal deposition that simulates neoplasia in soft tissue scars or bone. Reports of PGDDs are rare. …”
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    3D printed fracture reduction guides planned and printed at the point of care show high accuracy – a porcine feasibility study by Andreas Hecker, Sophie C. Eberlein, Frank M. Klenke

    Published 2022-01-01
    “…Methods Ten porcine legs underwent computed tomography (CT) and 3D models of femur and tibia were built. …”
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  10. 50

    Quantitative biomechanical analysis of fracture patterns in ipsilateral femoral neck and shaft fractures: an in-silico study by Zhongwei Xiong, Zihao Liu, Houquan Zhou, Xiang Zhang, Jialei Chen

    Published 2025-08-01
    “…Reconstruction nails with cannulated screws were used to fix the fracture models, and postoperative single-leg standing loads were simulated. …”
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  11. 51

    Successful Treatment of Concurrent Cholangiohydatidosis with Obstructive Jaundice and Hepatothoracic Transit in a Pediatric Patient by Narcis Flavius Tepeneu, Călin Marius Popoiu, Emil Radu Iacob, Simona Cerbu, Oana Belei, Rodica Heredea

    Published 2025-01-01
    “…Clinical presentation and laboratory findings are not specific and may simulate an obstructive jaundice and acute cholangitis of other etiology. …”
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  12. 52

    Usefulness of an intraoperative flipped monitor in laparoscopic surgery with situs inversus totalis: a case report of laparoscopic-assisted ileocecal resection by Ryoma Yokoi, Jesse Yu Tajima, Shigeru Kiyama, Masahiro Fukada, Ryuichi Asai, Yuta Sato, Itaru Yasufuku, Yoshihiro Tanaka, Naoki Okumura, Katsutoshi Murase, Takao Takahashi, Nobuhisa Matsuhashi

    Published 2024-01-01
    “…Preoperatively, we evaluated anatomical variations using 3D-computed tomography and simulated mirror images by watching flipped videos of patients with normal anatomy undergoing similar operations. …”
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  13. 53

    Robot-assisted extraction of impacted mandibular tooth: a clinical report by Mirealimu Miadili, Wenbin Zhang, Yan Zhang, Yiming Gao, Halisha Mutalifu, Xiaoman Li, Jianfei Zhang

    Published 2025-05-01
    “…Case presentation A 24-year-old male patient, in good general health, was diagnosed with a median impacted mandibular tooth, as confirmed by cone-beam computed tomography (CBCT) scans. Preoperative in vitro simulations utilizing a robotic system were conducted to establish optimal surgical parameters and to validate the surgical approach. …”
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  14. 54

    Biomechanical Effects of Different Spacing Distributions Between the Cemented Superior Boundary and Surgical Vertebral Superior Endplates After Percutaneous Vertebroplasty for Oste... by Xiao Meng, Chengqiang Zhou, Yifeng Liao, Haibin Zhou, Hua Li, Jiayuan Liu, Xuebin Tang, Yunqing Wang

    Published 2025-02-01
    “…Based on the spacing between the upper boundary of the bone cement and the vertebral body's upper endplates, the model vertebrae were divided into 0, 2, 4, and 6 mm spacing groups, and the human body's upright, flexion–extension, lateral flexion, and rotational positions were simulated. The biomechanical effects of different spacing distributions on the postoperative L1 vertebral body and the injected bone cement were evaluated. …”
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  15. 55

    Establishing an intraoperative, mobile CBCT-based workflow for gynecologic brachytherapy: primary experience and benefit assessment by Andre Karius, Andre Karius, Vratislav Strnad, Vratislav Strnad, Christoph Bert, Christoph Bert, Rainer Fietkau, Rainer Fietkau, Ricarda Merten, Ricarda Merten, Claudia Schweizer, Claudia Schweizer

    Published 2025-04-01
    “…Dosimetric effects were evaluated by calculating common dose–volume parameters for target volume and organs at risk (OARs) and comparing them in both a previous patient cohort and scenarios simulating sole ultrasound guidance. Implant uncertainties between intra- and postoperative imaging were analyzed using a corresponding registration as well.ResultsImplementing intraoperative CBCT was associated with clinical challenges but increased safety feeling during interventions and resulted in geometric as well as dosimetric benefits. …”
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  16. 56

    Mixed Reality Ultrasound-Guided Mini-ECIRS with Apple Vision Pro™ - First Case Report by Roberto Montoro Neto, Fabio C. Vicentini, Ricardo T.S. Ugino, Alexandre Danilovic, Giovanni S. Marchini, Fabio C.M. Torricelli, Carlos A. Batagello, Anderson B. Pellanda, Alexandre Silva, William C. Nahas, Eduardo Mazzucchi

    Published 2025-03-01
    “…Apple Vision Pro (AVP) is a spatial computing device developed by Apple that incorporates virtual reality (VR) for life-like simulations, realistic medical scenarios, interactive anatomical models, and augmented reality (AR) technologies (3). …”
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    Long-term outcomes of a novel method of femoropopliteal bypass by A. B. Zakeryaev, R. А. Vinogradov, P. V. Sukhoruchkin, S. R. Butaev, T. E. Bakhishev, A. I. Derbilov, E. R. Urakov, A. G. Baryshev, V. A. Porkhanov

    Published 2022-09-01
    “…In the inhospital postoperative period, all complications developed in groups 1, 2, 3 and 5. …”
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    Combined resection of the transpancreatic common hepatic artery preserving the gastric arterial arcade without arterial reconstruction in hepatopancreatoduodenectomy: a case report by Takashi Miyata, Yusuke Yamamoto, Teiichi Sugiura, Yukiyasu Okamura, Takaaki Ito, Ryo Ashida, Sunao Uemura, Yoshiyasu Kato, Katsuhisa Ohgi, Atsushi Kohga, Tsuneyuki Uchida, Shusei Sano, Katsuhiko Uesaka

    Published 2018-06-01
    “…A duodenal tumor was identified by gastrointestinal endoscopy, and a biopsy revealed a neuroendocrine tumor. Computed tomography showed multiple metastases in the left three sections of the liver. …”
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