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1,023 results on '"Saito, Toshiyuki"'

2. Sacroiliac innervation

Author

Steinke, Hanno, Saito, Toshiyuki, Kuehner, Janne, Reibetanz, Uta, Heyde, Christoph-Eckhard, Itoh, Masahiro, and Voelker, Anna

Published
2022
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42. Short fusion with vertebrectomy during growth in congenital spinal deformity: is early surgical intervention recommended?

Author

Matsumoto, Hiroko, Kawakami, Noriaki, Saito, Toshiyuki, Uno, Koki, Suzuki, Teppei, Watanabe, Kota, Matsumoto, Morio, Yamaguchi, Toru, Yanagida, Haruhisa, Kotani, Toshiaki, Demura, Satoru, Takeshita, Katsushi, and Taniguchi, Yuki

Abstract

Study design: This was a multi-center retrospective cohort study included consecutive pediatric patients who were admitted to 8 institutions for the treatment of congenital spinal deformity from 1991 to 2012. Objective: The purpose of this study was to compare curve corrections and balances, reoperations, and complications at 2-year follow-up between those treated early vs. late. Summary of background data: Although early intervention has been recommended, no empirical study has examined the optimal timing of short fusion among patients with congenital spinal deformity. Methods: Patients with congenital spinal deformity with formation failure undergoing vertebrectomy with short fusion (≤ 6 fusion segments) were categorized as early (surgery at ≤ 6 years) and late (7–18 years) fusion. Outcomes included coronal and sagittal curve corrections at immediate and 2-year evaluations; loss of curve correction from immediate to 2-year follow-up; coronal and sagittal balance at 2 years; and inter-operative, major and minor short-term postoperative, and long-term postoperative complications and reoperations. Results: Early fusion (N= 79) compared to late fusion (N= 96) was associated with greater percent curve correction at immediate (71% vs. 60%, p= 0.0046) and 2-year (63% vs. 52%, p= 0.0153) evaluations adjusting for surgeon experience and preoperative coronal balance. These associations were significant for males and those with 3-level fusions but not 4 to 6-level fusions. Early fusion compared with late fusion had more intraoperative (6% vs. 1%) and postoperative long-term complications (27% vs. 18%), as well as unplanned reoperations (13% vs. 9%). Early vs. late fusion had fewer short-term complications, both major (6% vs. 15%) and minor (6% vs. 15%). Conclusions: Patients who underwent early treatment achieved larger major curve correction by 10% compared to patients with late treatment when assessed at 2-year postoperative evaluation. However, early fusion should be considered with careful attention to possible increased risk of reoperations. Level of evidence: Level III.

Published
2024
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46. Demonstration of Pelvic Anatomy by Modified Midline Transection that Maintains Intact Internal Pelvic Organs

Author

Steinke, Hanno, Saito, Toshiyuki, Herrmann, Gudrun, Miyaki, Takayoshi, Hammer, Niels, Sandrock, Mara, Itoh, Masahiro, and Spanel-Borowski, Katharina

Abstract

Gross dissection for demonstrating anatomy of the human pelvis has traditionally involved one of two approaches, each with advantages and disadvantages. Classic hemisection in the median plane through the pelvic ring transects the visceral organs but maintains two symmetric pelvic halves. An alternative paramedial transection compromises one side of the bony pelvis but leaves the internal organs intact. The authors propose a modified technique that combines advantages of both classical dissections. This novel approach involves dividing the pubic symphysis and sacrum in the median plane after shifting all internal organs to one side. The hemipelvis without internal organs is immediately available for further dissection of the lower limb. The hemipelvis with intact internal organs is ideal for showing the complex spatial relationships of the pelvic organs and vessels relative to the intact pelvic floor. (Contains 7 figures.)

Published
2010
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