Sachiko Kawasaki

Feasibility of F-Waves Monitoring Under General Anesthesia With Remimazolam: A Prospective Observational Study

Sachiko Kawasaki, Hironobu Hayashi, Tsunenori Takatani, Yusuke Yamamoto et autres

BACKGROUND: F-waves are produced by the re-excitation of spinal anterior horn cells following distal electrical stimulation without being mediated through a conventional monosynaptic reflex pathway. F-waves can often be recorded even when voluntary motor output is limited and have been investigated as …

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Anatomical and Clinical Validation of a Novel Ultrasound-Guided Approach to Lumbar Transforaminal Epidural Injection "Lambda Sign over Horizontal Line"

Sachiko Kawasaki, Manabu Maeda, Nana Maeda, Takamasa Shimizu et autres

Introduction: Transforaminal epidural injection (EI) is an effective treatment for lumbar disorders. We used a novel ultrasound (US)-guided approach to identify the lumbar transforaminal epidural space without radiation or electrical stimulation. This technique shows a characteristic "Lambda sign over Horizontal Line (LHL)" …

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Patient-reported outcomes following anterior cervical corpectomy and fusion versus laminectomy for degenerative cervical myelopathy: analyses of a national multicenter dataset

Sachiko Kawasaki, Paul Gerdhem, Kazuya Kitamura, Anna MacDowall

Purpose: Evidence comparing anterior cervical corpectomy and fusion (ACCF) and laminectomy for degenerative cervical myelopathy (DCM), particularly regarding patient-reported outcome measures (PROMs), remains limited. This study compared postoperative PROMs, complication rates, and reoperation rates between ACCF and laminectomy in patients with DCM. …

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Impact of Cage Angle on Spinal Alignment in Posterior Lumbar Interbody Fusion: A Comparison of 12°, 16°, and 22° Cages

Daisuke Inoue, Hiroaki Matsumori, Hideki Shigematsu, Yurito Ueda et autres

Introduction: We evaluated the effect of 3 high-angle cages on spinal alignment and clinical outcomes following posterior lumbar interbody fusion (PLIF). Methods: A retrospective analysis was performed on 104 patients who underwent PLIF at the L4/5 level between January 2021 and August …

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Does Post-Tetanic Transcranial Stimulation Augment the Wave Amplitudes of Spinal Cord Evoked Potential (Tc-SCEP)?

Michihiro Tanaka, Hideki Shigematsu, Masahiko Kawaguchi, Tsunenori Takatani et autres

STUDY DESIGN: Prospective within-subjects study. OBJECTIVES: Although motor-evoked potential (MEP) amplitude can reportedly be increased by tetanic stimulation of the peripheral nerves before transcranial electrical stimulation (TES), no reports have described on whether tetanic transcranial stimulation augments the wave amplitudes of spinal …

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Perioperative complications in patients aged ≥85 years undergoing spinal surgery: a retrospective comparative study of pre-old and old patients in Japan

Takahiro Mui, Hideki Shigematsu, Masaki Ikejiri, Sachiko Kawasaki et autres

STUDY DESIGN: A retrospective comparative study. PURPOSE: To compare the characteristics of perioperative complications in patients aged ≥85 years with those of younger patients undergoing similar spine surgery and examine factors associated with perioperative complications and clinical outcomes among patients aged ≥85 …

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A novel technique for posterior lumbar interbody fusion to obtain a good local lordosis angle: anterior-release posterior lumbar interbody fusion

Daisuke Inoue, Hiroaki Matsumori, Hideki Shigematsu, Y. Ueda et autres

Herein, we describe a novel posterior lumbar interbody fusion (PLIF) technique with annulus fibrosus (AF) release and the use of expandable cages (called "anterior-release PLIF" [ARPLIF]). In this technique, posterior column osteotomy (PCO) and AF release provide excellent intervertebral mobility. AF release …

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Anterior Placement of Cages in Posterior Lumbar Interbody Fusion for Obtaining Good Lumbar Lordosis Formation

Daisuke Inoue, Hideki Shigematsu, Hiroaki Matsumori, Yurito Ueda et autres

Introduction: Posterior lumbar interbody fusion (PLIF) is a common treatment for nerve root disease associated with lumbar foraminal stenosis or lumbar spondylolisthesis. At our institution, PLIF is usually performed with high-angle cages and posterior column osteotomy (PLIF with HAP). However, not all …

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Silicate/zinc-substituted strontium apatite coating improves the osteoinductive properties of β-tricalcium phosphate bone graft substitute

Hironori Sugimoto, Yusuke Inagaki, Akira Furukawa, Tsutomu Kira et autres

Abstract Background: β-Tricalcium phosphate (β-TCP) is a popular synthetic bone graft substitute with excellent osteoconductive properties and bioabsorbability. However, its osteoinductive properties are inferior to those of autologous or allogeneic bone. Trace elements such as strontium (Sr), silica (Si), and zinc (Zn) …

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Impairment-driven cancer rehabilitation in patients with neoplastic spinal cord compression using minimally invasive spine stabilization

Yukako Ishida, Hideki Shigematsu, Shinji Tsukamoto, Yasuhiko Morimoto et autres

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