Publications by authors named "Kei Ando"

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Active Gallbladder Lavage Using a Double-pigtail Plastic Stent Delivery System During Endoscopic Ultrasound-guided Gallbladder Drainage (With Video).
Tesshin Ban, Yoshimasa Kubota, Kei Ando, Naoto Imura, Youta Hirayama, Tomoaki Ando

DEN Open· April 2026

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Multi-holed fully covered self-expandable metal stent to dilate a benign hepaticojejunostomy anastomotic stricture.
Tesshin Ban, Yoshimasa Kubota, Yota Hirayama, Kei Ando, Naoto Imura

Endoscopy· December 2025

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Gel immersion transpapillary stone removal for recurrent choledocholithiasis.
Yota Hirayama, Tesshin Ban, Kei Ando, Naoto Imura, Yoshimasa Kubota

Endoscopy· December 2025

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Impact of Signal Intensity Change in MRI on the Clinical Outcomes of Cervical Ossification of the Posterior Longitudinal Ligament: A Prospective Multicenter Study.
Narihito Nagoshi, Satoru Egawa, Toshitaka Yoshii, Kenichiro Sakai, Kazuo Kusano, Kei Ando

Spine (Phila Pa 1976)· August 2025

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Comparative analysis of bone regeneration in critical-sized defects using self-assembling peptide hydrogel-178, bone morphogenetic protein-2, and calcium phosphate scaffolds in a rat femur model.
Ippei Yamauchi, Hiroaki Nakashima, Sadayuki Ito, Naoki Segi, Jun Ouchida, Kei Ando

Nagoya J Med Sci· August 2025

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A clinical study of ten-year prognosis in patients with lumbar disc herniation treated with condoliase in a phase III trial.
Yukihiro Matsuyama, Tomohiro Banno, Hideaki Imabayashi, Tetsuro Takatsu, Fumihiro Oha, Kei Ando

J Orthop Sci· July 2025

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Para-Hisian Pacing in a Patient With Pre-Existing Right Bundle Branch Block: What Is the Mechanism?
Takashi Nakashima, Masaru Nagase, Yuya Suzumura, Takahiro Usui, Mikihito Morimoto, Kei Ando

J Cardiovasc Electrophysiol· June 2025

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Does Advanced Age Negatively Impact Treatment Outcomes of Cervical Ossification of the Posterior Longitudinal Ligament? A Prospective Multicenter Study.
Narihito Nagoshi, Satoru Egawa, Kenichiro Sakai, Kazuo Kusano, Shunji Tsutsui, Kei Ando

Spine (Phila Pa 1976)· June 2025

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Two-To-One Conduction Between the Inside and Outside of the Left Atrial Posterior Wall During Atrial Tachycardia: What Is the Mechanism?
Takashi Nakashima, Masaru Nagase, Takahiro Usui, Mikihito Morimoto, Kei Ando

J Cardiovasc Electrophysiol· April 2025

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Impact of Preoperative Motor Status for the Positive Predictive Value of Transcranial Motor-Evoked Potentials Alerts in Thoracic Spine Surgery: A Prospective Multicenter Study by the Monitoring Committee of the Japanese Society for Spine Surgery and Related Research.
Masahiro Funaba, Tsukasa Kanchiku, Go Yoshida, Masaaki Machino, Hiroki Ushirozako, Muneharu Ando, Kei Ando

Global Spine J· March 2025

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Spontaneous resumption of severe infranodal conduction disturbances that followed COVID-19 vaccination.
Takashi Nakashima, Takahiro Usui, Mikihito Morimoto, Masaru Nagase, Kei Ando

J Electrocardiol· March 2025

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Reply to "Letter to the Editor Concerning 'Implant-Related Complications After Spinal Fusion: A Multicenter Study.' by Koshimizu et al.".
Hiroyuki Koshimizu, Hiroaki Nakashima, Tetsuya Ohara, Ryoji Tauchi, Tokumi Kanemura, Kei Ando

Global Spine J· June 2024

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MRI characteristics of disc degeneration after condoliase injection in young patients: A consecutive case series.
Kazuyoshi Kobayashi, Koji Sato, Toshihiro Ando, Kei Ando

J Orthop Sci· March 2024

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The association of serum adiponectin level with activities of daily living in hospitalized elderly patients with heart failure.
Hideki Horibe, Kei Ando, Yasutaka Maekawa, Megumi Narisawa, Yuichiro Yamase

J Cardiol· February 2024

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Response to the Letter to the Editor: Evaluation of the Association between Neck Pain and the Trapezius Muscles in Patients with Cervical Myelopathy Using Motor Evoked Potential: A Retrospective Study.
Sadayuki Ito, Yoshihito Sakai, Atsushi Harada, Kei Ando, Kazuyoshi Kobayashi

Asian Spine J· February 2024

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Preoperative factors affecting the two-year postoperative patient-reported outcome in single-level lumbar grade I degenerative spondylolisthesis.
Tsukasa Kanchiku, Toshihiko Taguchi, Miho Sekiguchi, Naofumi Toda, Noboru Hosono, Kei Ando

N Am Spine Soc J· December 2023

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Impact of the COVID-19 Pandemic on Adherence to Denosumab Therapy: A Single Center Study.
Kazuyoshi Kobayashi, Koji Sato, Toshihiro Ando, Kei Ando, Saori Imura

Asian Spine J· October 2023

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Preoperative Symptom Duration Influences Neurological Recovery and Patient-Reported Outcome Measures After Surgical Treatment of Cervical Ossification of the Posterior Longitudinal Ligament.
Yu Matsukura, Satoru Egawa, Hiroyuki Inose, Kenichiro Sakai, Kazuo Kusano, Kei Ando

Spine (Phila Pa 1976)· September 2023

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Factors Associated With Loss of Cervical Lordosis After Laminoplasty for Patients With Cervical Ossification of the Posterior Longitudinal Ligament: Data From a Prospective Multicenter Study.
Hiroaki Nakashima, Shiro Imagama, Toshitaka Yoshii, Satoru Egawa, Kenichiro Sakai, Kei Ando

Spine (Phila Pa 1976)· August 2023

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Residual Neuropathic Pain in Postoperative Patients With Cervical Ossification of Posterior Longitudinal Ligament.
Masayuki Miyagi, Gen Inoue, Toshitaka Yoshii, Satoru Egawa, Kenichiro Sakai, Kei Ando

Clin Spine Surg· July 2023

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Comparison of Surgical Outcomes of Anterior and Posterior Fusion Surgeries for K-line (-) Cervical Ossification of the Posterior Longitudinal Ligament: A Prospective Multicenter Study.
Narihito Nagoshi, Toshitaka Yoshii, Satoru Egawa, Kenichiro Sakai, Kazuo Kusano, Kei Ando

Spine (Phila Pa 1976)· July 2023

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Genetic insights into ossification of the posterior longitudinal ligament of the spine.
Yoshinao Koike, Masahiko Takahata, Masahiro Nakajima, Nao Otomo, Hiroyuki Suetsugu, Kei Ando

Elife· July 2023

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Characteristics of the cervical spine and cervical cord injuries in older adults with cervical ossification of the posterior longitudinal ligament.
Shun Okuwaki, Toru Funayama, Masao Koda, Fumihiko Eto, Akihiro Yamaji, Kei Ando

Sci Rep· February 2023

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＜Editors' Choice＞ Neck pain after cervical laminoplasty is associated with postoperative atrophy of the trapezius muscle.
Sadayuki Ito, Yoshihito Sakai, Kei Ando, Hiroaki Nakashima, Masaaki Machino

Nagoya J Med Sci· February 2023

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Current Trends in Intraoperative Spinal Cord Monitoring: A Survey Analysis among Japanese Expert Spine Surgeons.
Hideki Shigematsu, Go Yoshida, Shinji Morito, Masahiro Funaba, Nobuaki Tadokoro, Muneharu Ando, Kei Ando

Spine Surg Relat Res· January 2023

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