Keiichi Nakai

Hamamatsu, Japan

Last Updated: 09/26/2026

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Found 45 publications

Investigation of hospitalization costs for spinal corrective surgery in adult spinal deformity: A multicenter prospective study in Japan.

Investigation of hospitalization costs for spinal corrective surgery in adult spinal deformity: A multicenter prospective study in Japan.

Journal: Journal of orthopaedic science : official journal of the Japanese Orthopaedic Association

Published: September 03, 2025

Comparative study of 2-Octylcyanoacrylate plus polymer mesh tape and surgical stapler for preventing surgical site infection following corrective fusion in patients with adult spinal deformity: a retrospective cohort study.

Comparative study of 2-Octylcyanoacrylate plus polymer mesh tape and surgical stapler for preventing surgical site infection following corrective fusion in patients with adult spinal deformity: a retrospective cohort study.

Journal: Journal of orthopaedic surgery and research

Published: August 24, 2025

Correction: Bilateral lumbar pedicle fracture in a patient receiving long-term bisphosphonate therapy: a case report with pathological evaluation.

Correction: Bilateral lumbar pedicle fracture in a patient receiving long-term bisphosphonate therapy: a case report with pathological evaluation.

Journal: Archives of osteoporosis

Published: November 29, 2024

Bilateral lumbar pedicle fracture in a patient receiving long-term bisphosphonate therapy: a case report with pathological evaluation.

Bilateral lumbar pedicle fracture in a patient receiving long-term bisphosphonate therapy: a case report with pathological evaluation.

Journal: Archives of osteoporosis

Published: June 11, 2024

Reply to letter to the editor by Y. Liu et al.

Reply to letter to the editor by Y. Liu et al.

Journal: Journal of orthopaedic science : official journal of the Japanese Orthopaedic Association

Published: June 02, 2024

Impact of multi-rod reinforcement on rod fractures in adult spinal deformity: A retrospective case series with a minimum follow up of 5 years.

Impact of multi-rod reinforcement on rod fractures in adult spinal deformity: A retrospective case series with a minimum follow up of 5 years.

Journal: Journal of orthopaedic science : official journal of the Japanese Orthopaedic Association

Published: October 12, 2023

Cost-Effectiveness of Corrective Fusion Surgeries for Adult Spinal Deformities: Does Unexpected Revision Surgery Affect Cost-Effectiveness?

Cost-Effectiveness of Corrective Fusion Surgeries for Adult Spinal Deformities: Does Unexpected Revision Surgery Affect Cost-Effectiveness?

Journal: Spine surgery and related research

Published: September 06, 2023

Symptoms of sacral fractures after posterior spinal instrumented fusion: A case series.

Symptoms of sacral fractures after posterior spinal instrumented fusion: A case series.

Journal: Journal of orthopaedic science : official journal of the Japanese Orthopaedic Association

Published: June 02, 2023

5-year outcomes of surgical intervention in patients with adult spine deformity according to preoperative 5-item modified frailty index scores.

5-year outcomes of surgical intervention in patients with adult spine deformity according to preoperative 5-item modified frailty index scores.

Journal: Spine deformity

Published: May 01, 2023

Why does knee flexion in the standing position occur? Spinal deformity or knee osteoarthritis.

Why does knee flexion in the standing position occur? Spinal deformity or knee osteoarthritis.

Journal: Journal of orthopaedic surgery (Hong Kong)

Published: April 11, 2023

Effect of Unintended Tissue Injury on the Development of Thigh Symptoms After Lateral Lumbar Interbody Fusion in Patients With Adult Spinal Deformity: A Retrospective Case Series.

Effect of Unintended Tissue Injury on the Development of Thigh Symptoms After Lateral Lumbar Interbody Fusion in Patients With Adult Spinal Deformity: A Retrospective Case Series.

Journal: Spine

Published: April 10, 2023

Postoperative neurological complications in intradural extramedullary tumors: A 10-year experience of a single center.

Postoperative neurological complications in intradural extramedullary tumors: A 10-year experience of a single center.

Journal: Neuro-Chirurgie

Published: March 25, 2023

Showing 1-12 of 45

Last Updated: 09/26/2026