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Effects of Incentive Spirometry on Respiratory Motion in Healthy Subjects Using Cine Breathing Magnetic Resonance Imaging

Kotani T, Akazawa T, Sakuma T, Nagaya S, Sonoda M, Tanaka Y, Katogi T, Nemoto T, Minami S

OBJECTIVE: To investigate the effectiveness of incentive spirometry on respiratory motion in healthy subjects using cine breathing magnetic resonance imaging (MRI). METHODS: Ten non-smoking healthy subjects without any history of respiratory...
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Accuracy of Pedicle Screw Placement in Scoliosis Surgery: A Comparison between Conventional Computed Tomography-Based and O-Arm-Based Navigation Techniques

Kotani T, Akazawa T, Sakuma T, Koyama K, Nemoto T, Nawata K, Yamazaki A, Minami S

STUDY DESIGN: Retrospective study. PURPOSE: We compared the accuracy of O-arm-based navigation with computed tomography (CT)-based navigation in scoliotic surgery. OVERVIEW OF LITERATURE: No previous reports comparing the results of O-arm-based navigation...
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Analysis of Rod Fracture at the Lumbosacral Junction Following Surgery for Adult Spinal Deformity

Sakuma T, Kotani T, Iijima Y, Akazawa T, Ohtori S, Minami S

Study Design: Retrospective study. Purpose: This study aimed to investigate the differences in the characteristics of patients with rod fracture (RF) at the lumbosacral junction from those without RF following adult...
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Risk Factors for Loosening of S2 Alar Iliac Screw: Surgical Outcomes of Adult Spinal Deformity

Iijima Y, Kotani T, Sakuma T, Nakayama K, Akazawa T, Kishida S, Muramatsu Y, Sasaki Y, Ueno K, Asada T, Sato K, Minami S, Ohtori S

Study Design: Retrospective study. Purpose: To determine the risk factors for S2 alar iliac (S2AI) screw loosening and its association with lumbosacral fusion in patients with adult spinal deformity (ASD). Overview of...
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Assessment of the Initial Diagnostic Accuracy of a Fragility Fracture of the Sacrum: A Study of 56 Patients

Umeda R, Iijima Y, Yamakawa N, Kotani T, Sakuma T, Kishida S, Ueno K, Kajiwara D, Akazawa T, Shiga Y, Minami S, Ohtori S, Nakagawa K

Study Design: Retrospective study. Purpose: To investigate the clinical manifestations of a fragility fracture of the sacrum (FFS) and the factors that may contribute to a misdiagnosis. Overview of Literature: The number...
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Risk factors for allogeneic red blood cell transfusion in adult spinal deformity surgery

Iijima Y, Kotani T, Sakuma T, Akazawa T, Kishida S, Ueno K, Ise S, Ogata Y, Mizutani M, Shiga Y, Minami S, Ohtori S

Study Design: Retrospective study. Purpose: To investigate the risk factors for allogeneic red blood cell (RBC) transfusion in adult spinal deformity (ASD) surgery. Overview of Literature: Studies have not thoroughly explored the...
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Time-Course Changes in Bone Metabolism Markers and Density in Patients with Osteoporosis Treated with Romosozumab: A Multicenter Retrospective Study

Inage K, Orita S, Eguchi Y, Shiga Y, Koda M, Aoki Y, Kotani T, Akazawa T, Furuya T, Nakamura J, Takahashi H, Suzuki-Narita M, Maki S, Hagiwara S, Inoue M, Norimoto M, Kinoshita H, Sato T, Sato M, Enomoto K, Takaoka H, Mizuki N, Hozumi T, Tsuchiya R, Kim G, Otagiri T, Mukaihata T, Hishiya T, Ohtori S

Purpose: In this multicenter retrospective observational study, we examined the early effects of romosozumab in patients with severe osteoporosis in terms of time-course changes in bone metabolism marker, improvement in...
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Hooks at the Upper Instrumented Vertebra Can Adjust Postoperative Shoulder Balance in Patients with Adolescent Idiopathic Scoliosis: 5 Years or More of Follow-up

Kuroya S, Akazawa T, Kotani T, Sakuma T, Minami S, Torii Y, Umehara T, Iinuma M, Murakami K, Orita S, Inage K, Eguchi Y, Fujimoto K, Shiga Y, Nakamura J, Inoue G, Miyagi M, Saito W, Ohtori S, Niki H

STUDY DESIGN: A retrospective cohort study. PURPOSE: This study aims to investigate postoperative shoulder imbalance (PSI) ≥5 years postoperatively in patients who underwent posterior spinal fusion using hooks at the upper...
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Bone Mineral Density and Physical Performance of Female Patients 27 Years or Longer after Surgery for Adolescent Idiopathic Scoliosis

Akazawa T, Kotani T, Sakuma T, Katogi T, Minami S, Niki H, Torii Y, Morioka S, Orita S, Inage K, Fujimoto K, Shiga Y, Takahashi , Ohtori S

STUDY DESIGN: Retrospective cohort study. PURPOSE: To assess bone mineral density (BMD) and bone metabolism ≥27 years after surgery in female patients who underwent spinal fusion for adolescent idiopathic scoliosis (AIS)...
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