Publications by authors named "M Tsushima"

Introduction: This study aimed to investigate the clinical and radiological outcome of "indirect decompression" using lateral-posterior combined surgery for osteoporotic vertebral fracture (OVF) with neurological symptoms.

Methods: A total of 17 patients who underwent lateral and posterior combined indirect decompressive spinal reconstruction (LP-IDR) for single-level OVF with neurological symptoms were included in this study. The neurological symptoms (sensory disturbance and muscle weakness) and imaging findings (local angle and height of the fracture segment and bone fragment occupancy in the spinal canal) were investigated preoperatively, postoperatively, and at the 1-year follow-up.

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The International Commission on Radiological Protection recommended a significant reduction of the equivalent dose limit for the eye lens. Reportedly, medical staff in charge of diagnostic imaging procedures may exceed the new dose limits for the eye lens. The use of dosimeters dedicated to the eye lens remains low, and dosimeters for the neck region were often used to assess eye lens doses.

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  • Hypertriglyceridemia is a cardiovascular risk factor, but its impact on outcomes for patients with acute myocardial infarction (AMI) remains unclear.
  • A study involving 538 AMI patients categorized them into three groups based on serum triglyceride levels, finding that those with low triglycerides (T1 group) had worse outcomes despite fewer cardiovascular risk factors.
  • Patients in the T1 group experienced a significantly higher rate of major adverse cardiovascular events (20.4%) compared to those in higher triglyceride groups, making low TG levels an independent predictor of poor clinical outcomes.
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  • The study investigated the effectiveness of implantable cardioverter defibrillators (ICDs) in Japanese patients with ischemic heart disease (IHD), focusing on the incidence and predictors of appropriate ICD therapy.
  • A total of 141 IHD patients were followed for an average of 5.5 years, revealing similar rates of appropriate ICD therapy between primary and secondary prevention groups, with a notable increase in the secondary group during the first two years.
  • The analysis identified sustained ventricular tachycardia (VT) as a key predictor of receiving appropriate ICD therapy, highlighting the importance of monitoring patients closely, especially in the high-risk period following their first treatment.
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Purpose: To investigate changes in postoperative mobility status in patients with ASD, and the determining factors that influence these changes and their impact on clinical outcomes, including the rate of home discharge and long-term mobility.

Methods: A total of 299 patients with ASD who underwent multi-segment posterior spinal fusion were registered in a multi-center database were investigated. Patient mobility status was assessed using walking aids and classified into five levels (1: independent, 2: cane, 3: walker, 4: assisted, and 5: wheelchair) preoperatively, at discharge, and after 2 years.

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