Yuzuru Inatomi

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Thoracic endovascular aortic repair (TEVAR) an emerging less invasive alternative to surgery, is now being increasingly employed, but spinal cord ischemia (SCI) is still a threat with this procedure. Delayed paraplegia has been frequently observed after TEVAR, suggesting there may be different courses of SCI between TEVAR and the conventional open surgical(More)
Off-pump coronary artery bypass surgery (CABG) has not abolished the risk of postoperative stroke and delirium seen for on-pump CABG. Advanced arteriosclerotic changes are common in both on-pump and off-pump CABG. We sought to analyze if advanced arteriosclerotic changes are risk factors of stroke or transient ischemic attack (TIA), and delirium after(More)
OBJECTIVES The goal of this study was to compare cardiac output derived from the FloTrac/Vigileo™ system (CO(FT)) with cardiac output measured by 3-dimensional transesophageal echocardiography (CO3D) in patients with severe heart failure undergoing cardiac resynchronization therapy. The impact of preoperative systemic vascular resistance index on the(More)
OBJECTIVE To compare cardiac output (CO) measurements acquired using the Flotrac/Vigileo system (Edwards Lifesciences, Irvine, CA) and CO measured by transesophageal echocardiography using the product of the aortic valve area, the time integral of flow at the same site, and the heart rate during abdominal aortic aneurysm (AAA) surgery. DESIGN A(More)
BACKGROUND Near-infrared spectroscopy has been used clinically to continuously and noninvasively monitor cerebral oxygen saturation (ScO2). However, there is no gold standard for measuring absolute values of ScO2. Although time-resolved spectroscopy (TRS) is one of the most reliable algorithms that reliably calculate absolute values of ScO2, there are very(More)
BACKGROUND Inaccurate measurements of body temperature might be associated with complications during the perioperative period. We conducted a retrospective cohort study to compare the bladder temperature and the tympanic membrane temperature in patients undergoing open repair of abdominal aortic aneurysm. METHODS Fifteen adult patients who had undergone(More)
OBJECTIVE Postoperative respiratory complications are serious and frequently observed among patients who undergo thoracoabdominal aortic aneurysm (TAAA) repair. Paravertebral block (PVB) can provide effective analgesia for relief of postoperative thoracotomy pain and may reduce respiratory complications. However, the impact of PVB on postoperative pain and(More)
We describe two cases which developed loss of motor evoked potentials from bilateral lower limbs following thoracoabdominal aortic repair. Paraplegia was suspected in both cases; however, one case of Crawford type 2 aneurysm showed transient left leg monoplegia with a sensory deficit and the other case of aortic pseudoaneurysm showed no neurologic(More)
Near-infrared spectroscopy (NIRS)-based cerebral oximetry is a noninvasive technology used to estimate regional cerebral oxygen saturation (rSO2). Extracranial blood flow is known to substantially affect rSO2 values measured by most clinically available devices. Several studies have also reported that the Trendelenburg position and upright position have a(More)
Stroke during pregnancy is rare, but after occurring, most patients develop serious neurological conditions. Hemorrhagic stroke, including intracerebral hemorrhage and subarachnoid hemorrhage, often requires emergency surgical intervention. In addition to significant maternal physiological changes, the potential for fetal harm should be considered during(More)
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