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We report on the very-low-frequency earthquakes occurring in the transition zone of the subducting plate interface along the Nankai subduction zone in southwest Japan. Seismic waves generated by very-low-frequency earthquakes with seismic moment magnitudes of 3.1 to 3.5 predominantly show a long period of about 20 seconds. The seismicity of(More)
Metamorphopsia (all causes) results in perceived distortions in the visual field. A simple technique utilizing hyperacuity judgements was developed in this laboratory some years ago to allow quantification of such distortions. We ask here, how good is this assessment method at detecting a distortion? To control better investigations of metamorphopsia, a(More)
Placement of the Avalon Elite bicaval dual lumen cannula for venovenous extracorporeal membrane oxygenation (VV-ECMO) via the internal jugular vein requires precise positioning of the cannula tip in the inferior vena cava with echocardiography or fluoroscopy guidance. Correct guidewire placement is clearly the key first step in assuring proper advancement(More)
A 36-year-old male involved in a car accident was found to have an embolic stroke due to a left atrial myxoma. Open heart surgery was delayed 4 weeks to decrease the risk of neurologic complications from the anticoagulation required for cardiopulmonary bypass. After resection of the myxoma, intraoperative transesophageal echocardiography found severe mitral(More)
INTRODUCTION During the past five years, ridged sternal fixation has been utilized for sternal closure after cardiac surgery. It is known that this procedure provides better sternal stability; however, its contribution to patient recovery has not been investigated. METHODS Retrospective chart review was conducted for patients who underwent CABG and/or(More)
We identified a strong temporal correlation between three distinct types of slow earthquakes distributed over 100 kilometers along the dip of the subducting oceanic plate at the western margin of the Nankai megathrust rupture zone, southwest Japan. In 2003 and 2010, shallow very-low-frequency earthquakes near the Nankai trough as well as nonvolcanic tremor(More)
BACKGROUND Accidental hypothermia complicated by cardiac arrest carries a high mortality rate in urban areas. For moderate hypothermia cases conventional rewarming methods are usually adequate, however in severe cases extracorporeal membrane oxygenation (ECMO) is known to provide the most efficient rewarming with complete cardiopulmonary support. We report(More)
Slow slip events (SSEs) are another mode of fault deformation than the fast faulting of regular earthquakes. Such transient episodes have been observed at plate boundaries in a number of subduction zones around the globe. The SSEs near the Boso Peninsula, central Japan, are among the most documented SSEs, with the longest repeating history, of almost 30 y,(More)
Tracheal injury is a rare but highly morbid complication of endotracheal intubation. Recent reviews have advocated conservative management of these injuries without operative intervention. Extracorporeal membrane oxygenation may be a useful tool in non-operative management of tracheal injury in the setting of severe respiratory failure and need for(More)
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