Yuichiro Yasuda

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BACKGROUND The defibrillation threshold (DFT) is elevated during myocardial ischemia, but the underlying mechanism remains to be elucidated. The hypothesis tested by the present study was that whole heart conductance (WHC) is a determinant of DFT. METHODS AND RESULTS WHC was monitored across the longest diameter of the isolated perfused rat heart, using a(More)
We herein report the case of 75-year-old Japanese female with a community-acquired lung abscess attributable to Streptococcus pneumoniae (S. penumoniae) which extended into the chest wall. The patient was admitted to our hospital with a painful mass on the left anterior chest wall. A contrast-enhanced chest computed tomography scan showed a lung abscess in(More)
We herein report the case of a 61-year-old Japanese male with localized pleural metastases of renal cell carcinoma. The patient was admitted to our hospital because of dyspnea on exertion and left-sided pleural effusion. He had undergone right radical nephrectomy 10 years previously. Contrast-enhanced whole-body computed tomography revealed scattered(More)
BACKGROUND Although amiodarone is a potent antiarrhythmic agent, its clinical use is limited by serious lung toxicity. This study investigated the mechanisms of amiodarone-induced lung toxicity from an immunological perspective. Because interferon gamma (IFN-gamma: Th1 cytokine) inhibits pulmonary fibroblast proliferation whereas interleukin-4 (IL-4: Th2(More)
Sick sinus syndrome was disclosed in a 77 year-old man after a radiofrequency (RF) linear catheter ablation of cavotricuspid isthmus for persistent common atrial flutter. Prolongation of corrected sinus node recovery time, sinoatrial conduction time and AH interval, as observed after RF ablation, suggested binodal (sinus as well as atrioventricular node)(More)
We herein report a case of invasive candidiasis presenting rare findings on chest computed tomography (CT). The chest CT scan showed multiple small cavitary lesions and nodules with surrounding ground-glass opacity, and also bilateral pleural effusion. Although this CT finding is thought as specific for pulmonary aspergillosis, two sets of blood culture(More)
We herein report the case of an 80-year-old Japanese man with multiple lymph node metastases of lymphoepithelioma-like carcinoma (LELC) from an unknown primary site. The patient was admitted to our hospital due to hoarseness and left supraclavicular lymphadenopathy. Contrast-enhanced whole-body computed tomography revealed mediastinal, left supraclavicular,(More)
In July 1980, a 13-year-old girl was referred to our department because she had noticed a clitoromegaly for one year and a deep voice for 4 months. She had two normal appearing younger female siblings. She was reported as having normal looking female genitalia at birth and there was no significant past or family history. Her psychological outlook was(More)
Background The optimal chemotherapy regimen for non-small cell lung cancer patients with interstitial lung disease is unclear. We therefore investigated the safety and efficacy of carboplatin plus nab-paclitaxel as a first-line regimen for non-small cell lung cancer in patients with interstitial lung disease. Methods We retrospectively reviewed advanced(More)
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