Publications by authors named "Ken-ichi Ogata"

Background: We investigated the success and complication rates of endoscopic transpapillary gallbladder drainage (ETGBD) and percutaneous transhepatic gallbladder drainage (PTGBD) and the outcomes of subsequent cholecystectomy for acute cholecystitis.

Methods: Patients (N=178) who underwent cholecystectomy after ETGBD or PTGBD were retrospectively assessed.

Results: ETGBD was successful in 47 (85.

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Long-term methotrexate (MTX) treatment can cause MTX-related lymphoproliferative disorder (MTX-LPD). We experienced a case of MTX-LPD that was associated with severe osteonecrosis of the jaw mimicking medication-related osteonecrosis of the jaw. The patient was an 81-year-old woman with rheumatoid arthritis (RA) who was treated with MTX and bisphosphonate.

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In the management of inoperable patients with advanced gastric cancer, it is important to control a tumor bleeding actively and to make sure that the patient can take meals through the stenotic cardia for the purpose of keeping the patients' quality of life well. We treated five gastric cancer patients with chemoradiation therapy consisting of CDDP (6 mg/m2) and S-1 (100 mg/body). In the treatment results, we have never seen an active tumor bleeding and anemic state, which required a blood transfusion after the treatment.

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Background: The expanding role of cardiac markers - cytosolic [heart-type fatty acid-binding protein (H-FABP) and creatine kinase MB (CK-MB)], myofibril [troponin T (TnT)], and cardio-endocrine [N-terminal pro-B-type natriuretic peptide (NT-proBNP)] - has been clarified in patients with acute coronary syndrome and those with heart failure. However, these applications for early risk stratification in the cardiac emergency, and the influence of renal function on these evaluations have not been fully investigated.

Patients And Methods: We investigated the prognostic value of these representative cardiac markers and influence of renal function on these evaluations in 165 consecutive patients who were admitted for cardiac emergency because of chest pain or dyspnea.

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In the management of inoperable patients who have advanced gastric cancer, it is important to control an active tumor bleeding for the purpose of keeping the patient's quality of life well. We treated two patients: embolization with coil to aneurysm in the gastric tumor in one case, and embolization and chemoradiationtherapy with S-1 in the other. In results, we have never seen an active tumor bleeding and anemic state requiring a blood transfusion after the treatment.

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We report a case of a 72-year-old man with advanced rectal cancer who refused an operation for cancer therapy. We underwent radiation therapy (40 Gy) for the purpose of suppressing tumor bleeding. Consequently, we administered S-1 (100 mg/day) orally.

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We treated 4 cases of advanced pancreatic cancer: 2 cases were nonresectable and the other 2 cases did not choose an operation but arterial infusion chemotherapy with gemcitabine after the transcatheter peripancreatic arterial embolizaiton. One case resulted in a tumor decrease but the other 3 cases observed a tumor progress. Although we confirmed cancer pain suppression in all cases and a disappearance of tumor fever in one case, the survival period was 7 months in spite of the treatment.

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The patient was a 67-year-old man who had been operated for eshophageal cancer 4 years ago. He was diagnosed as intrahepatic cholangiocarcinoma by CT after 2 years of the operation. After admission to our hospital, he was treated by hepatic arterial infusion chemotherapy with CDDP, levofolinate calcium (L-LV) and 5-FU with chronomodulation.

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We treated 3 cases of local pelvic recurrence due to a rectal cancer post operation by arterial infusion chemotherapy with 5-FU and levofolinate calcium and also by radiation therapy. The result of imaging analysis showed that a recurrent tumor was decreased effectively in 2 cases by chemo-radiation therapy. We confirmed the cancer pain and tumor bleeding were gone for all of the 3 cases.

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A 52-year-old man with Down's syndrome was implanted with a DDDR pacemaker for advanced atrioventricular block. He was admitted with development of skin eczema and partial exposure of the generator 1 year after reimplantation. There was no evidence of infection on laboratory data.

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Background: N-terminal pro-B-type natriuretic peptide (NT-proBNP) is elevated in patients with acute coronary syndrome (ACS), and is a powerful predictor of long-term mortality. Differences in the clinical utility and pathophysiological implication of NT-proBNP and conventional cardiac markers in patients with ST elevation (STE) vs non-STE (NSTE) ACS were investigated in the present study.

Methods And Results: Ninety consecutive patients admitted with acute chest pain and a diagnosis of unstable angina or acute myocardial infarction were analyzed.

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High-risk acute coronary syndrome is characterized by vulnerable-plaque with subocclusive thrombus and down-stream microemboli spreading minor myocardial damage, resulting in non-ST-elevation myocardial infarction. Advances in the understanding of the pathogenesis and consequences of acute coronary syndrome have stimulated development of novel biomarkers, and expanded their role in the different spectrum of the underlying pathophysiology, namely multi-biomarker strategy; consisted of biomarkers for 1) myocardial necrosis(membrane damage to myofibril necrosis), 2) plaque destabilization, 3) myocardial stress(ischemic stress per se and end-diastolic atrial or ventricular wall stress), 4) myocardial ischemia, and 5) inflammatory process. In this article, we review clinical importance of novel biomarkers referring our previous clinical investigation and other reports, especially troponin T for detection of minor myocardial damage associated with vulnerable plaque with thrombus/embolus, heart-type fatty acid -binding protein for earlier detection of myocardial damage and it's role for the rule-out triage, N-terminal pro-BNP for earlier risk stratification in cardiac emergency, and soluble CD40 ligand for earlier identification of plaque destabilization with platelet activation in non-ST-elevation acute coronary syndrome.

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We have examined the utility of the convex echo probe, which has the fine gutter of a puncture needle in laparoscopic radio frequency ablation therapy. When we use a flexible linear echo probe in RFA treatment, we have to puncture tumor with the hand piece in free hand. But it is difficult to treat in the case of HCC which is located in S1 and the lower area of S5 and S6 because we have a narrow space where colon, duodenum and netz are close for safe and exact puncturing of the tumor.

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Background: Measurement of brain natriuretic peptide (BNP) has become a potent diagnostic aid as a means of identifying patients with systolic or diastolic dysfunction. Due to better stability in circulating blood, we reasoned that measurement of N-terminal proBNP (NT-proBNP) may be a more discerning marker for the detection and evaluation of chronic heart failure.

Methods: The relationships between plasma concentrations of NT-proBNP and BNP, and aetiology, New York Heart Association (NYHA) classification, and left ventricular ejection fraction (LVEF) were analyzed in 105 patients with chronic heart failure.

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Purpose: We sought to determine the clinical utility of a newly developed qualitative test to measure heart-type fatty acid-binding protein levels in blood for the early identification of myocardial infarction.

Methods: We measured heart-type fatty acid-binding protein levels in 371 consecutive patients with acute chest pain and suspected myocardial infarction, and compared the performance of this test with those of troponin T and myoglobin tests. Levels of heart-type fatty acid-binding protein >or=6.

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