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Impact of smoking habit on surgical outcomes in non-B non-C patients with curative resection for hepatocellular carcinoma

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World Journal of Gastroenterology 2017年第8期23卷 1397-1405页

作者： Keita Kai Hiroki Koga Shinichi Aishima Atsushi Kawaguchi Koutaro Yamaji takao ide Junji Ueda Hirokazu Noshiro Department of Pathology Saga University Hospital Departments of Surgery Saga University Hospital Pathology and Microbiology Saga University Hospital Center for Comprehensive Community Medicine Saga University Faculty of Medicine

To analyzed the correlation between smoking status and surgical outcomes in patients with non-B non-C hepatocellular carcinoma (NBNC-HCC), and we investigated the patients’ clinicopathological characteristics according to smoking *** retrospectively analyzed the consecutive cases of 83 NBNC-HCC patients who underwent curative surgical treatment for the primary lesion at Saga University Hospital between 1984 and December 2012. We collected information about possibly carcinogenic factors such as alcohol abuse, diabetes mellitus, obesity and smoking habit from medical records. Smoking habits were subcategorized as never, ex- and current smoker at the time of surgery. The diagnosis of non-alcoholic steatohepatitis (NASH) was based on both clinical information and pathological *** abuse, diabetes mellitus, obesity and NASH had no significant effect on the surgical outcomes. Current smoking status was strongly correlated with both overall survival (P = 0.0058) and disease-specific survival (P = 0.0105) by multivariate analyses. Subset analyses revealed that the current smokers were significantly younger at the time of surgery (P = 0.0002) and more likely to abuse alcohol (P = 0.0188) and to have multiple tumors (P = 0.023).CONCLUSIONCurrent smoking habit at the time of surgical treatment is a risk factor for poor long-term survival in NBNC-HCC patients. Current smokers tend to have multiple HCCs at a younger age than other patients.

关键词： Hepatocellular carcinoma Non-B Non-C Smoking Surgery Prognosis

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Correlation between smoking habit and surgical outcomes on viral-associated hepatocellular carcinomas

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World Journal of Gastroenterology 2018年第1期24卷 58-68页

作者： Keita Kai Sho Komukai Hiroki Koga Koutaro Yamaji takao ide Atsushi Kawaguchi Shinichi Aishima Hirokazu Noshiro Department of Pathology Saga University Hospital Clinical Research Center Saga University Hospital Department of Surgery Saga University Faculty of Medicine Department of Pathology and Microbiology Saga University Faculty of Medicine Center for Comprehensive Community Medicine Saga University Faculty of Medicine

AIM To investigate the association between smoking habits and surgical outcomes in hepatitis B virus(HBV)-related hepatocellular carcinoma(HCC)(B-HCC) and hepatitis C virus(HCV)-related HCC(C-HCC) and clarify the clinicopathological features associated with smoking status in B-HCC and C-HCC *** We retrospectively examined the cases of the 341 consecutive patients with viral-associated HCC(C-HCC,n = 273; B-HCC, n = 68) who underwent curative surgery for their primary lesion. We categorized smoking status at the time of surgery into never, exand current smoker. We analyzed the B-HCC and C-HCC groups' clinicopathological features and surgical outcomes, i.e., disease-free survival(DFS), overall survival(OS), and disease-specific survival(DSS).Univariate and multivariate analyses were performed using a Cox proportional hazards regression model. We also performed subset analyses in both patient groups comparing the current smokers to the other *** The multivariate analysis in the C-HCC group revealed that current-smoker status was significantly correlated with both OS(P = 0.0039) and DSS(P = 0.0416).In the B-HCC patients, no significant correlation was observed between current-smoker status and DFS, OS,or DSS in the univariate or multivariate analyses. The subset analyses comparing the current smokers to the other patients in both the C-HCC and B-HCC groups revealed that the current smokers developed HCC at significantly younger ages than the other patients irrespective of viral infection *** A smoking habit is significantly correlated with the overall and disease-specific survivals of patients with C-HCC. In contrast, the B-HCC patients showed a weak association between smoking status and surgical outcomes.

关键词： Hepatocellular carcinoma Hepatitis B virus Hepatitis C virus Smoking Surgery Prognosis

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Occult hepatitis B virus infection and surgical outcomes in non-B, non-C patients with curative resection for hepatocellular carcinoma

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World Journal of Hepatology 2017年第35期9卷 1286-1295页

作者： Hiroki Koga Keita Kai Shinichi Aishima Atsushi Kawaguchi Koutaro Yamaji takao ide Junji Ueda Hirokazu Noshiro Department of Surgery Saga University Faculty of Medicine Department of Pathology Saga University Hospital Department of Pathology and Microbiology Saga University Faculty of Medicine Center for Comprehensive Community Medicine Saga University Faculty of Medicine

AIM To investigate the prevalence, clinicopathological characteristics and surgical outcomes of occult hepatitis B virus(HBV) infection(OBI) in patients with non-B, non-C(NBNC) hepatocellular carcinoma(HCC).METHODS This study retrospectively examined the cases of 78 NBNC patients with curative resection for HCC for whom DNA could be extracted from formalin-fixed paraffin-embedded tissue. OBI was determined by the HBV-DNA amplification of at least two different sets of primers by TaqM an realtime polymerase chain reaction. Possibly carcinogenetic factors such as alcohol abuse, diabetes mellitus, obesity and non-alcoholic steatohepatitis(NASH) were examined. Surgical outcomes were evaluated according to diseasefree survival(DFS), overall survival(OS) and diseasespecific survival(DSS).RESULTS OBI was found in 27/78 patients(34.6%) with NBNC HCC. The OBI patients were significantly younger than the non-OBI cases at the time of surgery(average age 63.0 vs 68.1, P = 0.0334) and the OBI cases overlapped with other etiologies significantly more frequently compared to the non-OBI cases(P = 0.0057). OBI had no impact on the DFS, OS or DSS. Only tumorrelated factors affected these surgical *** Our findings indicate that OBI had no impact on surgical outcomes. The surgical outcomes of NBNC HCC depend on early tumor detection; this reconfirms the importance of a periodic medical examination for individuals who have NBNC HCC risk factors.

关键词： Hepatocellular carcinoma Non-B non-C Occult hepatitis B virus infection Surgery Surgical outcome

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Occult HBV infection status and its impact on surgical outcomes in patients with curative resection for HCV-associated hepatocellular carcinoma

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Hepatobiliary Surgery and Nutrition 2018年第6期7卷 443-453页

作者： Koutaro Yamaji Keita Kai Sho Komukai Hiroki Koga takao ide Atsushi Kawaguchi Hirokazu Noshiro Shinichi Aishima Department of Surgery Saga University Faculty of MedicineSaga 849-8501Japan Department of Pathology&Microbiology Saga University Faculty of MedicineSaga 849-8501Japan Department of Pathology Saga University HospitalSaga 849-8501Japan Clinical Research Center Saga University HospitalSaga 849-8501Japan Center for Comprehensive Community Medicine Saga University Faculty of MedicineSaga 849-8501Japan

Background:We sought to clarify the prevalence of occult hepatitis B virus(HBV)infection(OBI)and to determine whether OBI affects the surgical outcomes in curatively resected Japanese patients with hepatitis C virus(HCV)-related hepatocellular carcinoma(HCC).Methods:A total of 257 patients with HCV-related HCC who underwent curative surgical resection were *** enrolled patients were serologically negative for HBV surface antigen and positive for HCV *** was extracted from formalin-fixed paraffin-embedded liver *** was determined by the HBV-DNA amplification of at least two different sets of primers by TaqMan real-time polymerase chain *** outcomes were evaluated according to overall survival(OS),disease-specific survival(DSS),and disease-free survival(DFS).Results:OBI was identified in 15 of the 257(5.8%)*** the multivariate analyses,the factors significantly correlated with OS were BMI>25(P=0.0416),portal vein invasion(P=0.0065),and multiple tumors(P=0.0064).The only factor significantly correlated with DSS was T-stage(P=0.0275).The factors significantly correlated with DFS were liver fibrosis(P=0.0017)and T-stage(P=0.0001).The status of OBI did not show any significant correlation with OS,DSS or DFS,but a weak association with DSS(P=0.0603)was ***:The prevalence of OBI was 5.8%in 257 cases of HCV-related *** a weak association between DSS and OBI was observed,and statistical analyses were limited by small number of OBI cases,no significant correlation between OBI and surgical outcomes was detected.

关键词： Occult hepatitis B virus infection(OBI) hepatocellular carcinoma(HCC) hepatitis C virus(HCV) surgery prognosis

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Comparison of temperature preference for habitat among three species of oceanic sea skaters,Halobates micans,*** and ***

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Natural Science 2013年第12期5卷 9-15页

作者： Mitsuru Nakajo Takero Sekimoto Kentaro Emi Ryuta ide Kai Wada takao Inoue Masatoshi Moku Vladimír Kostál Chihiro Katagiri Tetsuo Harada Laboratory of Environmental Physiology Graduate School of Integrated Arts and SciencesKochi UniversityKochiJapan Atmosphere and Ocean Research Institute The University of TokyoTokyoJapan Institute of Entomology Biology Center of the Academy of Sciences CRCeske BudejoviceCzech Republic Division of Life Science and Engineering School of Science and EngineeringTokyo Denki UniversityTokyoJapan

The main purpose of this study is to investigate temperature preference for habitat of three species of oceanic sea skaters, Halobates micans, H. germanus and H. sericeus. For each of the three species, we examined the relationship between population density and surface water and air temperatures in the sampling sites during three science cruises in the tropical to temperate zone of the Pacific Ocean. A higher density of H. micans was observed in sites with higher water and air temperatures at 28℃?- 30℃?than that at site with lower temperatures of 23℃?- 28℃. A higher density of H. germanus was observed in sites with extremely high temperatures of 29.6℃?and 30℃?than that in sites with moderately high temperatures of 28℃?- 29℃?in the Pacific Ocean, while a relatively high density was observed in sites with a wide range of temperatures from 24℃?- 30℃?in the southern hemisphere Pacific Ocean. The relatively low temperature preference of 23℃?- 28℃?exhibited by H. sericeus may be related to its size as the smallest among the three species and its relatively wide latitudinal distribution ranging up to 40?N.

关键词： Oceanic Sea Skaters Temperature Preference Latitudinal Distribution Pacific Ocean

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Inhibitory effects of carbon dioxide insufflation on pneumoperitoneum and bowel distension after percutaneous endoscopic gastrostomy

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World Journal of Gastroenterology 2012年第27期18卷 3565-3570页

作者： Shinji Nishiwaki Hiroshi Araki Motoshi Hayashi Jun Takada Masahide Iwashita Atsushi Tagami Hiroo Hatakeyama takao Hayashi Teruo Maeda Koshiro Saito Department of Internal Medicine Nishimino Kosei HospitalGifu 503-1394Japan Department of Gastroenterology Graduate School of MedicineGifu UniversityGifu 501-1194Japan

AIM:To evaluate the inhibitory effects of carbon dioxide (CO2) insufflation on pneumoperitoneum and bowel distension after percutaneous endoscopic gastrostomy (PEG).METHODS:A total of 73 consecutive patients who were undergoing PEG were enrolled in our *** eliminating 13 patients who fitted our exclusion criteria,60 patients were randomly assigned to either CO2 (30 patients) or air insufflation (30 patients) *** was performed by pull-through technique after threepoint fixation of the gastric wall to the abdominal wall using a gastropexy *** blood gas analysis was performed immediately before and after the *** X-ray was performed at 10 min and at 24 h after PEG to assess the extent of bowel *** computed tomography was performed at 24 h after the procedure to detect the presence of *** outcomes of PEG for 7 d postprocedure were also ***:Among 30 patients each for the air and the CO2 groups,PEG could not be conducted in 2 patients of the CO2 group,thus they were *** of the remaining 58 patients showed that the patients' backgrounds were not significantly different between the two *** elevation values of arterial partial pressure of CO2 in the air group and the CO2 group were 2.67 mmHg and 3.32 mmHg,respectively (P = 0.408).The evaluation of bowel distension on abdominal X ray revealed a significant decrease of small bowel distension in the CO2 group compared to the air group (P idered to be safer and more comfortable for PEG patients bec

关键词： Percutaneous endoscopic gastrostomy Car-bon dioxide insufflation Pneumoperitoneum Abdomi-nal distension Randomized control study

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