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Kazuya Kariyama,Kazuhiro Nouso,Atsushi Hiraoka,Hidenori Toyoda,Toshifumi Tada,Kunihiko Tsuji,Toru Ishikawa,Takeshi Hatanaka,Ei Itobayashi,Koichi Takaguchi,Akemi Tsutsui,Atsushi Naganuma,Satoshi Yasuda 대한간암학회 2024 대한간암학회지 Vol.24 No.1
Background/Aim: The aim of this study was to compare the therapeutic efficacy of ablation and surgery in solitary hepatocellular carcinoma (HCC) measuring ≤5 cm with a large HCC cohort database. Methods: The study included consecutive 2,067 patients with solitary HCC who were treated with either ablation (n=1,248) or surgery (n=819). Th e patients were divided into three groups based on the tumor size and compared the outcomes of the two therapies using propensity score matching. Results: No significant difference in recurrence-free survival (RFS) or overall survival (OS) was found between surgery and ablation groups for tumors measuring ≤2 cm or >2 cm but ≤3 cm. For tumors measuring >3 cm but ≤5 cm, RFS was significantly better with surgery than with ablation (3.6 and 2.0 years, respectively, P=0.0297). However, no significant difference in OS was found between surgery and ablation in this group (6.7 and 6.0 years, respectively, P=0.668). Conclusion: The study suggests that surgery and ablation can be equally used as a treatment for solitary HCC no more than 3 cm in diameter. For HCCs measuring 3-5 cm, the OS was not different between therapies; thus, ablation and less invasive therapy can be considered a treatment option; however, special caution should be taken to prevent recurrence.
Cardiac Rehabilitation Increases Exercise Capacity with a Reduction of Oxidative Stress
Taira Fukuda,Miwa Kurano,Kazuya Fukumura,Tomohiro Yasuda,Haruko Iida,Toshihiro Morita,Yumiko Yamamoto,Nami Takano,Issei Komuro,Toshiaki Nakajima 대한심장학회 2013 Korean Circulation Journal Vol.43 No.7
Background and Objectives: Reactive oxygen species (ROS) mediate various signaling pathways that underlie vascular inflammation in atherogenesis and cardiovascular diseases. Cardiac rehabilitation (CR) has a variety of multiple beneficial effects, including anti-inflam -matory effects. The purpose of the present study was to investigate the effects of CR on ROS in patients with cardiovascular diseases. Subjects and Methods: The serum level of derivatives of reactive oxidative metabolites, an index of oxidative stress, was measured in 100 patients with cardiovascular diseases before, and, subsequently, 3 and 6 months after, CR. A biological antioxidant potential (BAP) test was applied to assess the antioxidant power of the serum. Results: The resting reactive oxidative metabolite levels decreased 3-6 months after CR {pre: 351±97 Carratelli unit (CARR U), 3 months:329±77 CARR U, 6 months: 325±63 CARR U, all p<0.01} with the increase of the percentage of the predicted values of V˙O 2 peak and the percentage of the predicted values of V˙O 2 at the anaerobic threshold (V˙O 2 AT ) and the decrease of the B-type natriuretic peptide (BNP). The BAP test and antioxidative/oxidative stress ratio increased 6 months after CR. The % changes of the antioxidative/oxidative stress ratio was positively correlated with the % changes of V˙O 2 AT , and negatively correlated with the % changes of the BNP. Conclusion: These results suggest that intensive supervised CR significantly improved exercise capacity, which may be attributable to an adaptive response involving more efficient oxidative metabolites or the increased capacity of endogenous anti-oxidative systems in pa -tients with cardiovascular diseases.