- 著者
- Shigeki Kimura Ami Isshiki Masato Shimizu Hiroyuki Fujii Makoto Suzuki
- 出版者
- The Japanese Circulation Society
- 雑誌
- Circulation Journal (ISSN:13469843)
- 巻号頁・発行日
- pp.CJ-23-0031, (Released:2023-05-12)
- 参考文献数
- 37
Background: Coronary healed plaques (HPs) reportedly have high vulnerability or show advanced atherosclerosis and a risk of rapid plaque progression. However, the prognosis of stable angina pectoris (SAP) patients with HPs undergoing percutaneous coronary intervention (PCI) remains under-investigated.Methods and Results: We analyzed 417 consecutive lesions from SAP patients undergoing pre- and post-intervention optical coherence tomography (OCT) for which HPs were defined as having a layered appearance. We investigated the differences in clinical and lesion characteristics, and post-PCI outcomes between HPs and non-HPs. To account for differences in clinical characteristics, propensity score matching was performed between the groups. HPs were observed in 216 lesions (51.8%) in the total cohort. In the propensity-matched cohort (n=294), HPs had higher rates of angiographic-B2/C lesions (77.6% vs. 59.2%, P<0.001), OCT-lipid-rich plaques (40.8% vs. 25.9%, P=0.007), macrophages (78.2% vs. 44.2%, P<0.001), greater luminal area stenosis (73.5±11.0% vs. 71.5±10.3%, P=0.002), and a higher prevalence of post-stenting irregular tissue protrusion (45.1% vs. 14.7%, P<0.001) than non-HPs. In the total cohort, target lesion revascularization (TLR)-free survival was poorer for HPs (log-rank test 7.66; P=0.006), and Cox proportional hazards analysis showed HP as an independent predictor of TLR (hazard ratio, 5.98; 95% confidence interval, 1.72–20.82; P=0.005).Conclusions: In SAP patients, HPs had greater complexity of lesions and higher vulnerability, which may have contributed to the poorer post-PCI outcomes.
- 著者
- Masato SHIMIZU
- 出版者
- The Association of Japanese Geographers
- 雑誌
- Geographical review of Japan, Series B (ISSN:02896001)
- 巻号頁・発行日
- vol.68, no.2, pp.166-184, 1995-12-31 (Released:2008-12-25)
- 参考文献数
- 57
- 被引用文献数
- 3 2
Recent increase of newly-incoming foreign population has called attention to the issues of foreigners' living environment in the Tokyo metropolitan area. In order to obtain an empirical perspective on residential and social environments of foreign new comers in Tokyo, spatial relocation and selected friendship pattern of overstay foreign workers in the inner area Tokyo were examined. Data collected through a questionnaire survey suggested firstly that residential relocation patterns of the survey respondents was conditioned largely by such intertwining factors as the extent of cohesive ethnic network, degrees of individual adjustment, potential job opportunities and politico-economic marginal status. While ethnic information network was apparently the dominant influence on spatial structure of their movements, the latter two components functioned as deeper-rooted structural determinants of potential field of migration. In regard to the pattern of their social interaction, cohesive ethnic networks were identified; they were not necessarily confined to local neighborhoods but rather extended spatially, even though the intensity of association is substantially conditioned by spatial distance between individuals. For an understanding of such network type ethnic communities, elaborations of “classical” normative expectations, which are predicated a conceptual foundation that simply correlates social and spatial distances, seem to be integral to an analtical framework of ethnic segregation in Tokyo.