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Yasuyuki Maekawa,Shosuke Miyamoto,Koichi Sawai,Yoshiaki Shibagaki,Toru Sato,Mamoru Yamamoto,Hiroyuki Hashiguchi,Shoichiro Fukao 제어로봇시스템학회 2009 제어로봇시스템학회 국제학술대회 논문집 Vol.2009 No.8
Rain attenuation characteristics of the Ku-band up-link satellite signals are presented for the past four years of 2003-2006 in Japan and Indonesia, using Japan’ domestic communication satellite Superbird C that connects Research Institute for Sustainable Humanosphere of Kyoto University (RISH) to Equatorial Atmosphere Radar Observatory (EAR). Compared with the rainfall rates with the same time percentages, equivalent path lengths of the satellite signal against the rain area are shown to be reduced down to 2 km at EAR, which is remarkably shorter than those at RISH in Japan. The almost same attenuation values and annual statistics are, however, obtained from the X-band radar observations simultaneously conducted at EAR. This suggests that long-term radar observations of convective clouds are effective to estimate rain attenuation statistics of the satellite signals in the tropical regions.
( Mayumi Toyama ),( Yasuyuki Okuma ),( Mitsutoshi Yamamoto ),( Kenichi Kashihara ),( Kazuto Yoshda ),( Hidemoto Saiki ),( Tetsuya Maeda ),( Yoshio Tsuboi ),( Takeo Nakayama ) 대한내과학회 2014 대한내과학회 추계학술대회 Vol.2014 No.1
Background: Parkinson`s disease (PD) is increasingly recognized as multidimensional disorder. In addition to classic motor symptoms, patients have a variety of non-motor symptoms (NMS) that substantially affect quality of life (QoL). However, the prevalence of NMS and the relative impact of non-motor symptoms on QoL in PD have not been well documented in Japanese PD patients. In this study, we have the following objectives: 1) To determine the prevalence of NMS in Japanese PD patients. 2) To study the impact of NMS on the QoL in Japanese PD patients. Methods: This was a multi-center cross-sectional epidemiologic study. We recruited outpatients from seven Neurology departments at general hospitals across Japan between October 2010 and September 2011. A total of 824 Japanese PD patients was included in this study. NMS of patients was evaluated by Non-Motor Symptoms Scale (NMSS). Parkinson`s Disease Questionnaire-39 (PDQ-39) was used to evaluate the QoL of PD patients. Multivariate analyses were used to evaluate the direct impact of NMSs on QoL using PDQ-39, after adjusting for age, sex, disease duration, and the Unifi ed Parkinson`s Disease Rating Scale (UPDRS) Part I, Part II, Part III and Part IV. Results: The mean of total NMSS score was 37.4±35.4. The highly prevalent NMSS domains were sleep/fatigue (87.6%) and urinary (86.1%). The highly prevalent NMSS items were nocturia (72.0%) and constipation (71.6%). In multivariate analyses after adjustment for age, sex, disease duration, UPDRS Part I, Part II, Part III, and Part IV, total score of NMSS has statistical signifi cance with PDQ-39 (p=0.00, ß=0.16, Adj-R squared=0.65). Conclusions: NMS were highly prevalent in Japanese PD patients. NMS have a direct negative impact on QoL in Japanese PD patients.
The role of lymphatic interventional radiology for postoperative lymphorrhea
Shuji Kariya,Shintaro Yamamoto,Miyuki Nakatani,Yasuyuki Ono,Takuji Maruyama,Noboru Tanigawa 소화기인터벤션의학회 2022 Gastrointestinal Intervention Vol.11 No.4
Lymphorrhea after gastrointestinal surgery may be treated conservatively or surgically, and treatment by lymphatic interventional radiology has also recently come into use. From pedal lymphangiography, intranodal lymphangiography was widely adopted, enabling the site of lymphorrhea to be identified and its approach to be planned, and embolization for lymphorrhea is now becoming feasible in an increasing number of patients. Even for patients in whom embolization is infeasible, identifying the site of leakage and providing the surgeon with this information is useful. Although this technique is still under development, interventional radiologists are now able to play a role in the treatment of lymphorrhea. Herein, we discuss lymphatic interventional radiology for lymphorrhea following gastrointestinal surgery.
The role of lymphatic interventional radiology for postoperative lymphorrhea
Shuji Kariya,Shintaro Yamamoto,Miyuki Nakatani,Yasuyuki Ono,Takuji Maruyama,Noboru Tanigawa 소화기인터벤션의학회 2022 International journal of gastrointestinal interven Vol.11 No.4
Lymphorrhea after gastrointestinal surgery may be treated conservatively or surgically, and treatment by lymphatic interventional radiology has also recently come into use. From pedal lymphangiography, intranodal lymphangiography was widely adopted, enabling the site of lymphorrhea to be identified and its approach to be planned, and embolization for lymphorrhea is now becoming feasible in an increasing number of patients. Even for patients in whom embolization is infeasible, identifying the site of leakage and providing the surgeon with this information is useful. Although this technique is still under development, interventional radiologists are now able to play a role in the treatment of lymphorrhea. Herein, we discuss lymphatic interventional radiology for lymphorrhea following gastrointestinal surgery.
Seiya Oga,Masahiro Hachisuga,Nobuhiro Hidaka,Yasuyuki Fujita,Hiroshi Tomonobe,Hidetaka Yamamoto,Kiyoko Kato 대한산부인과학회 2019 Obstetrics & Gynecology Science Vol.62 No.5
Gastric cancer involving the placenta during pregnancy is rare; however, we present 1 such case in this report. A31-year-old Japanese woman was referred at 26 weeks of gestation for the evaluation of a swollen left supraclavicularlymph node. Biopsy revealed poorly differentiated adenocarcinoma, and esophagogastroduodenoscopy with biopsyof the stomach confirmed the diagnosis of gastric cancer. Her epigastric and back pain became more pronouncedand her general status worsened, and we performed a cesarean delivery at 29 weeks. Microscopic examination ofthe placental specimen revealed poorly differentiated adenocarcinoma cells diffused into the intervillous space. Postpartum chemotherapy consisted of S-1 plus oxaliplatin. Unfortunately, this treatment was ineffective, and thepatient died 3 months after delivery. The infant did well, without clinical or laboratory manifestations of metastasis. In patients with advanced gastric cancer during pregnancy, it is important to perform a microscopic examination ofthe placenta to evaluate for metastatic involvement.