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Vertical Migration and Horizontal Distribution of Chaoborus Larvae in Lake Fukami- ike, Japan
Nagano, Mariko,Tanaka, Masaaki,Yagi, Akihiko The Korean Society of Limnology 2005 생태와 환경 Vol.38 No.S
Diel vertical migration (DVM) and horizontal distribution of Chaoborus flavicans larvae were studied in Lake Fukami-ike (maximum depth 7.75 m, Central Japan). The larvae showed a clear migration in the 4 ${\sim}$ 7 m layer during the day and throughout the water column at night. It should be noted that, while old instar distributed throughout the column during the night. Young instar was found only in the 1 ${\sim}$ 4 m layer. An examination of horizontal distribution revealed that larval stage was clearly related with the depth. It suggests that Chaoborus appear to exist in the deeper area during the larval stage.
Seiji Isonishi,Masaaki Suzuki,Hiroaki Nagano,Koichiro Takagi,Masahito Shimauchi,Masakiyo Kawabata,Kazuhiko Ochiai 대한부인종양학회 2013 Journal of Gynecologic Oncology Vol.24 No.2
Objective: To test the concept of taxane sequencing, this feasibility trial evaluated maintenance of docetaxel after paclitaxel and carboplatin combination chemotherapy in patients with stage IC-IV ovarian cancer. Methods: All patients received debulking surgery followed by paclitaxel and carboplatin chemotherapy. Attainment of clinically defined complete or partial response was confirmed by image scanning. Maintenance of docetaxel started at an initial dose of 70 mg/m2 every 4 weeks for 6 cycles and was extended to 10 cycles unless disease progression and/or recurrence during the protocol therapy or unacceptable toxicities were seen. Results: Stage subsets in 20 eligible patients were as follows: IIIB, 2 patients (10%); IIIC, 13 patients (65%); IV, 5 patients (25%). Neutropenia was common (40% with grade 3 or 4) and was most frequent during first or second cycle although the disabling peripheral neuropathy was not observed. Twelve patients completed protocol therapy (6≤cycles), while 8 patients failed to complete 6-cycle chemotherapy, because of progressive disease (5 patients) or grade 4 toxicities (3 patients). Median PFS was 20 months and 3-year PFS rate was 12%. Median overall survival was 39 months and 3-year OS rate was 69%. Conclusion: Six cycles of single-agent docetaxel maintenance chemotherapy is feasible and generally tolerable to women with advanced ovarian cancer who attained a clinically defined response to initial paclitaxel and carboplatin based chemotherapy.
Outpatient Drainage Therapy with a Thoracic Vent for Traumatic Pneumothorax due to Bull Attack
Atsushi Sano,Takehiro Tsuchiya,Masaaki Nagano 대한흉부외과학회 2014 Journal of Chest Surgery (J Chest Surg) Vol.47 No.6
Outpatient drainage therapy is generally indicated for spontaneous pneumothoraces. A 63-year-old man, who had been attacked by a bull sustaining injuries on the right side of his chest, was referred to the emergency room with dyspnea. His chest X-ray showed a small pneumothorax. The next day, a chest X-ray demonstrated that his pneumothorax had worsened, although no hemothorax was identified. Outpatient drainage therapy with a thoracic vent was initiated. The air leak stopped on the third day and the thoracic vent was removed on the sixth day. Thoracic vents can be a useful modality for treating traumatic pneumothorax without hemothorax.