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Ishii, Naohiro,Oji, Tomito,Kishi, Kazuo Korean Society of Plastic and Reconstructive Surge 2017 Archives of Plastic Surgery Vol.44 No.4
We present the case of a patient with severe postoperative scarring from surgical treatment for gastroschisis, with the intestine located immediately under the dermal scar. Although many patients are unsatisfied with the results of scar repair treatment, few reports exist regarding severe or difficult cases involving the surgical repair of postoperative scar contracture. We achieved an excellent result via simulation involving graph paper drawings that were generated using computed tomography images as a reference, followed by dermal scar deepithelialization. The strategy described here may be useful for other cases of severe postoperative scar contracture after primary surgery for gastroschisis.
Microsurgical Training using Reusable Human Vessels from Discarded Tissues in Lymph Node Dissection
Ishii, Naohiro,Kiuchi, Tomoki,Oji, Tomito,Kishi, Kazuo Korean Society of Plastic and Reconstructive Surge 2016 Archives of Plastic Surgery Vol.43 No.6
The use of human vessels at the beginning of microsurgery training is highly recommended. But vessels with the appropriate length for training are not often obtained. Whether these vessels may be reused for training has not been reported. Accordingly, we harvested vessels from discarded tissues in lymph node dissection and demonstrated that vascular anastomosis training using the same human vessels several times is possible by placing the vessels in a freezer and defrosting them with hot water. Vascular walls can be stored for microsurgical training until about 4 years after harvest, as shown in the gross appearance and histologic findings of our preserved vessels. We recommend the technique presented here for the long-term reuse of human vessels for microsurgery training that closely resembles real procedures.
Naohiro Ishii,Tomito Oji,Kazuo Kishi 대한성형외과학회 2017 Archives of Plastic Surgery Vol.44 No.4
We present the case of a patient with severe postoperative scarring from surgical treatment for gastroschisis, with the intestine located immediately under the dermal scar. Although many patients are unsatisfied with the results of scar repair treatment, few reports exist regarding severe or difficult cases involving the surgical repair of postoperative scar contracture. We achieved an excellent result via simulation involving graph paper drawings that were generated using computed tomography images as a reference, followed by dermal scar deepithelialization. The strategy described here may be useful for other cases of severe postoperative scar contracture after primary surgery for gastroschisis.
Microsurgical Training using Reusable Human Vessels from Discarded Tissues in Lymph Node Dissection
Naohiro Ishii,Tomoki Kiuchi,Tomito Oji,Kazuo Kishi 대한성형외과학회 2016 Archives of Plastic Surgery Vol.43 No.6
The use of human vessels at the beginning of microsurgery training is highly recommended. But vessels with the appropriate length for training are not often obtained. Whether these vessels may be reused for training has not been reported. Accordingly, we harvested vessels from discarded tissues in lymph node dissection and demonstrated that vascular anastomosis training using the same human vessels several times is possible by placing the vessels in a freezer and defrosting them with hot water. Vascular walls can be stored for microsurgical training until about 4 years after harvest, as shown in the gross appearance and histologic findings of our preserved vessels. We recommend the technique presented here for the longterm reuse of human vessels for microsurgery training that closely resembles real procedures.
Masaru Tateno,Yukie Tateno,Chikara Kamikobe,Ryunosuke Monden,Oji Sakaoka,Junichiro Kanazawa,Takahiro A. Kato,Takuya Saito 대한소아청소년정신의학회 2018 소아청소년정신의학 Vol.29 No.3
Objectives: Previous studies have reported that internet addiction (IA) is associated with attention-deficit/hyperactivity disorder (ADHD) consistently. However, in terms of gender, there are controversial findings. We aimed to investigate the relation between IA and self-acknowledged ADHD traits among female college students in Japan. Methods: The study questionnaire consisted of questions about demographics, Adult ADHD Self-Report Scale-V1.1 Part A (ADHD screener) and Young’s Internet Addiction Test (IAT). When four or more items are more frequent than the cut-off on ADHD screener, the subject was categorized into students with a positive ADHD screen. We defined students with total IAT score of 70 and higher as IA. Results: A total number of respondents was 369 (mean age: 19.0±0.7 years). Seventy-seven subjects were screened positive on ADHD screener (20.9%). Students with a positive ADHD screen scored significantly higher on the IAT (54.2±14.2 vs. 42.5±11.3). The rates of IA in students with and without a positive ADHD screen were 18.2% and 1.0%, respectively. Conclusion: Results of this study demonstrated the relation between IA and self-evaluated ADHD traits among female college students in Japan. Appropriate education for students on how to use the internet properly will be necessary to prevent IA.
Nemanja D. Bani c,Biljana F. Abramovi c,Jugoslav B. Krsti c,Daniela V. Šoji c Merkulov,Nina L. Fin9cur,Miodrag N. Mitri c 한국공업화학회 2019 Journal of Industrial and Engineering Chemistry Vol.70 No.-
This work presents the characterization of novel synthesized WO3/Fe3O4 catalysts and investigates theirphotocatalytic activity for thiacloprid decomposition under UV and simulated sunlight radiation. FourWO3/Fe3O4 nanopowders with different amounts of WO3 were synthesized by chemical co-precipitationmethod. XRD analysis showed the presence of hematite and magnetite nano-dimensional phases ofFe3O4 in the catalysts. The magnetite phase content increased with increasing WO3 content. Degradationefficiency of thiacloprid in the presence of 6.1WO3/Fe3O4/H2O2 under simulated solar radiation was 2.2times higher compared to Fe3O4. Under an external magneticfield, a significant increase in the catalystsseparation from reaction mixture was observed.