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204 results on '"Ito, Fumihiro"'

1. Prospective observational study on the relationships between genetic alterations and survival in Japanese patients with metastatic castration-sensitive prostate cancer: the impact of IDC-P

Author

Kato, Masashi, Sato, Hiroyuki, Naito, Yushi, Yamamoto, Akiyuki, Kawanishi, Hideji, Nakano, Yojiro, Nishikimi, Toshinori, Kobayashi, Masataka, Kondo, Atsuya, Hirabayashi, Hiroki, Katsuno, Satoshi, Sakamoto, Fumitoshi, Kimura, Tohru, Yamamoto, Shigeki, Araki, Hidemori, Tochigi, Kosuke, Ito, Fumihiro, Hatsuse, Hatsuro, Sassa, Naoto, Hirakawa, Akihiro, Akamatsu, Shusuke, and Tsuzuki, Toyonori

Published
2025
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3. Risk factors for discontinuation of exclusive breast feeding within 1month: a retrospective cohort study in Japan

Author

Yasuda, Shun, Fukuda, Toma, Toba, Naoya, Kamo, Norihito, Imaizumi, Karin, Yokochi, Midori, Okawara, Tomoko, Takano, Seiko, Yoshida, Hideko, Kobayashi, Nobuko, Kudo, Shingo, Miyazaki, Kyohei, Hosoya, Mamiko, Sato, Kenichi, Takano, Kei, Kanno, Aya, Murata, Tsuyoshi, Kyozuka, Hyo, Yamaguchi, Akiko, Ito, Fumihiro, Oda, Shinichiro, Momoi, Nobuo, Hosoya, Mitsuaki, and Fujimori, Keiya

Published
2022
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6. Predicting postpartum hemorrhage in women undergoing planned cesarean section: A multicenter retrospective cohort study in Japan.

Author

Yamaguchi, Tomoko, Kyozuka, Hyo, Ito, Momoka, Hiraiwa, Tsuyoshi, Murata, Tsuyoshi, Sugeno, Misa, Ito, Fumihiro, Suzuki, Daisuke, Fukuda, Toma, Yasuda, Shun, Keiya, Fujimori, and Nomura, Yasuhisa

Subjects
POSTPARTUM hemorrhage, PLACENTA praevia, BLOOD loss estimation, OBSTETRICS, MATERNAL age, CESAREAN section, LOGISTIC regression analysis
Abstract

Given Japan's unique social background, it is critical to understand the current risk factors for postpartum hemorrhage (PPH) to effectively manage the condition, especially among specific groups. Therefore, this study aimed to identify the current risk factors for PPH during planned cesarean section (CS) in Japan. This multicenter retrospective cohort study was conducted in two tertiary maternal-fetal medicine units in Fukushima, Japan and included 1,069 women who underwent planned CS between January 1, 2013, and December 31, 2022. Risk factors for PPH (of > 1000 g and > 1500 g) were assessed using multivariate logistic regression analysis, considering variables such as maternal age, parity, assisted reproductive technology (ART) pregnancy, pre-pregnancy body mass index (BMI), uterine myoma, placenta previa, gestational age at delivery, birth weight categories, and hypertensive disorders of pregnancy (HDP). Multivariate linear regression analyses were conducted to predict estimated blood loss during planned CS. ART pregnancy, a pre-pregnancy BMI of 25.0–29.9 kg/m2, and uterine myoma increased PPH risk at various levels. Maternal smoking increased the risk of >1500 g PPH (adjusted odds ratio: 3.09, 95% confidence interval [CI]: 1.16–8.20). Multivariate linear analysis showed that advanced maternal age (B: 83 g; 95% CI: 27–139 g), ART pregnancy (B: 239 g; 95% CI: 121–357 g), pre-pregnancy BMI of 25.0–29.9 kg/m2 (B: 74 g; 95% CI: 22–167 g), uterine myoma (B: 151 g; 95% CI: 47–256 g), smoking (B: 107 g; 95% CI: 13–200 g), and birth weight > 3,500 g (B: 203 g; 95% CI: 67–338 g) were associated with blood loss during planned CS. Considering a patient's clinical characteristic may help predict bleeding in planned CSs and help improve patient safety. [ABSTRACT FROM AUTHOR]

Published
2024
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7. Association between Gestational Weight Gain and Risk of Hypertensive Disorders of Pregnancy among Women with Obesity: A Multicenter Retrospective Cohort Study in Japan

Author

Ito, Momoka, primary, Kyozuka, Hyo, additional, Yamaguchi, Tomoko, additional, Sugeno, Misa, additional, Murata, Tsuyoshi, additional, Hiraiwa, Tsuyoshi, additional, Ito, Fumihiro, additional, Suzuki, Daisuke, additional, Fukuda, Toma, additional, Yasuda, Shun, additional, Fujimori, Keiya, additional, and Nomura, Yasuhisa, additional

Published
2023
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8. Predicting postpartum hemorrhage in women undergoing planned cesarean section: a multicenter retrospective cohort study in Japan

Author

Yamaguchi, Tomoko, primary, Kyozuka, Hyo, additional, Ito, Momoka, additional, Hiraiwa, Tsuyoshi, additional, Murata, Tsuyoshi, additional, Sugeno, Misa, additional, Ito, Fumihiro, additional, Suzuki, Daisuke, additional, Fukuda, Toma, additional, Yasuda, Shun, additional, Keiya, Fujimori, additional, and Nomura, Yasuhisa, additional

Published
2023
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9. Late-onset hypertensive disorders of pregnancy and red blood cell distribution width during late pregnancy among Japanese primipara: A nested case-control study

Author

Sugeno, Misa, primary, Kyozuka, Hyo, additional, Jin, Toki, additional, Ito, Fumihiro, additional, Suzuki, Daisuke, additional, Nomura, Yasuhisa, additional, Murata, Tsuyoshi, additional, Hiraiwa, Tsuyoshi, additional, Fukuda, Toma, additional, Yasuda, Shun, additional, Yamaguchi, Akiko, additional, and Fujimori, Keiya, additional

Published
2023
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10. Molecular basis of carotid body tumor and associated clinical features in Japan identified by genomic, immunohistochemical, and clinical analyses

Author

Yoshihama, Keisuke, primary, Mutai, Hideki, additional, Sekimizu, Mariko, additional, Ito, Fumihiro, additional, Saito, Shin, additional, Nakamura, Shintaro, additional, Mikoshiba, Takuya, additional, Nagai, Ryoto, additional, Takebayashi, Akiko, additional, Miya, Fuyuki, additional, Kosaki, Kenjiro, additional, Ozawa, Hiroyuki, additional, and Matsunaga, Tatsuo, additional

Published
2023
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14. Optimal gestational weight gain to reduce the risk of hypertension disorders of pregnancy among women with obesity: A single tertiary referral center study in Japan

Author

Sugeno, Misa, primary, Kyozuka, Hyo, additional, Murata, Tsuyoshi, additional, Hiraiwa, Tsuyoshi, additional, Jin, Toki, additional, Fujimori, Mimori, additional, Fukumoto, Yuki, additional, Ito, Fumihiro, additional, Suzuki, Daisuke, additional, Toma, Fukuda, additional, Yasuda, Shun, additional, Fujimori, Keiya, additional, and Nomura, Yasuhisa, additional

Published
2022
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15. Surgical Resection of Carotid Body Tumors: a 17-year Experience

Author

Ito, Fumihiro, primary, Yoshihama, Keisuke, additional, Mikoshiba, Takuya, additional, Nagai, Ryoto, additional, Nakamura, Shintaro, additional, Saito, Shin, additional, Ikari, Yuichi, additional, Nakahara, Nana, additional, Sekimizu, Mariko, additional, Tomita, Toshiki, additional, and Ozawa, Hiroyuki, additional

Published
2022
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16. Tubo-ovarian abscess in a patient with cri du chat syndrome: A case report

Author

Fujimori, Mimori, Kyozuka, Hyo, Sugeno, Misa, Jin, Toki, Ito, Fumihiro, Suzuki, Daisuke, Ishii, Tsutomu, Nomura, Yasuhisa, Fujimori, Mimori, Kyozuka, Hyo, Sugeno, Misa, Jin, Toki, Ito, Fumihiro, Suzuki, Daisuke, Ishii, Tsutomu, and Nomura, Yasuhisa

Abstract

type:Text, A tubo-ovarian abscess is an infection that occurs as a sequela of pelvic inflammatory disease. There is no reported association between a tubo-ovarian abscess and cri du chat syndrome in the medical literature. Herein, we report the case of a 44-year-old woman with cri du chat syndrome who was subsequently diagnosed with a tubo-ovarian abscess. After emergent laparotomy, simple total hysterectomy, and bilateral adnexectomy, the patient was discharged 13 days postoperatively without complications.

Published
2022

17. Introduction and utility of resuscitative endovascular balloon occlusion of the aorta for cases with a potential high risk of postpartum hemorrhage: A single tertiary care center experience of two cases

Author

Kyozuka, Hyo, Sugeno, Misa, Murata, Tsuyoshi, Jin, Toki, Ito, Fumihiro, Nomura, Yasuhisa, Hirano, Takaki, Shinohara, Kazuaki, Suzuki, Daisuke, Ishida, Tokiya, Kyozuka, Hyo, Sugeno, Misa, Murata, Tsuyoshi, Jin, Toki, Ito, Fumihiro, Nomura, Yasuhisa, Hirano, Takaki, Shinohara, Kazuaki, Suzuki, Daisuke, and Ishida, Tokiya

Abstract

type:Text, Postpartum hemorrhage is an important obstetric complication and the leading cause of maternal mortality worldwide. Occasionally, we encounter unexpected massive postpartum hemorrhage diagnosed for the first time after delivery. Therefore, it is essential to pay attention to patients with a high risk of postpartum hemorrhage. The authors report two cases of patients at high risk of postpartum hemorrhage that were successfully managed by resuscitative endovascular balloon occlusion of the aorta before cesarean section. Case 1: A 32-year-old woman with a history of cesarean section and who conceived using assisted reproductive technology was diagnosed with partial placenta previa at 25 weeks of gestation. Because of tocolysis failure, emergent cesarean section with resuscitative endovascular balloon occlusion of the aorta was performed at 36 weeks of gestation. Natural placental resorption was observed. She was discharged at 5 days after delivery without significant hemorrhage. Case 2: A 41-year-old woman with suspected placenta accreta spectrum due to a cesarean scar pregnancy was referred to our hospital at 33 weeks of gestation. A planned cesarean section with resuscitative endovascular balloon occlusion of the aorta was conducted at 37 weeks of gestation. There was no visual evidence of abnormal placental invasion of the myometrium, and natural placental resorption was observed. She was discharged at 5 days after delivery without significant hemorrhage.

Published
2022

18. A case of spontaneous parasitic myoma in a patient without a history of myomectomy treated laparoscopically

Author

Kyozuka, Hyo, Jin, Toki, Sugeno, Misa, Kuratsune, Katsunori, Ando, Hiroki, Ito, Fumihiro, Odajima, Hajime, Suzuki, Daisuke, Nomura, Yasuhisa, Kyozuka, Hyo, Jin, Toki, Sugeno, Misa, Kuratsune, Katsunori, Ando, Hiroki, Ito, Fumihiro, Odajima, Hajime, Suzuki, Daisuke, and Nomura, Yasuhisa

Abstract

type:Text, Parasitic myoma (PM) is a rare disease in which multiple leiomyomas are intraperitoneally formed. Recently, an increasing number of cases due to specimen morcellation during minimally invasive surgery has been reported. We present the first case of a PM identified intraoperatively during laparoscopic hysterectomy. A 40-year-old Japanese multiparous woman presented to our hospital with heavy menstrual bleeding. She had no history of previous surgery. Magnetic resonance imaging showed uterine myomas. As the patient did not wish for further pregnancy, she underwent oral gonadotropin-releasing hormone antagonist therapy followed by a total laparoscopic hysterectomy. Intraoperatively, we identified a thumb-sized tumor on the left side of the peritoneum. Histopathological examination showed evidence of benign leiomyoma.

Published
2022

25. Introduction and utility of resuscitative endovascular balloon occlusion of the aorta for cases with a potential high risk of postpartum hemorrhage: A single tertiary care center experience of two cases

Author

Kyozuka, Hyo, primary, Sugeno, Misa, additional, Murata, Tsuyoshi, additional, Jin, Toki, additional, Ito, Fumihiro, additional, Nomura, Yasuhisa, additional, Hirano, Takaki, additional, Shinohara, Kazuaki, additional, Suzuki, Daisuke, additional, and Ishida, Tokiya, additional

Published
2022
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28. Pregnancy complicated by central diabetes insipidus and oligohydramnios

Author

Imaizumi, Karin, primary, Yasuda, Shun, additional, Toba, Naoya, additional, Okazaki, Takayuki, additional, Fukuda, Toma, additional, Murata, Tsuyoshi, additional, Kann, Aya, additional, Ishibashi, Makiho, additional, Kyozuka, Hyo, additional, Ito, Fumihiro, additional, Yamaguchi, Akiko, additional, and Fujimori, Keiya, additional

Published
2021
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32. A Case of Sinonasal Teratocarcinosarcoma

Author

Ikari, Yuichi, primary, Ozawa, Hiroyuki, additional, Mikoshiba, Takuya, additional, Saito, Shin, additional, Nakahara, Nana, additional, Ito, Fumihiro, additional, Sekimizu, Mariko, additional, Kawaida, Miho, additional, Kameyama, Kaori, additional, Toda, Masahiro, additional, and Ogawa, Kaoru, additional

Published
2021
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34. Risk factors for discontinuation of exclusive breast feeding within 1-month: A retrospective cohort study

Author

Yasuda, Shun, primary, Fukuda, Toma, additional, Toba, Naoya, additional, Kamo, Norihito, additional, Imaizumi, Karin, additional, Yokochi, Midori, additional, Okawara, Tomoko, additional, Takano, Seiko, additional, Yoshida, Hideko, additional, Kobayashi, Nobuko, additional, Kudo, Shingo, additional, Miyazaki, Kyohei, additional, Hosoya, Mamiko, additional, Sato, Kenichi, additional, Takano, Kei, additional, Kanno, Aya, additional, Murata, Tsuyoshi, additional, Kyozuka, Hyo, additional, Yamaguchi, Akiko, additional, Ito, Fumihiro, additional, Oda, Shinichiro, additional, Momoi, Nobuo, additional, Hosoya, Mitsuaki, additional, and Fujimori, Keiya, additional

Published
2020
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37. Cyclo-oxygenase-2 Expression Is Associated With Lymph Node Metastasis in Oropharyngeal Squamous Cell Carcinoma Under the New TNM Classification

Author

SEKIMIZU, MARIKO, primary, OZAWA, HIROYUKI, additional, SAITO, SHIN, additional, IKARI, YUICHI, additional, NAKAHARA, NANA, additional, NAKAMURA, SHINTARO, additional, YOSHIHAMA, KEISUKE, additional, ITO, FUMIHIRO, additional, WATANABE, YOSHIHIRO, additional, IMANISHI, YORIHISA, additional, KAMEYAMA, KAORI, additional, and OGAWA, KAORU, additional

Published
2019
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43. Synovial sarcoma of the maxillary sinus: an extremely rare case with excellent response to chemotherapy

Author

Saito,Shin, Ozawa,Hiroyuki, Ikari,Yuuichi, Nakahara,Nana, Ito,Fumihiro, Sekimizu,Mariko, Fukada,Junichi, Kameyama,Kaori, and Ogawa,Kaoru

Subjects
OncoTargets and Therapy
Abstract

Shin Saito,1 Hiroyuki Ozawa,1 Yuuichi Ikari,1 Nana Nakahara,1 Fumihiro Ito,2 Mariko Sekimizu,1 Junichi Fukada,3 Kaori Kameyama,4 Kaoru Ogawa1 1Department of Otorhinolaryngology– Head and Neck Surgery, Keio University, School of Medicine, 2Department of Otorhinolaryngology– Head and Neck Surgery, NHO Tokyo Medical Center, 3Department of Radiology, 4Department of Pathology, Keio University, School of Medicine, Tokyo, Japan Abstract: This paper presents an extremely rare case of synovial sarcoma arising from the maxillary sinus, which resulted in a clinically complete response to chemotherapy. Synovial sarcoma is a rare soft tissue malignant tumor, most commonly affecting the extremities. While ~10% occur in the head and neck region, synovial sarcoma of the sinonasal tract is extremely rare, with only 11 cases having been reported previously. As with other sarcomas, the standard treatment is complete resection while allowing for a safe margin, but this is often difficult in the head and neck area due to the complicated anatomy there. This makes the treatment of head and neck sarcoma challenging and leads to the need for a multimodal approach in advanced cases. However, the exact efficacy of chemotherapy is not well understood. In this report, we present a case of unresectable maxillary sinus synovial sarcoma that was successfully treated by chemotherapy followed by radiation therapy. A 53-year-old Japanese man was referred to our hospital with a history of left nose obstruction over the previous couple of years. Computed tomography/magnetic resonance imaging revealed a tumor arising from the maxillary sinus that extended to adjacent tissues. A biopsy was performed, and the tumor was diagnosed as synovial sarcoma. Since the tumor was unresectable, neoadjuvant chemotherapy was administered. The response was excellent, and the tumor became undetectable under endoscopy and radiological imaging. This provided us with a clinical evaluation of “complete response”. The treatment was concluded with definitive radiotherapy and two more cycles of adjuvant chemotherapy. The patient remains free of disease 12months after treatment. Synovial sarcoma of the head and neck is a rare entity; complete resection is the treatment of choice but (neo)adjuvant chemotherapy can be considered in unresectable cases, as we show here in the present case. Keywords: sinonasal synovial sarcoma, adjuvant chemotherapy, synovial sarcoma, ifosfamide, pirarubicin&nbsp

Published
2018

44. Effectiveness of Endoscopic Optic Nerve Decompression Surgery for Traumatic Optic Neuropathy with Optic Nerve Canal Fracture

Author

Ikari, Yuichi, primary, Ozawa, Hiroyuki, additional, Yoshihama, Keisuke, additional, Saito, Shin, additional, Nakahara, NaNa, additional, Ito, Fumihiro, additional, Hiraga, Yoshihiko, additional, Watanabe, Yoshihiro, additional, Sekimizu, Mariko, additional, Sato, Yoichiro, additional, Tomita, Toshiki, additional, Ohta, Yu, additional, Kamamoto, Dai, additional, Toda, Masahiro, additional, and Ogawa, Kaoru, additional

Published
2018
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47. Surgical outcomes of total laparoscopic hysterectomy with 2-dimensional versus 3-dimensional laparoscopic surgical systems

Author

Yazawa, Hiroyuki, Takiguchi, Kaoru, Imaizumi, Karin, Wada, Marina, Ito, Fumihiro, Yazawa, Hiroyuki, Takiguchi, Kaoru, Imaizumi, Karin, Wada, Marina, and Ito, Fumihiro

Abstract

type:Text, Three-dimensional (3D) laparoscopic surgical systems have been developed to account for the lack of depth perception, a known disadvantage of conventional 2-dimensional (2D) laparoscopy. In this study, we retrospectively compared the outcomes of total laparoscopic hysterectomy (TLH) with 3D versus conventional 2D laparoscopy. From November 2014, when we began using a 3D laparoscopic system at our hospital, to December 2015, 47 TLH procedures were performed using a 3D laparoscopic system (3D-TLH). The outcomes of 3D-TLH were compared with the outcomes of TLH using the conventional 2D laparoscopic system (2D-TLH) performed just before the introduction of the 3D system. The 3D-TLH group had a statistically significantly shorter mean operative time than the 2D-TLH group (119±20 vs. 137±20 min), whereas the mean weight of the resected uterus and mean intraoperative blood loss were not statistically different. When we compared the outcomes for 20 cases in each group, using the same energy sealing device in a short period of time, only mean operative time was statistically different between the 3D-TLH and 2D-TLH groups (113±19 vs. 133±21 min). During the observation period, there was one occurrence of postoperative peritonitis in the 2D-TLH group and one occurrence of vaginal cuff dehiscence in each group, which was not statistically different. The surgeon and assistant surgeons did not report any symptoms attributable to the 3D imaging system such as dizziness, eyestrain, nausea, and headache. Therefore, we conclude that the 3D laparoscopic system could be used safely and efficiently for TLH.

Published
2018

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