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Efficacy and Safety of Transanal Tube Drainage for Prevention of Anastomotic Leakage Following Laparoscopic Low Anterior Resection for Rectal Cancers 被引量:2
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作者 Yasutake Uchima Naoki Aomatsu +8 位作者 Hironari Miyamoto Takuma Okada Shigeaki Kurihara Toshiki Hirakawa Takehiko Iwauchi junya morimoto Shigehito Yamagata Kazunori Nakazawa Kazuhiro Takeuchi 《Journal of Cancer Therapy》 2018年第7期538-544,共7页
Introduction: Laparoscopic surgery is widely used for the treatment of colorectal cancer. But anastomotic leakage is one of the most serious complications following laparoscopic low anterior resection (LAR) for rectal... Introduction: Laparoscopic surgery is widely used for the treatment of colorectal cancer. But anastomotic leakage is one of the most serious complications following laparoscopic low anterior resection (LAR) for rectal cancer. The purpose of this study was to investigate whether transanal drainage tube placement can reduce anastomotic leakage and avoid re-operation after laparoscopic LAR. Methods: Retrospective assessment was performed on 143 patients with rectal cancers who underwent laparoscopic LAR between April 2009 and March 2016. A diverting stoma was not created in all 143 patients. A transanal drainage tube was placed after anastomosis using a double stapling technique, in 90 patients (group TT). In group TT, a 24 Fr. Silicon catheter was inserted into the anus and was placed approximately 20 - 25 cm in the descending colon. Another 53 patients were operated on without a transanal drainage tube (group NTT). Clinicopathological and operative variables, the frequencies of anastomotic leakage and re-operation after leakage were investigated. Results: Between the two groups (Group TT and NTT), age, gender, body mass index, tumor size, Dukes’ stage, the number of Liniar stapler firings for rectal transaction, and the rate of left colic artery preservation were comparable. Intra-operative blood loss and operation time decreased group TT from group NTT (p < 0.05). The frequency of leakage was 2.8% (2/69) in group TT and was 13.2% (7/53) in group NTT. The rate of leakage was significantly lower in group TT (p = 0.03). Furthermore, the re-operation rate for symptomatic anastomotic leakage was 0% (0/2) in group TT, while in contrast it was 28.5% (2/7) in group NTT. The rate of re-operation was lower in group TT than group NTT (p = 0.07) and all cases with symptomatic leakage in group TT were cured by conservative treatment. There was no side effect of transanal drainage tube (perforation or bleeding of the colon, or deviation of the tube) in Group TT. Conclusions: Transanal drainage tube placement prevents anastomotic leakage after laparoscopic LAR. We regard the transnanal drainage tube to be safe and effective without side effect. 展开更多
关键词 RECTAL Cancer ANASTOMOSIS LEAKAGE TRANSANAL Drainage TUBE
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Huge Sacrococcygeal Teratoma in an Adult Female: A Case Report
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作者 Yasutake Uchima Naoki Aomatsu +7 位作者 Takuma Okada Hironari Miyamoto Gen Tsujio Shigeaki Kurihara Toshiki Hirakawa Takehiko Iwauchi junya morimoto Kazuhiro Takeuchi 《Journal of Cancer Therapy》 2019年第3期197-202,共6页
Background: Teratomas are a type of germ cell tumor, which are mostly benign, and dominative in adult females. Sacococcygeal teratomas are usually found in newborns or children, and can be detected prenatally;they are... Background: Teratomas are a type of germ cell tumor, which are mostly benign, and dominative in adult females. Sacococcygeal teratomas are usually found in newborns or children, and can be detected prenatally;they are exceedingly rare in adults. We reported a case of a sacrococcygeal teratoma in adult female. Case presentation: A 26-year-old female was diagnosed with a presacral tumor 6 years ago. Pelvic computed tomography (CT) demonstrated a presacral heterogeneous tumor, containing multi-located cystic area and enhanced solid component with calcification. Magnetic resonance imaging (MRI) showed a presacral non-enhanced cystic lesion with solid component, 128 mm × 104 mm × 102 mm, which was suspected of having invaded the rectal wall, fifth sacral vertebra (S5), and coccyx. She underwent abdomino-sacral total excision of tumor with coccygectomy. Histopathological examination revealed a tumor with intricate admixture of ectodermal (epidermis, sebaceous glands and squamous), mesenchymal (cartilage, adipose tissue, blood vessels, nerves and skeletal muscle) and endodermal components (respiratory epithelium and intestinal epithelium) respectively. After 24 months of follow-up the patient was both clinically and radiologically disease free. Conclusions: Early complete excision was the preferred definitive modality of treatment for sacrococcygeal teratoma, and multi-staged excision and reconstruction resulted in successful and safe treatment in our case. 展开更多
关键词 SACROCOCCYGEAL TERATOMA ADULT SURGICAL TREATMENT
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Retrospective Analysis of S-1 plus Bevacizumab as Maintenance Therapy after Induction of S-1 and Oxaliplatin (SOX) plus Bevacizumab as First-Line Chemotherapy in Patients with Metastatic Colorectal Cancer
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作者 Yasutake Uchima Naoki Aomatsu +11 位作者 Gen Tsujio Takehiko Iwauchi Shinji Matsutani Hiroto Tanaka Hironari Miyamoto Takuma Okada Shigeaki Kurihara Toshiki Hirakawa Keiichiro Hirata junya morimoto Shigehito Yamagata Kazuhiro Takeuchi 《Journal of Cancer Therapy》 2020年第2期35-43,共9页
Background: The SOFT study was a phase III trial designed to validate the non-inferiority of S-1 and oxaliplatin (SOX) plus bevacizumab to mFOLFOX6 plus bevacizumab in terms of PFS in patients with metastatic colorect... Background: The SOFT study was a phase III trial designed to validate the non-inferiority of S-1 and oxaliplatin (SOX) plus bevacizumab to mFOLFOX6 plus bevacizumab in terms of PFS in patients with metastatic colorectal cancer (mCRC) who had not previously received chemotherapy. In this study, we retrospectively reviewed cases in which S-1 plus bevacizumab as maintenance therapy after induction of S-1 and Oxaliplatin (SOX) plus bevacizumab as first-line chemotherapy in patients with metastatic colorectal cancer was applied in order to evaluate its efficacy and safety in clinical practice. Material and method: Among the 40 patients with mCRC at the Fuchu Hospital who received SOX plus bevacizumab as a first line treatment between August 2013 and December 2018. The eligible patients had histologically confirmed mCRC. On day 1 of each 3-week period during the study, patients in the SOX plus bevacizumab received a 7.5 mg/kg intravenous infusion of bevacizumab, followed by an intravenous infusion of 130 mg/m2 oxaliplatin. S-1 (40 - 60 mg) was administered orally two times per day from after dinner on day 1 to after breakfast on day 15, followed by a 7-day rest. Results: The median PFS was 15.0 months and median OS was 36.0 months. The response rate (RR: complete pus partial response) was 85.0%, and the disease control rate (DCR: RR plus stable disease) was 92.5%. The most common adverse events with SOX plus bevacizumab were hypertension (50%), neurosensory toxicity (50%), anorexia (32.5%), fatigue (45%), pigmentation (39%), Neutrophil count decreased (30%), and platelet count decreased (40%). The most common grade 3/4 adverse events were neurosensory toxicity (5%) and fatigue (9%). Conclusion: This study revealed that the survival benefit of S-1 and oxaliplatin (SOX) plus bevacizumab in Japanese patients with mCRC was like that observed in previous clinical trials. Therefore, S-1 and oxaliplatin (SOX) plus bevacizumab can be considered as routine first-line treatment option for patients with mCRC. 展开更多
关键词 S-1 OXALIPLATIN BEVACIZUMAB Colorectal Cancer
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