Journal of the Anus, Rectum and Colon
Online ISSN : 2432-3853
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Volume 2 , Issue 1
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ORIGINAL RESEARCH ARTICLE
  • Shoichi Fujii, Mitsuo Tsukamoto, Ryu Shimada, Koichi Okamoto, Tamuro H ...
    Volume 2 (2018) Issue 1 Pages 1-8
    Released: March 09, 2018
    JOURNALS FREE ACCESS

    Objectives: The protective efficacy of an absorptive adhesion prevention product (Seprafilm®) against bowel obstruction (BO) during open surgery was demonstrated in a large-scale randomized controlled clinical trial in Europe and America. However, the efficacy of Seprafilm against BO in laparoscopic surgery remains uncertain. The objective of this study was to clarify the protective efficacy of Seprafilm against BO after laparoscopic surgery for colorectal cancer. Methods: From 2009 to 2016, 1328 laparoscopic colorectal resections were performed for colorectal cancer. From 2009, Seprafilm was used for preventing BO in laparoscopic colorectal surgery. The incidence of BO and short-term results were compared between the Seprafilm and non-Seprafilm groups after propensity score matching. Results: Propensity scoring generated 270 matched patients per group for the comparisons between the Seprafilm and non-Seprafilm groups. The two groups showed no significant differences regarding patients' backgrounds. Among all patients, 73.1% (19/26) of BO occurred within 30 days after the surgery. Significantly lower incidences of all grade (2.6% vs. 7.0%; p = 0.016) and grade 2 + 3a (1.5% vs. 5.2%; p = 0.017) BO were observed in the Seprafilm group than in the non-Seprafilm group; no significant difference regarding grade 3b BO (1.1% vs. 1.9%; p = 0.476) was found. A significant difference in BO within 30 days was also noted between the two groups (1.9% vs. 5.2%, p = 0.036). There were no significant differences between the groups regarding anastomotic leakage and deep surgical site infection. Conclusions: Seprafilm was useful for preventing BO, requiring decompression therapy of the bowel, after laparoscopic colorectal surgery without increasing adverse events.

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  • Hiroki Matsuoka, Motoi Uchino, Yuki Horio, Hirofumi Sasaki, Teruhiro C ...
    Volume 2 (2018) Issue 1 Pages 9-15
    Released: March 09, 2018
    JOURNALS FREE ACCESS

    Objectives: Hange-Shashin-To (HST), which is a combination of seven herbs, has previously been used in the treatment of inflammatory or ulcerative gut disease. The aim of this study was to evaluate the safety and efficacy of HST for the treatment of chronic pouchitis. Methods: Nineteen patients with chronic pouchitis, defined as either frequent episodes (≥ three episodes per six months) of pouchitis or persistent symptoms that required continuous antibiotic therapies, were selected and treated with ciprofloxacin (CPFX) 600 mg/day for 2 weeks (week 0~2) and HST 3,750 mg/day for 32 weeks (week 0~32). The Pouchitis Disease Activity Index (PDAI) score was measured at week 0 and 6 for short-term evaluation. For long-term evaluation, total CPFX dose in the 26-week period prior to study entry (from 30 weeks before study entry to 5 weeks before study entry) was compared with the total CPFX dose during the 26-week study period (week 7~32). Although no concomitant administration of CPFX was permitted from week 2-6, patients whose condition deteriorated were prescribed CPFX from week 7 to week 32. Results: Fourteen patients completed this 32-week study. The PDAI scores of eight patients decreased below seven. The mean total PDAI scores decreased significantly from 11 ± 2.5 to 6.5 ± 2.5 (P < 0.001). The mean value of total CPFX dose decreased significantly from 491.6 ± 182.4 mg/kg to 392.5 ± 184.0 mg/kg (P < 0.05). No severe adverse events were noted. Conclusions: Our data suggest that HST has a positive effect on chronic pouchitis with no adverse effects.

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  • Toshiki Mukai, Keisuke Uehara, Toshisada Aiba, Hayato Nakamura, Tomoki ...
    Volume 2 (2018) Issue 1 Pages 16-24
    Released: March 09, 2018
    JOURNALS FREE ACCESS

    Objectives: The purpose of this study is to summarize our short- and long-term treatment results for stage IV colorectal cancer (CRC) and to clarify the factors predicting the favorable long-term survival. Methods: Between January 2008 and December 2015, 149 consecutive patients with stage IV CRC underwent initial treatment at Nagoya University Hospital. Their clinical and pathological characteristics, the treatment methods used, and the outcomes were retrospectively analyzed. Results: The median observation period was 23 months. All of the primary and metastatic lesions were technically resectable in 74 patients; however, the remaining 75 were judged as initially unresectable. R0/1 resection during the treatment course was achieved in 74 patients (50%). For the cohort as a whole, the 5-year overall survival (OS) rate was 35%. The 5-year OS rate in the R0/1 resection group was 57%, which was significantly better than that of the non-R0/1 resection group (6%, p < 0.001). In the R0/1 resection group, perioperative chemotherapy significantly improved the outcome (5-year OS; 62% vs. 0%, p = 0.03). In the non-R0/1 resection group, primary tumor resection was associated with a significantly higher favorable prognosis (3-year OS; 20.4% vs. 0%, p = 0.026). Moreover, the additional use of molecular targeted drugs significantly improved the survival. In multivariate analysis, the differentiated histologic type, R0/1 resection, and parallel use of molecular targeted drugs remained independent factors of a favorable outcome. Conclusions: The present study suggested that aggressive curative resection with perioperative chemotherapy might improve survival and that primary tumor resection might improve the outcome in the non-R0/1 group.

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  • Gaku Ohira, Hideaki Miyauchi, Koichi Hayano, Akiko Kagaya, Shunsuke Im ...
    Volume 2 (2018) Issue 1 Pages 25-30
    Released: March 09, 2018
    JOURNALS FREE ACCESS

    There are several reports on the usefulness of diverting ileostomy for decreasing the incidence of anastomotic leakage and the severity of pelvic peritonitis. However, a number of complications induced by ileostomy itself have also been reported, including a special condition induced by obstruction at the outlet of the stoma known as "outlet obstruction." In this study, we examined the frequency and risk factors of this complication based on the data of ileostomy cases in our institution. Methods: One hundred and seven patients who received ileostomy creation at our department from January 2010 to December 2015 were included. The incidence of outlet obstruction and risk factors were analyzed. Results: Outlet obstruction occurred in 18 cases (16.8%). The incidence was significantly higher in total colectomy or proctocolectomy cases as well as in those with left side construction and laparoscopic surgery than in other patients in a univariate analysis. However, in a multivariate analysis, no risk factors were extracted. Conclusions: To determine the true cause of this disease, a prospective study with a large number of cases is needed. Since multiple terms are used for this condition, resulting in confusion, a consensus on the appropriate terms is also important.

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CASE REPORT
  • Takayuki Toyonaga, Hiromitsu Matsuda, Ryuichi Mibu, Yohei Tominaga, Ke ...
    Volume 2 (2018) Issue 1 Pages 31-35
    Released: March 09, 2018
    JOURNALS FREE ACCESS

    Anal canal duplication (ACD) is a rare congenital malformation, usually detected early in life. We report a case of a 67-year-old female with symptomatic ACD associated with a presacral cyst. Physical examination revealed an accessory opening located in the midline, posterior to the true anus. Imaging examinations, including fistulography, endoanal ultrasonography, and magnetic resonance imaging, revealed a blind-ending fistulous tract without connecting with the rectum and a presacral cyst posterior to the rectum. Complete surgical excision of the tract with cyst was performed through a posterior sagittal approach. Histologic examination revealed squamous epithelium lining and smooth muscle bundles, thereby confirming ACD. The postoperative course was uneventful, and the patient was doing well; no recurrence was observed 4 years after surgery. ACD can present for the first time in infants, children, and adults. Imaging examinations are useful for the diagnosis and preoperative assessment of ACD. Therefore, ACD should be considered in the differential diagnosis, even in adults, when a posterior perineal orifice is encountered, particularly in female patients. Once ACD is suspected, intense imaging inspection is recommended to visualize the ACD and associated anomalies, and surgical removal is warranted to prevent inflammatory complications or malignant changes.

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