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Background Daikenchuto (TJ-100), a traditional Japanese herbal medicine, is widely used in Japan. Its effects on gastrointestinal motility and microcirculation and its anti-inflammatory effect are known. The purpose of this prospective randomized controlled trial was to investigate the effect of TJ-100 after esophagectomy in esophageal cancer patients. Methods Forty patients for whom subtotal esophageal resection for esophageal cancer was planned at our institute from March 2011 to August 2013 were enrolled and divided into two groups at the point of determination of the operation schedule after informed consent was obtained: a TJ-100 (15 g/day)-treated group (n = 20) and a control group (n = 20). The primary efficacy end-points were maintenance of the nutrition condition and the recovery of gastrointestinal function. The secondary efficacy end-points were the serum C-reactive protein (CRP) level and adrenomedullin level during the postoperative course, the incidence of postoperative complications, and the length of hospital stay after surgery. Results We examined 39 patients because one patient in the TJ-100 group was judged as having unresectable cancer after surgery. The mean age of the TJ-100 group patients was significantly older than that of the control group patients.The rate of body weight decrease at postoperative day 21 was significantly suppressed in the TJ-100 group (3.6% vs. the control group: 7.0%, p = 0.014), but the serum albumin level was not significantly different between the groups. The recovery of gastrointestinal function regarding flatus, defecation, and oral intake showed no significant between-group differences, but postoperative bowel symptoms tended to be rare in the TJ-100 group. There was no significant between-group difference in the length of hospital stay after surgery. The serum CRP level at postoperative day 3 was 4.9 mg/dl in the TJ-100 group and 6.9 mg/dl in the control group, showing a tendency of a suppressed serum CRP level in

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We devised a method for confirming the position of mesh placed during transabdominal preperitoneal repair (TAPP) of an inguinal hernia. The preperitoneum is sufficiently detached, and the mesh is fixed in place as usual. Before completely closing the peritoneum, pressure is applied from outside the body and inside the abdominal cavity to remove as much air as possible from the detached preperitoneum ; the peritoneum is then sutured using a V-LocTM closure device so that it does not constrict. By releasing the pressure all at once, the airtightness of the preperitoneum is maintained, and the position of the mesh can be observed through the translucent peritoneum. This method, called Mesh-Airtight-Preperitoneum (MAPP), could become widely used as a simple technique for confirming mesh position in TAPP.

The purpose of this study was to investigate the oncologic outcomes of laparoscopic distal gastrectomy (LDG) for advanced gastric cancer (AGC). Between April 2003 and March 2014, LDG was performed for 392 patients, 91 patients (23.2%) had histopathologically diagnosed AGC beyond T2 depth. The clinicopathological features, postoperative outcomes, mortality, morbidity, recurrence rate, and survivals of those patients were reviewed. The TNM stages of the tumor were IB in 26 patients (28.5%), IIA in 20 (21.9%), IIB in 18 (19.7%), IIIA in 13 (14.2%), IIIB in 6 (6.5%), IIIC in 6 (6.5%), and IV in 2 (2.1%). Major morbidity occurred in 14 patients (15.3%), with no postoperative mortality. Median follow-up was 24.5 months ; 10 patients developed recurrence during the follow-up period, and 10 patients died, including 6 cancer deaths. The 5-year overall and disease-free survival rates were 76.8% and 72.6%, respectively. By stage, OS/DFS was 92.3%/91.8% in stage IB, 85.4%/85.4% in stage II, and 49.3%/26.9% in stage III. Oncologic outcomes were good in patients with AGC, especially with stage IB-IIB, who underwent LDG. LDG appears to be an effective approach for treating stage IB and II gastric cancer.

Background : The safety and usefulness of the SILS-TAPP (transabdominal preperitoneal) procedure remain unclear. The aim of this study was to clarify the safety and usefulness of the SILS-TAPP procedure compared with standard laparoscopic TAPP and TEPP (totally extra-peritoneal pre-peritoneal) procedures. Patients and methods : 85 patients underwent laparoscopic inguinal hernia repairs (TEPP, 30 patients ; TAPP, 20 patients ; SILS-TAPP, 35 patients) from 2007 to 2011. The operative outcomes of the three groups were compared. Results : There was no difference in the patients’ characteristics among the three groups. The TEPP Group had a longer operation time. One patient in the SILS-TAPP group had an intraoperative complication. One patient in the TAPP group had a postoperative complication, and one patient had ileus and one had an umbilical hernia in the SILS-TAPP group. The postoperative hospital stay was not significantly different among the three groups. There were no recurrences in the TEPP group, 1 case of recurrence (5.0%) in the TAPP group, and 1 case (2.9%) in the SILS-TAPP group. Conclusions : The present findings show that the SILS-TAPP repair is safe and feasible for the repair of adult inguinal hernia.

The contents of 4(5)-methylimidazole (4-MI) in hay and cereal straw treated with different levels of ammonia were investigated by combining ion-pair extraction with reversed-phase ion-pair liquid chromatography (HPLC) and together with photometry of the Ehrich diazo coupling products (λ= 498 nm). The diazo coupling colors corresponding to 4-MI contents in treated roughage were verified and subjected to a panel test, in order to develop a simple procedure for semi-quantitative determination capable to be used on farms. Ammonia-treated hay (3% NH3DM-1) contained 14-81μg g-1DM of 4-MI and the values were increased by increasing the levels of ammonia. 4-MI was not detected in ammonia-treated rice and wheat straw, irrespective of the ammonia levels. A significant correlation between the visible absorbance of 4-MI and HPLC values was found for the ammonia-treated ones. The diazo coupling colors at different4-MI contents were assigned as follows, according to the standard Munsell color table (4-MI ; 0μg g-1DM=5Y8/14 ; 30μg g-1DM=5YR 7/14 ; 50μg g-1DM=5YR 6.5/13 ; 80μg g-1DM=2.5YR 6.5/12 ; 100μg g-1DM=5.5/12 ; 150μg g-1DM=9R 5.5/14 ; 200μg g-1DM=6R 5.5/14). The panel test showed that the 4-MI contents in the ammonia-treated hay were estimated by four groups of None, 30-50, 80-100 and > 100μg g-1DM, according to the Munsell analysis., アンモニア処理された粗飼料中に副生される4（5）-メチルイミダゾール量を，材料の種類（牧草 イネ藁，麦稈 ）やアンモニア濃度（0，1，2，3，4，6，9％）との関係を検討した。また，生産現場などで簡単に4（5）-メ チルイミダゾール量を検出する方法として，ジアゾカップリング呈色皮応によるマンセル値と標準色彩表（色相・ 明度・彩度）が有効であるかどうかを，パネルテストで判定した。 稲わらや麦稈からの4（5）-メチルイミダゾールは，アンモニア処理の濃度と関係なく，ほとんど検出されなかっ た。一方，牧乾草の場合には，アンモニア濃度3％処理区で14～81μgg-1DM，6％処理区100～176μgg-1DM，9％処理区127～190μgg-1DMと，アンモニア濃度の増加に対応して4（5）-メチルイミダゾール生成量が増加した。 マンセル値と標準色彩表に基づいたパネルテストによる4（5）-メチルイミダゾールの濃度判定結果は，その濃度が0μggDM-1（ブランク），50μgg-1DM，176μgg-1DMにおいてそれぞれ100％，87.5％，96.0％ときわめて高かった。18.8％の正解率となった30μgg-1DMサンプルはおもに50μgg-1DMと，31.3％の正解率となった100μgg-1DMサンプルは80μgg-1DMと判定された。総じて，パネリストによる判定は正確なものであった。

Sentinel lymph node biopsy (SLNB) has been developed as a new diagnostic and therapeutic modality in melanoma and breast cancer surgery. The purpose of the SLNB include preventing the operative morbidity and improving the pathologic stage by focusing on fewer lymph nodes using immunocytochemic and molecular technology has almost achieved in breast cancer surgery. The prognostic meaning of immunocytochemically detected micrometastases is also evaluating in the SLN and bone marrow aspirates of women with early-stage breast cancer. SLNB using available techniques have suggested that the lymphatic drainage of the gastrointestinal tract is much more complicated than other sites, skip metastasis being rather frequent because of an aberrant lymphatic drainage outside of the basin exist. At the moment, the available data does not justify reduced extent of lymphadenectomy, but provides strong evidence for an improvement in tumor staging on the basis of SLNB. Two large scale prospective multi-center trials concerning feasibility of gamma-probe and dye detection for gastric cancer are ongoing in Japan. Recent studies have shown favorable results for identification of SLN in esophageal cancer. CT lymphography with endoscopic mucosal injection of iopamidol was applicable for SLN navigation of superficial esophageal cancer. The aim of surgical treatment is complete resection of the tumor-infiltrated organ including the regional lymph nodes. Accurate detection of SLN can achieve a selection of a more sophisticated tailor made approach. The patient can make a individualized choice from a broader spectrum of therapeutic options including endoscopic, laparoscopic or laparoscopy-assisted surgery, modified radical surgery, and typical radical surgery with lymph node dissection. Ultrastaging by detecting micrometastasis at the molecular level and the choice of an adequate treatment improve the postoperative quality of life and survival. However these issues require further investigation