Asian Journal of Endoscopic Surgery最新文献

{"title":"Enhancing surgical outcomes in HoLEP: A discussion on APUMP and anterior fibromuscular stroma preservation","authors":"Kuo Jen Lin, Chen-Pang Hou, Yu-Hsiang Lin","doi":"10.1111/ases.13322","DOIUrl":"10.1111/ases.13322","url":null,"abstract":"","PeriodicalId":47019,"journal":{"name":"Asian Journal of Endoscopic Surgery","volume":"17 3","pages":""},"PeriodicalIF":1.0,"publicationDate":"2024-05-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140892842","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Totally retroperitoneal approach for robot-assisted nephroureterectomy with bladder cuff without repositioning","authors":"Yuto Hattori,&nbsp;Akihiro Yamamoto,&nbsp;Akihiko Nagoshi,&nbsp;Tasuku Fujiwara,&nbsp;Takanari Kambe,&nbsp;Atsushi Igarashi,&nbsp;Naoki Akagi,&nbsp;Noboru Shibasaki,&nbsp;Mutsushi Kawakita,&nbsp;Toshinari Yamasaki","doi":"10.1111/ases.13317","DOIUrl":"https://doi.org/10.1111/ases.13317","url":null,"abstract":"<div>\u0000 \u0000 \u0000 <section>\u0000 \u0000 <h3> Introduction</h3>\u0000 \u0000 <p>Robot-assisted nephroureterectomy (RANU) for upper urinary tract urothelial carcinoma is typically performed via the transperitoneal approach because of limited surgical space. However, a retroperitoneal approach may be preferable in patients with a history of abdominal surgery or in those in whom pelvic lymph node dissection is unnecessary.</p>\u0000 </section>\u0000 \u0000 <section>\u0000 \u0000 <h3> Materials and Surgical Techniques</h3>\u0000 \u0000 <p>RANU via the retroperitoneal approach was selected for two patients diagnosed with high-grade upper urothelial carcinoma with a history of abdominal surgery. Nephrectomy was performed in the 90° flank position, and the bed was tilted at 20°. The retroperitoneal space was extended, and the robot trocar was subsequently repositioned in the left lower quadrant. After redocking the robot, the distal ureter was dissected, and the bladder cuff was resected en bloc along with the kidney and the ureter. Neither patient had any complications within 3 months postoperatively.</p>\u0000 </section>\u0000 \u0000 <section>\u0000 \u0000 <h3> Discussion</h3>\u0000 \u0000 <p>By devising a new technique for trocar placement, total retroperitoneal RANU without repositioning was possible, even in a small patient.</p>\u0000 </section>\u0000 </div>","PeriodicalId":47019,"journal":{"name":"Asian Journal of Endoscopic Surgery","volume":"17 3","pages":""},"PeriodicalIF":1.0,"publicationDate":"2024-05-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140818940","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Risk factors of bleeding during rectal cancer surgery in obese patients in Japan","authors":"Yasuhiro Ishiyama,&nbsp;Yasumitsu Hirano,&nbsp;Manabu Shiozawa,&nbsp;Eigo Otsuji,&nbsp;Soichiro Natsume,&nbsp;Tomonori Akagi,&nbsp;Kentaro Nakajima,&nbsp;Yoshinori Kagawa,&nbsp;Shinobu Ohnuma,&nbsp;Shuji Saito,&nbsp;Masafumi Inomata,&nbsp;Seiichiro Yamamoto,&nbsp;Yoshiharu Sakai,&nbsp;Masahiko Watanabe,&nbsp;Takeshi Naitoh,&nbsp;the Japan Society of Laparoscopic Colorectal Surgery","doi":"10.1111/ases.13316","DOIUrl":"https://doi.org/10.1111/ases.13316","url":null,"abstract":"<div>\u0000 \u0000 \u0000 <section>\u0000 \u0000 <h3> Background</h3>\u0000 \u0000 <p>According to several clinical trials for patients with rectal cancer, laparoscopic surgery significantly reduces intraoperative complications and bleeding compared with laparotomy and demonstrated comparable long-term results. However, obesity is considered one of the risk factors for increased surgical difficulty, including complication rate, prolonged operation time, and bleeding.</p>\u0000 </section>\u0000 \u0000 <section>\u0000 \u0000 <h3> Methods</h3>\u0000 \u0000 <p>Patients with clinical pathological stage II/III rectal cancer and a body mass index of ≥25 kg/m² who underwent laparotomy or laparoscopic surgery between January 2009 and December 2013 at 51 institutions participating in the Japan Society of Laparoscopic Colorectal Surgery were included. These patients were divided into major bleeding (&gt;500 mL) group and minor bleeding (≤500 mL) group. The risk factors of major bleeding were evaluated by univariate and multivariate analyses.</p>\u0000 </section>\u0000 \u0000 <section>\u0000 \u0000 <h3> Results</h3>\u0000 \u0000 <p>This study included 517 patients, of which 74 (19.9%) experienced major bleeding. Patient characteristics did not significantly differ between the two groups. The major bleeding group had a longer operative time (<i>p</i> &lt; 0.001) and a larger tumor size than the minor bleeding group (<i>p</i> = 0.011). In the univariate analysis, age &gt;65 years, laparotomy, operative time &gt;300 min, and multivisceral resection were significantly associated with intraoperative massive bleeding. In the multivariate analysis, age &gt;65 years (odds ratio [OR], 2.29; 95% confidence interval [CI], 1.13–4.82), laparotomy (OR, 20.82; 95% CI, 11.56–39.75), operative time &gt;300 min (OR, 5.39; 95% CI, 1.67–132), and multivisceral resection (OR, 10.72; 95% CI, 2.47–64.0) showed to be risk factors for massive bleeding.</p>\u0000 </section>\u0000 \u0000 <section>\u0000 \u0000 <h3> Conclusion</h3>\u0000 \u0000 <p>Age &gt;65 years, laparotomy, operative time &gt;300 min, and multivisceral resection were risk factors for massive bleeding during rectal cancer surgery in patients with obesity.</p>\u0000 </section>\u0000 </div>","PeriodicalId":47019,"journal":{"name":"Asian Journal of Endoscopic Surgery","volume":"17 3","pages":""},"PeriodicalIF":1.0,"publicationDate":"2024-05-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1111/ases.13316","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140818927","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Intraoperative bladder visualization by indocyanine green filling and subsequent washout in endoscopic hysterectomy: ICG-Washout method","authors":"Akiko Yoshida Ueno,&nbsp;Takayuki Sato,&nbsp;Takaomi Namba,&nbsp;Fumie Kawase,&nbsp;Junko Komatsu,&nbsp;Kazutoshi Hayashi","doi":"10.1111/ases.13315","DOIUrl":"https://doi.org/10.1111/ases.13315","url":null,"abstract":"<div>\u0000 \u0000 \u0000 <section>\u0000 \u0000 <h3> Introduction</h3>\u0000 \u0000 <p>Despite a potential risk of bladder injury in laparoscopic hysterectomy (LH) and robot-assisted LH (RaLH), an intraoperative method for delineating the entire bladder with indocyanine green (ICG) has not been established.</p>\u0000 </section>\u0000 \u0000 <section>\u0000 \u0000 <h3> Methods</h3>\u0000 \u0000 <p>We conducted a preliminary experiment using porcine bladders to verify the appropriate amount of ICG for intraoperative bladder visualization. Afterward, intraoperative bladder visualization was tried in LH and RaLH in two patients suspected of having adhesions around the bladder after previous abdominal surgery.</p>\u0000 </section>\u0000 \u0000 <section>\u0000 \u0000 <h3> Results</h3>\u0000 \u0000 <p>Although near-infrared (NIR) fluorescence was well observed through the wall of the porcine bladder filled with ICG solution at a concentration of 0.024 mg/mL, the subsequent replacement of the ICG solution with saline made the NIR fluorescence brighter. In both patients, the bladder was successfully delineated by NIR fluorescence after filling the bladder with ICG solution and the subsequent washout with saline.</p>\u0000 </section>\u0000 \u0000 <section>\u0000 \u0000 <h3> Conclusion</h3>\u0000 \u0000 <p>The ICG-Washout method for locating the bladder by NIR fluorescence could be useful in LH and RaLH.</p>\u0000 </section>\u0000 </div>","PeriodicalId":47019,"journal":{"name":"Asian Journal of Endoscopic Surgery","volume":"17 3","pages":""},"PeriodicalIF":1.0,"publicationDate":"2024-04-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1111/ases.13315","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140817224","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Conversion of one anastomosis gastric bypass to distal Roux-en-Y gastric bypass due to recurrent weight gain and gastroesophageal reflux disease: A video case report","authors":"Mohammad Kermansaravi,&nbsp;Shahab Shahabi Shahmiri,&nbsp;Fahime Yarigholi,&nbsp;Arash Mehraz","doi":"10.1111/ases.13314","DOIUrl":"https://doi.org/10.1111/ases.13314","url":null,"abstract":"<p>One-anastomosis gastric bypass (OAGB) complications include inadequate weight loss, recurrent weight gain (RWG), and gastroesophageal reflux disease (GERD). Conversion to distal Roux-en-Y gastric bypass (D-RYGB) may be an effective conversional approach. A 38-year-old female underwent OAGB with a body mass index (BMI) of 53 kg/m² and 43% initial total weight loss but had RWG to BMI of 44 kg/m² over 5 years with refractory GERD symptoms. She underwent D-RYGB conversion, creating a 330 cm biliopancreatic limb, 75 cm Roux limb, and 400 cm total alimentary limb length to decrease the chance of malnutrition. At 2 weeks, GERD symptoms were resolved completely. By 12 months, 42% total weight loss was achieved with normal nutritional parameters. For RWG and refractory GERD after OAGB, conversion to D-RYGB can promote weight loss and GERD symptom control while preventing nutritional deficiencies.</p>","PeriodicalId":47019,"journal":{"name":"Asian Journal of Endoscopic Surgery","volume":"17 3","pages":""},"PeriodicalIF":1.0,"publicationDate":"2024-04-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140648083","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"A case of robot-assisted resection for cecum cancer with anomalous venous confluence","authors":"Yusuke Ogi,&nbsp;Hiroki Sugishita,&nbsp;Satoshi Akita,&nbsp;Kei Ishimaru,&nbsp;Shigehiro Koga,&nbsp;Motohira Yoshida,&nbsp;Satoshi Kikuchi,&nbsp;Jun Kuwabara,&nbsp;Hironori Matsumoto,&nbsp;Kai Goyo,&nbsp;Noriaki Kashu,&nbsp;Katsuya Watanabe,&nbsp;Kyousuke Habu,&nbsp;Kenji Takagi,&nbsp;Taro Oshikiri","doi":"10.1111/ases.13313","DOIUrl":"https://doi.org/10.1111/ases.13313","url":null,"abstract":"<p>There are many reports on the positional relationship between the ileocolic artery and superior mesenteric vein (SMV). However, there have been no reports of anomalous venous confluence in the ileocecal vessel area. A 69-year-old man was diagnosed with cecal cancer on a preoperative examination of a lung tumor. We planned to perform surgery for the cecal cancer. Computed tomography angiography revealed an anomalous vein confluence in the ileocolic region. We performed robot-assisted ileocecal resection. Although the small intestinal vein was misidentified as the SMV at first, we confirmed the misidentification, identified the SMV on the dorsal side of the ileocolic artery, and ligated the ileocolic vessels with precise forceps manipulation during robotic surgery. Especially for cases with vascular anomalies revealed by preoperative computed tomography angiography, robotic surgery may be useful, as flexible forceps manipulation prevents vascular injury.</p>","PeriodicalId":47019,"journal":{"name":"Asian Journal of Endoscopic Surgery","volume":"17 3","pages":""},"PeriodicalIF":1.0,"publicationDate":"2024-04-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1111/ases.13313","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140606461","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Robot-assisted distal gastrectomy and local resection for gastric cancer and gastrointestinal stromal tumor","authors":"Chihiro Ishizuka,&nbsp;Takahisa Ishikawa,&nbsp;Hayato Yagi,&nbsp;Yoichi Yamamoto,&nbsp;Daisuke Koro,&nbsp;Takahiro Nishikoshi,&nbsp;Yasuyuki Koshizuka,&nbsp;Naoyuki Yanagida,&nbsp;Taiichiro Shibaki,&nbsp;Hiromitsu Akabane,&nbsp;Shunsuke Yasuda,&nbsp;Kei Ishibashi,&nbsp;Akinobu Taketomi","doi":"10.1111/ases.13310","DOIUrl":"https://doi.org/10.1111/ases.13310","url":null,"abstract":"<p>Gastrointestinal stromal tumors surrounding the esophagogastric junction are often challenging to resect, with no consensus regarding the optimal surgical technique. Here in, we present a case of concurrent gastric cancer in the antrum and gastrointestinal stromal tumors adjacent to the esophagogastric junction. The patient underwent simultaneous distal gastrectomy and local resection assisted by a surgical robot, avoiding the need for total gastrectomy. The utilization of robot-assisted surgery has become an increasingly popular technique, holding promise for simplifying complex surgical procedures across diverse medical settings.</p>","PeriodicalId":47019,"journal":{"name":"Asian Journal of Endoscopic Surgery","volume":"17 3","pages":""},"PeriodicalIF":1.0,"publicationDate":"2024-04-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140556397","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"True significance of the number of retrieved lymph nodes in stage II colon cancer resected by minimally invasive surgery: Influence of tumor sidedness","authors":"Kenta Iguchi,&nbsp;Atsuhiko Sugiyama,&nbsp;Hiroyuki Mushiake,&nbsp;Seiji Hasegawa,&nbsp;Yasushi Rino,&nbsp;Aya Saito,&nbsp;Manabu Shiozawa","doi":"10.1111/ases.13312","DOIUrl":"https://doi.org/10.1111/ases.13312","url":null,"abstract":"<div>\u0000 \u0000 \u0000 <section>\u0000 \u0000 <h3> Background</h3>\u0000 \u0000 <p>In patients with stage II colon cancer (CC) undergoing minimally invasive surgery, the association between the clinical significance of lymph node yield and tumor localization remains unknown. We aimed to determine the optimal number of lymph nodes to be retrieved based on tumor localization in patients with stage II CC undergoing minimally invasive surgery.</p>\u0000 </section>\u0000 \u0000 <section>\u0000 \u0000 <h3> Methods</h3>\u0000 \u0000 <p>This was a multicenter retrospective study. Overall, 263 patients with stage II CC who underwent laparoscopic surgery between January 1, 2008 and December 31 were enrolled. The primary outcome was the optimal number of lymph nodes retrieved based on tumor localization.</p>\u0000 </section>\u0000 \u0000 <section>\u0000 \u0000 <h3> Results</h3>\u0000 \u0000 <p>The median number of retrieved lymph nodes was 30 and 26 in the right-(<i>n</i> = 125) and left-sided (<i>n</i> = 138) CC groups, respectively (<i>p</i> = .0007). Inadequate dissection (&lt;12 nodes) occurred in 4.2% of patients: 1.6% in the right-sided CC group and 6.5% in the left-sided CC group. Multivariate Cox regression analysis showed a decreasing trend in adjusted hazard ratios with increasing nodes, with an optimal cutoff of 15 lymph nodes in the left-sided CC group (adjusted hazard ratio, 5.868; 95% confidence interval, 1.247–27.62; <i>p</i> = .02). Lymph node yield was not independently associated with survival in the right-sided CC group.</p>\u0000 </section>\u0000 \u0000 <section>\u0000 \u0000 <h3> Conclusions</h3>\u0000 \u0000 <p>For patients with left-sided stage II CC undergoing laparoscopic surgery, aiming for at least 15 retrieved lymph nodes may be optimal for accurate staging and prognostic assessment. The optimal lymph node yield likely varies based on tumor location, requiring further investigation in right-sided CC.</p>\u0000 </section>\u0000 </div>","PeriodicalId":47019,"journal":{"name":"Asian Journal of Endoscopic Surgery","volume":"17 3","pages":""},"PeriodicalIF":1.0,"publicationDate":"2024-04-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140559607","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Two cases of laparoscopic deroofing of giant liver cysts using indocyanine green fluorescence imaging","authors":"Gaku Nakamura,&nbsp;Koji Asai,&nbsp;Ryutaro Watanabe,&nbsp;Hodaka Moriyama,&nbsp;Manabu Kujiraoka,&nbsp;Toshiyuki Enomoto,&nbsp;Manabu Watanabe,&nbsp;Yoshihisa Saida","doi":"10.1111/ases.13308","DOIUrl":"https://doi.org/10.1111/ases.13308","url":null,"abstract":"<p>Laparoscopic deroofing (LD) for giant liver cysts using indocyanine green (ICG) fluorescence imaging was performed in two patients: a 53-year-old man with a 26-cm, symptomatic cyst and a 50-year-old woman with a 13-cm, symptomatic cyst. ICG fluorescence imaging can be used to easily identify the boundary between the liver parenchyma and the liver cyst. No postoperative bile leakage was observed in both patients. ICG fluorescence imaging is expected to become a desirable procedure in LD for giant liver cysts to reduce the occurrence of perioperative complications.</p>","PeriodicalId":47019,"journal":{"name":"Asian Journal of Endoscopic Surgery","volume":"17 3","pages":""},"PeriodicalIF":1.0,"publicationDate":"2024-04-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140556155","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Resection of a retroperitoneal lumbar vein aneurysm: A case report","authors":"Hisashi Murakami,&nbsp;Satoshi Okubo,&nbsp;Shota Kami,&nbsp;Masahiro Kobayashi,&nbsp;Masaru Matsumura,&nbsp;Junichi Shindoh,&nbsp;Masaji Hashimoto","doi":"10.1111/ases.13311","DOIUrl":"https://doi.org/10.1111/ases.13311","url":null,"abstract":"<p>We present a rare case involving a 54-year-old man with a history of pancreatitis who developed a retroperitoneal lumbar vein aneurysm that was initially misidentified as a pancreatic pseudocyst. Subsequent imaging revealed an enlarged mass and retroperitoneal perforation. Despite initial hesitation, the patient eventually underwent radical surgery that enabled the successful removal of the mass, which was near the inferior vena cava. Pathological examination confirmed varicose veins, and the final diagnosis was lumbar vein aneurysm in the retroperitoneum. The patient's postoperative recovery was uneventful, with no symptoms or recurrence observed on 6-month follow-up imaging. We investigated a potential link between pancreatitis and recurrent bleeding due to weakened venous walls. The findings from this case underscore the rarity of venous aneurysms and the diagnostic and treatment challenges due to the limited number of cases; furthermore, they emphasize that surgery should be carefully considered based on the lesion location and associated risks.</p>","PeriodicalId":47019,"journal":{"name":"Asian Journal of Endoscopic Surgery","volume":"17 3","pages":""},"PeriodicalIF":1.0,"publicationDate":"2024-04-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140556307","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}