{"title":"Training Across Robotic Platforms: Commentary on Comparative Outcomes in RARP Learning Phases","authors":"Javed Iqbal, Brijesh Sathian, Syed Muhammad Ali","doi":"10.1111/ases.70106","DOIUrl":"https://doi.org/10.1111/ases.70106","url":null,"abstract":"","PeriodicalId":47019,"journal":{"name":"Asian Journal of Endoscopic Surgery","volume":"18 1","pages":""},"PeriodicalIF":0.9,"publicationDate":"2025-06-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144482145","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":"Pericardial Fat Filling Method for Intractable Secondary Spontaneous Pneumothorax","authors":"Satoshi Takamori, Marina Nakatsuka, Makoto Endo","doi":"10.1111/ases.70109","DOIUrl":"https://doi.org/10.1111/ases.70109","url":null,"abstract":"<p>The treatment of intractable secondary spontaneous pneumothorax is challenging. A 74-year-old man with combined pulmonary fibrosis and emphysema developed a left secondary pneumothorax. The perforated bullae were ligated during the first surgery; however, the pneumothorax recurred. During the second surgery, the pulmonary fistula was filled with pericardial fat, and the fistula was sutured closed using a pericardial fat pad. No air leakage or recurrence was observed postoperatively. This novel method may effectively seal pulmonary fistulas causing intractable secondary spontaneous pneumothorax.</p>","PeriodicalId":47019,"journal":{"name":"Asian Journal of Endoscopic Surgery","volume":"18 1","pages":""},"PeriodicalIF":0.9,"publicationDate":"2025-06-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1111/ases.70109","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144482053","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}
Kengo Hayashi, Saki Hayashi, Roberto Passera, Chiara Meroni, Rebecca Dallorto, Chiara Marafante, Carlo Alberto Ammirati, Alberto Arezzo, Noriyuki Inaki
{"title":"Endoscopic Resection Versus Laparoscopic Resection for Gastric Submucosal Tumors: A Systematic Review and Meta-Analysis of Safety and Efficacy","authors":"Kengo Hayashi, Saki Hayashi, Roberto Passera, Chiara Meroni, Rebecca Dallorto, Chiara Marafante, Carlo Alberto Ammirati, Alberto Arezzo, Noriyuki Inaki","doi":"10.1111/ases.70104","DOIUrl":"https://doi.org/10.1111/ases.70104","url":null,"abstract":"<div>\u0000 \u0000 \u0000 <section>\u0000 \u0000 <h3> Introduction</h3>\u0000 \u0000 <p>Gastric submucosal tumors (G-SMTs) vary in malignancy risk, with surgical resection as standard treatment. Although extended endoscopic resection (eER) offers a less invasive option, its outcomes relative to laparoscopic resection (LR) remain unclear. This study evaluates the safety and efficacy of eER and LR.</p>\u0000 </section>\u0000 \u0000 <section>\u0000 \u0000 <h3> Materials and Methods</h3>\u0000 \u0000 <p>A systematic review and meta-analysis included articles comparing eER and LR for G-SMTs. The primary outcome was a complete resection rate.</p>\u0000 </section>\u0000 \u0000 <section>\u0000 \u0000 <h3> Results</h3>\u0000 \u0000 <p>17 studies involving 1262 eER and 990 LR patients were included. LR showed a higher complete resection rate (RR 0.98, 95% CI 0.97–0.99, <i>p</i> < 0.01). eER favored operative time (95% CI -57.66 to −23.71, <i>p</i> < 0.01), blood loss (95% CI -63.46 to −17.45, <i>p</i> < 0.01), time to oral intake (95% CI -1.64 to −0.33, <i>p</i> < 0.01), and hospital stay (95% CI -1.75 to −0.13, <i>p</i> = 0.023). Subgroup analysis comparing endoscopic full-thickness resection (EFTR) to LR showed no significant difference in complete resection (RR 0.98, 95% CI 0.95–1.01, <i>p</i> = 0.18).</p>\u0000 </section>\u0000 \u0000 <section>\u0000 \u0000 <h3> Conclusions</h3>\u0000 \u0000 <p>LR may offer a higher complete resection rate, but eER demonstrated better short-term outcomes. EFTR achieved comparable resection rates to LR, supporting broader adoption with further technical refinement.</p>\u0000 </section>\u0000 </div>","PeriodicalId":47019,"journal":{"name":"Asian Journal of Endoscopic Surgery","volume":"18 1","pages":""},"PeriodicalIF":0.9,"publicationDate":"2025-06-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1111/ases.70104","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144473055","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":"Successful Video-Assisted Thoracoscopic Management of Rare Thoracic Complications After Percutaneous Biliary Drainage: A Report of Two Cases","authors":"Kazuki Hayashi, Yusuke Kita, Jun Hanaoka","doi":"10.1111/ases.70105","DOIUrl":"https://doi.org/10.1111/ases.70105","url":null,"abstract":"<p>Percutaneous transhepatic gallbladder drainage and percutaneous transhepatic cholangiodrainage are effective therapeutic options for biliary disease, although they occasionally result in thoracic complications. We report two cases of thoracic complications that developed after biliary drainage and were successfully treated using video-assisted thoracoscopic surgery. The first case involved a 55-year-old man who developed a chest wall (extrapleural) abscess after percutaneous transhepatic gallbladder drainage and laparoscopic cholecystectomy. Video-assisted thoracoscopic surgery revealed an extrapleural abscess that was initially diagnosed as empyema. The second case involved a 71-year-old woman who developed bilious pleural effusion after percutaneous transhepatic cholangiodrainage. Video-assisted thoracoscopic surgery was used to identify and close a diaphragmatic fistula. Both patients had a favorable postoperative course. This report demonstrates that video-assisted thoracoscopic surgery can be an effective therapeutic approach for thoracic complications after percutaneous biliary drainage.</p>","PeriodicalId":47019,"journal":{"name":"Asian Journal of Endoscopic Surgery","volume":"18 1","pages":""},"PeriodicalIF":0.9,"publicationDate":"2025-06-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1111/ases.70105","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144473053","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":"A Training System for Surgeons to Safely Introduce Robotic Colectomy Using a Real-Time Annotation Tool and Hybrid Surgery: Learning Curve Evaluation via Cumulative Sum Analysis","authors":"Susumu Inamoto, Akinari Nomura, Shota Tsukasaki, Tomoaki Okada, Seiichiro Kanaya, Yoshiharu Sakai","doi":"10.1111/ases.70103","DOIUrl":"https://doi.org/10.1111/ases.70103","url":null,"abstract":"<div>\u0000 \u0000 \u0000 <section>\u0000 \u0000 <h3> Introduction</h3>\u0000 \u0000 <p>Robotic surgery has gained worldwide popularity due to its versatility and clinical benefits. However, issues associated with high costs, safety, specialized training requirements, and trainee education remain. Despite several preclinical training strategies, it is necessary to train while performing surgery in order to improve surgical technique. Since most institutions lack dual-console systems, alternative training strategies must be developed.</p>\u0000 </section>\u0000 \u0000 <section>\u0000 \u0000 <h3> Methods</h3>\u0000 \u0000 <p>To enhance surgical training, a real-time annotation tool and hybrid surgery—where assistant surgeons actively utilize laparoscopic instruments—was implemented in trainee-performed colectomies. Short-term clinical outcomes were compared between robotic colectomies performed by proctors and those performed by trainees. Robotic colectomy learning curves were assessed using cumulative sum (CUSUM) analysis.</p>\u0000 </section>\u0000 \u0000 <section>\u0000 \u0000 <h3> Results</h3>\u0000 \u0000 <p>Between August 2021 and October 2024, 58 and 52 robotic colectomies were performed by proctors and trainee surgeons, respectively. Although no significant differences were observed in patient characteristics or clinical outcomes, operative time (265 vs. 343 min, <i>p</i> < 0.05) and console time (184 vs. 263.5 min, <i>p</i> < 0.05) were significantly longer in the trainee group. CUSUM analysis indicated that proctors required 16 cases to reach the learning phase and 33 cases to achieve mastery. The trainee learning curve displayed a short bimodal pattern, which was distinctly separated in April 2024, corresponding to between-batch transition. This suggests that the real-time annotation tool and hybrid surgery effectively maintained surgical quality.</p>\u0000 </section>\u0000 \u0000 <section>\u0000 \u0000 <h3> Conclusion</h3>\u0000 \u0000 <p>The combination of a real-time annotation tool and hybrid surgery represents a safe and effective training strategy for trainee surgeons performing robotic colectomy in a single-console institution.</p>\u0000 </section>\u0000 </div>","PeriodicalId":47019,"journal":{"name":"Asian Journal of Endoscopic Surgery","volume":"18 1","pages":""},"PeriodicalIF":0.9,"publicationDate":"2025-06-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144323428","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":"Endoscopic Lens Cleaning Device Without In-And-Out Decreased Operative Time","authors":"Masaaki Moriyama, Keitaro Matsumoto, Katsunori Takagi, Daisuke Taniguchi, Ryoichiro Doi, Junichi Arai, Takashi Nonaka, Takeshi Nagayasu","doi":"10.1111/ases.70080","DOIUrl":"https://doi.org/10.1111/ases.70080","url":null,"abstract":"<div>\u0000 \u0000 \u0000 <section>\u0000 \u0000 <h3> Purpose</h3>\u0000 \u0000 <p>In endoscopic surgeries, the use of a scope is essential due to the detrimental effects of limited vision on surgical safety, operative time, and surgeon stress. A significant challenge in endoscopy is the compromised field of view caused by fog, fat droplets, and blood during surgical procedures. This study aimed to assess the necessity of washing equipment and evaluate the performance of a new device in both dry and wet laboratory settings.</p>\u0000 </section>\u0000 \u0000 <section>\u0000 \u0000 <h3> Methods</h3>\u0000 \u0000 <p>The study involved calculating the cleaning time for the endoscope and evaluating the functionality of washing equipment in dry and wet laboratories. Four prototypes of washing equipment (designed as Prototypes A, B, C, and D) were developed and tested using pig models. The time required to remove blood and fat stains from the endoscope was measured for five different procedures: LADG, LAC, Ro-LAR, VATS, and RATS.</p>\u0000 </section>\u0000 \u0000 <section>\u0000 \u0000 <h3> Results</h3>\u0000 \u0000 <p>LADG required the longest cleaning time, which correlated with extended operative time (<i>r</i> = 0.89, <i>p</i> < 0.05). In dry laboratories, Prototype B yielded the best results for the bleeding model, whereas Prototype C showed the best results for the fat deposition model. In animal experiments, Prototype C showed the most favorable outcomes. Based on the results of three experiments, Prototype C demonstrates the most balanced and effective cleaning performance overall.</p>\u0000 </section>\u0000 \u0000 <section>\u0000 \u0000 <h3> Conclusion</h3>\u0000 \u0000 <p>Our findings suggest that the implementation of these cleaning devices can significantly reduce the duration of endoscopic surgeries, consequently alleviating surgeon stress, optimizing medical resources, and enhancing surgical safety. Further validation in clinical settings is necessary to confirm these findings.</p>\u0000 </section>\u0000 </div>","PeriodicalId":47019,"journal":{"name":"Asian Journal of Endoscopic Surgery","volume":"18 1","pages":""},"PeriodicalIF":0.9,"publicationDate":"2025-06-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144315197","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":"Critique on “Early Laparoscopic Cholecystectomy for Acute Cholecystitis: When Do Risks Seem Imminent?”","authors":"Kamran Hussain, Abida Nawab, Brijesh Sathian, Javed Iqbal, Ayesha Parvaiz Malik","doi":"10.1111/ases.70089","DOIUrl":"https://doi.org/10.1111/ases.70089","url":null,"abstract":"","PeriodicalId":47019,"journal":{"name":"Asian Journal of Endoscopic Surgery","volume":"18 1","pages":""},"PeriodicalIF":0.9,"publicationDate":"2025-06-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144308805","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":"Initial Clinical Experience of Robot-Assisted Rectal Surgery by Using Hugo RAS System: Horizontal Line Port Placement With Contralateral Reserve Arm Manipulation","authors":"Yoshiro Itatani, Koya Hida, Ryosuke Okamura, Hisatsugu Maekawa, Nobuaki Hoshino, Hiromitsu Kinoshita, Yuki Aisu, Yu Yoshida, Tatsuto Kurosaki, Kyoko Inada, Kyoichi Hashimoto, Satoshi Nagayama, Kazutaka Obama","doi":"10.1111/ases.70099","DOIUrl":"https://doi.org/10.1111/ases.70099","url":null,"abstract":"<div>\u0000 \u0000 <p>The benefits and advantages of robot-assisted laparoscopic surgery (RALS) over conventional laparoscopic surgery are reported in many fields. Hugo RAS system is one of the newest surgical robots; it features a modular-type robot with four independent arms mounted onto independent surgical carts. Here, we report our initial experience of RALS for rectal cancer surgery by using Hugo. We employ horizontal line port placement (HLPP) at the umbilicus with contralateral reserve arm manipulation (CRAM) technique in which the reserve arm from the left side is manipulated with the operator's right hand, allowing tissue manipulation and tissue dissection with two hands by swapping between reserve and right arms, respectively. The flex-wrist function allows easier handling immediately after swapping. Moreover, HLPP provides sufficient space for the bedside surgeon to provide comfortable assistance. Our procedure of RALS for rectal cancer with Hugo RAS system with HLPP and CRAM technique was safe and feasible.</p>\u0000 </div>","PeriodicalId":47019,"journal":{"name":"Asian Journal of Endoscopic Surgery","volume":"18 1","pages":""},"PeriodicalIF":0.9,"publicationDate":"2025-06-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144300346","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":"Laparoscopic Hepatic Cyst Fenestration Using Linear Staplers for a Ruptured Recurrent Hepatic Cyst: A Case Report","authors":"Takuma Karasuyama, Gozo Kiguchi, Hideyuki Masui, Osamu Takeyama","doi":"10.1111/ases.70100","DOIUrl":"https://doi.org/10.1111/ases.70100","url":null,"abstract":"<div>\u0000 \u0000 <p>Laparoscopic fenestration of hepatic cysts is recommended for the treatment of symptomatic simple hepatic cysts. However, postoperative recurrence is frequently reported; there is no standardized treatment strategy for recurrent hepatic cysts. We herein present the case of a 78-year-old woman who underwent emergency laparoscopic hepatic cyst fenestration for a ruptured recurrent hepatic cyst 9 months after the initial surgery. To shorten the operation time, reduce perioperative complications, and prevent postoperative recurrence, we performed a large fenestration using linear staplers. No significant perioperative complications were observed, and the patient remained recurrence-free after the second surgery. Spontaneous rupture of a simple hepatic cyst is rare. To our knowledge, this is the first reported case of laparoscopic hepatic cyst fenestration for a ruptured recurrent hepatic cyst. Laparoscopic hepatic cyst fenestration using staplers may be effective in preventing the recurrence of hepatic cysts and managing emergency cases.</p>\u0000 </div>","PeriodicalId":47019,"journal":{"name":"Asian Journal of Endoscopic Surgery","volume":"18 1","pages":""},"PeriodicalIF":0.9,"publicationDate":"2025-06-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144300057","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":"Thoracoscopic Transthoracic Hepatectomy for Hepatocellular Carcinoma in Budd-Chiari Syndrome","authors":"Atsushi Takebe, Masaya Nakano, Katsuya Ami, Chihoko Nobori, Yuta Yoshida, Takaaki Murase, Keiko Kamei, Ippei Matsumoto","doi":"10.1111/ases.70101","DOIUrl":"https://doi.org/10.1111/ases.70101","url":null,"abstract":"<p>Budd-Chiari syndrome (BCS), caused by venous outflow obstruction, results in hepatic congestion and portal hypertension. BCS is also associated with a relatively high incidence of hepatocellular carcinoma (HCC). Selecting a minimally invasive approach based on hemodynamic assessment for the management of HCC arising from BCS is essential. A hepatic tumor located in liver segment 8 region was identified in an 88-year-old female patient with BCS. Following a detailed preoperative hemodynamic evaluation using angiography, a thoracoscopic transthoracic hepatectomy (TTH) was successfully performed. TTH may represent a feasible and effective surgical option for HCC in high-risk patients, including those with BCS.</p>","PeriodicalId":47019,"journal":{"name":"Asian Journal of Endoscopic Surgery","volume":"18 1","pages":""},"PeriodicalIF":0.9,"publicationDate":"2025-06-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1111/ases.70101","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144300058","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}