Asian Journal of Endoscopic Surgery最新文献

{"title":"Low Geriatric-8 Score as a Potential Risk Factor for Minimally Invasive Surgery in Elderly Patients With Gynecologic Malignancies","authors":"Shiina Sawada,&nbsp;Satoshi Nagamata,&nbsp;Keitaro Yamanaka,&nbsp;Naohisa Masuko,&nbsp;Ryosuke Takahashi,&nbsp;Yuuki Sasagawa,&nbsp;Masashi Nishimoto,&nbsp;Sen Wakahashi,&nbsp;Yoshito Terai","doi":"10.1111/ases.70098","DOIUrl":"https://doi.org/10.1111/ases.70098","url":null,"abstract":"<div>\u0000 \u0000 \u0000 <section>\u0000 \u0000 <h3> Background</h3>\u0000 \u0000 <p>The Geriatric-8 (G8) is a validated screening tool for identifying frailty in elderly cancer patients. Although minimally invasive surgery (MIS) is increasingly performed in older adults with gynecologic malignancies, few studies have evaluated the association between G8 scores and perioperative complications in this setting.</p>\u0000 </section>\u0000 \u0000 <section>\u0000 \u0000 <h3> Methods</h3>\u0000 \u0000 <p>This single-center retrospective study included patients aged ≥ 65 years who underwent MIS for gynecologic malignancies between January 2019 and March 2024. G8 scores were retrospectively calculated using medical records, with a threshold of ≤ 12.5 indicating geriatric risk. Perioperative complications were defined as either (1) Clavien-Dindo classification or CTCAE version 5 grade II or higher within 30 days postoperatively or (2) the need for rehabilitation intervention due to a decline in activities of daily living (ADL). Univariate and multivariate logistic regression analyses were conducted to identify associated factors.</p>\u0000 </section>\u0000 \u0000 <section>\u0000 \u0000 <h3> Results</h3>\u0000 \u0000 <p>A total of 68 patients were included (median age: 72.5 years). The median G8 score was significantly lower in the complication group than in the non-complication group (12.5 vs. 14.5, <i>p</i> = 0.008). In multivariate analysis, a G8 score ≤ 12.5 was independently associated with perioperative complications (OR: 4.02, 95% CI: 1.38–11.70, <i>p</i> = 0.011). No significant associations were found for operative time, hysterectomy, or lymphadenectomy.</p>\u0000 </section>\u0000 \u0000 <section>\u0000 \u0000 <h3> Conclusion</h3>\u0000 \u0000 <p>A low G8 score was independently associated with perioperative complications and may be useful for preoperative risk assessment in elderly patients undergoing MIS for gynecologic malignancies.</p>\u0000 </section>\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":"144300054","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 Endoscopic Cooperative Surgery for Rare Cystic Gastrointestinal Stromal Tumor of the Stomach: A Case Report","authors":"Shun Kasatani,&nbsp;Tomohiko Yasuda,&nbsp;Hiroki Arai,&nbsp;Daisuke Kakinuma,&nbsp;Masanori Watanabe,&nbsp;Yoshiharu Nakamura,&nbsp;Hiroshi Yoshida","doi":"10.1111/ases.70102","DOIUrl":"https://doi.org/10.1111/ases.70102","url":null,"abstract":"<div>\u0000 \u0000 <p>Gastrointestinal stromal tumors of the stomach usually form a solid cellular mass; however, large, predominantly cystic tumors have rarely been reported. Although laparoscopic-endoscopic combined surgery for gastric gastrointestinal stromal tumors has rapidly gained popularity in recent years, most cystic gastrointestinal stromal tumors reported to date have been treated with open surgery because of concerns that they have a significantly increased risk of recurrence owing to tumor rupture during resection. The safety of laparoscopic-endoscopic combined surgery for cystic gastrointestinal stromal tumors is unknown. In this report, we describe a case in which laparoscopic-endoscopic combined surgery using the combined laparoscopic and endoscopic approach for neoplasia with a non-exposure technique was safely performed for a cystic gastrointestinal stromal tumor &lt; 5 cm with external growth in the greater curvature of the lower body using a device to avoid capsular damage.</p>\u0000 </div>","PeriodicalId":47019,"journal":{"name":"Asian Journal of Endoscopic Surgery","volume":"18 1","pages":""},"PeriodicalIF":0.9,"publicationDate":"2025-06-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144273543","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":"First Robotic Hysterectomy Using Hugo RAS System for a 2-Kg Uterus: Technical Insights From a High-Volume Center","authors":"Ikuko Sakamoto,&nbsp;Takahiro Nozaki,&nbsp;Kippei Hayano,&nbsp;Kosuke Matsuda,&nbsp;Keiko Kagami","doi":"10.1111/ases.70088","DOIUrl":"https://doi.org/10.1111/ases.70088","url":null,"abstract":"<div>\u0000 \u0000 <p>We present the first documented case of a 2-kg uterus successfully managed with the Hugo RAS system. The patient was a 45-year-old nulliparous woman with multiple fibroids and bilateral ovarian cysts. After a six-month course of relugolix to improve anemia, we performed a total hysterectomy using Hugo. A “Narrow setting” port configuration was employed. The procedure was completed in 155 min, with a console time of 77 min and a docking time of 7 min; estimated blood loss was 50 mL. No intraoperative or postoperative complications occurred. Strategic port placement, early uterine artery ligation, and dividing the surgical procedure into defined anatomical zones helped minimize blood loss and maintain clear visualization. While this single-case experience is limited in generalizability, it provides valuable insights into surgical strategies for large benign uterine conditions.</p>\u0000 </div>","PeriodicalId":47019,"journal":{"name":"Asian Journal of Endoscopic Surgery","volume":"18 1","pages":""},"PeriodicalIF":0.9,"publicationDate":"2025-06-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144273542","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":"Complete Intracorporeal Single-Stapling Technique Anastomosis Using a Novel Detachable Purse-String Instrument in Robotic Surgery With Transanal Total Mesorectal Excision for Low Rectal Cancer","authors":"Masayuki Hiraki,&nbsp;Kiminori Yanagisawa,&nbsp;Asami Arita,&nbsp;Masayoshi Yasui,&nbsp;Mamoru Uemura,&nbsp;Wataru Osumi,&nbsp;Masakazu Ikenaga,&nbsp;Yoshiro Yukawa,&nbsp;Shinsuke Katsuyama,&nbsp;Go Shinke,&nbsp;Mitsuru Kinoshita,&nbsp;Yoshifumi Iwagami,&nbsp;Keijiro Sugimura,&nbsp;Yutaka Takeda,&nbsp;Kohei Murata","doi":"10.1111/ases.70096","DOIUrl":"https://doi.org/10.1111/ases.70096","url":null,"abstract":"<div>\u0000 \u0000 \u0000 <section>\u0000 \u0000 <h3> Introduction</h3>\u0000 \u0000 <p>New techniques for creating anastomoses have been evolving as colorectal surgery shifts toward more minimally invasive robotic platforms. However, robotic rectal cancer surgery still typically involves partial extracorporeal manipulation to secure the anastomotic anvil. We previously performed a simple robotic purse-string suture (RPSS) in complete intracorporeal double-stapling technique (DST) anastomosis and first reported its benefit in the surgical time and the burden on the assistant. Moreover, transanal total mesorectal excision (TaTME) for lower rectal cancer has attracted much attention due to emphasis on oncological safety and functional preservation. Even in TaTME, fixation of the anvil for single-stapling technique (SST) anastomosis is usually performed extracorporeally through the perineum, but in some cases, bulky tumor and/or narrow pelvis can make it difficult to get the specimen out of the perineum.</p>\u0000 </section>\u0000 \u0000 <section>\u0000 \u0000 <h3> Materials and Surgical Technique</h3>\u0000 \u0000 <p>We first introduce and report complete intracorporeal SST anastomosis in robotic low rectal cancer surgery with TaTME using a novel detachable purse-string instrument (PSI). The proximal mesentery is excised with a vessel sealer under pneumoperitoneum. Detachable PSI and anvil head are inserted into the body through the planned ileostomy site for SLAR with AV less than 5 cm. After fixation of the anvil to the proximal intestinal stump with the detachable PSI, the specimen is exteriorized from the same site. SST anastomosis with the rectal stump is performed using a Powered Stapler.</p>\u0000 </section>\u0000 \u0000 <section>\u0000 \u0000 <h3> Conclusion</h3>\u0000 \u0000 <p>When it is difficult to remove the specimen from the perineum, this minimally invasive technique using a detachable PSI may be an option for SST anastomosis in robotic rectal cancer surgery with TaTME.</p>\u0000 </section>\u0000 </div>","PeriodicalId":47019,"journal":{"name":"Asian Journal of Endoscopic Surgery","volume":"18 1","pages":""},"PeriodicalIF":0.9,"publicationDate":"2025-06-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144256020","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":"First Case Report of Robotic-Assisted Surgery for a Choledochal Cyst in a Pediatric Patient Using the da Vinci SP","authors":"Mikihiro Inoue,&nbsp;Mika Murayama,&nbsp;Tomonori Tsuchiya,&nbsp;Atsuki Naoe,&nbsp;Shunsuke Watanabe,&nbsp;Toshihiro Yasui,&nbsp;Yuichiro Uchida,&nbsp;Ichiro Uyama","doi":"10.1111/ases.70093","DOIUrl":"https://doi.org/10.1111/ases.70093","url":null,"abstract":"<div>\u0000 \u0000 <p>The da Vinci SP, a robotic surgical platform capable of single-port surgery, offers cosmetic advantages; however, its use in pediatric patients has been limited. This report presents the first da Vinci SP operation for a choledochal cyst in a 7-year-old girl with Type Ic disease. The procedure was completed in 300 min, including 192 min of console time, with no intraoperative complications. Postoperative recovery was uneventful, and the patient was discharged on postoperative day 7. The SP robot enables precise surgical interventions within small anatomical spaces without the need for extensive planning of port placement to avoid forceps interference. Additionally, its ability to adjust the position of the remote center expands the potential for a wide range of pediatric operations, particularly for surgeries in close proximity to target organs.</p>\u0000 </div>","PeriodicalId":47019,"journal":{"name":"Asian Journal of Endoscopic Surgery","volume":"18 1","pages":""},"PeriodicalIF":0.9,"publicationDate":"2025-06-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144244363","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":"Comparison of Robot-Assisted and Laparoscopic Right Hemicolectomy for Right-Sided Colon Cancer: A Report on the Short-Term Perioperative Outcomes Using Propensity Score Matching","authors":"Shunsuke Sakuraba,&nbsp;Mizuki Nishiko,&nbsp;Shingo Yamasaki,&nbsp;Kazumasa Nakamura,&nbsp;Kohei Koido,&nbsp;Takeshi Oshima,&nbsp;Hiroyuki Hazama,&nbsp;Kou Ohata,&nbsp;Hideyuki Kanemto","doi":"10.1111/ases.70097","DOIUrl":"https://doi.org/10.1111/ases.70097","url":null,"abstract":"<div>\u0000 \u0000 \u0000 <section>\u0000 \u0000 <h3> Background</h3>\u0000 \u0000 <p>Robot-assisted right hemicolectomy has gained popularity as a minimally invasive procedure that may provide precise lymph node dissection and reduced surgical stress. However, data comparing its advantages to conventional laparoscopic right hemicolectomy remain limited. This study aimed to clarify the safety and efficacy of robot-assisted right hemicolectomy for colon cancer.</p>\u0000 </section>\u0000 \u0000 <section>\u0000 \u0000 <h3> Methods</h3>\u0000 \u0000 <p>We retrospectively analyzed patients who underwent right hemicolectomy between January 2019 and December 2024. Patients who had open resections from the outset, emergency surgeries, or D1 or lower lymph node dissection were excluded. Propensity score matching balanced baseline characteristics such as age, sex, body mass index, ASA-PS, tumor location, and clinical stage. We compared perioperative outcomes between robot-assisted and laparoscopic groups.</p>\u0000 </section>\u0000 \u0000 <section>\u0000 \u0000 <h3> Results</h3>\u0000 \u0000 <p>A total of 158 patients met the criteria, and matched cohorts were created with comparable characteristics. There was no significant difference in Clavien–Dindo Grade II or higher complications or hospital stay length between groups. However, the robot-assisted group had lower intraoperative blood loss, higher intracorporeal anastomosis rates, and more extensive lymph node retrieval. Operative times were similar, and no conversions to open surgery occurred in the robot-assisted group.</p>\u0000 </section>\u0000 \u0000 <section>\u0000 \u0000 <h3> Conclusions</h3>\u0000 \u0000 <p>Robot-assisted right hemicolectomy can be performed safely without increasing postoperative complications or prolonging operative time. Its potential advantages—reduced blood loss and improved lymph node dissection—warrant further investigation in larger multicenter trials.</p>\u0000 </section>\u0000 </div>","PeriodicalId":47019,"journal":{"name":"Asian Journal of Endoscopic Surgery","volume":"18 1","pages":""},"PeriodicalIF":0.9,"publicationDate":"2025-06-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144244291","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":"Comparing Perioperative Outcomes Using Single and Multiple Robot Systems During the Learning Period for Robot-Assisted Radical Prostatectomy","authors":"Yuto Matsushita,&nbsp;Yoshihiro Tsuchiya,&nbsp;Gaku Ishikawa,&nbsp;Asuka Sano,&nbsp;Ayana Takemura,&nbsp;Shunsuke Watanabe,&nbsp;Kyohei Watanabe,&nbsp;Hiromitsu Watanabe,&nbsp;Keita Tamura,&nbsp;Daisuke Motoyama,&nbsp;Atsushi Otsuka,&nbsp;Teruo Inamoto","doi":"10.1111/ases.70095","DOIUrl":"https://doi.org/10.1111/ases.70095","url":null,"abstract":"<div>\u0000 \u0000 \u0000 <section>\u0000 \u0000 <h3> Introduction</h3>\u0000 \u0000 <p>This study aimed to assess the perioperative outcomes during the learning period for robot-assisted radical prostatectomy (RARP) using multiple surgical robot systems, namely hinotori and da Vinci, and compare them with those observed for surgeons trained using only da Vinci.</p>\u0000 </section>\u0000 \u0000 <section>\u0000 \u0000 <h3> Methods</h3>\u0000 \u0000 <p>This study included two surgeons who learned RARP using multiple robot systems (hinotori and da Vinci Xi [H&amp;D] group) and four surgeons who learned using only da Vinci (D group). We retrospectively collected data from the initial 25 cases of each surgeon. Perioperative outcomes, including the time using the robotic system, PSA recurrence, and urinary continence at 3 months after surgery, were compared between the two groups.</p>\u0000 </section>\u0000 \u0000 <section>\u0000 \u0000 <h3> Results</h3>\u0000 \u0000 <p>The patient characteristics were not significantly different between the two groups. The H&amp;D group surgeons had shorter experience as urologists and laparoscopic surgeons but had extensive experience as assistants of RARP, and the institutional experience with RARP was greater in the H&amp;D group. The perioperative outcomes, specifically the time using the robotic system, PSA recurrence rate, and pad-free rate at 3 months after surgery, did not significantly differ between the two groups. The multivariate analysis indicated that the time using the robotic system and pad-free rate were not significantly different between the two groups.</p>\u0000 </section>\u0000 \u0000 <section>\u0000 \u0000 <h3> Conclusions</h3>\u0000 \u0000 <p>The perioperative outcomes during the RARP learning period using both hinotori and da Vinci were not significantly different from those using only da Vinci; although the H&amp;D group surgeons in training were relatively younger, they had slightly more practice as RARP assistants at a more experienced institution.</p>\u0000 </section>\u0000 </div>","PeriodicalId":47019,"journal":{"name":"Asian Journal of Endoscopic Surgery","volume":"18 1","pages":""},"PeriodicalIF":0.9,"publicationDate":"2025-06-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144213779","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":"Critical Review of Risk Factors for Life-Threatening Complications After Colorectal Cancer Surgery: Insights and Concerns","authors":"Brijesh Sathian,&nbsp;Hanadi Al Hamad,&nbsp;Javed Iqbal","doi":"10.1111/ases.70094","DOIUrl":"https://doi.org/10.1111/ases.70094","url":null,"abstract":"","PeriodicalId":47019,"journal":{"name":"Asian Journal of Endoscopic Surgery","volume":"18 1","pages":""},"PeriodicalIF":0.9,"publicationDate":"2025-06-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144213780","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":"Delayed Laparoscopic Cholecystectomy With Fluorescent Cholangiography for Acute Cholecystitis: Is It Safe?","authors":"Tsuyoshi Igami,&nbsp;Takuya Ishikawa,&nbsp;Kentaro Yamao,&nbsp;Yasuyuki Mizutani,&nbsp;Yukihiro Yokoyama,&nbsp;Takashi Mizuno,&nbsp;Junpei Yamaguchi,&nbsp;Shunsuke Onoe,&nbsp;Masaki Sunagawa,&nbsp;Nobuyuki Watanabe,&nbsp;Shoji Kawakatsu,&nbsp;Hiroki Kawashima,&nbsp;Tomoki Ebata","doi":"10.1111/ases.70092","DOIUrl":"https://doi.org/10.1111/ases.70092","url":null,"abstract":"<div>\u0000 \u0000 \u0000 <section>\u0000 \u0000 <h3> Background</h3>\u0000 \u0000 <p>According to the Tokyo Guidelines 2018 (TG-18), delayed laparoscopic cholecystectomy (DLC) after recovering from acute cholecystitis (AC) is recommended for patients with poor status. Moreover, DLC for patients with good status remains controversial, and TG-18 does not include clinical questions regarding fluorescent cholangiography (FC). In this study, we evaluated the clinical value and safety of FC during DLC.</p>\u0000 </section>\u0000 \u0000 <section>\u0000 \u0000 <h3> Methods</h3>\u0000 \u0000 <p>We performed DLC in 226 patients after recovering from AC. The electronic medical records of these patients were retrospectively reviewed, focusing on preoperative assessment and intraoperative and postoperative outcomes. Biliary and/or arterial injuries were treated as intraoperative complications.</p>\u0000 </section>\u0000 \u0000 <section>\u0000 \u0000 <h3> Results</h3>\u0000 \u0000 <p>Of the study patients, 144 underwent DLC with FC. Among the remaining 82 patients who underwent DLC without FC, the rate of intraoperative complications was 7.3% (<i>n</i> = 6), which was significantly higher than in those who underwent DLC with FC (0%) (<i>p</i> = 0.002). The rate of conversion to open cholecystectomy during DLC with FC (1.4%) was significantly lower than that during DLC without FC (15.9%). The mean operative time was not significantly different between the patients who underwent DLC with and without FC (<i>p</i> = 0.503). The mean blood loss and postoperative complications in patients who underwent DLC with FC were significantly lower than those who underwent DLC without FC (<i>p</i> = 0.041 and <i>p</i> = 0.002, respectively).</p>\u0000 </section>\u0000 \u0000 <section>\u0000 \u0000 <h3> Conclusions</h3>\u0000 \u0000 <p>Utilizing FC can reduce intraoperative and postoperative complications, the conversion rate, and blood loss during DLC; therefore, DLC with FC is recognized as a safe procedure for patients with AC.</p>\u0000 </section>\u0000 </div>","PeriodicalId":47019,"journal":{"name":"Asian Journal of Endoscopic Surgery","volume":"18 1","pages":""},"PeriodicalIF":0.9,"publicationDate":"2025-06-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1111/ases.70092","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144206908","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":"Comparison of Step-Specific Operative Times Between the da Vinci Surgical System and the Hinotori Surgical Robot System in Robot-Assisted Radical Prostatectomy","authors":"Mitsugu Kanehira,&nbsp;Makoto Moriwaka,&nbsp;Ayato Ito,&nbsp;Ei Shiomi,&nbsp;Shuhei Ishii,&nbsp;Daiki Ikarashi,&nbsp;Shigekatsu Maekawa,&nbsp;Renpei Kato,&nbsp;Jun Sugimura,&nbsp;Wataru Obara","doi":"10.1111/ases.70091","DOIUrl":"https://doi.org/10.1111/ases.70091","url":null,"abstract":"<div>\u0000 \u0000 \u0000 <section>\u0000 \u0000 <h3> Introduction</h3>\u0000 \u0000 <p>The da Vinci surgical system (DVSS) has been the prevalent surgical robotic platform; however, novel systems, such as the hinotori surgical robot system (HSRS), are emerging. In this study, we compared the short-term surgical outcomes and step-specific operative times between the DVSS and HSRS for robot-assisted radical prostatectomy (RARP).</p>\u0000 </section>\u0000 \u0000 <section>\u0000 \u0000 <h3> Methods</h3>\u0000 \u0000 <p>Two experienced DVSS–RARP surgeons transitioned to HSRS–RARP. They performed 88 DVSS–RARP procedures between 2019 and 2022 and 42 HSRS–RARP procedures beginning in 2022. We compared the perioperative outcomes and step-specific operative times between the DVSS–RARP and the HSRS–RARP groups.</p>\u0000 </section>\u0000 \u0000 <section>\u0000 \u0000 <h3> Results</h3>\u0000 \u0000 <p>The perioperative and short-term postoperative outcomes were comparable between the two groups. The total operative and console times were significantly longer in the HSRS–RARP group than in the DVSS–RARP group (235 min vs. 200 min, <i>p</i> = 0.0001; 168.5 min vs. 142.5 min, <i>p</i> = 0.0008). Surgical steps, such as preparation, posterior dissection, Retzius space dissection, prostate removal, and reconstruction, were longer in the HSRS–RARP group compared to the DVSS–RARP group. No significant differences in the surgical step time of pelvic lymph node dissection and vesico-urethral anastomosis were observed between the two groups.</p>\u0000 </section>\u0000 \u0000 <section>\u0000 \u0000 <h3> Conclusion</h3>\u0000 \u0000 <p>Although HSRS–RARP exhibited short-term surgical outcomes comparable to those of DVSS–RARP, it required longer total operative and console times. Notably, technically demanding steps, such as pelvic lymph node dissection and vesico-urethral anastomosis, remained unaffected, suggesting that the DVSS–RARP skills can be transferred to HSRS–RARP professionals without major challenges.</p>\u0000 </section>\u0000 </div>","PeriodicalId":47019,"journal":{"name":"Asian Journal of Endoscopic Surgery","volume":"18 1","pages":""},"PeriodicalIF":0.9,"publicationDate":"2025-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144190986","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}