Surgery Today最新文献

{"title":"Handling performance of the novel Bi-curve and G-curve suture needle designs: An exploratory study.","authors":"Daiki Kimura, Susumu Shibasaki, Yusuke Watanabe, Tatsuhiko Harada, Yusuke Nakano, Shingo Akimoto, Masaya Nakauchi, Tsuyoshi Tanaka, Kazuki Inaba, Takeshi Takahara, Koki Otsuka, Ichiro Uyama, Koichi Suda","doi":"10.1007/s00595-026-03312-1","DOIUrl":"https://doi.org/10.1007/s00595-026-03312-1","url":null,"abstract":"<p><strong>Purpose: </strong>To improve the handling characteristics of suture needles, two novel needle designs, the Bi-curve and the G-curve, were developed by modifying conventional curvature designs.</p><p><strong>Methods: </strong>Ten surgeons with varying levels of experience performed standardized open and robotic suturing tasks using half-circle, Bi-curve, and G-curve needles in a simulation environment. Suturing times were evaluated under both conditions. Moreover, advanced laparoscopic suturing tasks were performed using a robotic system. Needle trajectory parameters, burst pressure resistance, and subjective assessments of manipulability were analyzed to assess technical performance and potential tissue impact.</p><p><strong>Results: </strong>During open forward suturing, both the Bi-curve and G-curve needles reduced suturing time significantly from that required with the half-circle needle, whereas no significant differences were observed among needle types in robotic suturing tasks. In advanced laparoscopic tasks, needle-passage quality scores were significantly higher for the Bi-curve and G-curve needles. Needle trajectory metrics and burst pressure resistance were comparable for all needle designs. Subjective evaluations revealed that no surgeon rated the novel needles as inferior to the conventional needle in terms of manipulability.</p><p><strong>Conclusions: </strong>In this exploratory study, the Bi-curve and G-curve needles demonstrated handling performance comparable to, and in some aspects favorable to, that of the conventional half-circle needle, without causing more tissue damage.</p>","PeriodicalId":22163,"journal":{"name":"Surgery Today","volume":" ","pages":""},"PeriodicalIF":1.6,"publicationDate":"2026-05-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147843017","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Preoperative D-dimer as a predictor of venous thromboembolism after laparoscopic gastric and colorectal cancer surgery: findings from the EnoLap trial.","authors":"Yosuke Ohno, Nobuki Ichikawa, Tadashi Yoshida, Shigenori Homma, Ryoichi Yokota, Yoshiaki Maeda, Kengo Shibata, Ken Imaizumi, Shunji Sano, Takahisa Ishikawa, Hiroki Shomura, Kazuhito Uemura, Hirofumi Kamachi, Akinobu Taketomi","doi":"10.1007/s00595-026-03308-x","DOIUrl":"https://doi.org/10.1007/s00595-026-03308-x","url":null,"abstract":"<p><strong>Purpose: </strong>Venous thromboembolism (VTE) is a potentially serious complication after surgery for gastrointestinal cancer; however, its risk factors following laparoscopic surgery remain unclear. This study aimed to identify the risk factors for postoperative VTE in patients undergoing laparoscopic gastrectomy or colectomy.</p><p><strong>Methods: </strong>We analyzed data, retrospectively, from patients enrolled in the multicenter randomized EnoLap-CG trial, who underwent laparoscopic gastrectomy or colectomy. All patients underwent protocol-mandated contrast-enhanced computed tomography (CT) on postoperative day (POD) 7 to screen for VTE.</p><p><strong>Results: </strong>Postoperative VTE was identified in 19 (4.6%) of 410 patients. The preoperative D-dimer level was significantly higher in the VTE group than in the no- VTE group (1.40 µg/mL vs. 0.76 µg/mL; p < 0.01). The incidence of VTE was higher in women than in men (7.2% vs. 2.9%; p = 0.05). Multivariate logistic regression analysis demonstrated that an elevated preoperative D-dimer level (OR, 1.89; 95% CI, 1.28-2.80; p < 0.01) and female sex (OR, 2.64; 95% CI, 1.02-6.85; p < 0.01) were independent risk factors for VTE.</p><p><strong>Conclusions: </strong>An elevated preoperative D-dimer level and female sex are independent risk factors for postoperative VTE after laparoscopic gastric and colorectal cancer surgery.</p>","PeriodicalId":22163,"journal":{"name":"Surgery Today","volume":" ","pages":""},"PeriodicalIF":1.6,"publicationDate":"2026-05-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147821125","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Efficacy and safety of PuraStat^® for exudative hemorrhaging at the pulmonary artery stump.","authors":"Shinya Katsumata, Keigo Matsushima, Hayato Konno, Koki Maeda, Mitsuhiro Isaka, Hideaki Kojima, Kenta Murotani, Miho Naito, Daisuke Yamaguchi, Momoko Asami, Tatsuya Masuda, Kazuki Hayasaka, Naoya Yokomakura, Yasuhisa Ohde","doi":"10.1007/s00595-025-03168-x","DOIUrl":"10.1007/s00595-025-03168-x","url":null,"abstract":"<p><strong>Purpose: </strong>We assessed the efficacy and safety of Purastat^®, a novel synthetic hemostat, for the treatment of exudative hemorrhaging in pulmonary artery (PA) stumps.</p><p><strong>Methods: </strong>This single-arm prospective interventional study included eligible patients scheduled for anatomical pulmonary resection. Purastat^® was applied intraoperatively to patients with exudative hemorrhaging at the PA stump, where hemorrhaging persisted despite 30 s of compression following dissection with an automatic suturing device. The primary endpoint was the rate of additional hemostatic treatment required, with a prespecified threshold of 25%. The secondary endpoints included the time to achieve hemostasis, rate of postoperative rebleeding, and adverse events.</p><p><strong>Results: </strong>Sixty-four patients were enrolled, and 80 PAs from 56 patients were dissected using an automatic suture device. Exudative hemorrhaging occurred in 31 PA stumps (38.8%), and hemorrhaging persisted after 30 s of compression in 23 cases (28.8%) in which Purastat^® was applied. The rate of additional hemostatic treatment required was 4.35% (95% confidence interval, 0%-19.0%; only 1 patient), meeting the prespecified threshold. The median time to achieve hemostasis was 30.0 s. No serious adverse events or postoperative rebleeding was observed.</p><p><strong>Conclusion: </strong>Hemostasis with Purastat^® for exudative hemorrhaging at the PA stumps was effective and had no serious safety concerns.</p>","PeriodicalId":22163,"journal":{"name":"Surgery Today","volume":" ","pages":"690-696"},"PeriodicalIF":1.6,"publicationDate":"2026-05-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145514156","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Current status and characteristics of work-related musculoskeletal disorders among general surgeons in japan: a cross-sectional survey at a university hospital and its affiliated regional hospitals.","authors":"Hideki Sasanuma, Hiroshi Kawahira, Hironori Yamaguchi, Joji Kitayama, Naohiro Sata","doi":"10.1007/s00595-025-03174-z","DOIUrl":"10.1007/s00595-025-03174-z","url":null,"abstract":"<p><strong>Purpose: </strong>There is limited awareness of work-related musculoskeletal disorders (MSDs) in Japan, despite the high ergonomic risks for surgeons. We conducted this study to investigate the prevalence, characteristics, and impact of MSDs on Japanese general surgeons.</p><p><strong>Methods: </strong>An electronic survey of 136 general surgeons at a Japanese university hospital network used a modified Nordic Musculoskeletal Questionnaire to assess demographics, work factors, MSD symptoms, psychological distress, use of nonsteroidal anti-inflammatory drugs (NSAIDs), and their impact.</p><p><strong>Results: </strong>Based on a 56.6% response rate, we found a high prevalence of chronic (37.7%) and acute (51.9%) MSDs. These disorders frequently impacted surgeons' work (30.0%) and daily life (39.0%), leading to time off (5.2%) and medical intervention (28.6%). Both MSD types correlated significantly with the use of NSAIDs and psychological distress. Notably, neck pain was strongly associated with the use of NSAIDs. The proportion of minimally invasive surgical procedures performed each week was associated significantly with acute, but not chronic, MSDs.</p><p><strong>Conclusions: </strong>MSDs are highly prevalent among Japanese surgeons, impacting their physical and psychological health. The high symptom prevalence and the strong association between neck pain and NSAID reliance underscore the urgent need for ergonomic interventions and preventive strategies in surgical practice to protect this essential workforce.</p>","PeriodicalId":22163,"journal":{"name":"Surgery Today","volume":" ","pages":"697-706"},"PeriodicalIF":1.6,"publicationDate":"2026-05-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC13090198/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145514048","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"A comparison of laparoscopic and robotic distal pancreatectomy with spleen and Splenic vessels preservation: an intention-based evaluation in a single-center retrospective study.","authors":"Katsuya Ami, Keiko Kamei, Masaya Nakano, Chihoko Nobori, Yuta Yoshida, Kentaro Tai, Takaaki Murase, Atsushi Takebe, Ippei Matsumoto","doi":"10.1007/s00595-025-03190-z","DOIUrl":"10.1007/s00595-025-03190-z","url":null,"abstract":"<p><strong>Purpose: </strong>To compare the short-term outcomes of robotic distal pancreatectomy (RDP) and laparoscopic distal pancreatectomy (LDP), with a particular focus on the actual completion rates of spleen and splenic vessels preservation preoperatively.</p><p><strong>Methods: </strong>Fifty-two RDP and 87 LDP procedures performed between 2014 and 2024 were retrospectively analyzed.</p><p><strong>Results: </strong>The operative time was significantly longer for RDP than for LDP (median 407 min vs. 320 min, p < 0.0001), whereas the intraoperative blood loss was significantly lower (median 70 mL vs. 100 mL, p = 0.011). The rate of conversion to open surgery was also lower for RDP (2% vs. 10%, p = 0.042). The spleen preservation rate, defined as the proportion of cases in which spleen preservation was achieved preoperatively, was 100% (12/12) and 92% (23/25) in the RDP and LDP groups, respectively (p = 0.203). The splenic vessels preservation rate was significantly higher with RDP (100% [10/10]) than with LDP (67% [16/24]; p = 0.011). Postoperative complication rates did not differ significantly between the two groups.</p><p><strong>Conclusions: </strong>Compared with LDP, RDP was associated with significantly reduced intraoperative blood loss, a lower conversion rate to open surgery, and a higher success rate in splenic vessels preservation, suggesting the technical advantages of RDP.</p>","PeriodicalId":22163,"journal":{"name":"Surgery Today","volume":" ","pages":"799-806"},"PeriodicalIF":1.6,"publicationDate":"2026-05-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145565635","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Japanese clinical practice guidelines for vascular tumors, vascular malformations, lymphatic malformations, and lymphangiomatosis 2022.","authors":"Yoshiaki Kinoshita, Kosuke Ishikawa, Sadanori Akita, Katsuyoshi Koh, Satoru Sasaki, Masatoshi Jinnin, Hidefumi Mimura, Keigo Osuga, Michio Ozeki, Michiko Nagahama, Akihiro Fujino, Yoko Aoki, Akiko Asai, Noriko Aramaki-Hattori, Ryohei Ishiura, Masanori Inoue, Yuki Iwashina, Takafumi Ohshiro, Keiko Ogawa, Mine Ozaki, Junko Ochi, Shiro Onozawa, Motoi Kato, Takahide Kaneko, Tamihiro Kawakami, Akira Kitagawa, Masakazu Kurita, Yoshihiro Kuwano, Taro Kono, Shien Seike, Shinsuke Takagi, Nobuyuki Takakura, Takao Tachibana, Shuichi Tanoue, Kumiko Chuman, Hiroki Nakaoka, Yasuhiro Nakamura, Fumio Nagai, Yasunari Niimi, Shunsuke Nosaka, Taiki Nozaki, Tadashi Nomura, Kazuki Hashimoto, Ayato Hayashi, Satoshi Hirakawa, Takeshi Hirabayashi, Taizo Furukawa, Hiroshi Furukawa, Yumiko Hori, Takanobu Maekawa, Kentaro Matsuoka, Hideki Mori, Eiichi Morii, Akira Morimoto, Yuta Moriwaki, Shunsuke Yuzuriha, Naoaki Rikihisa, Munezumi Fujita, Yasuyuki Yamahana, Kyoichi Deie, Asami Tozawa, Daisuke Hasegawa, Akira Higashiyama, Daisuke Maeda, Sachiko Asayama, Yuhki Arai, Yohei Iwata, Mayu Uka, Hidehito Usui, Mizuki Uchiyama, Saori Endo, Hideki Endo, Rintaro Ono, Naoya Oshima, Toshihiro Otsuka, Kuniaki Ohara, Shinji Kagami, Tomo Kakihara, Mototoshi Kato, Hiroki Kanamori, Masafumi Kamata, Ami Kawaguchi, Akiko Kishi, Hiroshi Kitagawa, Kiyokazu Kim, Tamotsu Kobayashi, Takeshi Saito, Yusuke Shikano, Shuichi Shimada, Keisuke Suzuki, Masataka Takahashi, Shohei Takami, Reiko Takeda, Aya Tanaka, Kaishu Tanaka, Satoru Tamura, Masashi Tamura, Kanako Danno, Kenji Tsuboi, Yuta Nakajima, Ryo Nakatani, Miho Noguchi, Akifumi Nozawa, Naoki Hashizume, Masashi Hayakawa, Daichi Hayashi, Takaya Fukumoto, Mamoru Honda, Norifumi Matsuda, Hayato Maruguchi, Naoki Murakami, Kiichiro Yaguchi, Shiho Yasue, Hiroki Yoshihara, Rika Yoshimatsu, Kiyohito Yamamoto, Shinji Wada","doi":"10.1007/s00595-025-03211-x","DOIUrl":"10.1007/s00595-025-03211-x","url":null,"abstract":"<p><p>The objective was to prepare guidelines to perform the current optimum treatment by organizing effective and efficient treatments of hemangiomas and vascular malformations, confirming the safety, and systematizing treatment, employing evidence-based medicine techniques and aimed at improvement of the outcomes. Clinical questions (CQs) were decided based on the important clinical issues. For document retrieval, key words for literature searches were set for each CQ and literature published from 1980 to the end of December 2020 was searched in PubMed, and Japana Centra Revuo Medicina (JCRM). The strengths of evidence and recommendations acquired by systematic reviews were determined following the Medical Information Network Distribution Service (Minds) technique. A total of 38 CQs were used to compile recommendations and the subjects included efficacy of resection, sclerotherapy/embolization, drug therapy, laser therapy, radiotherapy, and other conservative treatment, differences in appropriate treatment due to the location of lesions and among symptoms, appropriate timing of treatment and tests, pathological diagnosis deciding the diagnosis, and causal genes of vascular anomalies. Thus, the Japanese clinical practice guidelines for vascular tumors, vascular malformations, lymphatic malformations, and lymphangiomatosis 2022 have been prepared as the evidence-based guidelines for the management of vascular anomalies.</p>","PeriodicalId":22163,"journal":{"name":"Surgery Today","volume":" ","pages":"567-672"},"PeriodicalIF":1.6,"publicationDate":"2026-05-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC13090297/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147532857","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Risk factors for postoperative swallowing dysfunction in elderly patients undergoing gastrointestinal cancer surgery: A retrospective cohort study.","authors":"Shiori Yoshiyama, Ryohei Kawabata, Haruna Yamaguchi, Mamiko Fujiwara, Norihisa Matsukawa, Masaru Kitamura, Tomohira Takeoka, Hisashi Hara, Terukazu Yoshihara, Akihiro Kitagawa, Hideo Tomihara, Atsushi Naito, Masahiro Murakami, Shingo Noura, Atsushi Miyamoto","doi":"10.1007/s00595-025-03185-w","DOIUrl":"10.1007/s00595-025-03185-w","url":null,"abstract":"<p><strong>Purposes: </strong>Postoperative swallowing dysfunction is a complication that adversely affects elderly patients undergoing gastrointestinal cancer surgery. However, the perioperative changes in swallowing function and their predictive factors remain unclear.</p><p><strong>Methods: </strong>The subjects of this retrospective analysis were 170 patients aged ≥ 65 years who underwent gastrointestinal cancer surgery and screened positively for sarcopenia and/or cognitive or swallowing concerns. Swallowing function was assessed using the Fujishima Eating and Swallowing Ability Grade (Fujishima Grade), a 10-point scale commonly used in Japan, at four perioperative time points. Dysfunction was defined as Grade ≤ 7 on postoperative day (POD) 1. Predictors were identified using univariate and multivariate logistic regression.</p><p><strong>Results: </strong>Swallowing dysfunction developed in 63 patients (37.1%). The median grade declined on POD1 and improved by POD7 and on discharge. Among those with dysfunction, 21.0% remained at grade 7 on discharge. These patients had significantly lower cognitive scores (p < 0.001). Multivariate analysis identified age ≥ 75 years (OR 2.56, p = 0.034), sarcopenia (OR 2.13, p = 0.048), MMSE (Mini-Mental State Examination) ≤ 23 (OR 3.09, p = 0.007), and preoperative Fujishima Grade 8 (OR 2.48, p = 0.011) as independent predictors.</p><p><strong>Conclusions: </strong>Swallowing function declines transiently after gastrointestinal cancer surgery in elderly patients. Older age, sarcopenia, MMSE ≤ 23, and preoperative Fujishima Grade 8 are independent predictors of postoperative swallowing dysfunction.</p>","PeriodicalId":22163,"journal":{"name":"Surgery Today","volume":" ","pages":"772-780"},"PeriodicalIF":1.6,"publicationDate":"2026-05-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145550991","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Perineal body reconstruction surgery for a cloaca-like deformity following vaginal delivery: a case series of seven patients.","authors":"Koichiro Murakami, Yumi Nishimura, Tomoyuki Mizukuro","doi":"10.1007/s00595-025-03193-w","DOIUrl":"10.1007/s00595-025-03193-w","url":null,"abstract":"<p><strong>Purpose: </strong>A cloaca-like deformity following vaginal delivery is a rare obstetric complication that significantly impacts the patient's quality of life. No standard treatment protocols have yet been established, with some centers advocating diverting colostomy. This study aimed to evaluate the efficacy and safety of primary perineal body reconstruction without colostomy.</p><p><strong>Methods: </strong>We retrospectively analyzed seven consecutive cases of post-delivery cloaca-like deformities treated with primary perineal body reconstruction between June 2022 and September 2024. The outcome measures included operative time, blood loss, complications, functional outcomes using the Wexner incontinence scores, and the recurrence rate.</p><p><strong>Results: </strong>All patients underwent a successful one-stage repair. The median operative time was 110 min (range: 85-168), and the median blood loss was 131 ml (range: 60-610). One patient (14.3%) experienced minor wound dehiscence that was conservatively managed. The postoperative hospital stay was 8 days in all cases. The Wexner incontinence scores improved significantly from a preoperative median of 12 (range: 5-17) to postoperative 4 (range: 0-14) (p < 0.0223). The sexual function improved in all cases, with two patients achieving subsequent pregnancy and delivery. No recurrence was observed during a mean follow-up of 9.7 ± 2.9 months.</p><p><strong>Conclusion: </strong>Primary perineal body reconstruction is a safe and effective treatment option for post-delivery cloaca-like deformities, thereby avoiding the need for diverting colostomy in appropriately selected patients. However, given the small sample size and retrospective nature of this study, our conclusions remain tentative.</p>","PeriodicalId":22163,"journal":{"name":"Surgery Today","volume":" ","pages":"807-814"},"PeriodicalIF":1.6,"publicationDate":"2026-05-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145565752","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Incidence of incisional hernia following open repair for an abdominal aortic aneurysm in Japanese patients.","authors":"Takahiro Ohmori, Arudo Hiraoka, Yuki Yoshioka, Satoru Kishimoto, Genta Chikazawa, Hidenori Yoshitaka","doi":"10.1007/s00595-025-03175-y","DOIUrl":"10.1007/s00595-025-03175-y","url":null,"abstract":"<p><strong>Purpose: </strong>The actual incidence of incisional hernia (IH) after abdominal aortic aneurysm repair in Japanese patients is unknown. This study examined the incidence of IH after aortic reconstruction surgery.</p><p><strong>Methods: </strong>Patients who underwent elective midline laparotomy for AAA at a single institution between November 2012 and September 2021 were retrospectively analyzed. The primary endpoint was IH diagnosed by physical examination and CT.</p><p><strong>Results: </strong>A total of 285 patients were analyzed. The median follow-up was 3.7 years (interquartile range: 1.6-5.9 years). 67 patients (23.5%) developed IH; of these patients, 16 (23.9%) underwent hernia repair. The cumulative incidence of IH was 28.0% at five years. According to a multivariate analysis, body mass index (BMI) was identified as an independent risk factor for IH (hazard ratio, 1.22; 95% confidence interval: 1.13-1.32, p < 0.001). Obese patients with BMI ≥ 25 kg/m² had a significantly higher incidence of IH than normal-weight patients with BMI of 18.5 to 25 kg/m² (5-year cumulative incidence: 44.5% vs. 22.1%, p = 0.001), and underweight patients with BMI < 18.5 kg/m² had no IH.</p><p><strong>Conclusion: </strong>Approximately half of all obese patients developed IH within 5 years, although underweight patients had no IH.</p>","PeriodicalId":22163,"journal":{"name":"Surgery Today","volume":" ","pages":"728-735"},"PeriodicalIF":1.6,"publicationDate":"2026-05-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145542700","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Preoperative brain natriuretic peptide levels are associated with postoperative all-cause mortality in patients with lung cancer.","authors":"Shinya Otsuka, Haruhiko Shiiya, Ryo Takagi, Kazufumi Okada, Akihiro Sasaki, Kazuto Ohtaka, Aki Fujiwara-Kuroda, Hideki Ujiie, Masato Aragaki, Tatsuya Kato","doi":"10.1007/s00595-025-03108-9","DOIUrl":"10.1007/s00595-025-03108-9","url":null,"abstract":"<p><strong>Purpose: </strong>Serum levels of cardiovascular markers, including brain natriuretic peptide (BNP), are associated with the prognosis of cancer patients. This study examined the relationship between the preoperative blood BNP level and the long-term prognosis after curative lung cancer resection.</p><p><strong>Methods: </strong>Patients who underwent radical resection for lung cancer at our institution between January 2012 and June 2019 were divided into the high- (≥ 18.5 pg/ml) and low- (< 18.5 pg/ml) BNP groups. Kaplan-Meier curves were used to analyze the postoperative overall survival (OS) and relapse-free survival (RFS). The cumulative incidence function (CIF) was analyzed using the Gray's test. Univariate and multivariate Cox proportional hazards models were used to identify independent predictors of the OS.</p><p><strong>Results: </strong>The postoperative OS was significantly worse in the high-BNP group than in the low-BNP group (p = 0.03), but there was no statistically significant difference in the RFS (p = 0.09). A CIF analysis indicated that non-cancer-related deaths had a greater impact on the RFS than cancer recurrence. Blood BNP levels possibly affected the OS independently (hazard ratio, 1.50).</p><p><strong>Conclusions: </strong>Preoperative BNP levels in patients with lung cancer may indicate a potentially compromised condition and can be associated with the postoperative OS. However, the link between the BNP level and lung cancer severity remains unclear.</p>","PeriodicalId":22163,"journal":{"name":"Surgery Today","volume":" ","pages":"707-720"},"PeriodicalIF":1.6,"publicationDate":"2026-05-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145542662","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}