Qiang Guo, Yuan He, Shai Chen, Sheng Hu, Silin Wang, Lang Su, Wenxiong Zhang, Jianjun Xu, Yiping Wei, Guiping Luo
{"title":"Development and validation of nomogram for predicting the cancer-specific survival among patients aged 80 and above with early-stage non-small cell lung cancer.","authors":"Qiang Guo, Yuan He, Shai Chen, Sheng Hu, Silin Wang, Lang Su, Wenxiong Zhang, Jianjun Xu, Yiping Wei, Guiping Luo","doi":"10.1111/ans.19266","DOIUrl":"https://doi.org/10.1111/ans.19266","url":null,"abstract":"<p><strong>Background: </strong>The use of nomograms in predicting the prognosis of early-stage non-small cell lung cancer (NSCLC), particularly in elderly patients, is not widespread. A validated prognostic model specifically for NSCLC patients over 80 years old holds promising potential for clinical application in forecasting patient outcomes.</p><p><strong>Methods: </strong>The prognostic value of various factors for NSCLC patients aged 80 and above was evaluated using data from the Surveillance, Epidemiology, and End Results (SEER) database (2010-2017). Kaplan-Meier (KM) curves, Cox proportional hazards regression models, and nomogram were utilized to evaluate the impact of each factor on cancer-specific survival (CSS).</p><p><strong>Results: </strong>A cohort comprising 7045 individuals was selected for inclusion in the analysis. Through rigorous statistical analysis, 10 independent prognostic factors were identified and incorporated into the nomogram. The nomogram's receiver operating characteristic (ROC) curve area under the curve (AUC) was higher than that of the AJCC 7th edition TNM staging system's predicted CSS (0.744 versus 0.602), establishing the superior prognostic value of the nomogram.</p><p><strong>Conclusions: </strong>We have successfully created a highly accurate and discriminative nomogram that enables oncologists to predict the survival outcome of each individual patient with I/II NSCLC who is 80 years or older.</p>","PeriodicalId":8158,"journal":{"name":"ANZ Journal of Surgery","volume":" ","pages":""},"PeriodicalIF":1.5,"publicationDate":"2024-10-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142399202","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}
Jamie Rickward, Iman Hameed, Simon Ho, Shiran Wijeratne
{"title":"Day case laparoscopic cholecystectomy: a review of patient selection factors and identification of potential barriers to same-day discharge.","authors":"Jamie Rickward, Iman Hameed, Simon Ho, Shiran Wijeratne","doi":"10.1111/ans.19241","DOIUrl":"https://doi.org/10.1111/ans.19241","url":null,"abstract":"<p><strong>Background: </strong>Day-case laparoscopic cholecystectomy (DCLC) is a useful tool for minimizing hospital admissions and prolonged presurgical wait times in suitable patient cohorts. There have been many international studies to support this finding and an increasing interest has grown in implementation in Australia. This review aims to provide clarity how to best implement this tool in gallbladder disease patient demographic.</p><p><strong>Observations: </strong>This literature review evaluates studies on day-case cholecystectomy procedures, focusing on patient factors, procedural aspects, surgical morbidity, and systemic implications. It explores inclusion and exclusion criteria for day-case suitability, factors influencing same-day discharge, reasons for hospital admission, pain management, patient quality of life, patient satisfaction, and cost implications.</p><p><strong>Conclusions: </strong>DCLC, when selected judiciously, is a safe alternative to overnight stay procedures for cholecystectomy with comparable surgical outcomes and patient satisfaction, affirming its viability. Strict patient selection criteria can aid in optimizing the successful implementation procedure, reducing unexpected admissions and readmissions and we have demonstrated useful criteria for guidance in establishing day-case laparoscopic cholecystectomy protocol at a hospital.</p>","PeriodicalId":8158,"journal":{"name":"ANZ Journal of Surgery","volume":" ","pages":""},"PeriodicalIF":1.5,"publicationDate":"2024-10-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142387503","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}
Jonathan W Serpell, Zelia K Chiu, Edward Forrest, James C Lee
{"title":"Outcomes of a modified technique of partial parotidectomy and novel parotid tumour position classification from a single surgeon prospective database.","authors":"Jonathan W Serpell, Zelia K Chiu, Edward Forrest, James C Lee","doi":"10.1111/ans.19261","DOIUrl":"https://doi.org/10.1111/ans.19261","url":null,"abstract":"<p><strong>Background: </strong>Conservative parotidectomy for benign tumours reduces facial nerve palsy, without increasing local recurrence. We report a modified technique of partial parotidectomy and using a novel description of tumour position, explore relationships between tumour position and histological margins, facial nerve palsy and local recurrence.</p><p><strong>Methods: </strong>A prospectively collected single surgeon parotidectomy database was analysed, including tumour location (superficial/deep lobe; central/peripheral) and outcomes. A partial parotidectomy identified the facial nerve and the proximal portion of its branches with a macroscopically clear resection margin. Mean follow up was 5.9 years for pleomorphic adenomas.</p><p><strong>Results: </strong>Three hundred and three patients underwent parotidectomy; 257 (84.8%) were superficial and 46 (15.2%) deep lobe. Tumour position was recorded in 291: 236 (81.1%) were peripheral tumours and 55 (18.9%) central. Histological margin involvement was similar in central and peripheral tumours, both overall and for superficial and deep lobe tumours, but was commoner in central deep lobe tumours, (P = 0.003). Temporary partial facial nerve palsy occurred in 21 (6.9%), with one permanent partial nerve palsy (0.3%). Deep lobe tumours and total parotidectomy were associated with facial nerve palsy (P = 0.01). Facial nerve monitoring reduced the risk of palsy (P < 0.01). Local recurrence of pleomorphic adenomas was uncommon, occurring in 3 (2.0%) of 151 patients.</p><p><strong>Conclusion: </strong>This series confirms the safety and adequacy of more conservative partial parotidectomy for benign tumours, highlighting most tumours are peripheral, but not more prone to histological margin involvement or local recurrence, and with routine intraoperative facial nerve monitoring, is achieved with low facial nerve palsy rates.</p>","PeriodicalId":8158,"journal":{"name":"ANZ Journal of Surgery","volume":" ","pages":""},"PeriodicalIF":1.5,"publicationDate":"2024-10-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142387504","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}
Tianrui Ren BMedSc (Hons) MD, Stephanie Manning MbChb, FRACS, James C. Lee FRACS, PHD, Jonathan Serpell MD, FRACS
{"title":"Delayed-onset vocal cord palsy after thyroidectomy occurring despite normal initial post-operative endoscopy","authors":"Tianrui Ren BMedSc (Hons) MD, Stephanie Manning MbChb, FRACS, James C. Lee FRACS, PHD, Jonathan Serpell MD, FRACS","doi":"10.1111/ans.19235","DOIUrl":"10.1111/ans.19235","url":null,"abstract":"<div>\u0000 \u0000 \u0000 <section>\u0000 \u0000 <h3> Background</h3>\u0000 \u0000 <p>Recurrent laryngeal nerve (RLN) injury is a known complication of thyroidectomy. Most cases manifest immediately and are promptly recognized. Rarely, some patients experience delayed-onset vocal cord palsy. This can occur despite normal findings on intra-operative nerve monitoring and initial post-operative endoscopy. This can cause considerable distress for patients, and its incidence and prognosis should be recognized.</p>\u0000 </section>\u0000 \u0000 <section>\u0000 \u0000 <h3> Methodology</h3>\u0000 \u0000 <p>We report seven patients experiencing delayed-onset RLN palsy (RLNP) after thyroidectomy. All had normal findings on pre-operative flexible nasoendoscopy (FNE), intra-operative nerve monitoring at conclusion of surgery, and initial post-operative FNE. All diagnoses of RLNP were confirmed on endoscopy. Serial FNE examinations were performed to evaluate recovery.</p>\u0000 </section>\u0000 \u0000 <section>\u0000 \u0000 <h3> Results</h3>\u0000 \u0000 <p>Of seven patients (43% male, median age 65 years), the median timing of delayed-onset RLNP was 12 (range 9–35) days. RLNP was diagnosed on the unilateral side of surgery in six out of seven patients (86%). All received conservative management, including referral to voice therapy. All seven patients recovered vocal cord function after a median duration of 24 weeks (range 8–52 weeks), and six within ~6 months (28 weeks). The incidence of this complication was 0.1% (among 6607 thyroidectomies).</p>\u0000 </section>\u0000 \u0000 <section>\u0000 \u0000 <h3> Conclusion</h3>\u0000 \u0000 <p>We report the first Australian series of delayed-onset vocal cord palsy after thyroidectomy. We explore its prognosis, discussing different pathophysiological mechanisms and the timeframe for recovery compared to most other RLN injuries. This may assist recognition of a rare complication, reassure patients, and facilitate early intervention to improve a patient's quality of life.</p>\u0000 </section>\u0000 </div>","PeriodicalId":8158,"journal":{"name":"ANZ Journal of Surgery","volume":"94 10","pages":"1794-1799"},"PeriodicalIF":1.5,"publicationDate":"2024-10-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1111/ans.19235","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142379910","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}
Aditya Sakalkale MBBCh, BAO, Shriranshini Satheakeerthy MBBS, MTrauma, Justin M. C. Yeung FRCSEd (Gen Surg), FRACS, Fiona Reid BMBS, FRACS
{"title":"From research to teaching: enhancing prevocational surgical training with part-time contracts","authors":"Aditya Sakalkale MBBCh, BAO, Shriranshini Satheakeerthy MBBS, MTrauma, Justin M. C. Yeung FRCSEd (Gen Surg), FRACS, Fiona Reid BMBS, FRACS","doi":"10.1111/ans.19267","DOIUrl":"10.1111/ans.19267","url":null,"abstract":"<p>Surgical training remains a challenging career pathway. Prevocational registrars fill service roles and spend time outside clinical duties, building upon their Surgical Education and Training (SET) applications, the accredited surgical training programme in Australasia. Balancing clinical responsibilities with academic endeavours demands meticulous organization. Research projects, didactic teaching and higher education such as a Masters or PhD, are difficult to complete whilst working full-time. Over the years, prevocational surgical registrars increasingly leave full-time employment (FTE) to achieve their desired portfolio. Leaving FTE could mean difficulty in sustaining mentorship, lack of academic structure, loss of clinical and technical skills, as well as financial constraints.<span><sup>1-3</sup></span> To the hospital, the loss of a surgical registrar from FTE to a non-clinical research year creates rostering issues and disruptions to surgical units. With the Royal Australasian College of Surgeons (RACS) supporting flexible hours among SET as well as prevocational trainees (usually post-graduate years 3–6+), hybrid employment may be necessary to address workforce needs and help trainees achieve their goals.<span><sup>2, 4</sup></span></p><p>Flexible training has been implemented for over a decade in SET trainees,<span><sup>5</sup></span> with 26 out of 1264 adopting part-time training in 2022.<span><sup>6</sup></span> However, literature is porous regarding the ‘lost tribe’ of prevocational doctors. Utilizing the <i>‘Flexible Training Toolkit’</i> published by RACS,<span><sup>7</sup></span> our institution created two standalone 0.5 full-time employment positions to address prevocational registrar attrition. The purpose of these positions is to guide trainees in meeting the selection criteria for SET and to maintain fundamental clinical skills. Part-academic prevocational roles have been implemented in PGY1 and 2 years in the United Kingdom and the Republic of Ireland with some success.<span><sup>8-10</sup></span> The hope is to emulate this success in senior positions. Whilst not a guarantee of SET training acceptance, it certainly focuses the trainee towards obtaining required research publications, presentations and at least 12 months of dedicated medical student teaching requirements.</p><p>The roles are set up as a 12-month contract, allowing for alternating three-month clinical / three-month non-clinical terms aligned with hospital-wide term rotation, or a six-month clinical / six-month non-clinical arrangement. A clinical term includes either working day shifts in a designated general surgical unit for a full term and performing all duties as normal for the unit to function (scrubbing for cases, admitting new patients and taking consults), or a reliever term, covering SET trainee leave, covering night duty and gaps in rostering. Bolstering the workforce pool with additional registrars familiar with the system rather than recruiti","PeriodicalId":8158,"journal":{"name":"ANZ Journal of Surgery","volume":"94 11","pages":"1891-1893"},"PeriodicalIF":1.5,"publicationDate":"2024-10-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1111/ans.19267","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142379911","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}
Abigail C Watson, Benjamin Voyvodic, Charmaine Woods, Linnett Sanchez, A Simon Carney
{"title":"The disease burden of untreated chronic otitis media in Indigenous children from remote communities does not improve over time. A longitudinal study.","authors":"Abigail C Watson, Benjamin Voyvodic, Charmaine Woods, Linnett Sanchez, A Simon Carney","doi":"10.1111/ans.19249","DOIUrl":"10.1111/ans.19249","url":null,"abstract":"<p><strong>Background: </strong>In Australia, middle ear disease disproportionately affects Indigenous children, leading to poor hearing outcomes. This study aimed to determine the natural history of untreated chronic otitis media in Indigenous children in remote South Australia.</p><p><strong>Methods: </strong>Baseline and 3 year follow-up data was collected from Indigenous children aged 5-18 years living on the Anangu Pitjantjatjara Yankunytjatjara Lands. 4-frequency pure-tone audiometry was used to determine hearing levels. Middle ear pathology was determined by video-otoscopy with tympanometry and classified at baseline as group 1 (normal), group 2 (abnormal with intact tympanic membrane), or group 3 (perforated tympanic membrane).</p><p><strong>Results: </strong>A total of 253 children were included in this study. Children in group 1 (20.6 ± 1.5 dBHL; Mean ± SD) had significantly better hearing outcomes at 3 year follow-up than children with abnormal ears (groups 2 and 3) (23.8 ± 7.0 dBHL), P < 0.001. The difference was greatest for group 1 versus 3 (27.6 ± 8.4 dBHL), P < 0.001, followed by 1 versus 2 (22.4 ± 5.8 dBHL), P = 0.009, and between 2 (22.4 ± 5.8 dBHL) and 3 (27.6 ± 8.4 dBHL), P < 0.001.</p><p><strong>Conclusion: </strong>Hearing in Indigenous children with untreated middle ear pathology remains poor at follow-up compared to those without pathology. Intervention is therefore critical to prevent persisting poor hearing outcomes.</p>","PeriodicalId":8158,"journal":{"name":"ANZ Journal of Surgery","volume":" ","pages":""},"PeriodicalIF":1.5,"publicationDate":"2024-10-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142379925","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":"A strangulated Meckel's diverticulum in a femoral hernia: a Littre's hernia.","authors":"Brittany Smith, Jordyn Dangen, Eva Juhasz","doi":"10.1111/ans.19263","DOIUrl":"https://doi.org/10.1111/ans.19263","url":null,"abstract":"","PeriodicalId":8158,"journal":{"name":"ANZ Journal of Surgery","volume":" ","pages":""},"PeriodicalIF":1.5,"publicationDate":"2024-10-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142379907","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}
Hannah Kim, Liam McRedmond, Paul McFarlin, Darren Ritchie, Pieter Heblij, Joel Dunn, Saxon Connor
{"title":"An anatomical analysis of liver volume and quality by ethnicity in a New Zealand population.","authors":"Hannah Kim, Liam McRedmond, Paul McFarlin, Darren Ritchie, Pieter Heblij, Joel Dunn, Saxon Connor","doi":"10.1111/ans.19255","DOIUrl":"10.1111/ans.19255","url":null,"abstract":"<p><strong>Background: </strong>Post-hepatectomy liver failure is a major cause of mortality, where future liver remnant (FLR) is the key controllable factor. Recommended minimum FLR is influenced by quality of liver parenchyma. Historical research has often failed to include Māori and Pacific Island (PI) populations despite worse health outcomes. Liver analysis by ethnicity is one such example of this. The aims were to determine digital FLR for various anatomical hepatectomies, investigate any correlations between computed tomography (CT) hepatic textural analysis and body mass index (BMI); and assess the variance of these relationships for different ethnicities.</p><p><strong>Method: </strong>One hundred and fifty-one patients who underwent abdominal CT scans at Burwood Hospital, Christchurch were retrospectively analysed. Māori and PI patients were selectively recruited to represent New Zealand's diversity. Liver volumetry, segmental ratio, and intra-hepatic fat deposits (IHFD) per ethnicity were examined.</p><p><strong>Results: </strong>Median age of the cohort was 66 (19-95) and 75 (50%) were males. 68%, 23% and 9% patients identified as being European, Māori/PI and Asian, respectively. No statistically significant difference in volume or segment/total volume ratio were noted across different ethnicities. Obese patients had higher IHFD compared with overweight and normal BMI groups. When stratified across ethnic groups, higher IHFD were observed in Asian compared with Māori/PI populations, despite lower BMI.</p><p><strong>Conclusion: </strong>No significant variances in liver volumetry were found across different ethnic groups in New Zealand. However association between BMI and IHFD varied across different ethnic cohorts. Consequently, knowledge of liver volumetry is not enough; patient liver quality and ethnicity should considered for hepatic-surgery planning.</p>","PeriodicalId":8158,"journal":{"name":"ANZ Journal of Surgery","volume":" ","pages":""},"PeriodicalIF":1.5,"publicationDate":"2024-10-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142379908","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}
Ahmet Akmercan, Tayfun Akmercan, Tevfik Kıvılcım Uprak
{"title":"Single-port laparoscopic reversal of Hartmann's procedure through the colostomy site: technical aspects and early postoperative outcomes.","authors":"Ahmet Akmercan, Tayfun Akmercan, Tevfik Kıvılcım Uprak","doi":"10.1111/ans.19271","DOIUrl":"https://doi.org/10.1111/ans.19271","url":null,"abstract":"<p><strong>Background: </strong>Single-port laparoscopic surgical approaches offer improved cosmetic outcomes and enhance recovery following surgery. The purpose of the study was to assess the reliability and efficacy of a single-port laparoscopic Hartmann's reversal(SPL-HR) through the colostomy site.</p><p><strong>Methods: </strong>Prospective data from consecutive patients who underwent SPL-HR between 2020 and 2024 was analysed. Once the colostomy was detached from abdominal wall, a single-port device was introduced through the colostomy site. After mobilizing the rectal stump and afferent colon, colorectal anastomosis was carried out using a circular stapler transanally under laparoscopic vision. Postoperative care and discharge decisions were made following the ERAS protocol. Patient demographics, details of Hartmann's procedure, intraoperative outcomes, and early postoperative outcomes were evaluated.</p><p><strong>Results: </strong>SPL-HR was successfully performed in 23 of 27 patients (85.1%), with a median operation time of 92 (50-172) min and a median blood loss of 100 (10-360) mL. Five patients (21.7%) experienced a postoperative complication. Two of them experienced grade 3a complications according to Clavien-Dindo classification: one with an intraabdominal abscess and one with a hematoma at the colostomy site, both requiring drainage under local anaesthesia. Anastomotic leak or mortality wasn't observed in patients. Functional recovery measures such as first flatus time and time to resuming a soft diet were favourable, with a median length of hospital stay of 4 (2-9) days.</p><p><strong>Conclusion: </strong>The SPL-HR technique is a reliable and efficient method that is easy to perform. It has acceptable complication rates while improving postoperative recovery and reducing the length of hospital stay.</p>","PeriodicalId":8158,"journal":{"name":"ANZ Journal of Surgery","volume":" ","pages":""},"PeriodicalIF":1.5,"publicationDate":"2024-10-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142379912","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}
Botian Zhao, Yuanyi Ding, Xuhua Hu, Peiyuan Guo, Bin Yu
{"title":"Assessing anatomical variations of the superior mesenteric artery via three-dimensional CT angiography and laparoscopic right hemicolectomy: a retrospective observational study.","authors":"Botian Zhao, Yuanyi Ding, Xuhua Hu, Peiyuan Guo, Bin Yu","doi":"10.1111/ans.19254","DOIUrl":"https://doi.org/10.1111/ans.19254","url":null,"abstract":"<p><strong>Objective: </strong>This study aimed to analyse the anatomical relationships and differences between the superior mesenteric vessels and their branches by reviewing a laparoscopic right hemicolectomy surgery video and comparing it with preoperative three-dimensional computed tomography (3D-CT) angiography and to verify the accuracy of 3D-CT vascular reconstruction techniques.</p><p><strong>Methods: </strong>Surgical videos and preoperative imaging data of 52 patients undergoing laparoscopic right hemicolectomy were analysed to observe and summarize the probability of occurrence and adjacency of superior mesenteric vascular branches, and the lengths of specific sites of their branches were measured using the above two methods.</p><p><strong>Results: </strong>Preoperative CT images and surgical video showed that the ileocolic artery (ICA) was present in 98.1% (51/52) and the ileocolic vein (ICV) was present in 100% (52/52), and ICA was present in 13.7% (7/51) of the ICV directly anteriorly, 13.7% (7/51) anteriorly superiorly, 3.9% (2/51) anteriorly inferiorly, 11.8% (6/51) directly posteriorly, 37.2% (19/51) post superiorly, and 19.7% (10/51) posteriorly inferiorly. In the surgical video, the probability of presence of the right colic artery (RCA) was 21.2% (11/52). On CT images, the RCA was present in 10 patients. The length of the origin of the middle colic artery (MCA) from its bifurcations was 2.33 ± 0.87 cm measured intraoperatively using a sterile isometric filament, and the length measured using 3D-CT vascular reconstruction was 2.36 ± 0.91 cm; the difference was not statistically significant (P = 0.348). The length of the MCA and ICA initiation points was 3.22 ± 0.75 cm measured intraoperatively using sterile isometric filaments and 3.36 ± 0.72 cm measured using 3D-CT vascular reconstruction, which was a statistically significant difference (P < 0.001).</p><p><strong>Conclusions: </strong>3D-CT vascular reconstruction can accurately predict the vessels related to right hemicolectomy in most cases. It is an important method for preoperative prediction of superior mesenteric vessels, which can guide surgeons in the intraoperative vessel identification.</p>","PeriodicalId":8158,"journal":{"name":"ANZ Journal of Surgery","volume":" ","pages":""},"PeriodicalIF":1.5,"publicationDate":"2024-10-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142379909","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}