Original Articles
Colorectal cancer
- Preventive efficacy of hydrocortisone enema for radiation proctitis in rectal cancer patients undergoing short-course radiotherapy: a phase II randomized placebo-controlled clinical trial
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Mohammad Mohammadianpanah, Maryam Tazang, Nam Phong Nguyen, Niloofar Ahmadloo, Shapour Omidvari, Ahmad Mosalaei, Mansour Ansari, Hamid Nasrollahi, Behnam Kadkhodaei, Nezhat Khanjani, Seyed Vahid Hosseini
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Ann Coloproctol. 2024;40(5):506-514. Published online October 22, 2024
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DOI: https://doi.org/10.3393/ac.2024.00192.0027
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Abstract
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- Purpose
This study aimed to investigate the efficacy of hydrocortisone enema in preventing radiation proctitis in patients with rectal cancer undergoing short-course radiotherapy (SCRT).
Methods
This phase II randomized controlled trial enrolled patients with newly diagnosed locally advanced rectal cancer (clinically staged T3–4 and/or N1–2M0). Participants received a median of 4 cycles of neoadjuvant chemotherapy (capecitabine plus oxaliplatin) followed by 3-dimensional conformal SCRT (25 Gy in 5 fractions). Patients were randomly assigned to receive either a hydrocortisone enema (n=50) or a placebo (n=51) once daily for 5 consecutive days during SCRT. The primary endpoint was the incidence and severity of acute proctitis.
Results
Of the 111 eligible patients, 101 were included in the study. Baseline characteristics, including sex, age, performance status, and tumor location, were comparable across the treatment arms. None of the patients experienced grade 4 acute gastrointestinal toxicity or had to discontinue treatment due to treatment-related adverse effects. Patients in the hydrocortisone arm experienced significantly less severe proctitis (P<0.001), diarrhea (P=0.023), and rectal pain (P<0.001) than those in the placebo arm. Additionally, the duration of acute gastrointestinal toxicity following SCRT was significantly shorter in patients receiving hydrocortisone (P<0.001).
Conclusion
Hydrocortisone enema was associated with a significant reduction in the severity of proctitis, diarrhea, and rectal pain compared to placebo. Additionally, patients treated with hydrocortisone experienced shorter durations of gastrointestinal toxicity following SCRT. This study highlights the potential benefits of hydrocortisone enema in managing radiation-induced toxicity in rectal cancer patients undergoing radiotherapy.
Anorectal benign disease
- Proctitis distal to colorectal anastomosis: a retrospective cohort study of an underreported complication after sigmoidectomy
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Ajmal Khan, Maziar Nikberg, Kenneth Smedh, Abbas Chabok
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Ann Coloproctol. 2024;40(5):498-505. Published online October 22, 2024
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DOI: https://doi.org/10.3393/ac.2023.00675.0096
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Abstract
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- Purpose
Proctitis distal to colorectal anastomosis is rare and infrequently reported. We evaluated the incidence, symptoms, treatment, and potential risk factors associated with this condition.
Methods
We conducted a retrospective population-based cohort study in Västmanland County, Sweden. This investigation included all patients who underwent sigmoidectomy with colorectal anastomosis between 2008 and 2020. We excluded patients without an anastomosis and those with inflammatory bowel disease.
Results
Of the 546 patients identified, 233 fulfilled the inclusion criteria, of whom 26 (11.2%) developed proctitis distal to colorectal anastomosis. The most frequent symptoms included urgency (n=16, 61.5%), increased stool frequency (n=12, 46.2%), and anorectal pain (n=12, 46.2%). Endoscopic balloon dilation was performed in 20 cases (76.9%), with 10 requiring only a single therapeutic procedure. The median number of dilations was 3 (range, 1–8). Multivariable analysis revealed that surgery due to malignancy and emergency surgery were associated with elevated risk of proctitis. A subgroup analysis of patients who underwent surgery due to malignancy indicated that smoking (odds ratio, 3.9; 95% confidence interval, 1.1–14.0) and emergency surgery (odds ratio, 6.5; 95% confidence interval, 1.1–37.1) were also associated with increased proctitis risk.
Conclusion
Proctitis distal to colorectal anastomosis is not uncommon following sigmoidectomy. Patients undergoing emergency surgery or surgery due to malignancy and who had a history of smoking displayed an increased risk of developing proctitis. Due to the paucity of symptoms observed, particularly in patients with a diverting stoma, routine endoscopic rectal examination should be performed during follow-up after sigmoidectomy.
Technical Note
Technical tips
- A unique surgical approach to the management of life-threatening, obscure lower gastrointestinal bleeding
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Nelson Chen, Tessa Daly, Neil Strugnell, Russell Hodgson, David Bird
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Ann Coloproctol. 2024;40(5):515-518. Published online October 17, 2024
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DOI: https://doi.org/10.3393/ac.2024.00101.0014
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Original Articles
Complication
- Early warning model to detect anastomotic leakage following colon surgery: a clinical observational study
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Pooya Rajabaleyan, Ravish Jootun, Sören Möller, Ulrik Deding, Mark Bremholm Ellebæk, Issam al-Najami, Ian Lindsey
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Ann Coloproctol. 2024;40(5):431-439. Published online October 8, 2024
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DOI: https://doi.org/10.3393/ac.2023.00745.0106
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Graphical Abstract
Abstract
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- Purpose
We aimed to develop a predictive tool for anastomotic leakage (AL) following colon cancer surgery by combining a clinical early warning score (EWS) with the C-reactive protein (CRP) level.
Methods
The records of 1,855 patients who underwent colon cancer surgery at the Oxford University Hospitals NHS Foundation Trust between January 2013 and December 2018, with or without AL, were retrospectively reviewed. EWS and CRP levels were assessed daily from the first postoperative day until discharge. AL was defined as an anastomotic defect observed at reoperation, the presence of feculent fluid in a pelvic drain, or evidence of AL on computed tomography. The tool incorporated postoperative EWS and CRP levels for the accurate early detection of AL.
Results
From postoperative days 3 to 7, the mean CRP level exceeded 200 mg/L in patients with AL and was under 200 mg/L in those without AL (P<0.05). From postoperative days 1 to 5, the mean EWS among patients with leakage exceeded 2, while scores were below 2 among those without leakage (P<0.05). Receiver operating characteristic curve analysis identified postoperative day 3 as the most predictive of early leakage, with cutoff values of 2.4 for EWS and 180 mg/L for CRP; this yielded an area under the curve of 0.87 (sensitivity, 90%; specificity, 70%).
Conclusion
We propose using an EWS of 2.4 and a CRP level of 180 mg/L on postoperative day 3 following colon surgery with anastomosis as threshold values to prompt investigation and treatment of AL.
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Citations
Citations to this article as recorded by
- Early detection of anastomotic leakage in colon cancer surgery: the role of early warning score and C-reactive protein
Gyung Mo Son
Annals of Coloproctology.2024; 40(5): 415. CrossRef
ERAS
- Impact of an Enhanced Recovery After Surgery (ERAS) program on the management of complications after laparoscopic or robotic colectomy for cancer
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Victoria Weets, Hélène Meillat, Jacques Emmanuel Saadoun, Marie Dazza, Cécile de Chaisemartin, Bernard Lelong
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Ann Coloproctol. 2024;40(5):440-450. Published online September 20, 2024
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DOI: https://doi.org/10.3393/ac.2023.00850.0121
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Graphical Abstract
Abstract
PDFSupplementary Material
- Purpose
Enhanced Recovery After Surgery (ERAS) reduces postoperative complications (POCs) after colorectal surgery; however, its impact on the management of POCs remains unclear. This study compared the diagnosis and management of POCs before and after implementing our ERAS protocol after laparoscopic or robotic colectomy for cancer and examined the short- and mid-term oncologic impacts.
Methods
This single-center, retrospective study evaluated all consecutive patients who underwent laparoscopic or robotic colectomy for cancer between 2012 and 2021, focusing on the incidence of POCs within 90 days. We compared outcomes before (standard group) and after (ERAS group) the implementation of our ERAS protocol in January 2016.
Results
Significantly fewer patients in the ERAS group developed POCs (standard vs. ERAS, 136 of 380 patients [35.8%] vs.136 of 660 patients [20.6%]; P<0.01). The ERAS group had a significantly shorter mean total length of stay after POCs (13.1 days vs. 11.4 days, P=0.04), and the rates of life-threatening complications (6.7% vs. 0.7%) and 1-year mortality (7.4% vs. 1.5%) were significantly lower in the ERAS group than in the standard group. Among patients with anastomotic complications, laparoscopic reoperation was significantly more common in the ERAS group than in the standard group (8.3% vs. 75.0%, P<0.01). Among patients with postoperative ileus, the diagnosis and recovery times were significantly shorter in the ERAS group than in the standard group, resulting in a shorter total length of stay (13.5 days vs. 10 days, P<0.01).
Conclusion
The implementation of an ERAS protocol did not eliminate all POCs, but it did accelerate their diagnosis and management and improved patient outcomes.
Colorectal cancer
- The impact of short-course total neoadjuvant therapy, long-course chemoradiotherapy, and upfront surgery on the technical difficulty of total mesorectal excision: an observational study with an intraoperative perspective
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Cheryl Xi-Zi Chong, Frederick H. Koh, Hui-Lin Tan, Sharmini Su Sivarajah, Jia-Lin Ng, Leonard Ming-Li Ho, Darius Kang-Lie Aw, Wen-Hsin Koo, Shuting Han, Si-Lin Koo, Connie Siew-Poh Yip, Fu-Qiang Wang, Fung-Joon Foo, Winson Jianhong Tan
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Ann Coloproctol. 2024;40(5):451-458. Published online September 19, 2024
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DOI: https://doi.org/10.3393/ac.2023.00899.0128
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Abstract
PDFSupplementary Material
- Purpose
Total neoadjuvant therapy (TNT) is becoming the standard of care for locally advanced rectal cancer. However, surgery is deferred for months after completion, which may lead to fibrosis and increased surgical difficulty. The aim of this study was to assess whether TNT (TNT-RAPIDO) is associated with increased difficulty of total mesorectal excision (TME) compared with long-course chemoradiotherapy (LCRT) and upfront surgery.
Methods
Twelve laparoscopic videos of low anterior resection with TME for rectal cancer were prospectively collected from January 2020 to October 2021, with 4 videos in each arm. Seven colorectal surgeons assessed the videos independently, graded the difficulty of TME using a visual analog scale and attempted to identify which category the videos belonged to.
Results
The median age was 67 years, and 10 patients were male. The median interval to surgery from radiotherapy was 13 weeks in the LCRT group and 24 weeks in the TNT-RAPIDO group. There was no significant difference in the visual analog scale for difficulty in TME between the 3 groups (LCRT, 3.2; TNT-RAPIDO, 4.6; upfront, 4.1; P=0.12). A subgroup analysis showed similar difficulty between groups (LCRT 3.2 vs. TNT-RAPIDO 4.6, P=0.05; TNT-RAPIDO 4.6 vs. upfront 4.1, P=0.54). During video assessments, surgeons correctly identified the prior treatment modality in 42% of the cases. TNT-RAPIDO videos had the highest recognition rate (71%), significantly outperforming both LCRT (29%) and upfront surgery (25%, P=0.01).
Conclusion
TNT does not appear to increase the surgical difficulty of TME.
Reviews
Colorectal cancer
- The role of lateral pelvic lymph node dissection in advanced rectal cancer: a review of current evidence and outcomes
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Gyu-Seog Choi, Hye Jin Kim
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Ann Coloproctol. 2024;40(4):363-374. Published online August 30, 2024
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DOI: https://doi.org/10.3393/ac.2024.00521.0074
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- Metastatic lateral pelvic lymph nodes (LPNs) in rectal cancer significantly impact the prognosis and treatment strategies. Western practices emphasize neoadjuvant chemoradiotherapy (CRT), whereas Eastern approaches often rely on LPN dissection (LPND). This review examines the evolving role of LPND in the context of modern treatments, including total neoadjuvant therapy (TNT), and the impact of CRT on the management of clinically suspicious LPNs. We comprehensively reviewed the key literature comparing the outcomes of LPND versus preoperative CRT for rectal cancer, focusing on recent advancements and ongoing debates. Key studies, including the JCOG0212 trial and recent multicenter trials, were analyzed to assess the efficacy of LPND, particularly in conjunction with preoperative CRT or TNT. Current evidence indicates that LPND can reduce local recurrence rates compared to total mesorectal excision alone in patients not receiving radiation therapy. However, the benefit of LPND in the context of neoadjuvant CRT is influenced by the size and pretreatment characteristics of LPNs. While CRT can effectively control smaller metastatic LPNs, larger or clinically suspicious LPNs may require LPND for optimal outcomes. Advances in surgical techniques, such as robotic-assisted LPND, offer potential benefits but also present challenges and complications. The role of TNT in controlling metastatic LPNs and improving patient outcomes is emerging but remains underexplored. The decision to perform LPND should be individualized based on patient-specific factors, including LPN size, response to neoadjuvant treatment, and surgeon expertise. Future research should focus on optimizing treatment protocols and further evaluating the role of TNT in managing metastatic LPNs.
Minimally invasive surgery
- Robotic colorectal surgery training: Portsmouth perspective
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Guglielmo Niccolò Piozzi, Sentilnathan Subramaniam, Diana Ronconi Di Giuseppe, Rauand Duhoky, Jim S. Khan
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Ann Coloproctol. 2024;40(4):350-362. Published online August 30, 2024
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DOI: https://doi.org/10.3393/ac.2024.00444.0063
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Abstract
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- This study aims to discuss the principles and pillars of robotic colorectal surgery training and share the training pathway at Portsmouth Hospitals University NHS Trust. A narrative review is presented to discuss all the relevant and critical steps in robotic surgical training. Robotic training requires a stepwise approach, including theoretical knowledge, case observation, simulation, dry lab, wet lab, tutored programs, proctoring (in person or telementoring), procedure-specific training, and follow-up. Portsmouth Colorectal has an established robotic training model with a safe stepwise approach that has been demonstrated through perioperative and oncological results. Robotic surgery training should enable a trainee to use the robotic platform safely and effectively, minimize errors, and enhance performance with improved outcomes. Portsmouth Colorectal has provided such a stepwise training program since 2015 and continues to promote and augment safe robotic training in its field. Safe and efficient training programs are essential to upholding the optimal standard of care.
Translational/basic research
- Tissue engineering and regenerative medicine approaches in colorectal surgery
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Bigyan B. Mainali, James J. Yoo, Mitchell R. Ladd
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Ann Coloproctol. 2024;40(4):336-349. Published online August 30, 2024
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DOI: https://doi.org/10.3393/ac.2024.00437.0062
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Abstract
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- Tissue engineering and regenerative medicine (TERM) is an emerging field that has provided new therapeutic opportunities by delivering innovative solutions. The development of nontraditional therapies for previously unsolvable diseases and conditions has brought hope and excitement to countless individuals globally. Many regenerative medicine therapies have been developed and delivered to patients clinically. The technology platforms developed in regenerative medicine have been expanded to various medical areas; however, their applications in colorectal surgery remain limited. Applying TERM technologies to engineer biological tissue and organ substitutes may address the current therapeutic challenges and overcome some complications in colorectal surgery, such as inflammatory bowel diseases, short bowel syndrome, and diseases of motility and neuromuscular function. This review provides a comprehensive overview of TERM applications in colorectal surgery, highlighting the current state of the art, including preclinical and clinical studies, current challenges, and future perspectives. This article synthesizes the latest findings, providing a valuable resource for clinicians and researchers aiming to integrate TERM into colorectal surgical practice.
Colorectal cancer
- Essential knowledge and technical tips for total mesorectal excision and related procedures for rectal cancer
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Min Soo Cho, Hyeon Woo Bae, Nam Kyu Kim
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Ann Coloproctol. 2024;40(4):384-411. Published online August 30, 2024
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DOI: https://doi.org/10.3393/ac.2024.00388.0055
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- Total mesorectal excision (TME) has greatly improved rectal cancer surgery outcomes by reducing local recurrence and enhancing patient survival. This review outlines essential knowledge and techniques for performing TME. TME emphasizes the complete resection of the mesorectum along embryologic planes to minimize recurrence. Key anatomical insights include understanding the rectal proper fascia, Denonvilliers fascia, rectosacral fascia, and the pelvic autonomic nerves. Technical tips cover a step-by-step approach to pelvic dissection, the Gate approach, and tailored excision of Denonvilliers fascia, focusing on preserving pelvic autonomic nerves and ensuring negative circumferential resection margins. In Korea, TME has led to significant improvements in local recurrence rates and survival with well-adopted multidisciplinary approaches. Surgical techniques of TME have been optimized and standardized over several decades in Korea, and minimally invasive surgery for TME has been rapidly and successfully adopted. The review emphasizes the need for continuous research on tumor biology and precise surgical techniques to further improve rectal cancer management. The ultimate goal of TME is to achieve curative resection and function preservation, thereby enhancing the patient’s quality of life. Accurate TME, multidisciplinary-based neoadjuvant therapy, refined sphincter-preserving techniques, and ongoing tumor research are essential for optimal treatment outcomes.
Anorectal benign disease
- Recent advances in the diagnosis and treatment of complex anal fistula
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Pankaj Garg, Kaushik Bhattacharya, Vipul D. Yagnik, G. Mahak
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Ann Coloproctol. 2024;40(4):321-335. Published online August 30, 2024
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DOI: https://doi.org/10.3393/ac.2024.00325.0046
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- Anal fistula can be a challenging condition to manage, with complex fistulas presenting even greater difficulties. The primary concerns in treating this condition are a risk of damage to the anal sphincters, which can compromise fecal continence, and refractoriness to treatment, as evidenced by a high recurrence rate. Furthermore, the treatment of complex anal fistula involves several additional challenges. Satisfactory solutions to many of these obstacles remain elusive, and no consensus has been established regarding the available treatment options. In summary, complex anal fistula has no established gold-standard treatment, and the quest for effective therapies continues. This review discusses and highlights groundbreaking advances in the management of complex anal fistula over the past decade.
Colorectal cancer
- Dissection layer selection based on an understanding of pelvic fascial anatomy in transanal total mesorectal excision
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Daichi Kitaguchi, Masaaki Ito
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Ann Coloproctol. 2024;40(4):375-383. Published online August 30, 2024
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DOI: https://doi.org/10.3393/ac.2024.00178.0025
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- This study aimed to review the historical transition of rectal cancer surgery and recent evidence regarding transanal total mesorectal excision (TaTME). Additionally, it outlined the anatomical landmarks and technical considerations essential for successful TaTME. Anatomical studies and surgical techniques were analyzed to identify key landmarks and procedural steps crucial for TaTME. TaTME offers improved visibility and maneuverability even in the deep and narrow pelvis and is expected to contribute to tumor radical cure rates. By securing the circumferential resection margin and distal margin while preserving pelvic autonomic nerve function, TaTME holds promise for maintaining postoperative urinary and sexual functions. Key anatomical landmarks include the endopelvic fascia posteriorly, the S4-pelvic splanchnic nerve laterally, and the prostate or posterior vaginal wall anteriorly. Selecting the appropriate dissection layer based on tumor depth and ensuring precise incision of the tendinous arch of the pelvic fascia contributes to successful TaTME outcomes. TaTME represents a significant advancement in rectal cancer surgery, offering improved outcomes through meticulous attention to anatomical detail and precise dissection techniques. Understanding the historical context of rectal cancer surgery alongside recent evidence on TaTME is essential for optimizing patient outcomes and expanding the safe implementation of this innovative approach.
Guideline
Anorectal benign disease
- The Italian Unitary Society of Colon-Proctology (Società Italiana Unitaria di Colonproctologia) guidelines for the management of acute and chronic hemorrhoidal disease
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Antonio Brillantino, Adolfo Renzi, Pasquale Talento, Luigi Brusciano, Luigi Marano, Maurizio Grillo, Mauro Natale Maglio, Fabrizio Foroni, Alessio Palumbo, Maria Laura Sandoval Sotelo, Luciano Vicenzo, Michele Lanza, Giovanna Frezza, Massimo Antropoli, Claudio Gambardella, Luigi Monaco, Ilaria Ferrante, Domenico Izzo, Alfredo Giordano, Michele Pinto, Corrado Fantini, Marcello Gasparrini, Michele Schiano Di Visconte, Francesca Milazzo, Giovanni Ferreri, Andrea Braini, Umberto Cocozza, Massimo Pezzatini, Valeria Gianfreda, Alberto Di Leo, Vincenzo Landolfi, Umberto Favetta, Sergio Agradi, Giovanni Marino, Massimiliano Varriale, Massimo Mongardini, Claudio Eduardo Fernando Antonio Pagano, Riccardo Brachet Contul, Nando Gallese, Giampiero Ucchino, Michele D’Ambra, Roberto Rizzato, Giacomo Sarzo, Bruno Masci, Francesca Da Pozzo, Simona Ascanelli, Patrizia Liguori, Angela Pezzolla, Francesca Iacobellis, Erika Boriani, Eugenio Cudazzo, Francesca Babic, Carmelo Geremia, Alessandro Bussotti, Mario Cicconi, Antonia Di Sarno, Federico Maria Mongardini, Antonio Brescia, Leonardo Lenisa, Massimiliano Mistrangelo, Matteo Zuin, Marta Mozzon, Alessandro Paolo Chiriatti, Vincenzo Bottino, Antonio Ferronetti, Corrado Rispoli, Ludovico Carbone, Giuseppe Calabrò, Antonino Tirrò, Domenico de Vito, Giovanna Ioia, Giovanni Luca Lamanna, Lorenzo Asciore, Ettore Greco, Pierluigi Bianchi, Giuseppe D’Oriano, Alessandro Stazi, Nicola Antonacci, Raffaella Marina Di Renzo, Gianmario Edoardo Poto, Giuseppe Paolo Ferulano, Antonio Longo, Ludovico Docimo
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Ann Coloproctol. 2024;40(4):287-320. Published online August 30, 2024
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DOI: https://doi.org/10.3393/ac.2023.00871.0124
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Abstract
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- The aim of these evidence-based guidelines is to present a consensus position from members of the Italian Unitary Society of Colon-Proctology (Società Italiana Unitaria di Colon-Proctologia, SIUCP) on the diagnosis and management of hemorrhoidal disease, with the goal of guiding physicians in the choice of the best treatment option. A panel of experts was charged by the Board of the SIUCP to develop key questions on the main topics related to the management of hemorrhoidal disease and to perform an accurate and comprehensive literature search on each topic, in order to provide evidence-based answers to the questions and to summarize them in statements. All the clinical questions were discussed by the expert panel in multiple rounds through the Delphi approach and, for each statement, a consensus among the experts was reached. The questions were created according to PICO (patients, intervention, comparison, and outcomes) criteria, and the statements were developed adopting the GRADE (Grading of Recommendations, Assessment, Development, and Evaluations) methodology. In cases of grade 1 hemorrhoidal prolapse, outpatient procedures including hemorrhoidal laser procedure and sclerotherapy may be considered the preferred surgical options. For grade 2 prolapse, nonexcisional procedures including outpatient treatments, hemorrhoidal artery ligation and mucopexy, laser hemorrhoidoplasty, the Rafaelo procedure, and stapled hemorrhoidopexy may represent the first-line treatment options, whereas excisional surgery may be considered in selected cases. In cases of grades 3 and 4, stapled hemorrhoidopexy and hemorrhoidectomy may represent the most effective procedures, even if, in the expert panel opinion, stapled hemorrhoidopexy represents the gold-standard treatment for grade 3 hemorrhoidal prolapse.
Brief Communication
Minimally invasive surgery
- First clinical experience using augmented intelligence in robotic colorectal surgery with the Senhance robotic platform
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Narimantas Evaldas Samalavicius, Audrius Dulskas
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Ann Coloproctol. 2024;40(4):412-414. Published online August 30, 2024
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DOI: https://doi.org/10.3393/ac.2023.00815.0116
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Citations
Citations to this article as recorded by
- Experiences in robotic colorectal surgery: comprehensive insights from a multi-center analysis using the Senhance Robotic System
Narimantas E. Samalavicius, Rita Karpiciute, Vaida Nausediene, Frank Willeke, Olaf Martin Hansen, Vivianda Menke
Journal of Robotic Surgery.2024;[Epub] CrossRef
Review
Benign bowel disease
- Colorectal screening following appendectomy in adult patients: a systematic review
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Francesco Esposito, Marco Del Prete, Matilde Magri, Fanny Dufour, Alexandre Cortes
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Ann Coloproctol. 2024;40(5):417-423. Published online August 1, 2024
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DOI: https://doi.org/10.3393/ac.2023.00528.0075
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Abstract
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- Purpose
Although the association between appendicitis and colorectal cancer in older patients has received attention, postoperative colorectal screening through endoscopy is not currently recommended. This study conducted a systematic review of the literature on colorectal screening following appendectomy in adult patients.
Methods
A literature search was performed using online databases. Studies reporting colorectal surveillance after appendectomy in adult patients were retrieved for assessment.
Results
Eight articles including a total of 3,995 patients were published between 2013 and 2023. An age of 40 years was the lower threshold in 6 of the 8 articles. Postoperative colorectal screening occurred in 771 patients (19.3%). Endoscopy was performed in 95.2% of cases and computed tomography–colonography in 4.8%. During endoscopic examinations, a lesion was discovered in 184 of 771 patients (24.0%), and an adenomatous polyp was found in 154 of 686 patients (22.5%). The overall cancer rate was 3.9% (30 of 771 patients). The tumor was located in the right-sided colon in 46.7% of the patients, in the cecum in 20.0%, in the rectum in 16.7%, in the left-sided colon in 10.0%, and in the sigmoid colon in 6.7%.
Conclusion
Performing post-appendectomy colorectal screening in patients >40 years of age could allow early detection of an underlying lesion.