Annals of Coloproctology

The most downloaded articles in the last three months among those published since 2023.

Review

Anorectal benign disease

Recent advances in the diagnosis and treatment of complex anal fistula: Pankaj Garg, Kaushik Bhattacharya, Vipul D. Yagnik, G. Mahak; Ann Coloproctol. 2024;40(4):321-335. Published online August 30, 2024; 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.

Citations

Citations to this article as recorded by

Understanding the anatomical basis of anorectal fistulas and their surgical management: exploring different types for enhanced precision and safety
Asim M. Almughamsi, Yasir Hassan Elhassan
Surgery Today.2025;[Epub] CrossRef
From the Editor: Uniting expertise, a new era of global collaboration in coloproctology
In Ja Park
Annals of Coloproctology.2024; 40(4): 285. CrossRef
Surgeon oriented reporting template for magnetic resonance imaging and endoanal ultrasound of anal fistulas enhances surgical decision-making
Si-Ze Wu
World Journal of Radiology.2024; 16(12): 712. CrossRef

Original Article

Complication

Early warning model to detect anastomotic leakage following colon surgery: a clinical observational study: Pooya Rajabaleyan, Ravish Jootun, Sören Möller, Ulrik Deding, Mark Bremholm Ellebæk, Issam al-Najami, Ian Lindsey; Ann Coloproctol. 2024;40(5):431-439. Published online October 8, 2024; DOI: https://doi.org/10.3393/ac.2023.00745.0106

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Graphical Abstract Abstract PDF

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.

Citations

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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
Predictive Biomarkers for the Early Detection of Anastomotic Leaks in Colorectal Surgeries: A Systematic Review
Wahidullah Dost, Mohammad Qaher Rasully , Mohammad Nazir Zaman, Wahida Dost, Wahida Ali, Sami A Ayobi, Raisa Dost, Jamaluddin Niazi, Kinza Bakht, Asma Iqbal, Syed Faqeer Hussain Bokhari
Cureus.2024;[Epub] CrossRef

Reviews

Colorectal cancer

The role of lateral pelvic lymph node dissection in advanced rectal cancer: a review of current evidence and outcomes: Gyu-Seog Choi, Hye Jin Kim; Ann Coloproctol. 2024;40(4):363-374. Published online August 30, 2024; DOI: https://doi.org/10.3393/ac.2024.00521.0074

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Abstract PDF

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.

Citations

Citations to this article as recorded by

Who is a candidate at the initial presentation? Prediction of positive lateral lymph node and survival after dissection
Y. Lee
Techniques in Coloproctology.2025;[Epub] CrossRef
The oncologic benefits of lateral lymph node dissection after neoadjuvant therapy – local control or survival?
T. Sammour
Techniques in Coloproctology.2025;[Epub] CrossRef
From the Editor: Uniting expertise, a new era of global collaboration in coloproctology
In Ja Park
Annals of Coloproctology.2024; 40(4): 285. CrossRef

Benign bowel disease

Colorectal screening following appendectomy in adult patients: a systematic review: Francesco Esposito, Marco Del Prete, Matilde Magri, Fanny Dufour, Alexandre Cortes; Ann Coloproctol. 2024;40(5):417-423. Published online August 1, 2024; DOI: https://doi.org/10.3393/ac.2023.00528.0075

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Abstract PDF: 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.

Editorial

Optimizing postoperative pain management in minimally invasive colorectal surgery: Soo Young Lee; Ann Coloproctol. 2024;40(6):525-526. Published online December 3, 2024; DOI: https://doi.org/10.3393/ac.2024.00815.0116

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PDF

Technical Note

Anorectal benign disease

Botulinum injection technique to reduce spasms in refractory anal fissures and after anal fistula or hemorrhoid surgery: Pankaj Garg, Vipul D. Yagnik, Kaushik Bhattacharya; Ann Coloproctol. 2024;40(6):610-612. Published online December 2, 2024; DOI: https://doi.org/10.3393/ac.2023.00696.0099

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PDF Supplementary Material

Review

Optimal anastomotic technique in rectal surgery to prevent anastomotic leakage: Daichi Kitaguchi, Masaaki Ito; Ann Coloproctol. 2023;39(2):97-105. Published online January 3, 2023; DOI: https://doi.org/10.3393/ac.2022.00787.0112

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10 Citations

Abstract PDF

Complications after colorectal surgery remain inevitable, and anastomotic leakage is one of the most severe and potentially fatal complications. Generally, anastomotic leakage is associated with severe peritonitis, the need for emergency reoperation, and an increased mortality rate. Additionally, particularly after rectal cancer surgery, it has a negative impact on long-term outcomes, including postoperative anorectal function, local recurrence, and survival. To prevent anastomotic leakage, understanding the characteristics of each anastomotic technique and establishing a stable anastomotic procedure are important. Transanal total mesorectal excision (TaTME) is a relatively new advanced surgical access technique for pelvic dissection and facilitates different anastomotic techniques without the need for transabdominal rectal transection. Especially, stapled anastomosis in TaTME, also known as double purse-string circular stapled anastomosis or the single stapling technique (SST), has gained much attention as an alternative to the conventional double stapling technique (DST). In this article, we describe the DST, SST, and hand-sewn anastomosis as anastomotic techniques after rectal surgery, focusing mainly on the differences between conventional anastomotic techniques and SST in TaTME. Furthermore, the blood flow evaluation method for the reconstructive colon before anastomosis, which is extremely important in anastomotic leakage prevention regardless of the anastomotic type, is also described.

Citations

Citations to this article as recorded by

Dissection layer selection based on an understanding of pelvic fascial anatomy in transanal total mesorectal excision
Daichi Kitaguchi, Masaaki Ito
Annals of Coloproctology.2024; 40(4): 375. CrossRef
Successful Clinical Avoidance of Colorectal Anastomotic Leakage through Local Decontamination
Gerhard Ernst Steyer, Markus Puchinger, Johann Pfeifer
Antibiotics.2024; 13(1): 79. CrossRef
Combined Robotic Transanal Transection Single-Stapled Technique in Ultralow Rectal Endometriosis Involvement Associated With Parametrial and Vaginal Infiltration
Gianmarco D'Ancona, Benjamin Merlot, Quentin Denost, Stefano Angioni, Thomas Dennis, Horace Roman
Journal of Minimally Invasive Gynecology.2024; 31(4): 267. CrossRef
Risk factors for the failure of endoscopic balloon dilation to manage anastomotic stricture from colorectal surgery: retrospective cohort study
Young Il Kim, Seung Wook Hong, Seok-Byung Lim, Dong-Hoon Yang, Eon Bin Kim, Min Hyun Kim, Chan Wook Kim, Jong Lyul Lee, Yong Sik Yoon, In Ja Park, Chang Sik Yu
Surgical Endoscopy.2024; 38(4): 1775. CrossRef
The impact of powered circular staplers on anastomotic leak in left-sided colorectal cancer surgeries
Hayoung Lee, Yong Sik Yoon, Young Il Kim, Eun Jung Park, Min Hyun Kim, Jong Lyul Lee, Chan Wook Kim, In Ja Park, Seok-Byung Lim
Surgical Endoscopy.2024; 38(10): 6111. CrossRef
Effect of powered circular stapler in colorectal anastomosis after left-sided colic resection: systematic review and meta-analysis
Andrea Scardino, Carlo Galdino Riva, Luca Sorrentino, Sara Lauricella, Alberto Aiolfi, Matteo Rottoli, Gianluca Bonitta, Marco Vitellaro, Luigi Bonavina, Davide Bona, Michael Kelly, Emanuele Rausa
International Journal of Colorectal Disease.2024;[Epub] CrossRef
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
Optimal Indocyanine Green Dosage for Repetitive Angiography for Laparoscopic Colorectal Surgery
Gyung Mo Son, Sang-Ho Park, Nam Su Kim, Mi Sook Yun, In Young Lee, Myeong-Sook Kwon, Tae Kyun Kim, Eun Hwa Lee, Eun Jung Hwang, Kwang-Ryul Baek
Medicina.2024; 60(12): 1966. CrossRef
The Safe Values of Quantitative Perfusion Parameters of ICG Angiography Based on Tissue Oxygenation of Hyperspectral Imaging for Laparoscopic Colorectal Surgery: A Prospective Observational Study
Gyung Son, Armaan Nazir, Mi Yun, In Lee, Sun Im, Jae Kwak, Sang-Ho Park, Kwang-Ryul Baek, Ines Gockel
Biomedicines.2023; 11(7): 2029. CrossRef
Impact of Postoperative Naples Prognostic Score to Predict Survival in Patients with Stage II–III Colorectal Cancer
Su Hyeong Park, Hye Seung Woo, In Kyung Hong, Eun Jung Park
Cancers.2023; 15(20): 5098. CrossRef

Original Article

Minimally invasive surgery

New double-stapling technique without staple-crossing line in laparoscopic low anterior resection: effort to reduce anastomotic leakage: Nam Seok Kim, Ji Hoon Kim, Yoon Suk Lee, In Kyu Lee, Won Kyung Kang; Ann Coloproctol. 2024;40(6):573-579. Published online November 22, 2024; DOI: https://doi.org/10.3393/ac.2022.00409.0058

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Graphical Abstract Abstract PDF: Purpose
This study aimed to demonstrate the safety of new double-stapling technique (nDST), without a crossing line and dog ears, by comparing with conventional DST (cDST) in laparoscopic low anterior resection (LAR).
Methods
We retrospectively reviewed 98 consecutive patients who underwent laparoscopic LAR for rectal cancer from January 2018 to December 2020. The inclusion criterion was an anastomosis level below the peritoneal reflection and 4 cm above the anal verge. In the nDST group, the staple line of the linear cutter was sutured using barbed sutures to shorten the staple line before firing the circular stapler. Therefore, there were no crossing lines after firing the circular stapler. A 2:1 propensity score matching was performed between the cDST and nDST groups.
Results
After propensity score matching, 39 patients were in the cDST group and 20 were in the nDST group. There were no significant differences in patient demographics between the 2 groups. There was no difference in the total operation time between the cDST and nDST groups (124.0±26.2 minutes vs. 125.2±20.3 minutes, P=0.853). Morbidity rates were similar between the 2 groups (9 cases [23.1%] vs. 5 cases [25.0%], P=0.855). There was no significant difference in leakage rate (4 cases [10.3%] vs. 1 case [5.0%], P=0.847) and anastomotic bleeding rate (1 case [2.6%] vs. 3 cases [15.0%], P=0.211).
Conclusion
The nDST to eliminate the crossing line and dog ears in laparoscopic LAR is technically feasible and safe. However, more attention should be paid to anastomotic bleeding in such cases.

Review

Colorectal cancer

Beyond survival: a comprehensive review of quality of life in rectal cancer patients: Won Beom Jung; Ann Coloproctol. 2024;40(6):527-537. Published online December 20, 2024; DOI: https://doi.org/10.3393/ac.2024.00745.0106

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Abstract PDF: Rectal cancer is one of the most common carcinomas and a leading cause of cancer-related mortality. Although significant advancements have been made in the treatment of rectal cancer, the deterioration of quality of life (QoL) remains a challenging issue. Various tools have been developed to assess QoL, including the Functional Assessment of Cancer Therapy-Colorectal (FACT-C) scale, the QLQ-C30 and QLQ-CR29 by the European Organization for Research and Treatment of Cancer (EORTC), and the 36-Item Short Form Health Survey (SF-36). Factors such as the lower location of the tumor, radiation therapy, chemoradiotherapy, and chemotherapy are associated with a decline in QoL. Furthermore, anastomotic leakage following rectal cancer resection is an important risk factor affecting QoL. With the development of novel treatment approaches, including neoadjuvant therapies such as chemoradiotherapy and total neoadjuvant therapy, the rate of clinical complete remission has increased, leading to the emergence of organ-preserving strategies. Both local excision and the “watch-and-wait” approach following neoadjuvant therapy improved functional outcomes and QoL. Efforts to improve QoL after rectal cancer surgery are ongoing in surgical techniques for rectal cancer. Since QoL is determined by a complex interplay of factors, including the patient's physical condition, surgical techniques, and psychological and social elements, a comprehensive approach is necessary to understand and enhance it. This review aims to describe the methods for measuring QoL in rectal cancer patients after surgery, the key risk factors involved, and various strategies and efforts to improve QoL outcomes.

Original Articles

ERAS

Effect of continuous wound infiltration on patients using intravenous patient-controlled analgesia for pain management after reduced-port laparoscopic colorectal surgery: Hyeon Deok Choi, Sung Uk Bae; Ann Coloproctol. 2024;40(6):564-572. Published online November 22, 2024; DOI: https://doi.org/10.3393/ac.2023.00143.0020

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Graphical Abstract Abstract PDF

Purpose
Continuous wound infiltration (CWI) has been introduced as a component of multimodal analgesia to counteract the adverse effects of the most frequently used opioids. Advantages of reduced-port laparoscopic surgery (RPLS) include cosmetic benefits and decreased postoperative pain. We aimed to investigate the effect of CWI in patients using intravenous (IV) patient-controlled analgesia (PCA) for pain management after RPLS for colorectal cancer.
Methods
This retrospective study included 25 patients who received both CWI (0.5% ropivacaine infused over 72 hours) and IV PCA (fentanyl citrate) and 52 patients who received IV PCA alone. The primary endpoint was pain scores on postoperative days (PODs) 0, 1, and 2. Univariate and multivariate analyses were conducted to determine the factors affecting the pain score on POD 0.
Results
On POD 0, the mean numeric rating scale score was significantly lower in the CWI group than in the control group (3.2±0.8 vs. 3.7±0.9, P=0.042). However, the scores were comparable between the groups during the rest of the period. Within 24 hours of surgery, the CWI group consumed fewer opioids (0.7±0.9 vs. 1.3±1.1, P=0.018) and more nonsteroidal anti-inflammatory drugs (2.0±1.4 vs. 1.3±1.4, P=0.046) than the control group. Time to removal of IV PCA was significantly longer in the CWI group than in the control group (4.4±1.6 days vs. 3.4±1.0 days, P=0.016).
Conclusion
CWI with ropivacaine and IV PCA was more effective than IV PCA alone in controlling postoperative pain within 24 hours of surgery, and opioid use could be reduced further.

Citations

Citations to this article as recorded by

Optimizing postoperative pain management in minimally invasive colorectal surgery
Soo Young Lee
Annals of Coloproctology.2024; 40(6): 525. CrossRef

Stoma

Protective loop ileostomy or colostomy? A risk evaluation of all common complications: Yi-Wen Yang, Sheng-Chieh Huang, Hou-Hsuan Cheng, Shih-Ching Chang, Jeng-Kai Jiang, Huann-Sheng Wang, Chun-Chi Lin, Hung-Hsin Lin, Yuan-Tzu Lan; Ann Coloproctol. 2024;40(6):580-587. Published online January 27, 2023; DOI: https://doi.org/10.3393/ac.2022.00710.0101

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Abstract PDF

Purpose
Protective ileostomy and colostomy are performed in patients undergoing low anterior resection with a high leakage risk. We aimed to compare surgical, medical, and daily care complications between these 2 ostomies in order to make individual choice.
Methods
Patients who underwent low anterior resection for rectal tumors with protective stomas between January 2011 and September 2018 were enrolled. Stoma-related complications were prospectively recorded by wound, ostomy, and continence nurses. The cancer stage and treatment data were obtained from the Taiwan Cancer Database of our Big Data Center. Other demographic data were collected retrospectively from medical notes. The complications after stoma creation and after the stoma reversal were compared.
Results
There were 176 patients with protective colostomy and 234 with protective ileostomy. Protective ileostomy had higher proportions of high output from the stoma for 2 consecutive days than protective colostomy (11.1% vs. 0%, P<0.001). Protective colostomy resulted in more stoma retraction than protective ileostomy (21.6% vs. 9.4%, P=0.001). Female, open operation, ileostomy, and carrying stoma more than 4 months were also significantly associated with a higher risk of stoma-related complications during diversion. For stoma retraction, the multivariate analysis revealed that female (odds ratio [OR], 4.00; 95% confidence interval [CI], 2.13–7.69; P<0.001) and long diversion duration (≥4 months; OR, 2.33; 95% CI, 1.22–4.43; P=0.010) were independent risk factors, but ileostomy was an independent favorable factor (OR, 0.40; 95% CI, 0.22–0.72; P=0.003). The incidence of complication after stoma reversal did not differ between colostomy group and ileostomy group (24.3% vs. 20.9%, P=0.542).
Conclusion
We suggest avoiding colostomy in patients who are female and potential prolonged diversion when stoma retraction is a concern. Otherwise, ileostomy should be avoided for patients with impaired renal function. Wise selection and flexibility are more important than using one type of stoma routinely.

Citations

Citations to this article as recorded by

Uso de ileostomía derivativa en cáncer de ovario. Revisión de la literatura
Franco Rafael Ruiz-Echeverría, Pedro Hernando Calderón-Quiroz, Juliana Rendón-Hernández
Revista Colombiana de Cirugía.2024;[Epub] CrossRef
Meta-analysis: loop ileostomy versus colostomy to prevent complications of anterior resection for rectal cancer
Shilai Yang, Gang Tang, Yudi Zhang, Zhengqiang Wei, Donglin Du
International Journal of Colorectal Disease.2024;[Epub] CrossRef
The Role of Colon in Isolated Intestinal Transplantation: Description of 4 Cases
Pierpaolo Di Cocco, Giulia Bencini, Alessandro Martinino, Egor Petrochenkov, Stepan Akshelyan, Kentaro Yoshikawa, Mario Spaggiari, Jorge Almario-Alvarez, Ivo Tzvetanov, Enrico Benedetti, Gaetano Gallo
International Journal of Surgical Oncology.2024;[Epub] CrossRef

Editorial

Early detection of anastomotic leakage in colon cancer surgery: the role of early warning score and C-reactive protein: Gyung Mo Son; Ann Coloproctol. 2024;40(5):415-416. Published online October 16, 2024; DOI: https://doi.org/10.3393/ac.2024.00661.0094

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Original Article

Anorectal benign disease

Lower pain, less itching, and faster healing after ultrasound scalpel-assisted hemorrhoidectomy using an intimate cleaner containing chlorhexidine, acid hyaluronic acid, and natural anti-inflammatories: a multicenter observational case-control study: Antonio Brillantino, Luigi Marano, Maurizio Grillo, Alessio Palumbo, Fabrizio Foroni, Luciano Vicenzo, Alessio Antropoli, Michele Lanza, Maria Laura Sandoval Sotelo, Nicola Sangiuliano, Mauro Maglio, Rosanna Filosa, Lucia Abbatiello, Maria Preziosa Romano, Luana Passariello, Pasquale Talento, Giovanna Ioia, Corrado Rispoli, Mariano Fortunato Armellino, Vincenzo Bottino, Adolfo Renzi, Carlo Bartone, Luigi Monaco, Paolino Mauro, Stefano Picardi, Maria Paola Menna, Elisa Palladino, Mario Massimo Mensorio, Vinicio Mosca, Claudio Gambardella, Luigi Brusciano, Ludovico Docimo; Ann Coloproctol. 2024;40(6):602-609. Published online December 30, 2024; DOI: https://doi.org/10.3393/ac.2024.00570.0081

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Abstract PDF: Purpose
Postoperative pain is a major concern for patients undergoing ultrasound scalpel-assisted hemorrhoidectomy, potentially exacerbated by delayed wound healing. This study aimed to evaluate the impact of an intimate cleansing gel containing chlorhexidine, hyaluronic acid, and other anti-inflammatory agents (Antroclean Fisioderm) on postoperative pain, itching, and wound healing in patients who had undergone this procedure.
Methods
This multicenter observational case-control study involved a cohort of consecutive adult patients who underwent hemorrhoidectomy using an ultrasound device. The study compared 2 different postoperative wound management strategies over 1 month after surgery: washing with warm water twice per day (control group) versus a 2-minute topical application of intimate cleansing gel (Antroclean Fisioderm) followed by a warm water wash (intervention group).
Results
The median postoperative pain score was significantly lower in the intervention group than in the control group at each follow-up point (P<0.01). The percentage of patients reporting anal itching was also significantly lower in the intervention group than in the control group at each follow-up point (P<0.01). All patients in the intervention group achieved complete wound healing 4 weeks after surgery, compared to 88 (82%) in the control group (P<0.01). No adverse events were reported.
Conclusion
The topical application of intimate cleansing gel (Antroclean Fisioderm) twice daily for 1 month following ultrasound scalpel-assisted hemorrhoidectomy appears to be associated with faster healing, reduced pain, decreased itching, and improved quality of life, without any adverse effects. Further larger and prospective randomized trials are recommended to confirm these findings.

Review

Colorectal cancer

Essential knowledge and technical tips for total mesorectal excision and related procedures for rectal cancer: Min Soo Cho, Hyeon Woo Bae, Nam Kyu Kim; Ann Coloproctol. 2024;40(4):384-411. Published online August 30, 2024; DOI: https://doi.org/10.3393/ac.2024.00388.0055

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Abstract PDF

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.

Citations

Citations to this article as recorded by

From the Editor: Uniting expertise, a new era of global collaboration in coloproctology
In Ja Park
Annals of Coloproctology.2024; 40(4): 285. CrossRef
Efficacy of Neoadjuvant Hypofractionated Chemoradiotherapy in Elderly Patients with Locally Advanced Rectal Cancer: A Single-Center Retrospective Analysis
Jae Seung Kim, Jaram Lee, Hyeung-min Park, Soo Young Lee, Chang Hyun Kim, Hyeong Rok Kim
Cancers.2024; 16(24): 4280. CrossRef

Original Article

Colorectal cancer

Colonic stenting: is the bridge to surgery worth its cost? A cost-effectiveness analysis at a single Asian institution: Michelle Shi Qing Khoo, Frederick H. Koh, Sharmini Su Sivarajah, Leonard Ming-Li Ho, Darius Kang-Lie Aw, Cheryl Xi-Zi Chong, Fung Joon Foo, Winson Jianhong Tan; Ann Coloproctol. 2024;40(6):555-563. Published online August 5, 2024; DOI: https://doi.org/10.3393/ac.2023.00738.0105

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Abstract PDF: Purpose
In patients with acute left-sided colonic obstruction, stenting can convert an emergency operation into a semi-elective procedure. However, its use continues to be debated. We performed a cost-effective analysis using our institution’s experiences.
Methods
Endoscopic, surgical, and financial details were prospectively collected for patients who presented with acute colonic obstruction and underwent stenting between 2019 and 2022. Outcomes were defined as technical/clinical success and successful surgical resection. The financial cost of stenting was compared with the expected cost without stenting.
Results
Forty patients were included, with 29 undergoing definitive resection. The most common pathology was primary colon cancer (27 patients, 93%). Endoscopic stenting had high technical (90%) and clinical (83%) success rates, with low rates of complications such as perforation (2 patients, 7%) and migration (0 patients, 0%). As a bridge to surgery, the median procedure time was 226 minutes and the surgical outcomes also showed a low rate of complications (3 patients, 11%), such as anastomotic leakage (0 patients, 0%), intraabdominal abscesses (2 patients, 7%), and 30-day postoperative mortality (0 patients, 0%). The cumulative costs with colonic stenting were $32,900, while the expected costs with emergency surgery, including stoma reversal, were $40,700 (healthcare cost-savings of $7,800 per person). The difference was mainly due to the avoidance of upfront emergency surgery. The incremental cost-effectiveness ratio was 0.81, favoring colonic stenting over upfront emergency surgery.
Conclusion
Colonic stenting as a bridge to surgery is safe and cost-effective for treating left-sided colonic obstruction with high success rates and low complication rates.

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