Purpose To assess the efficacy of total neoadjuvant therapy (TNT) for rectal carcinoma in comparison with conventional chemoradiotherapy (CRT).
Methods A systematic review was performed according to the PRISMA guidelines. A Bayesian network meta-analysis was done using NetMetaXL and WinBUGS. This study was registered in PROSPERO on March 3, 2022 (No. CRD-42022307867).
Results Outcomes of 2,719 patients from 10 randomized trials between 2010 and 2022 were selected. Of these 1,191 (44%) had conventional long-course CRT (50–54 Gy) and capecitabine, 506 (18%) had induction chemotherapy followed by CRT (50–54 Gy) and capecitabine (iTNT), 230 (9%) had long-course CRT (50–54 Gy) followed by consolidation chemotherapy (cTNT), and 792 (29%) undergone modified short-course radiotherapy (25 Gy) with subsequent chemotherapy (mTNT). Total pathologic complete response (pCR) was 20% in the iTNT group, 21% in the mTNT group, 22% in the cTNT group, and 12% in the CRT group. Statistically significant difference in pCR rates was detected when comparing iTNT with CRT (odds ratio [OR], 1.76; 95% credible interval [CrI], 1.06–2.8), mTNT with CRT (OR, 1.90; 95% CrI, 1.25–2.74), and cTNT with CRT groups (OR, 2.54; 95% CrI, 1.26–5.08). No differences were found in R0 resection rates. No significant difference was found in long-term outcomes.
Conclusion The early administration of systemic chemotherapy in the TNT regimen has improved short-term outcomes, though long-term results are underreported. Randomized trials with survival as the endpoint are necessary to evaluate the possible advantages of TNT modes.
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Purpose Hemorrhoids are the most common benign anorectal diseases. Mucopexy strengthens the anal canal mucosa, which can be performed alone or in combination with Doppler-guided hemorrhoidal artery ligation (DG-HAL). In this study, we compared the postoperative complications between simple mucopexy plus HAL with and without a Doppler guide.
Methods This study was performed as a single-blinded randomized clinical trial. Patients referred to a tertiary colorectal referral clinic with grades 3 and 4 hemorrhoids who were candidates for surgical intervention entered the study. Thirty-six patients were randomly divided into 2 groups. Group A including 18 patients underwent mucopexy and DG-HAL and the other 18 patients (group B) underwent standard mucopexy and HAL without a Doppler guide. Postoperative pain score and the duration of oral analgesic consumption were recorded. Additionally, postoperative symptoms and complications were recorded and compared between the 2 methods.
Results There was no significant difference between the 2 groups in terms of pain score and the duration of postoperative analgesic consumption as well as the incidence of postoperative complications. Besides, the primary grade of hemorrhoids was not significantly associated with recurrence, but there was a significant association between body mass index and Wexner score (WS) with recurrence. The mean WS of patients showed a significant decrease in both groups postoperatively. However, the rate of WS reduction was not remarkably different between the 2 groups.
Conclusion Simple mucopexy with blind HAL (without Doppler guide) might be considered for the treatment of grades 3 and 4 hemorrhoids effectively.
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The treatment of haemorrhoids remains challenging: multiple treatment options supported by heterogeneous evidence are available, but patients rightly demand a tailored approach. Evidence for newer surgical techniques that promise to be less painful has been conflicting. We review the current evidence for management options in patients who present with varying haemorrhoidal grades. A review of the English literature was performed utilizing MEDLINE/PubMed, Embase, and Cochrane databases (31 May 2019). The search terms (haemorrhoid OR haemorrhoid OR haemorrhoids OR haemorrhoids OR “Hemorrhoid”[Mesh]) were used. First- and second-degree haemorrhoids continue to be managed conservatively. The easily repeatable and cost-efficient rubber band ligation is the preferred method to address minor haemorrhoids; long-term outcomes following injection sclerotherapy remain poor. Conventional haemorrhoidectomies (Ferguson/Milligan-Morgan/Ligasure haemorrhoidectomy) still have their role in third- and fourth-degree haemorrhoids, being associated with lowest recurrence; nevertheless, posthaemorrhoidectomy pain is problematic. Stapled haemorrhoidopexy allows quicker recovery, albeit at the costs of higher recurrence rates and potentially serious complications. Transanal Haemorrhoidal Dearterialization has been promoted as nonexcisional and less invasive, but the recent HubBLe trial has questioned its overall place in haemorrhoid management. Novel “walk-in-walk-out” techniques such as radiofrequency ablations or laser treatments will need further evaluation to define their role in modern-day haemorrhoid management. There are numerous treatment options for haemorrhoids, each with their own evidence-base. Newer techniques promise to be less painful, but recurrence rates remain an issue. The balance continues to be sought between long-term efficacy, minimisation of postoperative pain, and preservation of anorectal function.
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PURPOSE Benign anorectal disease will often cause great concern to the patient and the practitioner about a more proximal colon pathology. The aim of this study is to evaluate the significance of routine colonoscopy for patients with benign anorectal disease. METHODS A retrospective analysis of 108 patients with benign anorectal disease who had undergone colonoscopic examination from April 1997 to August 1998 at Gil Medical Center was done. RESULTS The mean age of all patients was 43 years; the male-to-female ratio was 1:1.1. The diagnoses of anorectal disease were hemorrhoids in 84 cases, anal fissures in 13 cases, chronic anal pain syndrome in 6 cases, anorectal fistulas in 5 cases, and other in 9 cases. There were 37 patients (34.3%) with 53 abnormal findings:14 tubular adenomas, 11 inflammatory polyps, 4 hyperplastic polyps, 1 tuberculous colitis, 1 angiodysplasia, 6 diverticula, 6 nonspecific ileitis or colitis, 2 melanosis coli, 2 rectal ulcers, 2 ileal ulcers, and 3 other diseases. Among them, clinically significant lesions, such as neoplastic lesion, tuberculous colitis and angiodysplasia, were detected in 12 patients (11.1%). Because the lesions in 7 patients of the 12 patients were within the reach of sigmoidoscopy, only 5 patients (4.6%) needed a colonoscopic examination. In regard to neoplasms, patients presenting with anal bleeding and old age were not found to have a higher frequency of neoplasia.
Also, the specific type of anorectal disease was not associated with an increased risk for colorectal neoplasia (P>0.05). CONCLUSIONS Sigmoidoscopy is a more acceptable primary diagnostic tool in patients with benign anorectal disease, but in patients with gastrointestinal symptoms, a high risk for colorectal cancer, suspicious inflammatory bowel disease, or fear of cancer, selective colonoscopy will be needed.
PURPOSE Laparoscopic colorectal procedures are widely used for benign disease but controversial for malignant disease.
In early colorectal cancer, laparoscopic colectomy can be performed safely on the basis of oncologic principles. The purpose of this study is to evaluate the safety and effectiveness of laparoscopic-assisted colorectal resection for malignant polyps and benign disease. METHODS Twenty five patients submitted to surgical treatment between Oct. 1996 to June 2000 were reviewed retrospectively. RESULTS Malignant polyps comprized 7 cases whose resection margins were all positive for cancer cells after endoscopic polypectomy and benign diseases in 18 cases (benign polyp: 7, diverticular disease: 4, submucosal tumor: 4 etc.). The common sugical procedures were anterior or low anterior resection (7 cases) and segmental resection (6 cases). There was no conversion to an open surgery. In malignant polyps, pathologic results revealed early cancer with no lymph node metastasis. There was no operative mortality. Postoperative recovery was uneventful except 2 cases (9.0%) of complications, which were, prolonged ileus in one patient and subcutaneous emphysema in another patient. CONCLUSIONS Laparoscopic-assisted resection can be recommended as a safe and effective procedure for treatment of colonic malignant polyps and benign disease.
PURPOSE Urinary retention is a frequent postoperative complication after benign anorectal surgery. Factors, known to affect postoperative urinary retention, are age, sex, anesthetics, operative method, operative time and perioperative fluid injection. This study was performed to know whether the incidence of urinary retention might be controlled by reducing the amount of perioperative fluid. METHODS Eighty patients underwent surgery for hemorrhoids and chronic anal fissures were allocated into two groups, fluid restriction group (n=37) and hydration group (n=43).
All patients were consecutively randomized from May 1998 to January 1999 and they were under 50 years old without urologic abnormality. Fluid was infused at 100 ml/h from the midnight then it's rate was changed into 10 ml/h for 4 hours from the beginning of the anesthesia for the restriction group, whereas 1000 ml/h only during operation for the hydration group. Thereafter it was changed into the same rate with 100 ml/h on both groups. RESULTS There was no significant differences with regard to age, sex, operation time, degree of pain and use of analgesics between two groups. Although there was a significant difference in the total volume of the infused fluid (Restriction group: 53.4 119.5 ml versus Hydration group: 778.6 319.0 ml, mean SD, p<0.001). Catheterization was done in 29 patients of the restriction group (78.4%) and 37 patients of the hydration group (86.0%), respectively.
The frequency of catheterization was 1.3 0.7 times in the former and 1.6 0.7 times in the latter group. CONCLUSIONS A strict restriction of fluid infusion appeared to be unnecessary for the purpose of preventing the urinary retention during surgery of benign anorectal diseases with spinal anesthesia.