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Walk the evidence base by book and chapter — the raw source passages that ground Ask, Differential, and the rest.

• A comparison of surgical devices for grade II and III hemorrhoidal disease. Results from the LigaLongo Trial comparing transanal Doppler-guided hemorrhoidal artery ligation with mucopexy and circular stapled hemorrhoidopexy1 passage
• A meta-analysis of marsupialisation versus none in the treatment of simple fistula-in-ano1 passage
• A prospective randomized double-blind study of pain control by topical calcium channel blockers versus placebo after Milligan-Morgan hemorrhoidectomy1 passage
• A systematic review and meta-analysis of outpatient treatment for acute diverticulitis1 passage
• A systematic review comparing the efficacy of 980 nm vs. 1470 nm wavelengths in laser hemorrhoidoplasty13 passages
• A systematic review of the association between parastomal hernia and sarcopenia1 passage
• A systematic review of the literature assessing operative blood loss and postoperative outcomes after colorectal surgery1 passage
• Ambulatory versus conventional laparoscopic appendectomy: a systematic review and meta-analysis1 passage
• Analgesic effect of local anaesthetic in haemorrhoid banding: systematic review and meta-analysis1 passage
• Antibiotic therapy for acute uncomplicated appendicitis: a systematic review and meta-analysis1 passage
• Antibiotics vs observational therapy in acute uncomplicated diverticulitis, a systemic review and meta-analysis1 passage
• Assessing quality of life in anal fistula patients after Seton placement using different knot types: Randomized controlled trial1 passage
• Association between vedolizumab and postoperative complications in IBD: a systematic review and meta-analysis1 passage
• Bilaterally parallel elliptic flap versus Karydakis flap in primary pilonidal sinus disease: a randomized controlled trial1 passage
• CT imaging for prediction of complications and recurrence in acute uncomplicated diverticulitis1 passage
• Can preoperative CT angiography and three-dimensional reconstruction of the mesenteric artery of the colon improve laparoscopic colectomy and postoperative rehabilitation in patients with colon cancer? A pilot randomized control study1 passage
• Closure of stoma site with or without prophylactic mesh reinforcement: a systematic review and meta-analysis1 passage
• Colonic metastasis from breast carcinoma: A case report and systematic review of a rare clinical scenario1 passage
• Combined linaclotide and polyethylene glycol electrolyte for colonoscopy preparation: a network meta-analysis of 14 randomized controlled trials1 passage
• Comparing the efficacy and safety of different analgesic strategies after open hemorrhoidectomy: a systematic review and network meta-analysis1 passage
• Comparing the efficacy and safety of different thread-drawing surgery method for treating high complex anal fistula: a systematic review and network meta-analysis1 passage
• Comparison of different modalities for the diagnosis of parastomal hernia: a systematic review1 passage
• Comparison study of two anastomosis techniques in right hemicolectomy: a systematic review and pooling up analysis1 passage
• Conservative Sinusectomy vs. excision and primary off-midline closure for pilonidal disease: a randomized controlled trial1 passage
• Conservative treatment of uncomplicated right-sided diverticulitis: a systematic review and meta-analysis1 passage
• Diagnostic performance of urinary 5-Hydroxyindoleacetic Acid in acute appendicitis: a systematic review and diagnostic test accuracy meta-analysis1 passage
• Diverticulitis does not increase the long-term risk of developing colon cancer: a systematic review and meta-analysis1 passage
• Does coffee affect bowel recovery following minimally invasive colorectal operations? A three-armed randomized controlled trial1 passage
• Early versus delayed defunctioning ileostomy closure after low anterior resection for rectal cancer: a meta-analysis and trial sequential analysis of safety and functional outcomes1 passage
• Effect of powered circular stapler in colorectal anastomosis after left-sided colic resection: systematic review and meta-analysis1 passage
• Effect of triclosan-coated sutures on surgical site infections in pilonidal disease: prospective randomized study1 passage
• Effectiveness of Laser-Based Fistula Therapies with and without Adjunctive Measures in Anal Fistulas Management: A Systematic Review and Single-Arm Meta-Analysis1 passage
• Effectiveness of artificial intelligence-assisted colonoscopy in detecting and diagnosing colorectal tumors: a systematic review and network meta-analysis1 passage
• Effectiveness of electroacupuncture versus prucalopride for women with severe chronic constipation: secondary analysis of a randomized controlled trial1 passage
• Efficacy and safety of laser ablation for recurrent pilonidal sinus: a systematic review and meta‑analysis1 passage
• Electroacupuncture at Baliao point alleviates post-operative pain and anal distension after procedure for prolapse and hemorrhoids (stapled hemorrhoidopexy): a prospective randomized clinical trial1 passage
• Enhanced recovery after surgery in emergency resection for obstructive colorectal cancer: a systematic review and meta-analysis1 passage
• Enteral resorbable diet versus standard diet in primary sphincter reconstruction: a prospective randomised trial1 passage
• Evaluation of the efficacy of polyethylene glycol in combination with different doses of linaclotide in a fractionated bowel preparation for colonoscopy: a prospective randomized controlled study1 passage
• Failure of enhanced recovery after surgery in laparoscopic colorectal surgery: a systematic review1 passage
• Failure of nonoperative management in patients with acute diverticulitis complicated by abscess: a systematic review1 passage
• Fascial incision shapes and paracolostomy hernia: cruciate vs. reinforced longitudinal (the "Hepworth hitch"): longcross randomized controlled trial (GECO2 STUDY)1 passage
• Flavonoid mixture (diosmin, troxerutin, rutin, hesperidin, quercetin) in the treatment of I-III degree hemorroidal disease: a double-blind multicenter prospective comparative study1 passage
• Functional outcomes following ileal pouch-anal anastomosis (IPAA) in older patients: a systematic review1 passage
• Gastrointestinal functions after laparoscopic right colectomy with intracorporeal anastomosis: a pilot randomized clinical trial on effects of abdominal drain, prolonged antibiotic prophylaxis, and D3 lymphadenectomy with complete mesocolic excision1 passage
• HEmoRhoidal disease management with Band ligation versus polidocanol Sclerotherapy: a systematic review and meta-analysis (the HerBS Review)1 passage
• Haemorrhoidectomy under local anaesthesia versus spinal anaesthesia: a systematic review and meta-analysis1 passage
• How long for gastrointestinal recovery following small bowel, right, or left colonic resection with anastomosis in a full fast-track recovery protocol?1 passage
• Incidence of diverticulitis recurrence after sigmoid colectomy: a retrospective cohort study from a tertiary center and systematic review1 passage
• Intra-versus extracorporeal anastomosis in laparoscopic right colectomy: a meta-analysis of 3699 patients1 passage
• Intraoperative oxygen concentration and postoperative delirium in elderly patients undergoing major abdominal surgery: a prospective randomized controlled clinical trial1 passage
• Is inguinal hernia associated with an increased risk of colon cancer? A systematic review and meta-analysis1 passage
• Is the intraoperative air leak test effective in the prevention of colorectal anastomotic leakage? A systematic review and meta-analysis1 passage
• Karydakis procedure versus Limberg flap for treatment of pilonidal sinus: an updated meta-analysis of randomized controlled trials1 passage
• Laparoscopic appendectomy versus antibiotic treatment for acute appendicitis-a systematic review1 passage
• Laparoscopic lavage is superior to colon resection for perforated purulent diverticulitis-a meta-analysis1 passage
• Laparoscopic versus robotic-assisted colectomy and rectal resection: a systematic review and meta-analysis1 passage
• Long-term outcomes in recurrent diverticulitis: a systematic review of treatment strategies and recurrence rates1 passage
• Long-term outcomes of Hartmann's procedure versus primary anastomosis for generalized peritonitis due to perforated diverticulitis: follow-up of a prospective multicenter randomized trial (DIVERTI)1 passage
• Long-term outcomes of stapled haemorrhoidopexy versus conventional haemorrhoidectomy: An updated systematic review, meta-analysis and trial-sequential analysis of randomized controlled trials25 passages
• Lymph node yield, survival benefit, and safety of high and low ligation of the inferior mesenteric artery in colorectal cancer surgery: a systematic review and meta-analysis1 passage
• Management of complications in patients with an ileostomy: an umbrella review of systematic reviews for the EndOTrial Consortium1 passage
• Meta-analysis of transanal total mesorectal excision versus laparoscopic total mesorectal excision in management of rectal cancer1 passage
• Meta-analysis: loop ileostomy versus colostomy to prevent complications of anterior resection for rectal cancer1 passage
• Metronidazole is an effective method of analgesia following haemorrhoidectomy: a systematic review and meta-analysis21 passages
• Multicentre, controlled, randomized clinical trial to compare the efficacy and safety of ambulatory treatment of mild acute diverticulitis without antibiotics with the standard treatment with antibiotics1 passage
• Multidimensional impact analysis of interactive video health intervention on quality of life and clinical rehabilitation indicators in patients with early postoperative bowel obstruction: a randomized controlled trial1 passage
• Needle aspiration treatment vs. incision of acute simple perianal abscess: randomized controlled study1 passage
• Neurogenic appendicopathy: an underestimated disease-systematic review of the literature1 passage
• Non-Doppler hemorrhoidal artery ligation and hemorrhoidopexy combined with pudendal nerve block for the treatment of hemorrhoidal disease: a non-inferiority randomized controlled trial1 passage
• Non-steroidal anti-inflammatory drugs and acetylsalicylic acid increase the risk of complications of diverticular disease: a meta-analysis of case-control and cohort studies1 passage
• Open versus laparoscopic Hartmann's procedure: a systematic review and meta-analysis1 passage
• Optimal timing of urinary catheter removal following pelvic colorectal surgery: a systematic review and meta-analysis1 passage
• Optimizing pediatric loop colostomy closure: a comparative study of linear stapler and hand-sewn anastomosis1 passage
• Optimizing surveillance in Lynch syndrome: lesion detection and comparative performance of different colonoscopy modalities-a systematic review and network meta-analysis1 passage
• Outcomes of embolization therapy of superior rectal arteries for the management of grade 1 to 3 internal hemorrhoids: a systematic Review of clinical studies1 passage
• Palliative procedures for advanced obstructive colorectal cancer: a systematic review and meta-analysis1 passage
• Perioperative intravenous dexamethasone for patients undergoing colorectal surgery: a systematic review and meta-analysis1 passage
• Platelet-rich plasma (PRP) versus fibrin glue in cryptogenic fistula-in-ano: a phase III single-center, randomized, double-blind trial1 passage
• Platelet-rich plasma in the treatment of anal fistula: a systematic review and meta-analysis1 passage
• Predictive factors on CT imaging for progression of uncomplicated into complicated acute diverticulitis1 passage
• Preoperative carbohydrate loading in elective colorectal surgery: postoperative complications and outcomes, a systematic review and meta-analysis1 passage
• Prevalence and pooled risk factors of stoma outlet obstruction after colorectal surgery with diverting ileostomy: a systematic review and meta-analysis1 passage
• Probiotics therapy for adults with diarrhea-predominant irritable bowel syndrome: a systematic review and meta-analysis of 10 RCTs1 passage
• Prospective randomized clinical trial of uncomplicated right-sided colonic diverticulitis: antibiotics versus no antibiotics1 passage
• Purse-string skin closure versus linear skin closure techniques in stoma closure: a comprehensive meta-analysis with trial sequential analysis of randomised trials1 passage
• Quality of life and functional outcomes after laparoscopic total mesorectal excision (LaTME) and transanal total mesorectal excision (taTME) for rectal cancer. an updated meta-analysis1 passage
• Rectal advancement flap for the treatment of complex cryptoglandular anal fistulas: a systematic review and meta-analysis1 passage
• Results of the double-blind randomized controlled trial comparing laser hemorrhoidoplasty with sutured mucopexy and excisional hemorrhoidectomy1 passage
• Right-side colectomy with complete mesocolic excision vs conventional right-side colectomy in the treatment of colon cancer: a systematic review and meta-analysis1 passage
• Risk factors for complicated diverticulitis: systematic review and meta-analysis1 passage
• Risk factors for postoperative acute kidney injury in colorectal cancer: a systematic review and meta-analysis1 passage
• Risk factors for postoperative urinary retention in patients undergoing colorectal surgery: a systematic review and meta-analysis1 passage
• Risk factors for recurrence after acute colonic diverticulitis: a systematic review1 passage
• Robotic versus conventional laparoscopic technique for the treatment of left-sided colonic diverticular disease: a systematic review with meta-analysis1 passage
• Safety and efficacy of gastrointestinal motility agents following elective colorectal surgery: a systematic review and meta-analysis of randomised controlled trials1 passage
• Safety and feasibility of early discharge (≤ 23 h) following loop ileostomy reversal: a systematic review and meta-analysis1 passage
• Same-day discharge after appendectomy for acute appendicitis: a systematic review and meta-analysis1 passage
• Scoring systems as outcomes assessment of the treatments for haemorrhoidal disease: a systematic review of the literature1 passage
• Sigmoid resection with primary anastomosis versus the Hartmann's procedure for perforated diverticulitis with purulent or fecal peritonitis: a systematic review and meta-analysis1 passage
• Single-incision compared with conventional laparoscopy for appendectomy in acute appendicitis: a systematic review and meta-analysis1 passage
• Single-incision versus conventional laparoscopic pyloromyotomy for pediatric hypertrophic pyloric stenosis: a systematic review and meta-analysis1 passage
• Supplementation with Lactobacillus reuteri ATCC PTA 4659 in patients affected by acute uncomplicated diverticulitis: a randomized double-blind placebo controlled trial1 passage
• Surgical resection does not avoid the risk of diverticulitis recurrence-a systematic review of risk factors1 passage
• Systematic review and comparison of national and international guidelines on diverticular disease1 passage
• Systematic review and meta-analysis comparing outcomes of multi-port versus single-incision laparoscopic surgery (SILS) in Hartmann's reversal1 passage
• Systematic review and meta-analysis of postoperative pain and symptoms control following laser haemorrhoidoplasty versus Milligan-Morgan haemorrhoidectomy for symptomatic haemorrhoids: a new standard1 passage
• Systematic review and meta-analysis of the management of acute uncomplicated diverticulitis: time to change traditional practice1 passage
• The Malone antegrade continence enema for treating adult constipation and fecal incontinence: a systematic review of the literature1 passage
• The effect of coffee/caffeine on postoperative ileus following elective colorectal surgery: a meta-analysis of randomized controlled trials1 passage
• The role of psychological factors in functional gastrointestinal disorders: a systematic review and meta-analysis1 passage
• The role of viruses in human acute appendicitis: a systematic literature review1 passage
• The surgical management of perforated diverticulitis Hinchey III: a systematic review and meta-analysis1 passage
• Topical analgesia following excisional haemorrhoidectomy: a systematic review and meta-analysis of randomised controlled trials1 passage
• Transanal hemorrhoidal dearterialization (THD) versus stapled hemorrhoidopexy (SH) in treatment of internal hemorrhoids: a systematic review and meta-analysis of randomized clinical trials1 passage
• Ultrasound-guided pudendal nerve block for postoperative pain management in procedures for prolapse and hemorrhoids: a randomized, double-blinded trial1 passage
• Ultrasound-guided pudendal nerve block in patients undergoing open hemorrhoidectomy: a double-blind randomized controlled trial1 passage
• Which treatment strategy is optimal for acute left-sided malignant colonic obstruction? A Bayesian meta-analysis1 passage