OOIR: Observatory of International Research

Papers

(The median citation count of International Journal of Colorectal Disease is 6. The table below lists those papers that are above that threshold based on CrossRef citation counts [max. 250 papers]. The publications cover those that have been published in the past four years, i.e., from 2021-04-01 to 2025-04-01.)

Article	Citations
Single-incision versus conventional multiport laparoscopic surgery for colorectal cancer: a meta-analysis of randomized controlled trials and propensity-score matched studies	66
Risk and prognostic nomograms for colorectal neuroendocrine neoplasm with liver metastasis: a population-based study	58
Chronic obstructive pulmonary disease is associated with worse outcomes in ischemic colitis: a nationwide retrospective study	39
Less is more—the best test for anastomotic leaks in rectal cancer patients prior to ileostomy reversal	37
Proposition of a simple binary grading of estimated blood loss during colon surgery	37
Artificial intelligence (AI) real-time detection vs. routine colonoscopy for colorectal neoplasia: a meta-analysis and trial sequential analysis	35
Risk factors for upper and lower type prolonged postoperative ileus following surgery for Crohn’s disease	32
Sacral nerve stimulation in patients with ileal pouch-anal anastomosis	32
Risk of colorectal adenomas and cancer in monoallelic carriers of MUTYH pathogenic variants: a single-centre experience	32
An evaluation of short-term outcomes after reoperations for anastomotic leakage in colon cancer patients	31
Preoperative T staging of advanced colorectal cancer by computed tomography colonography	30
Readmission, healthcare consumption, and mortality in Clostridioides difficile infection hospitalizations: a nationwide cohort study	29
Postoperative complications, bowel function, and prognosis in restorative proctocolectomy for ulcerative colitis—a single-center observational study of 320 patients	27
Surgical management of splenic flexure colon cancer: a retrospective propensity-matched study comparing open and minimally invasive approaches using the national cancer database	27
Comparison of safety and efficacy of fluorouracil + oxaliplatin + irinotecan (FOLFOXIRI) and modified FOLFOXIRI with bevacizumab for metastatic colorectal cancer: data from clinical practice	26
The treatment of acute appendicitis in two age-based groups during COVID-19 pandemic: a retrospective experience in a COVID-19 referral hospital	23
Value of high-field magnetic resonance imaging for diagnosis and classification of acute colonic diverticulitis	23
A systematic review of the literature assessing operative blood loss and postoperative outcomes after colorectal surgery	22
Risk factors for lymph node metastasis and prognosis in colorectal neuroendocrine tumours	21
How can we better identify patients with rectal bleeding who are at high risk of colorectal cancer? An observational study	21
Clinical predictors for a complicated course of disease in an inception cohort of patients with ulcerative colitis: results from the prospective, observational EPICOL study	21
Combining the quantitative faecal immunochemical test and full blood count reliably rules out colorectal cancer in a symptomatic patient referral pathway	20
Preoperative intravenous iron treatment reduces postoperative complications and postoperative anemia in preoperatively anemic patients with colon carcinoma	20
Evaluation of diagnostic factors used to refer children with constipation for rectal biopsies	19
Botulinum toxin injection for the treatment of chronic anal fissure: uni- and multivariate analysis of the factors that promote healing	19

Completion surgery vs. primary TME for early rectal cancer: a national study	19
Correction to: Effect of antinuclear antibodies on pharmacokinetics of anti‑TNF therapy in patients with inflammatory bowel disease	18
Letter to the editor: Not inferior but rather superior long-term disease-free survival after laparoscopic versus open total mesorectal excision for low and mid rectal cancer!	18
Adherence to fecal immunochemical test screening among adults at average risk for colorectal cancer	18
Profile of patients with inflammatory bowel disease in conjunction with unmet needs and decision-making for choosing a new biologic therapy: a baseline analysis of the VEDOIBD-Study	17
The risk factors of acute urinary retention after laparoscopic colorectal cancer surgery in elderly patients receiving epidural analgesia	17
Correction to: False-positive fecal immunochemical test results in colorectal cancer screening and gastrointestinal drug use	16
Real-time colorectal polyp detection using a novel computer-aided detection system (CADe): a feasibility study	16
Post-hemorrhoidectomy pain: can surgeons reduce it? A systematic review and network meta-analysis of randomized trials	16
State-of-the-art colorectal disease: postoperative ileus	16
Right-side colectomy with complete mesocolic excision vs conventional right-side colectomy in the treatment of colon cancer: a systematic review and meta-analysis	15
Rise and fall of total mesorectal excision with lateral pelvic lymphadenectomy for rectal cancer: an updated systematic review and meta-analysis of 11,366 patients	15
An update on surgical treatment of hemorrhoidal disease: a systematic review and meta-analysis	14
Prevalence and risk factors of sexual dysfunction in patients with inflammatory bowel disease: systematic review and meta-analysis	14
Tumour-stroma ratio outperforms tumour budding as biomarker in colon cancer: a cohort study	14
Efficacy and safety of immune checkpoint inhibitors in colorectal cancer: a systematic review and meta-analysis	13
Exploring the impact of urogenital organ displacement after abdominoperineal resection on urinary and sexual function	13
Prehabilitation in rectal surgery: a narrative review	13
Comparison of inflammatory bowel disease relapse after top-down or step-up therapy: a population-based cohort study	12
Apparent diffusion coefficient cannot discriminate metastatic and non-metastatic lymph nodes in rectal cancer: a meta-analysis	12
Correction to: Prevalence and risk factors of sexual dysfunction in patients with inflammatory bowel disease: systematic review and meta‑analysis	12
Reduced port versus open right hemicolectomy for colorectal cancer: a retrospective comparison study of two centers	12
Colon ischemia in patients with severe COVID-19: a single-center retrospective cohort study of 20 patients	12
Obesity and anastomotic leak rates in colorectal cancer: a meta-analysis	12
Risk of extracolonic second primary cancers following a primary colorectal cancer: a systematic review and meta-analysis	11
Transcutaneous vagal nerve simulation to reduce a systemic inflammatory response syndrome and the associated intestinal failure: study protocol of a prospective, two-armed, sham-controlled, double-bli	11
The effect of coffee/caffeine on postoperative ileus following elective colorectal surgery: a meta-analysis of randomized controlled trials	11
Prognostic value of tumor deposits for long-term oncologic outcomes in patients with stage III colorectal cancer: a systematic review and meta-analysis	11
The association between pre-colectomy thiopurine use and risk of neoplasia after ileal pouch anal anastomosis in patients with ulcerative colitis or indeterminate colitis: a propensity score analysis	11
Disease recurrence after colorectal cancer surgery in the modern era: a population-based study	10
Ileocolic anastomosis after right hemicolectomy: stapled end-to-side, stapled side-to-side, or handsewn?	10
Prostate radiotherapy and the risk of secondary rectal cancer—a meta-analysis	10
Metabolic syndrome and the risk of colorectal cancer: a systematic review and meta-analysis	10
Does preoperative neoadjuvant chemotherapy impact short-term surgical outcomes in patients with locally advanced colon cancer?	10
Low anterior resection syndrome: can it be prevented?	10
The influence of intraoperative rectal washout on local recurrence of colorectal cancer following curative resection: a systematic review and meta-analysis	10
Neoadjuvant chemotherapy in locally advanced colon cancer: a systematic review and meta-analysis	10
Laparoscopic appendectomy versus antibiotic treatment for acute appendicitis—a systematic review	10
Reducing hospital stay for colorectal surgery in ERAS setting by means of perioperative patient education of expected day of discharge	10
Predictors and clinical impact of postoperative diarrhea after colorectal cancer surgery: a prospective, multicenter, observational study (SHISA-1602)	10
Poor nutrition and sarcopenia are related to systemic inflammatory response in patients with rectal cancer undergoing preoperative chemoradiotherapy	9
Reversal of end-ileostomy in patients with Crohn’s disease	9
Safety of biologics in inflammatory bowel disease patients with COVID-19	9
Letter to the editor for “Laparoscopic extraperitoneal colostomy has a lower risk of parastomal hernia and bowel obstruction than transperitoneal colostomy”	9
Recurrent diverticulitis after elective surgery	9
Inking outside the box: systematic review on the utility of tattooing lesions in rectal cancer	9
Anastomotic leak in patients with acute complicated diverticulitis undergoing primary anastomosis: risk factors and the role of diverting loop ileostomy	9
Survival rates and prognostic factors in right- and left-sided colon cancer stage I–IV: an unselected retrospective single-center trial	8
A meta-analysis of low Hartmann’s procedure versus abdominoperineal resection for non-restorative treatment of rectal cancer	8
Multicenter phase II clinical study of the efficiency and safety of capecitabine plus intermittent oxaliplatin with bevacizumab as first-line therapy in patients with metastatic colorectal cancer (VOI	8

Study protocol: a multicenter randomized controlled trial of the multifaceted workload reduction of the anti-adhesion barrier for diverting ileostomy in laparoscopic rectal surgery, YCOG 2005 (ADOBARR	8
Defining benchmarks for robotic-assisted low anterior rectum resection in low-morbid patients: a multicenter analysis	8
Three distinct outcomes in patients with colorectal adenocarcinoma and lymphovascular invasion: the good, the bad, and the ugly	8
Prognostic significance of pathological sub-classification of pT3 rectal cancer	8
Prophylactic tamsulosin and urinary retention rates following elective colorectal surgery: a retrospective cohort study	8
Short-term and long-term outcomes after laparoscopic surgery for elderly patients with colorectal cancer aged over 80 years: a propensity score matching analysis	8
An analysis of the rates of discontinuation and non-publication of colorectal cancer clinical trials	8
Management, treatment and prognostic significance of lateral lymph node metastases in rectal cancer—a regional cohort study	8
Effectiveness of a surveillance program of upper endoscopy for upper gastrointestinal cancers in Lynch syndrome patients	8
Anastomosis technique and leakage rates in minimally invasive surgery for right-sided colon cancer. A retrospective national cohort study	7
Crohn’s disease: a population-based study of surgery in the age of biological therapy	7
Disease activity in inflammatory bowel disease patients is associated with increased liver fat content and liver fibrosis during follow-up	7
Small bowel adenocarcinoma in Crohn’s disease: a systematic review and meta-analysis of the prevalence, manifestation, histopathology, and outcomes	7
Systematic review and meta-analysis of randomized controlled trials evaluating the effect of the level of ligation of inferior mesenteric artery on functional outcomes in rectal cancer surgery	7
Visceral adiposity and inflammatory bowel disease	7
Post-operative morbidity in Crohn’s disease: what is the impact of patient-, disease- and surgery-related factors?	7
Mortality following elective and emergency colectomy in patients with cirrhosis: a population-based cohort study from England	7
Correction to: Mechanical plus oral bowel preparation with paromomycin and metronidazole reduces infectious complications in elective colorectal surgery: a matched case–control study	7
Continuous transversus abdominis plane blocks in patients undergoing minimally invasive colorectal surgery: a randomized pilot study	7
Oncologic colorectal surgical site infection: oral or not oral antibiotic preparation, that is the question	7
Internal hernia following laparoscopic anterior resection for cancer: higher prevalence than expected of an under-reported complication	7
Clinical effect of rectus sheath block compared to intrathecal morphine injection for minimally invasive colorectal cancer surgery: a propensity score–matched study	7
Risk factors for the development of a parastomal hernia in patients with enterostomy: a systematic review and meta-analysis	6
False-positive fecal immunochemical test results in colorectal cancer screening and gastrointestinal drug use	6
Second redo surgery after two consecutive failures of a colorectal or coloanal anastomosis: is it reasonable?	6
Robotic versus laparoscopic right colectomy for colon cancer: a nationwide cohort study	6
Stage II colon cancer staging using the number of retrieved lymph nodes may be superior to current TNM staging for prognosis stratification: the Japanese study group for postoperative follow-up of col	6
A probabilistic model for the prediction of intra-abdominal infection after colorectal surgery	6
Hospitalizations among early-stage colon cancer patients receiving adjuvant chemotherapy: a real-world study	6
Concurrent use of statins and neoadjuvant chemoradiotherapy for rectal cancer: a systematic review and meta-analysis	6
Adjuvant chemotherapy after neoadjuvant chemoradiation and proctectomy improves survival irrespective of pathologic response in rectal adenocarcinoma: a population-based cohort study	6
Prevention of delayed post-polypectomy bleeding by prophylactic clipping after endoscopic colorectal polypectomy: a meta-analysis	6
Type of recurrence is associated with disease-free survival after salvage surgery for locally recurrent rectal cancer	6
Re-evaluation of controversial issues in the treatment of cT3N0-2 rectal cancer: a 10-year cohort analysis using propensity-score matching	6
Management of colorectal anastomotic leakage using endoscopic negative pressure therapy with or without protective ostomy: a retrospective study	6
Intestinal anastomotic healing models during experimental colitis	6
Correction to: Complex microsurgical perineal reconstruction after resection of a giant verrucous carcinoma associated with anal fistulas in Crohn’s disease—a unique case report	6
Identification of patient subgroups with low risk of postoperative local recurrence for whom total mesorectal excision surgery alone is sufficient: a multicenter retrospective analysis	6
Acute appendicitis in elderly during Covid-19 pandemic	6
Mechanical bowel preparation combined with oral antibiotics in colorectal cancer surgery: a nationwide population-based study	6
In vitro analysis of exfoliated tumor cells in intraluminal lavage samples after colorectal endoscopic submucosal dissection	6