OOIR: Observatory of International Research

Papers

(The H4-Index of BJS Open is 27. 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 2022-06-01 to 2026-06-01.)

Article	Citations
Colonic resection and stoma formation due to chronic diverticular disease: nationwide population-based cohort study	218
Watch-and-wait approach in high-risk locally advanced rectal cancer: outcomes after complete response to total neoadjuvant therapy	93
Post-thyroid surgery adhesion prevention using oxidized regenerated cellulose and hyaluronic acid: prospective, single-blinded, randomized study	83
Perioperative characteristics and short-term morbidity after surgery for renal hyperparathyroidism: multicentre EUROCRINE® registry study	71
Tumour origin, diagnostic accuracy and histopathological evaluation in patients with periampullary cancer: nationwide cohort study	59
Association of chronic low-grade inflammation with adverse outcomes after gastrointestinal surgery: observational and Mendelian randomization study	55
Early rectal cancer: are we overstaging and overtreating?	54
Establishment and external validation of neutrophil-to-lymphocyte ratio in excluding postoperative pancreatic fistula after pancreatoduodenectomy	50
BJS Open 2025 best HPB surgery articles: editors’ choices	49
Safe and transparent introduction and evaluation of targeted axillary dissection in patients with node-positive breast cancer undergoing primary surgery: international consensus process	47
Digital technology in informed consent for surgery: systematic review	44
Effect of transversus abdominis plane blocks in abdominoplasties on postoperative outcomes	43
Costs associated with anastomotic leak after left-sided colorectal surgery: retrospective real-world study in England	41
Fluorescence-guided surgery: comprehensive review	39
Prophylactic mesh augmentation after laparotomy for elective and emergency surgery: meta-analysis	37
Renal failure as a complication of defunctioning ileostomy: more complexity to a complex decision-making process	37
Economic cost-utility analysis of stage-directed oesophageal cancer treatment	37
Correction: Surgical treatment of hilar cholangiocarcinoma: retrospective analysis	36
Modified artery-first approach for distal pancreatectomy with celiac axis resection	35
Impact of perioperative α1-antagonists on postoperative urinary retention in orthopaedic surgery: meta-analysis	34
Association of hypothyroidism with survival in pancreatic cancer: retrospective cohort study	33
Clinical implications of an intraoperative margin-positive distal bile duct in perihilar cholangiocarcinoma: international multicentre cohort study	32
Erratum to: Quality of reporting of robot-assisted cholecystectomy in relation to the IDEAL recommendations: systematic review	32
Global cost of postoperative ileus following abdominal surgery: meta-analysis	32
Effects of the superior mesenteric artery approach versus the no-touch approach during pancreatoduodenectomy on the mobilization of circulating tumour cells and clusters in pancreatic cancer (C	29

Oncological impact of unexpected horizontal tumour spread in oesophagogastric junction cancer	27
Association of anaemia, co-morbidities and red blood cell transfusion according to age groups: multicentre sub-analysis of the German Patient Blood Management Network Registry	27