OOIR: Observatory of International Research

Papers

(The TQCC of Langenbecks Archives of Surgery is 8. 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 2020-10-01 to 2024-10-01.)

Article	Citations
Systematic reviews in surgery—recommendations from the Study Center of the German Society of Surgery	60
Appendicitis during the COVID-19 lockdown: results of a multicenter analysis in Germany	48
EUS-guided gastroenterostomy versus duodenal stent placement and surgical gastrojejunostomy for the palliation of malignant gastric outlet obstruction: a systematic review and meta-analysis	43
Using virtual 3D-models in surgical planning: workflow of an immersive virtual reality application in liver surgery	43
Impact of the COVID-19 pandemic on appendicitis treatment in Germany—a population-based analysis	41
Sub-adventitial divestment technique for resecting artery-involved pancreatic cancer: a retrospective cohort study	37
German National Guideline on the management of pilonidal disease: update 2020	36
Preoperative computed tomography-assessed sarcopenia as a predictor of complications and long-term prognosis in patients with colorectal cancer: a systematic review and meta-analysis	31
Suspected appendicitis and COVID-19, a change in investigation and management—a multicentre cohort study	29
Management of primary and renal hyperparathyroidism: guidelines from the German Association of Endocrine Surgeons (CAEK)	29
Social media in surgery: evolving role in research communication and beyond	29
Effects of preoperative oral carbohydrate on postoperative discomfort in patients undergoing elective surgery: a meta-analysis of randomized controlled trials	26
Influence of COVID-19 confinement measures on appendectomies in Germany—a claims data analysis of 9797 patients	25
Manometric and pH-monitoring changes after laparoscopic sleeve gastrectomy: a systematic review	22
Ex vivo machine perfusion: current applications and future directions in liver transplantation	22
A new approach to laparoscopic appendectomy in children—clipless/sutureless Harmonic scalpel laparoscopic appendectomy	20
Prognostic evaluation of HCC patients undergoing surgical resection: an analysis of 8 different staging systems	20
Total pancreatectomy as alternative to pancreatico-jejunal anastomosis in patients with high fistula risk score: the choice of the fearful or of the wise?	19
Near-infrared autofluorescence-based parathyroid glands identification in the thyroidectomy or parathyroidectomy: a systematic review and meta-analysis	18
Adhesion prevention after endometriosis surgery — results of a randomized, controlled clinical trial with second-look laparoscopy	18
Laparoscopic surgery during the COVID-19 pandemic: detection of SARS-COV-2 in abdominal tissues, fluids, and surgical smoke	18
Indocyanine green fluorescence angiography prevents anastomotic leakage in rectal cancer surgery: a systematic review and meta-analysis	18
Robotic and laparoscopic liver resection—comparative experiences at a high-volume German academic center	18
Vascular surgery in liver resection	18
Risk factors for hypothyroidism and thyroid hormone replacement after hemithyroidectomy in papillary thyroid carcinoma	17

A tailored approach in lymph node-positive perihilar cholangiocarcinoma	16
State-of-the-art surgery for hepatocellular carcinoma	16
Comparison of new versus reused Harmonic scalpel performance in laparoscopic appendectomy in patients with acute appendicitis—a randomized clinical trial	16
Machine learning to guide clinical decision-making in abdominal surgery—a systematic literature review	16
Minimally invasive esophagectomy: clinical evidence and surgical techniques	16
Induction of liver hypertrophy for extended liver surgery and partial liver transplantation: State of the art of parenchyma augmentation–assisted liver surgery	16
Feasibility and quality of life assessment of laparoscopic proximal gastrectomy using double-tract reconstruction	16
Laparotomy with suture repair is the most common treatment for obturator hernia: a scoping review	16
Impact of intraoperative blood salvage and autologous transfusion during liver transplantation for hepatocellular carcinoma	15
The volume and outcome relationship for thyroidectomy in England	15
Delayed post-pancreatectomy hemorrhage and bleeding recurrence after percutaneous endovascular treatment: risk factors from a bi-centric study of 307 consecutive patients	15
What do surgeons need to know about the mesopancreas	15
Does the non-absorbable suture closure of the jejunal mesenteric defect reduce the incidence and severity of internal hernias after laparoscopic Roux-en-Y gastric bypass?	15
Composite phaeochromocytomas—a systematic review of published literature	15
Comparison of intracorporeal and extracorporeal anastomosis and resection in right colectomy: a systematic review and meta-analysis	15
Association between number of parathyroid glands identified during total thyroidectomy and functional parathyroid preservation	14
Experiences with the Kono-S anastomosis in Crohn’s disease of the terminal ileum—a cohort study	14
Fluorescence vessel and ureter navigation during laparoscopic lateral lymph node dissection	14
Radiological management of postoperative lymphorrhea	14
Loop ileostomy in rectal cancer surgery: factors predicting reversal and stoma related morbidity	14
Can T-tube drainage be replaced by primary suture technique in laparoscopic common bile duct exploration? A meta-analysis of randomized controlled trials	13
Preoperative skeletal muscle index and visceral-to-subcutaneous fat area ratio are associated with long-term outcomes of elderly gastric cancer patients after gastrectomy	13
Optimal cutoff value of preoperative CEA and CA19-9 for prognostic significance in patients with stage II/III colon cancer	13
State-of-the-art surgery for recurrent and locally advanced rectal cancers	13
Short-term outcome after robot-assisted hiatal hernia and anti-reflux surgery—is there a benefit for the patient?	13
Frailty index as a predictive preoperative tool in the elder population undergoing major abdominal surgery: a prospective analysis of clinical utility	12
Association of a prehabilitation program with anxiety and depression before colorectal surgery: a post hoc analysis of the pERACS randomized controlled trial	12
Totally implantable venous access port insertion via open Seldinger approach of the internal jugular vein—a retrospective risk stratification of 500 consecutive patients	12
Risk identification and technical modifications reduce the incidence of post-cholecystectomy bile leakage: analysis of 5675 laparoscopic cholecystectomies	12
Predictors of adenoma size and location in primary hyperparathyroidism	12
A simple nomogram for early postoperative risk prediction of clinically relevant pancreatic fistula after pancreatoduodenectomy	12
Early laparoscopic cholecystectomy for acute cholecystitis is safe regardless of timing	11
Diaphragmatic herniation after esophagogastric surgery: systematic review and meta-analysis	11
Relationship between diversional stoma and mortality rate in Fournier’s gangrene: a systematic review and meta-analysis	11
Systematic review and meta-analysis of surgical drain management after the diagnosis of postoperative pancreatic fistula after pancreaticoduodenectomy: draining-tract-targeted works better than standa	11
Conservative treatment versus elective repair of umbilical hernia in patients with liver cirrhosis and ascites: results of a randomized controlled trial (CRUCIAL trial)	11
The long-term risk of cardiovascular events in patients following bariatric surgery compared to a non-surgical population with obesity and the general population: a comprehensive national cohort study	11
Incidence and risk factor for infection of totally implantable venous access port	11
Early versus delayed (interval) appendicectomy for the management of appendicular abscess and phlegmon: a systematic review and meta-analysis	11
Tactics, techniques, and challenges in the management of giant choledochal cyst in adolescents and adults: a retrospective cohort study	11
Side-overlap esophagogastric tube (SO-EG) reconstruction after minimally invasive Ivor Lewis esophagectomy or laparoscopic proximal gastrectomy for cancer of the esophagogastric junction	11
The impact of surgical site infection—a cost analysis	11
Fluorescence angiography vs. direct palpation for bowel viability evaluation with strangulated bowel obstruction	11
Techniques for reconstruction after distal gastrectomy for cancer: updated network meta-analysis of randomized controlled trials	10
Urinary reconstruction following total pelvic exenteration for locally advanced rectal cancer: complications and factors affecting outcomes	10
Effects of COVID-19 lockdown on a bariatric surgery waiting list cohort and its influence in surgical risk perception	10
Severe mesenteric traction syndrome is associated with increased systemic inflammatory response, endothelial dysfunction, and major postoperative morbidity	10
Surgical treatment for chronic pain after inguinal hernia repair: a systematic literature review	10
Impact of the controlling nutritional status score on severe postoperative complications of pancreaticoduodenectomy for pancreatic cancer	10
A systematic review of the perforated duodenal diverticula: lessons learned from the last decade	10

Risk factors for anastomotic leakage after surgical resections for esophageal cancer	10
The risk and predictors of mortality in octogenarians undergoing emergency laparotomy: a multicentre retrospective cohort study	10
Clinical outcomes of gastric tube reconstruction following laparoscopic proximal gastrectomy for early gastric cancer in the upper third of the stomach: experience with 100 consecutive cases	10
State-of-the-art surgery for ulcerative colitis	9
Surgical treatment of recalcitrant gastroesophageal reflux disease in patients with systemic sclerosis: a systematic review	9
Frailty as a predictive factor for survival after liver transplantation, especially for patients with MELD≤15—a prospective study	9
Left-posterior approach for artery-first en bloc resection in laparoscopic distal pancreatectomy for left-sided pancreatic cancer	9
Current status of internal hernia after gastrectomy for gastric cancer	9
Predicting risk factors of postoperative hypocalcemia after total thyroidectomy: is safe discharge without supplementation possible? A large cohort study	9
Neutrophil-to-lymphocyte ratio and C-reactive protein–to–albumin ratio as prognostic factors for unresectable advanced or recurrent gastric cancer	9
Cytoreductive surgery and hyperthermic intraperitoneal chemotherapy (HIPEC) for colorectal peritoneal metastases: analysis of short- and long-term outcomes	9
Functional syndromes and symptom-orientated aftercare after esophagectomy	9
Nutritional jejunostomy in esophagectomy for cancer, a national register-based cohort study of associations with postoperative outcomes and survival	9
Comparison of the prognosis of four different surgical strategies for proximal gastric cancer: a network meta-analysis	9
Level 2a evidence comparing robotic versus laparoscopic left lateral hepatic sectionectomy: a meta-analysis	9
Sphincter damage during fistulotomy for perianal fistulae and its relationship with faecal incontinence	9
Narrowing of the remnant portal vein diameter and decreased portal vein angle are risk factors for portal vein thrombosis after perihilar cholangiocarcinoma surgery	8
Survival advantage of cytoreductive surgery and hyperthermic intraperitoneal chemotherapy (HIPEC) for advanced gastric cancer: experience from a Western tertiary referral center	8
Management and outcome of true visceral and renal artery aneurysm repair	8
Minimally invasive adrenalectomy for large pheochromocytoma: not recommendable yet? Results from a single institution case series	8
Correlation of postoperative fluid balance and weight and their impact on outcomes	8
The upper esophageal sphincter in the high-resolution manometry era	8
Prediction of portal vein thrombosis after hepatectomy for hepatocellular carcinoma	8
The risk of conversion in minimally invasive oncological abdominal surgery. Meta-analysis of randomized evidence comparing traditional laparoscopic versus robot-assisted techniques	8
Technical progress in robotic pancreatoduodenectomy: TRIANGLE and periadventitial dissection for retropancreatic nerve plexus resection	8
Minimally invasive ileal pouch-anal anastomosis for patients with obesity: a propensity score-matched analysis	8
Safety of intermittent Pringle maneuver during minimally invasive liver resection in patients with hepatocellular carcinoma with and without cirrhosis	8
Risk factor of mediastinal lymph node metastasis of Siewert type I and II esophagogastric junction carcinomas	8
Impact of routine preoperative sonographic screening with early intervention for deep venous thrombosis in lower extremities on preventing postoperative venous thromboembolism in patients with gastric	8
State-of-the-art surgery for pancreatic cancer	8
Comparisons of perioperative and survival outcomes of laparoscopic versus open gastrectomy for serosa-positive (pT4a) gastric cancer patients: a propensity score matched analysis	8
Preoperative transarterial chemoembolization for laparoscopic liver resection in Child A cirrhotic patients with hepatocellular carcinoma	8