OOIR: Observatory of International Research

Papers

(The H4-Index of Surgery is 30. 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 2021-11-01 to 2025-11-01.)

Article	Citations
Killing mosquitoes or draining the swamp?	100
A Tribute to Dr Kevin E. Behrns, Editor-in-Chief of SURGERY	71
Letter to the editor: “Calcium phosphate deposition, tertiary hyperparathyroidism, and the long-term effect on kidney allografts”	66
Letter to the editor on “Laparoscopic pancreatoduodenectomy is safe for the treatment of pancreatic ductal adenocarcinoma treated by chemoradiotherapy compared with open pancreatoduodenectomy: A match	65
Is there a place for laparoscopic reoperation for complications after minimally invasive pancreatectomy?	64
Hyperlipasemia in the immediate postoperative period predicts postoperative pancreatic fistula after pancreatic resections	60
Letter to the editor on: “AI versus MD: Evaluating the surgical decision-making accuracy of ChatGPT-4”	59
The importance of a vice chair in a department of surgery: A chair's perspective	57
Discussion	53
Cholecystectomy for acute cholecystitis during weekend compared with delayed weekday surgery: A nationwide population cohort study	52
Liver remnant volume to body weight ratio of 0.65% as a lower limit in right hepatic trisectionectomy with bile duct resection	51
Discussion	48
Medullary thyroid cancer: What is the optimal management of the lateral neck in a node negative patient at index operation?	45
Executive summary of the artificial intelligence in surgery series	42
Prognostic factors for critically ill surgical patients with unplanned intensive care unit readmission: Developing a novel predictive scoring model for predicting readmission	41
“Predictors of lymph node metastasis and survival in radically resected rectal neuroendocrine tumors: A Surveillance, Epidemiology, and End Results database analysis”: Author’s reply	40
Surgical management of metastatic adrenocortical carcinoma: Is there a role for multivisceral resection?	37
The good, the bad, and the ugly: Operative staff perspectives of surgeon coping with intraoperative errors	36
Acute cholecystitis: Delayed cholecystectomy has lesser perioperative morbidity compared to emergency cholecystectomy	36
Gastroesophageal reflux after sleeve gastrectomy. Fact or fiction?	35
Frailty in emergency general surgery: Low-risk procedures pose similar risk as high-risk procedures for frail patients	35
Use and disparities in parathyroidectomy for symptomatic primary hyperparathyroidism in the Medicare population	35
Risk of lymph node metastases and conditional survival in appendiceal neuroendocrine neoplasms	34
Beyond the language barrier: Assessing health literacy of Spanish breast cancer surgery resources	34
The Emergency Surgery Score is a powerful predictor of outcomes across multiple surgical specialties: Results of a retrospective nationwide analysis	33

Trends in surgical treatment for ulcerative colitis in the era of biologics – A population-based study using German diagnosis-related groups data	33
Discussion	32
Development of a preoperative score to predict surgical difficulty in liver transplantation	32
Ancillary documents for NIH grant applications: The pages beyond the science	30
Emergency thoracic surgery patients have worse risk-adjusted outcomes than non-emergency patients	30