OOIR: Observatory of International Research

Papers

(The H4-Index of Obesity Surgery is 31. 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 2021-05-01 to 2025-05-01.)

Article	Citations
Answer to: “Prompt Sonographic Assessment of Body Composition After Bariatric Surgery”	316
Reply to Letter to the Editor: One Anastomosis Gastric Bypass (OAGB) with a 150-cm Biliopancreatic Limb (BPL) Versus a 200-cm BPL: a Systematic Review and Meta-Analysis	178
Incidence and Intensity of Early Dumping Syndrome and Its Association with Health-Related Quality of Life Following Sleeve Gastrectomy	85
Laparoscopic Revision for Gastric Clipping: a Single Center Experience and Taiwan Database Review	78
Bariatric Surgical Services Within a Pandemic Can Continue Safely: the Initial Experience of a UK Centre of Excellence	68
Paired Commentary for OBSU-D-24-00337R2 Similar Rates of Symptomatic Marginal Ulcers After One-Anastomosis-Gastric Bypass Compared to Roux-en-Y Gastric Bypass	66
Laparoscopic Roux-en-Y Gastric Bypass to Improve Remission Rates of Type 2 Diabetes Mellitus: a Trial Sequential Analysis	62
Minimally Invasive Common Bile Duct Stone Management in Gastric Bypass Patients: Laparoscopic Common Bile Duct Exploration with Disposable Bronchoscope	60
Avoiding Complications During Revisional Bariatric Surgery with Indocyanine Green Fluorescence Imaging	54
Remission of Type II Diabetes Mellitus 1-Year Postoperative Following One Anastomosis Gastric Bypass in Correlation with ABCD, DiaRem, and DRS Scores	50
Qualitative and Economic Impact of Standardized and Digitalized Operation Room Processes in Obesity Surgery	50
Correlation Between Gastrojejunal Anastomosis Diameter, Distensibility Index, and Weight Regain After Roux-en-Y Gastric Bypass	45
Further Discussion on the IFSO Position Statement	44
Response to Letter to the Editor: The Association of Helicobacter pylori, Eradication, and Early Complications of Laparoscopic Sleeve Gastrectomy	43
Collateral Benefit of Systematic Improvement in Bariatric Surgery Outcomes Following a Single Quality Improvement Project for Bleeding	42
Correction: The Effect of Diet Composition on the Post-operative Outcomes of Roux-en-Y Gastric Bypass in Mice	42
Risk of Reopening of the Mesenteric Defects After Routine Closure in Laparoscopic Roux-en-Y Gastric Bypass: a Single-Centre Experience	41
Improvement in Pulmonary Hypertension Following Metabolic and Bariatric Surgery: a Brief Review and Meta-analysis	41
Midterm Outcome of Early Pregnancy Versus Late Pregnancy After Laparoscopic Sleeve Gastrectomy	40
Correction: Advice of General Practitioner, of Surgeon, of Endocrinologist, and Self-Determination: the Italian Road to Bariatric Surgery	36
Beyond the BMI: a Critical Analysis of the Edmonton Obesity Staging System and the New Guidelines for Indications for Metabolic and Bariatric Surgery	36
Comprehensive Analysis of Improvements in Health-Related Quality of Life and Establishment of QALY Gains in a Government-Funded Bariatric Surgical Program with 5-Year Follow-up	36
Prevalence of Micronutrient Deficiencies in Preoperative Bariatric Patients in a New Zealand Tertiary Centre	36
Single-Port One Anastomosis Sleeve Gastrectomy with Transit Bipartition: Initial Experience and Technique	36
Excess Weight Loss at 6 Months Following Laparoscopic Sleeve Gastrectomy Correlates with the Remission of Hyperuricemia	35

Priority Index for Bariatric Surgery Based on a New Classification of Severity in Obesity	34
Endoscopic Sleeve Gastroplasty for Obesity Management Should Also Be a Consideration in Patients Unsuitable for Anti-obesity Medications	33
The Early Effects of Bariatric Surgery on Cardiac Structure and Function: a Systematic Review and Meta-Analysis	32
Learning Curve for Laparoscopic Sleeve Gastrectomy: a Cumulative Summation (CUSUM) Analysis	32
Hospital Variation in Preference for a Specific Bariatric Procedure and the Association with Weight Loss Performance: a Nationwide Analysis	32
Modified Hepatobiliary Scintigraphy for the Diagnosis of Bile Reflux in One-Anastomosis Gastric Bypass Surgery: a Prospective Multicenter Study	32
Correction to: The Effect of Exercise for the Prevention of Bone Mass Loss After Bariatric Surgery: a Systematic Review and Meta‑analysis	31
Bariatric Surgery and Psychological Health: A Randomised Clinical Trial in Patients with Obesity and Type 2 Diabetes	31
Changes in the Structure, Function, and Fat Content of the Heart in Patients with Obesity After Bariatric Surgery—A Prospective Magnetic Resonance Imaging Study	31