OOIR: Observatory of International Research

Papers

(The H4-Index of Obesity Surgery is 34. 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 2022-01-01 to 2026-01-01.)

Article	Citations
Answer to: “Prompt Sonographic Assessment of Body Composition After Bariatric Surgery”	468
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	231
Priority Index for Bariatric Surgery Based on a New Classification of Severity in Obesity	161
Prevalence of Micronutrient Deficiencies in Preoperative Bariatric Patients in a New Zealand Tertiary Centre	131
Correction: Advice of General Practitioner, of Surgeon, of Endocrinologist, and Self-Determination: the Italian Road to Bariatric Surgery	120
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	73
Single-Port One Anastomosis Sleeve Gastrectomy with Transit Bipartition: Initial Experience and Technique	69
Correction: The Effect of Diet Composition on the Post-operative Outcomes of Roux-en-Y Gastric Bypass in Mice	66
Collateral Benefit of Systematic Improvement in Bariatric Surgery Outcomes Following a Single Quality Improvement Project for Bleeding	61
Risk of Reopening of the Mesenteric Defects After Routine Closure in Laparoscopic Roux-en-Y Gastric Bypass: a Single-Centre Experience	56
Improvement in Pulmonary Hypertension Following Metabolic and Bariatric Surgery: a Brief Review and Meta-analysis	52
Further Discussion on the IFSO Position Statement	51
Qualitative and Economic Impact of Standardized and Digitalized Operation Room Processes in Obesity Surgery	51
Response to Letter to the Editor: The Association of Helicobacter pylori, Eradication, and Early Complications of Laparoscopic Sleeve Gastrectomy	50
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	47
Laparoscopic Roux-en-Y Gastric Bypass to Improve Remission Rates of Type 2 Diabetes Mellitus: a Trial Sequential Analysis	46
Minimally Invasive Common Bile Duct Stone Management in Gastric Bypass Patients: Laparoscopic Common Bile Duct Exploration with Disposable Bronchoscope	45
Correction to: The Effect of Exercise for the Prevention of Bone Mass Loss After Bariatric Surgery: a Systematic Review and Meta‑analysis	43
Commentary on “Histopathological Examination of 404 Sleeve Gastrectomy Specimens at a Large UK Center and Systematic Review of the Published Literature”	43
Role of Endoluminal Functional Lumen Imaging Probe in Bariatric Surgery and Bariatric Endoscopy	41
Association Between Energy and Macronutrient Intakes and Weight Change After Bariatric Surgery: a Systematic Review and Meta-analysis	40
Long-Term Weight Outcome After Bariatric Surgery in Patients with Melanocortin-4 Receptor Gene Variants: a Case–Control Study of 105 Patients	39
Beyond the BMI: a Critical Analysis of the Edmonton Obesity Staging System and the New Guidelines for Indications for Metabolic and Bariatric Surgery	39
Risk of Harm from Use of Sodium-Glucose Co-Transporter-2 (SGLT-2) Inhibitors in Patients Pre or Post Bariatric Surgery	38
Correlation Between Gastrojejunal Anastomosis Diameter, Distensibility Index, and Weight Regain After Roux-en-Y Gastric Bypass	38

The Impact of Preoperative Dexamethasone Administration on Quality of Recovery Following Laparoscopic Sleeve Gastrectomy: A Prospective Observational Study	38
Appetite Changes in Weight Regain and Weight Maintenance After Roux-en-Y Gastric Bypass	37
Exploring Complication Risks and Innovations in Postweight Loss Recovery of Emerging Anti-obesity Medications	37
Modified Hepatobiliary Scintigraphy for the Diagnosis of Bile Reflux in One-Anastomosis Gastric Bypass Surgery: a Prospective Multicenter Study	36
Endoscopic Sleeve Gastroplasty for Obesity Management Should Also Be a Consideration in Patients Unsuitable for Anti-obesity Medications	36
Body Composition Differences Between Excess Weight Loss ≥ 50% and < 50% at 12 Months Following Bariatric Surgery	35
Incidence and Intensity of Early Dumping Syndrome and Its Association with Health-Related Quality of Life Following Sleeve Gastrectomy	34
Bariatric Surgery and Psychological Health: A Randomised Clinical Trial in Patients with Obesity and Type 2 Diabetes	34
Telephone-Based Cognitive Behavioral Therapy After Bariatric Surgery: Insights From 18-Month Outcomes	34
Midterm Outcome of Early Pregnancy Versus Late Pregnancy After Laparoscopic Sleeve Gastrectomy	34
Preoperative LMWH and Bleeding Outcomes Following Sleeve Gastrectomy: A Retrospective Cohort Study	34