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 2021-06-01 to 2025-06-01.)

Article	Citations
Answer to: “Prompt Sonographic Assessment of Body Composition After Bariatric Surgery”	331
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	185
Incidence and Intensity of Early Dumping Syndrome and Its Association with Health-Related Quality of Life Following Sleeve Gastrectomy	89
Bariatric Surgical Services Within a Pandemic Can Continue Safely: the Initial Experience of a UK Centre of Excellence	82
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	71
Laparoscopic Roux-en-Y Gastric Bypass to Improve Remission Rates of Type 2 Diabetes Mellitus: a Trial Sequential Analysis	61
Minimally Invasive Common Bile Duct Stone Management in Gastric Bypass Patients: Laparoscopic Common Bile Duct Exploration with Disposable Bronchoscope	55
Avoiding Complications During Revisional Bariatric Surgery with Indocyanine Green Fluorescence Imaging	52
Remission of Type II Diabetes Mellitus 1-Year Postoperative Following One Anastomosis Gastric Bypass in Correlation with ABCD, DiaRem, and DRS Scores	46
Qualitative and Economic Impact of Standardized and Digitalized Operation Room Processes in Obesity Surgery	45
Correlation Between Gastrojejunal Anastomosis Diameter, Distensibility Index, and Weight Regain After Roux-en-Y Gastric Bypass	44
Further Discussion on the IFSO Position Statement	43
Correction: The Effect of Diet Composition on the Post-operative Outcomes of Roux-en-Y Gastric Bypass in Mice	42
Response to Letter to the Editor: The Association of Helicobacter pylori, Eradication, and Early Complications of Laparoscopic Sleeve Gastrectomy	42
Collateral Benefit of Systematic Improvement in Bariatric Surgery Outcomes Following a Single Quality Improvement Project for Bleeding	42
Risk of Reopening of the Mesenteric Defects After Routine Closure in Laparoscopic Roux-en-Y Gastric Bypass: a Single-Centre Experience	38
Improvement in Pulmonary Hypertension Following Metabolic and Bariatric Surgery: a Brief Review and Meta-analysis	37
Correction: Advice of General Practitioner, of Surgeon, of Endocrinologist, and Self-Determination: the Italian Road to Bariatric Surgery	36
Prevalence of Micronutrient Deficiencies in Preoperative Bariatric Patients in a New Zealand Tertiary Centre	36
Midterm Outcome of Early Pregnancy Versus Late Pregnancy After Laparoscopic Sleeve Gastrectomy	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	35
Single-Port One Anastomosis Sleeve Gastrectomy with Transit Bipartition: Initial Experience and Technique	35
Beyond the BMI: a Critical Analysis of the Edmonton Obesity Staging System and the New Guidelines for Indications for Metabolic and Bariatric Surgery	34
Excess Weight Loss at 6 Months Following Laparoscopic Sleeve Gastrectomy Correlates with the Remission of Hyperuricemia	34
Endoscopic Sleeve Gastroplasty for Obesity Management Should Also Be a Consideration in Patients Unsuitable for Anti-obesity Medications	33

Priority Index for Bariatric Surgery Based on a New Classification of Severity in Obesity	33
Modified Hepatobiliary Scintigraphy for the Diagnosis of Bile Reflux in One-Anastomosis Gastric Bypass Surgery: a Prospective Multicenter Study	32
The Early Effects of Bariatric Surgery on Cardiac Structure and Function: a Systematic Review and Meta-Analysis	32
Hospital Variation in Preference for a Specific Bariatric Procedure and the Association with Weight Loss Performance: a Nationwide Analysis	32
Learning Curve for Laparoscopic Sleeve Gastrectomy: a Cumulative Summation (CUSUM) Analysis	31
Correction to: The Effect of Exercise for the Prevention of Bone Mass Loss After Bariatric Surgery: a Systematic Review and Meta‑analysis	31