OOIR: Observatory of International Research

Papers

(The H4-Index of Obesity Surgery is 32. 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 2021-09-01 to 2025-09-01.)

Article	Citations
Answer to: “Prompt Sonographic Assessment of Body Composition After Bariatric Surgery”	377
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	207
Incidence and Intensity of Early Dumping Syndrome and Its Association with Health-Related Quality of Life Following Sleeve Gastrectomy	113
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	103
Laparoscopic Roux-en-Y Gastric Bypass to Improve Remission Rates of Type 2 Diabetes Mellitus: a Trial Sequential Analysis	96
Minimally Invasive Common Bile Duct Stone Management in Gastric Bypass Patients: Laparoscopic Common Bile Duct Exploration with Disposable Bronchoscope	63
Avoiding Complications During Revisional Bariatric Surgery with Indocyanine Green Fluorescence Imaging	61
Remission of Type II Diabetes Mellitus 1-Year Postoperative Following One Anastomosis Gastric Bypass in Correlation with ABCD, DiaRem, and DRS Scores	52
Qualitative and Economic Impact of Standardized and Digitalized Operation Room Processes in Obesity Surgery	51
Correction: The Effect of Diet Composition on the Post-operative Outcomes of Roux-en-Y Gastric Bypass in Mice	46
Further Discussion on the IFSO Position Statement	46
Response to Letter to the Editor: The Association of Helicobacter pylori, Eradication, and Early Complications of Laparoscopic Sleeve Gastrectomy	46
Risk of Reopening of the Mesenteric Defects After Routine Closure in Laparoscopic Roux-en-Y Gastric Bypass: a Single-Centre Experience	45
Collateral Benefit of Systematic Improvement in Bariatric Surgery Outcomes Following a Single Quality Improvement Project for Bleeding	45
Improvement in Pulmonary Hypertension Following Metabolic and Bariatric Surgery: a Brief Review and Meta-analysis	43
Midterm Outcome of Early Pregnancy Versus Late Pregnancy After Laparoscopic Sleeve Gastrectomy	42
Prevalence of Micronutrient Deficiencies in Preoperative Bariatric Patients in a New Zealand Tertiary Centre	40
Correction: Advice of General Practitioner, of Surgeon, of Endocrinologist, and Self-Determination: the Italian Road to Bariatric Surgery	39
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	37
Beyond the BMI: a Critical Analysis of the Edmonton Obesity Staging System and the New Guidelines for Indications for Metabolic and Bariatric Surgery	37
Single-Port One Anastomosis Sleeve Gastrectomy with Transit Bipartition: Initial Experience and Technique	37
Endoscopic Sleeve Gastroplasty for Obesity Management Should Also Be a Consideration in Patients Unsuitable for Anti-obesity Medications	36
Priority Index for Bariatric Surgery Based on a New Classification of Severity in Obesity	36
Excess Weight Loss at 6 Months Following Laparoscopic Sleeve Gastrectomy Correlates with the Remission of Hyperuricemia	36
Hospital Variation in Preference for a Specific Bariatric Procedure and the Association with Weight Loss Performance: a Nationwide Analysis	35

Learning Curve for Laparoscopic Sleeve Gastrectomy: a Cumulative Summation (CUSUM) Analysis	35
Correction to: The Effect of Exercise for the Prevention of Bone Mass Loss After Bariatric Surgery: a Systematic Review and Meta‑analysis	34
A Conservative Management of Gastric Bezoar in a Novel Bariatric Procedure: Nissen-Sleeve Gastrectomy	33
Evaluation of Pulmonary Function in Long-Term Follow-Up After Laparoscopic Sleeve Gastrectomy	33
Histopathological Examination of 404 Sleeve Gastrectomy Specimens at a Large UK Center and Systematic Review of the Published Literature	33
Role of Endoluminal Functional Lumen Imaging Probe in Bariatric Surgery and Bariatric Endoscopy	33
Demographic Factors Associated with Postoperative Complications in Primary Bariatric Surgery: A Rapid Review	32