George Tsavellas

Predicting the difficult laparoscopic cholecystectomy: development and validation of a pre-operative risk score using an objective operative difficulty grading system

Ahmad H. M. Nassar, James Hodson, Hwei Jene Ng et al. · Surgical Endoscopy · 2019 · 133 citations

Medicine, Perioperative Medicine, Surgery +16

Population-based cohort study of outcomes following cholecystectomy for benign gallbladder diseases

Ravinder Vohra, Sandro Pasquali, Amanda Kirkham et al. · British journal of surgery · 2016 · 122 citations · Full text

Medicine, Perioperative Medicine, Surgery +15

Preoperative risk factors for conversion from laparoscopic to open cholecystectomy: a validated risk score derived from a prospective U.K. database of 8820 patients

Robert P. Sutcliffe, Marianne Hollyman, James Hodson et al. · HPB · 2016 · 104 citations · Full text

Medicine, Perioperative Medicine, Surgery +15

Population-based cohort study of variation in the use of emergency cholecystectomy for benign gallbladder diseases

Ravinder Vohra, Sandro Pasquali, Amanda Kirkham et al. · British journal of surgery · 2016 · 49 citations · Full text

Medicine, Internal Medicine, Surgery +16

Cost-effectiveness of emergency <i>versus</i> delayed laparoscopic cholecystectomy for acute gallbladder pathology

Andrew Sutton, Ravinder Vohra, Marianne Hollyman et al. · British journal of surgery · 2016 · 45 citations · Full text

Pharmacy, Pharmacoeconomics, Surgery +17