John Hagen

Ultrasound-guided bilateral rectus sheath block vs. conventional local analgesia in single port laparoscopic appendectomy for children with nonperforated appendicitis

Caroline Maloney, Michelle P. Kallis, Ibrahim Abd El-Shafy et al. · Journal of Pediatric Surgery · 2017 · 33 citations

Medicine, Pediatrics, Surgery +17

Safety and effectiveness of bariatric surgery: Roux-en-Y gastric bypass is superior to gastric banding in the management of morbidly obese patients

Ulrich Güller, Lazar V Klein, John Hagen · Patient Safety in Surgery · 2009 · 18 citations · Full text

Medicine, Surgery, Gastroenterology +15

Safety and effectiveness of bariatric surgery: Roux-en-y gastric bypass is superior to gastric banding in the management of morbidly obese patients: a reply to the response by Bhoyrul et al

Ulrich Güller, Lazar V Klein, John Hagen · Patient Safety in Surgery · 2009 · 13 citations · Full text

Medicine, Surgery, Evidence-based Practice +8

Blood pressure variability during pediatric cardiac surgery is associated with acute kidney injury

Jennifer Fishbein, Matthew Franklin Barone, James B. Schneider et al. · Pediatric Nephrology · 2021 · 13 citations

Medicine, Pediatrics, Surgery +14

Safe implementation of laparoscopic gastrectomy in a community-based general surgery practice

Peter Stotland, Shea Chia, Jamie Cyriac et al. · Surgical Endoscopy · 2008 · 12 citations

Medicine, Surgery, General Surgery +7