Geneva, Feb. 2 -- International Clinical Trials Registry received information related to the study (ChiCTR2600117074) titled 'Effects of Different Pneumoperitoneum Pressures on Cerebral Oxygen Metabolism in Infants during Laparoscopic Surgery' on Jan. 19.

Study Type: Interventional study

Study Design: Parallel

Primary Sponsor: Children's Hospital of Nanjing Medical University

Condition: Congenital duodenal obstruction, Hypertrophic pyloric stenosis, Hypertrophic pyloric stenosis, Biliary atresia, Congenital hydronephrosis

Intervention: Group A:Group A set the pneumoperitoneum pressure at 3 mmHg, The pneumoperitoneum pressure was adjusted according to the laparoscopic field conditions. When the field was clear, the pneumoperitone...