Queen Elizabeth Hospital 2 articles published in JoVE Medicine Laparoscopic Non-Mesh Cerclage Pectopexy for Pelvic Organ Prolapse Wenju Zhang*1, Willy Cecilia Cheon*2, Hextan Yuen Sheung Ngan*3, Yuzhen Wei1, Chaoxia Lyu1 1Department of Gynecology and Obstetrics, The University of Hong Kong-Shenzhen Hospital, 2Department of Gynecology and Obstetrics, Queen Elizabeth Hospital, 3Department of Obstetrics and Gynecology, Queen Mary Hospital, The University of Hong Kong The present pilot study describes the development of laparoscopic non-mesh cerclage pectopexy to treat pelvic organ prolapse. The procedure can be used to prevent any complications associated with the use of mesh. Neuroscience Simple Surgical Induction of Conductive Hearing Loss with Verification Using Otoscope Visualization and Behavioral Clap Startle Response in Rat Francis A. M. Manno*1, Sinai H. C. Manno*2,3,4, Victor Ma5, Fernando A. Barrios1, William C Cho5, Shuk Han Cheng2,3,6, Condon Lau4 1Instituto de Neurobiología, Universidad Nacional Autónoma de México, México, 2State Key Laboratory of Marine Pollution (SKLMP), City University of Hong Kong, Hong Kong, 3Department of Biomedical Sciences, College of Veterinary Medicine and Life Sciences, City University of Hong Kong, Hong Kong, 4Department of Physics, City University of Hong Kong, Hong Kong, 5Department of Clinical Oncology, Queen Elizabeth Hospital, Hong Kong, 6Department of Materials Science and Engineering, City University of Hong Kong, Hong Kong Here, we present a protocol to establish a replicable conductive hearing loss induction via surgical tympanic membrane puncture and verification by otoscope visualization and behavioral assessment by clap startle.