en Bariatric Surgery Bariatric Surgery Brief communication Brief communication ABSTRACT<br> Laparoscopy begins with the safe creation of a pneumoperitoneum, often a difficult step in the bariatric patient. To minimize entry-related injuries, several techniques, instruments and approaches have been introduced during the last years. First Trocar insertion related Complications can occur even in the best of hands and it is vital that these are recognized promptly and immediately addressed. In our experience we use some steps in trocar entry to minimize trocar related abdominal injuries. Bariatric Surgery, Laparoscopy, Pneumoperitoneum, Trocar, visual entry system 18 21 http://annbsurg.iums.ac.ir/browse.php?a_code=A-10-61-1&slc_lang=en&sid=1 Abdolreza Pazouki pazouki.a@iums.ac.ir 10031947532846001571 10031947532846001571 Yes Minimally Invasive Surgery Research Center, Iran University of Medical Sciences, Tehran, Iran. Center of Excellence of International Federation for Surgery of Obesity and Metabolic Disorders, Tehran, Iran. barmak gholizadeh barmak.gholizadeh@gmail.com 10031947532846001572 10031947532846001572 No Minimally Invasive Surgery Research Center, Iran University of Medical Sciences, Tehran, Iran, 2Center of Excellence of International Federation for Surgery of Obesity and Metabolic Disorders, Tehran, Iran Shahid Beheshti University of Medical Sciences, Tehran, Iran Behnam Reza Makhsosi makhsosi56_ behnamreza@yahoo.com 10031947532846001573 10031947532846001573 No Fellowship of Laparoscopic Surgery, Iran University of Medical Sciences, Tehran, Iran. Associate Professor of General Surgery, Kermanshah University of Medical Sciences. Minimally Invasive Surgery Research Center, Iran University of Medical Sciences, Tehran, Iran. Center of Excellence of International Federation for Surgery of Obesity and Metabolic Disorders, Tehran, Iran.