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## Meet the editors

Dr. Selim Sözen is an expert in general surgery who received his medical degree from Ondokuz Mayıs University, Turkey, in 1998. From 1999 to 2004, he was an assistant doctor at Ankara Atatürk Education and Research Hospital, Turkey. From 2004 to 2013, he worked as a specialist at different government hospitals in Turkey. He joined the Department of General Surgery, Medicine Faculty, Namık Kemal University, Turkey, as

an associate professor in 2013. He completed liver transplantation surgery at İnönü University, Turkey, in 2014–2015. Since 2016, Dr. Sözen has run his own surgery clinic in İstanbul, Turkey. He is a member of the Turkish Surgical Association and a review board member for several journals. He has published 109 articles in scientific journals and presented 64 poster papers at scientific congresses. His research interests include general, gastrointestinal, emergency, and trauma surgery, bacterial translocation, liver disease, and hernia surgery.

Dr. Hasan Erdem received his medical education between 1996 and 2002 at the Medical School of Istanbul University. In 2008, he completed his specialization in General Surgery at the Bezmialem Vakıf Gureba Teaching Hospital, Istanbul. Dr.Erdem was assigned to a state hospital where he performed his obligatory residency between 2009 and 2011. Upon completing his mandatory service, he worked as Chief Assistant in General

Surgery at the Training and Research Hospital of Adana where he continued his studies in advanced laparoscopic and robotic surgery. In 2016, he established his private clinic in which he currently works. Dr. Erdem was granted the title Associate Professor of Obesity Surgery and Metabolic in 2018.

### Contents



## Preface

This book is a collection of review papers on hernia surgery. In addition to sharing their knowledge, the authors provide their personal clinical experience, making this book a useful resource for scientists and physicians practicing in the field of hernia surgery. Chapter 1, "Introductory Chapter: Abdominal Wall Hernias and Prosthetic Material" by Dr. Selim Sözen et al., examines the causes of hernia as well as discusses prosthetic material used in hernia repair such as synthetic, inorganic mesh patches. Chapter 2, "Anatomical and Surgical Principles of Ventral Hernia Repairs" by Dr. Charalampos Seretis et al., discusses anatomical and surgical principles of ventral hernia repairs. Chapter 3, "Totally Extraperitoneal Approach (TEP) for Inguinal Hernia Repair" by Dr. Ioannis Triantafyllidis, discusses laparoendoscopic inguinal hernia repair as the procedure of choice for the management of most primary recurrent inguinal hernias. Chapter 4, "Spigelian Hernia" by Dr. Bruno Barbosa et al., focuses on the intraperitoneal onlay mesh (IPO) approach. This procedure is a quick and technically less demanding approach that requires a shorter learning curve compared to others. IPOM does not require a peritoneal flap and surgeons are more familiar with the intra-abdominal anatomy. Chapter 5, "Spigelian Hernia: Clinical Features and Management" by Dr. Somprakas Basu et al., presents the differential diagnosis of spigelian hernia. Depending on its location, a spigelian hernia may mimic intra-abdominal pathologies, which can present with pain such as acute appendicitis, twisted ovarian cyst, tubo-ovarian pathologies, mesenteric lymphadenitis, biliary colic, peptic ulcer pain, pancreatic pain, or mesenteric ischemia. Chapter 6, "Laparoscopic Findings of Rare Pediatric Inguinal Hernias" by Dr. Michinobu Ohno et al., focuses on the laparoscopic percutaneous extraperitoneal closure (LPEC) procedure. It presents the laparoscopic findings of rare pediatric inguinal hernias. The advantages of the laparoscopic technique in pediatric hernias include accurate diagnosis, minimal pain, and cosmesis. Although laparoscopic repair of femoral hernia is established in adults, most pediatric surgeons choose the open approach. Chapter 7, "Laparoscopic TAPP Inguinal Hernia Repair" by Dr. Giovambattista Caruso et al., explores the transabdominal preperitoneal (TAPP) procedure, which is associated with immediate postoperative comfort, less chronic pain and numbness, less mesh infection, and a faster return to usual activities. Another advantage of the laparoscopic technique is the possibility of diagnosing and treating occult hernia during the same operation. The disadvantages of laparoscopic procedures are a longer learning curve with a greater risk of complications during the first 30–50 procedures and higher direct costs (general anesthesia, laparoscopic equipment, staples). Chapter 8, "Management of Obturator Hernia" by Dr. Luigi Conti et al., discusses obturator hernia, which is a rare entity. Its diagnosis is often unclear and should be included in the differential diagnosis of intestinal obstruction of unknown origin. Chapter 9, "Hybrid: Evolving Techniques in Laparoscopic Ventral Hernia Mesh Repair" by Dr. Wasim Dar et al., discusses techniques of ventral hernia repair. Laparoscopic ventral hernia mesh repair is the procedure of choice for most uncomplicated ventral hernias with smaller defects. For complicated, large, and multiple defects, the laparoscopic approach presents a big challenge and hence an open approach is used. A combination of laparoscopic and open techniques with minimal access avoids dissection of large subcutaneous flaps, early post-operative recovery, and comparable results. Chapter 10, "Robotic Complex Abdominal Wall Reconstruction: The Evolution of Component Separation" by Dr. Rodolfo J. Oviedo et al., encourages readers to enter the realm of robotic abdominal wall reconstruction Finally, Chapter 11, "Laparoscopic Hiatal Hernia Repair during in-Sleeve Gastrectomy" by Dr. Selim Sözen et al., discusses the limits and significance of the surgical management of hiatal hernia repair.

I thank the authors for their professional dedication and outstanding work in summarizing their clinical and research practices.

> **Selim Sözen** Associate Professor of General Surgery, Sözen Surgery Clinic, İstanbul, Turkey

> **Hasan Erdem** Associate Professor of General Surgery, HE Obesity Clinic, İstanbul, Turkey
