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Surgical Technology International

35th Edition

Contains 55 peer-reviewed articles featuring the latest advances in surgical techniques and technologies.

456 pages

Nov 2019 - ISSN:1090-3941

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Surgical Overview

Abdominal Fascia Closure Techniques During Laparoscopy

Marco Mouanness, MD, Chief Resident, Department of Obstetrics and Gynecology, American University of Beirut Medical Center, Beirut, Lebanon, Sally Khoury, MD, Gynecologist/Obstetrician, Department of Obstetrics and Gynecology, Bekhazi Medical Group and Trad Hospital, Beirut, Lebanon, Joseph Nassif, MD, Assistant Professor , Department of Obstetrics and Gynecology/Laparoscopic and Minimally Invasive Gynecological Surgery, American University of Beirut Medical Center, Beirut, Lebanon

1153

 

Abstract


Due to its decreased recovery time and increased patient satisfaction, laparoscopic surgery has witnessed an exponential rise in the last decade. In fact, the indications for laparoscopic surgery are currently numerous and involve multiple disciplines, including gastro-intestinal and gynecological surgery. With this boom, there is much focus on decreasing the rate of complications due to laparoscopy. This includes, but is not limited to, an increased interest in decreasing the risk of port-site herniation by ensuring proper closure of the abdominal wall at the site of port-insertion. This text will review the anatomy of the abdominal wall, describe the different open and laparoscopic techniques developed to close the defects in the abdominal wall post-laparoscopic surgery, list the advantages and disadvantages of these described techniques, and offer a brief summary of recommendations to surgeons for abdominal fascia closure post-laparoscopy.

 

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Next-generation Virtual and Augmented Reality in Surgical Education: A Narrative Review
Sharaf Sheik-Ali, MBBS, BSc, Academic Foundation Doctor, Hilary Edgcombe, BM, BCh (Oxon), FRCA (Lon), MSc Global Health (KCL), Consultant Anaesthetist, Chris Paton, MBBS, MBA, Head of the Global Health Informatics Group, Centre for Tropical Medicine and Global Health University of Oxford, Oxford, UK, University of Oxford, Oxford, UK

1175

 

Abstract


Background: Virtual and Augmented Reality (VR/AR) has been used in surgery for several decades. Over the past 5-10 years, however, new technological advances, including high-resolution screens, mobile graphical processing units (mGPUs) and position-sensing technologies, have been incorporated into relatively low-cost VR and AR devices. This review focuses on the current impact of the application of these “Phase 2” VR/AR technology in surgical training.
Methods: A narrative literature review was undertaken using PubMed and Web of Science to identify comparative studies related to the impact of Phase 2 VR or AR tools on surgical training, defined in terms of the acquisition of technical surgical skills. Eleven studies on the effectiveness of VR/AR in surgical education were identified for full review. Further, the grey literature was searched for articles describing the current state of VR/AR in surgical education. A quality analysis using the Newcastle Ottawa scale showed a median score of 7 (out of a maximum achievable score of 9).
Results: All studies showed a positive association between the use of VR/AR in surgical training and skill acquisition in terms of improving the speed of acquisition of surgical skills, the surgeon’s ability to multitask, the ability to perform a procedure accurately, hand-eye coordination and bimanual operation. The grey literature presented a common, positive theme of the benefits of VR/AR in surgical training.
Conclusions: Based on the limited evidence available, VR/AR appears to have positive training benefits in improving the speed of acquisition of surgical skills. However, the significant heterogeneity in study methodology and the relative recency of wider VR/AR adoption in surgical training mean that only tentative conclusions can be drawn at this stage. Further research, ideally with large sample sizes, robust outcome measures and longer follow-up periods, is recommended.

 

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5th Generation Mobile Communication: Data Highway for Surgery 4.0
Alissa Jell, MD, Resident, Thomas Vogel, MD, Resident, Daniel Ostler, MSc, Managing Engineer, Nils Marahrens, MSc, Consulting Engineer, Dirk Wilhelm, MD, Consultant Surgeon, Nicole Samm, MD, Resident, Hubertus Feussner, MD, Consultant Surgeon, Helmut Friess, MD, Head of Department, Michael Kranzfelder, MD, Consultant Surgeon, Technical University Munich (TUM), Munich, Germany, Joseph Eichinger, Head of 5G Wireless System Design Group, Walter Weigel, PhD, VP and CSO European Research Institute, Huawei Technologies Düsseldorf GmbH, European Research Center, Munich, Germany

1192

 

Abstract


Introduction: 5th generation cellular mobile communications (5G) is one of the main requirements for the digital future. The new standard will offer high bandwidths (10GB/s), low latency (<1ms), and a high quality of service. It is not yet known whether 5G performance is sufficient for demanding eHealth applications (e.g., telemedicine).
Material and Methods: We evaluated 5G performance in two different medical applications (person/asset track & tracing and video data transmission for telesurgery) to appraise the impact of this new technology. In addition, a Delphi study was conducted evaluating the expectations and acceptance of 5G in the medical field in general.
Results: Delphi study revealed that 5G has great potential for the future information transfer in the healthcare domain, and an increase of research activities for 5G applications in hospitals is needed. Clinical evaluation proved technical feasibility and accuracy of the 5G track & trace prototype solution. For the telepresence use case, the video stream data rate varied between 900KB—1MB/s (7.2–8 Mb/s). The data rate of the robotic control command varied between 2.4–7.2KB/s (19.2–57.6Kb/s). Delay time (latency) ranged between 2–60ms depending on the transmitted data packet length. Seventy-five percent of data packets were processed after 30ms.
Conclusion: 5G data transmission volume, rate, and latency met the requirements for real-time track & trace and telemedicine applications. Especially for the latter, 5G data transmission offers a high potential and further research should be carried out.

 

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Robotic-assisted Excision of Giant Prostatic Utricular Cysts: Technique, Outcomes and Follow-up
Wael Yaseen Khoder, MD, PhD, FACS, Vice Chairman, Christian Gratzke, MD, PhD, Professor and Chairman, Freiburg University, Freiburg in Breisgau, Germany, Alexander Kretschmer, MD, PhD, Senior Urologist, Armin Becker, MD, PhD, Vice Chairman, Christian Stief, MD, PhD, Professor and Chairman, Ludwig-Maximilians-University Munich, Munich, Germany

1165

 

Abstract


Background: Utricular cysts are usually the result of incomplete involution of the Müllerian ducts and may have no urethral connection. Treatment options for symptomatic utricular cysts include an open abdominal approach, trans-vesical excision, vasoligation without excision and laparoscopic/robotic-assisted excision.
Patients and methods: Two patients (14 and 45 years old) with recurrent urinary tract infections associated with recurrent lower urinary tract irritative symptoms and recurrent perineal pains presented to our department. Clinical, radiological and MRI examinations showed 6x3 and 5x4cm utricular cysts, respectively. Both patients underwent robotic-assisted complete dissection of the cyst, including its neck. Separation of the cysts from surrounding tissues as well as the seminal vesicles while avoiding injury to the neurovascular bundles was followed by incision of the prostate base to dissect the cyst neck from the prostatic parenchyma up to its connection to the urethra. The cyst neck was secured with either one clip or 4/0 vicryl sutures. The field was reconstructed with 4/0 sutures. The patients were followed-up at 3, 6 and 12 months postoperatively.
Results: There were no intraoperative complications or injuries to the neighboring structures (seminal vesicles, vas deferens and urethra). The operative time was 95 and 80 minutes, respectively, with negligible blood loss. Both patients underwent an uneventful recovery from surgery, and were discharged on the 5th postoperative day. Both patients were asymptomatic throughout the entire follow-up period (15 months). MRI at 3 months showed no abnormalities. The postoperative IIEF score in the older patient showed no difference compared to his baseline findings. The life quality score showed high patient acceptance and both patients indicated that they would recommend the procedure.
Conclusions: Symptomatic presentation of utricular cysts may be associated with recurrent urinary tract infections, orchitis-epididymitis and potential for malignancy. The present cases demonstrate that robotic-assisted surgical excision of symptomatic utricular cysts is a feasible and safe procedure. It seems to provide excellent visualization and access to these lesions. This procedure provides patients the advantages of minimally invasive surgery with outcomes comparable to those with other management techniques.

 

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