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3D laparoscopy

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https://www.readbyqxmd.com/read/27912031/three-dimensional-reconstruction-of-preoperative-imaging-improves-surgical-success-in-laparoscopy
#1
Tobias Simpfendörfer, Ziyao Li, Claudia Gasch, Frederik Drosdzol, Markus Fangerau, Michael Müller, Lena Maier-Hein, Markus Hohenfellner, Dogu Teber
PURPOSE: To show the benefit of three-dimensional (3D) reconstructions of preoperative imaging for surgical performance. METHODS: A laparoscopic training environment with 15 hidden lymph nodes was designed. Three of them were marked with radiographic contrast agent and were only distinguishable from unmarked nodes via CT imaging. Thirty-six surgeons were divided into two groups. To group 1 the unprocessed CT data were shown. Group 2 was additionally shown a 3D reconstruction of the anatomy...
December 2, 2016: Journal of Laparoendoscopic & Advanced Surgical Techniques. Part A
https://www.readbyqxmd.com/read/27909613/the-novel-laparoscopic-training-3d-model-in-urology-with-surgical-anatomic-remarks-fresh-frozen-cadaveric-tissue
#2
REVIEW
Emre Huri, Mehmet Ezer, Eddie Chan
Laparoscopic surgery is routinely used to treat many urological conditions and it is the gold standard treatment option for many surgeries such as radical nephrectomy. Due to the difficulty of learning, laparoscopic training should start outside the operating room. Although it is a very different model of laparoscopic training; the aim of this review is to show the value of human cadaveric model for laparoscopic training and present our experience in this area. Fresh frozen cadaveric model in laparoscopic training, dry lab, cadaveric model, animal models and computer based simulators are the most commonly used models for laparoscopic training...
December 2016: Turkish Journal of Urology
https://www.readbyqxmd.com/read/27889223/laparoscopic-pyeloplasty-initial-experience-with-3d-vision-laparoscopy-and-articulating-shears
#3
Hiba Abou-Haidar, Talal Al-Qaoud, Roman Jednak, Alex Brzezinski, Mohamed El-Sherbiny, John-Paul Capolicchio
INTRODUCTION: Laparoscopic reconstructive surgery is associated with a steep learning curve related to the use of two-dimensional (2D) vision and rigid instruments. With the advent of robotic surgery, three-dimensional (3D) vision, and articulated instruments, this learning curve has been facilitated. We present a hybrid alternative to robotic surgery, using laparoscopy with 3D vision and articulated shears. OBJECTIVE: To compare outcomes of children undergoing pyeloplasty using 3D laparoscopy with articulated instruments with those undergoing the same surgery using standard laparoscopy with 2D vision and rigid instruments...
October 24, 2016: Journal of Pediatric Urology
https://www.readbyqxmd.com/read/27849374/impact-of-motorized-articulating-laparoscopic-devices-with-three-dimension-visualizing-system-a-pilot-study
#4
Serdar Aykan, Yigit Akin, Sabri Pelit, Hakan Gulmez, Murat Tuken, Aykut Colakerol, Atilla Semercioz, Ahmet Yaser Muslumanoglu
OBJECTIVE: To compare the efficacy between motorized articulating (AI) and rigid conventional laparoscopic instruments (CI) in chancing visualizing systems, respectively 2-dimension (2D) and 3-dimension (3D). METHODS: Sixty physicians were divided into 3 groups according to their previous experience as medical students (Group 1), residents (Group 2), and expert surgeons (Group 3). Four experimental sets were created, respectively CI-2D visualizing system (CI-2D), CI-3D visualizing system (CI-3D), AI-2D visualizing system (AI-2D), and AI-3D visualizing system (AI-3D) platforms...
November 16, 2016: Journal of Endourology
https://www.readbyqxmd.com/read/27816196/three-dimensional-laparoscopy-vs-2-dimensional-laparoscopy-with-high-definition-technology-for-abdominal-surgery-a-systematic-review
#5
REVIEW
Charlotte Fergo, Jakob Burcharth, Hans-Christian Pommergaard, Niels Kildebro, Jacob Rosenberg
BACKGROUND: This systematic review investigates newer generation 3-dimensional (3D) laparoscopy vs 2-dimensional (2D) laparoscopy in terms of error rating, performance time, and subjective assessment as early comparisons have shown contradictory results due to technological shortcomings. DATA SOURCES: This systematic review was performed according to the Preferred Reporting Items for Systematic Reviews and Meta-Analyses guidelines. Randomized controlled trials (RCTs) comparing newer generation 3D-laparoscopy with 2D-laparoscopy were included through searches in Pubmed, EMBASE, and Cochrane Central Register of Controlled Trials database...
August 31, 2016: American Journal of Surgery
https://www.readbyqxmd.com/read/27734147/laparoscopic-hysterectomy-in-the-overweight-and-obese-does-3d-imaging-make-a-change
#6
Sebastian Berlit, Amadeus Hornemann, Marc Sütterlin, Christel Weiss, Benjamin Tuschy
PURPOSE: To evaluate the influence of three-dimensional (3D) high-definition (HD) visualisation in laparoscopic hysterectomy in normal weight, overweight and obese women. METHODS: A retrospective analysis of 180 patients undergoing total laparoscopic hysterectomy (TLH: n = 90) or laparoscopic supracervical hysterectomy (LASH: n = 90) was performed. The study collective consisted of 90 women (TLH: n = 45, LASH: n = 45), who underwent laparoscopic hysterectomy with a 3D HD laparoscopic system...
October 13, 2016: Archives of Gynecology and Obstetrics
https://www.readbyqxmd.com/read/27717706/changing-the-learning-curve-in-novice-laparoscopists-incorporating-direct-visualization-into-the-simulation-training-program
#7
Mark T Dawidek, Victoria A Roach, Michael C Ott, Timothy D Wilson
OBJECTIVE: A major challenge in laparoscopic surgery is the lack of depth perception. With the development and continued improvement of 3D video technology, the potential benefit of restoring 3D vision to laparoscopy has received substantial attention from the surgical community. Despite this, procedures conducted under 2D vision remain the standard of care, and trainees must become proficient in 2D laparoscopy. This study aims to determine whether incorporating 3D vision into a 2D laparoscopic simulation curriculum accelerates skill acquisition in novices...
October 4, 2016: Journal of Surgical Education
https://www.readbyqxmd.com/read/27716879/3d-vision-improves-outcomes-in-early-cervical-cancer-treated-with-laparoscopic-type-b-radical-hysterectomy-and-pelvic-lymphadenectomy
#8
Francesco Raspagliesi, Giorgio Bogani, Fabio Martinelli, Mauro Signorelli, Cono Scaffa, Ilaria Sabatucci, Domenica Lorusso, Antonino Ditto
PURPOSE: To evaluate the alterations on surgical outcomes after of the implementation of 3D laparoscopic technology for the surgical treatment of early-stage cervical carcinoma. METHODS: Data of patients undergoing type B radical hysterectomy (with or without bilateral salpingo-oophorectomy) and pelvic lymphadenectomy via 3D laparoscopy were compared with a historical cohort of patients undergoing type B radical hysterectomy via conventional laparoscopy. Complications (within 60 days) were graded per the Accordion severity system...
October 3, 2016: Tumori
https://www.readbyqxmd.com/read/27572063/accuracy-of-preoperative-tumor-localization-in-large-bowel-using-3d-magnetic-endoscopic-imaging-randomized-clinical-trial
#9
Miroslaw Szura, Artur Pasternak, Rafal Solecki, Maciej Matyja, Antoni Szczepanik, Andrzej Matyja
BACKGROUND: Laparoscopic surgery has become the standard treatment for colorectal cancer. A tumor that does not involve serosa is invisible intraoperatively, and manual palpation of the tumor during laparoscopy is not possible. Therefore, accurate localization of the neoplastic infiltrate remains one of the most important tasks prior to elective laparoscopic surgery. The aim of this study was to evaluate the utility of a magnetic endoscopic imaging (MEI) for precise preoperative endoscopic localization of neoplastic infiltrate within the large bowel...
August 29, 2016: Surgical Endoscopy
https://www.readbyqxmd.com/read/27545458/-history-and-development-trend-of-minimally-invasive-surgery-for-colorectal-cancer-in-china
#10
Minhua Zheng, Junjun Ma
With the development in past 20 years, the utilization of the laparoscopic surgery, which is the main trend in minimally invasive surgery for colorectal cancer, has tremendously changed. Minimally invasive surgery for colorectal cancer is now at a high level platform after going through the exploration at the very beginning and rapid development in the period of standardizing and promoting the regulations. Nowadays, the unique advantage that the laparoscopy owns is high definition and enlargement of the image, along with the establishment of the key note in series of laparoscopic complete mesocolic excision and the improvement of surgical instruments and methods make the operation skills accurate and normative in exploration of correct plane, high ligation of vessels and protection of nerve during the lymph node dissection of colorectal surgery...
August 25, 2016: Zhonghua Wei Chang Wai Ke za Zhi, Chinese Journal of Gastrointestinal Surgery
https://www.readbyqxmd.com/read/27539218/the-viewpoint-specific-failure-of-modern-3d-displays-in-laparoscopic-surgery
#11
Shinichiro Sakata, Philip M Grove, Andrew Hill, Marcus O Watson, Andrew R L Stevenson
PURPOSE: Surgeons conventionally assume the optimal viewing position during 3D laparoscopic surgery and may not be aware of the potential hazards to team members positioned across different suboptimal viewing positions. The first aim of this study was to map the viewing positions within a standard operating theatre where individuals may experience visual ghosting (i.e. double vision images) from crosstalk. The second aim was to characterize the standard viewing positions adopted by instrument nurses and surgical assistants during laparoscopic pelvic surgery and report the associated levels of visual ghosting and discomfort...
August 19, 2016: Langenbeck's Archives of Surgery
https://www.readbyqxmd.com/read/27438175/three-dimensional-against-2-dimensional-laparoscopic-colectomy-for-right-sided-colon-cancer
#12
Kaixiong Tao, Xinghua Liu, Meizhou Deng, Wenjia Shi, Jinbo Gao
BACKGROUND: Major limitations of conventional 2-dimensional (2D) laparoscopy are a lack of depth perception and spatial orientation. Three-dimensional (3D) laparoscopy was developed to overcome the limitations of the 2D technique. However, it has not been widely accepted due to a lack of conclusive evidence of benefit. The aim of this study was to evaluate the effect of 3D laparoscopy on the operative performance during elective laparoscopic right colectomy. METHODS: A total of 58 consecutive patients underwent laparoscopic colectomy for right-sided colon cancer by a single experienced surgeon between January 2014 and July 2015...
August 2016: Surgical Laparoscopy, Endoscopy & Percutaneous Techniques
https://www.readbyqxmd.com/read/27403367/bilateral-morgagni-hernia-a-unique-presentation-of-a-rare-pathology
#13
Michael Leshen, Randy Richardson
Morgagni hernia is an unusual congenital herniation of abdominal content through the triangular parasternal gaps of the anterior diaphragm. They are commonly asymptomatic and right-sided. We present a case of a bilateral Morgagni hernia resulting in delayed growth in a 10-month-old boy. The presentation was unique due to its bilateral nature and its symptomatic compression of the mediastinum. Diagnosis was made by 3D reconstructed CT angiogram. The patient underwent medical optimization until he was safely able to tolerate laparoscopic surgical repair of his hernia...
2016: Case Reports in Radiology
https://www.readbyqxmd.com/read/27373783/incorporating-3d-laparoscopy-for-the-management-of-locally-advanced-cervical-cancer-a-comparison-with-open-surgery
#14
Francesco Raspagliesi, Giorgio Bogani, Fabio Martinelli, Mauro Signorelli, Valentina Chiappa, Cono Scaffa, Ilaria Sabatucci, Marco Adorni, Domenica Lorusso, Antonino Ditto
PURPOSE: To test the effects of the implementation of 3D laparoscopic technology for the execution of nerve-sparing radical hysterectomy. METHODS: Thirty patients undergoing nerve-sparing radical hysterectomy via 3D laparoscopic (3D-LNSRH, n = 10) or open surgery (NSRH, n = 20) were studied prospectively. RESULTS: No significant differences were observed in baseline patient characteristics. Operative times were similar between groups. We compared the first 10 patients undergoing 3D-LNSRH with the last 20 patients undergoing NSRH...
August 3, 2016: Tumori
https://www.readbyqxmd.com/read/27353095/-advances-of-minimally-invasive-technique-in-colorectal-cancer-surgery
#15
Xishan Wang
Colorectal surgery is rapidly developing in the direction of minimally invasive surgery and functional surgery. New technology and ideas are constantly emerging recently. Laparoscopic colon surgery has already been recommended by NCCN guideline. However, laparoscopic rectal cancer surgery still needs to wait for survival and recurrence rates of long-term follow-up data for verification. In recent years, with the rapid progression of imaging equipment of laparoscope, the new 3D laparoscopic system will process image more quickly, and surgeons can get space depth feeling like open surgery only with a pair of glasses...
June 2016: Zhonghua Wei Chang Wai Ke za Zhi, Chinese Journal of Gastrointestinal Surgery
https://www.readbyqxmd.com/read/27318772/-what-signs-should-you-look-for-ultrasound-2d-3d-to-affirm-the-good-location-of-tubal-implants-about-a-retrospective-study-of-92%C3%A2-cases
#16
M Simorre, P Lopes, C Le Vaillant
OBJECTIVE: The aim of this study is to propose an analysis of the route and the curvature of the Essure(®) system in 3D ultrasound to determine their correct location so as not to miss a tubal perforation. METHODS: This is a retrospective single center study during 2 years analyzing 92 3D ultrasound performed by a single sonographer. Implant placement was performed by different operators. One prescribed 3D ultrasound control in case of difficulties with the installation; other indications where systematics...
June 16, 2016: Gynécologie, Obstétrique & Fertilité
https://www.readbyqxmd.com/read/27281513/3d-transvaginal-sonography-as-pre-operative-predictor-of-the-need-to-morcellate-in-women-undergoing-laparoscopic-hysterectomy
#17
B Gerges, M Mongelli, I Casikar, T Bignardi, G Condous1
OBJECTIVE: In light of recent statements from the United States Food and Drug Administration warning against the use of power morcellation of uterine leiomyomas during laparoscopy, we sought to evaluate pre-operative transvaginal sonography (TVS) to predict the need for morcellation in women undergoing laparoscopic hysterectomy (LH). METHODS: Prospective observational study performed between October 2008 and November 2011 in a tertiary referral laparoscopic unit...
June 9, 2016: Ultrasound in Obstetrics & Gynecology
https://www.readbyqxmd.com/read/27240758/robert-s-septate-uterus-modern-imaging-techniques-and-ultrasound-guided-hysteroscopic-treatment-without-laparoscopy-laparotomy
#18
A Ludwin, I Ludwin, W P Martins
Robert's uterus is unique malformation described as a septate uterus with non-communicating hemicavity; i.e. a blind uterine horn usually with unilateral hematometra, contralateral unicornuate shaped uterine cavity and normal external shape of the uterine fundus. Pelvic pain intensified near the menses in young women is the main symptom. We used modern ultrasound imaging techniques - 3D sonohysterography with regular and volume contrast imaging multiplanar mode, HD-Live rendering mode and a recently described technique using automatic volume calculation called SonoHysteroAVC - for diagnosis, surgery planning and post-operative evaluation...
May 31, 2016: Ultrasound in Obstetrics & Gynecology
https://www.readbyqxmd.com/read/27177759/robust-augmented-reality-guidance-with-fluorescent-markers-in-laparoscopic-surgery
#19
Esther Wild, Dogu Teber, Daniel Schmid, Tobias Simpfendörfer, Michael Müller, Ann-Christin Baranski, Hannes Kenngott, Klaus Kopka, Lena Maier-Hein
PURPOSE: Laparoscopic interventions require the precise navigation of medical instruments through the patient's body, while taking critical structures into account. Although numerous concepts have been proposed for displaying subsurface anatomical detail using augmented reality, clinical translation of these methods has suffered from a lack of robustness as well as from cumbersome integration into the clinical workflow. The purpose of this study was to investigate the feasibility of a new approach to intra-operative registration based on fluorescent markers...
June 2016: International Journal of Computer Assisted Radiology and Surgery
https://www.readbyqxmd.com/read/27158482/endoscopic-and-histological-evaluations-of-a-newly-designed-inguinal-hernia-mesh-implant-experimental-studies-on-porcine-animal-model-and-human-cadaver
#20
Fabrizio Panaro, Ana Maria Matos-Azevedo, José Antonio Fatas, Juan Marin, Francis Navarro, Cristobal Zaragoza-Fernandez
PURPOSE: Conventional prostheses used for inguinal hernia repair are static and passive. This feasibility-study shows the features of a new 3D tension-free prosthesis in an experimental model. METHODS: This study was divided into two-phases: 1) aimed to test the physics intrinsic features and the anatomical adaptability of a new 3D designed mesh, and 2) aimed to evaluate the inflammatory reaction associated with different materials used. On phase-1 implantations were performed in pigs...
June 2015: Annals of Medicine and Surgery
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