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https://www.readbyqxmd.com/read/29435749/skills-in-minimally-invasive-and-open-surgery-show-limited-transferability-to-robotic-surgery-results-from-a-prospective-study
#1
Karl-Friedrich Kowalewski, Mona W Schmidt, Tanja Proctor, Moritz Pohl, Erica Wennberg, Emir Karadza, Philipp Romero, Hannes G Kenngott, Beat P Müller-Stich, Felix Nickel
BACKGROUND: There is limited evidence on the transferability of conventional laparoscopic and open surgical skills to robotic-assisted surgery. The primary aim of this study was to evaluate the transferability of expertise in conventional laparoscopy and open surgery to robotic-assisted surgery using the da Vinci Skills Simulator (dVSS). Secondary aims included evaluating the influence of individual participants' characteristics. METHODS: Participants performed four tasks on the dVSS: Peg Board 1 (PB), Pick and Place (PP), Thread the Rings (TR), and Suture Sponge 1 (SS)...
February 12, 2018: Surgical Endoscopy
https://www.readbyqxmd.com/read/29408892/novel-technique-for-repairing-posterior-medial-meniscus-root-tears-using-porcine-knees-and-biomechanical-study
#2
Jia-Lin Wu, Chian-Her Lee, Chan-Tsung Yang, Chia-Ming Chang, Guoan Li, Cheng-Kung Cheng, Chih-Hwa Chen, Hsu-Shan Huang, Yu-Shu Lai
Transtibial pullout suture (TPS) repair of posterior medial meniscus root (PMMR) tears was shown to achieve good clinical outcomes. The purpose of this study was to compare biomechanically, a novel technique designed to repair PMMR tears using tendon graft (TG) and conventional TPS repair. Twelve porcine tibiae (n = 6 each) TG group: flexor digitorum profundus tendon was passed through an incision in the root area, created 5 mm postero-medially along the edge of the attachment area. TPS group: a modified Mason-Allen suture was created using no...
2018: PloS One
https://www.readbyqxmd.com/read/29396804/the-role-of-suture-cutout-in-the-failure-of-meniscal-root-repair-during-the-early-post-operative-period-a-biomechanical-study
#3
Ana Perez-Blanca, María Prado Nóvoa, Maximiano Lombardo Torre, Alejandro Espejo-Reina, Francisco Ezquerro Juanco, Alejandro Espejo-Baena
PURPOSE: To assess the role of suture cutout in the mechanics of failure of the repaired posterior meniscal root during the early post-operative period when using sutures of different shape. METHODS: Twenty medial porcine menisci were randomized in two groups depending on the suture shape used to repair the posterior root: thread or tape. The sutured menisci were subjected to cyclic loading (1000 cycles, (10, 30) N) followed by load-to-failure testing. Residual displacements, stiffness, and ultimate failure load were determined...
February 2, 2018: International Orthopaedics
https://www.readbyqxmd.com/read/29361295/treatment-of-acute-achilles-tendon-rupture-with-the-panda-rope-bridge-technique
#4
Liangjun Yin, Yahong Wu, Changsong Ren, Yizhong Wang, Ting Fu, Xiangjun Cheng, Ruidong Li, Mao Nie, Yuan Mu
INTRODUCTION: Although nonsurgical methods and many surgical techniques have been developed for repairing a ruptured Achilles tendon, there is no consensus on its best treatment. In this article, a novel minimally invasive technique called the Panda Rope Bridge Technique (PRBT) is described. METHODS: Patient with acute Achilles tendon rupture was operated on in the prone position. The PRBT begin with making the proximal bridge anchor (Krackow sutures in the myotendinous junction), the distal bridge anchor (two suture anchors in the calcaneus bone) and the ropes (threads of the suture anchors) stretched between the anchor sites...
January 16, 2018: Injury
https://www.readbyqxmd.com/read/29333207/development-and-feasibility-of-a-robotic-laparoscopic-clipping-tool-for-wound-closure-and-anastomosis
#5
Axel Krieger, Justin Opfermann, Peter C W Kim
This paper reports the design, development, and initial evaluation of a robotic laparoscopic clipping tool for single manipulator wound closure and anastomosis (tubular reconnection). The tool deploys biodegradable clips and clasps with the goal of (i) integrating grasping and suturing into a single device for single hand or manipulator use, (ii) applying the equivalent of interrupted sutures without the need of managing suture thread, and (iii) allowing for full six degrees-of-freedom (DOFs) laparoscopic control when mounted on a robot arm...
March 2018: Journal of Medical Devices
https://www.readbyqxmd.com/read/29313554/a-better-method-for-repairing-lumbar-dural-tears-a-review-of-the-literature
#6
Evan Mullen, John Caridi, Jeremy R Steinberge, Raj Shrivastava
Although dural tears are a frequent complication of lumbar spine surgery, no standardized method exists for their treatment. Given the growing number of spinal procedures performed worldwide, it is important to codify an effective strategy for managing repair of the dura mater. This paper is a review of the comparative effectiveness of the current treatments available for dural tears. Our findings suggest that, where possible, repair should be made via direct suturing using material that minimizes the difference between the size of needle and thread...
December 22, 2017: Surgical Technology International
https://www.readbyqxmd.com/read/29281797/biomechanical-comparison-of-3-glenoid-side-fixation-techniques-for-superior-capsular-reconstruction
#7
Jonas Pogorzelski, Kyle J Muckenhirn, Justin J Mitchell, J Christoph Katthagen, Jason M Schon, Kimi D Dahl, Alan M Hirahara, Joshua S Dines, Christopher R Adams, Thomas Dooney, Patrick J Denard, Travis Lee Turnbull, Peter J Millett
BACKGROUND: Superior capsular reconstruction (SCR) was recently introduced as a treatment for irreparable superior rotator cuff tears in younger patients. Purpose/Hypothesis: The purpose was to assess the biomechanical strength of 3 methods for fixation of the graft to the glenoid for SCR. It was hypothesized that a 4-anchor technique would provide greater load to failure than 3-anchor techniques. STUDY DESIGN: Controlled laboratory study. METHODS: Thirty-six cadaveric specimens were randomized into 3 groups of previously established glenoid-side graft fixation techniques: (1) three 3...
December 1, 2017: American Journal of Sports Medicine
https://www.readbyqxmd.com/read/29260438/novel-flat-and-wide-meniscal-repair-material-improves-the-ultimate-load-of-knot-breakage-in-a-porcine-trans-capsular-meniscal-repair-model
#8
Hiroyuki Yokoi, Tatsuo Mae, Ryo Iuchi, Yasuhiro Take, Yuta Tachibana, Kazunori Shimomura, Tomoki Ohori, Konsei Shino, Hideki Yoshikawa, Ken Nakata
BACKGROUND: In the meniscal repair procedures, a high ultimate load capacity and low cyclic creep at the repair site are favorable and lead to good biological incorporation of the tear site after surgery. Previous biomechanical tensile tests of the meniscal sutures have identified the suture knot as the weakest point. We hypothesized that the strength of a suture knot depends on the suture shape, and therefore, we compared three differently shaped suture materials composed of the same material and quantity per length...
December 19, 2017: Journal of Experimental Orthopaedics
https://www.readbyqxmd.com/read/29228145/rejuvenating-the-face-an-analysis-of-100-absorbable-suture-suspension-patients
#9
Michael Patrick Ogilvie, Julius Warren Few, Shikhar Singh Tomur, Chad Michael Teven, Alec James Semersky, Caroline Regan Bruno, Natasha Tamagni Kulick
Background: Absorbable suture suspension (Silhouette InstaLift, Sinclair Pharma, Irvine, CA) is a novel, minimally invasive system that utilizes a specially manufactured synthetic suture to help address the issues of facial aging, while minimizing the risks associated with historic thread lifting modalities. Objectives: The purpose of the study was to assess the safety, efficacy, and patient satisfaction of the absorbable suture suspension system in regards to facial rejuvenation and midface volume enhancement...
December 8, 2017: Aesthetic Surgery Journal
https://www.readbyqxmd.com/read/29227195/a-new-method-for-laparoscopic-stamm-gastrostomy
#10
Mete Kaya, Serpil Sancar, Esra Ozcakir
BACKGROUND/OBJECTIVE: Many methods of laparoscopic gastrostomy have been described, but in the majority of these, purse-string sutures and fixation of the stomach to the abdominal wall are not performed simultaneously. In this study, we aim to present a new laparoscopic gastrostomy tube (GT) placement method developed in accordance with the classical Stamm method. MATERIALS AND METHODS: Intracorporeal purse-string suture is placed at the anterior wall of the stomach where the GT is intended to be placed...
December 11, 2017: Journal of Laparoendoscopic & Advanced Surgical Techniques. Part A
https://www.readbyqxmd.com/read/29180191/suture-thread-check-test-for-detection-of-surgical-site-contamination-a-prospective-study
#11
Francesco Iovino, Pasquale Pio Auriemma, Luca Dani, Giovanna Donnarumma, Alfonso Barbarisi, Vincenza Mallardo, Federica Calò, Nicola Coppola
BACKGROUND: Surgical site infection (SSI) is a common complication of surgical procedures. AIM: Our study aimed at investigating a new method based on assessment of suture thread colonization to identify patients developing an SSI. MATERIALS AND METHODS: We prospectively enrolled 119 patients undergoing elective surgery. For each patient, a synthetic absorbable thread in Lactomer 9-1 (Polisorb Gauge 2) inserted in the surgical site at the end of surgery was sent to the microbiology laboratory after 48 h to assess colonization of its inner tract...
December 2017: Journal of Surgical Research
https://www.readbyqxmd.com/read/29172392/arthroscopic-pullout-fixation-for-a-small-and-comminuted-avulsion-fracture-of-the-posterior-cruciate-ligament-from-the-tibia
#12
Shuji Nakagawa, Yuji Arai, Kunio Hara, Hiroaki Inoue, Manabu Hino, Toshikazu Kubo
We describe a patient who underwent arthroscopic pullout fixation for a posterior cruciate ligament (PCL) avulsion fracture. A 46-year-old female, injured in a fall while riding a motorcycle, was diagnosed with a right knee PCL tibial attachment avulsion fracture and underwent arthroscopic osteosynthesis. A Kirschner wire was drilled to a point just medial to the medial border of the anterior tibial bony bed. A suture wire was folded into a loop and introduced into the posteromedial compartment via the bone tunnel...
December 1, 2017: Knee Surgery & related Research
https://www.readbyqxmd.com/read/29115019/cell-laden-composite-suture-threads-for-repairing-damaged-tendons
#13
Raquel Costa-Almeida, Rui M A Domingues, Afsoon Fallahi, Huseyin Avci, Iman K Yazdi, Mohsen Akbari, Rui L Reis, Ali Tamayol, Manuela E Gomes, Ali Khademhosseini
Tendons have limited regenerative capacity due to their low cellularity and hypovascular nature, which results in poor clinical outcomes of presently used therapies. As tendon injuries are often observed in active adults, it poses an increasing socio-economic burden on healthcare systems. Currently, suture threads are used during surgical repair to anchor the tissue graft or to connect injured ends. Here, we created composite suture threads coated with a layer of cell-laden hydrogel that can be used for bridging the injured tissue aiming at tendon regeneration...
November 8, 2017: Journal of Tissue Engineering and Regenerative Medicine
https://www.readbyqxmd.com/read/29089715/stop-suturing-like-cobbler
#14
Kamal Kataria, Piyush Ranjan, Anurag Srivastava
Suturing is the joining of tissues with needle and thread so that the tissues will bind together and that healing occurs by primary intention with least scarring. Professionals like tailor and cobbler are also involved with suturing. Although both professions are involved with suturing, they are not dealing with live tissue, so there are no problems like poor healing, ischemia and wound edge necrosis. These complications, which are common with live tissue, may finally lead to wound dehiscence and increased risk of surgical site infection, and ugly scar...
October 2017: Indian Journal of Surgery
https://www.readbyqxmd.com/read/29078625/laparoscopic-techniques-and-strategies-for-gastrointestinal-gists
#15
REVIEW
Chang Min Lee, Sungsoo Park
The laparoscopic approach is widely accepted surgical treatment for gastrointestinal submucosal tumors (SMTs). In this chapter, we will introduce laparoscopic techniques and strategy for gastrointestinal SMTs, in accordance with those for gastrointestinal stromal tumors (GISTs). The indication for a laparoscopic approach has been related to tumor size. The upper limit of tumor size has increased, according to recent trends, and there is no established guideline for a lower limit. All patients undergoing laparoscopic surgery receive preoperative examinations including gastrofiberscopy, upper gastrointestinal radiography, computed tomography (CT), and endoscopic ultrasonography (EUS)...
2017: Journal of Visualized Surgery
https://www.readbyqxmd.com/read/29071894/-effect-of-electroacupuncture-stimulation-of-heart-meridian-on-autonomic-nervous-activities-in-acute-myocardial-ischemia-rats
#16
Shuai Cui, Jing Xu, Jie Wang, Sheng-Bing Wu, Yi-Ping Zhou, Mei-Qi Zhou
OBJECTIVE: To observe the effect of electroacupuncture (EA) stimulation of the Heart Meridian on electrical activities of neck sympathetic and vagal nerves in acute myocardial ischemia (AMI) rats. METHODS: Thirty SD rats were randomly divided into 3 groups, sham operation (sham), model and EA(n=10 rats in each group). The left anterior descending branch (LADB) of the coronary artery was occluded to make an acute myocardial ischemia (AMI) model.For rats of the sham group, a surgical suture was simply threaded beneath the LADB without ligation...
December 25, 2016: Zhen Ci Yan Jiu, Acupuncture Research
https://www.readbyqxmd.com/read/28994784/technique-of-minimally-invasive-transverse-aortic-constriction-in-mice-for-induction-of-left-ventricular-hypertrophy
#17
Reza Tavakoli, Simona Nemska, Peiman Jamshidi, Max Gassmann, Nelly Frossard
Transverse aortic constriction (TAC) in mice is one of the most commonly used surgical techniques for experimental investigation of pressure overload-induced left ventricular hypertrophy (LVH) and its progression to heart failure. In the majority of the reported investigations, this procedure is performed with intubation and ventilation of the animal which renders it demanding and time-consuming and adds to the surgical burden to the animal. The aim of this protocol is to describe a simplified technique of minimally invasive TAC without intubation and ventilation of mice...
September 25, 2017: Journal of Visualized Experiments: JoVE
https://www.readbyqxmd.com/read/28989101/securing-extraocular-muscles-in-strabismus-surgery-laboratory-analysis-of-biomechanical-parameters-related-to-the-suture
#18
Steven E Brooks
PURPOSE: To investigate the tensile properties of several components used to secure extraocular muscle to sclera in strabismus surgery to determine potential failure points. METHODS: A digital force gauge measured the tensile strength of intact or damaged 6-0 Vicryl suture (Ethicon, Somerville, NJ), as well as threads tied in a 2-1-1 or 2-1-1-1 surgeon's knot configuration. Human sclera was used to test the resistance to drag of knotted and unknotted 6-0 Vicryl suture thread through partial thickness sclera...
October 5, 2017: Journal of AAPOS: the Official Publication of the American Association for Pediatric Ophthalmology and Strabismus
https://www.readbyqxmd.com/read/28920636/politetrafluorene-suture-used-as-artificial-mitral-chord-mechanical-properties-and-surgical-implications
#19
Philippe P Caimmi, Maurizio Sabbatini, Luca Fusaro, Mario Cannas
BACKGROUND: Novel surgical approach to repair degenerative mitral regurgitation such as transapical chordae tendineae replacement and "loop in loop" in loop techniques, need of artificial chordae longer than that used in the older techniques of chordae tendineae replacement. This difference in length has been reported as potential critical point for durability of artificial chordae. In the present paper we have investigated the elastic behavior of different diameter and length politetrafluorene (PTFE) suture threads as substitute of native chordae, to identify their reliability to use as long artificial chordae...
December 2017: Journal of Cardiovascular Surgery
https://www.readbyqxmd.com/read/28918007/the-effect-of-visual-spatial-ability-on-the-learning-of-robot-assisted-surgical-skills
#20
Takashige Abe, Nicholas Raison, Nobuo Shinohara, M Shamim Khan, Kamran Ahmed, Prokar Dasgupta
BACKGROUND: The aim of this study was to determine the correlation of visual-spatial ability with progression along the learning curve for robotic surgical skills training. METHODS: A total of 21 novice participants were recruited. All participants completed a training program consisting of 5 training sessions of 30 minutes of virtual reality (VR) simulation and 30 minutes of dry laboratory training. The VR simulation part was the subject of the present study. During VR simulation training, participants performed the basic skill exercises of Camera Targeting 1, Pick and Place, and Peg Board 1 followed by advanced skill exercises of Suture Sponge 1 and Thread the Rings...
September 13, 2017: Journal of Surgical Education
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