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https://www.readbyqxmd.com/read/27926638/determining-optimal-route-of-hysterectomy-for-benign-indications-clinical-decision-tree-algorithm
#1
Jennifer J Schmitt, Daniel A Carranza Leon, John A Occhino, Amy L Weaver, Sean C Dowdy, Jamie N Bakkum-Gamez, Kalyan S Pasupathy, John B Gebhart
OBJECTIVE: To evaluate practice change after initiation of a robotic surgery program using a clinical algorithm to determine the optimal surgical approach to benign hysterectomy. METHODS: A retrospective postrobot cohort of benign hysterectomies (2009-2013) was identified and the expected surgical route was determined from an algorithm using vaginal access and uterine size as decision tree branches. We excluded the laparoscopic hysterectomy route. A prerobot cohort (2004-2005) was used to evaluate a practice change after the addition of robotic technology (2007)...
December 2, 2016: Obstetrics and Gynecology
https://www.readbyqxmd.com/read/27926617/robotic-approaches-for-the-rehabilitation-of-upper-limb-recovery-after-stroke-a-systematic-review-and-meta-analysis
#2
Chao Zhang, Cecilia W P Li-Tsang, Ricky K C Au
This systematic review with a meta-analysis of studies was carried out to evaluate the effectiveness of robotic training (RT) and conventional training (CT) in improving the motor recovery of paretic upper limbs in stroke patients. Numerous electronic databases were searched from January 2000 to May 2016. Finally, 13 randomized-controlled trials fulfilled the inclusion criteria and were included in the three meta-analyses. The first meta-analysis carried out for those studies using RT for stroke patients indicated a significant improvement in the RT groups...
December 6, 2016: International Journal of Rehabilitation Research. Revue Internationale de Recherches de Réadaptation
https://www.readbyqxmd.com/read/27925591/kinesthetic-feedback-during-2dof-wrist-movements-via-a-novel-mr-compatible-robot
#3
Andrew Erwin, Marcia O'Malley, David Ress, Fabrizio Sergi
We demonstrate the interaction control capabilities of the MR-SoftWrist, a novel MR-compatible robot capable of applying accurate kinesthetic feedback to wrist pointing movements executed during fMRI. The MR-SoftWrist, based on a novel design that combines parallel piezoelectric actuation with compliant force feedback, is capable of delivering 1.5 N·m of torque to the wrist of an interacting subject about the flexion/extension and radial/ulnar axes. The robot workspace, defined by admissible wrist rotation angles, fully includes a circle with a 20 deg radius...
December 1, 2016: IEEE Transactions on Neural Systems and Rehabilitation Engineering
https://www.readbyqxmd.com/read/27924377/robot-assisted-extravesical-vesicovaginal-fistula-repair-utilizing-laparoscopically-mobilized-omental-flap-interposition
#4
Kara L Watts, Richard Ho, Reza Ghavamian, Nitya Abraham
INTRODUCTION AND HYPOTHESIS: High vesicovaginal fistulas (VVF) in the setting of good apical support are best repaired via a transabdominal approach. Laparoscopic VVF repair was first reported in 1998. Several series of robot-assisted VVF repairs have since been published. The robot-assisted approach allows repair of high apical vaginal fistulas while avoiding the morbidity of laparotomy, shortening convalescence, and facilitating the use of omental interposition flaps. This video presents the technique for robot-assisted extravesical VVF repair utilizing a laparoscopically mobilized omental flap...
December 6, 2016: International Urogynecology Journal
https://www.readbyqxmd.com/read/27924200/effect-of-recruitment-maneuver-on-arterial-oxygenation-in-patients-undergoing-robot-assisted-laparoscopic-prostatectomy-with-intraoperative-15-cmh2o-positive-end-expiratory-pressure
#5
Sowoon Ahn, Sung Hye Byun, Haeyoon Chang, Young Bin Koo, Jong Chan Kim
BACKGROUND: This randomized, controlled study was designed to compare the effects of recruitment maneuvers (RMs) with a 15 cmH2O positive end-expiratory pressure (PEEP) on the systemic oxygenation and lung compliance of patients with healthy lungs following robot-assisted laparoscopic prostatectomy (RALP). METHODS: Sixty patients undergoing a RALP with an intraoperative 15 cmH2O PEEP were randomly allocated to an RM or a Control group. The patients in the RM group received a single RM through the application of a continuous positive airway pressure of 40 cmH2O for 40 s 15 min after being placed in the Trendelenburg position...
December 2016: Korean Journal of Anesthesiology
https://www.readbyqxmd.com/read/27923391/erratum-to-robot-assisted-and-conventional-therapies-produce-distinct-rehabilitative-trends-in-stroke-survivors
#6
Francisco J Valero-Cuevas, Verena Klamroth-Marganska, Carolee J Winstein, Robert Riener
No abstract text is available yet for this article.
December 6, 2016: Journal of Neuroengineering and Rehabilitation
https://www.readbyqxmd.com/read/27923167/long-term-outcomes-for-different-vaginal-cuff-closure-techniques-in-robotic-assisted-laparoscopic-hysterectomy-a-randomized-controlled-trial
#7
Ziv Tsafrir, Matthew Palmer, Marisa Dahlman, A Karim Nawfal, Joelle Aoun, Andrew Taylor, Jay Fisher, Evan Theoharis, David Eisenstein
OBJECTIVE: This randomized controlled trial aimed to evaluate the outcomes of different vaginal cuff closure techniques in robotic-assisted total laparoscopic hysterectomy. STUDY DESIGN: Ninety women undergoing robotic-assisted total laparoscopic hysterectomy for benign disease were randomized to three vaginal cuff closure techniques: running 2.0 V-Lock™ (Arm 1), 0 Vicryl™ figure-of-eight (Arm 2), and running 0 Vicryl™ with Lapra-Ty(®) (Arm 3). Patients' records were reviewed for age, body mass index, smoking status and relevant co-morbidities...
November 16, 2016: European Journal of Obstetrics, Gynecology, and Reproductive Biology
https://www.readbyqxmd.com/read/27922990/robotically-assisted-thoracic-surgery-proposed-guidelines-for-privileging-and-credentialing
#8
Faiz Y Bhora, Adnan M Al-Ayoubi, Sadiq S Rehmani, Craig M Forleiter, Wissam N Raad, Scott G Belsley
OBJECTIVE: Increased use of robotically assisted thoracic surgery (RATS) necessitates effective credentialing guidelines to ensure safe outcomes. We provide a stepwise algorithm for granting privileges and credentials in RATS. This algorithm reflects graduated responsibility and complexity of the surgical procedures performed. Furthermore, it takes into account volume, outcomes, surgeon's competency, and appropriateness of robot usage. METHODS: We performed a literature review for available strategies to grant privileges and credentials for implementing robotic surgery...
December 5, 2016: Innovations: Technology and Techniques in Cardiothoracic and Vascular Surgery
https://www.readbyqxmd.com/read/27922703/robotkirurgi-p%C3%A3-bred-front-%C3%A2-utan-evidensbaserad-grund-tekniken-anv%C3%A3-nds-allt-mer-trots-att-den-%C3%A3-r-dyr-och-att-vetenskapliga-bevis-f%C3%A3-r-patientnytta-saknas
#9
Henrik Sjövall, Josefine Persson
Robot-assisted surgery on a broad front - without evidence for being cost-effective Robot-assisted surgery is currently heavily marketed. The HTA centre in Region Västra Götaland has produced five HTA reports regarding use of robot-assisted surgery in different clinical situations (prostatic cancer, benign gynaecological surgery, pediatric pyeloplasty and fundoplication, and rectal cancer), finding weak evidence for a patient value. The current report by Per Carlsson et al confirms that robot-assisted surgery indeed leads to increased costs that are not balanced by augmented patient value, i...
November 29, 2016: Läkartidningen
https://www.readbyqxmd.com/read/27921372/a-fuzzy-neural-network-sliding-mode-controller-for-vibration-suppression-in-robotically-assisted-minimally-invasive-surgery
#10
Hongqiang Sang, Chenghao Yang, Fen Liu, Jintian Yun, Guoguang Jin
BACKGROUND: It is very important for robotically assisted minimally invasive surgery to achieve a high-precision and smooth motion control. However, the surgical instrument tip will exhibit vibration caused by nonlinear friction and unmodeled dynamics, especially when the surgical robot system is attempting low-speed, fine motion. METHODS: A fuzzy neural network sliding mode controller (FNNSMC) is proposed to suppress vibration of the surgical robotic system. Nonlinear friction and modeling uncertainties are compensated by a Stribeck model, a radial basis function (RBF) neural network and a fuzzy system, respectively...
December 2016: International Journal of Medical Robotics + Computer Assisted Surgery: MRCAS
https://www.readbyqxmd.com/read/27921124/-open-versus-robot-assisted-radical-prostatectomy
#11
R Ganzer, J-U Stolzenburg
No abstract text is available yet for this article.
December 5, 2016: Der Urologe. Ausg. A
https://www.readbyqxmd.com/read/27919731/nerve-sparing-laparoscopic-colposacropexy-using-a-percutaneous-surgical-system-a-case-report
#12
Federico Romano, Francesco Legge, Giovanni Scambia, Maurizio Guido
STUDY OBJECTIVE: To evaluate the feasibility, efficacy and safeness of nerve-sparing laparoscopic colposacropexy performed with a minimally invasive approach by using 2,9 mm Percuvance(TM) Percutaneous Surgical System (PSS) (The Percuvance(TM) System, Teleflex Inc., USA). DESIGN: Step-by-step video demonstration of the surgical technique. The Internal Department Committee approved this study. The patient was adequately informed about the possible risks and benefits of this experimental technique and a written consent agreeing to undergo the described procedure was signed...
December 2, 2016: Journal of Minimally Invasive Gynecology
https://www.readbyqxmd.com/read/27918317/minimally-invasive-robotically-assisted-repair-of-partial-anomalous-venous-connection
#13
Luigi Pirelli, Chad A Kliger, Nirav C Patel, Marcella Bono, Carlos E Ruiz, Vladimir Jelnin, Gregory P Fontana
We describe a novel robotically assisted minimally invasive surgical technique for repair of partial anomalous pulmonary vein connection (PAPVC). Partial anomalous pulmonary vein connection is a rare congenital anomaly that consists in drainage of one or more pulmonary veins into the systemic venous system. Traditionally, large thoracotomy incision and sometimes establishment of cardiopulmonary bypass are needed to redirect the abnormal pulmonary vein to the left-sided reservoir. We describe a robotically assisted, minimally invasive, off-pump technique for the treatment of the left PAPVC in a 57-year-old patient with signs of progressive right ventricular dilatation...
December 1, 2016: Innovations: Technology and Techniques in Cardiothoracic and Vascular Surgery
https://www.readbyqxmd.com/read/27917703/principles-of-the-kenzan-method-for-robotic-cell-spheroid-based-3d-bioprinting
#14
Nicanor I Moldovan, Narutoshi Hibino, Koichi Nakayama
Bioprinting is a technology with the prospect to change the way many diseases are treated, by replacing the damaged tissues with live, de novo created bio-similar constructs. However, after more than a decade of incubation and many proofs-of-concept, the field is still in its infancy. The current stagnation is the consequence of its early success: the first bioprinters, and most of those which followed, were modified versions of the 3D printers used in additive manufacturing, redesigned for layer-by-layer dispersion of biomaterials...
December 4, 2016: Tissue Engineering. Part B, Reviews
https://www.readbyqxmd.com/read/27916869/error-analysis-and-experimental-study-of-a-bi-planar-parallel-mechanism-in-a-pedicle-screw-robot-system
#15
Qingjuan Duan, Zhijiang Du, Hongjian Yu, Yongfeng Wang, Wei Dong
Due to the urgent need for high precision surgical equipment for minimally invasive spinal surgery, a novel robot-assistant system was developed for the accurate placement of pedicle screws in lumbar spinal surgeries. The structure of the robot was based on a macro-micro mechanism, which includes a serial mechanism (macro part) and a bi-planar 5R parallel mechanism (micro part). The macro part was used to achieve a large workspace, while the micro part was used to obtain high stiffness and accuracy. Based on the transfer function of dimension errors, the factors affecting the accuracy of the end effectors were analyzed...
November 30, 2016: Sensors
https://www.readbyqxmd.com/read/27916374/transfer-and-priming-of-surgical-skills-across-minimally-invasive-surgical-platforms
#16
Ahmed Zihni, Tianjia Ge, Shuddhadeb Ray, Robert Wang, Zhe Liang, Jaime A Cavallo, Michael M Awad
BACKGROUND: Robot-assisted laparoscopic surgery (RALS) uses 3-dimensional visualization and wristed instruments that provide more degrees of freedom than rigid traditional laparoscopic (TLS) instrumentation. These features have been touted to improve accuracy and efficiency during surgical task performance. Little is known, however, about the transferability of skills between the two platforms or whether task performance on one platform primes surgeons for task performance on the other...
November 2016: Journal of Surgical Research
https://www.readbyqxmd.com/read/27916352/robotic-liver-resection-including-the-posterosuperior-segments-initial-experience
#17
Carolijn L M A Nota, I Quintus Molenaar, Richard van Hillegersberg, Inne H M Borel Rinkes, Jeroen Hagendoorn
BACKGROUND: Robot-assisted laparoscopy has been introduced to overcome the limitations of conventional laparoscopy. This technique has potential advantages over laparoscopy, such as increased dexterity, three-dimensional view, and a magnified view of the operative field. Therefore, improved dexterity may make a robotic system particularly suited for liver resections, which require nonlinear manipulation, such as curved parenchymal transection, hilar dissection, and resection of posterosuperior segments...
November 2016: Journal of Surgical Research
https://www.readbyqxmd.com/read/27914920/can-lowering-the-guidance-force-of-robot-assisted-gait-training-induce-a-sufficient-metabolic-demand-in-subacute-dependent-ambulatory-stroke-patients
#18
So Young Lee, Eun Young Han, Bo Ryun Kim, Min Ho Chun, Yong Ki Lee
OBJECTIVE: To assess the effects of guidance force (GF) and gait speed (GS) on cardiorespiratory responses and energy cost in subacute dependent ambulatory stroke patients. DESIGN: Cross sectional study. SETTING: University rehabilitation hospital. PARTICIPANTS: Ten subacute stroke patients (mean age: 64.50±19.20), who were dependent ambulators (functional ambulation category [FAC] ≤2). INTERVENTIONS: Patients participated in cardiorespiratory tests during robot-assisted gait training...
November 30, 2016: Archives of Physical Medicine and Rehabilitation
https://www.readbyqxmd.com/read/27913152/development-and-validation-of-an-objective-scoring-tool-for-robot-assisted-radical-prostatectomy-prostatectomy-assessment-and-competency-evaluation-pace
#19
Ahmed A Hussein, Khurshid R Ghani, James Peabody, Richard Sarle, Ronney Abaza, Daniel Eun, Jim Hu, Michael Fumo, Brian Lane, Jeffrey Montgomery, Nobuyuki Hinata, Deborah Rooney, Bryan Comstock, Hei Kit Chan, Sridhar S Mane, James L Mohler, Gregory Wilding, David Miller, Khurshid A Guru
INTRODUCTION: and Background: Comprehensive training and skill acquisition by urologic surgeons are vital to optimize surgical outcomes and patient safety. We sought to develop and validate an objective and procedure specific tool to assess the quality of robot-assisted radical prostatectomy (RARP)-Prostatectomy Assessment and Competence Evaluation (PACE) METHODS: Development and content validation of PACE was performed by deconstruction of RARP into seven key domains utilizing the Delphi methodology...
November 29, 2016: Journal of Urology
https://www.readbyqxmd.com/read/27911405/automated-robotic-dispensing-technique-for-surface-guidance-and-bioprinting-of-cells
#20
Ramya Bhuthalingam, Pei Q Lim, Scott A Irvine, Subbu S Venkatraman
This manuscript describes the introduction of cell guidance features followed by the direct delivery of cells to these features in a hydrogel bioink using an automated robotic dispensing system. The particular bioink was selected as it allows cells to sediment towards and sense the features. The dispensing system bioprints viable cells in hydrogel bioinks using a backpressure assisted print head. However, by replacing the print head with a sharpened stylus or scalpel, the dispensing system can also be employed to create topographical cues through surface etching...
November 18, 2016: Journal of Visualized Experiments: JoVE
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