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https://www.readbyqxmd.com/read/29199481/the-conversational-position-in-endoscopic-pituitary-surgery
#1
Jinendra Ekanayake, Irene Baudracco, Anjum Quereshi, Tom Vercauteren, Neil L Dorward
We describe a novel patient position for endoscopic transphenoidal surgery - the 'conversational position'. This position is a safe and effective alternative to the standard supine position, incorporating a semi-sitting position with the additional innovation of achieving a 'conversational position' by flexing the neck and turning the patient's head turned to face the surgeon. The 'conversational' position offers improvements in the surgical approach to sellar region, addressing specific intraoperative challenges such as maintaining a bloodless operative field, and enabling more intuitive and ergonomic surgical workflow...
December 4, 2017: British Journal of Neurosurgery
https://www.readbyqxmd.com/read/29193643/performance-metrics-for-guidance-active-constraints-in-surgical-robotics
#2
Nima Enayati, Giancarlo Ferrigno, Elena De Momi
Active constraint (AC)/virtual fixture (VF) is among the most popular approaches towards the shared execution of subtasks by the surgeon and robotic systems. As more possibilities appear for the implementation of ACs in surgical scenarios, the need to introduce methods that guarantee a safe and intuitive user-interaction increases. The presence of the human in the loop adds a layer of interactivity and adaptability that renders the assessment of such methods non-trivial. In most works, guidance ACs have been evaluated mainly in terms of enhancement of accuracy and completion time with little regard for other aspects such as human factors, even though the continuous engagement of these methods can considerably degrade the user experience...
November 28, 2017: International Journal of Medical Robotics + Computer Assisted Surgery: MRCAS
https://www.readbyqxmd.com/read/29188681/targeted-muscle-reinnervation-for-improved-control-of-myoelectric-upper-limb-prostheses
#3
G Vadalà, G Di Pino, L Ambrosio, L Diaz Balzani, V Denaro
Targeted muscle reinnervation (TMR) is a novel surgical technique developed to improve the control of myoelectric upper limb prostheses. Nerves transected by the amputation, which retain their original motor pathways even after being severed, are redirected to residual denervated muscles that serve as target for consequent reinnervation. Once the process is complete, reinnervated muscles will contract upon voluntary activation of transferred nerves while attempting to move missing regions of the amputated limb, generating EMG signals that can be recorded and used to control a prosthetic device...
October 2017: Journal of Biological Regulators and Homeostatic Agents
https://www.readbyqxmd.com/read/29184659/multi-modal-imaging-model-based-tracking-and-mixed-reality-visualisation-for-orthopaedic-surgery
#4
Sing Chun Lee, Bernhard Fuerst, Keisuke Tateno, Alex Johnson, Javad Fotouhi, Greg Osgood, Federico Tombari, Nassir Navab
Orthopaedic surgeons are still following the decades old workflow of using dozens of two-dimensional fluoroscopic images to drill through complex 3D structures, e.g. pelvis. This Letter presents a mixed reality support system, which incorporates multi-modal data fusion and model-based surgical tool tracking for creating a mixed reality environment supporting screw placement in orthopaedic surgery. A red-green-blue-depth camera is rigidly attached to a mobile C-arm and is calibrated to the cone-beam computed tomography (CBCT) imaging space via iterative closest point algorithm...
October 2017: Healthcare Technology Letters
https://www.readbyqxmd.com/read/29179285/-efficacy-of-3d-print-guide-technique-in-one-stage-posterior-approach-for-the-treatment-of-cervical-and-thoracic-tuberculosis-with-kyphosis
#5
Nazierhan Shaxika, Z G Sun, H Yuan, H Wang
Objective: To investigate the application of 3D printing technology in the treatment of patients with cervical kyphosis and paraplegia in different segments of the cervical spine after one-stage debridement, bone graft fusion and pedicle screw fixation. Methods: From January 2008 to January 2017, a total of 31 patients with thoracolumbar tuberculosis were treated in the Department of Orthopaedics, the Xinjiang Uygur Autonomous Region people's Hospital.Lesions of the thoracic spine (T1-T4) in 8 cases, (C5-C7) in 10 cases, cervical and thoracic segment in 13 cases, involving a total of 2 cases of vertebral body in 7 cases, 3 cases of vertebral body in 14 cases, 4 cases of vertebral body...
November 21, 2017: Zhonghua Yi Xue za Zhi [Chinese medical journal]
https://www.readbyqxmd.com/read/29175494/unfolding-the-hippocampus-an-intrinsic-coordinate-system-for-subfield-segmentations-and-quantitative-mapping
#6
Jordan DeKraker, Kayla M Ferko, Jonathan C Lau, Stefan Kӧhler, Ali R Khan
The hippocampus, like the neocortex, has a morphological structure that is complex and variable in its folding pattern, especially in the hippocampal head. The current study presents a computational method to unfold hippocampal grey matter, with a particular focus on the hippocampal head where complexity is highest due to medial curving of the structure and the variable presence of digitations. This unfolding was performed on segmentations from high-resolution, T2-weighted 7T MRI data from 12 healthy participants and one surgical patient with epilepsy whose resected hippocampal tissue was used for histological validation...
November 23, 2017: NeuroImage
https://www.readbyqxmd.com/read/29173821/assessment-of-quality-of-life-in-patients-surgically-treated-for-penile-cancer-impact-of-aggressiveness-in-surgery
#7
Roman Sosnowski, Jan Karol Wolski, Marta Kulpa, Urszula Ziętalewicz, Mariola Kosowicz, Tomasz Kalinowski, Tomasz Demkow
PURPOSE: Health-related quality of life (HRQoL) evaluations are being increasingly used for clinical assessment of cancer treatment outcomes. For a patient, not only is life expectancy important, but also a general sense of sustained global health. Intuitively, the more disfiguring the treatment, the more pronounced could be the deterioration in the QoL. We aimed to compare various aspects of QoL in three groups of patients surgically treated for penile cancer by local excision, partial penectomy, or total penectomy...
December 2017: European Journal of Oncology Nursing: the Official Journal of European Oncology Nursing Society
https://www.readbyqxmd.com/read/29169546/telehealth-electronic-monitoring-to-reduce-postdischarge-complications-and-surgical-site-infections-after-arterial-revascularization-with-groin-incision
#8
Albeir Y Mousa, Mike Broce, Elaine Davis, Barbara McKee, Michael Yacoub
It is intuitive that postdischarge surgical complications are associated with increased patient dissatisfaction, and are directly associated with an increase in medical expenditures. It is also easy to make the connection that many post-hospital discharge surgical complications, including surgical site infections (SSIs), could be influenced or exacerbated by patient comorbidities. The authors of a recent study reported that female gender, obesity, diabetes, smoking, hypertension, coronary artery disease, critical limb ischemia, chronic obstructive pulmonary disease, dyspnea, and neurologic disease were significant predictors of SSIs after vascular reconstruction was performed...
December 2017: Journal of Vascular Surgery
https://www.readbyqxmd.com/read/29113671/predictors-of-venous-thromboembolism-in-patients-with-primary-sarcoma-of-bone
#9
Courtney L Kaiser, Micayla K Freehan, Daniel A Driscoll, Joseph H Schwab, Karen De Amorim Bernstein, Santiago A Lozano-Calderon
Venous thromboembolism (VTE) is known to be independently associated with both orthopaedic surgery and malignancy. Patients undergoing surgery for musculoskeletal malignancies are at an increased risk for thromboembolic events. Although VTE can lead to serious morbidity and mortality, the potential complications of prophylactic anticoagulation call for a greater understanding of a patient's risk factors, as well as more rigorous guidelines for prophylactic anticoagulation regimens. The aims of this study were to 1) Analyze the rate of VTE in patients surgically treated for primary bone sarcoma; 2) Identify risk factors for VTE in patients with primary bone sarcoma; 3) Discuss the complications associated with prophylactic anticoagulation in patients with primary bone sarcoma...
December 2017: Surgical Oncology
https://www.readbyqxmd.com/read/29098746/decision-making-in-nursing-practice-an-integrative-literature-review
#10
REVIEW
Christine W Nibbelink, Barbara B Brewer
AIMS AND OBJECTIVES: Identify and summarize factors and processes related to registered nurses' patient care decision-making in medical-surgical environments. A secondary goal of this literature review was to determine whether medical-surgical decision-making literature included factors that appeared to be similar to concepts and factors in Naturalistic Decision Making. BACKGROUND: Decision-making in acute care nursing requires an evaluation of many complex factors...
November 3, 2017: Journal of Clinical Nursing
https://www.readbyqxmd.com/read/29089255/huntington-disease-care-from-the-past-to-the-present-to-the-future
#11
T A Mestre, K Shannon
INTRODUCTION: Huntington disease is a progressive neurodegenerative disorder without a cure. Its clinical presentation makes complex the care of patients with HD, further impacted by the progressive loss of dependence and disability. Intuitively, HD management calls for multispecialty care. METHODS: Literature review and expert-based statement. RESULTS: Chorea is the only indication for symptomatic treatments in HD. Surgical therapies are experimental, and exercise-based physical interventions have been assessed but in small feasibility studies...
August 10, 2017: Parkinsonism & related Disorders
https://www.readbyqxmd.com/read/29078618/transition-from-video-assisted-thoracic-surgery-to-robotic-pulmonary-surgery
#12
REVIEW
Takashi Suda
The "da Vinci Surgical System" is a robotic surgical system that utilizes multi-jointed robotic arms and a high-resolution three-dimensional video-monitoring system. We report on the state of transition from video-assisted thoracoscopic surgery (VATS) to robotic pulmonary surgery, the surgical outcomes of robotic surgery compared to VATS, and the future of robotic surgery. Surgery utilizing the da Vinci Surgical System requires a console surgeon and assistant who have been certified by Intuitive Surgical, Inc...
2017: Journal of Visualized Surgery
https://www.readbyqxmd.com/read/29078607/robotics-in-general-thoracic-surgery-procedures
#13
REVIEW
M Jawad Latif, Bernard J Park
The use of robotic technology in general thoracic surgical practice continues to expand across various institutions and at this point many major common thoracic surgical procedures have been successfully performed by general thoracic surgeons using the robotic technology. These procedures include lung resections, excision of mediastinal masses, esophagectomy and reconstruction for malignant and benign esophageal pathologies. The success of robotic technology can be attributed to highly magnified 3-D visualization, dexterity afforded by 7 degrees of freedom that allow difficult dissections in narrow fields and the ease of reproducibility once the initial set up and instruments become familiar to the surgeon...
2017: Journal of Visualized Surgery
https://www.readbyqxmd.com/read/29077619/perceptions-of-risk-and-safety-in-the-icu-a-qualitative-study-of-cognitive-processes-relating-to-staffing
#14
Danielle M D'Lima, Eleanor J Murray, Stephen J Brett
OBJECTIVES: The aims of this study were to 1) examine individual professionals' perceptions of staffing risks and safe staffing in intensive care and 2) identify and examine the cognitive processes that underlie these perceptions. DESIGN: Qualitative case study methodology with nurses, doctors, and physiotherapists. SETTING: Three mixed medical and surgical adult ICUs, each on a separate hospital site within a 1,200-bed academic, tertiary London hospital group...
October 26, 2017: Critical Care Medicine
https://www.readbyqxmd.com/read/29068059/recent-progress-of-retroauricular-robotic-thyroidectomy-with-the-new-surgical-robotic-system
#15
Hyung Kwon Byeon, F Christopher Holsinger, Umamaheswar Duvvuri, Da Hee Kim, Jae Hong Park, Estelle Chang, Se-Heon Kim, Yoon Woo Koh
OBJECTIVE: Previously, we have reported the feasibility of retroauricular (RA) robotic thyroidectomy. Despite its promising surgical outcomes, there were certain intrinsic mechanical limitations inherent to the da Vinci Si System (Intuitive Surgical, Sunnyvale, California, U.S.A.). Since the advent of an upgraded model, the Xi System (Intuitive Surgical), we have actively incorporated the new model into performing RA thyroidectomy. Here, we intend to verify the feasibility of RA robotic thyroidectomy using the new da Vinci Xi System (Intuitive Surgical) with comparison of the former Si-applied surgery (Intuitive Surgical)...
October 25, 2017: Laryngoscope
https://www.readbyqxmd.com/read/29061467/an-interactive-simulation-tool-for-patient-specific-clinical-decision-support-in-single-ventricle-physiology
#16
Timothy Conover, Anthony M Hlavacek, Francesco Migliavacca, Ethan Kung, Adam Dorfman, Richard S Figliola, Tain-Yen Hsia
OBJECTIVE: Modeling of single-ventricle circulations has yielded important insights into their unique flow dynamics and physiology. Here we translated a state-of-the-art mathematical model into a patient-specific clinical decision support interactive Web-based simulation tool and show validation for all 3 stages of single-ventricular palliation. METHODS: Via the adoption a validated lumped parameter method, complete cardiovascular-pulmonary circulatory models of all 3 stages of single-ventricle physiology were created within a simulation tool...
September 20, 2017: Journal of Thoracic and Cardiovascular Surgery
https://www.readbyqxmd.com/read/29052666/patients-perspectives-of-engagement-as-a-safety-strategy
#17
Chasity Burrows Walters, Elizabeth A Duthie
PURPOSE/OBJECTIVES: To describe patient engagement as a safety strategy from the perspective of hospitalized surgical patients with cancer.
. RESEARCH APPROACH: Qualitative, descriptive approach using grounded theory.
. SETTING: Memorial Sloan Kettering Cancer Center in New York, New York.
. PARTICIPANTS: 13 hospitalized surgical patients with cancer.
. METHODOLOGIC APPROACH: Grounded theory with maximum variation sampling...
November 1, 2017: Oncology Nursing Forum
https://www.readbyqxmd.com/read/29052069/robotic-single-site-versus-multiport-laparoscopic-cholecystectomy-a-case-matched-analysis-of-short-and-long-term-costs
#18
Monika E Hagen, Alexandre Balaphas, Michele Podetta, Peter Rohner, Minoa K Jung, Nicolas C Buchs, Leo Buehler, Jona M Mendoza, Philippe Morel
BACKGROUND: Multiport laparoscopy is the gold-standard approach for cholecystectomy, and single-port laparoscopy has been developed to further reduce its invasiveness. A specific robotic single-port platform (da Vinci single-site, Intuitive Surgical Inc., Sunnyvale, CA, USA) has been released in 2011, which could technically facilitate single-site cholecystectomy. Current data show its feasibility; however, detailed short- and long-term analyses of costs and comparisons relative to multiport laparoscopy are not available to date...
October 19, 2017: Surgical Endoscopy
https://www.readbyqxmd.com/read/29046091/crossing-the-bridge-to-vats-lobectomy
#19
P Tcherveniakov, C Bogdan, N Chaudhuri
Introduction The impact of the introduction of video assisted thoracoscopic surgery (VATS) on the management of lung cancer 20 years ago has been well documented. However, the uptake of VATS lobectomy in surgical practice worldwide has been slower than expected. We believe that this is partly due to a lack of consensus on how this procedure should be integrated into training programmes. We present our initial experience with a newly developed training model, which could help bridge the divide between open and VATS lobectomy...
October 19, 2017: Annals of the Royal College of Surgeons of England
https://www.readbyqxmd.com/read/29037183/robot-assisted-laparoscopic-reconstructed-management-of-multiple-aneurysms-in-renal-artery-primary-bifurcations-a-case-report-and-literature-review
#20
Hai-Bin Wei, Xiao-Long Qi, Feng Liu, Wang Jie, Xiao-Feng Ni, Qi Zhang, En-Hui Li, Xuan-Yu Chen, Da-Hong Zhang
BACKGROUND: Renal artery aneurysm (RAA) is rare and its incidence in the general population remains elusive. There have been few reports on the repair of multiple aneurysms conducted with the Da Vinci robot-assisted surgical platform (Intuitive Surgical Inc., Sunnyvale, CA, USA), especially for those located in renal artery primary bifurcations. CASE PRESENTATION: We report our experience in the surgical management of two expanding right-sided RAAs in a 64-year-old man using a robot-assisted laparoscopic approach...
October 16, 2017: BMC Urology
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