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https://www.readbyqxmd.com/read/28227227/multi-task-transfer-learning-for-in-hospital-death-prediction-of-icu-patients
#1
Chandan Karmakar, Budhaditya Saha, Marimuthu Palaniswami, Svetha Venkatesh, Chandan Karmakar, Budhaditya Saha, Marimuthu Palaniswami, Svetha Venkatesh, Budhaditya Saha, Marimuthu Palaniswami, Svetha Venkatesh, Chandan Karmakar
Multi-Task Transfer Learning (MTTL) is an efficient approach for learning from inter-related tasks with small sample size and imbalanced class distribution. Since the intensive care unit (ICU) data set (publicly available in Physionet) has subjects from four different ICU types, we hypothesize that there is an underlying relatedness amongst various ICU types. Therefore, this study aims to explore MTTL model for in-hospital mortality prediction of ICU patients. We used single-task learning (STL) approach on the augmented data as well as individual ICU data and compared the performance with the proposed MTTL model...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28227041/deformable-resection-process-map-for-intraoperative-cutting-guides
#2
Megumi Nakao, Kojiro Taura, Tetsuya Matsuda, Megumi Nakao, Kojiro Taura, Tetsuya Matsuda, Megumi Nakao, Kojiro Taura, Tetsuya Matsuda
In this paper, we will introduce the concept of deformable resection process mapping as a time-varying geometric guide for soft tissue tumor resection procedures. The deformable resection process map (RPM) estimates the local appearance of vascular structures after cuts as a novel guide. The RPM can be directly generated from patient-specific medical images using volumetric resampling techniques. Since user input of some cutting points is the only requirement for generating the RPM, the developed software will be directly available for clinical use to preview surgical procedures and intraoperative workflow management without time-consuming setups or additional workloads...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28227001/mechanism-for-safe-remote-activation-of-networked-surgical-and-poc-devices-using-dynamic-assignable-controls
#3
Martin Kasparick, Max Rockstroh, Stefan Schlichting, Frank Golatowski, Dirk Timmermann, Martin Kasparick, Max Rockstroh, Stefan Schlichting, Frank Golatowski, Dirk Timmermann, Stefan Schlichting, Martin Kasparick, Max Rockstroh, Frank Golatowski, Dirk Timmermann
The number of devices within an operating room (OR) increases continuously as well as the complexity of the complete system. One key enabler to handle the complexity is an interoperable and vendor independent system of networked medical devices. To build up such an interoperable system we use the proposed IEEE 11073 SDC standards (IEEE P11073-10207, -20701, -20702) for networked point-of-care (PoC) and surgical devices. One of the major problems within the OR is that typically every device has its own control unit...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28226944/3d-force-torque-characterization-of-emergency-cricothyroidotomy-procedure-using-an-instrumented-scalpel
#4
Adam Ryason, Ganesh Sankaranarayanan, Kathryn L Butler, Marc DeMoya, Suvranu De, Adam Ryason, Ganesh Sankaranarayanan, Kathryn L Butler, Marc DeMoya, Suvranu De, Suvranu De, Marc DeMoya, Kathryn L Butler, Ganesh Sankaranarayanan, Adam Ryason
Emergency Cricothyroidotomy (CCT) is a surgical procedure performed to secure a patient's airway. This high-stakes, but seldom-performed procedure is an ideal candidate for a virtual reality simulator to enhance physician training. For the first time, this study characterizes the force/torque characteristics of the cricothyroidotomy procedure, to guide development of a virtual reality CCT simulator for use in medical training. We analyze the upper force and torque thresholds experienced at the human-scalpel interface...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28226729/passive-artifact-behavior-prediction-of-interventional-tools-in-high-field-mri-using-a-0-55t-portable-benchtop-mr-scanner
#5
H Abadi, J Krug, A Illanes, M Friebe, H Abadi, J Krug, A Illanes, M Friebe, J Krug, M Friebe, A Illanes, H Abadi
Using magnetic resonance imaging (MRI) for guiding minimally invasive interventions requires surgical devices which on one hand are visible in the MR image but on the other hand do not generate large artifacts, which distort the overall imaging process. Passive markers are one way to visualize devices such as catheters or biopsy needles in MRI. The evaluation of newly developed passive markers usually requires access to high-field MRI scanners (1.5 T and 3 T). This makes the practical evaluation time-consuming and expensive...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28226715/adaptive-segmentation-and-mask-specific-sobolev-inpainting-of-specular-highlights-for-endoscopic-images
#6
Samar M Alsaleh, Angelica I Aviles, Pilar Sobrevilla, Alicia Casals, James K Hahn, Samar M Alsaleh, Angelica I Aviles, Pilar Sobrevilla, Alicia Casals, James K Hahn, Angelica I Aviles, Samar M Alsaleh, Alicia Casals, Pilar Sobrevilla, James K Hahn
Minimally invasive surgical and diagnostic systems rely on endoscopic images of internal organs to assist medical tasks. Specular highlights are common on those images due to the strong reflectivity of the mucus layer on the organs and the relatively high intensity of the light source. This is a significant source of error that can affect the systems' performance. In this paper, we propose a segmentation method of the specular regions based on an automatic color-adaptive threshold and a gradient-based edge detector...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28226358/-laparoscopic-segmental-gastrectomy-for-early-gastric-cancer
#7
Lai Xu, Beizhan Niu, Xiyu Sun, Menghua Dai, Yi Xiao
OBJECTIVE: To investigate the feasibility of segmental pylorus-reservation gastrectomy in patients with early gastric cancer. METHOD: A retrospective cohort study on clinical data of 6 patients strictly met the criteria of early gastric cancer locating in the middle of the stomach undergoing laparoscopic segmental gastrectomy from January 2014 to April 2016 at Department of General Surgery, Peking Union Medical College Hospital was carried out. Preoperative clinical staging revealed T1N0M0 for all the cases...
February 25, 2017: Zhonghua Wei Chang Wai Ke za Zhi, Chinese Journal of Gastrointestinal Surgery
https://www.readbyqxmd.com/read/28226354/-prognostic-factors-of-lymph-node-negative-metastasis-gastric-cancer
#8
Ding Sun, Huimian Xu, Jinyu Huang
OBJECTIVE: To investigate the prognostic factors of patients with lymph node-negative metastasis gastric cancer (pN0). METHODS: Clinicopathological data of patients with pN0 gastric cancer who underwent radical operation at the Department of Surgical Oncology, The First Hospital of China Medical University from May 1980 to August 2012 were collected and analyzed retrospectively. INCLUSION CRITERIA: (1) Patients were diagnosed as gastric adenocarcinoma; (2) Postoperative pathology confirmed T1a to 4bN0M0 gastric cancer; (3) Total number of harvested lymph node was more than 15...
February 25, 2017: Zhonghua Wei Chang Wai Ke za Zhi, Chinese Journal of Gastrointestinal Surgery
https://www.readbyqxmd.com/read/28226348/-the-key-points-of-prevention-for-special-surgical-complications-after-radical-operation-of-gastric-cancer
#9
Hao Xu, Weizhi Wang, Panyuan Li, Diancai Zhang, Li Yang, Zekuan Xu
Incidence of gastric cancer is high in China and standard radical operation is currently the main treatment for gastric cancer. Postoperative complications, especially some special complications, can directly affect the prognosis of patients, even result in the increase of mortality. But the incidences of these special complications are low, so these complications are often misdiagnosed and delayed in treatment owing to insufficient recognition of medical staff. These special complications include (1) Peterson hernia: It is an abdominal hernia developed in the space between Roux loop and transverse colon mesentery after Roux-Y reconstruction of digestive tract...
February 25, 2017: Zhonghua Wei Chang Wai Ke za Zhi, Chinese Journal of Gastrointestinal Surgery
https://www.readbyqxmd.com/read/28226343/-diagnosis-and-risk-assessment-of-postoperative-complications-of-gastric-cancer-in-japan-and-korea
#10
Xiang Hu, Chi Zhang
Radical surgery of gastric cancer (D2 lymph node dissection) as the standard operation is widely used in clinical practice and satisfactory prognosis can be obtained in patients who receive radical gastrectomy. But surgical invasion can cause high morbidity of complications and mortality. The data of large-scale evidence-based medical clinical trials and large databases in Japan and Korea showed that anastomotic leakage, pancreatic leakage and abdominal abscess were the most common complications after gastrectomy, and the morbidity of complication was about 20% and mortality was about 1%...
February 25, 2017: Zhonghua Wei Chang Wai Ke za Zhi, Chinese Journal of Gastrointestinal Surgery
https://www.readbyqxmd.com/read/28226340/oral-oxycodone-for-acute-postoperative-pain-a-review-of-clinical-trials
#11
Chi Wai Cheung, Stanley Sau Ching Wong, Qiu Qiu, Xianyu Wang
BACKGROUND: Opioids are the mainstay of pain management for acute postsurgical pain. Oral oxycodone is an opioid that can provide effective acute postoperative pain relief. OBJECTIVES: To evaluate the use of oral oxycodone for acute postoperative pain management. STUDY DESIGN: This is a narrative review based on published articles searched in PubMed and Medline from 2003 to 2015 on oral oxycodone for acute postoperative pain management. METHODS: Clinical trials related to the use of oral oxycodone for acute postoperative pain management were searched via PubMed and Medline from 2003 to 2015...
February 2017: Pain Physician
https://www.readbyqxmd.com/read/28225958/recurrence-rate-of-basal-cell-carcinoma-with-positive-histopathological-margins-and-related-risk-factors
#12
Fernanda Lara, Jesus Rodriguez Santamaría, Luiz Eduardo Fabricio de Melo Garbers
BACKGROUND: The best way to approach surgically removed basal cell carcinoma with positive histopathological margins is a controversial issue. Some authors believe that the more appropriate treatment is an immediate reoperation while others prefer a periodic follow up. The rates of recurrence are variable in literature, between 10% and 67%. OBJECTIVE: To define the recurrence rate of basal cell carcinoma with positive margins after surgery. Secondarily, identify morphological aspects that can suggest a more frequent tumoral recurrence...
January 2017: Anais Brasileiros de Dermatologia
https://www.readbyqxmd.com/read/28225920/student-insight-about-the-discipline-of-surgical-technique-on-the-formative-process-in-the-school-of-medicine-of-ufrj
#13
Victor Diniz Senna, Keren Cozer, Manoel Luiz Ferreira, José Marcus Raso Eulálio, Paulo Cesar Silva, José Eduardo Ferreira Manso, Alberto Schanaider
Purpose: To evaluate whether undergraduate students feel motivated to develop surgical skills and know their impression about the importance of having a surgical technique discipline in the curriculum of a medical school. Methods: A prospective study including three classes in a row, from the 8th period (n = 265) evaluated the knowledge acquired at the Center of Experimental Surgery, Department of Surgery, School of Medicine of Federal University of Rio de Janeiro (UFRJ)...
January 2017: Acta Cirúrgica Brasileira
https://www.readbyqxmd.com/read/28225742/review-of-military-and-civilian-trauma-registries-does-consensus-matter
#14
Thijs T C F van Dongen, Johan de Graaf, Eelco P Huizinga, Howard R Champion, Rigo Hoencamp, Luke P H Leenen
BACKGROUND: Structural collection of data from combat injuries is important to improve provided care and the outcome of (combat) casualties. Trauma registries are used in civilian and military health care systems for systematic administration of injury data. However, these registries often use different methods of data management, compromising international comparison of trauma systems. The aim of this review is to aid in reaching international (coalition-wide) consensus for compatible data collection methods with uniform definitions, which is needed for transnational research and subsequent improvement of medical support organizations...
March 2017: Journal of Trauma and Acute Care Surgery
https://www.readbyqxmd.com/read/28225648/safety-of-autologous-human-schwann-cell-transplantation-in-subacute-thoracic-spinal-cord-injury
#15
Kimberly D Anderson, James Guest, W Dalton Dietrich, Mary B Bunge, Rosie Curiel, Marine Dididze, Barth A Green, Aisha Khan, Damien D Pearse, Efrat Saraf-Lavi, Eva Widerstrom-Noga, Pat Wood, Allan D Levi
The rationale for implantation of autologous human Schwann cells (SCs) in people with subacute spinal cord injury (SCI) is based on evidence that transplanted SCs are neuroprotective, support local axonal plasticity, and are capable of myelinating axons. A Phase I clinical trial was conducted to evaluate the safety of autologous human SC transplantation into the injury epicenter of six subjects with subacute SCI. The trial was an open-label, unblinded, non-randomized, non-placebo controlled study with a dose escalation design and standard medical rehabilitation...
February 18, 2017: Journal of Neurotrauma
https://www.readbyqxmd.com/read/28225049/prevalence-and-predictors-of-weight-change-post-discharge-from-hospital-a-study-of-the-canadian-malnutrition-task-force
#16
H Keller, M Laporte, H Payette, J Allard, P Bernier, D Duerksen, L Gramlich, K Jeejeebhoy
BACKGROUND/OBJECTIVES: Little is known about factors associated with weight change post discharge from hospital; yet poor nutritional status in the transition from hospital to community can result in readmission. This exploratory study aimed to determine the factors associated with weight change 30 days post discharge defined as weight gain (WG; 5+ pounds), weight loss (WL; 5+pounds) or weight stable (WS). SUBJECTS/METHODS: A total of 922 medical or surgical patients were recruited from 16 acute care hospitals in 8 Canadian provinces...
February 22, 2017: European Journal of Clinical Nutrition
https://www.readbyqxmd.com/read/28224630/the-current-status-of-human-laryngeal-transplantation-in-2017-a-state-of-the-field-review
#17
REVIEW
Giri Krishnan, Charles Du, Jonathan M Fishman, Andrew Foreman, David G Lott, Gregory Farwell, Peter Belafsky, Suren Krishnan, Martin A Birchall
OBJECTIVES: Human laryngeal allotransplantation has long been contemplated as a surgical option following laryngectomy, but there is a paucity of information regarding the indications, surgical procedure, and patient outcomes. Our objectives were to identify all human laryngeal allotransplants that have been undertaken and reported in the English literature and to evaluate the success of the procedure. DATA SOURCES: MEDLINE, Embase, Current Index to Nursing and Allied Health Literature, Web of Science and Scopus, and the Gray literature...
February 22, 2017: Laryngoscope
https://www.readbyqxmd.com/read/28224216/vascular-surgery-the-main-risk-factor-for-mortality-in-146-takayasu-arteritis-patients
#18
Nilton Salles Rosa Neto, Samuel Katsuyuki Shinjo, Maurício Levy-Neto, Rosa Maria Rodrigues Pereira
Takayasu arteritis (TA) is an idiopathic chronic inflammatory disease that affects the aorta and its main branches. According to disease involvement, patients may require surgical treatment mainly due ischemic lesions in association with medical therapy. We evaluated the impact of vascular interventions in a cohort of TA patients. Medical records from 146 TA patients were reviewed. Clinical features, medical, and surgical treatment were revised and disease activity was determined by clinical, laboratorial, and imaging parameters...
February 21, 2017: Rheumatology International
https://www.readbyqxmd.com/read/28224110/comparison-of-inhaled-milrinone-nitric-oxide-and-prostacyclin-in-acute-respiratory-distress-syndrome
#19
Martin Albert, Daniel Corsilli, David R Williamson, Marc Brosseau, Patrick Bellemare, Stéphane Delisle, Anne Qn Nguyen, France Varin
AIM: To evaluate the safety and efficacy of inhaled milrinone in acute respiratory distress syndrome (ARDS). METHODS: Open-label prospective cross-over pilot study where fifteen adult patients with hypoxemic failure meeting standard ARDS criteria and monitored with a pulmonary artery catheter were recruited in an academic 24-bed medico-surgical intensive care unit. Random sequential administration of iNO (20 ppm) or nebulized epoprostenol (10 μg/mL) was done in all patients...
February 4, 2017: World Journal of Critical Care Medicine
https://www.readbyqxmd.com/read/28224108/implementation-of-enteral-feeding-protocol-in-an-intensive-care-unit-before-and-after-study
#20
Martin Padar, Gerli Uusvel, Liis Starkopf, Joel Starkopf, Annika Reintam Blaser
AIM: To determine the effects of implementing an enteral feeding protocol on the nutritional delivery and outcomes of intensive care patients. METHODS: An uncontrolled, observational before-and-after study was performed in a tertiary mixed medical-surgical intensive care unit (ICU). In 2013, a nurse-driven enteral feeding protocol was developed and implemented in the ICU. Nutrition and outcome-related data from patients who were treated in the study unit from 2011-2012 (the Before group) and 2014-2015 (the After group) were obtained from a local electronic database, the national Population Registry and the hospital's Infection Control Service...
February 4, 2017: World Journal of Critical Care Medicine
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