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https://www.readbyqxmd.com/read/28231555/edge-preserving-denoising-for-intra-operative-cone-beam-ct-in-endovascular-aneurysm-repair
#1
Yi Liu, Miguel Castro, Mathieu Lederlin, Huazhong Shu, Adrien Kaladji, Pascal Haigron
C-arm cone-beam computed tomography (CBCT) acquisition during endovascular aneurysm repair (EVAR) is an emergent technology with more and more applications. It offers real time imaging with a stationary patient and provides 3-D information to achieve guidance of intervention. However, there is growing concern on the overall radiation doses delivered to patients all along the endovascular management due to pre-, intra-, and post-operative X-ray imaging. Manufactures may have their low dose protocols to realize reduction of radiation dose, but CBCT with a low dose protocol has too many artifacts, particularly streak artifacts, and decreased contrast-to-noise ratio (CNR)...
January 30, 2017: Computerized Medical Imaging and Graphics: the Official Journal of the Computerized Medical Imaging Society
https://www.readbyqxmd.com/read/28230324/effects-of-short-term-energy-restriction-on-liver-lipid-content-and-inflammatory-status-in-severely-obese-adults-results-of-a-randomised-controlled-trial-rct-using-two-dietary-approaches
#2
Emma L Baldry, Guruprasad P Aithal, Philip Kaye, Iskandar R Idris, Andrew Bennett, Paul C Leeder, Ian A Macdonald
Short-term very low energy diets (VLED) are used in clinical practice prior to bariatric surgery, however, regimens vary and outcomes for a short intervention are unclear. We examined the effect of two VLEDs; a food-based diet (FD) and meal replacement plan (MRP) (LighterLife) over two weeks in a randomised controlled trial (RCT). We collected clinical and anthropometric data, fasting blood samples, and dietary evaluation questionnaires. Surgeons took liver biopsies and made a visual assessment of the liver...
February 23, 2017: Diabetes, Obesity & Metabolism
https://www.readbyqxmd.com/read/28230274/epidemiology-of-inflammatory-bowel-disease-among-participants-of-the-millennium-cohort-incidence-deployment-related-risk-factors-and-antecedent-episodes-of-infectious-gastroenteritis
#3
C K Porter, M Welsh, M S Riddle, C Nieh, E J Boyko, G Gackstetter, T I Hooper
BACKGROUND: Crohn's disease (CD) and ulcerative colitis (UC) are two pathotypes of inflammatory bowel disease (IBD) with unique pathology, risk factors and significant morbidity. AIM: To estimate incidence and identify IBD risk factors in a US military population, a healthy subset of the US population, using information from the Millennium Cohort Study. METHODS: Incident IBD was identified from medical encounters from 2001 to 2009 or by self-report...
February 23, 2017: Alimentary Pharmacology & Therapeutics
https://www.readbyqxmd.com/read/28230242/routine-port-site-excision-in-incidentally-discovered-gallbladder-cancer-is-not-associated-with-improved-survival-a-multi-institution-analysis-from-the-us-extrahepatic-biliary-malignancy-consortium
#4
Cecilia G Ethun, Lauren M Postlewait, Nina Le, Timothy M Pawlik, George Poultsides, Thuy Tran, Kamran Idrees, Chelsea A Isom, Ryan C Fields, Bradley A Krasnick, Sharon M Weber, Ahmed Salem, Robert C G Martin, Charles R Scoggins, Perry Shen, Harveshp D Mogal, Carl Schmidt, Eliza Beal, Ioannis Hatzaras, Rivfka Shenoy, Kenneth Cardona, Shishir K Maithel
BACKGROUND: Current data on the utility of port-site excision (PSE) during re-resection for incidentally discovered gallbladder cancer (IGBC) in the US are conflicting and limited to single-institution series. METHODS: All patients with IGBC who underwent curative re-resection at 10 institutions from 2000 to 2015 were included. Patients with and without PSE were compared. Primary outcome was overall survival (OS). RESULTS: Of 449 pts with GBC, 266 were incidentally discovered, of which 193(73%) underwent curative re-resection and had port-site data; 47 pts(24%) underwent PSE, 146(76%) did not...
February 23, 2017: Journal of Surgical Oncology
https://www.readbyqxmd.com/read/28230236/a-proposal-of-post-operative-nomogram-for-overall-survival-in-patients-with-renal-cell-carcinoma-and-venous-tumor-thrombus
#5
Liangyou Gu, Zihuan Wang, Luyao Chen, Xin Ma, Hongzhao Li, Wenyuan Nie, Cheng Peng, Xintao Li, Yu Gao, Xu Zhang
OBJECTIVE: To identify the predictors of overall survival (OS) and create a post-operative prognostic model for patients with renal cell carcinoma (RCC) and venous tumor thrombus (VTT). PATIENTS AND METHODS: The study cohort included patients with RCC and VTT that underwent full surgical resection between 2006 and 2016. Univariate and multivariate analyses were used to determine the prognostic factors of OS. A nomogram was developed and internally calibrated by bootstrap resampling method...
February 23, 2017: Journal of Surgical Oncology
https://www.readbyqxmd.com/read/28230010/dosimetry-study-of-three-dimensional-print-template-guided-precision-125-i-seed-implantation
#6
Zhang Hongtao, Di Xuemin, Yu Huimin, Wang Zeyang, Zhang Lijuan, Zhao Jinxin, Liu Zezhou, Sui Aixia, Wang Juan
OBJECTIVE: This study aimed to compare the dose difference in 125 I seed implantation between three-dimensional (3D) print template-guided operation and traditional implantation. MATERIALS AND METHODS: This study retrospectively analyzed 27 patients who underwent 125I seed implantation from August 2015 to December 2015 in Hebei General Hospital. Of these, 13 underwent seed implantation guided by a 3D print template, named the template group, and 14 underwent traditional implantation, named the traditional group...
December 2016: Journal of Cancer Research and Therapeutics
https://www.readbyqxmd.com/read/28230008/analysis-of-therapeutic-effectiveness-and-prognostic-factor-on-argon-helium-cryoablation-combined-with-transcatheter-arterial-chemoembolization-for-the-treatment-of-advanced-hepatocellular-carcinoma
#7
Chen Huang, Weizhao Zhuang, Huigang Feng, Huizhuang Guo, Yukuan Tang, Hanwei Chen, Yi Huang
OBJECTIVE: The objective of this study was to evaluate the effectiveness on argon-helium cryoablation combined with transcatheter arterial chemoembolization (TACE) in treating advanced hepatocellular carcinoma (HCC) and its influence factor. MATERIALS AND METHODS: This trial was approved by the Guangzhou Panyu Central Hospital Ethics Committee. This was a prospective, single-center study conducted in Guangzhou Panyu Central Hospital. After informed consent was obtained, the prospective randomized clinical data of 120 patients with advanced HCC were collected...
December 2016: Journal of Cancer Research and Therapeutics
https://www.readbyqxmd.com/read/28229953/realizing-field-dependent-conduction-in-zno-nanowires-without-annealing
#8
C P Burke-Govey, U Castanet, H Warring, A Nau, B J Ruck, J Majimel, N O V Plank
We report on the low-temperature fabrication of field-effect transistors by bridging pre-patterned electrodes using ZnO nanowires grown in situ, which operate without requiring post-growth processing or annealing. The devices show good performance using as-grown nanowires, with on-off ratios of 10(5) and threshold voltages of 2 V. Electron microscopy shows the field-dependent nanowires hierarchically nucleate from larger ZnO nanorods, and both are oriented along a common c-axis. A high nanowire surface-to-volume ratio allows depleting electron traps on the nanowire surface to compensate intrinsic electron donors present throughout the nanowire bulk...
February 23, 2017: Nanotechnology
https://www.readbyqxmd.com/read/28229936/neurons-of-the-rat-cervical-spinal-cord-express-vimentin-and-neurofilament-after-intraparenchymal-injection-of-kainic-acid
#9
Fabián Nishida, Susana M Sisti, Carolina N Zanuzzi, Claudio G Barbeito, Enrique L Portiansky
Intermediate filaments (IF) can be altered under disorders such as neurodegenerative diseases. Kainic acid (KA) induce behavioral changes and histopathological alterations of the spinal cord of injected rats. Our goal was to evaluate the IF expression in neurons during this injury model. Animals were injected with KA at the C5 segment of the cervical spinal cord and euthanized at 1, 3 and 7 post injection (pi) days. Neuronal cell counting showed a significant loss of neurons at the injection site when compared with those of sham and non-operated animals...
February 13, 2017: Neuroscience Letters
https://www.readbyqxmd.com/read/28229362/transcriptional-and-post-translational-control-of-chlorophyll-biosynthesis-by-dark-operative-protochlorophyllide-oxidoreductase-in-norway-spruce
#10
Stolárik Tibor, Hedtke Boris, Šantrůček Jiří, Ilík Petr, Grimm Bernhard, Pavlovič Andrej
Unlike angiosperms, gymnosperms use two different enzymes for the reduction of protochlorophyllide to chlorophyllide: the light-dependent protochlorophyllide oxidoreductase (LPOR) and the dark-operative protochlorophyllide oxidoreductase (DPOR). In this study, we examined the specific role of both enzymes for chlorophyll synthesis in response to different light/dark and temperature conditions at different developmental stages (cotyledons and needles) of Norway spruce (Picea abies Karst.). The accumulation of chlorophyll and chlorophyll-binding proteins strongly decreased during dark growth in secondary needles at room temperature as well as in cotyledons at low temperature (7 °C) indicating suppression of DPOR activity...
February 22, 2017: Photosynthesis Research
https://www.readbyqxmd.com/read/28229315/the-utility-of-diagnostic-laparoscopy-in-post-bariatric-surgery-patients-with-chronic-abdominal-pain-of-unknown-etiology
#11
Mohammad Alsulaimy, Suriya Punchai, Fouzeyah A Ali, Matthew Kroh, Philip R Schauer, Stacy A Brethauer, Ali Aminian
PURPOSE: Chronic abdominal pain after bariatric surgery is associated with diagnostic and therapeutic challenges. The aim of this study was to evaluate the yield of laparoscopy as a diagnostic and therapeutic tool in post-bariatric surgery patients with chronic abdominal pain who had negative imaging and endoscopic studies. METHODS: A retrospective analysis was performed on post-bariatric surgery patients who underwent laparoscopy for diagnosis and treatment of chronic abdominal pain at a single academic center...
February 22, 2017: Obesity Surgery
https://www.readbyqxmd.com/read/28229292/laser-eustachian-tuboplasty-for-eustachian-tube-dysfunction-a-case-series-review
#12
REVIEW
Benjamin John Miller, Mustafa Jaafar, Hassan A Elhassan
The authors reviewed the literature regarding the safety and efficacy of Laser Eustachian Tuboplasty (LETP) in the treatment of Eustachian tube dysfunction (ETD). Medline via Pubmed, OvidSP and Science Direct were consulted, with a supplementary manual review of citations. English language case series constituted a baseline for inclusion. Primary outcome measures were pre- and post-operative tympanometry, otoscopy findings, subjective symptoms and pure tone audiometry, and findings were stratified into short term (≤6 months) and long term (>6 months-5 years)...
February 22, 2017: European Archives of Oto-rhino-laryngology
https://www.readbyqxmd.com/read/28229210/robotic-kidney-transplantation-one-year-after-the-beginning
#13
Alberto Breda, Angelo Territo, Lluis Gausa, Oscar Rodríguez-Faba, Jorge Caffaratti, Javier Ponce de León, Lluis Guirado, Carme Facundo, Marco Guazzieri, Andrea Guttilla, Humberto Villavicencio
INTRODUCTION: Kidney transplantation (KT) is the preferred treatment for patients with end-stage renal disease (ESRD). To reduce the morbidity of the open surgery, a robotic-assisted approach has been recently introduced. Our aim is to evaluate surgical and functional results on 17 cases of robotic-assisted kidney transplantation (RAKT) performed at the same institution. MATERIALS AND METHODS: From July 2015 to June 2016, we performed 17 cases of RAKT from living donors in pre-emptive patients, who underwent laparoscopic nephrectomy...
February 22, 2017: World Journal of Urology
https://www.readbyqxmd.com/read/28229062/two-techniques-of-tonsillectomy-performed-in-identical-twins-a-case-report
#14
Ali Bagherihagh, Seyed Mousa Sadr Hossein
INTRODUCTION: Cold dissection (CD) and bipolar cautery dissection (BCD) techniques are two common surgical tonsillectomy procedures used in the clinic. Obstruction has become more prevalent as the major surgical indication and is most prominently observed in younger children. CASE REPORT: In this report, we aimed to explain the abovementioned surgical techniques in detail and compare the results in identical twins (monozygote twins). Using low energy electrocautery, irrigating the operation site continuously during cauterization, avoiding unnecessary sutures, and direct cautery to the tonsil bed are all effective measures that have diminished post-op pain in bipolar electrocautery dissection, compared to cold dissection tonsillectomy...
January 2017: Iranian Journal of Otorhinolaryngology
https://www.readbyqxmd.com/read/28229059/comparison-of-fluoroplastic-causse-loop-piston-and-titanium-soft-clip-in-stapedotomy
#15
Mohammad Faramarzi, Nafiseh Gilanifar, Sareh Roosta
INTRODUCTION: Different types of prosthesis are available for stapes replacement. Because there has been no published report on the efficacy of the titanium soft-clip vs the fluoroplastic Causse loop Teflon piston, we compared short-term hearing results of both types of prosthesis in patients who underwent stapedotomy due to otosclerosis. MATERIALS AND METHODS: A total of 57 ears were included in the soft-clip group and 63 ears were included in the Teflon-piston group...
January 2017: Iranian Journal of Otorhinolaryngology
https://www.readbyqxmd.com/read/28229057/meatoplasty-in-canal-wall-down-surgery-our-experience-and-literature-review
#16
Faramarz Memari, Mojtaba Maleki Delarestaghi, Parisa Mir, Mohammad GolMohammadi, Ehsan Shams Koushki
INTRODUCTION: Meatoplasty is the final and essential step in performing effective canal wall down surgery for chronic otitis media. In this article we review some previous techniques and discuss our preferred method. MATERIALS AND METHODS: In this observational case series study, we used this technique in 53 patients (28 male and 25 female) between January 2005 and January 2008. Our survey was completed in 31 patients. RESULTS: Twenty-six patients (83...
January 2017: Iranian Journal of Otorhinolaryngology
https://www.readbyqxmd.com/read/28229021/the-preventive-effect-of-dexmedetomidine-on-paroxysmal-sympathetic-hyperactivity-in-severe-traumatic-brain-injury-patients-who-have-undergone-surgery-a-retrospective-study
#17
Qilin Tang, Xiang Wu, Weiji Weng, Hongpeng Li, Junfeng Feng, Qing Mao, Guoyi Gao, Jiyao Jiang
BACKGROUND: Paroxysmal sympathetic hyperactivity (PSH) results and aggravates in secondary brain injury, which seriously affects the prognosis of severe traumatic brain injury patients. Although several studies have focused on the treatment of PSH, few have concentrated on its prevention. METHODS: Ninety post-operation (post-op) severe traumatic brain injury (sTBI) patients admitted from October 2014 to April 2016 were chosen to participate in this study. Fifty of the post-op sTBI patients were sedated with dexmedetomidine and were referred as the "dexmedetomidine group" (admitted from May 2015 to April 2016)...
2017: PeerJ
https://www.readbyqxmd.com/read/28228951/are-we-cross-matching-too-much-blood-for-elective-open-abdominal-aortic-aneurysm-repair
#18
Emily Lowe, John Quarmby
OBJECTIVES: This study aims to identify current blood transfusion requirements in elective open abdominal aortic aneurysm repair and to compare this to an existing maximum surgical blood order schedule. METHODS: We retrospectively identified patients who underwent elective open abdominal aortic aneurysm repair over a 40-month period in our institution. Pre-operative number of units cross-matched and the number of units actually transfused were identified. The cross-match to transfusion ratio was then calculated...
2017: SAGE Open Medicine
https://www.readbyqxmd.com/read/28228938/physical-activity-levels-in-locally-advanced-rectal-cancer-patients-following-neoadjuvant-chemoradiotherapy-and-an-exercise-training-programme-before-surgery-a-pilot-study
#19
Lisa Loughney, Malcolm A West, Borislav D Dimitrov, Graham J Kemp, Michael Pw Grocott, Sandy Jack
BACKGROUND: The aim of this pilot study was to measure changes in physical activity level (PAL) variables, as well as sleep duration and efficiency in people with locally advanced rectal cancer (1) before and after neoadjuvant chemoradiotherapy (CRT) and (2) after participating in a pre-operative 6-week in-hospital exercise training programme, following neoadjuvant CRT prior to major surgery, compared to a usual care control group. METHODS: We prospectively studied 39 consecutive participants (27 males)...
2017: Perioperative Medicine
https://www.readbyqxmd.com/read/28228937/predictors-of-total-morbidity-burden-on-days-3-5-and-8-after-cardiac-surgery
#20
Julie Sanders, Jackie Cooper, Michael G Mythen, Hugh E Montgomery
BACKGROUND: Post-operative morbidity affects up to 36% of cardiac surgical patients. However, few countries reliably record morbidity outcome data, despite patients wanting to be informed of all the risks associated with surgery. The Cardiac Post-Operative Morbidity Score (C-POMS) is a new tool for describing and scoring (0-13) total morbidity burden after cardiac surgery, derived by noting the presence/absence of 13 morbidity domains on days 3, 5, 8 and 15. Identifying modifiable C-POMS risk factors may suggest targets for intervention to reduce morbidity and healthcare costs...
2017: Perioperative Medicine
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