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https://www.readbyqxmd.com/read/28240463/incidence-and-management-of-postoperative-bile-leaks-a-prospective-cohort-analysis-of-467-liver-resections
#1
A J Dell, J E J Krige, E Jonas, S R Thomson, S J Beningfield, U K Kotze, S A Tromp, S Burmeister, M M Bernon, P C Bornman
BACKGROUND: Bile leaks from the parenchymal transection margin are a major cause of morbidity following major liver resections. The aim of this study was to benchmark the incidence and identify the risk factors for postoperative bile leakage after hepatic resection. PATIENTS AND METHODS: A prospective database of 467 consecutive liver resections performed by the University of Cape Town HPB surgical unit between January 1990 and January 2016 was analysed. The relationship of demographic, clinical and perioperative factors to the development of bile leakage was determined...
September 2016: South African Journal of Surgery. Suid-Afrikaanse Tydskrif Vir Chirurgie
https://www.readbyqxmd.com/read/28240462/laparoscopic-management-of-hydatid-cyst-of-the-liver
#2
Y Yağmur, S Akbulut, S Gümüş, M Babür, M A Can
BACKGROUND: Hydatid liver disease management has evolved from traditional operative approaches to the increasing application of laparoscopic treatments. We aimed to prospectively assess the early outcomes of laparoscopic treatment at our institution. PATIENTS AND METHODS: Forty-four patients with hydatid disease of liver were screened with ultrasonography and computed tomography of the abdomen to exclude Gharbi type V cysts. The distribution of cyst sizes was: 1-4 cm, 10; 5-10 cm, 24; 10-15 cm, 8; > 15 cm, 2 patients...
September 2016: South African Journal of Surgery. Suid-Afrikaanse Tydskrif Vir Chirurgie
https://www.readbyqxmd.com/read/28240273/amyloid-plaque-structure-and-cell-surface-interactions-of-%C3%AE-amyloid-fibrils-revealed-by-electron-tomography
#3
Shen Han, Marius Kollmer, Daniel Markx, Stephanie Claus, Paul Walther, Marcus Fändrich
The deposition of amyloid fibrils as plaques is a key feature of several neurodegenerative diseases including in particular Alzheimer's. This disease is characterized, if not provoked, by amyloid aggregates formed from Aβ peptide that deposit inside the brain or are toxic to neuronal cells. We here used scanning transmission electron microscopy (STEM) to determine the fibril network structure and interactions of Aβ fibrils within a cell culture model of Alzheimer's disease. STEM images taken from the formed Aβ amyloid deposits revealed three main types of fibril network structures, termed amorphous meshwork, fibril bundle and amyloid star...
February 27, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28240039/occurrence-of-spot-signs-from-hypodensity-areas-on-precontrast-ct-in-intracerebral-hemorrhage
#4
Jun Nishiyama, Takatoshi Sorimachi, Rie Aoki, Go Inoue, Mitsunori Matsumae
OBJECTIVE: Both the spot signs, which is a bright spot on computed tomography angiography (CTA) source images, and hypodensity areas within a hematoma on precontrast CT scans, which presumably represent uncoagulated blood, have been reported to be predictive of hematoma enlargement in acute spontaneous intracerebral hematoma (ICH). The aim was to investigate densities on precontrast CT scans in an area within a hematoma that matched the locations of spot signs on CTA source images. METHODS: In consecutive cases of spontaneous ICH admitted within 6 h after onset, early spot signs on CTA source images and delayed spot signs on delayed-phase CT scans 90 s after CTA were evaluated...
February 25, 2017: Neurological Research
https://www.readbyqxmd.com/read/28239257/percutaneous-vertebroplasty-relieves-pain-in-cervical-spine-metastases
#5
Li Bao, Pu Jia, Jinjun Li, Hao Chen, Yipeng Dong, Fei Feng, He Yang, Mengmeng Chen, Hai Tang
Percutaneous vertebroplasty (PVP) has been shown to release spinal pain and stabilize the vertebral body. PVP is suggested as an alternative treatment in spinal metastasis. Although cervical metastases is less prevalent than thoracic and lumbar spine, PVP procedure in cervical vertebrae remains technical challenging. We retrospectively analyzed the data from patients (n = 9) who underwent PVP using anterolateral approach to treat severe neck pain and restricted cervical mobility from metastatic disease. Patients were rated using modified Tokuhashi score and Tomita score before the procedure...
2017: Pain Research & Management: the Journal of the Canadian Pain Society
https://www.readbyqxmd.com/read/28239201/immersogeometric-cardiovascular-fluid-structure-interaction-analysis-with-divergence-conforming-b-splines
#6
David Kamensky, Ming-Chen Hsu, Yue Yu, John A Evans, Michael S Sacks, Thomas J R Hughes
This paper uses a divergence-conforming B-spline fluid discretization to address the long-standing issue of poor mass conservation in immersed methods for computational fluid-structure interaction (FSI) that represent the influence of the structure as a forcing term in the fluid subproblem. We focus, in particular, on the immersogeometric method developed in our earlier work, analyze its convergence for linear model problems, then apply it to FSI analysis of heart valves, using divergence-conforming B-splines to discretize the fluid subproblem...
February 1, 2017: Computer Methods in Applied Mechanics and Engineering
https://www.readbyqxmd.com/read/28239085/endoscopic-nasobiliary-drainage-for-bile-leak-caused-by-injury-to-the-ducts-of-luschka
#7
Soon Young Ko, Jeong Rok Lee, Joon Ho Wang
A 51-year-old man underwent laparoscopic cholecystectomy for gallbladder stones. He had developed fever, chills, and abdominal pain four days after the procedure. In the drain tube, bile was persistently observed. An endoscopic retrograde cholangiopancreatography (ERCP) showed a leakage from the small duct into the right intrahepatic duct. We determined that the bile leak was caused by an injury to the ducts of Luschka. An endoscopic sphincterotomy (ES) using a 5-F nasobiliary tube (NBT) was performed, and the leak was resolved in five days...
February 25, 2017: Korean Journal of Gastroenterology, Taehan Sohwagi Hakhoe Chi
https://www.readbyqxmd.com/read/28238563/the-development-and-use-of-vascular-targeted-therapy-in-ovarian-cancer
#8
REVIEW
Dana M Chase, David J Chaplin, Bradley J Monk
Combination vascular-targeted therapies (VTTs) represent a promising approach for patients with platinum-resistant recurrent ovarian cancer (OC). VTTs include two mechanistically distinct classes of agents: anti-angiogenic agents (AAs) and vascular-disrupting agents (VDAs). AAs suppress growth of new tumor vasculature through inhibition of vascular endothelial growth factor (VEGF) and other pro-angiogenic molecules. Bevacizumab, a monoclonal antibody that binds to VEGF, has improved progression-free survival (PFS) when given with chemotherapy in patients with advanced OC...
February 23, 2017: Gynecologic Oncology
https://www.readbyqxmd.com/read/28238237/immediate-early-and-late-failure-after-transcatheter-aortic-valve-implantation-how-to-deal-with-the-inoperable
#9
Sabina P W Guenther, Maximilian A Pichlmaier, Erik Bagaev, Florian Herrmann, René Schramm, Steffen Massberg, Christian Hagl, Nawid Khaladj
BACKGROUND: Currently, the use of transcatheter aortic valve implantation (TAVI) is constantly increasing, whilst cardiosurgical back-up varies substantially. Besides immediate conversion to surgical aortic valve replacement (SAVR) for periprocedural complications, SAVR for TAV failure may be necessary within the early or late post-implant course. The etiology, incidence, risk-stratification, management and outcome for both scenarios are largely unclear. The study aim was to provide details of the authors' experience of SAVR after the failure of TAVI at a single institution...
September 2016: Journal of Heart Valve Disease
https://www.readbyqxmd.com/read/28238216/impact-of-a-restrictive-versus-liberal-transfusion-strategy-on-anastomotic-leakage-and-infectious-complications-after-restorative-surgery-for-rectal-cancer
#10
Volkan Ozben, Luca Stocchi, Jean Ashburn, Xiaobo Liu, Emre Gorgun
AIM: The aim of this study was to investigate the impact of restrictive versus liberal transfusion strategy on anastomotic leakage and infectious complications after rectal cancer surgery. METHODS: Patients undergoing restorative proctectomy for rectal cancer between 01/2008 and 12/2013 were divided into four groups according to the perioperative lowest haemoglobin (Hgb) level and transfusion status: Group 1 with Hgb level ≥10 g/dL, Group 2 ≥7 and <10 g/dL, who did not receive transfusion, and Group 3 with Hgb level ≥7 and <10 g/dL and Group 4 <7 g/dL, both of which received a transfusion...
February 26, 2017: Colorectal Disease: the Official Journal of the Association of Coloproctology of Great Britain and Ireland
https://www.readbyqxmd.com/read/28238164/excessive-serous-retinal-detachment-during-the-use-of-isotretinoin
#11
Mehmet Citirik, Kemal Tekin
PURPOSE: To report a case unilateral excessive subretinal fluid during the use of isotretinoin. METHOD: A case report. A patient who used isotretinoin orally for nodular-cystic acne vulgaris developed concurrent unilaterally excessive subretinal fluid and serous retinal detachment. RESULTS: Fluorescein angiography did not demonstrate the leakage points throughout the subretinal fluid. Spectral-domain optical coherence tomography showed the excessive subretinal fluid and serous retinal detachment at macula...
February 25, 2017: International Ophthalmology
https://www.readbyqxmd.com/read/28237441/toxicological-results-in-a-fatal-and-two-non-fatal-cases-of-scopolamine-facilitated-robberies
#12
K J Lusthof, I J Bosman, B Kubat, M J Vincenten-van Maanen
The use of scopolamine as an incapacitating drug, in sexual crimes and robberies, has been known for many decades. However, blood concentrations and doses of scopolamine in those cases are largely unknown. Here we present the toxicological results of one fatal and two non-fatal cases in a series of scopolamine-facilitated robberies. In the fatal case, the concentration of scopolamine in heart blood was 0.30mg/L, about 3000 times higher than the average therapeutic level of 0.0001mg/L (for one dermal patch)...
February 4, 2017: Forensic Science International
https://www.readbyqxmd.com/read/28237304/stack-and-fugitive-emissions-of-major-air-pollutants-from-typical-brick-kilns-in-china
#13
Yuanchen Chen, Wei Du, Shaojie Zhuo, Weijian Liu, Yuanlong Liu, Guofeng Shen, Shuiping Wu, Jianjun Li, Bianhong Zhou, Gehui Wang, Eddy Y Zeng, Hefa Cheng, Wenxin Liu, Shu Tao
Little information exists on emission factors (EFs, quantities of pollutants emitted per unit of fuel consumed) for brick kilns in China, although brick kilns are important emission sources of many air pollutants, and 45% of the world's bricks are produced in China. In this study, EFs of carbon dioxide (CO2), carbon monoxide (CO), sulfur dioxide (SO2), nitrogen oxides (NOx), particulate matters (PMs), black carbon (BC), organic carbon (OC), and polycyclic aromatic hydrocarbons (PAHs) for brick kilns were derived based on field measurements of a total of 18 brick kilns of major types in China...
February 22, 2017: Environmental Pollution
https://www.readbyqxmd.com/read/28236579/does-ureteral-catheter-insertion-decrease-the-risk-of-urinary-leakage-after-partial-nephrectomy-in-patients-with-renal-cell-carcinoma
#14
Sangjun Yoo, Dalsan You, In Gab Jeong, Cheryn Song, Bumsik Hong, Jun Hyuk Hong, Hanjong Ahn, Choung-Soo Kim
INTRODUCTION: We aimed to evaluate the impact of preoperative ureteral catheter insertion on urinary leakage after partial nephrectomy (PN) in patients with renal cell carcinoma. METHODS: We reviewed the data of 893 patients with renal cell carcinoma who underwent PN and divided them according to ureteral catheter placement. The impact of ureteral catheter placement on postoperative urinary leakage was evaluated by using multivariate analysis. RESULTS: Ureteral catheters were inserted in 397 (44...
February 6, 2017: Clinical Genitourinary Cancer
https://www.readbyqxmd.com/read/28236576/targeted-intraceptor-nanoparticle-for-neovascular-macular-degeneration-preclinical-dose-optimization-and-toxicology-assessment
#15
Xiaohui Zhang, Austin Bohner, Sai Bhuvanagiri, Hironori Uehara, Arun Kumar Upadhyay, Lyska L Emerson, Sailaja Bondalapati, Santosh Kumar Muddana, Daniel Fang, Miaoling Li, Zoya Sandhu, Alya Hussain, Lara S Carroll, Michelle Tiem, Bonnie Archer, Uday Kompella, Rajkumar Patil, Balamurali K Ambati
Neovascular age-related macular degeneration (AMD) is treated with anti-VEGF intravitreal injections, which can cause geographic atrophy, infection, and retinal fibrosis. To minimize these toxicities, we developed a nanoparticle delivery system for recombinant Flt23k intraceptor plasmid (RGD.Flt23k.NP) to suppress VEGF intracellularly within choroidal neovascular (CNV) lesions in a laser-induced CNV mouse model through intravenous administration. In the current study, we examined the efficacy and safety of RGD...
February 21, 2017: Molecular Therapy: the Journal of the American Society of Gene Therapy
https://www.readbyqxmd.com/read/28236350/review-of-xanthomatous-lesions-of-the-sella
#16
B K Kleinschmidt-DeMasters, Kevin O Lillehei, Todd C Hankinson
Xanthomatous lesions of the sellar region have traditionally been divided into two separate categories, xanthomatous hypophysitis (XH) and xanthogranuloma (XG) of the sellar region. The seminal paper on XH, a condition typified by foamy histiocytes and lymphoplasmacytic infiltrates in the pituitary gland/sellar region, but usually little or no hemosiderin pigment, detailed 3 patients. However, most reports since that time have been single cases, making understanding of the entity difficult. In contrast, the seminal report on XG, characterized by sellar region cholesterol clefts, lymphoplasmacytic infiltrates, marked hemosiderin deposits, fibrosis, multinucleated giant cells around cholesterol clefts, eosinophilic granular necrotic debris, and accumulation of macrophages, included 37 patients, allowing more insights into etiology...
February 25, 2017: Brain Pathology
https://www.readbyqxmd.com/read/28236039/validation-of-an-instrument-to-assess-barriers-to-care-seeking-for-accidental-bowel-leakage-in-women-the-bcabl-questionnaire
#17
Heidi Wendell Brown, Meg E Wise, Danielle Westenberg, Nicholas B Schmuhl, Kelly Lewis Brezoczky, Rebecca G Rogers, Melissa L Constantine
INTRODUCTION AND HYPOTHESIS: Fewer than 30% of women with accidental bowel leakage (ABL) seek care, despite the existence of effective, minimally invasive therapies. We developed and validated a condition-specific instrument to assess barriers to care-seeking for ABL in women. METHODS: Adult women with ABL completed an electronic survey about condition severity, patient activation, previous care-seeking, and demographics. The Barriers to Care-seeking for Accidental Bowel Leakage (BCABL) instrument contained 42 potential items completed at baseline and again 2 weeks later...
February 24, 2017: International Urogynecology Journal
https://www.readbyqxmd.com/read/28231167/antibacterial-activity-of-fructus-forsythia-essential-oil-and-the-application-of-eo-loaded-nanoparticles-to-food-borne-pathogens
#18
Na Guo, Qing-Yan Gai, Jiao Jiao, Wei Wang, Yuan-Gang Zu, Yu-Jie Fu
Fructus forsythia essential oil (FEO) with excellent antibacterial activity was rarely reported. The objective of the present study was to investigate the antibacterial activity and the antibacterial mechanism of FEO against two food-borne pathogenic bacteria, Escherichia coli (E. coli) and Staphylococcus aureus (S. aureus) in vitro. When treated FEO, the zones of inhibition (ZOI) of E. coli (20.5 ± 0.25 mm) and S. aureus (24.3 ± 0.21 mm) were much larger than control (p < 0.05). The minimum inhibitory concentrations (MICs) of FEO were 3...
October 29, 2016: Foods (Basel, Switzerland)
https://www.readbyqxmd.com/read/28230861/ripk3-interactions-with-mlkl-and-camkii-mediate-oligodendrocytes-death-in-the-developing-brain
#19
Yi Qu, Jun Tang, Huiqing Wang, Shiping Li, Fengyan Zhao, Li Zhang, Q Richard Lu, Dezhi Mu
Oligodendrocyte progenitor cells (OPCs) death is a key contributor to cerebral white matter injury (WMI) in the developing brain. A previous study by our group indicated that receptor-interacting proteins (RIPs) are crucial in mediating necroptosis in developing neurons. However, whether this mechanism is involved in OPCs death is unclear. We aimed to explore the mechanisms of RIP-mediated oligodendrocytes (OLs) death in the developing brain. Oligodendrocytes necroptosis was induced by oxygen-glucose deprivation plus caspase inhibitor zVAD treatment (OGD/zVAD) in vitro...
February 23, 2017: Cell Death & Disease
https://www.readbyqxmd.com/read/28230605/microscopic-transnasal-transsphenoidal-surgery-for-pediatric-pituitary-adenomas
#20
Wei Jiao, Yimin Huang, Wei Sun, Ting Lei
Microscopic transnasal transsphenoidal surgery (MTTS) has been a time-confirmed effective treatment for pituitary adenomas; however, the data supporting its use in pediatric patients is limited. In this study, the authors summarize the authors' 5-year experience of pituitary adenomectomy via MTTS in a pediatric population. The authors retrospectively reviewed the medical records of 35 patients aged ≤18 years who underwent microscopic transnasal transsphenoidal approach for pituitary adenomas between January 2011 and December 2015...
February 22, 2017: Journal of Craniofacial Surgery
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