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https://www.readbyqxmd.com/read/28110225/the-suppression-of-droplet-droplet-coalescence-in-a-sheared-yield-stress-fluid
#1
Sachin Goel, Arun Ramachandran
Efforts to stabilize emulsions against coalescence in flow have often focused on modifying properties of the interface between the continuous and dispersed phases, to create a repulsive barrier against coalescence. But prior to experiencing any interaction force, the liquid film between two colliding drops has to drain, and if this drainage process is arrested, coalescence will be suppressed. In this work, scaling analyses and thin-film lubrication simulations are used to study the hydrodynamic drainage properties of thin films of a Bingham fluid (a yield stress fluid, which flows only when a critical stress is exceeded) created between two drops colliding under the action of a constant force...
December 26, 2016: Journal of Colloid and Interface Science
https://www.readbyqxmd.com/read/28109897/simulation-and-evaluation-of-rupturable-coated-capsules-by-finite-element-method
#2
Yan Yang, Jie Fang, Lian Shen, Weiguang Shan
The objective of this study was to simulate and evaluate the burst behavior of rupturable coated capsules by finite element method (FEM). Film and coated capsules were prepared by dip-coating method and their dimensions were determined by stereomicroscope. Mechanical properties of the film were measured by tensile test and used as material properties of FEM models. Swelling pressure was determined by restrained expansion method and applied to the internal surface of FEM models. Water uptake of coated capsules was determined to study the formation of internal pressure...
January 18, 2017: International Journal of Pharmaceutics
https://www.readbyqxmd.com/read/28109894/pregnancy-outcomes-following-direct-uterine-fibroid-thermal-ablation-a-review-of-the-literature
#3
REVIEW
Julia Keltz, Mark Levie, Scott Chudnoff
The objective of this review is to describe the reproductive outcomes of women after radiofrequency volumetric thermal ablation (RFVTA) of fibroids or magnetic resonance-guided high-intensity focused ultrasound (MRgHIFU). This is a literature review of the current case reports of reproductive outcomes following direct fibroid thermal ablation at multiple academic and private centers throughout the world. A literature search was performed using PubMed and Medline. All publications that included data of women who underwent radiofrequency fibroid ablation or magnetic resonance-guided high-intensity focused ultrasound of fibroids and subsequently conceived were included...
January 18, 2017: Journal of Minimally Invasive Gynecology
https://www.readbyqxmd.com/read/28109576/beta-blockers-reduced-the-risk-of-cardiac-rupture-in-patients-with-acute-myocardial-infarction-a-meta-analysis-of-randomized-control-trials
#4
Wei Gong, Siting Feng, Xiao Wang, Jingyao Fan, Aobo Li, Shao-Ping Nie
BACKGROUND: Cardiac rupture (CR) is a catastrophic complication that occurs after acute myocardial infarction (MI) and, at present, there are no effective pharmacological strategies for preventing this condition. The objective of this meta-analysis was to assess the effect of beta-blockers on CR in patients with acute MI. METHODS: An extensive search of the PUBMED, EMBASE, ISI Web of Science, MEDLINE and Cochrane was performed to retrieve the studies of beta-blockers treatment in patients with acute MI...
January 6, 2017: International Journal of Cardiology
https://www.readbyqxmd.com/read/28109395/hybrid-repair-of-ruptured-arch-aneurysm-without-sternotomy-through-an-unusual-extraanatomic-bypass
#5
Chung-Lin Tsai, Chih-Chun Yang, Takuya Fujikawa, Shih-Rong Hsieh
A 42-year-old man experienced a complex aortic arch aneurysm rupture. He had previously undergone an operation for type A dissection and had extremely poor cardiac performance as well as deep sternal infection after the first procedure. The conventional open repair was considered to be a high risk for this patient. We therefore performed an alternative hybrid aortic procedure. The supraarch vessels were perfused through an extraanatomic bypass from an unusual and remote route, namely, the abdominal aorta. Then, stent grafts were implanted in the previously replaced aortic prostheses to exclude the aortic aneurysm...
February 2017: Annals of Thoracic Surgery
https://www.readbyqxmd.com/read/28109381/endovascular-technique-for-repair-of-descending-thoracic-aortic-aneurysm-after-coarctation-operation
#6
Heike Baumgarten, John J Squiers, William T Brinkman, Javier Vasquez
The incidence of aneurysm after open surgical repair of coarctation is 11% to 24%. If the condition is left untreated, fatal rupture may occur. Thoracic endovascular aortic repair (TEVAR) has been reported as a feasible and safe alternative to open surgical repeated procedures in this context. However, TEVAR might be challenging because of the proximity of the pathologic condition to the supraaortic vessels and the ongoing presence of the coarctation. We report a unique case of a 48-year old man undergoing TEVAR because of aortic aneurysm after previous surgical coarctation treatment and successful closure of the coarctation with a vascular plug device...
February 2017: Annals of Thoracic Surgery
https://www.readbyqxmd.com/read/28109380/autotransplantation-for-threatened-cardiac-rupture-after-left-ventricular-repair
#7
Hiroaki Hata, Motomi Shiono, Mitsuru Iida, Akira Sezai, Shunji Osaka, Masashi Tanaka
A 26-year-old Japanese woman experienced threatened cardiac rupture after mitral valve replacement and debridement of a left ventricular (LV) posterior wall abscess caused by infectious endocarditis. We performed cardiac autotransplantation using the bicaval technique to allow bench repair of the recurrent abscess. A balloon catheter was inflated in the inferior vena cava to obtain a bloodless anastomotic field. This is the first report of autotransplantation for threatened LV rupture after posterior wall repair...
February 2017: Annals of Thoracic Surgery
https://www.readbyqxmd.com/read/28109378/surgical-repair-of-huge-left-ventricular-pseudoaneurysm-after-sutureless-repair-of-free-wall-rupture
#8
Pablo Díez-Villanueva, Anas Sarraj, Gonzalo Navarrete, Jorge Salamanca, Eduardo Pozo, Guillermo Reyes, Fernando Alfonso
Left ventricular pseudoaneurysm (LVPsA) is a rare complication after sutureless patch repair of left ventricular free wall rupture (LVFWR), with few cases reported in the literature so far. We present the case of a young patient who early developed a huge LVPsA and moderate mitral regurgitation after sutureless patch repair for LVFWR after undergoing a successful Dor procedure using the "triple empanada patch technique" to exclude the LVPsA, remodel the left ventricle, and address the moderate mitral regurgitation...
February 2017: Annals of Thoracic Surgery
https://www.readbyqxmd.com/read/28108855/causes-of-poor-outcome-in-patients-admitted-with-good-grade-subarachnoid-haemorrhage
#9
Vladimír Beneš, Lubomír Jurák, Radim Brabec, Nina Nechanická, Miroslav Šercl, Ladislav Endrych, Pavel Buchvald, Petr Suchomel
BACKGROUND: Surgical risk in patients with unruptured aneurysms is well known. The relative impact of surgery and natural history of subarachnoid haemorrhage (SAH) on patients in good clinical condition (World Federation of Neurological Surgeons [WFNS] grades 1 and 2) is less well quantified. The aim of this study was to determine causes of poor outcome in patients admitted in good grade SAH. METHODS: A retrospective study of prospectively collected data among WFNS-1 and -2 patients: demographics, SAH and aneurysm-related data, surgical complications and outcome as assesed by the Glasgow Outcome Scale (GOS)...
January 20, 2017: Acta Neurochirurgica
https://www.readbyqxmd.com/read/28108735/fertility-sparing-uterine-lesion-resection-for-young-women-with-gestational-trophoblastic-neoplasias-single-institution-experience
#10
Xiaoyu Wang, Junjun Yang, Jie Li, Jun Zhao, Tong Ren, Fengzhi Feng, Xirun Wan, Yang Xiang
PURPOSE: To evaluate the oncological safety and pregnant outcomes of fertility-sparing uterine lesion resection in treating gestational trophoblastic neoplasias. RESULTS: After the treatment of surgery and chemotherapy, all the patients achieved complete remission. With a median follow-up time of 44 months (range, 6-188), 3 patients (3.85%) relapsed within 3-26 months. Multivariate analysis showed that tumor size was the independent risk factor of recurrence and the cutoff value was 4...
January 18, 2017: Oncotarget
https://www.readbyqxmd.com/read/28108425/increased-age-associated-with-reduced-likelihood-of-recurrence-after-coiling-of-ruptured-aneurysms
#11
Lorenzo Rinaldo, Giuseppe Lanzino
OBJECTIVE: The effect of patient age on the likelihood of recurrence of ruptured aneurysms after endovascular coil embolization is not well understood. Our aim was to compare the incidence of aneurysmal recurrence after coiling between young and old patients. METHODS: We performed a retrospective cohort study on patients presenting to our institution with a ruptured intracranial aneurysm treated with endovascular coiling. Aneurysm recurrence was defined as a Modified Raymond Roy Classification (MRRC) grade of 3A or 3B on follow-up angiography performed on first follow-up angiography...
January 17, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28108273/vertebral-artery-ruptures-manifesting-as-hoarseness
#12
Chih-Jen Yang, Sheng-Yao Cheng, Cheng-Chung Cheng, Chi-Tun Tang, Shih-Hung Tsai
No abstract text is available yet for this article.
December 13, 2016: Brazilian Journal of Otorhinolaryngology
https://www.readbyqxmd.com/read/28108216/the-phenomenon-of-atherosclerosis-reversal-and-regression-lessons-from-animal-models
#13
REVIEW
Dimitry A Chistiakov, Veronika A Myasoedova, Victor V Revin, Alexander N Orekhov, Yuri V Bobryshev
Studies in non-rodent and murine models showed that atherosclerosis can be reversed. Atherosclerosis progression induced by high-fat or cholesterol-rich diet can be reduced and reversed to plaque regression after switching to a normal diet or through administration of lipid-lowering agents. The similar process should exist in humans after implementation of lipid-lowering therapy and as a result of targeting of small rupture-prone plaques that are major contributors for acute atherosclerotic complications. Lowering of low density lipoprotein (LDL) cholesterol and the activation of reverse cholesterol transport lead to a decline in foam cell content, to the depletion of plaque lipid reservoirs, a decrease in lesional macrophage numbers through the activation of macrophage emigration and, probably, apoptosis, dampening plaque inflammation, and the induction of anti-inflammatory macrophages involved in clearance of the necrotic core and plaque healing...
January 17, 2017: Experimental and Molecular Pathology
https://www.readbyqxmd.com/read/28108171/patellar-cut-and-composite-thickness-the-influence-on-postoperative-motion-and-complications-in-total-knee-arthroplasty
#14
William G Hamilton, Deborah J Ammeen, Nancy L Parks, Nitin Goyal, Gerard A Engh, C Anderson Engh
BACKGROUND: Little data exist on the influence of patellar thickness on postoperative motion or complications after total knee arthroplasty (TKA). This study addresses the following questions: Is postoperative motion influenced by change in composite patellar thickness? Is change in patellar thickness associated with more complications? And do more complications occur in the knees with a patellar bone remnant (<12 mm) and a native patellar thickness <18 mm? METHODS: In total, 3655 TKAs were performed by 3 surgeons over a 28-year interval...
December 27, 2016: Journal of Arthroplasty
https://www.readbyqxmd.com/read/28107492/correction-systemic-and-local-inflammatory-response-in-women-with-preterm-prelabor-rupture-of-membranes
#15
Teresa Cobo, Bo Jacobsson, Marian Kacerovsky, David M Hougaard, Kristin Skogstrand, Eduard Gratacós, Montse Palacio
[This corrects the article DOI: 10.1371/journal.pone.0085277.].
2017: PloS One
https://www.readbyqxmd.com/read/28107485/better-visual-outcome-by-intraocular-lens-ejection-in-geriatric-patients-with-ruptured-ocular-injuries
#16
Hiroki Kaneko, Tetsu Asami, Tadasu Sugita, Taichi Tsunekawa, Toshiyuki Matsuura, Kei Takayama, Kentaro Yamamoto, Shu Kachi, Yasuki Ito, Shinji Ueno, Norie Nonobe, Keiko Kataoka, Ayana Suzumura, Takeshi Iwase, Hiroko Terasaki
Ocular trauma is one of the leading causes of visual impairment worldwide. Because of the popularity of cataract surgeries, aged individuals with ocular trauma commonly have a surgical wound in their eyes. The purpose of this study was to evaluate the visual outcome of cases that were coincident with intraocular lens (IOL) ejection in the eyes with ruptured open-globe ocular injuries. Consecutive patients with open-globe ocular injuries were first reviewed. Patients' characteristics, corrected distance visual acuities (CDVAs) over 3 years after the trauma, causes of injuries, traumatic wound patterns, and coexistence of retinal detachment were examined...
2017: PloS One
https://www.readbyqxmd.com/read/28107284/postsurgical-perforation-of-the-esophagus-can-be-treated-using-a-fully-covered-stent-in-children
#17
Chantal Chauvet, Arnaud Bonnard, Alexis Mosca, Marc Bellaïche, Pascale Philippe-Chomette, Jérôme Viala
OBJECTIVES: Surgery and conservative treatment of esophageal or gastric perforations are both often associated with poor results and carry a high morbidity and mortality rate. The aim of the present study was to evaluate the effectiveness and safety of using fully covered self-expending metallic stents (SEMS) in children with upper digestive leaks. METHODS: This retrospective study reviewed all children with esophageal or gastric perforation who were treated with placement of an SEMS from January 2011 to January 2015...
February 2017: Journal of Pediatric Gastroenterology and Nutrition
https://www.readbyqxmd.com/read/28107121/a-case-based-approach-to-evaluate-the-potential-risks-associated-with-fluoroquinolones-and-steroids
#18
Timothy Nguyen, Karin Gelband
Fluoroquinolones (FQs) are a frequently prescribed class of antibacterial agents. FQs are widely used but may carry serious side effects particularly pronounced in older adults, and the Food and Drug Administration recently suggested FQs should not be routinely used in certain conditions if alternative options are available. Research has demonstrated that the risk of tendinitis and tendon rupture associated with FQs is one of the highest in older adults who are concurrently treated with steroids. Health care providers and pharmacists involved in the treatment of older adults should be aware of this potential drug interaction, which may lead to serious side effects and safety concerns...
November 1, 2016: Consultant Pharmacist: the Journal of the American Society of Consultant Pharmacists
https://www.readbyqxmd.com/read/28106499/retrospective-study-of-long-term-outcome-after-brain-arteriovenous-malformation-rupture-the-rap-score
#19
Eimad Shotar, Matthieu Debarre, Nader-Antoine Sourour, Federico Di Maria, Joseph Gabrieli, Aurélien Nouet, Jacques Chiras, Vincent Degos, Frédéric Clarençon
OBJECTIVE The authors aimed to design a score for stratifying patients with brain arteriovenous malformation (BAVM) rupture, based on the likelihood of a poor long-term neurological outcome. METHODS The records of consecutive patients with BAVM hemorrhagic events who had been admitted over a period of 11 years were retrospectively reviewed. Independent predictors of a poor long-term outcome (modified Rankin Scale score ≥ 3) beyond 1 year after admission were identified. A risk stratification scale was developed and compared with the intracranial hemorrhage (ICH) score to predict poor outcome and inpatient mortality...
January 20, 2017: Journal of Neurosurgery
https://www.readbyqxmd.com/read/28106498/performing-concurrent-operations-in-academic-vascular-neurosurgery-does-not-affect-patient-outcomes
#20
Corinna C Zygourakis, Janelle Lee, Julio Barba, Errol Lobo, Michael T Lawton
OBJECTIVE Concurrent surgeries, also known as "running two rooms" or simultaneous/overlapping operations, have recently come under intense scrutiny. The goal of this study was to evaluate the operative time and outcomes of concurrent versus nonconcurrent vascular neurosurgical procedures. METHODS The authors retrospectively reviewed 1219 procedures performed by 1 vascular neurosurgeon from 2012 to 2015 at the University of California, San Francisco. Data were collected on patient age, sex, severity of illness, risk of mortality, American Society of Anesthesiologists (ASA) status, procedure type, admission type, insurance, transfer source, procedure time, presence of resident or fellow in operating room (OR), number of co-surgeons, estimated blood loss (EBL), concurrent vs nonconcurrent case, severe sepsis, acute respiratory failure, postoperative stroke causing neurological deficit, unplanned return to OR, 30-day mortality, and 30-day unplanned readmission...
January 20, 2017: Journal of Neurosurgery
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