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Glenn Yiu, Eric Tieu, Anthony T Nguyen, Brittany Wong, Zeljka Smit-McBride
Purpose: To employ type II clustered regularly interspaced short palindromic repeats (CRISPR)-Cas9 endonuclease to suppress ocular angiogenesis by genomic disruption of VEGF-A in human RPE cells. Methods: CRISPR sequences targeting exon 1 of human VEGF-A were computationally identified based on predicted Cas9 on- and off-target probabilities. Single guide RNA (gRNA) cassettes with these target sequences were cloned into lentiviral vectors encoding the Streptococcuspyogenes Cas9 endonuclease (SpCas9) gene...
October 1, 2016: Investigative Ophthalmology & Visual Science
Maria Elisabeth Moreira, Ana Paula Esteves Pereira, Saint Clair Gomes Junior, Ruth Guinsburg, Maria Fernanda Branco de Almeida, Silvana Granado Gama, Maria do Carmo Leal
BACKGROUND: Approximately 5-10 % of newborns require some form of resuscitationupon delivery; several factors, such as maternal abnormal conditions, gestational age and type of delivery could be responsible for this trend. This study aimed to describe the factors associated with the need for positive pressure ventilation (PPV) via a mask or endotracheal tube and the use of supplemental O2 in newborns with a gestational age greater than 34 weeks in Brazil. METHODS: We performed a cross-sectional study and obtained data from the Birth in Brazil Survey...
October 17, 2016: Reproductive Health
Beomsu Shin, Kang Kim, Byeong-Ho Jeong, Jung Seop Eom, Won Jun Song, Hyung Koo Kang, Hojoong Kim
BACKGROUND AND OBJECTIVE: Post-intubation tracheal stenosis (PITS) and post-tracheostomy tracheal stenosis (PTTS) are serious complications in mechanically ventilated patients. Although the aetiologies and mechanisms of PITS and PTTS are quite different, little is known about the clinical impact of differentiating one from the other. METHODS: We retrospectively conducted a chart review of 117 patients with PITS and 88 patients with PTTS who were treated with interventional bronchoscopy at Samsung Medical Center between January 2004 and December 2013...
October 21, 2016: Respirology: Official Journal of the Asian Pacific Society of Respirology
Y Sun, Y X Wang, J Zhang, X W Yu, S S Ge, H Wang, J Dong, X H Guo, W Wang
Objective: To analyze and compare the gender specific structure profiles of immunoglobulin G(IgG) N-glycans and provide evidence to understand the distribution of the structure of IgG N-glycans in general population. Methods: A cluster sampling was conducted to randomly select 669 participants from Beijing Xuanwu Hospital during January-June 2012. Venous blood sample (5 ml) was collected from each participant with vacuum negative pressure tube containing EDTA. Plasma IgG N-glycome was determined using ultra-performance liquid chromatography (UPLC) on Waters BEH Glycan chromatography column and mass spectrometry after the separation, purification and labeling...
October 10, 2016: Zhonghua Liu Xing Bing Xue za Zhi, Zhonghua Liuxingbingxue Zazhi
Y H Liu, L Chen, Y P Wu, W Cao
Objective: To observe the effects of early applying of microporous polysaccharide on foreign body reaction induced by subcutaneously imbedding expanded polytetrafluoroethylene (e-PTFE) in mice. Methods: Ten wide type adult C57BL/6J mice were collected and made a full-thickness skin incision on both sides of their back. The two incisions on the back of each mouse were divided into two groups according the random number table, with 10 incisions in each group. A tube-shaped e-PTFE was imbedded into each incision in microporous polysaccharide group, and then 0...
October 20, 2016: Zhonghua Shao Shang za Zhi, Zhonghua Shaoshang Zazhi, Chinese Journal of Burns
R Nirupa, Satinder Gombar, Vanita Ahuja, Preeti Sharma
BACKGROUND AND AIMS: i-gel™ is a newer supraglottic airway device with a unique non-inflatable cuff. We aimed to compare i-gel™ with ProSeal™ laryngeal mask airway (PLMA™) in children scheduled for surgery under general anaesthesia (GA) with controlled ventilation. METHODS: This prospective, randomised controlled study was conducted in 100 surgical patients, aged 2-6 years of American Society of Anesthesiologists Physical Status I-II scheduled under GA. Patients were randomly allocated to receive either size 2 i-gel™ or PLMA™ as an airway device...
October 2016: Indian Journal of Anaesthesia
Marissa B Guzzo, Hoa T Nguyen, Thanh H Pham, Monika Wyszczelska-Rokiel, Hieronim Jakubowski, Kerstin A Wolff, Sam Ogwang, Joseph L Timpona, Soumya Gogula, Michael R Jacobs, Markus Ruetz, Bernhard Kräutler, Donald W Jacobsen, Guo-Fang Zhang, Liem Nguyen
The methylfolate trap, a metabolic blockage associated with anemia, neural tube defects, Alzheimer's dementia, cardiovascular diseases, and cancer, was discovered in the 1960s, linking the metabolism of folate, vitamin B12, methionine and homocysteine. However, the existence or physiological significance of this phenomenon has been unknown in bacteria, which synthesize folate de novo. Here we identify the methylfolate trap as a novel determinant of the bacterial intrinsic death by sulfonamides, antibiotics that block de novo folate synthesis...
October 2016: PLoS Pathogens
Carmel T Collins, Jennifer Gillis, Andrew J McPhee, Hiroki Suganuma, Maria Makrides
BACKGROUND: Preterm infants start milk feeds by gavage tube. As they mature, sucking feeds are gradually introduced. Women who choose to breast feed their preterm infant are not always able to be in hospital with their baby and need an alternative approach to feeding. Most commonly, milk (expressed breast milk or formula) is given by bottle. Whether using bottles during establishment of breast feeds is detrimental to breast feeding success is a topic of ongoing debate. OBJECTIVES: To identify the effects of avoidance of bottle feeds during establishment of breast feeding on the likelihood of successful breast feeding, and to assess the safety of alternatives to bottle feeds...
October 19, 2016: Cochrane Database of Systematic Reviews
G S M Paula, L L Souza, N O S Bressane, R Maravalhas, M Wilieman, T Bento-Bernardes, K R Silva, L S Mendonca, K J Oliveira, C C Pazos-Moura
Neuromedin B (NB) and gastrin-releasing peptide (GRP) are bombesin-like peptides, found in the gastrointestinal tube and pancreas, among other tissues. Consistent data proposed that GRP stimulates insulin secretion, acting directly in pancreatic cells or in the release of gastrointestinal hormones that are incretins. However, the role of NB remains unclear. We examined the glucose homeostasis in mice with deletion of NB receptor (NBR-KO). Female NBR-KO exhibited similar fasting basal glucose with lower insulinemia (48...
October 18, 2016: Hormone and Metabolic Research, Hormon- und Stoffwechselforschung, Hormones et Métabolisme
Vinciya Pandian, Christoph T Hutchinson, Adam J Schiavi, David J Feller-Kopman, Elliott R Haut, Nicole A Parsons, Jessica S Lin, Chad Gorbatkin, Priya G Angamuthu, Christina R Miller, Marek A Mirski, Nasir I Bhatti, Lonny B Yarmus
PURPOSE: Few guidelines exist regarding the selection of a particular type or size of tracheostomy tube. Although nonstandard tubes can be placed over the percutaneous kit dilator, clinicians often place standard tracheostomy tubes and change to nonstandard tubes only after problems arise. This practice risks early tracheostomy tube change, possible bleeding, or loss of the airway. We sought to identify predictors of nonstandard tracheostomy tubes. MATERIALS AND METHODS: In this matched case-control study at an urban, academic, tertiary care medical center, we reviewed 1220 records of patients who received a tracheostomy...
June 4, 2016: Journal of Critical Care
Roger Christopher Gill, K M Inam Pal, Fatima Mannan, Amber Bawa, Saulat H Fatimi
INTRODUCTION: Penetrating oesophageal injuries are extremely rare. Their timely recognition can be difficult and optimal treatment remains controversial. Early recognition of injury is possible with the help of a high index of suspicion and early radiological and endoscopic examinations. Prompt surgical intervention with primary repair of injury, should be the goal. PRESENTATION OF CASES: We describe two cases of penetrating oesophageal trauma where T-Tube placement through the oesophageal defect, was successfully employed...
January 4, 2016: International Journal of Surgery Case Reports
T Li, L Cui, G Wang, X F Ling, C S Hou, L X Wang, Z Xu
To investigate the effect and feasibility of total laparoscopy to treat hepatolithiasis using gallbladder-hepatic duct subcutaneous tunnel. Retrospective analysis was conducted of the case data of 11 patients with hepatolithiasis who underwent total laparoscopic treatment using gallbladder-hepatic duct subcutaneous tunnel from January 2010 to October 2014. The operation time, blood loss, postoperative complications and recurrence of stones were recorded.All the cases completed the operation.The average hospital-stay was 9...
October 18, 2016: Beijing da Xue Xue Bao. Yi Xue Ban, Journal of Peking University. Health Sciences
Kristian J Tangso, Paulo Henrique C D da Cunha, Patrick T Spicer, Jian Li, Ben J Boyd
Infections arising in hospitalized patients, particularly those who have undergone surgery and are reliant on receiving treatment through biomedical devices, continue to be a rising concern. It is well known that aqueous mixtures of oppositely charged surfactant and polymer molecules can self-assemble to form liquid crystalline structures primarily via electrostatically-driven interactions which have demonstrated great potential as tailored release nanomaterials. Colistin is a re-emerging antibiotic used against multidrug-resistant Gram negative bacteria...
October 17, 2016: ACS Applied Materials & Interfaces
Yung-Han Shih, Kuen-Yun Wang, Brenda T Singco, Chia-Her Lin, Hsi-Ya Huang
In this study, we first demonstrated the effect of two types of metal-organic framework-polymer (MOF-polymer) monoliths on in-tube solid-phase microextraction (IT-SPME) of sulfonamides. Sulfonamides were successfully adsorbed onto MIL-101(Cr)-polymer but were difficult to elute due to these sulfonamides could interact via Lewis acid-base interaction with the presence of Cr(III) coordinatively unsaturated metal sites (CUS). Moreover, the cage-type topology of MIL-101(Cr) that could produce multiple pathways thus complicates the desorption of the test analytes from the sorbent...
October 17, 2016: Langmuir: the ACS Journal of Surfaces and Colloids
E Carmel, J H Curotta, A T Cheng
OBJECTIVE: To evaluate the effect of pre- and post-admission antibiotic treatment in paediatric acute mastoiditis. DESIGN: Retrospective study. METHOD: Eighty-eight children with acute mastoiditis, from 2003 to 2012, were studied to investigate the effect of antibiotic therapy on short and long-term sequelae. RESULTS: The median period of antibiotic therapy immediately following hospital discharge was 10 days (range, 5-49 days; standard deviation = 7...
October 17, 2016: Journal of Laryngology and Otology
P Rani, V R Hemanth Kumar, M Ravishankar, T Sivashanmugam, R Sripriya, M Trilogasundary
BACKGROUND: Fentanyl and dexmedetomidine have been tried to attenuate airway and circulatory reflexes during emergence and extubation individually but have not been compared with respect to the level of sedation to evolve a reliable technique for rapid and smooth extubation. AIM: To compare the effects of fentanyl and dexmedetomidine in attenuating airway and circulatory reflexes during emergence and extubation of the endotracheal tube. SETTING AND DESIGN: This double-blind, randomized, controlled study was done in patients undergoing surgery under general anesthesia belonging to the American Society of Anesthesiologists physical status 1 or 2...
September 2016: Anesthesia, Essays and Researches
Shruti Jain, Nazia Nazir, Rashid M Khan, Syed M Ahmed
INTRODUCTION: Extubation in deep plane of anesthesia followed by Guedel's oropharyngeal airway (OPA™) insertion is a routine method to avoid hemodynamic changes associated with tracheal extubation. Exchange of endotracheal tube (ETT) with Classic laryngeal mask airway (LMA™) prior to emergence from anesthesia also serves similar purpose. We had compared the hemodynamic changes involved during this ETT/LMA™ and ETT/OPA™ exchange technique. MATERIAL AND METHODS: This was a randomized prospective study on ASA I and 2 patients undergoing elective surgery under general anesthesia...
September 2016: Anesthesia, Essays and Researches
Gerhard M Hobusch, Philipp T Funovics, Cynthia Hourscht, Stephan E Domayer, Stephan E Puchner, Martin Dominkus, Reinhard Windhager
No abstract text is available yet for this article.
October 10, 2016: Knee
Jin Xiao, Yonghwi Moon, Lihua Li, Elena Rustchenko, Hironao Wakabayashi, Xiaoyi Zhao, Changyong Feng, Steven R Gill, Sean McLaren, Hans Malmstrom, Yanfang Ren, Robert Quivey, Hyun Koo, Dorota T Kopycka-Kedzierawski
INTRODUCTION: Candida albicans has been detected together with Streptococcus mutans in high numbers in plaque-biofilm from children with early childhood caries (ECC). The goal of this study was to examine the C. albicans carriage in children with severe early childhood caries (S-ECC) and the maternal relatedness. METHODS: Subjects in this pilot cross-sectional study were recruited based on a convenient sample. DMFT(S)/dmft(s) caries and plaque scores were assessed during a comprehensive oral exam...
2016: PloS One
Philip T Zhao, David M Hoenig, Arthur Smith, Zeph Okeke
OBJECTIVE: We compared postoperative outcomes and quality of life (QoL) between patients who received a nephrostomy versus a ureteral stent following PCNL in a prospective double-blind randomized fashion. METHOD: Between September 2015 and March 2016, we randomized 30 patients undergoing PCNL to receive nephrostomy drainage (Group 1) or Double-J ureteral stent (Group 2) at conclusion of surgery. Nephrostomy tubes were removed within 48 hours and ureteral stents were removed at least 2 weeks after surgery...
October 12, 2016: Journal of Endourology
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