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https://www.readbyqxmd.com/read/28820185/can-lester-jones-tubes-be-tolerated-for-decades
#1
R L Scawn, D H Verity, G E Rose
PurposeLester Jones described canalicular bypass tubes 50 years ago. We present a cohort of patients with Jones' tubes first placed between 1969 and 1989, and who were reviewed within the last 15 years.Patients and methodsRetrospective case-note review for living patients identified as having had Jones' tube placement prior to 1990. The duration of Jones' tube usage was noted and the number of replacements recorded.ResultsTwenty-nine patients (33 eyes) had maintenance of their Jones' tube(s) within the last 15 years, and had first tube placement before 1990...
August 18, 2017: Eye
https://www.readbyqxmd.com/read/28817486/overcoming-clopidogrel-resistance-three-promising-novel-antiplatelet-drugs-developed-in-china
#2
Hong-Guang Xie, Yu-Meng Jia, Ting Tai, Jin-Zi Ji
Clopidogrel is one of the most frequently prescribed drugs worldwide; however, the presence of clopidogrel resistance and high susceptibility to genetic variations and drug interactions are facilitating the development of other antiplatelet drugs. To overcome clopidogrel resistance, several promising clopidogrel analogues have been developed in China, such as vicagrel (and its deuterated analogues), PLD-301, and W1. These novel chemical analogues are all characterized by much faster and more efficient bioconversion to clopidogrel thiolactone (or 2-oxo-clopidogrel, the precursor of clopidogrel active metabolite) in the intestine than clopidogrel through bypassing the first-step P450-mediated oxidation of clopidogrel in the liver...
August 4, 2017: Journal of Cardiovascular Pharmacology
https://www.readbyqxmd.com/read/28812155/type-2-diabetes-mellitus-outcomes-after-laparoscopic-gastric-bypass-in-patients-with-bmi-35%C3%A2-kg-m-2-using-strict-remission-criteria-early-outcomes-of-a-prospective-study-among-mexicans
#3
Omar Espinosa, Omar Pineda, Hernan G Maydón, Elisa M Sepúlveda, Lizbeth Guilbert, Mónica Amado, Carlos Zerrweck
BACKGROUND: Mild obesity (BMI 30-34.9 kg/m(2)) is highly prevalent worldwide and is associated with type 2 diabetes mellitus. The efficacy of bariatric surgery remains unclear, including among Mexicans. The criteria for diabetes remission are inconsistent, as they are based on different thresholds for glycated hemoglobin, with remission rates ranging from 43 to 73%. METHODS: Mildly obese patients with type 2 diabetes mellitus who underwent laparoscopic gastric bypass were prospectively analyzed...
August 15, 2017: Surgical Endoscopy
https://www.readbyqxmd.com/read/28811263/the-role-of-escrt-during-development-and-functioning-of-the-nervous-system
#4
REVIEW
Rémy Sadoul, Marine H Laporte, Romain Chassefeyre, Yves Goldberg, Christine Chatellard, Fiona J Hemming, Sandrine Fraboulet
The endosomal sorting complex required for transport (ESCRT) is made of subcomplexes (ESCRT I-III), crucial to membrane remodelling at endosomes, nuclear envelope and cell surface. ESCRT-III shapes membranes and in most cases cooperates with the ATPase VPS4 to mediate fission of membrane necks from the inside. The first ESCRT complexes mainly serve to catalyse the formation of ESCRT-III but can be bypassed by accessory proteins like the Alg-2 interacting protein-X (ALIX). In the nervous system, ALIX/ESCRT controls the survival of embryonic neural progenitors and later on the outgrowth and pruning of axons and dendrites, all necessary steps to establish a functional brain...
August 12, 2017: Seminars in Cell & Developmental Biology
https://www.readbyqxmd.com/read/28807928/role-of-translesion-synthesis-dna-polymerases-in-dna-replication-in-the-presence-of-a-weak-dna-polymerase-%C3%AE-in-saccharomyces-cerevisiae
#5
Likui Zhang, Yanchao Huang, Xinyuan Zhu, Yuxiao Wang, Haoqiang Shi, Min Chen, Kunming Dong, Xiaojian Zhou
Translesion synthesis (TLS) DNA polymerases (pols) are often mutagenic for lesion bypass due to their low fidelity. Here, we isolated a weak yeast DNA pol δ mutant that possessed amino acid substitution V592G by genetic selection. The pol3-V592G cells were sensitive to hydroxyurea (HU), which increases the requirement for dNTPs, and their HU sensitivity was suppressed by L612M substitution. We also demonstrated that V592G substitution suppressed the phosphonoacetic acid (PAA) sensitivity of pol3-L612M cells, suggesting a cycle of mutual suppression in the HU- and PAA-sensitive yeast DNA pol δ mutants as similarly observed in the optA1- and PAA-sensitive T4 DNA pol mutants...
August 14, 2017: G3: Genes—Genomes—Genetics
https://www.readbyqxmd.com/read/28807382/association-between-statin-therapy-and-amputation-free-survival-in-patients-with-critical-limb-ischemia-in-the-critisch-registry
#6
Konstantinos Stavroulakis, Matthias Borowski, Giovanni Torsello, Theodosios Bisdas
OBJECTIVE: Secondary prevention in patients with critical limb ischemia (CLI) is crucial for the reduction of cardiovascular morbidity and mortality. Nonetheless, current recommendations are extrapolated from other high-risk populations because of the lack of CLI-dedicated trials. The aim of this explorative study was to evaluate the association of statin therapy with the outcomes of CLI patients. METHODS: The First-Line Treatments in Patients With Critical Limb Ischemia (CRITISCH) registry is a prospective multicenter registry analyzing the effectiveness of all available treatment strategies in 1200 CLI patients...
August 11, 2017: Journal of Vascular Surgery
https://www.readbyqxmd.com/read/28804237/aneurysmal-degeneration-of-the-brachial-artery-after-vascular-access-creation-surgical-treatment-results
#7
Sérgio Teixeira, Pedro Sá Pinto, Carlos Veiga, Ivone Silva, Rui Almeida
True peripheral artery aneurysms proximal to a longstanding arteriovenous fistula is a well-recognized complication. Late aneurysmal degeneration is rare. This study analyzed the characteristics, therapeutic options, and outcomes of true donor brachial artery aneurysms (DBAA) after arteriovenous fistula (AVF) for hemodialysis. We retrospectively collected the data of patients with DBAA after AVF creation, surgically repaired between January 2001 and September 2015. We excluded patients with pseudoaneurysms, anastomotic aneurysms, and infected aneurysms...
September 2017: International Journal of Angiology: Official Publication of the International College of Angiology, Inc
https://www.readbyqxmd.com/read/28800746/artery-of-percheron-infarction-a-case-report
#8
Axel Sandvig, Sandra Lundberg, Jiri Neuwirth
BACKGROUND: The artery of Percheron is a rare anatomic variant of arterial supply to the paramedian thalamus and rostral midbrain, and occlusion of the artery of Percheron results in bilateral paramedian thalamic infarcts with or without midbrain involvement. Acute artery of Percheron infarcts represent 0.1 to 2% of total ischemic stroke. However, of thalamic strokes, occlusion of artery of Percheron is the cause in 4 to 35% of cases. Early diagnosis of artery of Percheron infarction can be challenging because it is infrequent and early computed tomography or magnetic resonance imaging may be negative...
August 12, 2017: Journal of Medical Case Reports
https://www.readbyqxmd.com/read/28796602/contrast-enhanced-magnetic-resonance-imaging-of-gastric-emptying-and-motility-in-rats
#9
Kun-Han Lu, Jiayue Cao, Steven Oleson, Terry L Powley, Zhongming Liu
The assessment of gastric emptying and motility in humans and animals typically requires radioactive imaging or invasive measurements. Here, we developed a robust strategy to image and characterize gastric emptying and motility in rats based on contrast-enhanced magnetic resonance imaging (MRI) and computer-assisted image processing. The animals were trained to naturally consume a gadolinium-labeled dietgel while bypassing any need for oral gavage. Following this test meal, the animals were scanned under low-dose anesthesia for high-resolution T1-weighted MRI in 7-Tesla, visualizing the time-varying distribution of the meal with greatly enhanced contrast against non-GI tissues...
August 8, 2017: IEEE Transactions on Bio-medical Engineering
https://www.readbyqxmd.com/read/28795029/comparison-of-coronary-artery-bypass-graft-first-and-percutaneous-coronary-intervention-first-approaches-for-2-stage-hybrid-coronary-revascularization
#10
Hang Jun Choi, Joonkyu Kang, Hyun Song, Do Yeon Kim, Kuk Bin Choi
BACKGROUND: Hybrid coronary revascularization (HCR) was developed to combine the advantages of coronary artery bypass graft (CABG) with percutaneous coronary intervention (PCI). However, it is still controversial whether it is more optimal to perform CABG or PCI first. The purpose of this study was to compare the clinical outcomes of these 2 approaches. METHODS: Eighty patients who underwent HCR from May 2010 to December 2015 were enrolled in this retrospective analysis...
August 2017: Korean Journal of Thoracic and Cardiovascular Surgery
https://www.readbyqxmd.com/read/28794353/revascularization-of-left-coronary-system-using-a-skeletonized-left-internal-mammary-artery%C3%A3-sequential-vs-separate-grafting
#11
Qiang Ji, YunQing Shi, LiMin Xia, RunHua Ma, JinQiang Shen, Hao Lai, WenJun Ding, ChunSheng Wang
BACKGROUND: To evaluate in-hospital and mid-term outcomes of sequential vs. separate grafting of in situ skeletonized left internal mammary artery (LIMA) to the left coronary system in a single-center, propensity-matched study.Methods and Results:After propensity score-matching, 120 pairs of patients undergoing first scheduled isolated coronary artery bypass grafting (CABG) with in situ skeletonized LIMA grafting to the left anterior descending artery (LAD) territory were entered into a sequential group (sequential grafting of LIMA to the diagonal artery and then to the LAD) or a control group (separate grafting of LIMA to the LAD)...
August 9, 2017: Circulation Journal: Official Journal of the Japanese Circulation Society
https://www.readbyqxmd.com/read/28794136/neutrophil-gelatinase-associated-lipocalin-prior-to-cardiac-surgery-predicts-acute-kidney-injury-and-mortality
#12
Heerajnarain Bulluck, Raju Maiti, Bibhas Chakraborty, Luciano Candilio, Tim Clayton, Richard Evans, David P Jenkins, Shyam Kolvekar, Gudrun Kunst, Christopher Laing, Jennifer Nicholas, John Pepper, Derek M Yellon, Derek J Hausenloy
OBJECTIVE: We aimed to investigate whether preoperative serum neutrophil gelatinase-associated lipocalin (sNGALpre-op) predicted postoperative acute kidney injury (AKI) during hospitalisation and 1-year cardiovascular and all-cause mortality following adult cardiac surgery. METHODS: This study was a post hoc analysis of the Effect of Remote Ischemic Preconditioning on Clinical Outcomes in Patient Undergoing Coronary Artery Bypass Graft Surgery trial involving adult patients undergoing coronary artery bypass graft...
August 9, 2017: Heart: Official Journal of the British Cardiac Society
https://www.readbyqxmd.com/read/28794094/outcomes-of-50-patients-entering-an-adolescent-bariatric-surgery-programme
#13
Billy White, Jacqueline Doyle, Kirsten Matschull, Marco Adamo, Deborah Christie, Dasha Nicholls, Sanjay Kinra, Ian Chi Kei Wong, Russell M Viner
OBJECTIVE: Bariatric surgery is the most effective intervention for weight loss and obesity-related comorbidities currently available. Little is known about adolescents entering National Health Service (NHS) bariatric programmes. We aimed to characterise those entering a pathway and report their outcomes. DESIGN: Prospective service evaluation of patients assessed within a single NHS adolescent bariatric service. RESULTS: 50 patients assessed between 26 July 2007 and 27 January 2014; 6 (12%) were not eligible for surgery, 7 (14%) actively opted out, 8 (16%) were lost to follow-up and 29 (58%) underwent surgery (18 sleeve gastrectomy (SG) 11 Roux-en-y gastric bypass (RYGB) and 0 adjustable gastric band)...
August 9, 2017: Archives of Disease in Childhood
https://www.readbyqxmd.com/read/28791247/the-endovascular-management-of-a-3-5-cm-gastroduodenal-artery-aneurysm-presenting-with-gastritis-and-recurrent-pancreatitis
#14
Baraa Zuhaili, Robert G Molnar, Nitin G Malhotra
Visceral artery aneurysms (VAAs) are a rare entity. Within this subset of aneurysms, gastroduodenal artery (GDA) aneurysms represent an even more rare occurrence. We present a case report of treating GDA aneurysm on semi-elective basis followed by literature review of the clinical presentation and mainstream treatment modalities. GO is a 65-year-old male, with 6-month history of recurrent epigastric pain. He was found to have acute pancreatitis and an adjacent 3.5-cm GDA aneurysm. After conservative treatment of pancreatitis, the aneurysm was treated with coil embolization of the sac and GDA...
July 2017: Avicenna Journal of Medicine
https://www.readbyqxmd.com/read/28790782/revelations-of-an-overt-water-contamination
#15
Gurpreet Singh, S K Kaushik, S Mukherji
BACKGROUND: Contaminated water sources are major cause of water borne diseases of public health importance. Usually, contamination is suspected after an increase in patient load. METHODS: Two health teams investigated the episode. First team conducted sanitary survey, and second team undertook water safety and morbidity survey. On-site testing was carried out from source till consumer end. Investigation was also undertaken to identify factors which masked the situation...
July 2017: Medical Journal, Armed Forces India
https://www.readbyqxmd.com/read/28790268/-perioperative-care-of-low-cardiac-output-syndrome
#16
Hiroki Kato, Yoshiro Matsui
Low cardiac syndrome( LOS) is the imbalance of the oxygen supply and demand at the tissue due to reduced oxygen supply by decreased cardiac function. The causes of the cardiac dysfunction are insufficient cardioplegia, elongation of aortic clamp or cardiopulmonary bypass (CPB) duration, incomplete revascularization, and so on. The preventions of LOS are myocardial protections intraoperatively. The most important myocardial protection is to accomplish more quickly, accurately and safety to operation. And today, cardioplegia is essential for surgery requiring CPB...
July 2017: Kyobu Geka. the Japanese Journal of Thoracic Surgery
https://www.readbyqxmd.com/read/28789610/management-of-refractory-bleeding-post-cardiopulmonary-bypass-in-an-acute-heparin-induced-thrombocytopenia-type-ii-renal-failure-patient-who-underwent-urgent-cardiac-surgery-with-bivalirudin-angiox-%C3%A2-anticoagulation
#17
Kimberly Hassen, Maria R Maccaroni, Haytham Sabry, Smitangshu Mukherjee, Shankari Serumadar, Inderpaul Birdi
Acute heparin-induced thrombocytopenia (HIT) patients present myriad anticoagulation management challenges in clinical settings where unfractionated heparin (UFH) is the traditional drug of choice. UFH use in cardiac surgery is a known entity that has been subject to rigorous research. Research has, thus, led to its unparalleled use and the development of well-established protocols for cardiac surgery. In comparison to UFH, bivalirudin use for acute HIT patients requiring urgent cardiac surgery with cardiopulmonary bypass (CPB) is still in its infancy...
August 1, 2017: Perfusion
https://www.readbyqxmd.com/read/28776922/efficacy-and-pharmacokinetics-of-subcutaneous-exendin-9-39-in-patients-with-post-bariatric-hypoglycemia
#18
Colleen M Craig, Li-Fen Liu, Thi Nguyen, Candice Price, Justus Bingham, Tracey L McLaughlin
AIM: Post-bariatric hypoglycemia (PBH) is a rare but growing complication of bariatric surgery with severe, debilitating, potentially life-threatening consequences and no safe and effective treatment. Previous studies involving continuous intravenous (IV) infusion of the glucagon-like peptide-1 (GLP-1) receptor antagonist, exendin (9-39) (Ex-9) in patients with PBH have demonstrated efficacy in preventing symptomatic postprandial hypoglycemia. Subcutaneous (SC) injection of Ex-9 would represent a more practical therapeutic approach...
August 4, 2017: Diabetes, Obesity & Metabolism
https://www.readbyqxmd.com/read/28774644/preincision-initiation-of-dexmedetomidine-maximally-reduces-the-risk-of-junctional-ectopic-tachycardia-in-children-undergoing-ventricular-septal-defect-repairs
#19
Nischal K Gautam, Yuliya Turiy, Chandra Srinivasan
OBJECTIVE: To evaluate whether initiation of dexmedetomidine (DEX) infusion before surgical incision and cardiopulmonary bypass (CPB) versus initiation after CPB had an impact on the incidence of junctional ectopic tachycardia (JET). DESIGN: Retrospective cohort study. SETTING: Single tertiary-care cardiac center. PARTICIPANTS: Children undergoing cardiopulmonary bypass for repair of congenital heart disease involving ventricular septal defects between January 2010 and February 2013...
April 10, 2017: Journal of Cardiothoracic and Vascular Anesthesia
https://www.readbyqxmd.com/read/28772221/perioperative-prediction-of-agitated-hyperactive-delirium-after-cardiac-surgery-in-adults-the-development-of-a-practical-scorecard
#20
Hani N Mufti, Gregory M Hirsch
BACKGROUND: Delirium is a temporary mental disorder that occurs frequently among hospitalized patients. In this study we sought to develop a user-friendly scorecard based on perioperative features to identify patients at risk of developing agitated delirium after cardiac surgery. METHODS: Retrospective analysis was performed on adult patients undergoing cardiac surgery in a single center. A parsimonious predictive model was created, with subsequent internal validation...
July 27, 2017: Journal of Critical Care
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