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https://www.readbyqxmd.com/read/29771767/risk-of-postendoscopic-retrograde-cholangiopancreatography-pancreatitis-after-double-guidewire-biliary-cannulation-in-an-average-risk-population
#1
Joseph T Krill, Tomas DaVee, Jade S Edwards, J Chris Slaughter, Patrick S Yachimski
OBJECTIVES: Double-guidewire cannulation (DGC) for selective biliary access has been associated with increased risk of post-ERCP pancreatitis (PEP) in patients who have had pancreatic duct (PD) contrast injection. The objective of this study was to determine whether DGC increases PEP risk in standard risk individuals when controlling for procedural aspects such as PD contrast injection. METHODS: Consecutive adults with native papillae who underwent endoscopic retrograde cholangiopancreatography from 2009 to 2014 were retrospectively identified, and clinical data were collected...
May 17, 2018: Pancreas
https://www.readbyqxmd.com/read/29769594/touchscreen-typing-pattern-analysis-for-detecting-fine-motor-skills-decline-in-early-stage-parkinson-s-disease
#2
Dimitrios Iakovakis, Stelios Hadjidimitriou, Vasileios Charisis, Sevasti Bostantzopoulou, Zoe Katsarou, Leontios J Hadjileontiadis
Parkinson's disease (PD) is a degenerative movement disorder causing progressive disability that severely affects patients' quality of life. While early treatment can produce significant benefits for patients, the mildness of many early signs combined with the lack of accessible high-frequency monitoring tools may delay clinical diagnosis. To meet this need, user interaction data from consumer technologies have recently been exploited towards unsupervised screening for PD symptoms in daily life. Similarly, this work proposes a method for detecting fine motor skills decline in early PD patients via analysis of patterns emerging from finger interaction with touchscreen smartphones during natural typing...
May 16, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29768683/theoretical-investigation-of-the-electron-transfer-dynamics-and-photodegradation-pathways-in-a-hydrogen-evolving-ruthenium-palladium-photocatalyst
#3
Magdalena Staniszewska, Stephan Kupfer, Julien Guthmuller
Time-dependent density functional theory calculations combined with the Marcus theory of electron transfer (ET) were applied on the molecular photocatalyst [(tbbpy)2Ru(tpphz)PdCl2]2+ in order to elucidate the light-induced relaxation pathways populated upon excitation in the longer wavelength range of its absorption spectrum. The computational results show that after the initial excitation, metal (Ru) to ligand (tpphz) charge transfer (MLCT) triplet states are energetically accessible, but that an ET toward the catalytic center (PdCl2) from these states is a slow process, with estimated time constants above 1 ns...
May 16, 2018: Chemistry: a European Journal
https://www.readbyqxmd.com/read/29767434/regenerative-surgical-therapy-for-peri-implantitis-using-deproteinized-bovine-bone-mineral-with-10-collagen-enamel-matrix-derivative-and-doxycycline-a-prospective-3-year-cohort-study
#4
Faustino Mercado, Stephen Hamlet, Saso Ivanovski
OBJECTIVES: There is limited evidence regarding the long-term efficacy of regenerative treatment for peri-implantitis. The aim of this study was to evaluate a combination therapy of deproteinized bovine bone mineral with 10% collagen (DBBMC), enamel matrix derivative (EMD) and Doxycycline in the regeneration of bone defects associated with peri-implantitis. METHODS: Thirty patients diagnosed with peri-implantitis (BoP/suppuration, probing depth greater than 4 mm, minimum radiographic bone loss of 20%, at least 2 years in function) were enrolled in the study...
May 16, 2018: Clinical Oral Implants Research
https://www.readbyqxmd.com/read/29764494/precision-medicine-becomes-reality-tumor-type-agnostic-therapy
#5
REVIEW
Li Yan, Wei Zhang
Precision medicine just witnessed two breakthroughs in oncology in 2017. Pembrolizumab (Keytruda), Merck's anti-programmed cell death-1 (PD-1) monoclonal antibody (mAb), received accelerated approval in May 2017 by the US Food and Drug Administration for the treatment of adult and pediatric patients with unresectable or metastatic solid tumors that have been identified as having microsatellite instability-high (MSI-H) or deficient DNA mismatch repair (dMMR). Shortly after, nivolumab (Opdivo), Bristol-Myers Squibb's anti-PD-1 mAb, gained an accelerated approval in August 2017 for adult and pediatric patients with MSI-H or dMMR metastatic colorectal cancer that has progressed after standard chemotherapy...
March 31, 2018: Cancer communications
https://www.readbyqxmd.com/read/29757774/can-telerehabilitation-games-lead-to-functional-improvement-of-upper-extremities-in-individuals-with-parkinson-s-disease
#6
Imre Cikajlo, Alma Hukić, Irena Dolinšek, Dejana Zajc, Mateja Vesel, Tatjana Krizmanič, Bojan Blažica, Anton Biasizzo, Franc Novak, Karmen Peterlin Potisk
Parkinson's disease (PD) is treated by medication, less with deep brain stimulation and physiotherapy. Different opinions on the clinical meaningfulness of the physiotherapy or recommended intensive physiotherapy were found. Our objectives were to design intensive target-based physiotherapy for upper extremities suitable for telerehabilitation services and examine the clinical meaningfulness of the exergaming at an unchanged medication plan. A telerehabilitation exergaming system using the Kinect sensor was developed; 28 patients with PD participated in the study...
May 4, 2018: International Journal of Rehabilitation Research. Revue Internationale de Recherches de Réadaptation
https://www.readbyqxmd.com/read/29747716/effects-of-antiparkinson-medication-on-cognition-in-parkinson-s-disease-a-systematic-review
#7
Marc-André Roy, Maxime Doiron, Jessica Talon-Croteau, Nicolas Dupré, Martine Simard
OBJECTIVE: This study aimed to systematically review the effects of currently prescribed antiparkinson medication on cognition in patients with mild-to-moderate Parkinson's disease (PD) who were either cognitively intact or mildly impaired. METHODS: English- and French-language studies published between 1969 and 2017 were accessed via MedLine, PsychNET, EMBASE and EBSCO databases. Methodological quality (MQ) was evaluated with the quality assessment instrument of the Cochrane Collaboration Depression, Anxiety and Neurosis Review (scores from 0% to 44% indicate very low quality; scores from 45% to 64% indicate low quality; scores from 65% to 84% indicate medium quality; and scores from 85% to 100% indicate high quality)...
May 11, 2018: Canadian Journal of Neurological Sciences. le Journal Canadien des Sciences Neurologiques
https://www.readbyqxmd.com/read/29747712/remote-delivery-of-psychological-interventions-for-parkinson-s-disease
#8
Caitlin Swalwell, Nancy A Pachana, Nadeeka N Dissanayaka
ABSTRACTObjective:Over two-thirds of Parkinson's disease (PD) patients experience comorbid neuropsychiatric symptoms, which adversely impact their quality of life and often require intervention. There is a preference for non-pharmacological, psychological approaches in addressing these symptoms. Given mobility limitations, travel burden, and cost, accessibility to psychological treatment can be problematic in this population. There has been a recent shift toward delivering care via telehealth in PD. Accordingly, this review aimed to examine remotely delivered psychological interventions for PD patients...
May 11, 2018: International Psychogeriatrics
https://www.readbyqxmd.com/read/29742319/a-general-palladium-phosphine-complex-for-exploring-aryl-tosylates-in-n-arylation-of-amines-scope-and-limitation
#9
Pui Ying Choy, Kin Ho Chung, Qingjing Yang, Chau Ming So, Raymond Wai-Yin Sun, Fuk Yee Kwong
The scope and limitation of mono-selective N-arylation of various amines using aryl or heteroaryl tosylates are presented. Air-stable and easily accessible Pd(OAc)2/CM-phos catalyst system was found capable to deal with a wide range of aryl tosylate substrates as well as amine nucleophiles, including primary and secondary cyclic/acyclic aliphatic amines, and anilines. NH-bearing heterocycles such as indole, carbazole, pyrrole, 10-phenothiazine and 10-phenoxazine were shown to be feasible coupling partners under this catalytic system...
May 9, 2018: Chemistry, An Asian Journal
https://www.readbyqxmd.com/read/29739341/hbv-and-hiv-viral-load-but-not-microbial-translocation-or-immune-activation-are-associated-with-liver-fibrosis-among-patients-in-south-africa
#10
Tongai Gibson Maponga, Monique I Andersson, Christoffel J van Rensburg, Joop E Arends, Jantjie Taljaard, Wolfgang Preiser, Richard H Glashoff
BACKGROUND: Co-infection with HIV negatively impacts the progression of chronic hepatitis B virus (HBV) infection, including causing rapid progression to liver fibrosis. Sub-Saharan Africa represents arguably the most important intersection of high endemicity of both chronic hepatitis B virus (HBV) infection and HIV infection. METHODS: We recruited 46 HBV/HIV-co-infected; 47 HBV-monoinfected; 39 HIV-monoinfected; and 37 HBV/HIV-uninfected patients from Tygerberg Hospital, Cape Town, South Africa...
May 8, 2018: BMC Infectious Diseases
https://www.readbyqxmd.com/read/29732106/access-to-benzo-fused-nine-membered-heterocyclic-alkenes-with-a-trifluoromethyl-carbinol-moiety-via-a-double-decarboxylative-formal-ring-expansion-process-under-palladium-catalysis
#11
Pulakesh Das, Satoshi Gondo, Punna Nagender, Hiroto Uno, Etsuko Tokunaga, Norio Shibata
Direct access to pharmaceutically attractive benzo-fused nine-membered heterocyclic alkenes 3 with a trifluoromethyl carbinol moiety was achieved via a palladium-catalyzed double-decarboxylative formal ring-expansion process from six-membered trifluoromethyl benzo[ d ][1,3]oxazinones 1 to nine-membered trifluoromethyl benzo[ c ][1,5]oxazonines 3 in the presence of vinylethylene carbonates 2 . Generation of a Pd-π-allyl zwitterionic intermediate was proposed in the catalytic cycle. The trifluoromethyl group in the benzoxazinanones 1 plays an important role throughout the transformation...
April 7, 2018: Chemical Science
https://www.readbyqxmd.com/read/29728316/cognitive-impairment-in-non-dialysis-dependent-ckd-and-the-transition-to-dialysis-findings-from-the-chronic-renal-insufficiency-cohort-cric-study
#12
Meera N Harhay, Dawei Xie, Xiaoming Zhang, Chi-Yuan Hsu, Eric Vittinghoff, Alan S Go, Stephen M Sozio, Jacob Blumenthal, Stephen Seliger, Jing Chen, Rajat Deo, Mirela Dobre, Sanjeev Akkina, Peter P Reese, James P Lash, Kristine Yaffe, Manjula Kurella Tamura
BACKGROUND: Advanced chronic kidney disease is associated with elevated risk for cognitive impairment. However, it is not known whether and how cognitive impairment is associated with planning and preparation for end-stage renal disease. STUDY DESIGN: Retrospective observational study. SETTING & PARTICIPANTS: 630 adults participating in the CRIC (Chronic Renal Insufficiency Cohort) Study who had cognitive assessments in late-stage CKD, defined as estimated glome-rular filtration rate ≤ 20mL/min/1...
May 2, 2018: American Journal of Kidney Diseases: the Official Journal of the National Kidney Foundation
https://www.readbyqxmd.com/read/29725667/telehealth-management-of-parkinson-s-disease-using-wearable-sensors-an-exploratory-study
#13
Dustin A Heldman, Denzil A Harris, Timothy Felong, Kelly L Andrzejewski, E Ray Dorsey, Joseph P Giuffrida, Barry Goldberg, Michelle A Burack
Background: Parkinson's disease (PD) motor symptoms can fluctuate and may not be accurately reflected during a clinical evaluation. In addition, access to movement disorder specialists is limited for many with PD. The objective was to assess the impact of motion sensor-based telehealth diagnostics on PD clinical care and management. Methods: Eighteen adults with PD were randomized to control or experimental groups. All participants were instructed to use a motion sensor-based monitoring system at home one day per week, for seven months...
September 2017: Digital Biomarkers
https://www.readbyqxmd.com/read/29720505/teaching-pediatric-peritoneal-dialysis-globally-through-virtual-simulation
#14
Aleksandra E Olszewski, Dennis A Daniel, Deborah R Stein, Mignon I McCulloch, Sharon W Su, Daniel L Hames, Traci A Wolbrink
BACKGROUND AND OBJECTIVES: Despite the increasing prevalence of childhood kidney disease worldwide, there is a shortage of clinicians trained to provide peritoneal dialysis (PD). E-learning technologies may provide a solution to improve knowledge in PD. We describe the development of a virtual PD simulator and report the first 22 months of online usage. DESIGN, SETTING, PARTICIPANTS, & MEASUREMENTS: The PD simulator was developed and released on OPENPediatrics in January of 2016...
May 2, 2018: Clinical Journal of the American Society of Nephrology: CJASN
https://www.readbyqxmd.com/read/29719580/a-stereoselective-and-flexible-synthesis-to-access-both-enantiomers-of-n-acetylgalactosamine-and-peracetylated-n-acetylidosamine
#15
Bettina Riedl, Walther Schmid
Synthetic approaches towards N -acetylgalactosamine (GalNAc) have been attracting considerable interest since this compound is known for its pivotal role in cell-cell interaction and receptor induced cell signaling. Herein, we present a synthetic route in which two of the four stereogenic centers present in the target compound are derived from enantiopure tartaric acid being selectively converted to epoxy alcohols. The key step is the Pd-catalyzed, stereo- and regioselective epoxide opening and subsequent nucleophilic substitution of an azide functionality...
2018: Beilstein Journal of Organic Chemistry
https://www.readbyqxmd.com/read/29713731/genetic-characterization-of-vitis-germplasm-collected-from-the-southwestern-us-and-mexico-to-expedite-pierce-s-disease-resistance-breeding
#16
S Riaz, K Huerta-Acosta, A C Tenscher, M A Walker
Pierce's disease (PD) limits the cultivation of Vitis vinifera grape cultivars in California, across the southern United States and into South America. Resistance has been well characterized in V. arizonica, and one resistance locus has been identified (PdR1). However, resistance is poorly characterized in most other grape species. We tested a wide range of Vitis species from the southwestern United States for resistance to PD and used nuclear and chloroplast markers to phenotypically and genetically select a diverse set of resistant accessions...
April 30, 2018: TAG. Theoretical and Applied Genetics. Theoretische und Angewandte Genetik
https://www.readbyqxmd.com/read/29709756/deep-brain-stimulation-for-parkinson-s-disease-in-the-philippines-outcomes-of-the-philippine-movement-disorder-surgery-center
#17
Jose Danilo B Diestro, Theodor S Vesagas, Rosalia A Teleg, Jose A Aguilar, Joseph P Anlacan, Roland Dominic G Jamora
OBJECTIVE: Deep brain stimulation (DBS) is an established treatment modality for Parkinson's Disease (PD). The first DBS for PD in the Philippines was done at the Philippine Movement Disorder Surgery Center (PhilMove) in 2006. There is no Philippine data on DBS for PD. We aim to determine the motor improvement and reduction in medication dosage of all PD patients who underwent DBS at PhilMove. METHODS: This is a retrospective study of all PD patients (n=17) who underwent DBS from 2006-2016...
April 27, 2018: World Neurosurgery
https://www.readbyqxmd.com/read/29701978/scalable-synthesis-of-mycocyclosin
#18
Xu Zhu, Christopher C McAtee, Corinna S Schindler
We report herein the scalable total synthesis of the secondary metabolite, mycocyclosin, initially isolated from Mycobacterium tuberculosis. Mycocylosin bears a highly strained 3,3'-dityrosine biaryl system which arises biosynthetically from an intramolecular oxidative dehydrogenative cross-coupling of cyclo(l-Tyr-l-Tyr) (cYY) catalyzed by the P450 enzyme CYP121. CYP121 is found exclusively in M. tuberculosis. Scalable access to mycocyclosin and related derivatives via a Pd(II)-catalyzed macrocyclization is anticipated to facilitate the biological evaluation of these compounds as novel tuberculosis antimicrobials...
April 27, 2018: Organic Letters
https://www.readbyqxmd.com/read/29697455/modified-blumgart-mattress-suture-versus-conventional-interrupted-suture-in-pancreaticojejunostomy-during-pancreaticoduodenectomy-randomized-controlled-trial
#19
Seiko Hirono, Manabu Kawai, Ken-Ichi Okada, Motoki Miyazawa, Yuji Kitahata, Shinya Hayami, Masaki Ueno, Hiroki Yamaue
OBJECTIVE: This study used a randomized controlled trial (RCT) to evaluate whether mattress suture of pancreatic parenchyma and the seromuscular layer of jejunum (modified Blumgart method) during pancreaticojejunostomy (PJ) decreases the incidence of clinically relevant postoperative pancreatic fistula (POPF) after pancreaticoduodenectomy (PD). BACKGROUND: Several studies reported that mattress suture of Blumgart anastomosis in PJ could reduce POPF rate. This, however, is the first RCT...
April 24, 2018: Annals of Surgery
https://www.readbyqxmd.com/read/29696768/the-discovery-of-a-pd-ii-initiated-borono-catellani-reaction
#20
Qianghui Zhou, Shuqing Chen, Ze-Shui Liu, Tao Yang, Yu Hua, Zhiyu Zhou, Hong-Gang Cheng
We report a novel Pd(II)-initiated Catellani-type reaction that utilizes widely accessible aryl boronic acids as the substrates instead of aryl halides, thereby greatly expanding the existing paradigm of this powerful transformation. This tentatively called "Borono-Catellani reaction" was promoted by a cooperative catalysis of Pd(OAc)2 and the inexpensive 5-norbornene-2-carbonitrile. Practicality is the striking feature of the reaction: it is run at ambient temperature under air while no phosphine ligand is needed...
April 26, 2018: Angewandte Chemie
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