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https://www.readbyqxmd.com/read/28727691/appendicitis-presenting-as-the-first-manifestation-of-colorectal-carcinoma-a-13-year-retrospective-study
#1
Rebecca J Shine, Abigail Zarifeh, Chris Frampton, Jeremy Rossaak
AIM: Appendicitis in older adults may present as the first sign of underlying colorectal cancer. We aim to determine whether there was a difference in the rate of diagnosis of colorectal carcinoma for patients ≥45 years following a presentation with appendicitis, compared with New Zealand standardised rates. METHOD: Retrospective study of patients ≥45 years with a confirmed diagnosis of appendicitis from 2003 to 2015 inclusive. The rate of colorectal carcinoma diagnosed during the 36-month follow-up period was calculated and compared to standardised rates, as per the New Zealand cancer registry...
July 21, 2017: New Zealand Medical Journal
https://www.readbyqxmd.com/read/28726862/a-targeted-delivery-strategy-for-the-development-of-potent-trypanocides
#2
Heeren M Gordhan, Jillian E Milanes, Yijian Qiu, Jennifer E Golden, Kenneth A Christensen, James C Morris, Daniel C Whitehead
A new drug delivery strategy was investigated for the development of potent anti-parasitic compounds against Trypanosoma brucei, the causative agent of African sleeping sickness. Thus, potent in vitro hexokinase inhibitors were rendered cytotoxic by appending a tripeptide peroxosomal targeting sequence that facilitated delivery of the molecular cargo to the appropriate organelle in the parasite.
July 20, 2017: Chemical Communications: Chem Comm
https://www.readbyqxmd.com/read/28725923/assessing-3d-t2-fse-sequence-for-identification-of-the-normal-appendix-working-toward-a-single-sequence-mr-appendicitis-protocol
#3
Nattinee Leelakanok, Andrew S Phelps, Matthew A Zapala, Kambrie Kato, Michael Ohliger, Yi Li, Jesse Courtier
PURPOSES: To assess the ability of a single isotropic 3D T2 FSE sequence to identify the normal appendix in children with potential implication as alternative second-line modality in pediatric appendicitis. MATERIALS AND METHODS: Retrospective review of MR abdomino-pelvis or pelvis in children from Oct 2014-Dec 2016 was done. Only exams with 3D T2 FSE sequence performed on a single scanner type were selected. Patients with history of post appendectomy, studies in which field of view did not include ileocecal valve, with technical and protocol errors, or with fat-saturated acquisition were excluded...
July 19, 2017: Emergency Radiology
https://www.readbyqxmd.com/read/28724190/testing-limits-of-bophy-platform-preparation-characterization-and-theoretical-modeling-of-bophys-bophys-with-electron-withdrawing-groups-at-b-pyrrolic-and-bridging-positions
#4
Victor N Nemykin, Yuriy V Zatsikha, Dion B Nemez, Rebecca L Davis, Simarpreet Singh, David E Herbert, Alex J King, Christopher J Ziegler
Several BOPHY derivatives with and without ferrocene fragments and with electron-withdrawing carbethoxy groups appended to the -pyrrolic positions have been prepared and characterized by NMR, UV-Vis-NIR, APCI MS, and fluorescence spectroscopy as well as X-ray crystallography. The redox properties of new BOPHYs were probed by electrochemical (CV and DPV) and spectroelectrochemical methods. In attempt for the preparation of the BOPHY derivatives with cyano group at bridging position using similar to recently communicated BODIPY cyanation approach (Chem...
July 19, 2017: Chemistry: a European Journal
https://www.readbyqxmd.com/read/28724111/agricultural-conservation-planning-framework-3-land-use-and-field-boundary-database-development-and-structure
#5
Mark D Tomer, David E James, Claudette M J Sandoval-Green
Conservation planning information is important for identifying options for watershed water quality improvement and can be developed for use at field, farm, and watershed scales. Translation across scales is a key issue impeding progress at watershed scales because watershed improvement goals must be connected with implementation of farm- and field-level conservation practices to demonstrate success. This is particularly true when examining alternatives for "trap and treat" practices implemented at agricultural-field edges to control (or influence) water flows through fields, landscapes, and riparian corridors within agricultural watersheds...
May 2017: Journal of Environmental Quality
https://www.readbyqxmd.com/read/28722235/analysis-of-safety-related-regulatory-actions-by-japan-s-pharmaceutical-regulatory-agency
#6
Chieko Ishiguro, Takashi Misu, Eiko Iwasa, Tadashi Izawa
PURPOSE: To evaluate the safety-related regulatory actions implemented by Japan's Pharmaceuticals and Medical Devices Agency (PMDA) in 2012. METHODS: We analyzed serious safety issues appended to drug package inserts (PIs) in Japan in 2012. The issues were characterized according to drug class, adverse event, years since drug approval, initiator of regulatory actions, revised section of PI, and evidence source. We also quantified the durations from signal detection to tentative decision and from tentative decision to regulatory action...
July 19, 2017: Pharmacoepidemiology and Drug Safety
https://www.readbyqxmd.com/read/28720795/symmetry-of-learning-rate-in-synaptic-plasticity-modulates-formation-of-flexible-and-stable-memories
#7
Youngjin Park, Woochul Choi, Se-Bum Paik
Spike-timing-dependent plasticity (STDP) is considered critical to learning and memory functions in the human brain. Across various types of synapse, STDP is observed as different profiles of Hebbian and anti-Hebbian learning rules. However, the specific roles of diverse STDP profiles in memory formation still remain elusive. Here, we show that the symmetry of the learning rate profile in STDP is crucial to determining the character of stored memory. Using computer simulations, we found that an asymmetric learning rate generates flexible memory that is volatile and easily overwritten by newly appended information...
July 18, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28719443/18f-fdg-pet-ct-scan-can-predate-clinical-presentation-in-acute-appendicitis
#8
Syed Zama Ali, Loi Hoi Yin, Khor Lih Kin, Arvind Kumar Sinha, Li Mei Poon
Acute appendicitis is a clinical diagnosis typically presenting with right lower quadrant pain. We describe the case of an asymptomatic 53-year-old man with stage 2A diffuse large B-cell lymphoma, who underwent F-FDG PET/CT at the completion of chemotherapy. The scan showed complete lymphomatous disease remission. Incidentally, there was increased FDG uptake in a tubular structure adjacent to the cecum. Clinical examination was negative. Subsequently, the patient presented 6 days later with typical acute appendicitis symptoms...
July 17, 2017: Clinical Nuclear Medicine
https://www.readbyqxmd.com/read/28719195/fluorinated-boronic-acid-appended-pyridinium-salts-and-19f-nmr-spectroscopy-for-diol-sensing
#9
Jörg Axthelm, Sven H C Askes, Martin Elstner, Upendar Reddy Gandra, Helmar Görls, Peter Bellstedt, Alexander Schiller
The identification and discrimination of diols is of fundamental importance in medical diagnostics, such as measuring the contents of glucose in the urine of diabetes patients. Diol sensors are often based on fluorophore-appended boronic acids, but these severely lack discrimination power and their response is one-dimensional. As an alternative strategy, we present the use of fluorinated boronic acid-appended pyridinium salts in combination with 19F NMR spectroscopy. A pool of 59 (bio)analytes was screened, containing monosaccharides, phosphorylated and N-acetylated sugars, polyols, carboxylic acids, nucleotides and amines...
July 18, 2017: Journal of the American Chemical Society
https://www.readbyqxmd.com/read/28718241/c-reactive-protein-an-aid-for-diagnosis-of-acute-appendicitis
#10
Nauman Ahmed
BACKGROUND: Delayed or wrong diagnosis of acute appendicitis in patients results in complications like perforation, gangrene, etc. which carries a significant amount of morbidity and mortality to the patients. Thus, timely diagnosis of acute appendicitis is crucial to prevent these complications. Recently, it was found that serum C-reactive protein (CRP) individually can be a useful marker, thus in resource limited settings (i.e., access to ultrasonography) simple laboratory investigation can be of extreme utility for the diagnosis of acute appendicitis...
April 2017: Journal of Ayub Medical College, Abbottabad: JAMC
https://www.readbyqxmd.com/read/28717908/systematic-review-and-meta-analysis-of-laparoscopic-versus-open-appendicectomy-in-adults-with-complicated-appendicitis-an-update-of-the-literature
#11
Christos Athanasiou, Sonia Lockwood, Georgios A Markides
AIMS: To review and compare the outcomes of laparoscopic (LA) versus open appendicectomy (OA) in complicated appendicitis in adult patients, eight years after the last literature review. METHODS: The PRISMA guidelines were adhered to. Pre-defined inclusion and exclusion criteria were used to search the PubMed, Scopus and Cochrane databases and extract relevant data. Methodological and quality assessment was undertaken with outcome meta-analysis and subgroup analyses of methodological quality, type of study and year of study...
July 17, 2017: World Journal of Surgery
https://www.readbyqxmd.com/read/28715618/measurement-of-net-formation-in-vitro-and-in-vivo-by-flow-cytometry
#12
Sakiko Masuda, Sakika Shimizu, Junji Matsuo, Yuka Nishibata, Yoshihiro Kusunoki, Fumihiko Hattanda, Haruki Shida, Daigo Nakazawa, Utano Tomaru, Tatsuya Atsumi, Akihiro Ishizu
Neutrophil extracellular traps (NETs) are extracellular chromatin fibers adorned with antimicrobial proteins, such as myeloperoxidase (MPO), which are extruded from activated neutrophils. NETosis is the metamorphosis of neutrophils with NET formation that follows decondensation of DNA and rupture of the plasma membrane. Although NETs play important roles in innate immunity, excessive formation of NETs can be harmful to the hosts. Until now, various methods for evaluation of NETs have been reported. Although each has a virtue, the gold standard has not been established...
July 17, 2017: Cytometry. Part A: the Journal of the International Society for Analytical Cytology
https://www.readbyqxmd.com/read/28711125/care-of-acute-gastrointestinal-conditions-in-the-observation-unit
#13
REVIEW
Jason J Ham, Edgar Ordonez, R Gentry Wilkerson
The Emergency Department Observation Unit (EDOU) provides a viable alternative to inpatient admission for the management of many acute gastrointestinal conditions with additional opportunities of reducing resource utilization and reducing radiation exposure. Using available evidence-based criteria to determine appropriate patient selection, evaluation, and treatment provides higher-quality medical care and improved patient satisfaction. Discussions of factors involved in creating an EDOU capable of caring for acute gastrointestinal conditions and clinical protocol examples of acute appendicitis, gastrointestinal hemorrhage, and acute pancreatitis provide a framework from which a successful EDOU can be built...
August 2017: Emergency Medicine Clinics of North America
https://www.readbyqxmd.com/read/28710611/bad-bacteria-in-acute-appendicitis-rare-but-relevant
#14
Alexander Reinisch, Patrizia Malkomes, Nils Habbe, Wolf Otto Bechstein, Juliane Liese
PURPOSE: Bacterial infections are a factor for morbidity in patients with acute appendicitis (AA). The spreading of multidrug-resistant (MDR) bacteria is a significant problem in surgery, and the most relevant MDR pathogens are summarized as Enterobacteriaceae, Staphylococcus aureus, Klebsiella pneumoniae, Acinetobacter baumannii, Pseudomonas aeruginosa, and Enterococci (ESKAPE) bacteria. Data regarding the species and distribution of bacteria in AA are available, but information about the resistances and their relevance is deficient...
July 15, 2017: International Journal of Colorectal Disease
https://www.readbyqxmd.com/read/28710463/erratum-genomic-rna-folding-mediates-assembly-of-human-parechovirus
#15
Shabih Shakeel, Eric C Dykeman, Simon J White, Ari Ora, Joseph J B Cockburn, Sarah J Butcher, Peter G Stockley, Reidun Twarock
A correction has been published and is appended to both the HTML and PDF versions of this paper. The error has not been fixed in the paper.
July 14, 2017: Nature Communications
https://www.readbyqxmd.com/read/28708770/laparoscopic-appendectomy-for-complicated-acute-appendicitis-in-the-elderly-a-single-center-experience
#16
Jiahua Yang, Kun Yu, Wei Li, Xianke Si, Jixun Zhang, Wentao Wu, Yijun Cao
BACKGROUND: The use of laparoscopic appendectomy for complicated acute appendicitis remains controversial in the elderly. This study aimed to compare the postoperative outcomes of elderly patients who received either laparoscopic appendectomy or open appendectomy. PATIENTS AND METHODS: A single-centre retrospective analysis of the clinical records of elderly patients (age, above 65 y) who underwent operations from January 2012 to November 2015 was performed. Demographic data, intraoperative variables, length of stay, and surgical complications were retrieved...
July 13, 2017: Surgical Laparoscopy, Endoscopy & Percutaneous Techniques
https://www.readbyqxmd.com/read/28708253/cytomegalovirus-appendicitis-after-hematopoietic-stem-cell-transplantation
#17
Atul Kothari, Kari D Caradine, Juan Carlos Crescencio Rico, Appalanaidu Sasapu, Muthu K Veeraputhiran, Yogesh Jethava, Mary J Burgess
We present the case of a young man with acute lymphoblastic leukemia who developed cytomegalovirus (CMV) appendicitis after receiving alemtuzumab for acute refractory graft-versus-host disease after allogeneic hematopoietic stem cell transplantation (HSCT). CMV appendicitis is a rare complication; and we are reporting the first case to our knowledge of CMV appendicitis following HSCT. Our case highlights the importance of recognition of CMV viral reactivation following the use of alemtuzumab. Using a preemptive strategy of checking CMV PCR, with initiation of early effective treatment on detection of CMV replication, may be appropriate following use of alemtuzumab in hematologic malignancies in patients after HSCT...
July 14, 2017: Transplant Infectious Disease: An Official Journal of the Transplantation Society
https://www.readbyqxmd.com/read/28706890/clinical-implication-of-discrepancies-between-surgical-and-pathologic-diagnoses-of-acute-appendicitis
#18
Jinbeom Cho, Dosang Lee, Kiyoung Sung, Jongmin Baek, Junhyun Lee
PURPOSE: The postoperative treatment after appendectomy is usually decided on the basis of the surgeons' intraoperative findings. Comparatively, the pathologic diagnosis of appendicitis is confirmed several days after the surgery; therefore, it usually does not affect the postoperative treatment strategy. The aim of this study was to investigate the discrepancies between the surgical and pathologic diagnoses of appendicitis and to identify their clinical implication. METHODS: A retrospective observational study was performed in 1,817 patients who underwent 3-port laparoscopic appendectomy for the final diagnosis of appendicitis...
July 2017: Annals of Surgical Treatment and Research
https://www.readbyqxmd.com/read/28702156/clinical-presentation-of-acute-appendicitis-in-babol-northern-of-iran
#19
Kamal Rashidi-Azar, Ali-Asghar Darzi, Sekineh Kamali-Ahangar, Sepideh Siadati, Abdolrahim Gholizadehpasha
No abstract text is available yet for this article.
2017: Caspian Journal of Internal Medicine
https://www.readbyqxmd.com/read/28702149/postoperative-antibiotic-therapy-after-appendectomy-in-patients-with-non-perforated-appendicitis
#20
Seyed-Mohammadreza Sadraei-Moosavi, Novin Nikhbakhsh, Ali-Asghar Darzi
BACKGROUND: Appendectomy intra-abdominal is the most frequently performed emergency surgery. This study was conducted to determine the role of postoperative antibiotics in reducing surgical site infections (SSIs) and abscess formation after open appendectomy. METHODS: In the Department of Surgery, Shahid Beheshti Hospital, Babol, Iran, from October 2013 to October 2014 one hundred and fifty two patients, who underwent appendectomy for nonperforated appendicitis (NPA) and fulfilled the selection criteria, were randomized into two groups...
2017: Caspian Journal of Internal Medicine
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