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https://www.readbyqxmd.com/read/29773801/lrrc8-vrac-anion-channels-enhance-%C3%AE-cell-glucose-sensing-and-insulin-secretion
#1
Till Stuhlmann, Rosa Planells-Cases, Thomas J Jentsch
Glucose homeostasis depends critically on insulin that is secreted by pancreatic β-cells. Serum glucose, which is directly sensed by β-cells, stimulates depolarization- and Ca2+ -dependent exocytosis of insulin granules. Here we show that pancreatic islets prominently express LRRC8A and LRRC8D, subunits of volume-regulated VRAC anion channels. Hypotonicity- or glucose-induced β-cell swelling elicits canonical LRRC8A-dependent VRAC currents that depolarize β-cells to an extent that causes electrical excitation...
May 17, 2018: Nature Communications
https://www.readbyqxmd.com/read/29773306/factors-associated-with-timing-and-adverse-outcomes-in-patients-with-biliary-atresia-undergoing-kasai-hepatoportoenterostomy
#2
Michael Ross Townsend, Adeeb Jaber, Hanina Abi Nader, Shaker M Eid, Kathleen Schwarz
OBJECTIVE: To assess factors associated with timing of hepatoportoenterostomy (HPE) and adverse perioperative outcomes in patients with biliary atresia in the US. STUDY DESIGN: We examined hospitalizations in infants aged <1 year using the National Inpatient Sample database for 2000-2011. We identified cases using the International Classification of Diseases, Ninth Revision, Clinical Modification codes for biliary atresia and HPE. Multivariable logistic regression models were used to examine association between select factors and age at HPE, as well as adverse perioperative outcomes...
May 14, 2018: Journal of Pediatrics
https://www.readbyqxmd.com/read/29773279/-non-tuberculous-mycobacterial-cervical-adenitis-in-children-2-cases
#3
N Sigg, S Bailleul, J-M Turmel, G Legrand, S Kettani, L Martin
BACKGROUND: Cervical lymphadenitis is the most common manifestation of infection with nontuberculous mycobacteria (NTM) in immunocompetent children. Nevertheless, it is poorly known by dermatologists. Its incidence, which is currently increasing since the cessation of BCG vaccination in 2007, raises several issues regarding its pathophysiology, diagnosis and management. PATIENTS AND METHODS: We report two cases of NTM adenitis: one in a 2-year-old girl vaccinated with BCG and one in an unvaccinated 22-month-old boy, in whom a misleading presentation led to delayed diagnosis...
May 14, 2018: Annales de Dermatologie et de Vénéréologie
https://www.readbyqxmd.com/read/29772622/-delay-in-high-grade-metastatic-prostate-cancer-progression-by-dutasteride-a-case-report
#4
Yuya Yamada, Hiroshi Fujiwara, Shinya Somiya, Shohei Fujikawa, Yuki Kamiyama, Masahiro Tamaki, Toshio Kanaoka
An 84-year-old man was referred to our hospital with swollen right cervical lymph nodes. Computed tomography showed right supraclavicular and mediastinal lymph node enlargement, and fluorodeoxyglucose positronemissiontomography showed multiple areas of abnormally increased radioactivity inthe right supraclavicular and mediastinal lymph nodes, right ninth rib, and left fifth and seventh ribs. Biopsy of the right supraclavicular lymph node revealed metastatic adenocarcinoma with partial immunohistochemical staining for prostate specific antigen (PSA)...
April 2018: Hinyokika Kiyo. Acta Urologica Japonica
https://www.readbyqxmd.com/read/29771396/lyme-arthritis-of-the-pediatric-elbow-a-case-series
#5
David Gendelberg, William L Hennrikus
Most patients with untreated Lyme disease will experience joint symptoms. Owing to their resemblance in clinical presentation, Lyme arthritis and septic arthritis are often difficult to differentiate. However, their treatment is different. The elbow is rarely the first joint to present with symptoms. Therefore, Lyme disease is not commonly included in the differential diagnosis for children presenting with isolated elbow pain. The authors report 4 cases of monoarticular Lyme arthritis presenting in the elbow...
May 16, 2018: Orthopedics
https://www.readbyqxmd.com/read/29770995/adolescent-and-young-adult-oncology-patients-in-france-heterogeneity-in-pathways-of-care
#6
Emmanuel Desandes, Laurence Brugières, Florence Molinié, Gautier Defossez, Patricia Delafosse, Karine Jehannin-Ligier, Michel Velten, Brigitte Trétarre, Brice Amadéo, Emilie Marrer, Anne-Sophie Woronoff, Olivier Ganry, Alain Monnereau, Tania d'Almeida, Xavier Troussard, Laetitia Daubisse-Marliac, Simona Bara, Anne-Valérie Guizard, Isabelle Baldi, Guy Launoy, Jacqueline Clavel, Brigitte Lacour
BACKGROUND: In order to evaluate at the population level the impact of the actions developed in France since 2004 to organize the care of adolescents and young adults (AYAs) with cancer, we conducted the present study to provide an unbiased view of the pathway of care of these patients. METHODS: Using a population-based registry, we conducted a review of all cases of cancer diagnosed during 2012 and 2013 in 15- to 24-year-old patients living in nineteen French administrative areas...
May 17, 2018: Pediatric Blood & Cancer
https://www.readbyqxmd.com/read/29770118/neuroinflammation-as-a-target-for-intervention-in-subarachnoid-hemorrhage
#7
REVIEW
Airton Leonardo de Oliveira Manoel, R Loch Macdonald
Aneurysmal subarachnoid hemorrhage (SAH) is a sub-type of hemorrhagic stroke associated with the highest rates of mortality and long-term neurological disabilities. Despite the improvement in the management of SAH patients and the reduction in case fatality in the last decades, disability and mortality remain high in this population. Brain injury can occur immediately and in the first days after SAH. This early brain injury can be due to physical effects on the brain such as increased intracranial pressure, herniations, intracerebral, intraventricular hemorrhage, and hydrocephalus...
2018: Frontiers in Neurology
https://www.readbyqxmd.com/read/29770078/evaluating-the-timeliness-of-reporting-in-a-first-nations-communicable-diseases-program
#8
A Lam, S Woods, N Ndubuka
Background: Timely reporting of communicable diseases is necessary to enable a prompt response to mitigate and control outbreaks. This is especially true among First Nations communities due to a number of factors, including unique social determinants of health, which can contribute to rapid disease transmission. Objective: To assess the timeliness of reporting for 12 notifiable communicable diseases in the Northern Inter-Tribal Health Authority, which includes 33 First Nations on-reserve communities in Northern Saskatchewan, Canada, and to assess whether there were differences in reporting times depending on degree of remoteness of community, season or year...
June 1, 2017: Canada Communicable Disease Report, Relevé des Maladies Transmissibles Au Canada
https://www.readbyqxmd.com/read/29767734/electrical-burns-and-late-spontaneous-artery-ruptures-about-three-cases
#9
C Reinbold, K Serror, M Mimoun, M Chaouat, O Marco, D Boccara
Electrical burns are responsible for arterial and venous thrombosis, as well as weakening of the arteries. Immediate or delayed arterial occlusions, secondary to the aggression of the intima, or aneurysms, secondary to the aggression of the media, sometimes lead to artery ruptures without any warning signs. Such ruptures may trigger a hemorrhagic shock whose period of onset is variable and unpredictable. We are presenting here three cases treated in our department for electrical burns, whose complications were marked by hemorrhagic shock, secondary to late artery ruptures, sometimes occurring several months following the event...
May 15, 2018: Journal of Burn Care & Research: Official Publication of the American Burn Association
https://www.readbyqxmd.com/read/29764460/benign-and-severe-early-life-seizures-a-round-in-the-first-year-of-life
#10
REVIEW
Piero Pavone, Giovanni Corsello, Martino Ruggieri, Silvia Marino, Simona Marino, Raffaele Falsaperla
At the onset, differentiation between abnormal non-epileptic movements, and epileptic seizures presenting in early life is difficult as is clinical diagnosis and prognostic evaluation of the various seizure disorders presenting at this age. Seizures starting in the first year of life including the neonatal period might have a favorable course, such as in infants presenting with benign familial neonatal epilepsy, febrile seizures simplex or acute symptomatic seizures. However, in some cases, the onset of seizures at birth or in the first months of life have a dramatic evolution with severe cerebral impairment...
May 15, 2018: Italian Journal of Pediatrics
https://www.readbyqxmd.com/read/29759837/clinical-features-and-sites-of-ablation-for-patients-with-incessant-supraventricular-tachycardia-from-concealed-nodofascicular-and-nodoventricular-tachycardias
#11
Frederick T Han, Eric M Riles, Nitish Badhwar, Melvin M Scheinman
OBJECTIVES: This study sought to describe the clinical features and sites of successful ablation for incessant nodofascicular (NF) and nodoventricular (NV) tachycardias. BACKGROUND: Incessant supraventricular tachycardias have been associated with tachycardia-induced cardiomyopathies and have been previously attributed to permanent junctional reciprocating tachycardias, atrial tachycardias, and atrioventricular nodal re-entrant tachycardias. Incessant concealed NF and NV tachycardias have not been described previously...
December 26, 2017: JACC. Clinical Electrophysiology
https://www.readbyqxmd.com/read/29758462/global-stabilization-analysis-of-inertial-memristive-recurrent-neural-networks-with-discrete-and-distributed-delays
#12
Leimin Wang, Zhigang Zeng, Ming-Feng Ge, Junhao Hu
This paper deals with the stabilization problem of memristive recurrent neural networks with inertial items, discrete delays, bounded and unbounded distributed delays. First, for inertial memristive recurrent neural networks (IMRNNs) with second-order derivatives of states, an appropriate variable substitution method is invoked to transfer IMRNNs into a first-order differential form. Then, based on nonsmooth analysis theory, several algebraic criteria are established for the global stabilizability of IMRNNs under proposed feedback control, where the cases with both bounded and unbounded distributed delays are successfully addressed...
May 2, 2018: Neural Networks: the Official Journal of the International Neural Network Society
https://www.readbyqxmd.com/read/29755904/radiation-induced-cavernous-malformation-as-a-late-sequelae-of-stereotactic-radiosurgery-for-epilepsy
#13
Ethan A Winkler, Caleb Rutledge, Mariann Ward, Tarik Tihan, Patricia K Sneed, Nicholas Barbaro, Paul Garcia, Michael McDermott, Edward F Chang
Stereotactic radiosurgery (SRS) is a promising treatment for medically intractable mesial temporal lobe epilepsy. SRS for epilepsy has had an acceptable safety profile with reports of radiation-induced vascular malformations confined to central nervous system pathologies with prominent angiogenesis - namely, primary brain tumors, metastases, and arteriovenous malformations. Theoretical risks for radiation-induced lesions following radiosurgery for epilepsy have yet to be established. Of 13 patients treated in a pilot trial for medial temporal lobe epilepsy, one developed multiple delayed radiation-induced cavernous malformations following radiosurgery...
March 11, 2018: Curēus
https://www.readbyqxmd.com/read/29754879/congenital-pyloric-atresia-nine-new-cases-single-center-experience-of-the-long-term-follow-up-and-the-lessons-learnt-over-a-decade
#14
Monal Kansra, V Shankar Raman, Kamal Kishore, Sanat Khanna, Bipin Puri, Abhishek Sharma
BACKGROUND: Congenital pyloric atresia (CPA) is a rare anomaly with an incidence of 1 in 100,000 live births. Depending on the type of anomaly patients can either present in the neonatal period or later in life with subtle nonspecific signs and symptoms. We present our institute's experience in handling these cases over the last decade and highlight lessons learnt. MATERIALS AND METHODS: We retrospectively reviewed records of patients diagnosed with CPA and managed at our centre between Jan 2006 to June 2016...
April 14, 2018: Journal of Pediatric Surgery
https://www.readbyqxmd.com/read/29753856/analysis-of-bystander-cpr-quality-during-out-of-hospital-cardiac-arrest-using-data-derived-from-automated-external-defibrillators
#15
Shannon M Fernando, Christian Vaillancourt, Stanley Morrow, Ian G Stiell
BACKGROUND: Little is known regarding the quality of cardiopulmonary resuscitation (CPR) performed by bystanders in out-of-hospital cardiac arrest (OHCA). We sought to determine quality of bystander CPR provided during OHCA using CPR quality data stored by Automated External Defibrillators (AEDs). METHODS: We used the Resuscitation Outcomes Consortium database to identify OHCA cases of presumed cardiac etiology where an AED was utilized. We then matched AED data to each case identified...
May 10, 2018: Resuscitation
https://www.readbyqxmd.com/read/29753570/xanthogranulomatous-pyelonephritis-a-complicated-febrile-urinary-tract-infection-detected-by-point-of-care-ultrasound-in-the-emergency-department
#16
Ryan Gibbons, Nicole Leonard, Mark Magee, Allison Zanaboni, Jessica Patterson, Thomas Costantino
BACKGROUND: Febrile urinary tract infections (UTIs) include a spectrum of pathologies from uncomplicated pyelonephritis to urosepsis, including xanthogranulomatous pyelonephritis (XGP). Most febrile UTIs are treated with antibiotics alone, but studies indicate nearly 12% of cases of presumed simple pyelonephritis require emergent urologic intervention. How to identify these individuals, while limiting unnecessary advanced imaging and delays in diagnosis, challenges all emergency providers...
May 9, 2018: Journal of Emergency Medicine
https://www.readbyqxmd.com/read/29753093/epidemiology-of-septo-optic-dysplasia-with-focus-on-prevalence-and-maternal-age-a-eurocat-study
#17
Ester Garne, Anke Rissmann, Marie-Claude Addor, Ingeborg Barisic, Jorieke Bergman, Paula Braz, Clara Cavero-Carbonell, Elizabeth S Draper, Miriam Gatt, Martin Haeusler, Kari Klungsoyr, Jennifer J Kurinczuk, Nathalie Lelong, Karen Luyt, Catherine Lynch, Mary T O'Mahony, Olatz Mokoroa, Vera Nelen, Amanda J Neville, Anna Pierini, Hanitra Randrianaivo, Judith Rankin, Florence Rouget, Bruno Schaub, David Tucker, Christine Verellen-Dumoulin, Diana Wellesley, Awi Wiesel, Nataliia Zymak-Zakutnia, Monica Lanzoni, Joan K Morris
Septo-optic nerve dysplasia is a rare congenital anomaly with optic nerve hypoplasia, pituitary hormone deficiencies and midline developmental defects of the brain. The clinical findings are visual impairment, hypopituitarism and developmental delays. The aim of this study was to report prevalence, associated anomalies, maternal age and other epidemiological factors from a large European population based network of congenital anomaly registries (EUROCAT). Data from 29 full member registries for the years 2005-2014 were included, covering 6...
May 9, 2018: European Journal of Medical Genetics
https://www.readbyqxmd.com/read/29753047/chromosomal-microarray-analysis-of-bulgarian-patients-with-epilepsy-and-intellectual-disability
#18
Valentina Peycheva, Kunka Kamenarova, Neviana Ivanova, Dimitar Stamatov, Daniela Avdjieva-Tzavella, Iliana Alexandrova, Sashka Zhelyazkova, Iliana Pacheva, Petya Dimova, Ivan Ivanov, Ivan Litvinenko, Veneta Bozhinova, Ivailo Tournev, Emil Simeonov, Vanyo Mitev, Albena Jordanova, Radka Kaneva
High resolution chromosomal microarray analysis (CMA) has facilitated the identification of small chromosomal rearrangements throughout the genome, associated with various neurodevelopmental phenotypes, including ID/DD. Recently, it became evident that intellectual disability (ID)/developmental delay (DD) can occur with associated co-morbidities like epileptic seizures, autism and additional congenital anomalies. These observations require whole genome approach in order to detect the genetic causes of these complex disorders...
May 9, 2018: Gene
https://www.readbyqxmd.com/read/29752594/late-onset-traumatic-dislocation-of-laser-in-situ-keratomileusis-corneal-flaps-a-case-series-with-many-clinical-lessons
#19
Darren Shu Jeng Ting, Jean-Pierre Danjoux
PURPOSE: To report three cases of late-onset (7-14 years postoperative) traumatic dislocation of laser in situ keratomileusis (LASIK) flaps with epithelial ingrowth that all had delayed surgical intervention. METHODS: A retrospective, interventional case series of three patients who underwent flap repositioning and mechanical debridement of epithelial ingrowth, all after an initial delayed diagnosis/treatment of dislocated LASIK flap. RESULTS: Visual improvement was noted in all three cases following LASIK flap repositioning and debridement of epithelial ingrowth; patient 1 improved from 20/800 corrected-distance-visual-acuity (CDVA) to 20/20 uncorrected-distance-visual-acuity (UDVA) postoperative (14 years post-LASIK, 5-week interval between injury and surgery), patient 2 improved from 20/50 CDVA to 20/20 CDVA (10 years post-LASIK, 4-month interval between injury and surgery) and patient 3 improved from 20/80 CDVA to 20/60 CDVA (7 years post-LASIK, 14-month interval between injury and surgery)...
May 12, 2018: International Ophthalmology
https://www.readbyqxmd.com/read/29751965/de-labeling-of-%C3%AE-lactam-allergy-reduces-intraoperative-time-and-optimizes-choice-in-antibiotic-prophylaxis
#20
Yara Moussa, Joseph Shuster, Gilbert Matte, Andrew Sullivan, Robert H Goldstein, Dayle Cunningham, Moshe Ben-Shoshan, Gabriele Baldini, Francesco Carli, Christos Tsoukas
BACKGROUND: Suspected penicillin allergic individuals receive suboptimal non-β-lactams for intraoperative prophylaxis which may prolong operations and have negative clinical outcomes. We therefore studied if β-lactam de-labeling optimized choice of prophylactic antibiotics and improved intraoperative time efficiency. METHODS: A multistep approach was used. It included a risk assessment tool by an allergist, β-lactam skin testing and oral provocation. To determine the value of de-labeling, we appraised intraoperative antibiotic choices and correlated them with time to first incision...
May 8, 2018: Surgery
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