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https://www.readbyqxmd.com/read/29331073/cerebrospinal-fluid-macrophage-biomarkers-in-amyotrophic-lateral-sclerosis
#1
A G Thompson, E Gray, M-L Thézénas, P D Charles, S Evetts, M T Hu, K Talbot, R Fischer, B M Kessler, M R Turner
Objective The neurodegenerative disease amyotrophic lateral sclerosis (ALS) is a heterogeneous clinical syndrome involving multiple molecular pathways. The development of biomarkers for use in therapeutic trials is a priority. We sought to use a high-throughput proteomic method to identify novel biomarkers in individual cerebrospinal fluid samples. Methods Liquid chromatography-tandem mass spectrometry with label-free quantification was used to identify cerebrospinal fluid proteins using samples from a well-characterised longitudinal cohort comprising patients with ALS (n=43), the upper motor neuron variant primary lateral sclerosis (PLS, n=6), cross-sectional healthy (n=20) and disease controls (Parkinsons's n=20, ALS mimic disorders n=12)...
January 13, 2018: Annals of Neurology
https://www.readbyqxmd.com/read/29331035/noninvasive-optical-spectroscopy-for-identification-of-non-melanoma-skin-cancer-pilot-study
#2
David J Carpenter, Mirabelle B Sajisevi, Nikita Chapurin, Clifford Scott Brown, Tracy Cheng, Gregory M Palmer, Daniel S Stevenson, Caroline L Rao, Russell P Hall, Charles R Woodard
OBJECTIVE: Optical spectroscopy offers a noninvasive alternative to biopsy as a first-line screening tool for suspicious skin lesions. This study sought to define several optical parameters across malignant and benign tissue types. STUDY DESIGN: Prospective pilot trial utilizing the Zenalux IM1 optical spectroscopy device from April 2016 to February 2017. For each skin lesion, provider pre-biopsy probability of malignancy was compared to histolopathologic diagnosis...
January 13, 2018: Lasers in Surgery and Medicine
https://www.readbyqxmd.com/read/29330670/treatment-of-partial-thickness-rotator-cuff-tears-in-overhead-athletes
#3
REVIEW
Joseph N Liu, Grant H Garcia, Anirudh K Gowd, Brandon C Cabarcas, Michael D Charles, Anthony A Romeo, Nikhil N Verma
PURPOSE OF REVIEW: To review the etiology, classification, presentation, evaluation, treatment strategy, and outcomes in overhead athletes with partial thickness rotator cuff tears. RECENT FINDINGS: Despite advances in surgical repair techniques, return to play following surgical repair of partial rotator cuff tears remains modest at best. Overhead athletes may be particularly prone to rotator cuff pathology due to the supraphysiological strains within the tendon during the throwing motion, as well as mechanical stress with contact between the undersurface of the rotator cuff and the glenoid...
January 13, 2018: Current Reviews in Musculoskeletal Medicine
https://www.readbyqxmd.com/read/29330668/impact-of-duplicate-ct-scan-rate-after-implementation-of-transfer-image-repository-system-at-a-level-1-trauma-center
#4
Charles W Sheppard, Amy L Groll, Cindy L Austin, Simon J Thompson
PURPOSE: The regionalization of trauma in the USA results in frequent transfers of patients from a primary hospital ED to a higher level trauma facility. While many hospitals have a Picture Archive Communication System (PACS) which captures digital radiological images, these are often not available to the receiving institution resulting in duplicate imaging. The state of Arkansas instituted a trauma image repository (TIR) in July 2013. We examined whether implementation of this repository would impact CT scan duplication in the trauma system...
January 12, 2018: Emergency Radiology
https://www.readbyqxmd.com/read/29330633/a-seven-center-examination-of-the-relationship-between-monthly-volume-and-mortality-in-trauma-a-hypothesis-generating-study
#5
Stanislaw P Stawicki, Keith Habeeb, Niels D Martin, M Shay O'Mara, James Cipolla, David C Evans, Creagh Boulger, Babak Sarani, Charles H Cook, Alok Gupta, William S Hoff, Peter G Thomas, Jeffrey M Jordan, Weidun Alan Guo, Mark J Seamon
INTRODUCTION: The relationship between trauma volumes and patient outcomes continues to be controversial, with limited data available regarding the effect of month-to-month trauma volume variability on clinical results. This study examines the relationship between monthly trauma volume variations and patient mortality at seven Level I Trauma Centers located in the Eastern United States. We hypothesized that higher monthly trauma volumes may be associated with lower corresponding mortality...
January 12, 2018: European Journal of Trauma and Emergency Surgery: Official Publication of the European Trauma Society
https://www.readbyqxmd.com/read/29330589/impact-of-valve-less-vs-standard-insufflation-on-pneumoperitoneum-volume-inflammation-and-peritoneal-physiology-in-a-laparoscopic-sigmoid-resection-experimental-model
#6
Michele Diana, Eric Noll, Andras Legnèr, Seong-Ho Kong, Yu-Yin Liu, Luigi Schiraldi, Francesco Marchegiani, Jordan Bano, Bernard Geny, Anne-Laure Charles, Bernard Dallemagne, Véronique Lindner, Didier Mutter, Pierre Diemunsch, Jacques Marescaux
BACKGROUND: Standard insufflators compensate for intra-abdominal pressure variations with pressure spikes. Our aim was to evaluate the impact of a stable, low-pressure pneumoperitoneum induced by a valve-less insufflator, on working space, hemodynamics, inflammation, and peritoneal physiology, in a model of laparoscopic sigmoid resection. MATERIALS AND METHODS: Twelve pigs (47 ± 3.3 kg) were equipped for invasive hemodynamic monitoring and randomly assigned to Standard (n = 6) vs...
January 12, 2018: Surgical Endoscopy
https://www.readbyqxmd.com/read/29330581/-liposuction
#7
D Schlarb
Liposuction began in the 1920s when the Parisian surgeon Charles Dujarier became interested in body shaping and fat removal. Today, it is estimated that 1,453,000 liposuctions are annually performed worldwide. In Germany, 45,000 liposuctions are performed annually. The majority of liposuctions are performed as self-pay services. The aim of this article is to outline the development of liposuction, to explain the various liposuction procedures and methods, to clarify the indications for treatment, and point out the complications and pitfalls described in the literature...
January 12, 2018: Der Hautarzt; Zeitschrift Für Dermatologie, Venerologie, und Verwandte Gebiete
https://www.readbyqxmd.com/read/29330533/soil-contamination-alters-the-willow-root-and-rhizosphere-metatranscriptome-and-the-root-rhizosphere-interactome
#8
Etienne Yergeau, Julien Tremblay, Simon Joly, Michel Labrecque, Christine Maynard, Frederic E Pitre, Marc St-Arnaud, Charles W Greer
Phytoremediation using willows is thought to be a sustainable alternative to traditional remediation techniques involving excavation, transport, and landfilling. However, the complexity of the interaction between the willow and its associated highly diverse microbial communities makes the optimization of phytoremediation very difficult. Here, we have sequenced the rhizosphere metatranscriptome of four willow species and the plant root metatranscriptome for two willow species growing in petroleum hydrocarbon-contaminated and non-contaminated soils on a former petroleum refinery site...
January 12, 2018: ISME Journal
https://www.readbyqxmd.com/read/29330466/target-engagement-imaging-of-parp-inhibitors-in-small-cell-lung-cancer
#9
Brandon Carney, Susanne Kossatz, Benjamin H Lok, Valentina Schneeberger, Kishore K Gangangari, Naga Vara Kishore Pillarsetty, Wolfgang A Weber, Charles M Rudin, John T Poirier, Thomas Reiner
Insufficient chemotherapy response and rapid disease progression remain concerns for small-cell lung cancer (SCLC). Oncologists rely on serial CT scanning to guide treatment decisions, but this cannot assess in vivo target engagement of therapeutic agents. Biomarker assessments in biopsy material do not assess contemporaneous target expression, intratumoral drug exposure, or drug-target engagement. Here, we report the use of PARP1/2-targeted imaging to measure target engagement of PARP inhibitors in vivo. Using a panel of clinical PARP inhibitors, we show that PARP imaging can quantify target engagement of chemically diverse small molecule inhibitors in vitro and in vivo...
January 12, 2018: Nature Communications
https://www.readbyqxmd.com/read/29330365/engineered-nanointerfaces-for-microfluidic-isolation-and-molecular-profiling-of-tumor-specific-extracellular-vesicles
#10
Eduardo Reátegui, Kristan E van der Vos, Charles P Lai, Mahnaz Zeinali, Nadia A Atai, Berent Aldikacti, Frederick P Floyd, Aimal H Khankhel, Vishal Thapar, Fred H Hochberg, Lecia V Sequist, Brian V Nahed, Bob S Carter, Mehmet Toner, Leonora Balaj, David T Ting, Xandra O Breakefield, Shannon L Stott
Extracellular vesicles (EVs) carry RNA, DNA, proteins, and lipids. Specifically, tumor-derived EVs have the potential to be utilized as disease-specific biomarkers. However, a lack of methods to isolate tumor-specific EVs has limited their use in clinical settings. Here we report a sensitive analytical microfluidic platform (EVHB-Chip) that enables tumor-specific EV-RNA isolation within 3 h. Using the EVHB-Chip, we achieve 94% tumor-EV specificity, a limit of detection of 100 EVs per μL, and a 10-fold increase in tumor RNA enrichment in comparison to other methods...
January 12, 2018: Nature Communications
https://www.readbyqxmd.com/read/29330311/necrosis-in-anti-srp-and-anti-hmgcr-myopathies-role-of-autoantibodies-and-complement
#11
Yves Allenbach, Louiza Arouche-Delaperche, Corinna Preusse, Helena Radbruch, Gillian Butler-Browne, Nicolas Champtiaux, Kuberaka Mariampillai, Aude Rigolet, Peter Hufnagl, Norman Zerbe, Damien Amelin, Thierry Maisonobe, Sarah Louis-Leonard, Charles Duyckaerts, Bruno Eymard, Hans-Hilmar Goebel, Cecile Bergua, Laurent Drouot, Olivier Boyer, Olivier Benveniste, Werner Stenzel
OBJECTIVE: To characterize muscle fiber necrosis in immune-mediated necrotizing myopathies (IMNM) with anti-signal recognition particle (SRP) or anti-3-hydroxy-3-methylglutarylcoenzyme A reductase (HMGCR) antibodies and to explore its underlying molecular immune mechanisms. METHODS: Muscle biopsies from patients with IMNM were analyzed and compared to biopsies from control patients with myositis. In addition to immunostaining and reverse transcription PCR on muscle samples, in vitro immunostaining on primary muscle cells was performed...
January 12, 2018: Neurology
https://www.readbyqxmd.com/read/29330272/spontaneous-splenic-rupture-as-a-rare-complication-of-g-csf-injection
#12
Soraya Benguerfi, Fanny Thepault, Hervé Lena, Charles Ricordel
Splenic rupture is an infrequent and underdiagnosed side effect of granylocyte colony-stimulating factor (G-CSF). We report the case of a 54-year-old woman with brain and bone metastasis in a lung adenocarcinoma who was admitted for faintness 28 days after a G-CSF injection. Abdominal CT scan confirmed the diagnosis of splenic rupture. A conservative treatment was chosen using a peritoneal cleansing during laparoscopic surgery. Clinicians should be aware of this rare toxicity as it could be severe, but easily reversible using appropriate surgical treatment...
January 12, 2018: BMJ Case Reports
https://www.readbyqxmd.com/read/29330212/early-and-locally-advanced-metaplastic-breast-cancer-presentation-and-survival-by-receptor-status-in-surveillance-epidemiology-and-end-results-seer-2010-2014
#13
Mary C Schroeder, Priya Rastogi, Charles E Geyer, Lance D Miller, Alexandra Thomas
BACKGROUND: Metaplastic breast cancer (MBC) is a rare disease subtype characterized by an aggressive clinical course. MBC is commonly triple negative (TN), although hormone receptor (HR) positive and human epidermal growth receptor 2 (HER2) positive cases do occur. Previous studies have reported similar outcomes for MBC with regard to HR status. Less is known about outcomes for HER2 positive MBC. MATERIALS AND METHODS: Surveillance, Epidemiology, and End Results Program data were used to identify women diagnosed 2010-2014 with MBC or invasive ductal carcinoma (IDC)...
January 12, 2018: Oncologist
https://www.readbyqxmd.com/read/29330042/differences-in-the-ct-findings-between-vulnerable-plaque-and-culprit-lesions-in-acute-coronary-syndrome
#14
Eun Ju Chun, Jin Hee Han, Seung Min Yoo, Hwa Yeon Lee, In Sup Song, Charles S White
BACKGROUND: The CT finding of "vulnerable plaque" is widely regarded as similar to that of a culprit lesion in an acute coronary syndrome (ACS). However, this hypothesis may not be accurate, since "vulnerable plaques" may substantially change their morphology when they rupture to cause an ACS. METHODS: We retrospectively evaluated coronary CT angiography data sets of 25 patients with ACS who had vulnerable (n = 10) or culprit plaques (n = 15). We analyzed CT features including positive remodeling (PR), low attenuation plaque (LAP), the napkin ring sign (NRS), degree of stenosis (normal, <50%, 50-99%, 100%), and myocardial hypoperfusion in the left ventricle...
January 5, 2018: Journal of Cardiovascular Computed Tomography
https://www.readbyqxmd.com/read/29329970/a-prospective-study-on-the-association-of-sleep-duration-with-grip-strength-among-middle-aged-and-older-chinese
#15
Tianyu Wang, Yili Wu, Tong Wang, Yujie Li, Dongfeng Zhang
BACKGROUND: Longitudinal studies on sleep duration and grip strength decline are limited. This study aimed to evaluate the associations of baseline sleep duration with follow-up grip strength and grip strength changeover time among a large sample of middle-aged and older Chinese. METHODS: Data from China Health and Retirement Longitudinal Study, CHARLS (2011-2015), were analyzed. Hand grip strength was measured by dynamometers twice with 4 years interval. Baseline self-reported nighttime sleep duration was collected by questionnaire...
January 9, 2018: Experimental Gerontology
https://www.readbyqxmd.com/read/29329759/treatment-outcomes-of-macrolide-susceptible-mycobacterium-abscessus-lung-disease
#16
Hayoung Choi, Byung Woo Jhun, Su-Young Kim, Dae Hun Kim, Hyun Lee, Kyeongman Jeon, O Jung Kwon, Hee Jae Huh, Chang-Seok Ki, Nam Yong Lee, Sung Jae Shin, Charles L Daley, Won-Jung Koh
Mycobacterium abscessus lung disease is difficult to treat due to inducible resistance to macrolides. However, 15%-20% of isolates are macrolide susceptible. In 14 patients with macrolide-susceptible M. abscessus lung disease, all isolates had nonfunctional erm(41) gene, and sputum culture conversion rate was achieved in 93% (13/14) following antibiotic therapy.
December 16, 2017: Diagnostic Microbiology and Infectious Disease
https://www.readbyqxmd.com/read/29329687/bubble-induced-color-doppler-feedback-correlates-with-histotripsy-induced-destruction-of-structural-components-in-liver-tissue
#17
Jonathan J Macoskey, Xi Zhang, Timothy L Hall, Jiaqi Shi, Shahaboddin Alahyari Beig, Eric Johnsen, Fred T Lee, Charles A Cain, Zhen Xu
Bubble-induced color Doppler (BCD) is a histotripsy-therapy monitoring technique that uses Doppler ultrasound to track the motion of residual cavitation nuclei that persist after the collapse of the histotripsy bubble cloud. In this study, BCD is used to monitor tissue fractionation during histotripsy tissue therapy, and the BCD signal is correlated with the destruction of structural and non-structural components identified histologically to further understand how BCD monitors the extent of treatment. A 500-kHz, 112-element phased histotripsy array is used to generate approximately 6- × 6- × 7-mm lesions within ex vivo bovine liver tissue by scanning more than 219 locations with 30-1000 pulses per location...
January 9, 2018: Ultrasound in Medicine & Biology
https://www.readbyqxmd.com/read/29329498/treatment-outcomes-of-acute-bipolar-depressive-episode-with-psychosis
#18
Marco Antonio Caldieraro, Steven Dufour, Louisa G Sylvia, Keming Gao, Terence A Ketter, William V Bobo, Samantha Walsh, Jessica Janos, Mauricio Tohen, Noreen A Reilly-Harrington, Susan L McElroy, Richard C Shelton, Charles L Bowden, Thilo Deckersbach, Andrew A Nierenberg
BACKGROUND: The impact of psychosis on the treatment of bipolar depression is remarkably understudied. The primary aim of this study was to compare treatment outcomes of bipolar depressed individuals with and without psychosis. The secondary aim was to compare the effect of lithium and quetiapine, each with adjunctive personalized treatments (APTs), in the psychotic subgroup. METHODS: We assessed participants with DSM-IV bipolar depression included in a comparative effectiveness study of lithium and quetiapine with APTs (the Bipolar CHOICE study)...
January 12, 2018: Depression and Anxiety
https://www.readbyqxmd.com/read/29329396/patient-level-benefits-associated-with-decentralization-of-antiretroviral-therapy-services-to-primary-health-facilities-in-malawi-and-uganda
#19
George Abongomera, Levison Chiwaula, Paul Revill, Travor Mabugu, Edward Tumwesige, Misheck Nkhata, Fabian Cataldo, J van Oosterhout, Robert Colebunders, Adrienne K Chan, Cissy Kityo, Charles Gilks, James Hakim, Janet Seeley, Diana M Gibb, Deborah Ford
Background: The Lablite project captured information on access to antiretroviral therapy (ART) at larger health facilities ('hubs') and lower-level health facilities ('spokes') in Phalombe district, Malawi and in Kalungu district, Uganda. Methods: We conducted a cross-sectional survey among patients who had transferred to a spoke after treatment initiation (Malawi, n=54; Uganda, n=33), patients who initiated treatment at a spoke (Malawi, n=50; Uganda, n=44) and patients receiving treatment at a hub (Malawi, n=44; Uganda, n=46)...
January 10, 2018: International Health
https://www.readbyqxmd.com/read/29329346/evaluation-of-bloodstream-infections-clostridium-difficile-infections-and-gut-microbiota-in-pediatric-oncology-patients
#20
Bryan T Nycz, Samuel R Dominguez, Deborah Friedman, Joanne M Hilden, Diana Ir, Charles E Robertson, Daniel N Frank
Bloodstream infections (BSI) and Clostridium difficile infections (CDI) in pediatric oncology/hematology/bone marrow transplant (BMT) populations are associated with significant morbidity and mortality. The objective of this study was to explore possible associations between altered microbiome composition and the occurrence of BSI and CDI in a cohort of pediatric oncology patients. Stool samples were collected from all patients admitted to the pediatric oncology floor from Oct.-Dec. 2012. Bacterial profiles from patient stools were determined by bacterial 16S rRNA gene profiling...
2018: PloS One
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