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https://www.readbyqxmd.com/read/28340309/analytical-techniques-in-lipidomics-state-of-the-art
#1
Kamil Jurowski, Kamila Kochan, Justyna Walczak, Małgorzata Barańska, Wojciech Piekoszewski, Bogusław Buszewski
Current studies related to lipid identification and determination, or lipidomics in biological samples, are one of the most important issues in modern bioanalytical chemistry. There are many articles dedicated to specific analytical strategies used in lipidomics in various kinds of biological samples. However, in such literature, there is lack of articles dedicated to a comprehensive review of the actual analytical methodologies used in lipidomics. The aim of this article is to characterize the lipidomics methods used in modern bioanalysis according to the methodological point of view: 1) chromatography/separation methods, 2) spectroscopic methods and 3) mass spectrometry and also hyphenated methods...
March 24, 2017: Critical Reviews in Analytical Chemistry
https://www.readbyqxmd.com/read/28340306/the-effects-of-positive-end-expiratory-pressure-at-different-levels-on-postoperative-respiration-parameters-in-patients-undergoing-laparoscopic-cholecystectomy
#2
Bahadır Ciftci, Mehmet Aksoy, Ilker Ince, Ali Ahıskalıoglu, Elif Yılmazel Ucar
Purpose/Aim of the study: We investigated the effects of different positive end-expiratory pressure (PEEP) levels on postoperative respiration parameters in patients undergoing laparoscopic cholecystectomy. MATERIALS AND METHODS: One hundred and five consecutive patients were randomly divided to three groups (n = 35, for each group). Group I did not receive PEEP whereas group II received PEEP as 5 cmH2O and group III received PEEP as 8 cm H2O. Measurements with spirometer were taken 1 hour before the operation (T1) and, 1 (T2), 6 (T3), and 24 hours (T4) after extubation by an anesthetist...
March 24, 2017: Journal of Investigative Surgery: the Official Journal of the Academy of Surgical Research
https://www.readbyqxmd.com/read/28340204/changes-in-pain-and-muscle-architecture-in-colon-cancer-survivors-after-a-lumbopelvic-exercise-program-a-secondary-analysis-of-a-randomized-controlled-trial
#3
Irene Cantarero-Villanueva, Antonio I Cuesta-Vargas, Mario Lozano-Lozano, Carolina Fernández-Lao, Antonio Fernández-Pérez, Noelia Galiano-Castillo
Objective.:  To investigate the efficacy of an eight-week lumbopelvic stabilization program (CO-CUIDATE) for colon cancer survivors. Design.:  A secondary analysis of a randomized controlled clinical trial. Settings.:  A blinded, trained researcher performed the end point assessments for pain (Pressure Pain Threshold and Brief Pain Inventory) and muscle architecture (ultrasound imaging measurements). Subjects.:  Forty-six colon cancer survivors who were assigned to the CO-CUIDATE group or usual care group...
March 6, 2017: Pain Medicine: the Official Journal of the American Academy of Pain Medicine
https://www.readbyqxmd.com/read/28340147/evoked-pressure-pain-sensitivity-is-associated-with-differential-analgesic-response-to-verum-and-sham-acupuncture-in-fibromyalgia
#4
Noah A Zucker, Alex Tsodikov, Scott D Mist, Stephen Cina, Vitaly Napadow, Richard E Harris
Objective.:  Fibromyalgia is a chronic pain condition with few effective treatments. Many fibromyalgia patients seek acupuncture for analgesia; however, its efficacy is limited and not fully understood. This may be due to heterogeneous pathologies among participants in acupuncture clinical trials. We hypothesized that pressure pain tenderness would differentially classify treatment response to verum and sham acupuncture in fibromyalgia patients. Design.:  Baseline pressure pain sensitivity at the thumbnail at baseline was used in linear mixed models as a modifier of differential treatment response to sham versus verum acupuncture...
March 15, 2017: Pain Medicine: the Official Journal of the American Academy of Pain Medicine
https://www.readbyqxmd.com/read/28339397/cognitive-status-gray-matter-atrophy-and-lower-orthostatic-blood-pressure-in-older-adults
#5
Celia O'Hare, Rose-Anne Kenny, Howard Aizenstein, Robert Boudreau, Anne Newman, Lenore Launer, Suzanne Satterfield, Kristine Yaffe, Caterina Rosano
BACKGROUND: Associations between orthostatic blood pressure and cognitive status (CS) have been described with conflicting results. OBJECTIVE: We hypothesize that long-term exposure to lower orthostatic blood pressure is related to having worse CS later in life and that atrophy of regions involved in central regulation of autonomic function mediate these associations. METHODS: Three-to-four measures of orthostatic blood pressure were obtained from 1997-2003 in a longitudinal cohort of aging, and average systolic orthostatic blood pressure response (ASOBPR) was computed as % change in systolic blood pressure from sit-to-stand measured at one minute post stand...
March 20, 2017: Journal of Alzheimer's Disease: JAD
https://www.readbyqxmd.com/read/28339394/global-and-regional-assessment-of-sustained-inflation-pressure-volume-curves-in-patients-with-acute-respiratory-distress-syndrome
#6
Tobias Becher, Philipp Rostalski, Matthias Kott, Andy Adler, Dirk Schadler, Norbert Weiler, Inez Frerichs
Static or quasi-static pressure-volume (P-V) curves can be used to determine the lung mechanical properties of patients suffering from acute respiratory distress syndrome (ARDS). According to the traditional interpretation, lung recruitment occurs mainly below the lower point of maximum curvature (LPMC) of the inflation P-V curve. Although some studies have questioned this assumption, setting of positive end-expiratory pressure 2 cmH2O above the LPMC was part of a "lung-protective" ventilation strategy successfully applied in several clinical trials...
March 24, 2017: Physiological Measurement
https://www.readbyqxmd.com/read/28334767/discomfort-during-bronchoscopy-performed-after-endobronchial-intubation-with-fentanyl-and-midazolam-a-prospective-study
#7
Daisuke Minami, Nagio Takigawa, Hirohisa Kano, Takashi Ninomiya, Toshio Kubo, Eiki Ichihara, Kadoaki Ohashi, Akiko Sato, Katsuyuki Hotta, Masahiro Tabata, Mitsune Tanimoto, Katsuyuki Kiura
Objective: Although endobronchial intubation during a bronchoscopic examination is useful for invasive procedures, it is not routine practice in Japan. The present study evaluated discomfort due to endobronchial intubation using fentanyl and midazolam sedation during bronchoscopy. Methods: Thirty-nine patients were enrolled prospectively from November 2014 to September 2015 at Okayama University Hospital. Fentanyl (20 µg) was administered to the patients just before endobronchial intubation, and fentanyl (10 µg) and midazolam (1 mg) were added as needed during the procedure...
February 23, 2017: Japanese Journal of Clinical Oncology
https://www.readbyqxmd.com/read/28334448/carotid-artery-bursting-pressure-and-seal-time-after-multiple-uses-of-a-vessel-sealing-device
#8
Jocelin S Blake, Brian J Trumpatori, Kyle G Mathews, Emily H Griffith
OBJECTIVE: To determine any loss of function of a single-use bipolar vessel sealing device after repeated sterilization and use on canine carotid arteries. STUDY DESIGN: Ex vivo; randomized block design (dog). SAMPLE POPULATION: Carotid artery segments (n = 90) from 15 canine cadavers. METHODS: Six 10-mm LigaSure Atlas 20 cm devices (Covidien Inc, Minneapolis, Minnesota) were used to seal canine carotid artery segments in one cadaver, then resterilized using ethylene oxide and reused in a second cadaver, and so on, for a total of 15 uses/15 cadavers per LigaSure...
March 23, 2017: Veterinary Surgery: VS
https://www.readbyqxmd.com/read/28333326/new-high-dose-pulsed-hyaluronidase-protocol-for-hyaluronic-acid-filler-vascular-adverse-events
#9
Claudio DeLorenzi
The purpose of this article is to update the changes to the author's protocols used to manage acute filler related vascular events from those previously published in this journal. For lack of a better term, this new protocol has been called the High Dose Pulsed Hyaluronidase (HDPH) protocol for vascular embolic events with hyaluronic acid (HA) fillers. The initial protocol used involved many different modalities of treatment. The current protocol is exceedingly simple and involves solely the use of hyaluronidase in repeated high doses...
March 17, 2017: Aesthetic Surgery Journal
https://www.readbyqxmd.com/read/28332069/dairy-cows-change-locomotion-score-and-sensitivity-to-pain-with-trimming-and-infectious-or-non-infectious-lesions
#10
L T Passos, E A da Cruz, V Fischer, G C da Porciuncula, D Werncke, A G C Dalto, M T Stumpf, E F Vizzotto, I D B da Silveira
Lameness can negatively affect production, but there is still controversy about the perception of pain in dairy cows. This study aimed to verify the effects of hoof affections in dairy cows on locomotion score, physiological attributes, pressure nociceptive threshold, and thermographic variables, as well as assess improvement on these variables after corrective trimming and treatment. Thirty-four lame lactating cows were gait-scored, and all cows with locomotion score ≥4 were retained for this study 1 day before trimming...
March 22, 2017: Tropical Animal Health and Production
https://www.readbyqxmd.com/read/28331371/vacuum-assisted-cesarean-section
#11
REVIEW
Ross W McQuivey, Jon E Block
There has been a dramatic rise in the frequency of cesarean sections, surpassing 30% of all deliveries in the US. This upsurge, coupled with a decreasing willingness to allow vaginal birth after cesarean section, has resulted in an expansion of the use of vacuum assistance to safely extract the fetal head. By avoiding the use of a delivering hand or forceps blade, the volume being delivered through the uterine incision can be decreased when the vacuum is used properly. Reducing uterine extensions with their associated complications (eg, excessive blood loss) in difficult cases is also a theoretical advantage of vacuum delivery...
2017: International Journal of Women's Health
https://www.readbyqxmd.com/read/28331175/unraveling-the-mystery-of-hearing-in-gerbil-and-other-rodents-with-an-arch-beam-model-of-the-basilar-membrane
#12
Santosh Kapuria, Charles R Steele, Sunil Puria
The mammalian basilar membrane (BM) consists of two collagen-fiber layers responsible for the frequency-to-place tonotopic mapping in the cochlea, which together form a flat beam over at least part of the BM width. The mechanics of hearing in rodents such as gerbil pose a challenge to our understanding of the cochlea, however, because for gerbil the two layers separate to form a pronounced arch over the remaining BM width. Moreover, the thickness and total width normally thought to determine the local stiffness, and tonotopic mapping in turn, change little along the cochlear length...
March 22, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28330950/pressure-overload-leads-to-an-increased-accumulation-and-activity-of-mast-cells-in-the-right-ventricle
#13
Himal Luitel, Akylbek Sydykov, Yves Schymura, Argen Mamazhakypov, Wiebke Janssen, Kabita Pradhan, Astrid Wietelmann, Djuro Kosanovic, Bhola Kumar Dahal, Norbert Weissmann, Werner Seeger, Friedrich Grimminger, Hossein Ardeschir Ghofrani, Ralph Theo Schermuly
Right ventricular (RV) remodeling represents a complex set of functional and structural adaptations in response to chronic pressure or volume overload due to various inborn defects or acquired diseases and is an important determinant of patient outcome. However, the underlying molecular mechanisms remain elusive. We investigated the time course of structural and functional changes in the RV in the murine model of pressure overload-induced RV hypertrophy in C57Bl/6J mice. Using magnetic resonance imaging, we assessed the changes of RV structure and function at different time points for a period of 21 days...
March 2017: Physiological Reports
https://www.readbyqxmd.com/read/28330737/optimizing-the-assessment-of-pediatric-injury-severity-in-low-resource-settings-consensus-generation-through-a-modified-delphi-analysis
#14
Etienne St-Louis, Dan Leon Deckelbaum, Robert Baird, Tarek Razek
INTRODUCTION: Although a plethora of pediatric injury severity scoring systems is available, many of them present important challenges and limitations in the low resource setting. Our aim is to generate consensus among a group of experts regarding the optimal parameters, outcomes, and methods of estimating injury severity for pediatric trauma patients in low resource settings. MATERIALS AND METHODS: A systematic review of the literature was conducted to identify and compare existing injury scores used in pediatric patients...
March 15, 2017: Injury
https://www.readbyqxmd.com/read/28328817/retrospective-analysis-of-the-overt-proteinuria-diabetic-kidney-disease-in-the-treatment-of-modified-shenzhuo-formula-for-2-years
#15
Hongdong Chen, Jing Guo, Xuemin Zhao, Xinhui He, Zhongchen He, Linhua Zhao, Xiaolin Tong
The objective of the present study was to evaluate the 2-year effectiveness of modified Shenzhuo formula in the treatment of overt proteinuria diabetic kidney disease (DKD).Patients diagnosed with type 2 DKD in the clinical research database of Prof Xiaolin Tong (>20,000 data points) with >1-year follow-up were screened for this study. Patients' demographic data, chief complaint, present illness, past history, allergic history, personal history, family history, test results, tongue images, pulse information, and prescription information at 1, 1...
March 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28328632/use-of-processed-nerve-allografts-to-repair-nerve-injuries-greater-than-25-mm-in-the-hand
#16
Brian Rinker, Jozef Zoldos, Renata V Weber, Jason Ko, Wesley Thayer, Jeffrey Greenberg, Fraser J Leversedge, Bauback Safa, Gregory Buncke
Processed nerve allografts (PNAs) have been demonstrated to have improved clinical results compared with hollow conduits for reconstruction of digital nerve gaps less than 25 mm; however, the use of PNAs for longer gaps warrants further clinical investigation. Long nerve gaps have been traditionally hard to study because of low incidence. The advent of the RANGER registry, a large, institutional review board-approved, active database for PNA (Avance Nerve Graft; AxoGen, Inc, Alachua, FL) has allowed evaluation of lower incidence subsets...
March 21, 2017: Annals of Plastic Surgery
https://www.readbyqxmd.com/read/28328574/the-long-term-reliability-of-static-and-dynamic-quantitative-sensory-testing-in-healthy-individuals
#17
Anna Marcuzzi, Paul J Wrigley, Catherine M Dean, Roger Adams, Julia M Hush
Quantitative sensory tests (QST) have been increasingly used to investigate alterations in somatosensory function in a wide range of painful conditions. The interpretation of these findings is based on the assumption that the measures are stable and reproducible. To date, reliability of QST has been investigated for short test-retest intervals. The aim of this study was to investigate the long-term reliability of a multimodal QST assessment in healthy people, with testing conducted on three occasions over 4-months...
March 21, 2017: Pain
https://www.readbyqxmd.com/read/28327533/flexible-piezoresistive-sensors-embedded-in-3d-printed-tires
#18
Md Omar Faruk Emon, Jae-Won Choi
In this article, we report the development of a flexible, 3D printable piezoresistive pressure sensor capable of measuring force and detecting the location of the force. The multilayer sensor comprises of an ionic liquid-based piezoresistive intermediate layer in between carbon nanotube (CNT)-based stretchable electrodes. A sensor containing an array of different sensing units was embedded on the inner liner surface of a 3D printed tire to provide with force information at different points of contact between the tire and road...
March 22, 2017: Sensors
https://www.readbyqxmd.com/read/28327093/continuous-non-invasive-finger-cuff-caretaker%C3%A2-comparable-to-invasive-intra-arterial-pressure-in-patients-undergoing-major-intra-abdominal-surgery
#19
Irwin Gratz, Edward Deal, Francis Spitz, Martin Baruch, I Elaine Allen, Julia E Seaman, Erin Pukenas, Smith Jean
BACKGROUND: Despite increased interest in non-invasive arterial pressure monitoring, the majority of commercially available technologies have failed to satisfy the limits established for the validation of automatic arterial pressure monitoring by the Association for the Advancement of Medical Instrumentation (AAMI). According to the ANSI/AAMI/ISO 81060-2:2013 standards, the group-average accuracy and precision are defined as acceptable if bias is not greater than 5 mmHg and standard deviation is not greater than 8 mmHg...
March 21, 2017: BMC Anesthesiology
https://www.readbyqxmd.com/read/28326313/lung-volume-recruitment-acutely-increases-respiratory-system-compliance-in-individuals-with-severe-respiratory-muscle-weakness
#20
Yannick Molgat-Seon, Liam M Hannan, Paolo B Dominelli, Carli M Peters, Renee J Fougere, Douglas A McKim, A William Sheel, Jeremy D Road
The aim of the present study was to determine whether lung volume recruitment (LVR) acutely increases respiratory system compliance (Crs) in individuals with severe respiratory muscle weakness (RMW). Individuals with RMW resulting from neuromuscular disease or quadriplegia (n=12) and healthy controls (n=12) underwent pulmonary function testing and the measurement of Crs at baseline, immediately after, 1 h after and 2 h after a single standardised session of LVR. The LVR session involved 10 consecutive supramaximal lung inflations with a manual resuscitation bag to the highest tolerable mouth pressure or a maximum of 50 cmH2O...
January 2017: ERJ Open Research
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