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Neil Blumberg, Jill M Cholette, Anthony P Pietropaoli, Richard Phipps, Sherry L Spinelli, Michael P Eaton, Suzie A Noronha, Jerard Seghatchian, Joanna M Heal, Majed A Refaai
Crystalloid infusion is widely employed in patient care for volume replacement and resuscitation. In the United States the crystalloid of choice is often normal saline. Surgeons and anesthesiologists have long preferred buffered solutions such as Ringer's Lactate and Plasma-Lyte A. Normal saline is the solution most widely employed in medical and pediatric care, as well as in hematology and transfusion medicine. However, there is growing concern that normal saline is more toxic than balanced, buffered crystalloids such as Plasma-Lyte and Lactated Ringer's...
February 21, 2018: Transfusion and Apheresis Science
Klaudia Pluta, Agnieszka Sobczak-Kupiec, Olga Półtorak, Dagmara Malina, Bożena Tyliszczak
Calcium phosphates (CPs) constitute attractive materials of biomedical applications. Among them particular attention is devoted to bioactive hydroxyapatite (HAp) and bioresorbable tricalcium phosphate (TCP) that possess ability to bind to living bones and can be used clinically as important bone substitutes. Notably, in vivo bone bioactivity can be predicted from apatite formation of bone immersed in SBF fluids. Thus, analyses of behavior of calcium phosphates immersed in various bio fluids are of great importance...
March 9, 2018: Journal of Biomedical Materials Research. Part A
Yexiang Sun, Chunyu Yuan, Xulin Chen, Fei Wang, Congsong Sun, Zhi Gao, Sheng Liu
OBJECTIVE: To investigate the effect of different concentrations of hypertonic saline solution (HS) on intestine injury in rats at the early stage of severe burn. METHODS: 104 adult healthy female Sprague-Dawley (SD) rats were randomly divided into five groups: sham group (n = 8), lactated Ringer solution (LR) group (n = 24) and 200, 300, 400 mmol/L HS group (HS200 group, HS300 group, HS400 group, all n = 24). All the rats in LR group and different concentrations of HS groups were scalded for 30% total body surface area (TBSA) with III degree, after immediately, the rats were given burn resuscitation therapy by LR or corresponding concentrations of HS through the tail vein...
March 2018: Zhonghua Wei Zhong Bing Ji Jiu Yi Xue
Yunxia O'Malley, Pavana G Rotti, Ian M Thornell, Oriana G Vanegas Calderón, Christopher Febres-Aldana, Katelin Durham, Jianrong Yao, Xiaopeng Li, Zheng Zhu, Andrew W Norris, Joseph Zabner, John F Engelhardt, Aliye Uc
Pancreatic ductular epithelial cells comprise the majority of duct cells in pancreas, control cystic fibrosis transmembrane conductance regulator (CFTR)-dependent bicarbonate [HCO3 - ] secretion, but are difficult to grow as a polarized monolayer. Using NIH-3T3-J2 fibroblast feeder cells and a Rho-associated kinase inhibitor, we produced well-differentiated and polarized porcine pancreatic ductular epithelial cells. Cells grown on semipermeable filters at air-liquid interface (ALI) developed typical epithelial cell morphology and stable transepithelial resistance (TER), expressed epithelial cell markers (zona occludens-1 and beta catenin), duct cell markers (SOX-9 and CFTR), but no acinar (amylase) or islet cell (chromogranin) markers...
March 8, 2018: Journal of Applied Physiology
Roberto Bini, Osvaldo Chiara, Stefania Cimbanassi, Giorgio Olivero, Antonella Trombetta, Paolo Cotogni
Background: Hemorrhagic shock (HS) is a major threat to patients with trauma and spontaneous bleeding. The aim of the study was to investigate early effects of vasopressin on metabolic and hemodynamic parameters and endothelium permeability by measuring capillary leakage compared to those of other resuscitation strategies in a HS model. Methods: Forty-five Sprague-Dawley rats were randomized into five groups: S group ( n  = 5), sham-operated rats without shock or resuscitation; HS group ( n  = 10), HS and no resuscitation; RL group ( n  = 10), HS and resuscitation with Ringer's lactate (RL); RLB group ( n  = 10), HS and resuscitation with two-third shed blood plus RL; and vasopressin group ( n  = 10), HS and resuscitation with RL, followed by continuous infusion of 0...
2018: World Journal of Emergency Surgery: WJES
Rebecca C Reader, Bruce A Barton, Amanda L Abelson
Objectives The aim of this study was to compare the quality of sedation and recovery, and ease of venepuncture following sedation for feline blood donation using two intramuscular (IM) sedation protocols: alfaxalone/butorphanol (AB) and dexmedetomidine/butorphanol (DB). Methods This was an experimental randomized, blinded, crossover study. Ten client-owned healthy cats were recruited to participate in the study. Cats were sedated with AB (alfaxalone 2 mg/kg and butorphanol 0.2 mg/kg) for one donation and DB (dexmedetomidine 10 μg/kg and butorphanol 0...
March 1, 2018: Journal of Feline Medicine and Surgery
Xinyue Gao, Qiang Tao, Xun Zhou, WeiFu Lei
PURPOSE: To compare the effects of fluid resuscitation with lactated Ringer's solution (LR) and saline-based 6% hydroxyethyl starch 130/0.4 (HES) on the inflammatory response and oxidative stress in the small intestine as well as on bacterial translocation to the liver. METHODS: Sprague-Dawley rats were subjected to blood pressure-controlled hemorrhagic shock and then resuscitated with LR or HES. At 1, 3, 6, 12, and 24 hr after resuscitation, liver tissues were collected to count the bacterial colonies, and small intestines were harvested to analyze the levels of inflammatory (TNF-α and HO-1) and oxidative stress (MPO) mediators as well as the intestinal injury by immunohistochemistry, colorimetry and hematoxylin & eosin staining, respectively...
March 6, 2018: Journal of Investigative Surgery: the Official Journal of the Academy of Surgical Research
D M Meléndez, S Marti, E A Pajor, D Moya, D Gellatly, E D Janzen, K S Schwartzkopf-Genswein
In Western-Canada, approximately half of the calves produced are castrated before 1 wk of age. Therefore, it is important to identify effective analgesic drugs to mitigate pain associated with castration and consequently improve animal welfare. The aim of this study was to assess the efficacy of a single s.c. dose of meloxicam at mitigating pain associated with knife and band castration in 1 wk old calves. Seventy-two Angus crossbred bull calves (47.3 ± 6.70 kg of BW, 1 wk old) were used in a 3 × 2 factorial design where main factors included castration method-sham (CT), band (BA) or knife (KN) castration-and medication-lactate ringer (NM) or 0...
February 28, 2018: Journal of Animal Science
Sandra Stein, Tobias Auel, Wiebke Kempin, Malte Bogdahn, Werner Weitschies, Anne Seidlitz
Sustained intravitreal dexamethasone (DX) administration with the FDA and EMA approved Ozurdex® implant is indicated for the treatment of macular edema and non-infectious uveitis. Since drug release after intravitreal application cannot be determined in vivo in human eyes, the characterization of drug release in vitro in addition to animal models is of great importance. The aim of this study was to provide information about the influence of the test method on the in vitro drug release from intravitreal model implants...
February 25, 2018: European Journal of Pharmaceutics and Biopharmaceutics
Wesley H Self, Matthew W Semler, Jonathan P Wanderer, Li Wang, Daniel W Byrne, Sean P Collins, Corey M Slovis, Christopher J Lindsell, Jesse M Ehrenfeld, Edward D Siew, Andrew D Shaw, Gordon R Bernard, Todd W Rice
BACKGROUND: Comparative clinical effects of balanced crystalloids and saline are uncertain, particularly in noncritically ill patients cared for outside an intensive care unit (ICU). METHODS: We conducted a single-center, pragmatic, multiple-crossover trial comparing balanced crystalloids (lactated Ringer's solution or Plasma-Lyte A) with saline among adults who were treated with intravenous crystalloids in the emergency department and were subsequently hospitalized outside an ICU...
March 1, 2018: New England Journal of Medicine
Matthew W Semler, Wesley H Self, Jonathan P Wanderer, Jesse M Ehrenfeld, Li Wang, Daniel W Byrne, Joanna L Stollings, Avinash B Kumar, Christopher G Hughes, Antonio Hernandez, Oscar D Guillamondegui, Addison K May, Liza Weavind, Jonathan D Casey, Edward D Siew, Andrew D Shaw, Gordon R Bernard, Todd W Rice
BACKGROUND: Both balanced crystalloids and saline are used for intravenous fluid administration in critically ill adults, but it is not known which results in better clinical outcomes. METHODS: In a pragmatic, cluster-randomized, multiple-crossover trial conducted in five intensive care units at an academic center, we assigned 15,802 adults to receive saline (0.9% sodium chloride) or balanced crystalloids (lactated Ringer's solution or Plasma-Lyte A) according to the randomization of the unit to which they were admitted...
March 1, 2018: New England Journal of Medicine
Joseph T Church, Elena M Perkins, Megan A Coughlin, Jennifer S McLeod, Katherine Boss, J Kelley Bentley, Marc B Hershenson, Raja Rabah, Robert H Bartlett, George B Mychaliska
BACKGROUND: Extremely premature neonates suffer high morbidity and mortality. An artificial placenta (AP) using extracorporeal life support (ECLS) is a promising therapy. OBJECTIVES: We hypothesized that intratracheal perfluorocarbon (PFC) instillation during AP support would reduce lung injury and promote lung development relative to intratracheal amniotic fluid or crystalloid. METHODS: Lambs at an estimated gestational age (EGA) 116-121 days (term 145 days) were placed on venovenous ECLS with jugular drainage and umbilical vein reinfusion and intubated...
February 23, 2018: Neonatology
Maxim Mokin, Angel Chinea, Christopher T Primiani, Zeguang Ren, Peter Kan, Visish M Srinivasan, Ricardo Hanel, Pedro Aguilar-Salinas, Aquilla S Turk, Raymond D Turner, M Imran Chaudry, Andrew J Ringer, Babu G Welch, Vitor Mendes Pereira, Leonardo Renieri, Mariangela Piano, Lucas Elijovich, Adam S Arthur, Ahmed Cheema, Demetrius Klee Lopes, Ahmed Saied, Blaise W Baxter, Harris Hawk, Ajit S Puri, Ajay K Wakhloo, Hussain Shallwani, Elad I Levy, Adnan H Siddiqui, Guilherme Dabus, Italo Linfante
BACKGROUND: Blood blister aneurysms (BBA) are a rare subset of intracranial aneurysms that represent a therapeutic challenge from both a surgical and endovascular perspective. OBJECTIVE: To report multicenter experience with flow diversion exclusively for BBA, located at non-branching segments along the anteromedial wall of the supraclinoidal internal carotid artery (ICA). METHODS: Consecutive cases of BBA located at non-branching segments along the anteromedial wall of the supraclinoidal ICA treated with flow diversion were included in the final analysis...
February 24, 2018: Journal of Neurointerventional Surgery
Holly M Romero, Coral Ringer, Michael G Leu, Elaine Beardsley, Karen Kelly, Megan D Fesinmeyer, Wren L Haaland, James B Johnson, Darren Migita
OBJECTIVES: Seattle Children's Hospital sought to optimize the value equation for neonatal jaundice patients by creating a standard care pathway. METHODS: An evidence-based pathway for management of neonatal jaundice was created. This included multidisciplinary team assembly, comprehensive literature review, creation of a treatment algorithm and computer order sets, formulation of goals and metrics, roll-out of an education program for end users, and ongoing pathway improvement...
February 21, 2018: Pediatrics
Xiaoyu Lou, Guanzhen Lu, Mingming Zhao, Peiying Jin
Fluid resuscitation was used on aged patients with traumatic shock in their early postoperative recovery. The present study aimed to assess whether different fluid resuscitation strategies had an influence on aged patients with traumatic shock.A total of 219 patients with traumatic shock were recruited retrospectively. Lactated Ringer and hydroxyethyl starch solution were transfused for fluid resuscitation before definite hemorrhagic surgery. Subjects were divided into 3 groups: group A: 72 patients were given aggressive fluid infusion at 20 to 30 mL/min to restore normal mean arterial pressure (MAP) of 65 to 75 mm Hg...
February 2018: Medicine (Baltimore)
M Szlis, J Polkowska, E Skrzeczyńska, B J Przybył, A Wójcik-Gładysz
The participation of peripheral peptides in the processes regulating the food intake (energy homeostasis) at the central nervous system level remains unclear. This study focuses on the role of obestatin in neuronal activity within the hypothalamic appetite-regulating network in ruminants. The animals (n = 28) were randomly divided into two groups. The sheep in the control group received intracerebroventricular infusions of the Ringer-Locke solution, and the sheep in obestatin group were infused with obestatin (diluted in the Ringer-Locke solution) at 25 μg per 120 μl/hr...
February 21, 2018: Journal of Animal Physiology and Animal Nutrition
Tracy L Hill, B Duncan X Lascelles, Anthony T Blikslager
BACKGROUND: Sucralfate is a gastroprotectant with no known systemic effects. The efficacy of sucralfate for prevention and treatment of stress-related mucosal diseases (SRMD) in dogs is unknown. HYPOTHESIS/OBJECTIVES: To develop a canine ex vivo model of SRMD and to determine the effect of sucralfate on mucosal barrier function in this model. ANIMALS: Gastric antral mucosa was collected immediately postmortem from 29 random-source apparently healthy dogs euthanized at a local animal control facility...
February 20, 2018: Journal of Veterinary Internal Medicine
Kelsey P Ringer, Mark G Roth, Mitchell S Garey, Ted B Piorczynski, Arminda Suli, Jason M Hansen, Jonathan K Alder
CRISPR-Cas technology has revolutionized genome engineering. While Cas9 was not the first programmable endonuclease identified, its simplicity of use has driven widespread adoption in a short period of time. While CRISPR-Cas genome editing holds enormous potential for clinical applications, its use in laboratory settings for genotype-phenotype studies and genome-wide screens has led to breakthroughs in the understanding of many molecular pathways. Numerous protocols have been described for introducing CRISPR-Cas components into cells, and here we sought to simplify and optimize a protocol for genome editing using readily available and inexpensive tools...
February 19, 2018: Cell Biology International
Akina Tohya, Atsushi Kohjitani, Sachi Ohno, Kaoru Yamashita, Yozo Manabe, Mitsutaka Sugimura
Background: Secretion of hormones, which antagonize the action of insulin, is facilitated in response to surgery, and acute resistance to the action of insulin develops. Our aim is to elucidate the effects of intraoperative glycemic control by glucose-insulin (GI) infusion on postoperative complications and outcomes in major oral and maxillofacial surgery. Findings: Thirty patients aged ≥ 60 years undergoing a radical operation of oral malignant tumors with tissue reconstruction (≥ 8 h) were analyzed...
2018: JA Clin Rep
M Ranjith, Prasanna Udupi Bidkar, K Narmadalakshmi, Praveen R Talawar
Background: Hemodynamic disturbances are common during positioning the patients from supine to sitting for neurosurgical procedures. The reported incidence of hypotension varies from 5% to 32%. The aim of the study was to study the effect of crystalloid preloading on hemodynamic parameters during positioning the patient from supine to sitting position. Materials and Methods: In this prospective observational trial, 20 patients were enrolled. Two patients had a patent foramen ovale on transesophageal echocardiography and were excluded from the study...
January 2018: Journal of Neurosciences in Rural Practice
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