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https://www.readbyqxmd.com/read/28237451/lactated-ringers-versus-normal-saline-in-children-with-sepsis
#1
Philip Toltzis
No abstract text is available yet for this article.
March 2017: Journal of Pediatrics
https://www.readbyqxmd.com/read/28237334/functional-involvement-of-protein-kinase-c-rho-kinase-and-trpc3-decreases-while-plc-increases-with-advancement-of-pregnancy-in-mediating-oxytocin-induced-myometrial-contractions-in-water-buffaloes-bubalus-bubalis
#2
Abhishek Sharma, Udayraj P Nakade, Soumen Choudhury, Satish Kumar Garg
Present study unravels the involvement of different calcium signaling pathways in oxytocin-induced contractions in myometrium of non-pregnant and pregnant buffaloes during early and mid-pregnancy stages. Uteri of pregnant animals were more sensitive than of non-pregnant buffaloes. Phasic contractions and frequency of contraction significantly increased with advancement of pregnancy, while tonic contractions non-significantly and amplitude significantly decreased from six months pregnancy onward. Oxytocin produced concentration-dependent-contraction on isolated myometrial strips of pregnant and non-pregnant buffaloes and the dose response curves (DRCs) of oxytocin were significantly (P < 0...
April 1, 2017: Theriogenology
https://www.readbyqxmd.com/read/28236694/on-the-mechanical-characteristics-of-a-self-setting-calcium-phosphate-cement
#3
A Bimis, L P Canal, D Karalekas, J Botsis
OBJECTIVE: To perform a mechanical characterization of a self-setting calcium phosphate cement in function of the immersion time in Ringer solution. MATERIALS AND METHODS: Specimens of self-setting calcium phosphate cement were prepared from pure α-TCP powder. The residual strains developed during hardening stage were monitored using an embedded fiber Bragg grating sensor. Additionally, the evolution of the elastic modulus was obtained for the same time period by conducting low-load indentation tests...
February 14, 2017: Journal of the Mechanical Behavior of Biomedical Materials
https://www.readbyqxmd.com/read/28236651/intravenous-fluid-rate-for-reduction-of-cesarean-delivery-rate-in-nulliparous-women-a-systematic-review-and-meta-analysis
#4
Robert M Ehsanipoor, Gabriele Saccone, Neil S Seligman, Rebecca Pierce-Williams, Andrea Ciardulli, Vincenzo Berghella
The National Institute of Child Health and Human Development, American College of Obstetricians and Gynecologists, and Society for Maternal-Fetal Medicine have emphasized the need to promote vaginal delivery and have offered recommendations to safely prevent primary cesarean delivery. However, there has been limited discussion regarding management of intravenous fluids and other aspects of labor management that may influence labor. Therefore the aim of our study was to determine if an intravenous fluid rate of 250 vs 125 mL/hour is associated with a difference in cesarean delivery rate MATERIAL AND METHODS: Searches were performed in Medline, OVID, Scopus, ClinicalTrials...
February 25, 2017: Acta Obstetricia et Gynecologica Scandinavica
https://www.readbyqxmd.com/read/28231305/effects-of-vasoactive-drugs-on-crystalloid-fluid-kinetics-in-septic-sheep
#5
Yuhong Li, Zheng Xiaozhu, Ru Guomei, Ding Qiannan, Robert G Hahn
PURPOSE: Crystalloid fluid and vasoactive drugs are used in the early treatment of sepsis. The purpose of the present study was to examine how these drugs alter plasma volume expansion, peripheral edema, and urinary excretion. METHODS: Twenty-five anesthetized sheep were made septic by cecal puncture and a short infusion of lipopolysaccharide. After 50 min, a slow infusion of isotonic saline was initiated: the saline either contained no drug, norepinephrine (1 μg/kg/min), phenylephrine (3 μg/kg/min), dopamine (50 μg/kg/min), or esmolol (50 μg/kg/min)...
2017: PloS One
https://www.readbyqxmd.com/read/28227441/novel-ti-nb-alloys-with-improved-wear-resistance-for-biomedical-implant-application
#6
Praveen Chapala, Swati Ghosh Acharyya, S M Shariff, Ganesh Naik, Praveen Chapala, Swati Ghosh Acharyya, S M Shariff, Ganesh Naik, Ganesh Naik, S M Shariff, Praveen Chapala, Swati Ghosh Acharyya
The present study involved fabrication of titanium niobium based alloys having elastic modulus close to that of human bone and subsequently determining the wear resistance of these alloys for biomedical application. In the present study three beta stabilized titanium niobium alloys having composition Ti-24Nb-4Zr-8Sn, Ti-35Nb-4Sn and Ti-29Nb-13Ta-7Zr were made by vacuum arc melting. The alloys were then aged at 1000 C for 6 hours in an argon atmosphere. Detailed microstructural characterization and phase identification was carried out using scanning electron microscopy and x-ray diffraction respectively...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28222674/administration-of-hes-in-elderly-patients-undergoing-hip-arthroplasty-under-spinal-anesthesia-is-not-associated-with-an-increase-in-renal-injury
#7
Yuanyuan Zhang, Yonghao Yu, Junya Jia, Wenli Yu, Rubin Xu, Licheng Geng, Ying Wei
BACKGROUND: Hydroxyethyl starch (HES) is applied to achieve volume expansion during surgery; however, nephrotoxicity may be induced in patients with sepsis. Simultaneously, neutrophil gelatinase-associated lipocalin (NGAL) and IL-18 have been illustrated as pivotal indicators to diagnose the acute kidney injury (AKI) early. This multi-center, randomized, double-blinded, placebo-controlled study aimed to investigate whether 6% HES 130/0.4 administration caused postoperative AKI, which can be revealed by urinary and plasma NGAL and IL-18 estimations in elderly patients with normal renal function undergoing hip arthroplasty under spinal anesthesia...
February 21, 2017: BMC Anesthesiology
https://www.readbyqxmd.com/read/28214784/cross-cultural-relevance-of-the-interpersonal-theory-of-suicide-across-korean-and-u-s-undergraduate-students
#8
Sooyeon Suh, Chad K Ebesutani, Christopher R Hagan, Megan L Rogers, Melanie A Hom, Fallon B Ringer, Rebecca A Bernert, Soohyun Kim, Thomas E Joiner
: This study investigated the cross-cultural relevance and validity of the Interpersonal Theory of Suicide (ITS) utilizing young adult samples from South Korea (n =554) and the United States (U.S.; n =390). To examine the ITS, all participants completed self-report questionnaires measuring Thwarted Belongingness, Perceived Burdensomeness, and Capability for Suicide. We examined whether each construct significantly predicted the severity of suicidal risk in both samples. We also determined whether the strength of the effects of Thwarted Belongingness and Perceived Burdensomeness on suicidal ideation differed between the two samples due to the greater degree of importance placed on interpersonal relationships in collectivistic cultures such as South Korea...
February 3, 2017: Psychiatry Research
https://www.readbyqxmd.com/read/28207529/comparison-of-the-pro-postoperative-analgesia-of-intraoperative-dexmedetomidine-with-and-without-loading-dose-following-general-anesthesia-a-prospective-randomized-controlled-clinical-trial
#9
Wei Fan, Haikou Yang, Yong Sun, Jun Zhang, Guangming Li, Ying Zheng, Yi Liu
Intraoperative dexemdetomidine (DEX) with or without loading dose is well-established to improve postoperative pain control in patient-controlled analgesia (PCA). This study was designed to compare the pro-analgesia effect between the 2 in patients received general anesthesia.Seventy patients shceduced abdominal surgery under general anesthesia were randomly assigned into 3 groups which were maintained using propofol/remifentanil/Ringer solution (PRR), propofol/remifentanil/dexmedetomidine with (PRDw) or without (PRDo) a loading dose of dexmedetomidine before induction...
February 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28203403/clinic-application-of-tissue-engineered-bronchus-for-lung-cancer-treatment
#10
Qiang Tan, Ruijun Liu, Xiaoke Chen, Jingxiang Wu, Yinggen Pan, Shun Lu, Walter Weder, Qingquan Luo
BACKGROUND: Delayed revascularization process and substitute infection remain to be key challenges in tissue engineered (TE) airway reconstruction. We propose an "in-vivo bioreactor" design, defined as an implanted TE substitutes perfused with an intra-scaffold medium flow created by an extracorporeal portable pump system for in situ organ regeneration. The perfusate keeps pre-seeded cells alive before revascularization. Meanwhile the antibiotic inside the perfusate controls topical infection...
January 2017: Journal of Thoracic Disease
https://www.readbyqxmd.com/read/28198652/emerging-adults-experiences-of-grandparent-death
#11
Margaret M Manoogian, Juliana Vandenbroeke, Amy Ringering, Tamina Toray, Eric Cooley
This qualitative study examined the experience of grandparent death among 74 emerging adults enrolled in college. Guided by the life course perspective, the authors specifically explored (a) participant responses to the death, (b) how family systems were influenced by the loss of the grandparent, and (c) how grandparent death motivated life course transitions for emerging adults. The findings suggest that the death trajectory, level of attachment, the role the grandchild played in the family, as well as the coping style utilized affected participants' grief processes...
January 1, 2017: Omega
https://www.readbyqxmd.com/read/28196445/chrome-nitride-coating-reduces-wear-of-small-spherical-crcomo-metal-on-metal-articulations-in-a-joint-simulator
#12
R Thorkildsen, O Reigstad, M Røkkum
Metal-on-metal articulations have fallen out of favour in larger joint replacements, but are still used in smaller joints. Coating the articulation has been suggested as one way of reducing wear. We compared a standard 6 mm CrCoMo articulation designed for the carpometacarpal joint of the thumb with a chromium nitride-coated version after 512,000 cycles in a joint simulator. A total of 6 articulations in each group were tested with a unidirectional load of 5 kg in Ringer's solution. We found a statistically significant reduction in weight loss, amount of metallic wear produced and volumetric wear for the chromium nitride-coated articulation...
March 2017: Journal of Hand Surgery, European Volume
https://www.readbyqxmd.com/read/28187046/effect-of-hydroxyethyl-starch-priming-on-the-systemic-inflammatory-response-and-lung-edema-following-cardiopulmonary-bypass-in-a-rat-model
#13
Yutaka Fujii, Takayuki Tanabe, Tsubasa Yamashiro, Mikiyasu Shirai, Yoshiaki Takewa, Eisuke Tatsumi
Cardiopulmonary bypass (CPB) preserves patients' lives during open heart surgery by providing sufficient oxygen delivery and blood supply to vital organs. However, previous studies have suggested that the interaction of hemodilution and vascular hyperpermeability induces tissue edema and an inflammatory response during CPB. In this study, we hypothesized that suppression of the systemic inflammatory response and tissue edema during CPB by a plasma substitute (hydroxyethyl starch: HES).Rats (450-500 g) were divided into a SHAM group (n=5), a Ringer's acetate CPB group (n=7), and an HES CPB group (n=7)...
February 7, 2017: ASAIO Journal: a Peer-reviewed Journal of the American Society for Artificial Internal Organs
https://www.readbyqxmd.com/read/28183862/the-mechanisms-underlying-the-muscle-metaboreflex-modulation-of-sweating-and-cutaneous-blood-flow-in-passively-heated-humans
#14
Baies Haqani, Naoto Fujii, Narihiko Kondo, Glen P Kenny
Metaboreceptors can modulate cutaneous blood flow and sweating during heat stress but the mechanisms remain unknown. Fourteen participants (31 ± 13 years) performed 1-min bout of isometric handgrip (IHG) exercise at 60% of their maximal voluntary contraction followed by a 3-min occlusion (OCC), each separated by 10 min, initially under low (LHS, to activate sweating without changes in core temperature) and high (HHS, whole-body heating to a core temperature increase of 1.0°C) heat stress conditions. Cutaneous vascular conductance (CVC) and sweat rate were measured continuously at four forearm skin sites perfused with 1) lactated Ringer's solution (Control), 2) 10 mmol L-NAME [inhibits nitric oxide synthase (NOS)], 3) 10 mmol Ketorolac [inhibits cyclooxygenase (COX)], or 4) 4 mmol theophylline (THEO; inhibits adenosine receptors)...
February 2017: Physiological Reports
https://www.readbyqxmd.com/read/28178088/aggressive-hydration-with-lactated-ringer-solution-in-prevention-of-postendoscopic-retrograde-cholangiopancreatography-pancreatitis-a-meta-analysis-of-randomized-controlled-trials
#15
Zhi-Feng Zhang, Zhi-Jun Duan, Li-Xia Wang, Gang Zhao, Wu-Guo Deng
BACKGROUND: Pancreatitis is the most common complication of endoscopic retrograde cholangiopancreatography (ERCP). The results of previous studies evaluating aggressive hydration with lactated Ringer solution for reducing the incidence of post-ERCP pancreatitis (PEP) are inconsistent. AIM: We performed a meta-analysis to determine whether aggressive hydration with lactated Ringer solution reduced PEP. METHODS: Randomized controlled trials (RCTs) comparing aggressive hydration with standard hydration with the same lactated Ringer solution for prophylaxis of PEP were searched in PubMed, Embase, Cochrane Central Register of Controlled Trials (CENTRAL), and CINAHL databases...
March 2017: Journal of Clinical Gastroenterology
https://www.readbyqxmd.com/read/28177721/mechanisms-of-nicotine-induced-cutaneous-vasodilation-and-sweating-in-young-adults-roles-for-k-sub-ca-sub-k-sub-atp-sub-and-k-sub-v-sub-channels-nitric-oxide-and-prostanoids
#16
Naoto Fujii, Jeffrey C Louie, Brendan D McNeely, Tatsuro Amano, Takeshi Nishiyasu, Glen P Kenny
We evaluated the influence of K<sup>+</sup> channels [i.e., Ca<sup>2+</sup>-activated K<sup>+</sup> (K<sub>Ca</sub>), ATP-sensitive K<sup>+</sup> (K<sub>ATP</sub>), and voltage-gated K<sup>+</sup> (K<sub>V</sub>) channels] and key enzymes [(nitric oxide synthase (NOS) and cyclooxygenase (COX)] on nicotine-induced cutaneous vasodilation and sweating. Using intradermal microdialysis, we evaluated forearm cutaneous vascular conductance (CVC) and sweat rate in two separate protocols...
January 10, 2017: Applied Physiology, Nutrition, and Metabolism, Physiologie Appliquée, Nutrition et Métabolisme
https://www.readbyqxmd.com/read/28156253/severe-carotid-stenosis-and-delay-of-reperfusion-in-endovascular-stroke-treatment-an-interventional-management-of-stroke-iii-study
#17
Steven L Gogela, Yair M Gozal, Bin Zhang, Thomas A Tomsick, Andrew J Ringer, Joseph P Broderick, Pooja Khatri, Todd A Abruzzo
OBJECTIVE The impact of extracranial carotid stenosis on interventional revascularization of acute anterior circulation stroke is unknown. The authors examined the effects of high-grade carotid stenosis on the results of endovascular treatment of patients in the Interventional Management of Stroke (IMS)-III trial. METHODS The 278 patients in the endovascular arm of the IMS-III trial were categorized according to the degree of carotid stenosis as determined by angiography. In comparing patients with severe stenosis or occlusion (≥ 70%) to those without severe stenosis (< 70%), the authors evaluated the time to endovascular reperfusion, modified Thrombolysis in Cerebrovascular Infarction (mTICI) scores, 24-hour mean infarct volumes, symptomatic intracerebral hemorrhage rates, and modified Rankin Scale (mRS) scores at 90 days...
February 3, 2017: Journal of Neurosurgery
https://www.readbyqxmd.com/read/28149246/acute-kidney-injury-in-critically-burned-patients-resuscitated-with-a-protocol-that-includes-low-doses-of-hydroxyethyl-starch
#18
M Sánchez-Sánchez, A Garcia-de-Lorenzo, L Cachafeiro, E Herrero, M J Asensio, A Agrifoglio, E Flores, B Estebanez, P Extremera, C Iglesias, J R Martinez
Acute kidney injury (AKI) is an important complication in burn patients. Recently, it has been recommended that hydroxyethyl starch (HES) be avoided in burn patients because it increases the incidence of AKI. Our purpose was to study incidence of AKI in critically ill burn patients resuscitated with Ringer's solution and supplements of HES. We conducted an observational study of 165 patients admitted to the critical care burn unit (with 30 ± 15% TBSA burned). The main outcome measures were incidence of AKI, contributions of colloids and crystalloids, various severity scores, comorbidities, complications and mortality...
September 30, 2016: Annals of Burns and Fire Disasters
https://www.readbyqxmd.com/read/28108957/effect-of-temperature-on-surface-characteristics-of-nitrogen-ion-implanted-biocompatible-titanium
#19
Hossein Aghajani, Mohsen Sadeghpour Motlagh
It has been established that nitrogen implantation can modify metals surface properties such as corrosion, wear, friction, etc. Recent studies have shown that nitrogen implantation into titanium and its alloys leads to the formation of titanium nitride, which has interesting biological, chemical, and mechanical properties. In the present investigation, commercially pure biocompatible titanium implanted by nitrogen. Implantation of ions performed at 80 keV and a dose of 2.1 × 10(18) ions/cm(2) at four different temperatures of 300, 473, 673 and 873 k...
February 2017: Journal of Materials Science. Materials in Medicine
https://www.readbyqxmd.com/read/28107214/loss-of-syndecan-1-abrogates-the-pulmonary-protective-phenotype-induced-by-plasma-after-hemorrhagic-shock
#20
Feng Wu, Zhanglong Peng, Pyong Woo Park, Rosemary A Kozar
Syndecan-1 is considered a biomarker of injury to the endothelial glycocalyx following hemorrhagic shock, with shedding of sdc1 deleterious. Resuscitation with fresh frozen plasma (FFP) has been correlated with restitution of pulmonary sdc1 and reduction of lung injury, but the precise contribution of sdc1 to FFPs protection in the lung remains unclear. Human lung endothelial cells were used to assess the time and dose dependent effect of FFP on sdc1 expression and the effect of sdc1 silencing on in vitro endothelial cell permeability and actin stress fiber formation...
January 19, 2017: Shock
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