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https://www.readbyqxmd.com/read/28216365/automated-pressure-controlled-cerebrospinal-fluid-drainage-during-open-thoracoabdominal-aortic-aneurysm-repair
#1
Yamume Tshomba, Marco Leopardi, Daniele Mascia, Andrea Kahlberg, Andrea Carozzo, Silvio Magrin, Germano Melissano, Roberto Chiesa
OBJECTIVE: Perioperative cerebrospinal fluid (CSF) drainage is a well-established technique for spinal cord protection during thoracoabdominal aortic aneurysm (TAAA) open repair and is usually performed using dripping chamber-based systems. A new automated device for controlled and continuous CSF drainage, designed to maintain CSF pressure around the desired set values, thus avoiding unnecessary drainage, is currently available. The aim of our study was to determine whether the use of the new LiquoGuard automated device (Möller Medical GmbH, Fulda, Germany) during TAAA open repair was safe and effective in maintaining the desired CSF pressure values and whether the incidence of complications was reduced compared with a standard catheter connected to a dripping chamber...
February 16, 2017: Journal of Vascular Surgery
https://www.readbyqxmd.com/read/28204778/a-randomized-controlled-trial-to-evaluate-the-role-of-brief-delay-in-cord-clamping-in-preterm-neonates-34-36-weeks-on-short-term-neurobehavioural-outcome
#2
Vikram Datta, Aditi Kumar, Reena Yadav
No abstract text is available yet for this article.
February 15, 2017: Journal of Tropical Pediatrics
https://www.readbyqxmd.com/read/28182698/prevention-of-remifentanil-induced-postoperative-hyperalgesia-by-dexmedetomidine-via-regulating-the-trafficking-and-function-of-spinal-nmda-receptors-as-well-as-pkc-and-camkii-level-in-vivo-and-in-vitro
#3
Yuan Yuan, Zhe Sun, Yi Chen, Yuxin Zheng, Ke-Liang Xie, Ying He, Zhifen Wang, Guo-Lin Wang, Yong-Hao Yu
Remifentanil-induced secondary hyperalgesia has been demonstrated in both animal experiments and clinical trials. Enhancement of N-methyl-D-aspartate (NMDA) receptor trafficking as well as protein kinase C (PKC) and calmodulin-dependent protein kinase II (CaMKII) have been reported to be involved in the induction and maintenance of central sensitization. In the current study, it was demonstrated that dexmedetomidine could prevent remifentanil-induced hyperalgesia (RIH) via regulating spinal NMDAR-PKC-Ca2+/ CaMKII pathway in vivo and in vitro...
2017: PloS One
https://www.readbyqxmd.com/read/28180126/providing-a-placental-transfusion-in-newborns-who-need-resuscitation
#4
REVIEW
Anup C Katheria, Melissa K Brown, Wade Rich, Kathy Arnell
Over the past decade, there have been several studies and reviews on the importance of providing a placental transfusion to the newborn. Allowing a placental transfusion to occur by delaying the clamping of the umbilical cord is an extremely effective method of enhancing arterial oxygen content, increasing cardiac output, and improving oxygen delivery. However, premature and term newborns who require resuscitation have impaired transitional hemodynamics and may warrant different methods to actively provide a placental transfusion while still allowing for resuscitation...
2017: Frontiers in Pediatrics
https://www.readbyqxmd.com/read/28142154/a-quality-improvement-initiative-to-reduce-the-need-for-mechanical-ventilation-in-extremely-low-gestational-age-neonates
#5
Ludivine Templin, Camille Grosse, Virginie Andres, Clotilde Des Robert, Laurence Fayol, Umberto Simeoni, Farid Boubred
Objective Limiting early intubation and mechanical ventilation in extremely low gestational age neonates (ELGAN) may decrease neonatal morbidity and mortality. The aim of our study was to demonstrate the feasibility, efficacy, and tolerability of a delivery room respiratory management protocol, including delayed umbilical cord clamping (DUCC) in combination with optimized nCPAP with high PEEP levels and less invasive surfactant administration (LISA). Study Design This cohort quality improvement study analyzed the respiratory and neonatal outcomes of all consecutive infants born between 24(+0) and 26(+6) weeks' gestation before (period 1, n = 40) and after (period 2, n = 52) implementing the new protocol...
January 31, 2017: American Journal of Perinatology
https://www.readbyqxmd.com/read/28129785/human-umbilical-cord-derived-mesenchymal-stromal-cells-protect-against-premature-renal-senescence-resulting-from-oxidative-stress-in-rats-with-acute-kidney-injury
#6
Camila Eleuterio Rodrigues, José Manuel Condor Capcha, Ana Carolina de Bragança, Talita Rojas Sanches, Priscila Queiroz Gouveia, Patrícia Aparecida Ferreira de Oliveira, Denise Maria Avancini Costa Malheiros, Rildo Aparecido Volpini, Mirela Aparecida Rodrigues Santinho, Bárbara Amélia Aparecida Santana, Rodrigo do Tocantins Calado, Irene de Lourdes Noronha, Lúcia Andrade
BACKGROUND: Mesenchymal stromal cells (MSCs) represent an option for the treatment of acute kidney injury (AKI). It is known that young stem cells are better than are aged stem cells at reducing the incidence of the senescent phenotype in the kidneys. The objective of this study was to determine whether AKI leads to premature, stress-induced senescence, as well as whether human umbilical cord-derived MSCs (huMSCs) can prevent ischaemia/reperfusion injury (IRI)-induced renal senescence in rats...
January 28, 2017: Stem Cell Research & Therapy
https://www.readbyqxmd.com/read/28123428/key-genes-expressed-in-different-stages-of-spinal-cord-ischemia-reperfusion-injury
#7
Jian-An Li, Chun-Fang Zan, Peng Xia, Chang-Jun Zheng, Zhi-Ping Qi, Chun-Xu Li, Zhi-Gang Liu, Ting-Ting Hou, Xiao-Yu Yang
The temporal expression of microRNA after spinal cord ischemia/reperfusion injury is not yet fully understood. In the present study, we established a model of spinal cord ischemia in Sprague-Dawley rats by clamping the abdominal aorta for 90 minutes, before allowing reperfusion for 24 or 48 hours. A sham-operated group underwent surgery but the aorta was not clamped. The damaged spinal cord was removed for hematoxylin-eosin staining and RNA extraction. Neuronal degeneration and tissue edema were the most severe in the 24-hour reperfusion group, and milder in the 48-hour reperfusion group...
November 2016: Neural Regeneration Research
https://www.readbyqxmd.com/read/28123025/sodium-pumps-mediate-activity-dependent-changes-in-mammalian-motor-networks
#8
Laurence D Picton, Filipe Nascimento, Matthew J Broadhead, Keith T Sillar, Gareth B Miles
: Ubiquitously expressed sodium pumps are best known for maintaining the ionic gradients and resting membrane potential required for generating action potentials. However, activity- and state-dependent changes in pump activity can also influence neuronal firing and regulate rhythmic network output. Here we demonstrate that changes in sodium pump activity regulate locomotor networks in the spinal cord of neonatal mice. The sodium pump inhibitor, ouabain, increased the frequency and decreased the amplitude of drug-induced locomotor bursting, effects that were dependent on the presence of the neuromodulator dopamine...
January 25, 2017: Journal of Neuroscience: the Official Journal of the Society for Neuroscience
https://www.readbyqxmd.com/read/28114607/effects-of-delayed-umbilical-cord-clamping-vs-early-clamping-on-anemia-in-infants-at-8-and-12-months-a-randomized-clinical-trial
#9
Ashish Kc, Nisha Rana, Mats Målqvist, Linda Jarawka Ranneberg, Kalpana Subedi, Ola Andersson
Importance: Delayed umbilical cord clamping has been shown to improve iron stores in infants to 6 months of age. However, delayed cord clamping has not been shown to prevent iron deficiency or anemia after 6 months of age. Objective: To investigate the effects of delayed umbilical cord clamping, compared with early clamping, on hemoglobin and ferritin levels at 8 and 12 months of age in infants at high risk for iron deficiency anemia. Design, Setting, and Participants: This randomized clinical trial included 540 late preterm and term infants born vaginally at a tertiary hospital in Kathmandu, Nepal, from October 2 to November 21, 2014...
January 17, 2017: JAMA Pediatrics
https://www.readbyqxmd.com/read/28079045/hernia-of-the-umbilical-cord-associated-with-a-patent-omphalomesenteric-duct
#10
M Raicevic, I Filipovic, S Sindjic-Antunovic
Congenital hernia of the cord is a different type of ventral abdominal wall defect in which the bowel usually herniates into the base of normally inserted umbilical cord through a patent umbilical ring. It is rare congenital anomaly with incidence of 1 in 5000. Although it was described as a distinct entity since 1920s it is often misdiagnosed as a small omphalocele. We present an unusal case of term male newborn with umbilical cord hernia associated with patent omphalomesenteric duct. The diagnose was made after birth despite antenatal ultrasound scans and it is managed successfully with uneventful recovery...
January 2017: Journal of Postgraduate Medicine
https://www.readbyqxmd.com/read/28077540/leukemia-inhibitory-factor-lif-potentiates-antinociception-activity-and-inhibits-tolerance-induction-of-opioids
#11
H J Tu, K H Kang, S Y Ho, H C Liou, H H Liou, C P Lin, W M Fu
BACKGROUND: The efficacy of opioids typically decreases after long-term use owing to the development of tolerance. Glial activation and the upregulation of proinflammatory cytokines are related to the induction of tolerance. We investigated the effect of leukemia inhibitory factor (LIF) on morphine analgesia and tolerance. METHODS: LIF concentrations in rat spinal cords were measured by polymerase chain reaction (PCR) and enzyme-linked immunosorbent assay (ELISA) after morphine administration...
October 2016: British Journal of Anaesthesia
https://www.readbyqxmd.com/read/28068852/maternal-outcomes-following-the-initiation-of-an-institutional-delayed-cord-clamping-protocol-an-observational-case-control-study
#12
Kelly Kuo, Priyanka Gohale, David N Hackney, Chayatat Ruangkit, Monika Bhola, Melissa I March
OBJECTIVE: To evaluate maternal outcomes before and after implementation of an institutional delayed cord clamping (DCC) protocol. STUDY DESIGN: We performed a secondary analysis of a retrospective cohort study of deliveries occurring at <34 weeks at a tertiary care center in 2013-2014. 139 women who underwent early cord clamping were compared to 130 women delivered after DCC protocol implementation. Maternal estimated blood loss (EBL) was the primary outcome of interest...
January 9, 2017: Journal of Maternal-fetal & Neonatal Medicine
https://www.readbyqxmd.com/read/28068594/prevention-of-spontaneous-preterm-birth-guidelines-for-clinical-practice-from-the-french-college-of-gynaecologists-and-obstetricians-cngof
#13
REVIEW
Loïc Sentilhes, Marie-Victoire Sénat, Pierre-Yves Ancel, Elie Azria, Guillaume Benoist, Julie Blanc, Gilles Brabant, Florence Bretelle, Stéphanie Brun, Muriel Doret, Chantal Ducroux-Schouwey, Anne Evrard, Gilles Kayem, Emeline Maisonneuve, Louis Marcellin, Stéphane Marret, Nicolas Mottet, Sabine Paysant, Didier Riethmuller, Patrick Rozenberg, Thomas Schmitz, Héloïse Torchin, Bruno Langer
In France, 60,000 neonates are born preterm every year (7.4%), half of them after the spontaneous onset of labor. Among preventable risk factors of spontaneous prematurity, only cessation of smoking is associated with decreased prematurity (level of evidence [LE]1). It is therefore recommended (Grade A). Routine screening and treatment of vaginal bacteriosis is not recommended in the general population (Grade A). The only population for which vaginal progesterone is recommended is that comprising asymptomatic women with singleton pregnancies, no history of preterm delivery, and a short cervix at 16-24 weeks of gestation (Grade B)...
December 30, 2016: European Journal of Obstetrics, Gynecology, and Reproductive Biology
https://www.readbyqxmd.com/read/28062192/direct-effects-of-glucose-insulin-glp-1-and-gip-on-bulbospinal-neurons-in-the-rostral-ventrolateral-medulla-in-neonatal-wistar-rats
#14
Naoki Oshima, Hiroshi Onimaru, Hidehito Matsubara, Takahiro Uchida, Atsushi Watanabe, Toshihiko Imakiire, Yasuhiro Nishida, Hiroo Kumagai
Although patients with diabetes mellitus (DM) often exhibit hypertension, the mechanisms responsible for this correlation are not well known. We hypothesized that the bulbospinal neurons in the rostral ventrolateral medulla (RVLM) are affected by the levels of glucose, insulin, or incretins (glucagon like peptide-1 [GLP-1] or glucose-dependent insulinotropic peptide [GIP]) in patients with DM. To investigate whether RVLM neurons are activated by glucose, insulin, GLP-1, or GIP, we examined changes in the membrane potentials of bulbospinal RVLM neurons using whole-cell patch-clamp technique during superfusion with various levels of glucose or these hormones in neonatal Wistar rats...
March 6, 2017: Neuroscience
https://www.readbyqxmd.com/read/28061522/placental-transfusion-strategies-in-italy-a-nationwide-survey-of-tertiary-care-delivery-wards
#15
Barbara Perrone, Stefano Ghirardello
Objective Delayed umbilical cord clamping and cord milking are placental transfusion strategies that produce higher iron stores and better hemodynamic conditions in a newborn. We aimed to evaluate their current practice in tertiary-care delivery wards in Italy. Study Design A multiple-choice questionnaire was e-mailed to all the 101 Italian tertiary-care delivery wards. The comparative analysis between categorical variables was performed by the χ(2) test. Result We obtained an 85% (86/101) response rate...
January 6, 2017: American Journal of Perinatology
https://www.readbyqxmd.com/read/28043422/extent-ii-thoracoabdominal-aortic-aneurysm-repair-how-i-do-it
#16
Joseph S Coselli, Kim I de la Cruz, Ourania Preventza, Scott A LeMaire, Scott A Weldon
The primary risks associated with thoracoabdominal aortic aneurysm (TAAA) repair-namely operative death, paraplegia, and renal failure necessitating dialysis-are commonly related to the distal ischemia that occurs during aortic clamping and the disruption of vital branching arteries. Our technique for open TAAA repair has evolved over the course of 3 decades, from the unheparinized, simple "clamp-and-sew" approach learned directly from E. Stanley Crawford himself to a contemporary, multimodal strategy that uses an array of surgical adjuncts...
July 2016: Seminars in Thoracic and Cardiovascular Surgery
https://www.readbyqxmd.com/read/28017670/presynaptic-facilitation-by-tetracaine-of-glutamatergic-spontaneous-excitatory-transmission-in-the-rat-spinal-substantia-gelatinosa-involvement-of-trpa1-channels
#17
Lian-Hua Piao, Tsugumi Fujita, Ting Yu, Eiichi Kumamoto
The amide-type local anesthetic (LA) lidocaine activates transient receptor potential (TRP) ankyrin-1 (TRPA1) channels to facilitate spontaneous L-glutamate release onto spinal substantia gelatinosa (SG) neurons, which play a crucial role in regulating nociceptive transmission. In contrast, the ester-type LA procaine reduces the spontaneous release of L-glutamate in SG neurons. In order to determine whether TRPA1 activation by LAs is specific to amide-types, we examined the actions of tetracaine, another ester-type LA, and other amide-type LAs on glutamatergic spontaneous excitatory transmission in SG neurons by focusing on TRP activation...
December 22, 2016: Brain Research
https://www.readbyqxmd.com/read/28007585/the-prrt2-knockout-mouse-recapitulates-the-neurological-diseases-associated-with-prrt2-mutations
#18
Caterina Michetti, Enrico Castroflorio, Ivan Marchionni, Nicola Forte, Bruno Sterlini, Francesca Binda, Floriana Fruscione, Pietro Baldelli, Flavia Valtorta, Federico Zara, Anna Corradi, Fabio Benfenati
Heterozygous and rare homozygous mutations in PRoline-Rich Transmembrane protein 2 (PRRT2) underlie a group of paroxysmal disorders including epilepsy, kinesigenic dyskinesia episodic ataxia and migraine. Most of the mutations lead to impaired PRRT2 expression and/or function. Recently, an important role for PRTT2 in the neurotransmitter release machinery, brain development and synapse formation has been uncovered. In this work, we have characterized the phenotype of a mouse in which the PRRT2 gene has been constitutively inactivated (PRRT2 KO)...
March 2017: Neurobiology of Disease
https://www.readbyqxmd.com/read/28007513/-delayed-umbilical-cord-clamping-in-preterm-infants-born-before-37%C3%A2-weeks-of-gestation-a-prospective-observational-study
#19
O Dicky, V Ehlinger, B Guyard-Boileau, C Assouline, C Arnaud, C Casper
INTRODUCTION AND OBJECTIVES: Many international studies have demonstrated that delayed umbilical cord clamping reduces neonatal morbidity. However, in France, delayed umbilical cord clamping is still not performed in many neonatal units. The aims of this study were to evaluate the feasibility of developing a protocol of delayed umbilical cord clamping in the maternity ward of the Toulouse university hospital and to evaluate the impact of this new protocol on neonatal mortality. METHODS: We conducted a prospective observational study including 123 preterm infants born before 37 weeks of gestation between June 2012 and June 2013 and hospitalized at birth...
February 2017: Archives de Pédiatrie: Organe Officiel de la Sociéte Française de Pédiatrie
https://www.readbyqxmd.com/read/28002310/committee-opinion-no-684-delayed-umbilical-cord-clamping-after-birth
#20
(no author information available yet)
Delayed umbilical cord clamping appears to be beneficial for term and preterm infants. In term infants, delayed umbilical cord clamping increases hemoglobin levels at birth and improves iron stores in the first several months of life, which may have a favorable effect on developmental outcomes. There is a small increase in jaundice that requires phototherapy in this group of infants. Consequently, health care providers adopting delayed umbilical cord clamping in term infants should ensure that mechanisms are in place to monitor for and treat neonatal jaundice...
January 2017: Obstetrics and Gynecology
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