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13 papers 0 to 25 followers
https://www.readbyqxmd.com/read/27251746/stem-cells-for-neonatal-brain-disorders
#1
So Yoon Ahn, Yun Sil Chang, Won Soon Park
Despite recent advances in neonatal intensive care medicine, neonatal brain injury resulting from intraventricular hemorrhage or hypoxic-ischemic encephalopathy remains a major cause of neonatal mortality and neurologic morbidities in survivors. Several studies have indicated that stem cell therapy is a promising novel therapy for neonatal brain injury resulting from these disorders. This review summarizes recent advances in stem cell research for treating neonatal brain injury due to intraventricular hemorrhage or hypoxic-ischemic encephalopathy with a particular focus on preclinical data, covering important issues for clinical translation such as optimal cell type, route, dose and timing of stem cell therapy, and translation of these preclinical results into a clinical trial...
2016: Neonatology
https://www.readbyqxmd.com/read/27470688/intubation-attempts-increase-the-risk-for-severe-intraventricular-hemorrhage-in-preterm-infants-a-retrospective-cohort-study
#2
Charles W Sauer, Juin Yee Kong, Yvonne E Vaucher, Neil Finer, James A Proudfoot, Mallory A Boutin, Tina A Leone
OBJECTIVE: To evaluate whether neonates exposed to multiple intubation attempts within the first 4 days after birth have an increased incidence of intraventricular hemorrhage (IVH). STUDY DESIGN: This is a retrospective cohort study of infants intubated during the first 4 days after birth. Infants had birth weights (BWs) less than 1500 g and were admitted to the neonatal intensive care unit (NICU) at the University of California, San Diego, between January 1, 2005, and July 30, 2009...
October 2016: Journal of Pediatrics
https://www.readbyqxmd.com/read/27148674/heparin-for-the-prevention-of-intraventricular-haemorrhage-in-preterm-infants
#3
REVIEW
Matteo Bruschettini, Olga Romantsik, Simona Zappettini, Rita Banzi, Luca Antonio Ramenghi, Maria Grazia Calevo
BACKGROUND: Preterm birth remains the major risk factor for the development of intraventricular haemorrhage, an injury that occurs in 25% of very low birth weight infants. Intraventricular haemorrhage is thought to be venous in origin and intrinsic thromboses in the germinal matrix are likely to play a triggering role. Heparin activates antithrombin and promotes the inactivation of thrombin and other target proteinases. The administration of anticoagulants such as heparin may offset the increased risk of developing intraventricular haemorrhage and may also reduce the risk of developing parenchymal venous infarct, a condition known to complicate intraventricular haemorrhage...
2016: Cochrane Database of Systematic Reviews
https://www.readbyqxmd.com/read/27052980/intracranial-hemorrhage-in-the-neonate
#4
Nidhi Agrawal Shah, Courtney J Wusthoff
Intracranial hemorrhage is a serious cause of morbidity and mortality in the neonate. Subgaleal, subdural, subarachnoid, and intraventricular hemorrhage have varying pathophysiology, but each can have serious long-term consequences. This article reviews the pathophysiology, presentation, and outcomes for intracranial hemorrhage in the newborn, as well as potential therapeutic interventions.
2016: Neonatal Network: NN
https://www.readbyqxmd.com/read/25171657/early-and-late-complications-of-germinal-matrix-intraventricular-haemorrhage-in-the-preterm-infant-what-is-new
#5
REVIEW
Annemieke J Brouwer, Floris Groenendaal, Manon J N L Benders, Linda S de Vries
Germinal matrix-intraventricular haemorrhage (GMH-IVH) remains a serious problem in the very and extremely preterm infant. This article reviews current methods of diagnosis, treatment and neurodevelopmental outcome in preterm infants with low-grade and severe GMH-IVH. We conclude that there is still no consensus on timing of intervention and treatment of infants with GMH-IVH, whether or not complicated by post-haemorrhagic ventricular dilatation. The discrepancies between the studies underline the need for international collaboration to define the optimal strategy for these infants...
2014: Neonatology
https://www.readbyqxmd.com/read/26998583/antithrombin-for-the-prevention-of-intraventricular-hemorrhage-in-very-preterm-infants
#6
REVIEW
Matteo Bruschettini, Olga Romantsik, Simona Zappettini, Rita Banzi, Luca Antonio Ramenghi, Maria Grazia Calevo
BACKGROUND: Preterm birth remains the major risk factor for the development of intraventricular hemorrhage, an injury that occurs in 25% of very low birth weight infants. Intraventricular hemorrhage is thought to be venous in origin and intrinsic thromboses in the germinal matrix are likely to play a triggering role. Antithrombin, a glycoprotein synthesized in the liver, is the major plasma inhibitor of thrombin thus modulating blood coagulation. Very low birth weight newborn infants have low levels of antithrombin and the risk of developing intraventricular hemorrhage is increased by the presence of hypercoagulability in the first hours of life...
2016: Cochrane Database of Systematic Reviews
https://www.readbyqxmd.com/read/24524446/pathogenesis-and-prevention-of-intraventricular-hemorrhage
#7
REVIEW
Praveen Ballabh
Intraventricular hemorrhage (IVH) is a major neurologic complication of prematurity. Pathogenesis of IVH is attributed to intrinsic fragility of germinal matrix vasculature and to the fluctuation in the cerebral blood flow. Germinal matrix exhibits rapid angiogenesis orchestrating formation of immature vessels. Prenatal glucocorticoid exposure remains the most effective means of preventing IVH. Therapies targeted to enhance the stability of the germinal matrix vasculature and minimize fluctuation in the cerebral blood flow might lead to more effective strategies in preventing IVH...
March 2014: Clinics in Perinatology
https://www.readbyqxmd.com/read/24099882/3d-ultrasound-system-to-investigate-intraventricular-hemorrhage-in-preterm-neonates
#8
J Kishimoto, S de Ribaupierre, D S C Lee, R Mehta, K St Lawrence, A Fenster
Intraventricular hemorrhage (IVH) is a common disorder among preterm neonates that is routinely diagnosed and monitored by 2D cranial ultrasound (US). The cerebral ventricles of patients with IVH often have a period of ventricular dilation (ventriculomegaly). This initial increase in ventricle size can either spontaneously resolve, which often shows clinically as a period of stabilization in ventricle size and eventual decline back towards a more normal size, or progressive ventricular dilation that does not stabilize and which may require interventional therapy to reduce symptoms relating to increased intracranial pressure...
November 7, 2013: Physics in Medicine and Biology
https://www.readbyqxmd.com/read/26598455/periventricular-intraventricular-hemorrhage-and-neurodevelopmental-outcomes-a-meta-analysis
#9
REVIEW
Amit Mukerji, Vibhuti Shah, Prakesh S Shah
CONTEXT: Periventricular/intraventricular hemorrhage (PIVH) is a common short-term morbidity in preterm infants, but its long-term neurodevelopmental impact, particularly with mild PIVH, remains unclear. OBJECTIVE: To systematically review and meta-analyze the neurodevelopmental outcomes of preterm infants ≤34 weeks' gestation with mild and severe PIVH, compared with no PIVH. DATA SOURCES: Medline, Embase, CINAHL, and PsychINFO databases from January 2000 through June 2014...
December 2015: Pediatrics
https://www.readbyqxmd.com/read/24379238/intraventricular-hemorrhage-and-neurodevelopmental-outcomes-in-extreme-preterm-infants
#10
Srinivas Bolisetty, Anjali Dhawan, Mohamed Abdel-Latif, Barbara Bajuk, Jacqueline Stack, Kei Lui
OBJECTIVE: Not many large studies have reported the true impact of lower-grade intraventricular hemorrhages in preterm infants. We studied the neurodevelopmental outcomes of extremely preterm infants in relation to the severity of intraventricular hemorrhage. METHODS: A regional cohort study of infants born at 23 to 28 weeks' gestation and admitted to a NICU between 1998 and 2004. Primary outcome measure was moderate to severe neurosensory impairment at 2 to 3 years' corrected age defined as developmental delay (developmental quotient >2 SD below the mean), cerebral palsy, bilateral deafness, or bilateral blindness...
January 2014: Pediatrics
https://www.readbyqxmd.com/read/26791217/hyaluronidase-and-hyaluronan-oligosaccharides-promote-neurological-recovery-after-intraventricular-hemorrhage
#11
Govindaiah Vinukonda, Preeti Dohare, Arslan Arshad, Muhammad T Zia, Sanjeet Panda, Ritesh Korumilli, Robert Kayton, Vincent C Hascall, Mark E Lauer, Praveen Ballabh
Intraventricular hemorrhage (IVH) in premature infants results in inflammation, arrested oligodendrocyte progenitor cell (OPC) maturation, and reduced myelination of the white matter. Hyaluronan (HA) inhibits OPC maturation and complexes with the heavy chain (HC) of glycoprotein inter-α-inhibitor to form pathological HA (HC-HA complex), which exacerbates inflammation. Therefore, we hypothesized that IVH would result in accumulation of HA, and that either degradation of HA by hyaluronidase treatment or elimination of HCs from pathological HA by HA oligosaccharide administration would restore OPC maturation, myelination, and neurological function in survivors with IVH...
January 20, 2016: Journal of Neuroscience: the Official Journal of the Society for Neuroscience
https://www.readbyqxmd.com/read/25052321/fibrinolysis-for-intraventricular-hemorrhage-an-updated-meta-analysis-and-systematic-review-of-the-literature
#12
REVIEW
Nickalus R Khan, Georgios Tsivgoulis, Siang Liao Lee, G Morgan Jones, Cain S Green, Aristeidis H Katsanos, Paul Klimo, Adam S Arthur, Lucas Elijovich, Andrei V Alexandrov
BACKGROUND AND PURPOSE: Intraventricular hemorrhage is associated with high mortality and poor functional outcome. The use of intraventricular fibrinolytic (IVF) therapy as an intervention in intraventricular hemorrhage is an evolving therapy with conflicting reports in the literature. The goal of this study is to investigate the impact of IVF on mortality, functional outcome, ventriculitis, shunt dependence, and rehemorrhage. METHODS: During March and April 2014, a systematic literature search was performed identifying 1359 articles...
September 2014: Stroke; a Journal of Cerebral Circulation
https://www.readbyqxmd.com/read/25024973/a-systematic-review-and-meta-analysis-of-the-timing-of-early-intraventricular-hemorrhage-in-preterm-neonates-clinical-and-research-implications
#13
REVIEW
Sameer Yaseen Al-Abdi, Maryam Ali Al-Aamri
A considerable number of intraventricular hemorrhages (IVH) occur within the first hours of life (HOL). Temporality between IVH and its antecedents as well as a consistent definition of "early IVH" is lacking in a large and growing body of literature. We performed a systematic review of prospective studies that reported onset of IVH in preterm neonates within the first HOL and afterwards. The English literature was searched using three databases up to March 2013. Four timing periods of IVH can be compared in 16 identified studies: 0-6; 7-12; 13-24; after 24 HOL...
April 2014: Journal of Clinical Neonatology
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