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Deafness congenital infections

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https://www.readbyqxmd.com/read/28796762/notes-from-the-field-zika-virus-associated-neonatal-birth-defects-surveillance-texas-january-2016-july-2017
#1
Noemi Borsay Hall, Kelly Broussard, Nicole Evert, Mark Canfield
On November 28, 2016, the Texas Department of State Health Services (Texas DSHS) reported its first confirmed case of local mosquitoborne Zika virus transmission in the city of Brownsville, located in south Texas along the U.S.-Mexico border. Zika virus infection during pregnancy has been linked to adverse congenital outcomes including microcephaly, neural tube defects, early brain malformations, structural eye abnormalities, congenital deafness, and limb contractures (1). On January 1, 2016, Texas DSHS established enhanced surveillance to identify women with laboratory evidence of possible Zika virus infection during pregnancy and suspected cases of Zika virus-associated birth defects among completed pregnancies...
August 11, 2017: MMWR. Morbidity and Mortality Weekly Report
https://www.readbyqxmd.com/read/28764293/the-serological-evidence-of-cytomegalovirus-infection-as-a-potent-aetiological-factor-for-cleft-lip-palate-mental-retardation-and-deafness
#2
D V Divya, Madu Ghana Shyam Prasad, Ambati Naga Radhakrishna, S Pavani Reddy, K Pratyusha, K V K Santosh Kumar, R V Sandeep
INTRODUCTION: Congenital Cytomegalovirus (CCMV) infection is estimated to occur in 0.5% to 2% of all deliveries across the world. According to the available literature about Human Cytomegalovirus (HCMV) infected children, 0.5% to 1% acquire Cytomegalovirus (CMV) in utero, 40% acquire the infection within the first decade of life, between 15% to 70% acquire CMV infection in group day care settings and continue to shed the virus for 6 to 48 months after primary infection. Although, 90% of the infected infants are clinically asymptomatic at birth, shreds of evidence show that these infants are at risk for audiological, neurological, and developmental sequelae...
June 2017: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/28649563/symptomatic-congenital-cytomegalovirus-infection-in-children-of-seropositive-women
#3
Ines Mack, Marie-Anne Burckhardt, Ulrich Heininger, Friederike Prüfer, Sven Schulzke, Sven Wellmann
Cytomegalovirus (CMV) is the most frequent congenital virus infection worldwide. The risk of congenital CMV (cCMV) transmission is highest in seronegative women who acquire primary CMV infection during pregnancy. A growing body of evidence indicates that secondary CMV infections in pregnant women with preconceptual immunity (either through reactivation of latent virus or re-infection with a new strain of CMV) contribute to a much greater proportion of symptomatic cCMV than was previously thought. Here, we describe a case of symptomatic cCMV infection in the newborn of a woman with proven immunity prior to pregnancy...
2017: Frontiers in Pediatrics
https://www.readbyqxmd.com/read/28604578/long-term-outcomes-of-cochlear-implantation-in-children-with-congenital-cytomegalovirus-infection
#4
Haruo Yoshida, Haruo Takahashi, Yukihiko Kanda, Kyoko Kitaoka, Minoru Hara
OBJECTIVE: To investigate the role of the developmental delay often observed in children with congenital cytomegalovirus (CMV) infection on the improvement of language understanding after cochlear implantation (CI). STUDY DESIGN: Retrospective chart review. PATIENTS: Sixteen children with severe and/or profound hearing loss due to congenital CMV infection (CMV group) and 107 congenitally deaf children (168 ears) without CMV infection as the cause of deafness (non-CMV group)...
August 2017: Otology & Neurotology
https://www.readbyqxmd.com/read/28575919/zika-virus-infection-in-pregnant-women-and-microcephaly
#5
Geraldo Duarte, Antonio Fernandes Moron, Artur Timerman, César Eduardo Fernandes, Corintio Mariani Neto, Gutemberg Leão de Almeida Filho, Heron Werner Junior, Hilka Flavia Barra do Espírito Santo, João Alfredo Piffero Steibel, João Bortoletti Filho, Juvenal Barreto Borriello de Andrade, Marcelo Burlá, Marcos Felipe Silva de Sá, Newton Eduardo Busso, Paulo César Giraldo, Renato Augusto Moreira de Sá, Renato Passini Junior, Rosiane Mattar, Rossana Pulcineli Vieira Francisco
From the discovery of the Zika virus (ZIKV) in 1947 in Uganda (Africa), until its arrival in South America, it was not known that it would affect human reproductive life so severely. Today, damage to the central nervous system is known to be multiple, and microcephaly is considered the tip of the iceberg. Microcephaly actually represents the epilogue of this infection's devastating process on the central nervous system of embryos and fetuses. As a result of central nervous system aggression by the ZIKV, this infection brings the possibility of arthrogryposis, dysphagia, deafness and visual impairment...
May 2017: Revista Brasileira de Ginecologia e Obstetrícia
https://www.readbyqxmd.com/read/28456432/maternal-immune-correlates-of-protection-against-placental-transmission-of-cytomegalovirus
#6
Hannah L Itell, Cody S Nelson, David R Martinez, Sallie R Permar
Human cytomegalovirus (HCMV) is the most common congenitally transmitted pathogen worldwide, impacting an estimated 1 million newborns annually. In a subset of infected infants, congenital HCMV causes severe, long-lasting sequelae, including deafness, microcephaly, neurodevelopmental delay, and even death. Accordingly, a maternal vaccine to prevent congenital HCMV infection continues to be a top public health priority. Nevertheless, all vaccines tested to date have failed to meet clinical trial endpoints. Maternal immunity provides partial protection against congenital HCMV transmission, as vertical transmission from seropositive mothers is relatively rare...
April 20, 2017: Placenta
https://www.readbyqxmd.com/read/28366032/etiology-of-single-sided-deafness-and-asymmetrical-hearing-loss
#7
Shin-Ichi Usami, Ryosuke Kitoh, Hideaki Moteki, Shin-Ya Nishio, Tomohiro Kitano, Masafumi Kobayashi, Jun Shinagawa, Yoh Yokota, Kenjiro Sugiyama, Kizuki Watanabe
CONCLUSIONS: The present study revealed that various etiologies are involved in single-sided deafness (SSD), and that the cause of SSD and asymmetrical hearing loss (AHL) differed greatly between congenital/early-onset cases and adult cases. Clarification of the etiology is the first step toward providing appropriate intervention. OBJECTIVES: The study aimed to clarify the etiology of SSD and AHL patients. METHODS: The etiology of a total of 527 SSD or AHL patients who visited Shinshu University Hospital between 2006 and 2016 were analyzed by imaging as well as serological tests for mumps virus, and CMV DNA testing...
2017: Acta Oto-laryngologica
https://www.readbyqxmd.com/read/28356534/mutual-interplay-between-the-human-cytomegalovirus-terminase-subunits-pul51-pul56-and-pul89-promotes-terminase-complex-formation
#8
Sebastian Neuber, Karen Wagner, Thomas Goldner, Peter Lischka, Lars Steinbrueck, Martin Messerle, Eva Maria Borst
Human cytomegalovirus (HCMV) genome encapsidation requires several essential viral proteins, among them pUL56, pUL89, and the recently described pUL51, which constitute the viral terminase. To gain insight into terminase complex assembly, we investigated interactions between the individual subunits. For analysis in the viral context, HCMV bacterial artificial chromosomes carrying deletions in the open reading frames encoding the terminase proteins were used. These experiments were complemented by transient-transfection assays with plasmids expressing the terminase components...
June 15, 2017: Journal of Virology
https://www.readbyqxmd.com/read/28332898/herpes-simplex-virus-1-and-cytomegalovirus-dnas-detection-in-the-inner-ear-of-implanted-patients-with-non-congenital-infection
#9
Walter Di Nardo, Roberta Anzivino, Paola Cattani, Rosaria Santangelo, Eugenio De Corso, Gaetano Paludetti
CONCLUSIONS: The detection of cytomegalovirus (CMV) and herpes simplex virus-1 (HSV-1) genome in perilymph of patients with negative serology or clinical history for congenital infections supports the hypothesis that Herpesviridae, even after acquired postnatal infections, could remain in latent phase in the spiral ganglion and damage the cochlea by a possible subsequent reactivation. Further studies are needed to identify the markers of such reactivation. OBJECTIVE: To identify the presence of certain viral species in the endolabyrinthic fluid of deaf patients with non-congenital infection...
March 23, 2017: Acta Oto-laryngologica
https://www.readbyqxmd.com/read/28151902/clinical-pathological-and-genetic-evaluations-of-chinese-patient-with-otodental-syndrome-and-multiple-complex-odontoma-case-report
#10
Anqi Liu, Meiling Wu, Xiaohe Guo, Hao Guo, Zhifei Zhou, Kewen Wei, Kun Xuan
Otodental syndrome is a rare autosomal-dominant disease characterized by globodontia, associated with sensorineural, high-frequency hearing loss. Here, we describe the clinical, pathological, and genetic evaluations of a 9-year-old girl with otodental syndrome and multiple complex odontoma.The patient presented with a draining sinus tract in her left cheek, globodontia, and hearing loss. The odontomas which caused the cutaneous sinus tracts were extracted because of the odontogenic infection. The extracted odontoma and primary tooth was studied by micro-CT and further observed histopathologically...
February 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28031434/testing-for-cytomegalovirus-in-pregnancy
#11
REVIEW
Alda Saldan, Gabriella Forner, Carlo Mengoli, Nadia Gussetti, Giorgio Palù, Davide Abate
Congenital cytomegalovirus (CMV) infection represents a relevant cause of deafness and neurological damage in newborns. Intrauterine CMV transmission might result after primary or nonprimary infections, though at different rates (30% versus 0.2%, respectively). At present, a prenatal diagnosis of CMV infection is based mainly on maternal serology, the detection of CMV-DNA in amniotic fluid and fetal blood, and ultrasound (US) and magnetic resonance imaging (MRI). Recent evidences suggest that congenital CMV infection may be an immune-mediated disease and that evaluation of humoral and especially T-cell immunities may improve the overall prenatal diagnosis...
March 2017: Journal of Clinical Microbiology
https://www.readbyqxmd.com/read/27875026/disseminated-bcg-pneumonitis-revealing-severe-combined-immunodeficiencyxs-in-charge-syndrome
#12
Hyung Young Kim, Yoo-Mi Kim, Hee Ju Park
CHARGE (coloboma, heart defect, atresia choanae, retarded growth and development, genital hypoplasia, and ear anomalies/deafness) syndrome is a rare genetic disorder caused by CHD7 mutation and is related to immunodeficiency. A 6-month-old girl with right lung agenesis, congenital heart defects, and ear anomalies developed repeated and serious respiratory infection for a short period. She was clinically diagnosed with typical CHARGE syndrome with severe combined immunodeficiency (T-, B+, NK-); however, CHD7 mutation was not detected...
November 22, 2016: Pediatric Pulmonology
https://www.readbyqxmd.com/read/27844024/peroxisome-proliferator-activated-receptor-%C3%AE-ppar%C3%AE-activation-a-key-determinant-of-neuropathogeny-during-congenital-infection-by-cytomegalovirus
#13
COMMENT
Stéphane Chavanas
Congenital infection by human cytomegalovirus (HCMV) might result in permanent neurological sequelae, including sensorineural deafness, cerebral palsies or devastating neurodevelopmental abnormalities. We recently disclosed that Peroxisome Proliferator-Activated Receptor gamma (PPARγ), a transcription factor of the nuclear receptor superfamily, is a key determinant of HCMV pathogenesis in developing brain. Using neural stem cells from human embryonic stem cells, we showed that HCMV infection strongly increases levels and activity of PPARγ in NSCs...
2016: Neurogenesis (Austin, Tex.)
https://www.readbyqxmd.com/read/27843092/rmnd1-related-leukoencephalopathy-with-temporal-lobe-cysts-and-hearing-loss-another-mendelian-mimicker-of-congenital-cytomegalovirus-infection
#14
Nicole Ulrick, Amy Goldstein, Cas Simons, Ryan J Taft, Guy Helman, Amy Pizzino, Miriam Bloom, Julie Vogt, Karen Pysden, Daria Diodato, Diego Martinelli, Ahmad Monavari, Daniela Buhas, Clara D M van Karnebeek, Imen Dorboz, Odile Boespflug-Tanguy, Diana Rodriguez, Martine Tétreault, Jacek Majewski, Genevieve Bernard, Yi Shiau Ng, Robert McFarland, Adeline Vanderver
BACKGROUND: Leukoencephalopathy with temporal lobe cysts may be associated with monogenetic conditions such as Aicardi-Goutières syndrome or RNASET2 mutations and with congenital infections such as cytomegalovirus. In view of the fact that congenital cytomegalovirus is difficult to confirm outside the neonatal period, excluding a Mendelian disorder is extremely relevant, changing family planning and medical management in affected families. We performed diagnostic testing in individuals with leukoencephalopathy with temporal lobe cysts without a definitive diagnosis of congenital cytomegalovirus infection...
January 2017: Pediatric Neurology
https://www.readbyqxmd.com/read/27723885/cost-effectiveness-of-universal-and-targeted-newborn-screening-for-congenital-cytomegalovirus-infection
#15
Soren Gantt, Francois Dionne, Fred K Kozak, Oran Goshen, David M Goldfarb, Albert H Park, Suresh B Boppana, Karen Fowler
Importance: Congenital cytomegalovirus (cCMV) infection is a major cause of childhood deafness. Most cCMV infections are not diagnosed without newborn screening, resulting in missed opportunities for directed care. Objective: To estimate the cost-effectiveness of universal and targeted newborn cCMV screening programs compared with no cCMV screening. Design, Setting, and Participants: Models were constructed using rates and outcomes from prospective cohort studies of newborn cCMV screening in US postpartum care and early hearing programs...
December 1, 2016: JAMA Pediatrics
https://www.readbyqxmd.com/read/27718221/auditory-toxicity-in-late-preterm-and-term-neonates-with-severe-jaundice
#16
Sanjiv B Amin, Satish Saluja, Arvind Saili, Nirupama Laroia, Mark Orlando, Hongyue Wang, Asha Agarwal
AIM: Jaundice may cause auditory toxicity (auditory neuropathy and hearing loss). However, total serum bilirubin (TSB) does not discriminate neonates at risk for auditory toxicity. We compared TSB, bilirubin:albumin molar ratio (BAMR), and unbound bilirubin for their association with auditory toxicity in neonates with severe jaundice (TSB ≥342μmol/L, or that met exchange transfusion). METHOD: Neonates greater or equal to 34 weeks gestational age with severe jaundice during the first 2 postnatal weeks were eligible for prospective cohort study, unless they had craniofacial malformations, chromosomal disorders, toxoplasmosis, other infections, rubella, cytomegalovirus, herpes simplex infections, surgery, or family history of congenital deafness...
March 2017: Developmental Medicine and Child Neurology
https://www.readbyqxmd.com/read/27508133/challenges-during-baha-surgery-our-experience
#17
Hetal Marfatia, Ratna Priya, Nilam U Sathe, Shampa Mishra
Baha has proven performance and advantages for patients with aural atresia or chronic ear drainage. Being a per cutaneous osseo integrated implant the skin around the fixture is in contact with a foreign body that leads to chronic inflammatory reaction and complications such as skin irritation and overgrowth occur frequently. Challenges that are faced during Baha surgery include those during candidate selection, work up, anesthesia related as well as intra-operative and post operative complications. Ours was a retrospective and observational study where case records of 10 patients who underwent Baha surgery in the Department of E...
September 2016: Indian Journal of Otolaryngology and Head and Neck Surgery
https://www.readbyqxmd.com/read/27429952/use-of-intrathecal-fluorescein-in-recurrent-meningitis-after-cochlear-implantation
#18
Swati Tandon, Satinder Singh, Shalabh Sharma, Asish K Lahiri
INTRODUCTION: Congenital anomalies of the cochlea and labyrinth can be associated with meningitis and varying degrees of hearing loss or deafness. Despite antibiotics, meningitis remains a life threatening complication. CASE REPORT: We report a case of recurrent meningitis following episodes of otitis media in a cochlear implantee child with bilateral vestibulocochlear malformation, due to fistula in the stapes footplate. Intrathecal fluorescin was used to identify the leak site...
May 2016: Iranian Journal of Otorhinolaryngology
https://www.readbyqxmd.com/read/27334585/a-novel-non-replication-competent-cytomegalovirus-capsid-mutant-vaccine-strategy-is-effective-in-reducing-congenital-infection
#19
K Yeon Choi, Matthew Root, Alistair McGregor
UNLABELLED: Congenital cytomegalovirus (CMV) infection is a leading cause of mental retardation and deafness in newborns. The guinea pig is the only small animal model for congenital CMV infection. A novel CMV vaccine was investigated as an intervention strategy against congenital guinea pig cytomegalovirus (GPCMV) infection. In this disabled infectious single-cycle (DISC) vaccine strategy, a GPCMV mutant virus was used that lacked the ability to express an essential capsid gene (the UL85 homolog GP85) except when grown on a complementing cell line...
September 1, 2016: Journal of Virology
https://www.readbyqxmd.com/read/27244797/congenital-rubella-syndrome-a-case-report-on-changes-in-viral-load-and-rubella-antibody-titers
#20
Koo Nagasawa, Naruhiko Ishiwada, Atsushi Ogura, Tomoko Ogawa, Noriko Takeuchi, Haruka Hishiki, Naoki Shimojo
To our knowledge, this is the first report of the use of real-time reverse transcription-polymerase chain reaction to assess changes in viral load in a patient with congenital rubella syndrome (CRS). Rubella-specific antibody titers were also determined. The patient was a male neonate born to a primipara with rubella infection at 10 weeks of gestation. He had no symptoms at birth, but rubella virus was detected in his pharynx, blood, and urine. His mental and physical development was normal for 1 year; however, he was diagnosed with deafness at 13 months of age...
May 2016: Pediatrics
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