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https://www.readbyqxmd.com/read/28634435/the-clinical-uses-of-electrocochleography
#1
REVIEW
William P Gibson
The clinical uses of electrocochleography are reviewed with some technical notes on the apparatus needed to get clear recordings under different conditions. Electrocochleography can be used to estimate auditory thresholds in difficult to test children and a golf club electrode is described. The same electrode can be used to obtain electrical auditory brainstem responses (EABR). Diagnostic testing in the clinic can be performed with a transtympanic needle electrode, and a suitable disposable monopolar electrode is described...
2017: Frontiers in Neuroscience
https://www.readbyqxmd.com/read/28633140/early-intrauterine-transfusion-in-fetuses-with-severe-anemia-caused-by-parvovirus-b19-infection
#2
Astrid Hellmund, Annegret Geipel, Christoph Berg, Rainer Bald, Ulrich Gembruch
OBJECTIVE: To describe procedure-related complications and perinatal survival after intrauterine transfusion (IUT) before 20 weeks of gestation in fetuses with severe anemia due to human parvovirus B19 infection. MATERIALS AND METHODS: A retrospective study was conducted of all fetuses requiring IUT before 20 weeks of gestation in two tertiary referral centers between January 2002 and July 2015. Gestational age (GA) at first IUT, fetal blood sampling results, and presence of hydrops were related to procedure-related complications, fetal death (FD), and perinatal outcome...
June 21, 2017: Fetal Diagnosis and Therapy
https://www.readbyqxmd.com/read/28631586/benign-positional-vertigo-and-endolymphatic-hydrops-what-is-the-connection
#3
A F Jahn
BACKGROUND: Although benign paroxysmal positional vertigo and endolymphatic hydrops are considered to be distinct diagnoses, a minority of vertiginous patients exhibit features of both conditions. This coincidence has been reported previously in the literature, and is reviewed here in terms of possible aetiology. RESULTS AND CONCLUSION: A new hypothesis to account for both conditions is offered, implicating free-floating degenerating debris from the otolithic apparatus...
June 20, 2017: Journal of Laryngology and Otology
https://www.readbyqxmd.com/read/28629280/absent-ductus-venosus-case-series-from-two-tertiary-centres
#4
Giuseppe Maria Maruotti, Gabriele Saccone, M D Andrea Ciardulli, Laura Letizia Mazzarelli, Vincenzo Berghella, M D Pasquale Martinelli
INTRODUCTION: Congenital absence of the ductus venosus (ADV) is a rare vascular anomaly often associated with fetal cardiac and extracardiac anomalies, aneuploidies, and hydrops. The prognosis depends on the patterns of abnormal venous circulation, on the associated malformations and on chromosomal aberrations. METHODS: We performed a retrospective audit of all consecutive cases with ADV referred in our centres and analysed the outcomes. RESULTS: A total of six cases with prenatally diagnosed ADV were identified...
June 19, 2017: Journal of Maternal-fetal & Neonatal Medicine
https://www.readbyqxmd.com/read/28625889/massive-attack-of-honeybee-on-macaws-ara-ararauna-and-ara-chloropterus-in-brazil-a-case-report
#5
Elisane Lenita Milbradt, Tarcísio Macedo Silva, Alessandre Hataka, Carlos Roberto Teixeira, Adriano Sakai Okamoto, Raphael Lucio Andreatti Filho
Three adult birds of the species Ara chloropterus and five of the species Ara ararauna from a conservation breeding facility suffered a massive attack by honeybees. The A. chloropterus birds presented swollen puncture lesions with stingers (mainly in the facial regions without feathers), swelling of the eyelids and subcutaneous tissue, and respiratory distress, and they were treated with intramuscular injections of 1.67 mg/kg of promethazine and 10 mg/kg of hydrocortisone followed by removal of the stingers...
June 15, 2017: Toxicon: Official Journal of the International Society on Toxinology
https://www.readbyqxmd.com/read/28621803/absent-pulmonary-valve-syndrome-diagnosis-associations-and-outcome-in-71-prenatally-diagnosed-cases
#6
Roland Axt-Fliedner, Andrii Kurkevych, Maciej Slodki, Maria Respondek-Liberska, Katarzyna Zych-Krekora, Rüdiger Stressig, Jochen Ritgen, Guiseppe Rizzo, Martin Krapp, Luc de Catte, Gunther Mielke, Stephan Bosselmann, Mathias Meyer-Wittkopf, Andrea Kawecki, Aline Wolter, Marios Mamalis, Christian Enzensberger
OBJECTIVE: To analyze the spectrum of prenatally diagnosed absent pulmonary valve syndrome (APVS) and the outcome from diagnosis onwards. Fetuses with APVS and tetralogy of Fallot (TOF/APVS) and with APVS and intact ventricular septum (APVS/IVS) were included. METHOD: Multicenter retrospective study of the International Prenatal Cardiology Collaboration Group (IPCCG). Clinical and echocardiographic databases of nine referral centers were reviewed from 2012-2016...
June 16, 2017: Prenatal Diagnosis
https://www.readbyqxmd.com/read/28611934/etiology-and-perinatal-outcome-of-nonimmune-hydrops-fetalis-in-southern-china
#7
Sheng He, Linlin Wang, Pingshan Pan, Hongwei Wei, Dahua Meng, Juan Du, Xiaoxian Tian, Chenguang Zheng, Xiaoxia Qiu, Guoyang Luo
Objective  This study aims to analyze the etiology and perinatal outcome of nonimmune hydrops fetalis (NIHF) in Southern China. Methods  All cases with NIHF diagnosed antenatally from January 1, 2007 to December 31, 2014 were identified and analyzed. Results  Total 482 cases of NIHF were identified during the study period. The most common cause of NIHF was hemoglobin (Hb) Bart's disease (61.8%), followed by chromosomal abnormalities (13.5%), idiopathic etiology (13.1%), cardiac abnormalities (6.4%), and others (5...
April 2017: American Journal of Perinatology Reports
https://www.readbyqxmd.com/read/28611933/monochorionic-triamniotic-triplet-pregnancy-complicated-by-twin-reversed-arterial-perfusion-sequence-case-report-and-literature-review
#8
Pingshan Pan, Guoyang Luo, Lu Tang, Jeanne D Rolle, Yuqin Qin, Quan Zeng, Jiangting Wei, Yuanfang Chen, Hongwei Wei
Background  Monochorionic-triamniotic pregnancies are rare and fraught with complications. Case  A case of monochorionic-triamniotic triplet pregnancy complicated by twin reversed arterial perfusion (TRAP) sequence is presented. The patient declined termination or selective fetal reduction. Triplet C was acardiac. At 24 weeks, triplet B developed polyhydramnios. At 30 weeks, polyhydramnios was seen in all three amniotic sacs, but without signs of fetal hydrops and with normal Doppler velocimetry measurements in the umbilical artery, middle cerebral artery, and ductus arteriosus of triplets A and B...
April 2017: American Journal of Perinatology Reports
https://www.readbyqxmd.com/read/28607789/unilateral-enlarged-vestibular-aqueduct-syndrome-and-bilateral-endolymphatic-hydrops
#9
Massimo Ralli, Giuseppe Nola, Luca Sparvoli, Giovanni Ralli
Enlarged vestibular aqueduct (EVA) syndrome is a common congenital inner ear malformation characterized by a vestibular aqueduct with a diameter larger than 1.5 mm, mixed or sensorineural hearing loss that ranges from mild to profound, and vestibular disorders that may be present with a range from mild imbalance to episodic objective vertigo. In our study, we present the case of a patient with unilateral enlarged vestibular aqueduct and bilateral endolymphatic hydrops (EH). EH was confirmed through anamnestic history and audiological exams; EVA was diagnosed using high-resolution CT scans and MRI images...
2017: Case Reports in Otolaryngology
https://www.readbyqxmd.com/read/28604841/evaluation-of-potential-changes-in-liver-and-lung-tissue-of-rats-in-an-ischemia-reperfusion-injury-model-modified-pringle-maneuver
#10
Silvio Henrique Freitas, Renata G S Dória, Rachel S Bueno, William B Rocha, Jair R E Filho, Julieta R E Moraes, Atanásio Serafin Vidane, Carlos E Ambrósio
In surgical procedures involving the liver, such as transplantation, resection, and trauma, a temporary occlusion of hepatic vessels may be required. This study was designed to analyze the lesions promoted by ischemia and reperfusion injury of the hepatic pedicle, in the liver and lung, using histopathological and immunohistochemical techniques. In total, 39 Wistar rats were divided into four groups: control group (C n = 3) and ischemia groups subjected to 10, 20, and 30 minutes of hepatic pedicle clamping (I10, n = 12; I20, n = 12; I30, n = 12)...
2017: PloS One
https://www.readbyqxmd.com/read/28603940/outcome-of-prenatally-diagnosed-fetal-heterotaxy-a-systematic-review-and-meta-analysis
#11
REVIEW
Danilo Italo Pio Buca, Asma Khalil, Giuseppe Rizzo, Alessandra Familiari, Silvia Di Giovanni, Marco Liberati, Daniela Murgano, Alessandra Ricciardulli, Francesco Fanfani, Giovanni Scambia, Francesco D'Antonio
OBJECTIVES: To assess the perinatal outcomes of fetuses affected by heterotaxy. METHODS: Medline, Embase and Cinhal were searched. Only studies reporting a prenatal diagnosis of isomerism were included. The outcomes observed were: associated cardiac and extra-cardiac anomalies, fetal arrhythmias, abnormal karyotype, type of surgical repair and perinatal mortality. The analysis was stratified according the type of heterotaxy syndrome (left, LAI, and right, RAI, atrial isomerism)...
June 12, 2017: Ultrasound in Obstetrics & Gynecology
https://www.readbyqxmd.com/read/28602229/diagnosis-and-following-up-of-m%C3%A3-ni%C3%A3-re-s-disease-using-multifrequency-tympanometry-cutoff-values-and-temporal-changes-in-measurements
#12
Kazuyuki Ishizu, Akihiro Tamae, Kazuhiko Kubo, Takamasa Yoshida, Nozomu Matsumoto, Tetsurou Yasui, Takashi Nakagawa
OBJECTIVE: This study aimed to verify cutoff values for G width (the width of bimodal peaks for the waveform obtained when measuring conductance at 2000Hz) in Japanese individuals diagnosed with Ménière's disease (MD) using multifrequency tympanometry (MFT) and to determine the relationship between the G width and ability to hear low-pitched sounds using measurements over time. METHODS: The study included 51 patients with clinically diagnosed MD, who had not undergone endolymphatic sac surgery, but had no other known ear disease (57 ears in patients aged 22-80 years were affected, and 45 ears in patients aged 18-83 years were unaffected; mean age: 53...
June 8, 2017: Auris, Nasus, Larynx
https://www.readbyqxmd.com/read/28600060/complete-resolution-of-hydrops-by-placement-of-double-basket-catheter-in-a-case-of-macrocystic-type-multilocular-pulmonary-sequestration
#13
Wan-Ju Wu, Jin-Chung Shih, Haruhiko Sago, Ming Chen
OBJECTIVE: We presented a fetus affected by macrocystic lung lesions with progressive hydropic changes during the second trimester, but experienced remarkable resolution of hydrops in the third trimester after a series of in utero interventions. CASE REPORT: A 19-year-old women, G1P0, presented with fetal multilocular thoracic mass and hydropic change at 23(+4) weeks of gestation. After non-directive genetic counseling, she opted for intrauterine cyst aspiration followed by intra-cystic OK-432 injection at 24 weeks of pregnancy, as well as sequential thoracoamniotic shunts at 26 weeks and 27(+3) weeks of pregnancy when we observed hydrops developed progressively...
June 2017: Taiwanese Journal of Obstetrics & Gynecology
https://www.readbyqxmd.com/read/28600054/prenatal-treatment-of-severe-fetal-hemolytic-disease-due-to-anti-m-alloimmunization-by-serial-intrauterine-transfusions
#14
Lin Li, Linhuan Huang, Guangping Luo, Yanmin Luo, Qun Fang
OBJECTIVE: Fetal hemolytic disease is a common cause of fetal hydrops and fetal morbidity and mortality. Despite its relatively low frequency, the anti-M IgG antibody is one of the causes of severe fetal anemia and intrauterine death; only a few cases have been reported. CASE REPORT: This is a case of a pregnant woman with a history of three intrauterine deaths. A diagnosis of severe fetal anemia attributed to anti-M alloimmunization was confirmed in her fifth pregnancy...
June 2017: Taiwanese Journal of Obstetrics & Gynecology
https://www.readbyqxmd.com/read/28592709/relationship-between-contrast-enhancement-of-the-perivascular-space-in-the-basal-ganglia-and-endolymphatic-volume-ratio
#15
Toshio Ohashi, Shinji Naganawa, Toshio Katagiri, Kayao Kuno
PURPOSE: We routinely obtain the endolymphatic hydrops (EH) image using heavily T2-weighted three dimensional-fluid attenuated inversion recovery (hT2w-3D-FLAIR) imaging at 4 hours after intravenous administration of a single-dose of gadolinium-based contrast media (IV-SD-GBCM). While repeating the examination, we speculated that the contrast enhancement of the perivascular space (PVS) in the basal ganglia might be related to the degree of EH. Therefore, the purpose of this study was to investigate the relationship between the endolymphatic volume ratio (%ELvolume) and the signal intensity of the PVS (SI-PVS)...
June 8, 2017: Magnetic Resonance in Medical Sciences: MRMS
https://www.readbyqxmd.com/read/28589256/treatment-of-congenital-pulmonary-airway-malformations-a-systematic-review-from-the-apsa-outcomes-and-evidence-based-practice-committee
#16
Cynthia D Downard, Casey M Calkins, Regan F Williams, Elizabeth J Renaud, Tim Jancelewicz, Julia Grabowski, Roshni Dasgupta, Milissa McKee, Robert Baird, Mary T Austin, Meghan A Arnold, Adam B Goldin, Julia Shelton, Saleem Islam
PURPOSE: Variation in management characterizes treatment of infants with a congenital pulmonary airway malformation (CPAM). This review addresses six clinically applicable questions using available evidence to provide recommendations for the treatment of these patients. METHODS: Questions regarding the management of a pediatric patient with a CPAM were generated. English language articles published between 1960 and 2014 were compiled after searching Medline and OvidSP...
June 6, 2017: Pediatric Surgery International
https://www.readbyqxmd.com/read/28586146/locating-the-level-and-extent-of-congenital-high-airway-obstruction-fluid-in-the-airway-tract-as-reference-points
#17
Mamatha Gowda, Shilpa Gupta, Ashraf Ali, Shanthi Paranthaman
Described here are a series of four cases of congenital high airway obstruction in the fetus. All of the patients presented in the second trimester and all had hydrops fetalis. Three cases had bilateral hyperinflated lungs, midline shift of heart, flattening or inversion of the diaphragm, and fetal ascites. Autopsy was performed in one of these three and showed laryngeal atresia. In one fetus, there was only a unilateral huge enlargement of the lung with mediastinal shift. On autopsy, this fetus had atresia of right main bronchus...
June 6, 2017: Journal of Ultrasound in Medicine: Official Journal of the American Institute of Ultrasound in Medicine
https://www.readbyqxmd.com/read/28580721/persistent-hemolytic-disease-of-the-fetus-and-newborn-hdfn-associated-with-passive-acquisition-of-anti-d-in-maternal-breast-milk
#18
Marissa Li, John C Blaustein
BACKGROUND: Anti-D is a well-documented, significant cause of hemolytic disease of the fetus and newborn (HDFN), but its presence in breast milk is not routinely described. Theoretically, breast milk containing anti-D could have the potential to exacerbate HDFN if ingested by the affected infant. STUDY DESIGN AND METHODS: This is a case report of a 28-week premature male neonate with hydrops fetalis born to a 32-year-old woman (gravidity 3/parity 3) with anti-D and anti-G...
June 5, 2017: Transfusion
https://www.readbyqxmd.com/read/28579380/-acute-spontaneous-corneal-hydrops-in-a-patient-with-pellucid-marginal-corneal-degeneration
#19
S Harchali, S Azenoud, S Elmerrouni, M Zarrouki, M Elyadari, E Abdellah, A Berraho
No abstract text is available yet for this article.
June 1, 2017: Journal Français D'ophtalmologie
https://www.readbyqxmd.com/read/28578350/ex-utero-intrapartum-treatment-to-ventricular-pacing-a-novel-delivery-strategy-for-complete-atrioventricular-block-with-severe-bradycardia
#20
Bettina F Cuneo, Max B Mitchell, Ahmed I Marwan, Matthew Green, Johannes C von Alvensleben, Regina Reynolds, Timothy M Crombleholme, Henry L Galan
Fetuses with anti-SSA-mediated complete atrioventricular block (CAVB) are at high risk for perinatal death if they present at <20 weeks of gestation and develop ventricular rates of <55 beats per minute (bpm), cardiac dysfunction, or hydrops [Izmirly et al.: Circulation 2011;124:1927-1935; Jaeggi et al.: J Am Coll Cardiol 2002;39:130-137; Eliasson et al.: Circulation 2011;124:1919-1926]. After our experience with two such fetuses who died with pulseless electrical activity despite being paced within 30 min of birth, we performed an ex utero intrapartum treatment procedure to ventricular pacing on a 36-week CAVB fetus with cardiac dysfunction, mild hydrops, and a ventricular rate of 46 bpm...
June 3, 2017: Fetal Diagnosis and Therapy
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