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Central apnea

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https://www.readbyqxmd.com/read/29336036/the-incidence-and-significance-of-periictal-apnea-in-epileptic-seizures
#1
Nuria Lacuey, Bilal Zonjy, Johnson P Hampson, M R Sandhya Rani, Anita Zaremba, Rup K Sainju, Brian K Gehlbach, Stephan Schuele, Daniel Friedman, Orrin Devinsky, Maromi Nei, Ronald M Harper, Luke Allen, Beate Diehl, John J Millichap, Lisa Bateman, Mark A Granner, Deidre N Dragon, George B Richerson, Samden D Lhatoo
OBJECTIVE: The aim of this study was to investigate periictal central apnea as a seizure semiological feature, its localizing value, and possible relationship with sudden unexpected death in epilepsy (SUDEP) pathomechanisms. METHODS: We prospectively studied polygraphic physiological responses, including inductance plethysmography, peripheral capillary oxygen saturation (SpO2 ), electrocardiography, and video electroencephalography (VEEG) in 473 patients in a multicenter study of SUDEP...
January 16, 2018: Epilepsia
https://www.readbyqxmd.com/read/29329111/severe-peri-ictal-respiratory-dysfunction-is-common-in-dravet-syndrome
#2
YuJaung Kim, Eduardo Bravo, Caitlin K Thirnbeck, Lori A Smith-Mellecker, Se Hee Kim, Brian K Gehlbach, Linda C Laux, Douglas R Nordli Jr, George B Richerson
Dravet syndrome (DS) is a severe childhood-onset epilepsy commonly due to mutations of the sodium channel gene SCN1A. DS patients have a high risk of sudden unexplained death in epilepsy (SUDEP), believed to be due to cardiac mechanisms. Here we show that DS patients have peri-ictal respiratory dysfunction. One patient who had severe and prolonged postictal hypoventilation later died of SUDEP. Mice with an Scn1aR1407X/+ loss of function mutation died after spontaneous and heat-induced seizures due to central apnea followed by progressive bradycardia...
January 11, 2018: Journal of Clinical Investigation
https://www.readbyqxmd.com/read/29317923/identification-of-inhaler-technique-errors-with-a-routine-procedure-in-portuguese-community-pharmacy
#3
M Margarida Castel-Branco, Ana Fontes, Isabel V Figueiredo
Background: A correct selection of drugs prescribed, but also the choice of the appropriate inhaler device, is crucial for the control of respiratory diseases. Objective: To evaluate the inhaler technique and identify potential errors of patients when treated with inhalers by testing a routinary procedure to be implemented in any community pharmacy. Methods: Adults with asthma/COPD and under inhalation therapy were invited to demonstrate how they use their inhalers...
October 2017: Pharmacy Practice
https://www.readbyqxmd.com/read/29302266/the-first-korean-case-of-combined-oxidative-phosphorylation-deficiency-17-diagnosed-by-clinical-and-molecular-investigation
#4
Young A Kim, Yoo-Mi Kim, Yun-Jin Lee, Chong Kun Cheon
Combined oxidative phosphorylation deficiency-17 (COXPD-17) is very rare and is caused by homozygous or compound heterozygous mutations in the ELAC2 gene on chromosome 17p12. The ELAC2 gene functions as a mitochondrial tRNA processing gene, and only 4 different pathogenic mutations have been reported in ELAC2-associated mitochondrial dysfunction involving oxidative phosphorylation. Affected patients show various clinical symptoms and prognosis, depending on the genotype. We report a novel mutation in the ELAC2 gene (c...
December 2017: Korean Journal of Pediatrics
https://www.readbyqxmd.com/read/29291467/obstructive-sleep-apnea-as-a-risk-factor-associated-with-difficult-airway-management-a-narrative-review
#5
Siaw May Leong, Akhilesh Tiwari, Frances Chung, David T Wong
STUDY OBJECTIVE: The association between obstructive sleep apnea (OSA) and difficult airway had been studied in various clinical trials but the relationship between the two conditions has not been clearly established. The objective of this narrative review is to determine if OSA is a risk factor associated with difficult airway. DESIGN: The OVID Medline in process, Medline (vis Pub Med), EMBASE, Cochrane Central Register of Controlled Trials, Cochrane Database of Systematic Reviews, Web of Science and SCOPUS were searched up to April 2016 using specific keywords...
December 29, 2017: Journal of Clinical Anesthesia
https://www.readbyqxmd.com/read/29287870/postoperative-bradycardia-following-adenotonsillectomy-in-children-does-intraoperative-administration-of-dexmedetomidine-play-a-role
#6
Benjamin Bush, Joseph D Tobias, Chen Lin, James Ruda, Kris R Jatana, Garth Essig, Jennifer Cooper, Dmitry Tumin, Charles A Elmaraghy
INTRODUCTION: Dexmedetomidine is a novel pharmacologic agent that has become a frequently used adjunct during care of pediatric patients with obstructive sleep apnea (OSA) undergoing tonsillectomy. While generally safe and effective, dexmedetomidine is associated with adverse effects of hypotension and bradycardia from its central sympatholytic effects. Due to safety concerns, our institution routinely admits patients with OSA for overnight cardiorespiratory monitoring following tonsillectomy...
January 2018: International Journal of Pediatric Otorhinolaryngology
https://www.readbyqxmd.com/read/29286936/haddad-syndrome-novel-association-with-braf-mutation
#7
Suleiman Al Dakhoul
This is a report of a 36 week male infant who suffered abdominal distension and difficulty opening bowels within first few days of life and showed a pattern of hypoventilation and apnea associated with sleep. His diagnostic studies confirmed the diagnosis of congenital central hypoventilation syndrome CCHS (PHOX2B mutation) and Hirschsprung's disease and later found a further mutation of BRAF oncogene. This describes a novel association between these mutations and the shared qualities of tumorigenesis between BRAF and PHOX2B...
2017: Journal of Neonatal-perinatal Medicine
https://www.readbyqxmd.com/read/29275345/preoxygenation-with-non-invasive-ventilation-versus-high-flow-nasal-cannula-oxygen-therapy-for-intubation-of-patients-with-acute-hypoxaemic-respiratory-failure-in-icu-the-prospective-randomised-controlled-florali-2-study-protocol
#8
Jean-Pierre Frat, Jean-Damien Ricard, Rémi Coudroy, René Robert, Stéphanie Ragot, Arnaud W Thille
INTRODUCTION: Endotracheal intubation in intensive care unit (ICU) is a procedure at high risk of life-threatening complications. Among them, severe oxygen desaturation, usually defined as a drop of pulse oxymetry (SpO2) below 80%, is the most common. Preoxygenation enables delaying oxygen desaturation occurring during apnea induced by anaesthetic drugs. Data suggest that non-invasive ventilation (NIV) or high-flow nasal cannula (HFNC) oxygen therapy could further increase PaO2 before intubation procedure and prevent oxygen desaturation episodes as compared with standard oxygen...
December 22, 2017: BMJ Open
https://www.readbyqxmd.com/read/29275211/up-regulation-of-pomc-and-cart-mrnas-by-intermittent-hypoxia-via-gata-transcription-factors-in-human-neuronal-cells
#9
Ryogo Shobatake, Ken Takasawa, Hiroyo Ota, Asako Itaya-Hironaka, Akiyo Yamauchi, Sumiyo Sakuramoto-Tsuchida, Tomoko Uchiyama, Mai Makino, Kazuma Sugie, Shin Takasawa, Satoshi Ueno
Sleep apnea syndrome (SAS) is characterized by intermittent hypoxia (IH) during sleep. SAS and obesity are strongly related to each other. Here, we investigated the effect of IH on the expression of major appetite regulatory genes in human neuronal cells. We exposed NB-1, SH-SY5Y, and SK-N-SH human neuronal cells to IH (64 cycles of 5 min hypoxia and 10 min normoxia), normoxia, or sustained hypoxia for 24 h and measured the mRNA levels of proopiomelanocortin (POMC), cocaine- and amphetamine-regulated transcript (CART), galanin, galanin-like peptide, ghrelin, pyroglutamylated RFamide peptide, agouti-related peptide, neuropeptide Y, and melanocortin 4 receptor by real-time RT-PCR...
December 21, 2017: International Journal of Biochemistry & Cell Biology
https://www.readbyqxmd.com/read/29273515/nasal-versus-oronasal-cpap-for-obstructive-sleep-apnea-treatment-a-meta-analysis
#10
Rafaela G S Andrade, Fernanda M Viana, Juliana A Nascimento, Luciano F Drager, Adriano Moffa, André R Brunoni, Pedro R Genta, Geraldo Lorenzi-Filho
BACKGROUND: Nasal continuous positive airway pressure (CPAP) is the gold standard treatment for obstructive sleep apnea (OSA). However, oronasal masks are frequently used in clinical practice. The aim of this study was to perform a meta-analysis of all randomized and non-randomized trials that compared nasal versus oronasal masks on CPAP level, residual apnea-hypopnea index (AHI) and CPAP adherence to treat OSA. METHODS: Cochrane Central Register of Controlled Trials, Medline and Web of Science were searched for relevant studies in any language with the following terms: "sleep apnea" AND "CPAP" OR "sleep apnea" AND "oronasal mask" OR "OSA" AND "oronasal CPAP" OR "oronasal mask" AND "adherence"...
December 19, 2017: Chest
https://www.readbyqxmd.com/read/29258810/sex-differences-in-sleep-apnea-and-comorbid-neurodegenerative-diseases
#11
Brina Snyder, Rebecca L Cunningham
Sleep apnea is a disorder, which increasingly affects people worldwide. Whether the associated hypoxic events during sleep are central or obstructive in origin, the end result is excessive daytime sleepiness and an increased risk for several comorbidities, such as cardiovascular and neurodegenerative disorders. Sleep apnea is diagnosed more frequently in men than women, suggesting a role of sex hormones in the pathology of the disease. Furthermore, there are sex differences in the development and progression of comorbid diseases associated with sleep apnea...
December 16, 2017: Steroids
https://www.readbyqxmd.com/read/29246449/contribution-of-relative-leptin-and-adiponectin-deficiencies-in-premature-infants-to-chronic-intermittent-hypoxia-exploring-a-new-hypothesis
#12
REVIEW
Estelle B Gauda, Zankhana Master
Chronic intermittent hypoxia (CIH) occurs frequently in premature infants who have apnea of prematurity. Immaturity of the respiratory network from low central respiratory drive and the greater contribution of the carotid body on baseline breathing leads to respiratory instability in premature infants presenting as apnea and periodic breathing. During the 2nd week after birth, the smallest and the youngest premature infants have increased frequency of apnea and periodic breathing and associated oxygen desaturations that can persist for weeks after birth...
December 12, 2017: Respiratory Physiology & Neurobiology
https://www.readbyqxmd.com/read/29246268/sleep-related-orgasms-in-a-57-year-old-woman-a-case-report
#13
Muna Irfan, Carlos H Schenck
We report a case of problematic spontaneous orgasms during sleep in a 57-year-old woman who also complained of hypnic jerks and symptoms of exploding head syndrome. To our knowledge, this is the first case report in the English language literature of problematic spontaneous orgasms during sleep. She had a complex medical and psychiatric history, and was taking oxycontin, venlafaxine, amitriptyline, and lurasidone. Prolonged video electroencephalogram monitoring did not record any ictal or interictal electroencephalogram discharges, and nocturnal video polysomnography monitoring did not record any behavioral or orgasmic event...
December 13, 2017: Journal of Clinical Sleep Medicine: JCSM: Official Publication of the American Academy of Sleep Medicine
https://www.readbyqxmd.com/read/29245296/the-clinical-surrogate-definition-of-the-trigeminocardiac-reflex-development-of-an-optimized-model-according-to-a-prisma-compliant-systematic-review
#14
Cyrill Meuwly, Tumul Chowdhury, Ricardo Gelpi, Paul Erne, Thomas Rosemann, Bernhard Schaller
BACKGROUND: The trigeminocardiac reflex (TCR) is defined as sudden onset of parasympathetic dysrhythmias including hemodynamic irregularities, apnea, and gastric hypermotility during stimulation of sensory branches of the trigeminal nerve. Since the first description of the TCR 1999, there is an ongoing discussion about a more flexible than the existing clinical definition. Aim of this work was to create a clinical surrogate definition through a systematic review of the literature. METHODS: In this meta-analysis study, literature about TCR occurrences was, according to the Preferred Reporting Items for Systematic Reviews and Meta-Analysis statement, systematically identified through various search engines including PubMed (Medline), Embase (Ovid SP), and ISI Web of Sciences databases from January 2005 to August 2015...
December 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/29241747/pathophysiology-of-the-metabolic-syndrome
#15
Emma McCracken, Monica Monaghan, Shiva Sreenivasan
The metabolic syndrome-otherwise called syndrome X, insulin resistance syndrome, Reaven syndrome, and "the deadly quartet"-is the name given to the aggregate of clinical conditions comprising central and abdominal obesity, systemic hypertension, insulin resistance (or type 2 diabetes mellitus), and atherogenic dyslipidemia. It is a prothrombotic and proinflammatory state characterized by increased inflammatory cytokine activity. In addition to inflammatory dermatoses such as psoriasis, lichen planus, and hidradenitis suppurativa, metabolic syndrome is also commonly associated with accelerated atherosclerotic cardiovascular disease, hyperuricemia/gout, chronic kidney disease, and obstructive sleep apnea...
January 2018: Clinics in Dermatology
https://www.readbyqxmd.com/read/29241201/cot-death-history-of-an-iatrogenic-disaster
#16
Michael Obladen
Since antiquity, cot death has been explained as accidental suffocation, overlaying, or smothering. Parents were blamed for neglect or drunkenness. A cage called arcuccio was invented around 1570 to protect the sleeping infant. Up to the 19th century, accidents were registered as natural causes of death. From 1830, accidental suffocation became unacceptable for physicians and legislators, and "natural" explanations for the catastrophe were sought, with parents being consoled rather than blamed. Two assumed causes had serious consequences: thymus hyperplasia was irradiated, causing thyroid cancer, and the concept of central apnea was widely accepted, which led to home monitors and distracted from epidemiological evidence...
December 15, 2017: Neonatology
https://www.readbyqxmd.com/read/29229259/effects-of-positive-airway-pressure-and-mechanical-ventilation-of-the-lungs-during-cardiopulmonary-bypass-on-pulmonary-adverse-events-after-cardiac-surgery-a-systematic-review-and-meta-analysis
#17
Yi-Chia Wang, Chi-Hsiang Huang, Yu-Kang Tu
OBJECTIVE: To investigate whether different ventilation strategies during cardiopulmonary bypass (CPB) can improve outcomes in adult cardiac surgery patients. DESIGN: Systematic review of randomized controlled trials with meta-analyses. SETTING: Clinical trials for human studies up to July 2016 were obtained from electronic databases (Medline, Embase, PubMed, and the Cochrane Central Register of Controlled Trials) and reference lists of relevant randomized trials and review articles...
September 14, 2017: Journal of Cardiothoracic and Vascular Anesthesia
https://www.readbyqxmd.com/read/29229100/sleep-related-respiratory-events-during-non-invasive-ventilation-of-patients-with-chronic-hypoventilation
#18
Sigurd Aarrestad, Magnus Qvarfort, Anne Louise Kleiven, Elin Tollefsen, Ole Henning Skjønsberg, Jean-Paul Janssens
BACKGROUND: Non-invasive ventilation (NIV) is increasingly used in the treatment of patients with chronic hypercapnic respiratory failure (CRF). Residual sleep related respiratory events under NIV such as obstructive or central apnea/hypopnea (AH), or patient-ventilator asynchrony (PVA), may compromise treatment efficacy and/or comfort. AIMS OF STUDY: 1/to quantify the frequency and describe the types of both AH and PVA in a large group of stable patients with CRF during night-time NIV; 2/to analyze the influence of these events on overnight pulse oximetry and transcutaneous CO2 and 3/to assess interrater agreement in identifying and quantifying AH and PVA...
November 2017: Respiratory Medicine
https://www.readbyqxmd.com/read/29223509/neuropeptides-and-breathing-in-health-and-disease
#19
REVIEW
Katarzyna Kaczyńska, Dominika Zając, Piotr Wojciechowski, Ewelina Kogut, Małgorzata Szereda-Przestaszewska
Regulatory neuropeptides control and regulate breathing in physiological and pathophysiological conditions. While they have been identified in the neurons of major respiratory areas, they can be active not only at the central level, but also at the periphery via chemoreceptors, vagal afferents, or locally within lungs and airways. Some neuropeptides, such as leptin or substance P, are respiratory stimulants; others, such as neurotensin, produce variable effects on respiration depending on the site of application...
December 6, 2017: Pulmonary Pharmacology & Therapeutics
https://www.readbyqxmd.com/read/29222618/complex-sleep-apnea-after-full-night-and-split-night-polysomnography-the-greek-experience
#20
Katerina Baou, Charalampos Mermigkis, Aliki Minaritzoglou, Emmanouil Vagiakis
PURPOSE: Treatment-emergent central sleep apnea (TE-CSA) is defined as the emergence or persistence of central respiratory events during the initiation of positive airway pressure (PAP) without a back-up rate in obstructive sleep apnea (OSA) patients and after significant resolution of obstructive events. Previous studies have estimated a prevalence from 0.56 to 20.3%. The aim of this study was to establish the prevalence of TE-CSA in a Greek adult population. METHODS: One thousand fifty nine patients with newly diagnosed OSA, who were referred to the Sleep Disorders Center of Evangelismos Hospital of Athens over an 18-month period, were included in this study...
December 8, 2017: Sleep & Breathing, Schlaf & Atmung
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