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Hypoventilation

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https://www.readbyqxmd.com/read/27899530/deep-breathing-improves-end-tidal-carbon-dioxide-monitoring-of-an-oxygen-nasal-cannula-based-capnometry-device-in-subjects-extubated-after-abdominal-surgery
#1
Shunsuke Takaki, Kenji Mizutani, Moeka Fukuchi, Tasuku Yoshida, Masahumi Idei, Yuko Matsuda, Yoshikazu Yamaguchi, Tetsuya Miyashita, Takeshi Nomura, Osamu Yamaguchi, Takahisa Goto
BACKGROUND: Capnometry detects hypoventilation earlier than pulse oximetry while supplemental oxygen is being administered. We compared the end-tidal CO2 (PETCO2 ) measured using a newly developed oxygen nasal cannula with a CO2-sampling port and the PaCO2 in extubated subjects after abdominal surgery. We also investigated whether the difference between PaCO2 and PETCO2 is affected by resting, by spontaneous breathing with the mouth consciously closed, and by deep breathing with the mouth closed...
November 29, 2016: Respiratory Care
https://www.readbyqxmd.com/read/27894444/unusual-structural-autonomic-disorders-presenting-in-pediatrics-disorders-associated-with-hypoventilation-and-autonomic-neuropathies
#2
REVIEW
Gisela Chelimsky, Thomas Chelimsky
Structural autonomic disorders (producing structural damage to the autonomic nervous system or autonomic centers) are far less common than functional autonomic disorders (reflected in abnormal function of a fundamentally normal autonomic nervous system) in children and teenagers. This article focuses on this uncommon first group in the pediatric clinic. These disorders are grouped into 2 main categories: those characterized by hypoventilation and those that feature an autonomic neuropathy.
February 2017: Pediatric Clinics of North America
https://www.readbyqxmd.com/read/27877098/accidental-epidural-injection-of-rocuronium-in-a-pediatric-patient-a-case-report-and-literature-review
#3
Ting-Ting Wu, David S Hoff
Accidental administration of non-epidural drugs into the epidural or subarachnoid spaces may be associated with unexpected pain, morbidity, adverse effects, increased level of care, prolonged hospital stay, and mortality. We describe a 12-month-old admitted for secondary-stage hypospadias reconstruction. General anesthesia was induced with sevofiurane and a peripheral catheter was placed. Instead of ropivacaine, rocuronium (80 mg; 6.3 mg/kg) was injected into the epidural space by the caudal route. Surgery was uneventful and was completed 160 minutes after rocuronium was given...
September 2016: Journal of Pediatric Pharmacology and Therapeutics: JPPT: the Official Journal of PPAG
https://www.readbyqxmd.com/read/27876089/rapid-onset-obesity-hypoventilation-hypothalamic-dysfunction-autonomic-dysregulation-and-neuroendocrine-tumor-syndrome-with-a-homogenous-enlargement-of-the-pituitary-gland-a-case-report
#4
Lama Aljabban, Lina Kassab, Nour Alhuda Bakoura, Mohammad Fayez Alsalka, Ismaeil Maksoud
BACKGROUND: Rapid-onset obesity with hypoventilation, hypothalamic dysfunction, and autonomic dysregulation syndrome is a rare pediatric disorder with a variable sequence of clinical presentations, undefined etiology, and high risk of mortality. Our patient presented an unusual course of the disease accompanied by a homogenous mild enlargement of her pituitary gland with an intact pituitary-endocrine axis which, to the best of our knowledge, represents a new finding in rapid-onset obesity with hypoventilation, hypothalamic dysfunction, and autonomic dysregulation syndrome...
November 22, 2016: Journal of Medical Case Reports
https://www.readbyqxmd.com/read/27866447/challenges-in-congenital-central-hypoventilation-syndrome-ondine-s-curse-on-pregnancy-a-case-report
#5
Renato Teixeira Souza, Felipe Favorette Campanharo, Edward Araujo Júnior, Gustavo Antonio Moreira, Diego Robles Mazzotti, Rosiane Mattar, Antonio Fernandes Moron, Fernando Morgadinho Santos Coelho
No abstract text is available yet for this article.
November 21, 2016: Journal of Obstetrics and Gynaecology: the Journal of the Institute of Obstetrics and Gynaecology
https://www.readbyqxmd.com/read/27859552/low-pass-imaging-of-dynamic-acquisitions-lida-with-a-group-oriented-registration-goreg-for-proton-mr-imaging-of-lung-ventilation
#6
Andreas Voskrebenzev, Marcel Gutberlet, Till F Kaireit, Frank Wacker, Jens Vogel-Claussen
PURPOSE: To compare low-pass imaging dynamic acquisitions (LIDA) approach in combination with a group-oriented registration (GOREG) scheme with conventional Fourier decomposition (FD). METHODS: Dynamic images of six healthy volunteers and one chronic obstructive pulmonary disease (COPD) patient were acquired on a 1.5 Tesla scanner using a spoiled gradient echo sequence. For the volunteers each slice was acquired during regular (RB) and irregular breathing (IB). For conventional registration (CR), all images were directly registered to the intermediate respiratory position...
November 18, 2016: Magnetic Resonance in Medicine: Official Journal of the Society of Magnetic Resonance in Medicine
https://www.readbyqxmd.com/read/27852952/a-randomised-controlled-trial-of-cpap-versus-non-invasive-ventilation-for-initial-treatment-of-obesity-hypoventilation-syndrome
#7
Mark E Howard, Amanda J Piper, Bronwyn Stevens, Anne E Holland, Brendon J Yee, Eli Dabscheck, Duncan Mortimer, Angela T Burge, Daniel Flunt, Catherine Buchan, Linda Rautela, Nicole Sheers, David Hillman, David J Berlowitz
BACKGROUND: Obesity hypoventilation syndrome (OHS) is the most common indication for home ventilation, although the optimal therapy remains unclear, particularly for severe disease. We compared Bi-level and continuous positive airways pressure (Bi-level positive airway pressure (PAP); CPAP) for treatment of severe OHS. METHODS: We conducted a multicentre, parallel, double-blind trial for initial treatment of OHS, with participants randomised to nocturnal Bi-level PAP or CPAP for 3 months...
November 15, 2016: Thorax
https://www.readbyqxmd.com/read/27852364/-the-expression-of-macrophage-migration-inhibitory-factor-in-obstructive-sleep-apnea-hypopnea-syndrome-and-its-injury-to-endothelial-cells
#8
P Yuan, W J Wang, D F Li, Q Ou, X L Gao
Objective: To study the expression of macrophage migration inhibitory factor (MIF) in obstructive sleep apnea hypopnea syndrome (OSAHS) and its injury to endothelial cells. Methods: According to the PSG test results, subjects who were the first time to take PSG examination without treatment (n=71) were divided into a control group (n=20), a mild OSAHS group (n=19), a moderate OSAHS group (n=15) and severe OSAHS group (n=17). For each patients, 4 ml fasting peripheral blood was obtained when PSG was finished around 6: 30 in the next morning, and the MIF level in plasma was detected with the ELISA method...
November 12, 2016: Chinese Journal of Tuberculosis and Respiratory Diseases
https://www.readbyqxmd.com/read/27852359/-late-onset-central-hypoventilation-with-hypothalamic-dysfunction
#9
(no author information available yet)
No abstract text is available yet for this article.
November 12, 2016: Chinese Journal of Tuberculosis and Respiratory Diseases
https://www.readbyqxmd.com/read/27843344/the-danish-national-database-for-obstructive-sleep-apnea
#10
Poul Jørgen Jennum, Preben Larsen, Charlotte Cerqueira, Thor Schmidt, Philip Tønnesen
AIM: The aim of the Danish National Database for Obstructive Sleep Apnea (NDOSA) was to evaluate the clinical quality (diagnostic, treatment, and management) for obstructive sleep apnea and obesity hypoventilation syndrome in Denmark using a real-time national database reporting to the Danish National Patient Registry. STUDY POPULATION: All patients diagnosed with obstructive sleep apnea or obesity hypoventilation syndrome at public and private in- and out-hospital departments in Denmark were included...
2016: Clinical Epidemiology
https://www.readbyqxmd.com/read/27812378/the-clinical-characteristics-and-hospital-and-post-hospital-survival-of-patients-with-the-obesity-hypoventilation-syndrome-analysis-of-a-large-cohort
#11
P E Marik, C Chen
OBJECTIVE: The worldwide prevalence of obesity has reached epidemic proportions. Obesity hypoventilation syndrome (OHS) is a common yet largely undiagnosed and mistreated condition that likely carries a high mortality. The aim of this study was to determine the clinical characteristics, hospital outcome, outcome following hospital discharge and predictors of death in a large cohort of patients hospitalized with OHS. OHS is an important condition as many patients with this syndrome are misdiagnosed and receive inappropriate treatment...
March 2016: Obesity Science & Practice
https://www.readbyqxmd.com/read/27807016/coexistence-of-osa-may-compensate-for-sleep-related-reduction-in-neural-respiratory-drive-in-patients-with-copd
#12
Bai-Ting He, Gan Lu, Si-Chang Xiao, Rui Chen, Joerg Steier, John Moxham, Michael I Polkey, Yuan-Ming Luo
BACKGROUND: The mechanisms underlying sleep-related hypoventilation in patients with coexisting COPD and obstructive sleep apnoea (OSA), an overlap syndrome, are incompletely understood. We compared neural respiratory drive expressed as diaphragm electromyogram (EMGdi) and ventilation during stage 2 sleep in patients with COPD alone and patients with overlap syndrome. METHODS: EMGdi and airflow were recorded during full polysomnography in 14 healthy subjects, 14 patients with OSA and 39 consecutive patients with COPD...
November 2, 2016: Thorax
https://www.readbyqxmd.com/read/27802825/mog-igg-in-nmo-and-related-disorders-a-multicenter-study-of-50-patients-part-3-brainstem-involvement-frequency-presentation-and-outcome
#13
Sven Jarius, Ingo Kleiter, Klemens Ruprecht, Nasrin Asgari, Kalliopi Pitarokoili, Nadja Borisow, Martin W Hümmert, Corinna Trebst, Florence Pache, Alexander Winkelmann, Lena-Alexandra Beume, Marius Ringelstein, Oliver Stich, Orhan Aktas, Mirjam Korporal-Kuhnke, Alexander Schwarz, Carsten Lukas, Jürgen Haas, Kai Fechner, Mathias Buttmann, Judith Bellmann-Strobl, Hanna Zimmermann, Alexander U Brandt, Diego Franciotta, Kathrin Schanda, Friedemann Paul, Markus Reindl, Brigitte Wildemann
BACKGROUND: Myelin oligodendrocyte glycoprotein antibodies (MOG-IgG) are present in a subset of aquaporin-4 (AQP4)-IgG-negative patients with optic neuritis (ON) and/or myelitis. Little is known so far about brainstem involvement in MOG-IgG-positive patients. OBJECTIVE: To investigate the frequency, clinical and paraclinical features, course, outcome, and prognostic implications of brainstem involvement in MOG-IgG-positive ON and/or myelitis. METHODS: Retrospective case study...
November 1, 2016: Journal of Neuroinflammation
https://www.readbyqxmd.com/read/27797160/pathogenesis-of-central-and-complex-sleep-apnoea
#14
REVIEW
Jeremy E Orr, Atul Malhotra, Scott A Sands
Central sleep apnoea (CSA) - the temporary absence or diminution of ventilatory effort during sleep - is seen in a variety of forms including periodic breathing in infancy and healthy adults at altitude and Cheyne-Stokes respiration in heart failure. In most circumstances, the cyclic absence of effort is paradoxically a consequence of hypersensitive ventilatory chemoreflex responses to oppose changes in airflow, that is elevated loop gain, leading to overshoot/undershoot ventilatory oscillations. Considerable evidence illustrates overlap between CSA and obstructive sleep apnoea (OSA), including elevated loop gain in patients with OSA and the presence of pharyngeal narrowing during central apnoeas...
October 31, 2016: Respirology: Official Journal of the Asian Pacific Society of Respirology
https://www.readbyqxmd.com/read/27797116/methods-to-decrease-blood-loss-during-liver-resection-a-network-meta-analysis
#15
REVIEW
Elisabetta Moggia, Benjamin Rouse, Constantinos Simillis, Tianjing Li, Jessica Vaughan, Brian R Davidson, Kurinchi Selvan Gurusamy
BACKGROUND: Liver resection is a major surgery with significant mortality and morbidity. Specialists have tested various methods in attempts to limit blood loss, transfusion requirements, and morbidity during elective liver resection. These methods include different approaches (anterior versus conventional approach), use of autologous blood donation, cardiopulmonary interventions such as hypoventilation, low central venous pressure, different methods of parenchymal transection, different methods of management of the raw surface of the liver, different methods of vascular occlusion, and different pharmacological interventions...
October 31, 2016: Cochrane Database of Systematic Reviews
https://www.readbyqxmd.com/read/27795490/behavioral-hypothermia-of-a-domesticated-lizard-under-treatment-of-the-hypometabolic-agent-3-iodothyronamine
#16
Kyoungbong Ha, Haksup Shin, Hyunwoo Ju, Chan-Moon Chung, Inho Choi
Ectothermic animals rely on behavioral thermoregulation due to low capacity of heat production and storage. Previously, lizards were shown to achieve 'fever' during microbial infection by increasing their preferred body temperature (PBT) behaviorally, thereby attaining a relatively high survival rate. The purpose of this study was to investigate whether domesticated lizards pursued 'behavioral hypothermia' induced by a hypometabolic agent 3-iodothyronamine (T1AM). We found that treatment with 8.0 mg/kg T1AM caused a lizard species, the leopard gecko (Eublepharis macularius), to decrease its ventilation and oxygen consumption rates 0...
October 31, 2016: Experimental Animals
https://www.readbyqxmd.com/read/27792694/-obesity-and-its-respiratory-effects-detected-through-levels-of-partial-pressure-of-carbon-dioxide-in-the-supine-position
#17
América Sánchez-Medina, Marcela Ma Sánchez-Medina
INTRODUCTION: Obesity is a disease that is closely associated with deleterious respiratory effects such as the Obesity Hypoventilation Syndrome which conventionally includes awake hypercapnia. There are studies addressing the detection of daytime hypercapnia with the patient either in sitting or standing position. However, there are no studies in obese subjects with a normal daytime PaCO2 in whom the detection of hypercapnia is made in the supine position. It is feasible that the physiopathological changes that occur in obese patients when they adopt the supine position lead to increased PaCO2 levels or hypercapnia...
September 2016: Gaceta Médica de México
https://www.readbyqxmd.com/read/27792079/obesity-hypoventilation-syndrome-sleep-apnea-overlap-syndrome-perioperative-management-to-prevent-complications
#18
Raviraj Raveendran, Jean Wong, Mandeep Singh, David T Wong, Frances Chung
PURPOSE OF REVIEW: The prevalence of sleep disordered breathing (SDB) is increasing proportional to the prevalence of obesity. Although anesthesiologists are familiar with obstructive sleep apnea (OSA) - the most common SDB, anesthesiologists may not be aware of other SDB such as obesity hypoventilation syndrome (OHS) and overlap syndrome (combination of OSA and chronic obstructive pulmonary disease). The present review provides an update of information regarding the perioperative management of OHS and overlap syndrome...
October 26, 2016: Current Opinion in Anaesthesiology
https://www.readbyqxmd.com/read/27792077/sleep-sleep-studies-and-sleep-disordered-breathing-basic-knowledge-for-the-anesthesiologist
#19
Andrew P Hall
PURPOSE OF REVIEW: To provide a basic understanding of sleep physiology, the pathophysiology of sleep-disordered breathing and the processes applied in undertaking and assessing sleep studies. RECENT FINDINGS: It has become increasingly apparent that obstructive sleep apnoea is associated with heightened perioperative risk. Furthermore, the condition still remains under-diagnosed in patients presenting for surgery. SUMMARY: This review describes the physiology of sleep including sleep stages, sleep monitoring, the normal hypnogram and investigation from simple overnight pulse oximetry to full polysomnography...
October 26, 2016: Current Opinion in Anaesthesiology
https://www.readbyqxmd.com/read/27790484/utility-of-transcutaneous-capnography-for-optimization-of-non-invasive-ventilation-pressures
#20
Prashant N Chhajed, Simone Gehrer, Kamlesh V Pandey, Preyas J Vaidya, Joerg D Leuppi, Michael Tamm, Werner Strobel
INTRODUCTION: Nocturnal Non-invasive Positive Pressure Ventilation (NPPV) is the treatment of choice in patients with chronic hypercapnic respiratory failure due to hypoventilation. Continuous oxygen saturation measured with a pulse oximeter provides a surrogate measure of arterial oxygen saturation but does not completely reflect ventilation. Currently, Partial Pressure of Arterial (PaCO2) measured by arterial blood analysis is used for estimating the adequacy of ventilatory support and serves as the gold standard...
September 2016: Journal of Clinical and Diagnostic Research: JCDR
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