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https://www.readbyqxmd.com/read/28731362/greater-cognitive-deficits-with-sleep-disordered-breathing-among-individuals-with-genetic-susceptibility-to-alzheimer-s-disease-the-multi-ethnic-study-of-atherosclerosis
#1
Dayna A Johnson, Jacqueline Lane, Rui Wang, Michelle Reid, Ina Djonlagic, Annette L Fitzpatrick, Stephen R Rapp, Luenda E Charles, Ruth O'Hara, Richa Saxena, Susan Redline
RATIONALE: There are conflicting findings regarding the link between sleep apnea and cognitive dysfunction. OBJECTIVE: Investigate associations between indicators of sleep-disordered breathing (SDB) and cognitive function in the Multi-Ethnic Study of Atherosclerosis and assess effect modification by the apolipoprotein ε-4 (APOE-ε4) allele. METHODS: A diverse population (N=1,752) underwent Type 2 in-home polysomnography, which included measurement of % sleep time <90% oxyhemoglobin saturation (%Sat<90%) and apnea-hypopnea index (AHI)...
July 21, 2017: Annals of the American Thoracic Society
https://www.readbyqxmd.com/read/28730253/fatal-hypersensitivity-pneumonitis-after-chemical-occupational-exposure
#2
Milena Adina Man, Sorin Claudiu Man, Nicoleta Ştefania Motoc, Carmen Monica Pop, Antigona Carmen Trofor
Hypersensitivity pneumonitis (HP; extrinsic allergic alveolitis) is a rare non-immunoglobulin E (IgE)-mediated inflammatory lung disease caused by inhalation exposure (occupational, recreational or ordinary home exposure). A 36-year-old female patient, without significant medical history, is referred to an outpatient pulmonology clinic for dry cough, shortness of breath, fever, fatigue and weight loss. Chest high-resolution computed tomography (HRCT) was performed, and significant lung fibrosis (especially centrilobular and interlobular in bilateral "thick lines"), traction bronchiectasis and alveolitis in both superior lobes are described...
2017: Romanian Journal of Morphology and Embryology, Revue Roumaine de Morphologie et Embryologie
https://www.readbyqxmd.com/read/28728620/insulin-resistance-and-hypertension-in-obese-youth-with-sleep-disordered-breathing-treated-with-positive-airway-pressure-a-prospective-multicenter-study
#3
Sherri L Katz, Joanna E MacLean, Lynda Hoey, Linda Horwood, Nicholas Barrowman, Bethany Foster, Stasia Hadjiyannakis, Laurent Legault, Glenda N Bendiak, Valerie G Kirk, Evelyn Constantin
STUDY OBJECTIVES: There is evidence that cardiometabolic disease associated with obesity and sleep-disordered breathing (SDB) in adults is present in youth. SDB is often treated with positive airway pressure (PAP) in youth with obesity. Our aims were to determine: (1) the prevalence of cardiometabolic disease and (2) whether PAP improves markers of cardiometabolic disease, in youth with obesity and newly diagnosed moderate-severe SDB. METHODS: A prospective multicenter cohort study was conducted in youth (8 to 16 years old) with obesity, prescribed PAP therapy for newly diagnosed moderate-severe SDB...
July 14, 2017: Journal of Clinical Sleep Medicine: JCSM: Official Publication of the American Academy of Sleep Medicine
https://www.readbyqxmd.com/read/28727649/variables-affecting-intra-abdominal-pressure-during-lifting-in-the-early-postpartum-period
#4
Yvonne Hsu, Robert Hitchcock, Stefan Niederauer, Ingrid E Nygaard, Janet M Shaw, Xiaoming Sheng
OBJECTIVES: Intra-abdominal pressure (IAP) may contribute to pelvic floor health, although the direction and magnitude of such an effect, if any, are not yet known. Identifying individual characteristics, and in particular modifiable factors, associated with higher IAP during recovery from vaginal childbirth might serve to mitigate early pelvic floor dysfunction. The aim of this study was to identify characteristics associated with maximal IAP during lifting in postpartum primiparous women who delivered vaginally...
July 20, 2017: Female Pelvic Medicine & Reconstructive Surgery
https://www.readbyqxmd.com/read/28719135/multiple-breath-washout-in-paediatric-patients-after-lung-transplantation
#5
Sylvia Nyilas, Julia Carlens, Timothy Price, Florian Singer, Carsten Müller, Gesine Hansen, Gregor Warnecke, Philipp Latzin, Nicolaus Schwerk
Forced expiratory volume in 1 second (FEV1 ) from spirometry, is the most commonly used parameter to detect early allograft dysfunction after lung transplantation (LTx). There are concerns regarding its sensitivity. Nitrogen-multiple breath washout (N2 -MBW) is sensitive at detecting early global (lung clearance index; LCI), and acinar (Sacin ) airway inhomogeneity. We investigated whether N2 -MBW indices indicate small airways pathology after LTx in children with stable spirometry. Thirty-seven children without BOS on median 1...
July 18, 2017: American Journal of Transplantation
https://www.readbyqxmd.com/read/28708473/mr-imaging-measurements-of-altered-placental-oxygenation-in-pregnancies-complicated-by-fetal-growth-restriction
#6
Emma Ingram, David Morris, Josephine Naish, Jenny Myers, Edward Johnstone
Purpose To evaluate oxygen-enhanced and blood oxygen level-dependent (BOLD) magnetic resonance (MR) imaging parameters in normal pregnancies and those complicated by fetal growth restriction (FGR). Materials and Methods This case-control study was approved by the local research ethics committee. Informed consent was obtained from all subjects. From October 2010 to October 2015, 28 women with uncomplicated pregnancies (individualized birthweight ratio [IBR] >20th percentile and delivery >37 weeks) and 23 with pregnancies complicated by FGR (IBR <5th percentile and abnormal Doppler ultrasonography [US] studies) underwent MR imaging...
July 13, 2017: Radiology
https://www.readbyqxmd.com/read/28705551/effects-of-progressive-resistance-training-on-cardiovascular-autonomic-regulation-in-patients-with-parkinson-s-disease-a-randomized-controlled-trial
#7
Hélcio Kanegusuku, Carla Silva-Batista, Tiago Peçanha, Alice Nieuwboer, Natan D Silva, Luiz A R Costa, Marco T de Mello, Maria E P Piemonte, Carlos Ugrinowitsch, Cláudia L M Forjaz
OBJECTIVE: To evaluate the effects of a progressive resistance training (RT) on cardiac autonomic modulation and on cardiovascular responses to autonomic stress tests in patients with Parkinson disease (PD). DESIGN: Randomized clinical trial. SETTING: The Brazilian Parkinson Association. PARTICIPANTS: 30 patients with PD (modified Hoehn and Yahr stages 2-3) were randomly divided into 2 groups: a progressive RT group (PDT) and a control group (PDC)...
July 10, 2017: Archives of Physical Medicine and Rehabilitation
https://www.readbyqxmd.com/read/28702452/bronchial-or-laryngeal-obstruction-induced-by-exercise
#8
Ayoub Bey, Sophie Botti, Laurianne Coutier-Marie, Claude Bonabel, Stéphanie Metche, Silvia Demoulin-Alexikova, Cyril Etienne Schweitzer, François Marchal, Laurent Coffinet, Iulia Ioan
A child suspected of exercise-induced laryngeal obstruction and asthma is examined by laryngoscopy and respiratory resistance (Rrs) after exercise challenge. Immediately at exercise cessation, the visualized adduction of the larynx in inspiration is reflected in a paroxystic increase in Rrs. While normal breathing has apparently resumed later on during recovery from exercise, the pattern of Rrs in inspiration is observed to reoccur following a deep breath or swallowing. The procedure may thus help diagnosing the site of exercise-induced obstruction when laryngoscopy is not available and identify re-inducers of laryngeal dysfunction...
2017: Frontiers in Pediatrics
https://www.readbyqxmd.com/read/28693057/-the-value-of-the-excursion-of-diaphragm-tested-by-ultrosonography-to-predict-weaning-from-mechanical-ventilation-in-icu-patients
#9
L X Liu, D Su, Z J Hu
Objective: To evaluate the excursion of the diaphragm and analyze the value in predicting weaning from mechanical ventilation in intensive care unit patients. Methods: The patients with mechanical ventilation (>48 hours) in ICU at Hebei Forth Medical University Hospital from June 2014 to December were classified into a success group or a failure group according to the weaning outcome. T-piece spontaneous breathing (SBT), airway occlusion pressure at 0.1 sec (P(0.1)) and maximal inspiratory pressure (MIP), rapid shallow breathing index (RSBI) and P(0...
July 1, 2017: Zhonghua Nei Ke za Zhi [Chinese Journal of Internal Medicine]
https://www.readbyqxmd.com/read/28691505/impact-of-chronic-kidney-disease-on-the-presentation-and-outcome-of-patients-hospitalized-with-atrial-fibrillation-insights-from-qatar
#10
Imtiaz Salim, Jassim Al Suwaidi, Hajar A AlBinali, Rajvir Singh, Awad Al-Qahtani, Nidal Asaad, Amar M Salam
Atrial fibrillation (AF) with coexistent chronic kidney disease (CKD) is poorly described in the literature. We compared the presenting symptoms, clinical characteristics, treatment, and outcome of patients hospitalized with AF with and without CKD in a large clinical registry. Data of patients hospitalized with AF between 1991 and 2012 in Qatar were analyzed. Of 5201 patients hospitalized for AF, 264 (5.1%) had CKD. Patients with AF and CKD were older with higher prevalence of other comorbidities and left ventricular dysfunction and were more likely to present with shortness of breath and chest pain compared with patients with AF alone who were more likely to present with palpitation...
January 1, 2017: Angiology
https://www.readbyqxmd.com/read/28690498/amyloid-precursor-like-proteins-aplp1-and-aplp2-are-dispensable-for-normal-development-of-the-neonatal-respiratory-network
#11
Kang Han, Ulrike C Müller, Swen Hülsmann
Recent studies using animal models indicated that the members of the amyloid precursor protein (APP) gene family are important for the formation, maintenance, and plasticity of synapses. Despite this, the specific role of the APP homologs APLP1 and APLP2 within the CNS and PNS is still poorly understood. In contrast to the subtle phenotypes of single mutants, double knockout mice (DKO) lacking APP/APLP2 or APLP1/APLP2 die within the first day after birth. Whereas APP/APLP2-DKO mice show severe deficits of neuromuscular morphology and transmission, the underlying cause of lethality of APLP1/APLP2-DKO mice remains unclear...
2017: Frontiers in Molecular Neuroscience
https://www.readbyqxmd.com/read/28689709/the-reliability-of-short-term-measurement-of-heart-rate-variability-during-spontaneous-breathing-in-people-with-chronic-obstructive-pulmonary-disease
#12
C A Sima, J A Inskip, A W Sheel, S F van Eeden, W D Reid, P G Camp
BACKGROUND: Reduced heart rate variability (HRV), a marker of autonomic system dysfunction, has been reported in patients with chronic obstructive pulmonary disease (COPD). Yet, limited data exists on the reliability of HRV measurement in this population. Here we investigated the reliability of short-term HRV measurement performed during spontaneous breathing in patients with COPD. METHODS: Thirteen individuals (8 males) with moderate-to-severe COPD (FEV1 46±16% predicted; FEV1/FVC 49±13) underwent standard time and frequency domain HRV measurements derived from 5-minute electrocardiograms collected on two separate days using a SphygmoCor device...
July 6, 2017: Revista Portuguesa de Pneumologia
https://www.readbyqxmd.com/read/28687586/a-rash-with-a-heavy-heart
#13
Sergio Barros-Gomes, Niyada Naksuk, Dragan Jevremovic, Hector R Villarraga
Cardiac amyloidosis (CA) is relatively rare and frequently misdiagnosed. Other disorders presenting with increased left ventricular (LV) mass can mimic its diagnosis. This case illustrates unique findings of primary light chain (AL) amyloidosis in a patient with remarkable signs of CA. Here, we report a 49-year-old man with prior diagnosis of hypertrophy cardiomyopathy (HCM) based on an echocardiogram performed 1 year earlier that presented with 8 weeks of periorbital rash. He had numbness in the past 3 years...
July 7, 2017: Echo Research and Practice
https://www.readbyqxmd.com/read/28683970/oxidative-stress-and-cardiovascular-risk-obesity-diabetes-smoking-and-pollution-part-3-of-a-3-part-series
#14
REVIEW
Bernd Niemann, Susanne Rohrbach, Mark R Miller, David E Newby, Valentin Fuster, Jason C Kovacic
Oxidative stress occurs whenever the release of reactive oxygen species (ROS) exceeds endogenous antioxidant capacity. In this paper, we review the specific role of several cardiovascular risk factors in promoting oxidative stress: diabetes, obesity, smoking, and excessive pollution. Specifically, the risk of developing heart failure is higher in patients with diabetes or obesity, even with optimal medical treatment, and the increased release of ROS from cardiac mitochondria and other sources likely contributes to the development of cardiac dysfunction in this setting...
July 11, 2017: Journal of the American College of Cardiology
https://www.readbyqxmd.com/read/28681708/influence-of-autonomic-nervous-system-dysfunction-in-the-genesis-of-sleep-disorders-in-fibromyalgia-patients
#15
Maurizio Rizzi, Dejan Radovanovic, Pierachille Santus, Andrea Airoldi, Francesca Frassanito, Silvia Vanni, Andrea Cristiano, Ignazio Francesco Masala, Piercarlo Sarzi-Puttini
OBJECTIVES: Fibromyalgia (FM) is characterised by chronic musculoskeletal pain, autonomic nervous system (ANS) dysfunction, and disturbed sleep. The aim of this study was to evaluate the influence of ANS dysfunction on the genesis of sleep disorders. METHODS: Fifty female FM patients and 45 healthy subjects matched for age, gender and body mass index underwent a clinical, polysomnographic and autonomic profile evaluation at rest and during a tilt test in order to determine muscle sympathetic nerve activity (MSNA), plasma catecholamine levels, and the spectral indices of cardiac sympathetic (LFRR) and vagal (HFRR) modulation computed by means of the spectrum analysis of RR during sleep...
May 2017: Clinical and Experimental Rheumatology
https://www.readbyqxmd.com/read/28676332/circulating-exosomes-in-obstructive-sleep-apnea-as-phenotypic-biomarkers-and-mechanistic-messengers-of-end-organ-morbidity
#16
REVIEW
Abdelnaby Khalyfa, Leila Kheirandish-Gozal, David Gozal
Obstructive sleep apnea (OSA), the most severe form of sleep disordered breathing, is characterized by intermittent hypoxia during sleep (IH), sleep fragmentation, and episodic hypercapnia. OSA is associated with increased risk for morbidity and mortality affecting cardiovascular, metabolic, and neurocognitive systems, and more recently with non-alcoholic fatty liver disease (NAFLD) and cancer-related deaths. Substantial variability in OSA outcomes suggests that genetically-determined and environmental and lifestyle factors affect the phenotypic susceptibility to OSA...
July 1, 2017: Respiratory Physiology & Neurobiology
https://www.readbyqxmd.com/read/28666487/mahaim-tachycardia-induced-cardiomyopathy
#17
Ibrahim Gul, Qamaruddin Roziman, Aamir Hameed Khan
We present the case report of a 22-year man, with incessant palpitations, chest pain, shortness of breath, and pulsations in his neck for the past 7 months. He was referred to the cardiology unit for workup of wide complex tachycardia (WCT). His echocardiography, 6 months earlier, had demonstrated severe left ventricular (LV) systolic dysfunction, severe global hypokinesia, mild tricuspid regurgitation (TR), and mild mitral regurgitation (MR) which resolved with medical therapy including beta-blockers. He underwent electrophysiological study, which revealed a decremental right sided atriofascicular pathway causing a WCT with left bundle branch block (LBBB) morphology and left axis deviation (LAD, Mahaim tachycardia)...
November 2016: Journal of the College of Physicians and Surgeons—Pakistan: JCPSP
https://www.readbyqxmd.com/read/28651906/lung-clearance-index-is-sensitive-to-small-airway-disease-in-pediatric-lung-transplant-recipients
#18
Julia E Kao, Jacquelyn M Zirbes, Carol K Conrad, Carlos E Milla
BACKGROUND: The principal obstacle to long-term survival after lung transplant is chronic lung allograft dysfunction (CLAD), which primarily affects the small airways. After transplant, patients are monitored with spirometry, which is a generally insensitive detector of small airways obstruction. The lung clearance index (LCI) is a measure obtained during multiple breath washout (MBW) maneuvers. We hypothesized that among lung allograft recipients, LCI would detect small airways disease not detected with spirometry...
May 10, 2017: Journal of Heart and Lung Transplantation
https://www.readbyqxmd.com/read/28646783/heart-rate-variability-in-patients-with-major-depression-disorder-during-a-clinical-autonomic-test
#19
Xiuwen Chen, Rongqian Yang, Danni Kuang, Lei Zhang, Ruixue Lv, Xiong Huang, Fengchun Wu, Guohui Lao, Shanxing Ou
Major depression disorder (MDD) patients express dysfunction autonomic nervous system (ANS) and reduced heart rate variability (HRV). However, previous researches mainly focused on examining resting state without considering a series of stimulation tests of ANS between MDD patients and healthy people. For this purpose, 40 healthy people and 40 MDD patients participated and finished 10min clinical autonomic test-Ewing test. Parameters of HRV such as time domain, frequency domain, and nonlinear dynamical parameters were calculated...
June 14, 2017: Psychiatry Research
https://www.readbyqxmd.com/read/28642732/autonomic-function-impairment-and-brain-perfusion-deficit-in-parkinson-s-disease
#20
Wei-Che Lin, Pei-Chin Chen, Chih-Cheng Huang, Nai-Wen Tsai, Hsiu-Ling Chen, Hung-Chen Wang, Kun-Hsien Chou, Meng-Hsiang Chen, Yi-Wen Chen, Cheng-Hsien Lu
INTRODUCTION: Autonomic disorders have been recognized as important Parkinson's disease (PD) components. Some vulnerable structures are related to the central autonomic network and have also been linked to autonomic function alterations. The aims of the study are to evaluate the severity of the autonomic dysfunction and the cortical hypoperfusion using arterial spin labeling (ASL) MRI. And then, possible relationships of significant between-group differences in perfusion pattern to clinical variables and autonomic functions were examined to determine the pharmaceutical effects of dopaminergic treatment on cerebral blood flow (CBF) in patients with PD...
2017: Frontiers in Neurology
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