Sleep fragmentation, awake blood pressure, and sleep-disordered breathing in a population-based study.

abstract：RATIONALE:The effect of early life wheezing on respiratory function and continued symptoms through adolescence has not been fully described. Using data from a population-based birth cohort in Tucson, Arizona, we previously described four phenotypes based on the occurrence of wheezing lower respiratory illnesses before ...

journal_title：American journal of respiratory and critical care medicine

authors： Morgan WJ,Stern DA,Sherrill DL,Guerra S,Holberg CJ,Guilbert TW,Taussig LM,Wright AL,Martinez FD

更新日期：2005-11-15 00:00:00

abstract：:The present studies were designed to assess the pattern of activity and the frequency of activation of the neck muscles in patients with chronic obstructive pulmonary disease (COPD). Using concentric needle electrodes, we thus recorded the electromyograms of the scalene, sternocleidomastoid, and trapezius muscles duri...

journal_title：American journal of respiratory and critical care medicine

authors： De Troyer A,Peche R,Yernault JC,Estenne M

更新日期：1994-07-01 00:00:00

abstract：:Pulmonary hypertension is a life-threatening complication of sickle cell disease. L-Arginine is the nitrogen donor for synthesis of nitric oxide, a potent vasodilator that is deficient during times of sickle cell crisis. This deficiency may play a role in pulmonary hypertension. The enzyme arginase hydrolyzes arginine...

journal_title：American journal of respiratory and critical care medicine

authors： Morris CR,Morris SM Jr,Hagar W,Van Warmerdam J,Claster S,Kepka-Lenhart D,Machado L,Kuypers FA,Vichinsky EP

更新日期：2003-07-01 00:00:00

abstract：RATIONALE:Patients with obstructive sleep apnea (OSA) adapt to the anatomical vulnerability of their upper airway by generating increased activity in upper airway-dilating muscles during wakefulness. Norepinephrine (NE) and serotonin (5-HT) mediate, through α₁-adrenergic and 5-HT₂A receptors, a wake-related excitatory ...

journal_title：American journal of respiratory and critical care medicine

authors： Rukhadze I,Fenik VB,Benincasa KE,Price A,Kubin L

更新日期：2010-11-15 00:00:00

abstract：:Previous studies suggest that lung function tests using monodisperse aerosols can help to identify early stages of lung diseases. We investigated intrapulmonary particle loss and aerosol bolus dispersion-a marker of convective gas transport-in 32 women with asymptomatic nonspecific bronchial hyperresponsiveness (BHR) ...

journal_title：American journal of respiratory and critical care medicine

authors： Kohlhäufl M,Brand P,Scheuch G,Meyer TS,Schulz H,Häussinger K,Heyder J

更新日期：1999-03-01 00:00:00

abstract：:To investigate repair mechanisms in bleomycin-induced pulmonary fibrosis, we used mice deficient in gamma-glutamyl transpeptidase (GGT-/-), a key enzyme in glutathione (GSH) and cysteine metabolism. Seventy-two hours after bleomycin (0.03 U/g), GGT-/- mice displayed a different inflammatory response to wild-type mice ...

journal_title：American journal of respiratory and critical care medicine

authors： Pardo A,Ruiz V,Arreola JL,Ramírez R,Cisneros-Lira J,Gaxiola M,Barrios R,Kala SV,Lieberman MW,Selman M

更新日期：2003-03-15 00:00:00

abstract：:The relationship of sleep-disordered breathing (SOB) to neuropsychological deficits was investigated with cross-sectional data from the Wisconsin Sleep Cohort Study, a population-based study of the natural history of SDB. A sample of 841 employed men and women ages 30 to 60 yr was studied by overnight polysomnography ...

journal_title：American journal of respiratory and critical care medicine

authors： Kim HC,Young T,Matthews CG,Weber SM,Woodward AR,Palta M

更新日期：1997-12-01 00:00:00

abstract：:The severity of asthma can be graded from mild intermittent to severe persistent. Airway inflammation is a feature of persistent asthma. We compared several markers of inflammation in mucosal biopsies and bronchoalveolar lavage fluid (BAL fluid) from 12 healthy control subjects, 24 patients with intermittent asthma, a...

journal_title：American journal of respiratory and critical care medicine

authors： Vignola AM,Chanez P,Campbell AM,Souques F,Lebel B,Enander I,Bousquet J

更新日期：1998-02-01 00:00:00

abstract：:It is known that the ventilatory response to carbon dioxide (CO2) is increased in asthmatics with airway obstruction. Increased vagal afferent activity as well as increased airway resistance have been postulated as the causative mechanisms. However, whether increased vagal afferent activity without bronchoconstriction...

journal_title：American journal of respiratory and critical care medicine

authors： Midorikawa J,Kikuchi Y,Taguchi O,Hida W,Okabe S,Takishima T,Shirato K

更新日期：1994-12-01 00:00:00

abstract：:To gain insight into the source of exhaled nitric oxide (NO) in normal humans, we examined the effects of respiratory pattern on the concentration of NO in exhaled air while subjects were wearing a noseclip and then under endotracheal intubation, using a specially designed gas sampling system to separate exhaled air i...

journal_title：American journal of respiratory and critical care medicine

authors： Tsujino I,Miyamoto K,Nishimura M,Shinano H,Makita H,Saito S,Nakano T,Kawakami Y

更新日期：1996-11-01 00:00:00

abstract：RATIONALE:Because of high mortality, end-of-life care is an important component of intensive care. OBJECTIVES:We evaluated the effectiveness of a quality-improvement intervention to improve intensive care unit (ICU) end-of-life care. METHODS:We conducted a cluster-randomized trial randomizing 12 hospitals. The interv...

journal_title：American journal of respiratory and critical care medicine

authors： Curtis JR,Nielsen EL,Treece PD,Downey L,Dotolo D,Shannon SE,Back AL,Rubenfeld GD,Engelberg RA

更新日期：2011-02-01 00:00:00

abstract：:CD14 influences postnatal switching of T helper cell responses. CD14 C-159T has been associated with altered CD14 and IgE levels in cross-sectional studies. Identifying whether associations vary with age requires data from children of the same age followed longitudinally over many years. In this study, an unselected p...

journal_title：American journal of respiratory and critical care medicine

authors： O'Donnell AR,Toelle BG,Marks GB,Hayden CM,Laing IA,Peat JK,Goldblatt J,Le Souëf PN

更新日期：2004-03-01 00:00:00

abstract：:A higher exposure to endotoxin was hypothesized to contribute to lower prevalence of allergic sensitization and hay fever in children growing up on a farm. We studied the association between house dust endotoxin and allergic sensitization. We randomly selected 740 children, aged between 5 and 10 years, from a group of...

journal_title：American journal of respiratory and critical care medicine

authors： Gehring U,Bischof W,Fahlbusch B,Wichmann HE,Heinrich J

更新日期：2002-10-01 00:00:00

abstract：:A study was done to compare the efficacy and safety of the coprescription of salmeterol 50 microgram twice daily or 100 microgram twice daily with beclomethasone dipropionate (BDP) 500 micrograms twice daily (SALM 50 and SALM 100) with BDP 1,000 microgram twice daily (BDP 1,000) in patients with asthma not controlled ...

journal_title：American journal of respiratory and critical care medicine

authors： Woolcock A,Lundback B,Ringdal N,Jacques LA

更新日期：1996-05-01 00:00:00

abstract：RATIONALE:In a high-tuberculosis (TB) incidence area of Cape Town, South Africa, there is a very high rate of unexplained recurrent TB. The incidence of new bacteriologically confirmed disease in the area is 313 per 100,000 individuals. OBJECTIVE:To estimate the rate of recurrent TB attributable to reinfection after s...

journal_title：American journal of respiratory and critical care medicine

authors： Verver S,Warren RM,Beyers N,Richardson M,van der Spuy GD,Borgdorff MW,Enarson DA,Behr MA,van Helden PD

更新日期：2005-06-15 00:00:00

abstract：:Most patients with cystic fibrosis (CF) are infected by Pseudomonas aeruginosa. Dextran exhibits anti-adhesive effects in preventing attachment of P. aeruginosa to epithelial cells (1). The initial purpose of this study was to evaluate the potential of dextran to alter the rheology and ciliary transportability of CF s...

journal_title：American journal of respiratory and critical care medicine

authors： Feng W,Garrett H,Speert DP,King M

更新日期：1998-03-01 00:00:00

abstract：RATIONALE:Although it is widely assumed that the incidence of childhood respiratory allergies to common aeroallergens is directly related to allergen exposure in early life, few longitudinal studies have investigated this issue, and available data are scarce and mainly limited to high-risk groups. OBJECTIVES:To assess...

journal_title：American journal of respiratory and critical care medicine

authors： Torrent M,Sunyer J,Garcia R,Harris J,Iturriaga MV,Puig C,Vall O,Anto JM,Newman Taylor AJ,Cullinan P

更新日期：2007-09-01 00:00:00

abstract：:This prospective and controlled pilot study evaluates the long-term effects of nocturnal oxygen therapy (NOT) on exercise endurance, hematology variables, quality of life, and survival of 23 adult patients (mean age, 32 +/- 6 yr) with post-tricuspid congenital heart defects (ventricular septal defect = 10; patent duct...

journal_title：American journal of respiratory and critical care medicine

authors： Sandoval J,Aguirre JS,Pulido T,Martinez-Guerra ML,Santos E,Alvarado P,Rosas M,Bautista E

更新日期：2001-11-01 00:00:00

abstract：:The incidence of mutations of the cystic fibrosis transmembrane conductance regulator (CFTR) gene in children with intermediate sweat chloride levels is unknown. The results of 2,349 sweat tests performed at two Belgian university hospitals were reviewed. Intermediate chloride concentrations were observed in 98 subjec...

journal_title：American journal of respiratory and critical care medicine

authors： Lebecque P,Leal T,De Boeck C,Jaspers M,Cuppens H,Cassiman JJ

更新日期：2002-03-15 00:00:00

abstract：:Current evidence suggests that patients with obstructive sleep apnea (OSA) may have augmented pharyngeal dilator muscle activity during wakefulness, to compensate for deficient anatomy. However, the isolated effect of sleep on the activity of these muscles (comparing OSA patients with controls) has not been studied. W...

journal_title：American journal of respiratory and critical care medicine

authors： Mezzanotte WS,Tangel DJ,White DP

更新日期：1996-06-01 00:00:00

abstract：:Although abnormalities of alveolar fibrin turnover have been reported to play a role in the development of idiopathic pulmonary fibrosis (IPF), the pathophysiological relevance remains unclear. We therefore investigated the localization of tissue factor (TF) and fibrin deposition in patients with IPF using immunohisto...

journal_title：American journal of respiratory and critical care medicine

authors： Imokawa S,Sato A,Hayakawa H,Kotani M,Urano T,Takada A

更新日期：1997-08-01 00:00:00

abstract：:Phl p5 is a major allergen of timothy grass and causes rhinitis and bronchial asthma in nearly all patients allergic to grass pollen. The biochemical processing of this molecule by the nasal mucosa at its first encounter and possible changes of its biologic activity are unknown. Two isoforms of the allergen were expre...

journal_title：American journal of respiratory and critical care medicine

authors： Bufe A,Gehlhar K,Schramm G,Schlaak M,Becker WM

更新日期：1998-04-01 00:00:00

abstract：:Rationale: Sleep-disordered breathing (SDB) is associated with increased vascular resistance in children and adults. Persistent increased vascular resistance damages vascular endothelial cells-a marker of which is increased platelet activation.Objectives: This study compared whole-blood impedance platelet aggregation ...

journal_title：American journal of respiratory and critical care medicine

authors： Kontos A,Willoughby S,Lushington K,Martin J,Wabnitz D,Dorrian J,Kennedy D

更新日期：2020-12-01 00:00:00

abstract：:Chronic obstructive pulmonary disease (COPD) is a common and progressive disease that is influenced by both genetic and environmental factors. For many years, knowledge of the genetic basis of COPD was limited to Mendelian syndromes, such as alpha-1 antitrypsin deficiency and cutis laxa, caused by rare genetic variant...

journal_title：American journal of respiratory and critical care medicine

authors： Ragland MF,Benway CJ,Lutz SM,Bowler RP,Hecker J,Hokanson JE,Crapo JD,Castaldi PJ,DeMeo DL,Hersh CP,Hobbs BD,Lange C,Beaty TH,Cho MH,Silverman EK

更新日期：2019-09-15 00:00:00

abstract：:Although all the well-recognized muscles of expiration are paralyzed after traumatic transection of the lower cervical cord, tetraplegic subjects can still empty their lungs actively by contracting the clavicular portion of the pectoralis major. It is not known, however, whether contraction of this muscle bundle may r...

journal_title：American journal of respiratory and critical care medicine

authors： Estenne M,Van Muylem A,Gorini M,Kinnear W,Heilporn A,De Troyer A

更新日期：1994-10-01 00:00:00

abstract：RATIONALE:Reactivation tuberculosis (TB) occurs as a result of reactivation of latent TB infection (LTBI), and was reported to occur in the United States at a rate of 0.10 to 0.16 cases per 100 person-years in the 1950s; it has not been measured since. OBJECTIVES:To calculate the rate of reactivation TB in a U.S. comm...

journal_title：American journal of respiratory and critical care medicine

authors： Horsburgh CR Jr,O'Donnell M,Chamblee S,Moreland JL,Johnson J,Marsh BJ,Narita M,Johnson LS,von Reyn CF

更新日期：2010-08-01 00:00:00

abstract：:REM-related oxygen desaturation occurs in advanced Duchenne muscular dystrophy (DMD) and might be an independent predictor of disease progression. We have followed 18 patients for 10 yr after an initial respiratory sleep study or until death or onset of nasal ventilation. We measured baseline spirometry, blood gas ten...

journal_title：American journal of respiratory and critical care medicine

authors： Phillips MF,Smith PE,Carroll N,Edwards RH,Calverley PM

更新日期：1999-07-01 00:00:00

abstract：RATIONALE:Many authors have suggested that the mechanism by which atelectasis contributes to injury is through the repetitive opening and closing of distal airways in lung regions that are atelectatic. However, neither the topographic nor mechanistic relationships between atelectasis and distribution of lung injury are...

journal_title：American journal of respiratory and critical care medicine

authors： Tsuchida S,Engelberts D,Peltekova V,Hopkins N,Frndova H,Babyn P,McKerlie C,Post M,McLoughlin P,Kavanagh BP

更新日期：2006-08-01 00:00:00

abstract：:Pneumonectomized rats develop pulmonary hypertension (PH) and pulmonary vascular neointimal formation 4 wk after monocrotaline (MCT) administration. Male Sprague-Dawley rats were injected with MCT (60 mg/kg) on Day 7 after left pneumonectomy. Three groups (n = 5) received 40-O-(2-hydroxyethyl)-rapamycin (RAD, 2.5 mg/k...

journal_title：American journal of respiratory and critical care medicine

authors： Nishimura T,Faul JL,Berry GJ,Veve I,Pearl RG,Kao PN

更新日期：2001-02-01 00:00:00

abstract：RATIONALE:The role of computed tomography (CT) screening for lung cancer is controversial, currently under study, and not yet fully elucidated. OBJECTIVES:To report findings from initial and 1-year repeat screening low-radiation-dose CT of the chest and 3-year outcomes for 50- to 79-year-old current and ex-smokers in ...

journal_title：American journal of respiratory and critical care medicine

authors： Wilson DO,Weissfeld JL,Fuhrman CR,Fisher SN,Balogh P,Landreneau RJ,Luketich JD,Siegfried JM

更新日期：2008-11-01 00:00:00