Symptom perception in pediatric asthma: resistive loading and in vivo assessment compared.

abstract：:Extrinsic compression of the left main coronary artery (LMCA) can occur in patients with severe pulmonary hypertension and enlarged pulmonary artery trunk. It has been usually described in the setting of congenital defects such as atrial septal defect, ventricular septal defect, and, more rarely, isolated persistent d...

journal_title：Chest

authors： Caldera AE,Cruz-Gonzalez I,Bezerra HG,Cury RC,Palacios IF,Cockrill BA,Inglessis-Azuaje I

更新日期：2009-06-01 00:00:00

abstract：BACKGROUND:Obesity hypoventilation syndrome (OHS) conventionally includes awake hypercapnia, but an isolated raised bicarbonate, even in the absence of awake hypercapnia, may represent evidence of "early" OHS. We investigated whether such individuals exhibit certain features characteristic of established OHS. METHODS:...

journal_title：Chest

authors： Manuel ARG,Hart N,Stradling JR

更新日期：2015-02-01 00:00:00

abstract：:Present-day technology has greatly facilitated the monitoring of respiratory gas exchange in the clinical exercise laboratory. Despite the growing use of these techniques to assess the severity and progression of disease or therapeutic response in patients with heart failure, the long-term reproducibility of oxygen up...

journal_title：Chest

authors： Janicki JS,Gupta S,Ferris ST,McElroy PA

更新日期：1990-01-01 00:00:00

abstract：:The ventilator discontinuation process is a critical component of ICU care. Ongoing ventilator dependency is caused by both disease factors (eg, respiratory, cardiac, metabolic, and neuromuscular) and clinician management factors (eg, failing to recognize discontinuation potential and inappropriate ventilator settings...

journal_title：Chest

authors： MacIntyre N

更新日期：2007-09-01 00:00:00

abstract：INTRODUCTION:The specific causes and mechanism(s) for asthma occurring among occupants of non-residential buildings with poor indoor air quality are not known, but allergic and nonallergic processes are possible explanations METHODS:Repeated indoor air quality measurements were made while employees were working in a b...

journal_title：Chest

authors： Brooks SM,Spaul W,McCluskey JD

更新日期：2005-09-01 00:00:00

abstract：:The differentiation of ventricular tachycardia from supraventricular conducted with aberration constitutes a perennial challenge. We report a new surface ECG clue, hitherto undescribed, the presence of which, during wide QRS tachycardia, indicates that the tachycardia in question is ventricular rather than supraventri...

journal_title：Chest

authors： Reddy GV,Leghari RU

更新日期：1987-10-01 00:00:00

abstract：OBJECTIVE:The purpose of this study is to determine the accuracy of the cuff-leak test in a cardiovascular ICU. METHODS:Five hundred twenty-four patients were tested immediately before being extubated 531 times. The cuff-leak test was performed with the ventilator set in assist-control mode at a tidal volume (VT) of 1...

journal_title：Chest

authors： Engoren M

更新日期：1999-10-01 00:00:00

abstract：STUDY OBJECTIVES:To analyze the influence of a hospital-based home-care program (HCP) on the management of patients with COPD receiving long-term oxygen therapy. DESIGN AND SETTING:Randomized, controlled study in a 1,000-bed university hospital. INTERVENTION:The HCP applied to patients in the intervention group (HCP ...

journal_title：Chest

authors： Farrero E,Escarrabill J,Prats E,Maderal M,Manresa F

更新日期：2001-02-01 00:00:00

abstract：:Acute hypoxemic respiratory failure (AHRF) can result from diverse lung insults. Toxic oxygen metabolites have been implicated in this clinical condition and in animal models of pulmonary edema. Hydrogen peroxide (H2O2), an oxygen metabolite, mediates tissue injury. We measured H2O2 levels by a spectrophotometric tech...

journal_title：Chest

authors： Sznajder JI,Fraiman A,Hall JB,Sanders W,Schmidt G,Crawford G,Nahum A,Factor P,Wood LD

更新日期：1989-09-01 00:00:00

abstract：STUDY OBJECTIVE:In the present study, we evaluated the leukocyte esterase (LE) area of a reagent strip designed for urinalysis for the semiquantitative measurement of the percentage of polymorphonuclear neutrophils (PMNs) in BAL fluid. DESIGN:Prospective. The relative PMN counts (obtained by conventional microscopy an...

journal_title：Chest

authors： Jacobs JA,De Brauwer EI,Cornelissen EI,Drent M

更新日期：2000-11-01 00:00:00

abstract：BACKGROUND:The antisynthetase syndrome consists of interstitial lung disease (ILD), arthritis, myositis, fever, mechanic's hands, and Raynaud phenomenon in the presence of an antisynthetase autoantibody, most commonly anti-Jo-1. It is believed that all the antisynthetases are associated with a similar clinical profile,...

journal_title：Chest

authors： Kalluri M,Sahn SA,Oddis CV,Gharib SL,Christopher-Stine L,Danoff SK,Casciola-Rosen L,Hong G,Dellaripa PF,Highland KB

更新日期：2009-06-01 00:00:00

abstract：:Eighteen asymptomatic postmenopausal women volunteered to ingest 2 ml of 100-proof vodka per kg of body weight in orange juice on one night and a placebo on another. Overnight sleep monitoring was performed immediately thereafter. Alcohol ingestion caused reduction in total sleep time from 329 to 281 minutes and a dec...

journal_title：Chest

authors： Block AJ,Hellard DW,Slayton PC

更新日期：1985-08-01 00:00:00

abstract：:We are probably observing a recrudescent epidemic of RLF which has elicited surprisingly little attention from the medical community. Given present data, it is not unreasonable to conclude that there is a true epidemic and that its etiologic basis involves a population of infants with high susceptibility to oxygen tox...

journal_title：Chest

authors： Robin ED,Burke CM

更新日期：1986-04-01 00:00:00

abstract：:Patients with cystic fibrosis (CF) and advanced pulmonary disease have pulmonary limitation of exercise, often associated with arterial oxygen desaturation. Improving oxygenation during exercise by providing supplemental oxygen may improve exercise performance in these patients. To test this, we performed graded exerc...

journal_title：Chest

authors： Marcus CL,Bader D,Stabile MW,Wang CI,Osher AB,Keens TG

更新日期：1992-01-01 00:00:00

abstract：:In a prospective study, 11 (1.5 percent) of 742 patients had angiographically proven coronary artery aneurysms. The clinical picture was similar to that of patients with severe coronary artery disease. The coronary artery aneurysms were multiple and were associated with extensive coronary atherosclerosis in ten of the...

journal_title：Chest

authors： Falsetti HL,Carrol RJ

更新日期：1976-05-01 00:00:00

abstract：BACKGROUND:Individual studies have reported widely variable rates for VTE and bleeding among hospitalized patients with coronavirus disease 2019 (COVID-19). RESEARCH QUESTION:What is the incidence of VTE and bleeding among hospitalized patients with COVID-19? METHODS:In this systematic review and meta-analysis, 15 st...

journal_title：Chest

authors： Jiménez D,García-Sanchez A,Rali P,Muriel A,Bikdeli B,Ruiz-Artacho P,Le Mao R,Rodríguez C,Hunt BJ,Monreal M

更新日期：2020-11-17 00:00:00

abstract：BACKGROUND:Disease progression in COPD is associated with a decline in exercise performance over time. We assessed whether tiotropium might mitigate this by determining its effect on treadmill endurance time (ET) over 2 years. METHODS:This was a randomized, double-blind, placebo-controlled trial of tiotropium, 18 μg d...

journal_title：Chest

authors： Cooper CB,Celli BR,Jardim JR,Wise RA,Legg D,Guo J,Kesten S

更新日期：2013-08-01 00:00:00

abstract：:Eosinophilic pulmonary infiltration is an uncommon presentation from cocaine abuse. We present a patient with migratory pulmonary infiltrates and eosinophilia consistent with Löffler's syndrome. Our review uncovered two other similar patients. The importance of early recognition is stressed in our report. Either absti...

journal_title：Chest

authors： Nadeem S,Nasir N,Israel RH

更新日期：1994-05-01 00:00:00

abstract：:This article addresses two basic questions about ethics committees: why we have them, and how they might be helpful to clinicians. Our answer to the first question is twofold. First, we suggest that legal, regulatory, and professional forces drove the development of ethics committees, particularly as an alternative to...

journal_title：Chest

authors： Aulisio MP,Arnold RM

更新日期：2008-08-01 00:00:00

abstract：BACKGROUND:Although diaphragmatic motion is readily studied by ultrasonography, the procedure remains poorly codified. The aim of this prospective study was to determine the reference values for diaphragmatic motion as recorded by M-mode ultrasonography. METHODS:Two hundred ten healthy adult subjects (150 men, 60 wome...

journal_title：Chest

authors： Boussuges A,Gole Y,Blanc P

更新日期：2009-02-01 00:00:00

abstract：:Fondaparinux, a selective inhibitor of factor Xa, is the first of a new class of antithrombotic compounds, the synthetic pentasaccharides. Its benefit-to-risk ratio in preventing venous thromboembolism after major orthopedic surgery was investigated in four randomized, double-blind international phase III trials in pa...

journal_title：Chest

authors： Turpie AG,Eriksson BI,Bauer KA,Lassen MR

更新日期：2003-12-01 00:00:00

abstract：:Mechanical ventilation was able to induce a decrease in cardiac output and regional blood flow, especially hepatic flow. Thus, hepatic elimination of drugs with a high hepatic-extraction ratio, which was linked to alteration in hepatic blood flow, could be reduced during mechanical ventilation. The aim of this work wa...

journal_title：Chest

authors： Richard C,Berdeaux A,Delion F,Riou B,Rimailho A,Giudicelli JF,Auzépy P

更新日期：1986-12-01 00:00:00

abstract：OBJECTIVES:To determine whether certain occupations and occupationally related exposures were associated with a history of sarcoidosis in African-American siblings. METHODS:We collected occupational data from 921 African Americans in 273 sibships that had been identified through a sarcoidosis case. Among the 648 sibli...

journal_title：Chest

authors： Kucera GP,Rybicki BA,Kirkey KL,Coon SW,Major ML,Maliarik MJ,Iannuzzi MC

更新日期：2003-05-01 00:00:00

abstract：STUDY OBJECTIVES:To validate capnometric recirculating gas tonometry (CRGT) for continuously monitoring gut intramucosal PCO2 (PiCO2) in a septic shock model, and to compare gastric vs esophageal PCO2 vs intramucosal-arterial PCO2 gradients. INTERVENTIONS:CRTG catheters were placed in the stomach and esophagus of six ...

journal_title：Chest

authors： Guzman JA,Lacoma FJ,Kruse JA

更新日期：1998-04-01 00:00:00

abstract：STUDY OBJECTIVE:To examine the relation of smoking habits and development of asthma in a large cohort of US women. DESIGN:Prospective cohort study. PARTICIPANTS:Among 74,072 women, 34 to 68 years of age, who were free of major diseases, we documented 671 incident asthma cases and 798 incident cases of chronic bronchi...

journal_title：Chest

authors： Troisi RJ,Speizer FE,Rosner B,Trichopoulos D,Willett WC

更新日期：1995-12-01 00:00:00

abstract：:We report two cases of pneumothorax detected by echographic examination immediately after ultrasonically guided aspiration biopsy and confirmed by chest x-ray film. The pneumothorax was characterized by the disappearance of the lung tumor. In the real-time image, the respiratory excursions of the visceral pleura also ...

journal_title：Chest

authors： Targhetta R,Bourgeois JM,Chavagneux R,Balmes P

更新日期：1992-03-01 00:00:00

abstract：STUDY OBJECTIVES:We sought to compare arterial oxygen partial pressure (PaO2) relationships between a 15.1% hypoxia inhalation test (HIT) at sea level and a hypobaric chamber exposure equivalent to 2,438 m (8,000 feet) of altitude above sea level in patients with chronic obstructive pulmonary disease (COPD) and healthy...

journal_title：Chest

authors： Dillard TA,Moores LK,Bilello KL,Phillips YY

更新日期：1995-02-01 00:00:00

abstract：:Primary neurogenic tumors of the lung are rare. Often, their histologic behavior presents a treatment dilemma. We present a case of benign endobronchial neurilemmoma managed by means of YAG laser resection together with a brief discussion of the management options available for these tumors. ...

journal_title：Chest

authors： Feldhaus RJ,Anene C,Bogard P

更新日期：1989-02-01 00:00:00

abstract：:This study addresses the hypothesis that patients with obstructive sleep apnea, who exhibit recurrent episodes of oxygen desaturation at night, have higher hematocrit levels than nonapneic control subjects. We prospectively studied 624 patients referred to the sleep disorders center at St. Michael's Hospital because o...

journal_title：Chest

authors： Hoffstein V,Herridge M,Mateika S,Redline S,Strohl KP

更新日期：1994-09-01 00:00:00

abstract：STUDY OBJECTIVES:Strokes and neurocognitive dysfunction have been correlated with cerebral microemboli produced during cardiopulmonary bypass (CPB). The purpose of this study was to determine whether, and to what extent, off-pump coronary artery bypass (OPCAB) reduces the occurrence of cerebral microemboli compared wit...

journal_title：Chest

authors： Bowles BJ,Lee JD,Dang CR,Taoka SN,Johnson EW,Lau EM,Nekomoto K

更新日期：2001-01-01 00:00:00