The effects of smoking on the signal-averaged electrocardiogram in normal subjects.

abstract：BACKGROUND:In adult patients, the consistent use of language to describe dyspnea enhances patient-provider communication and contributes to diagnostic and therapeutic decisions. The objective of this research was to determine whether pediatric patients similarly display consistency in the language used to describe "unc...

journal_title：Chest

authors： Harver A,Schwartzstein RM,Kotses H,Humphries CT,Schmaling KB,Mullin ML

更新日期：2011-04-01 00:00:00

abstract：BACKGROUND:Great variability exists in the occurrence of antibiotic-resistant bacteria in ICUs around the world. The contribution of specific ICU care variables to these geographic variations is unknown. METHODS:ICU patients from two ICUs (in Jerusalem and Toronto) who were admitted for > 48 h and who grew a resistant...

journal_title：Chest

authors： Levin PD,Simor AE,Moses AE,Sprung CL

更新日期：2010-09-01 00:00:00

abstract：:Although amebiasis is prevalent in tropical and subtropical areas, it occurs sporadically in the United States. Pleuropulmonary involvement is seen in about 20 percent of the patients with amebic liver abscesses. We describe a patient with pleuropulmonary amebiasis who complained of hemoptysis but had no gastrointesti...

journal_title：Chest

authors： Kennedy D,Sharma OP

更新日期：1990-11-01 00:00:00

abstract：BACKGROUND:Critically ill patients who develop ARDS have substantial associated morbidity and mortality. Circulating mitochondrial DNA (mtDNA) released during critical illness causes endothelial dysfunction and lung injury in experimental models. This study hypothesized that elevated plasma mtDNA is associated with ARD...

journal_title：Chest

authors： Faust HE,Reilly JP,Anderson BJ,Ittner CAG,Forker CM,Zhang P,Weaver BA,Holena DN,Lanken PN,Christie JD,Meyer NJ,Mangalmurti NS,Shashaty MGS

更新日期：2020-01-01 00:00:00

abstract：:A young man presented to us with an asymptomatic ovoid mass which appeared to be in the right major fissure. The roentgenographic appearance of the lesion was that of a pseudotumor. The computerized tomography scan suggested tissue density leading to exploration. At surgery, we found the mass to be a portion of liver ...

journal_title：Chest

authors： Fanta CH,Kacoyanis GP,Koster JK Jr,McFadden ER Jr

更新日期：1980-08-01 00:00:00

abstract：:Patients with COPD often have reduced inspiratory muscle strength and endurance as well as poor exercise tolerance. Increased inspiratory work during sleep (probably due to increased upper airway resistance) may further strain these compromised respiratory muscles in COPD patients. We hypothesized that nasal continuou...

journal_title：Chest

authors： Mezzanotte WS,Tangel DJ,Fox AM,Ballard RD,White DP

更新日期：1994-10-01 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：BACKGROUND:Previous studies on pulmonary hypertension (PH) in systemic sclerosis and related disorders used differing patient populations, and defined PH according to different criteria. We have attempted to determine the prevalence and cause of PH in these disorders using a mainly noninvasive cardiopulmonary evaluatio...

journal_title：Chest

authors： Murata I,Takenaka K,Yoshinoya S,Kikuchi K,Kiuchi T,Tanigawa T,Ito K

更新日期：1997-01-01 00:00:00

abstract：:Peripheral undefined pulmonary nodules have become a favorable indication for the videoendoscopic approach in thoracic surgery. In our latest experience, we also successfully applied this technique in centrally located lesions of the lung. In reviewing our first 29 cases, we looked for preoperative features of videoen...

journal_title：Chest

authors： Schwarz CD,Lenglinger F,Eckmayr J,Schauer N,Hartl P,Mayer KH

更新日期：1994-11-01 00:00:00

abstract：:Forty-eight children with known asthma (ranging in age from 2 to 16 years) were studied during an acute attack. Each received either terbutaline or epinephrine subcutaneously in a random double-blind fashion. Measurement of heart rate, respiratory rate, and systemic arterial systolic and diastolic blood pressures and ...

journal_title：Chest

authors： Davis WJ,Pang LM,Chernack WJ,Mellins RB

更新日期：1977-11-01 00:00:00

abstract：:Oxygen therapy is an integral part of the treatment of critically ill patients. Maintenance of adequate oxygen delivery to vital organs often requires the administration of supplemental oxygen, sometimes at high concentrations. Although oxygen therapy is lifesaving, it may be associated with deleterious effects when a...

journal_title：Chest

authors： Budinger GRS,Mutlu GM

更新日期：2013-04-01 00:00:00

abstract：:In two patients with acute dissection of the ascending aorta, the diagnosis was made with two-dimensional echocardiography and confirmed by aortography. The echocardiograms localized the intimal flap and false channel in both cases. Although clinical evaluation and indicated radiologic studies remain the primary modal...

journal_title：Chest

authors： Rubenson DS,Fowles RE,Miller DC,Guthaner DF,Popp RL

更新日期：1981-11-01 00:00:00

abstract：:Pneumocystis carinii pneumonia was suggested by a diffuse, bilateral pulmonary uptake of gallium-67 in an asymptomatic, homosexual male with the antibody to the immunodeficiency virus (HIV) who was undergoing staging evaluation for lymphoma clinically localized to a left inguinal lymph node. Chest radiograph and pulmo...

journal_title：Chest

authors： Reiss TF,Golden J

更新日期：1990-05-01 00:00:00

abstract：STUDY OBJECTIVES:Inspiratory capacity (IC) has been proposed as a simple method to assess acute changes in functional residual capacity (FRC) with bronchodilation, assuming that total lung capacity (TLC) is unchanged. This assumption is based on studies using body plethysmography, which may not accurately measure TLC i...

journal_title：Chest

authors： Duranti R,Filippelli M,Bianchi R,Romagnoli I,Pellegrino R,Brusasco V,Scano G

更新日期：2002-12-01 00:00:00

abstract：:We evaluated the demographic, medical, and flight characteristics of 1,115 passengers who were routinely referred for preflight medical screening by a major domestic air carrier. The largest category consisted of 892 patients who requested in-flight oxygen therapy for cardiopulmonary conditions, of which COPD and card...

journal_title：Chest

authors： Gong H Jr,Mark JA,Cowan MN

更新日期：1993-09-01 00:00:00

abstract：STUDY OBJECTIVES:To validate a previously developed multisystem organ failure (MSOF) score with and without the addition of the lactate dehydrogenase (LDH) level as a predictor of survival to hospital discharge in patients with AIDS-related Pneumocystis carinii pneumonia (PCP) and acute respiratory failure (ARF). DESI...

journal_title：Chest

authors： Forrest DM,Djurdjev O,Zala C,Singer J,Lawson L,Russell JA,Montaner JS

更新日期：1998-07-01 00:00:00

abstract：:We conducted a study of ultrasound (US)-guided pleural biopsy with a Tru-Cut needle and made a comparison with the results of a traditional pleural biopsy with an Abrams needle. A total of 49 patients with unilateral pleural effusion were included in this study. Twenty-four patients underwent a traditional pleural bio...

journal_title：Chest

authors： Chang DB,Yang PC,Luh KT,Kuo SH,Yu CJ

更新日期：1991-11-01 00:00:00

abstract：BACKGROUND:Ultrasound enables the visualization of pleural-based lesions with a poor correlation to specific pathology. At this time, there are no data about the diagnostic value of contrast-enhanced sonography (CES) in pleural lesions. METHODS:From August 2004 to January 2005, 25 consecutive patients with clinical sy...

journal_title：Chest

authors： Görg C,Bert T,Görg K

更新日期：2005-12-01 00:00:00

abstract：:Recurrent pericardial effusion or tamponade can complicate malignant disease. The medical approach with pharmacologic agents has a high recurrence rate. Balloon pericardiotomy (BP) may provide a less invasive alternative to surgery. We performed BP in ten high-risk patients with malignant pericardial tamponade (MPT). ...

journal_title：Chest

authors： Galli M,Politi A,Pedretti F,Castiglioni B,Zerboni S

更新日期：1995-12-01 00:00:00

abstract：:Endogenously produced oxides of nitrogen appear to play important roles in tissue and organ homeostasis. Endogenous production of nitric oxide, which can be altered in response to various stimuli, can modulate vascular tone, oxyradical cascades, cell adhesion, and other aspects of inflammation. Because exogenously adm...

journal_title：Chest

authors： Meyer KC,Love RB,Zimmerman JJ

更新日期：1998-05-01 00:00:00

abstract：STUDY OBJECTIVES:To summarize the available data on COPD prevalence and assess reasons for conflicting prevalence estimates in the published literature. DESIGN:We reviewed published studies that (1) estimated COPD prevalence for a population, and (2) clearly described the methods used to obtain the estimates. RESULTS...

journal_title：Chest

authors： Halbert RJ,Isonaka S,George D,Iqbal A

更新日期：2003-05-01 00:00:00

abstract：:In order to determine which patients with congestive heart failure (CHF) develop Cheyne-Stokes respiration (CSR) during sleep, we compared the cardiorespiratory profiles of CHF patients with CSR to those of CHF patients without CSR. Overnight polysomnography and continuous transcutaneous PCO2 (tc PCO2) monitoring, est...

journal_title：Chest

authors： Hanly P,Zuberi N,Gray R

更新日期：1993-10-01 00:00:00

abstract：:Alterations in peripheral vascular tone are presumed to contribute to circulatory failure during severe sepsis. Decreased venous tone with venous pooling may decrease effective circulatory blood volume, while decreased arterial tone with redistribution of systemic blood may compromise tissue nutrient flow. We compared...

journal_title：Chest

authors： Astiz ME,Rackow EC,Haydon P,Karras G,Weil MH

更新日期：1989-08-01 00:00:00

abstract：BACKGROUND:Asthma may increase the risk of comorbid depressive disorders in children. Children suffering from asthma or depression are more often overweight. We examined whether depression was more likely in children with atopic and nonatopic asthma, independent of abdominal adiposity. METHODS:A cross-sectional analys...

journal_title：Chest

authors： Bahreinian S,Ball GDC,Colman I,Becker AB,Kozyrskyj AL

更新日期：2011-11-01 00:00:00

abstract：OBJECTIVE:Ultrafiltration (UF) can improve the exercise performance of patients with moderate congestive heart failure (CHF). Our aim was to define the starting levels of performance below which UF is beneficial. PATIENTS AND METHOD:We studied 26 patients in 2 to 3 NYHA class, whose clinical condition was stable, left...

journal_title：Chest

authors： Marenzi GC,Lauri G,Guazzi M,Perego GB,Agostoni PG

更新日期：1995-07-01 00:00:00

abstract：:Unidirectional endobronchial valves, originally studied for potential treatment of emphysema, have emerged as a useful intervention for patients with persistent air leak from the lung. The procedure is accomplished via bronchoscopy in a patient who already has a chest tube in place for management of the air leak. It u...

journal_title：Chest

authors： Kovitz KL,French KD

更新日期：2013-08-01 00:00:00

abstract：:The previously unreported association of chronic persistent cough due to a duplication esophageal cyst is presented. The presence of a long history of atopy, bronchitis, and asthma resulted in a delay in diagnosis. When vigorous bronchodilator therapy was unsuccessful, close observation of the patient and review of he...

journal_title：Chest

authors： Bowton DL,Katz PO

更新日期：1984-07-01 00:00:00

abstract：STUDY OBJECTIVE:To determine the prevalence of left ventricular diastolic dysfunction in patients with biopsy specimen-proved pulmonary sarcoidosis without clinical evidence of cardiac disease. DESIGN:A cross-sectional study. SETTING:A large tertiary care university teaching hospital. PATIENTS AND CONTROL SUBJECTS:F...

journal_title：Chest

authors： Fahy GJ,Marwick T,McCreery CJ,Quigley PJ,Maurer BJ

更新日期：1996-01-01 00:00:00

abstract：:The effects of the administration of ouabain on the peak negative left ventriculat (LV) dP/dt were studied in 14 patients with acute myocardial infarction. Prior to administration of ouabain, negative LV dP/at was lower than previously reported for patients without coronary arterial disease. One hour after administrat...

journal_title：Chest

authors： Loeb HS,Sinno MZ,Rahimtoola SH,Gunnar RM,Blount SG Jr

更新日期：1976-08-01 00:00:00

abstract：BACKGROUND:Infused and inhaled treprostinil are effective for treatment of pulmonary arterial hypertension (PAH), although their administration routes have limitations. This study assessed the efficacy and safety of bid oral sustained-release treprostinil in the treatment of PAH with a concomitant endothelin receptor a...

journal_title：Chest

authors： Tapson VF,Torres F,Kermeen F,Keogh AM,Allen RP,Frantz RP,Badesch DB,Frost AE,Shapiro SM,Laliberte K,Sigman J,Arneson C,Galiè N

更新日期：2012-12-01 00:00:00