Cocaine-induced bradyarrhythmia: an unsuspected cause of syncope.

abstract：:In 14 consecutive patients with varying myocardial function, evaluation of the Valsalva maneuver was performed using aortic pulse pressure decay to investigate a possible quantitative relationship between the pattern of response and the degree of myocardial dysfunction. The aortic pulse pressure response during strain...

journal_title：Chest

authors： Bernardi L,Saviolo R,Spodick DH

更新日期：1989-05-01 00:00:00

abstract：STUDY OBJECTIVE:Laboratory testing plays a minor role in the assessment of aortic dissection. Its main value is in the exclusion of other diseases. Following an incidental observation, we systematically investigated the relationship between elevated d-dimer levels and acute aortic dissection. DESIGN:We prospectively t...

journal_title：Chest

authors： Weber T,Högler S,Auer J,Berent R,Lassnig E,Kvas E,Eber B

更新日期：2003-05-01 00:00:00

abstract：STUDY OBJECTIVES:Acute exposure to the air in swine confinement units causes bronchial hyperresponsiveness and inflammation of the airways. This study was performed to assess the longitudinal development of bronchial responsiveness in pig farmers and to establish exposure-response relationships. METHODS:A cohort of 17...

journal_title：Chest

authors： Vogelzang PF,van der Gulden JW,Folgering H,Heederik D,Tielen MJ,van Schayck CP

更新日期：2000-05-01 00:00:00

abstract：:Pulmonary hypertension (PH) due to chronic lung disease is associated with a poor prognosis, regardless of the underlying respiratory condition. Updated PH guidelines recommend optimal treatment of the underlying lung disease, including long-term oxygen therapy, in patients with chronic hypoxemia despite the lack of r...

journal_title：Chest

authors： Harari S,Elia D,Humbert M

更新日期：2018-01-01 00:00:00

abstract：UNLABELLED:Formoterol solution aerosol has proved to be a fast and long-acting beta 2-sympathicomimetic drug in many clinical trials. The physical stability, however, was such that storage needed to be at 4 degrees C to 8 degrees C before first use; afterwards, the aerosol could be used for another three months at room...

journal_title：Chest

authors： Maesen FP,Nakratzas G,Bantje TA,Prins J,Zweers PG

更新日期：1992-11-01 00:00:00

abstract：OBJECTIVES:Tumor necrosis factor (TNF)-alpha is known to be a proinflammatory cytokine that has a pronounced negative inotropic effect and plays an important role in ischemic-reperfusion injury. METHODS:Twenty isolated rat hearts were randomly divided equally into two groups (heparin and non-heparin) and were perfused...

journal_title：Chest

authors： Pevni D,Frolkis I,Shapira I,Schwartz D,Yuhas Y,Schwartz IF,Chernichovski T,Uretzky G

更新日期：2005-09-01 00:00:00

abstract：BACKGROUND:Signs of both motor and sensory nervous lesions have previously been shown in the upper airway of patients with OSA and habitual snorers. Snoring per se may damage all upper airway neurons over time, thereby causing progression to manifest sleep apnea. To test this hypothesis, nonsnoring subjects, untreated ...

journal_title：Chest

authors： Svanborg E,Ulander M,Broström A,Sunnergren O

更新日期：2020-05-01 00:00:00

abstract：BACKGROUND:There are several reports showing that expiratory muscle strength and endurance can be impaired in patients with COPD. This muscle weakness may have clinically relevant implications. Expiratory muscle training tended to improve cough and to reduce the sensation of respiratory effort during exercise in patien...

journal_title：Chest

authors： Weiner P,Magadle R,Beckerman M,Weiner M,Berar-Yanay N

更新日期：2003-08-01 00:00:00

abstract：:This chapter about antithrombotic therapy in atrial fibrillation (AF) is part of the Seventh ACCP Conference on Antithrombotic and Thrombolytic Therapy: Evidence Based Guidelines. Grade 1 recommendations are strong and indicate that the benefits do, or do not, outweigh risks, burden, and costs. Grade 2 suggests that i...

journal_title：Chest

authors： Singer DE,Albers GW,Dalen JE,Go AS,Halperin JL,Manning WJ

更新日期：2004-09-01 00:00:00

abstract：:Indirect evidence from airway pressure recordings in mechanically ventilated patients suggests that the diaphragm exhibits contractile activity beyond that required to trigger a ventilator-assisted breath. We used the diaphragmatic EMG to provide direct evidence of persistent contractile activity and studied the effec...

journal_title：Chest

authors： Flick GR,Bellamy PE,Simmons DH

更新日期：1989-07-01 00:00:00

abstract：:A smoker presented with pleuritic chest pain and was found to have reticulonodular interstitial opacities on chest x-ray film. Open lung biopsy revealed changes consistent with histiocytosis X, a disease seen almost exclusively in smokers. Smoking cessation was recommended, and the patient complied. A chest x-ray film...

journal_title：Chest

authors： Von Essen S,West W,Sitorius M,Rennard SI

更新日期：1990-09-01 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：:Microbubble formation has been accepted as the mechanism producing contrast echoes. Comparisons of the contrast effects of various agents have been studied extensively, but the importance of gas-mixing has been less appreciated. To test the hypothesis that good gas-mixing, by facilitating microbubble formation, would ...

journal_title：Chest

authors： Chiang CW,Lin FC,Fu M,Fang BR,Hsu TS,Lee YS

更新日期：1986-05-01 00:00:00

abstract：:The spectrum of pathogens and the microbiologic investigations used to obtain a diagnosis in 178 patients with severe pneumonia (88 percent requiring intermittent positive-pressure ventilation) are reviewed. Ninety-five patients had primary pneumonia, 31 had nosocomial pneumonia, 24 were immunocompromised patients, an...

journal_title：Chest

authors： Potgieter PD,Hammond JM

更新日期：1992-01-01 00:00:00

abstract：STUDY OBJECTIVES:To examine the main therapeutic response patterns to high doses of salbutamol and to determine the factors that contribute to outcome in acute severe asthma. SETTING:The emergency department (ED) of a large, urban hospital with primary and referral care responsibilities. PATIENTS AND DESIGN:One hundr...

journal_title：Chest

authors： Rodrigo C,Rodrigo G

更新日期：1998-03-01 00:00:00

abstract：STUDY OBJECTIVES:Although videothoracoscopic (VTS) resection of Masaoka stage I thymoma has been reported to be a less invasive method than open thoracotomy and to achieve a comparable surgical outcome, the usefulness of this method in the treatment of stage II thymoma has not yet been prospectively evaluated. We there...

journal_title：Chest

authors： Cheng YJ,Kao EL,Chou SH

更新日期：2005-10-01 00:00:00

abstract：:The relationship between changes in cardiac output and intrapulmonary shunt associated with mechanical ventilation was evaluated in 20 patients with the adult respiratory distress syndrome (ARDS). The distribution of ventilation-perfusion (VA/Q) ratios and the level of intrapulmonary shunt was determined by the multip...

journal_title：Chest

authors： Dantzker DR,Lynch JP,Weg JG

更新日期：1980-05-01 00:00:00

abstract：OBJECTIVES:To review our experience with thoracoscopy and talc poudrage during the previous 15 years with regards to efficacy, side effects, morbidity, and mortality. METHODS:Six hundred fourteen consecutive patients (58.6% female; mean age, 54.5 years) underwent thoracoscopy with talc poudrage from August 1983 to May...

journal_title：Chest

authors： de Campos JR,Vargas FS,de Campos Werebe E,Cardoso P,Teixeira LR,Jatene FB,Light RW

更新日期：2001-03-01 00:00:00

abstract：BACKGROUND:COPD has traditionally been defined by the presence of irreversible airflow limitation on spirometry using either the GOLD (Global Initiative for Chronic Obstructive Lung Disease) or American Thoracic Society/European Respiratory Society criteria (lower limit of normal [LLN]). We have observed that some pati...

journal_title：Chest

authors： Lutchmedial SM,Creed WG,Moore AJ,Walsh RR,Gentchos GE,Kaminsky DA

更新日期：2015-07-01 00:00:00

abstract：:The neural mechanisms accompanying dynamic exercise of different intensities were analyzed in dogs and human subjects by means of autoregressive spectral analysis of heart period and arterial pressure variabilities. In the animal experiments, 8 conscious dogs were examined after implanting a solid state pressure gauge...

journal_title：Chest

authors： Rimoldi O,Furlan R,Pagani MR,Piazza S,Guazzi M,Pagani M,Malliani A

更新日期：1992-05-01 00:00:00

abstract：:Postmortem examination two weeks following implantation of a demand pacemaker with sutureless electrodes demonstrated that (1) the loops of intrapericardial electrode leads indented the myocardium and produced a circumscribed area of subepicardial necrosis, and (2) one of the electrode coils protruded into the right v...

journal_title：Chest

authors： Steinke WE,Thomas FT,ul Hassan Z,Mendoza RA,Gear AS

更新日期：1976-07-01 00:00:00

abstract：:We retrospectively evaluated the clinical effectiveness of a treatment schedule with intermittent positive pressure ventilation via nasal mask in 49 patients with acute exacerbations of COLD. According to the ability to successfully tolerate a preliminary trial with NIPPV, patients were submitted either to standard tr...

journal_title：Chest

authors： Foglio C,Vitacca M,Quadri A,Scalvini S,Marangoni S,Ambrosino N

更新日期：1992-06-01 00:00:00

abstract：STUDY OBJECTIVES:To examine the effect of patient body mass index (BMI) on outcome in intensive care. DESIGN:In a prospective study, the patients were classified into groups based on the calculated BMI, as follows: BMI < 19.0 (n = 350), > or = 19.0 and < 25.0 (n = 663), > or = 25.0 and < 29.9 (n = 585), > or = 30.0 an...

journal_title：Chest

authors： Ray DE,Matchett SC,Baker K,Wasser T,Young MJ

更新日期：2005-06-01 00:00:00

abstract：:Bronchodilator responses to both nebulized albuterol (salbutamol) and ipratropium bromide and aerosol delivery to the tracheobronchial tree have been assessed in eight patients with chronic stable asthma (mean baseline FEV1, 50 percent; reversibility greater than 20 percent). Two commercially available nebulizer syste...

journal_title：Chest

authors： Johnson MA,Newman SP,Bloom R,Talaee N,Clarke SW

更新日期：1989-07-01 00:00:00

abstract：:The histopathologic appearance of lung carcinoma remains an important guide to prognosis and treatment. The newly revised World Health Organization classification retains the broadest pathologic categories of the older classification but includes several revisions, including the elimination of the small cell, intermed...

journal_title：Chest

authors： Franklin WA

更新日期：2000-04-01 00:00:00

abstract：BACKGROUND:Augmentation therapy with pooled human plasma-derived alpha(1)-antitrypsin (AAT) has been shown to have biochemical efficacy in restoring serum AAT levels above the protective threshold. Also, clinical efficacy has been suggested. OBJECTIVE:To evaluate the bioequivalence of a new solvent detergent-treated p...

journal_title：Chest

authors： Stoller JK,Rouhani F,Brantly M,Shahin S,Dweik RA,Stocks JM,Clausen J,Campbell E,Norton F

更新日期：2002-07-01 00:00:00

abstract：BACKGROUND:Histopathologic evidence of fibrosis on surgical lung biopsy has been associated with reduced survival in patients with hypersensitivity pneumonitis (HP). Changes of pulmonary fibrosis detected on CT may also correlate with prognosis in patients with HP. METHODS:We identified 69 consecutive patients with HP...

journal_title：Chest

authors： Hanak V,Golbin JM,Hartman TE,Ryu JH

更新日期：2008-07-01 00:00:00

abstract：:Hemodynamic and metabolic effects of methylprednisolone were investigated in a double-blind study of 28 patients with acute myocardial infarction (AMI), confirmed by unequivocal electrocardiographic and enzyme changes. Measurements were performed prior to and at 1.5, 3, 4, 4.5, 12 and 24 hours following infusion of me...

journal_title：Chest

authors： Henning RJ,Becker H,Vincent JL,Thijs L,Kalter E,Weil MH

更新日期：1981-02-01 00:00:00

abstract：:Although the relationship between blood pressure and cardiac performance has been widely recognized, there are few published clinical observations concerning the effect of blood pressure control on cardiac function. We evaluated the effect of prazosin, an antihypertensive agent which also improves hemodynamic measurem...

journal_title：Chest

authors： Massie BM,Chan S

更新日期：1981-12-01 00:00:00

abstract：:Liquid silicone is an inert material that is utilized for cosmetic procedures by physicians as well as illegally by nonmedical personnel. We present a case report and collated clinical findings of 32 other patients who were hospitalized after illegal silicone injections. Symptoms and signs of the "silicone syndrome" i...

journal_title：Chest

authors： Schmid A,Tzur A,Leshko L,Krieger BP

更新日期：2005-06-01 00:00:00