Frequency dependent phase and amplitude differences between simulated mouth and pleural pressures during panting. Demonstration with a mechanical model.

abstract：:In patients with disseminated nonseminomatous testicular germ cell tumors (NSTGCT), a retroperitoneal residual tumor mass (RRTM) and/or a pulmonary residual tumor mass (PRTM) are often present after successful treatment with cisplatin-based polychemotherapy. Results and complications of postchemotherapy resection of P...

journal_title：Chest

authors： Gels ME,Hoekstra HJ,Sleijfer DT,Nijboer AP,Molenaar WM,Ebels T,Schraffordt Koops H

更新日期：1997-10-01 00:00:00

abstract：:In this investigation, we examined changes in exfoliated tracheobronchial cells in sputum in 46 individuals (mean age = 49.2 years; mean packyears = 48.7) who discontinued smoking and 37 individuals (mean age = 54.9 years; mean packyears = 65.2) who continued to smoke over a 12-month period after participation in the ...

journal_title：Chest

authors： Swan GE,Hodgkin JE,Roby T,Mittman C,Jacobo N,Peters J

更新日期：1992-03-01 00:00:00

abstract：:Most panels that develop clinical practice guidelines are poorly equipped to address resource allocation or cost issues associated with management options. This risks neglect, arbitrariness, lack of transparency, and methodological flaws in consideration of resource allocation. We provide recommendations for guideline...

journal_title：Chest

authors： Guyatt G,Baumann M,Pauker S,Halperin J,Maurer J,Owens DK,Tosteson AN,Carlin B,Gutterman D,Prins M,Lewis SZ,Schünemann H

更新日期：2006-01-01 00:00:00

abstract：OBJECTIVES:To study the effects of augmentation of continuous positive airway pressure (CPAP) education and support on compliance and outcome in patients with obstructive sleep apnea (OSA). DESIGN:A randomized, controlled, parallel study of basic vs augmented CPAP education and support. SETTING:A university teaching ...

journal_title：Chest

authors： Hui DS,Chan JK,Choy DK,Ko FW,Li TS,Leung RC,Lai CK

更新日期：2000-05-01 00:00:00

abstract：:Two cases of a Greenfield inferior vena cava (IVC) filter being dislodged during central venous catheter placement are described. This event appears to be related to J-tip guidewire use during venous catheterization. To our knowledge, this occurrence previously has not been reported. One of the two filters was dislodg...

journal_title：Chest

authors： Marelich GP,Tharratt RS

更新日期：1994-09-01 00:00:00

abstract：OBJECTIVE:To determine the risk of acquiring ventilator-associated pneumonia (VAP) and the impact on costs when extending ventilator circuit change intervals beyond 2 days to 7 and 30 days. DESIGN:Prospective 4-year review of mechanically ventilated patients. SETTING:The respiratory and medical ICUs of an 800-bed ter...

journal_title：Chest

authors： Fink JB,Krause SA,Barrett L,Schaaff D,Alex CG

更新日期：1998-02-01 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：BACKGROUND:The hypoxia test can be performed to identify potential hypoxia that might occur in an at-risk individual during air travel. In 2004, the British Thoracic Society increased the hypoxia test cutoff guideline from 85 to 90% in young children. The aim of this study was to investigate how well the cutoff values ...

journal_title：Chest

authors： Martin AC,Verheggen M,Stick SM,Stavreska V,Oostryck J,Wilson AC,Hall GL

更新日期：2008-04-01 00:00:00

abstract：:Congenital subclavian steal consists of atresia of the proximal end of the subclavian artery, while the blood supply to the distal portion of the subclavian artery originates from the circle of Willis. It should be suspected in complicated malformations of the heart associated with marked hypoplasia or interruption of...

journal_title：Chest

authors： Garcia O,Wilkins R,Cunha D,Jesse MJ

更新日期：1975-03-01 00:00:00

abstract：:Three sets of guidelines for the management of COPD that are widely recognized (from the European Respiratory Society [ERS], American Thoracic Society [ATS], and British Thoracic Society [BTS]) are reviewed and compared. None of the documents uses classic evidence-based documentation, and, in many instances, the recom...

journal_title：Chest

authors： Ferguson GT

更新日期：2000-02-01 00:00:00

abstract：STUDY OBJECTIVE:Our group performed a randomized trial to assess whether the addition of endobronchial ultrasound (EBUS) guidance will lead to better results than standard transbronchial needle aspiration (TBNS). EBUS guidance seems to be beneficial in increasing the yield of TBNA but has not been proven to be superior...

journal_title：Chest

authors： Herth F,Becker HD,Ernst A

更新日期：2004-01-01 00:00:00

abstract：BACKGROUND:This study investigates the long-term benefits of pulmonary rehabilitation in terms of health-related quality of life (HRQL). Such information is of particular importance in developing strategies for aftercare at home which aim to maintain the initial improvements seen after rehabilitation. METHODS:Criteria...

journal_title：Chest

authors： Ketelaars CA,Abu-Saad HH,Schlösser MA,Mostert R,Wouters EF

更新日期：1997-08-01 00:00:00

abstract：STUDY OBJECTIVES:Whereas pulmonary rehabilitation reduces symptoms and improves the quality of life of patients with COPD and is recommended in management guidelines, few patients have access to rehabilitation services. The purpose of this study was to investigate the effectiveness of increasing access to selected comp...

journal_title：Chest

authors： Coultas D,Frederick J,Barnett B,Singh G,Wludyka P

更新日期：2005-10-01 00:00:00

abstract：BACKGROUND:The burden of children's chronic cough to parents is largely unknown. The objectives of this study were as follows: (1) to determine the burden of chronic cough using a purposely designed questionnaire, and (2) to evaluate psychological (child's anxiety and parental emotional distress) and other influences o...

journal_title：Chest

authors： Marchant JM,Newcombe PA,Juniper EF,Sheffield JK,Stathis SL,Chang AB

更新日期：2008-08-01 00:00:00

abstract：STUDY OBJECTIVES:Evidence exists that HIV-seropositive individuals may be at increased risk for the development of precocious pulmonary emphysema. HIV infection is also associated with antioxidant deficiency in both the serum and lungs, and it is therefore possible that increased oxidant stress may contribute to parenc...

journal_title：Chest

authors： Diaz PT,Wewers MD,King M,Wade J,Hart J,Clanton TL

更新日期：2004-11-01 00:00:00

abstract：:It is well-recognized that atrial natriuretic peptide (ANP) and B-type natriuretic peptide (BNP) are raised in conditions with ventricular volume and pressure overload. In addition to this established role in left ventricular congestive cardiac failure, there is good evidence that BNP has a diagnostic role in right ve...

journal_title：Chest

authors： Yap LB,Mukerjee D,Timms PM,Ashrafian H,Coghlan JG

更新日期：2004-10-01 00:00:00

abstract：UNLABELLED:Protected specimen brush (PSB) is considered to be one of the standard methods for the diagnosis of ventilator-associated pneumonia, but to our knowledge, intraindividual variability in results has not been reported previously. PURPOSE:To compare the results of two PSB performed in the same subsegment on pa...

journal_title：Chest

authors： Timsit JF,Misset B,Francoual S,Goldstein FW,Vaury P,Carlet J

更新日期：1993-07-01 00:00:00

abstract：:The purpose of this study was to determine the incidence and severity of obstructive events and oxyhemoglobin desaturation (dSaO2) in 37 patients with paralytic/restrictive ventilatory insufficiency during use of nocturnal ventilatory assistance provided by means of negative-pressure body ventilators (BVs). Thirteen o...

journal_title：Chest

authors： Bach JR,Penek J

更新日期：1991-06-01 00:00:00

abstract：:In an effort to characterize the effectiveness of cardiology consultation, the outcomes of consultants' recommendations for diagnostic actions and cardiac drugs were quantitatively examined in 394 cases. Drug recommendations were made more frequently (49 percent) than diagnostic recommendations (38 percent) and were a...

journal_title：Chest

authors： Mackenzie TB,Popkin MK,Callies AL,Jorgensen CR,Cohn JN

更新日期：1981-01-01 00:00:00

abstract：:Renin-angiotensin system activation is suspected of being involved in postcoronary surgery hypertension, but appears to be useful in maintaining blood pressure during anesthesia and cardiopulmonary bypass. To clarify these points, 19 patients were compared: ten as a control group and nine who received captopril during...

journal_title：Chest

authors： Colson P,Grolleau D,Chaptal PA,Ribstein J,Mimran A,Roquefeuil B

更新日期：1988-06-01 00:00:00

abstract：:Elimination half-life and apparent volume of distribution of theophylline were determined in ten healthy volunteers who used smokeless tobacco (snuff or chewing tobacco) regularly but did not smoke cigarettes. Serum concentrations of the acute phase reactant alpha 1-acid glycoprotein (AAG) were also measured. The elim...

journal_title：Chest

authors： Parish RC,Terrell JR,Brown WJ Jr

更新日期：1989-06-01 00:00:00

abstract：:Systolic time interval studies were performed to evaluate left ventricular performance in 28 patients with untreated systemic hypertension but without clinical heart failure. The pre-ejection period (PEP) was significantly prolonged (p smaller than 0.001) and left ventricular ejectime time (LVET) was shortened (p smal...

journal_title：Chest

authors： Dodek A,Burg JR,Kloster FR

更新日期：1975-07-01 00:00:00

abstract：:Coronary arteriovenous fistula is an uncommon, although not rare, congenital cardiac malformation, especially in the adult. Most such reported such cases have involved but a single coronary vessel. This report documents the second case of coronary arteriovenous fistulae involving the right and circumflex coronary vess...

journal_title：Chest

authors： Babb JD,Field JM

更新日期：1977-11-01 00:00:00

abstract：STUDY OBJECTIVE:To evaluate the efficacy of negative pressure ventilation (NPV) in avoiding or reducing apneas and related hypoxemia and respiratory acidosis during laser therapy (LT) of endobronchial lesions. DESIGN:A prospective, controlled, randomized study. SETTING:An operating theater of a respiratory endoscopy ...

journal_title：Chest

authors： Vitacca M,Natalini G,Cavaliere S,Clini E,Foccoli P,Candiani A,Ambrosino N

更新日期：1997-12-01 00:00:00

abstract：BACKGROUND:Clinical practice guidelines recommend enteral over parenteral nutrition in critical illness and do not recommend early initiation. Few data are available on parenteral nutrition use or timing of initiation in the ICU or how this use may have changed over time. METHODS:We used the Project IMPACT database to...

journal_title：Chest

authors： Gershengorn HB,Kahn JM,Wunsch H

更新日期：2014-03-01 00:00:00

abstract：STUDY OBJECTIVES:The aim of this study was to evaluate the immediate and midterm results of coronary artery bypass grafting with the radial artery (RA) as a conduit. PATIENTS:Two hundred forty-one patients underwent myocardial revascularization using the RA. In 78.5% of patients, three coronary vessels were involved, ...

journal_title：Chest

authors： Beghi C,Nicolini F,Budillon AM,Borrello B,Ballore L,Reverberi C,Gherli T

更新日期：2002-12-01 00:00:00

abstract：OBJECTIVE:To evaluate changes in cerebral tissue oxygenation and blood volume during obstructive sleep apnea (OSA). METHODS:We studied eight men with moderate to severe OSA by near-infrared spectroscopy (NIRS) simultaneously with polysomnography during nocturnal sleep (five patients) and daytime naps (three). RESULTS...

journal_title：Chest

authors： Hayakawa T,Terashima M,Kayukawa Y,Ohta T,Okada T

更新日期：1996-04-01 00:00:00

abstract：STUDY OBJECTIVE:We have previously investigated the effects of microphone type and coupler air chamber depth on lung sound characteristics. We now report the results of experiments exploring the effects of air chamber width, shape, and venting on lung sounds. DESIGN:We used a single electret microphone with a variety ...

journal_title：Chest

authors： Kraman SS,Wodicka GR,Oh Y,Pasterkamp H

更新日期：1995-10-01 00:00:00

abstract：:Autopsy findings and a morphometric study of the lungs were compared in 18 subjects receiving nocturnal oxygen and 15 receiving continuous oxygen in the National Heart, Lung, and Blood Institute Nocturnal Oxygen Therapy Trial (about half of those who died). The emphysema score, average interalveolar wall distance, cen...

journal_title：Chest

authors： Jacques J,Cooney TP,Silvers GW,Petty TL,Wright JL,Thurlbeck WM

更新日期：1984-08-01 00:00:00

abstract：:Inadequate tissue oxygenation may occur in critically ill patients with sepsis despite an apparently adequate O2 transport (QO2), and this may contribute to the development of an O2 debt and also to multiple organ failure. It has been shown that increasing QO2 by infusing a vasodilator may reveal this O2 debt in septi...

journal_title：Chest

authors： Pittet JF,Lacroix JS,Gunning K,Laverriere MC,Morel DR,Suter PM

更新日期：1990-12-01 00:00:00