Blood flow and skeletal muscle in patients with heart failure.

abstract：OBJECTIVES:To gain more knowledge of changes in main pulmonary artery flow and right ventricular mass and volumes in patients with pulmonary hypertension during epoprostenol therapy. METHODS:Eleven patients (9 women) were evaluated before the start of therapy and every 4 months thereafter. Right and left ventricular v...

journal_title：Chest

authors： Roeleveld RJ,Vonk-Noordegraaf A,Marcus JT,Bronzwaer JG,Marques KM,Postmus PE,Boonstra A

更新日期：2004-02-01 00:00:00

abstract：BACKGROUND:Productivity loss is an overlooked aspect of the burden of chronic health conditions. While modern guidelines emphasize achieving clinical control in asthma management, few studies have reported on the relationship between asthma control and productivity loss. We calculated the productivity loss that can be ...

journal_title：Chest

authors： Sadatsafavi M,Rousseau R,Chen W,Zhang W,Lynd L,FitzGerald JM

更新日期：2014-04-01 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：: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：:The criteria of the American Thoracic Society (ATS) for determining the end-point of the forced vital capacity (FVC) maneuver were compared with an algorithm employed by a computer system (Hewlett-Packard), which yields a later end-point. The 150 subjects tested were divided into five groups of 30 on the basis of the ...

journal_title：Chest

authors： Pistelli G,Carmignani G,Paoletti P,Di Pede F,Viegi G,Carrozzi L,Celi A,Giuntini C

更新日期：1987-01-01 00:00:00

abstract：:The definition of a standard therapy for resectable esophageal cancer remains a clinical controversy. In the past decade, a variety of strategies have been developed in an attempt to improve local control and decrease the all too common problem of distant metastases. Preoperative treatment with radiotherapy or chemoth...

journal_title：Chest

authors： DeCamp MM Jr,Swanson SJ,Jaklitsch MT

更新日期：1999-12-01 00:00:00

abstract：:An unusual case of Staphylococcus aureus endocarditis confined to the mural left atrium is presented. Echocardiographic studies revealed a 1.5 x 2.0-cm vegetation mimicking a myxoma situated in the path of a mitral regurgitant jet on a color Doppler test. Emboli to upper and lower extremities and brain complicated the...

journal_title：Chest

authors： Bierbrier GS,Novick RJ,Guiraudon C,Wisenberg G,Boughner D

更新日期：1991-03-01 00:00:00

abstract：:Interstitial pneumonitis in children is a rare and poorly understood disease. Controversy exists as to whether the varoius histologic changes encountered represent different disease or a spectrum of the same disease. Fourteen biopsy-confirmed cases of desquamative interstitial pneumonitis in children were seen at the ...

journal_title：Chest

authors： Stillwell PC,Norris DG,O'Connell EJ,Rosenow EC 3rd,Weiland LH,Harrison EG Jr

更新日期：1980-02-01 00:00:00

abstract：:Angiosarcoma in the lung is an uncommon disorder and is usually attributable to metastasis from a primary site. Primary pulmonary angiosarcoma is extremely rare, and the prognosis of affected individuals is dismal, with most patients dying within months of presentation. Indeed, there have been no reported instances of...

journal_title：Chest

authors： Kojima K,Okamoto I,Ushijima S,Yoshinaga T,Kitaoka M,Suga M,Sasaki Y

更新日期：2003-12-01 00:00:00

abstract：:We evaluated the physiologic effects of pressure support ventilation by nasal route (NPSV) in eight patients with severe stable COPD and chronic hypercapnia who were randomly submitted to 2-h sessions of NPSV both with a portable ventilator (Respironics BIPAP device) and with a standard ventilator (Bird 6400ST device)...

journal_title：Chest

authors： Ambrosino N,Nava S,Bertone P,Fracchia C,Rampulla C

更新日期：1992-02-01 00:00:00

abstract：:Health systems confronting the coronavirus disease 2019 (COVID-19) pandemic must plan for surges in ICU demand and equitably distribute resources to maximize benefit for critically ill patients and the public during periods of resource scarcity. For example, morbidity and mortality could be mitigated by a proactive re...

journal_title：Chest

authors： Prekker ME,Brunsvold ME,Bohman JK,Fischer G,Gram KL,Litell JM,Saavedra-Romero R,Hick JL

更新日期：2020-08-01 00:00:00

abstract：:Pulmonary embolism is a common and potentially lethal disease. Given the variable presentation and associated morbidity of this condition, an accurate and efficient diagnostic algorithm is required. Clinical pretest probability serves as the root of any diagnostic approach. We, thus, review several clinical decision r...

journal_title：Chest

authors： Moores LK,King CS,Holley AB

更新日期：2011-08-01 00:00:00

abstract：:OSA is associated with significant adverse outcomes with far-reaching health-care implications. OSA is much more common and severe in patients with Down syndrome (DS) than in the general population, yet there is a striking lack of literature in this area. In this review article, we have summarized the current state of...

journal_title：Chest

authors： Lal C,White DR,Joseph JE,van Bakergem K,LaRosa A

更新日期：2015-02-01 00:00:00

abstract：BACKGROUND:FEV1 may remain stable while high-resolution CT (HRCT) appearances deteriorate in children with cystic fibrosis (CF). However, spirometry results commonly decline in older age groups. OBJECTIVES:To compare the rate of decline in HRCT abnormalities and spirometry results over time in an adult cohort with CF....

journal_title：Chest

authors： Judge EP,Dodd JD,Masterson JB,Gallagher CG

更新日期：2006-11-01 00:00:00

abstract：:Nineteen patients were treated at the Los Angeles County Harbor/UCLA Medical Center between 1971 and 1986 for tuberculosis of the spine. Fourteen were immigrants, a high-risk group. A high index of suspicion is required for Pott's disease, which occurs in fewer than 1 percent of patients with tuberculosis, often prese...

journal_title：Chest

authors： Omari B,Robertson JM,Nelson RJ,Chiu LC

更新日期：1989-01-01 00:00:00

abstract：BACKGROUND:In a rodent model of cardiac arrest and resuscitation in which the inspired gas mixture was enriched with oxygen, resuscitability and survival were unaffected by positive pressure ventilation. In the present study, in a larger animal model, tidal volumes generated during precordial compression and with spont...

journal_title：Chest

authors： Noc M,Weil MH,Tang W,Turner T,Fukui M

更新日期：1995-09-01 00:00:00

abstract：:As an aid in the differential diagnosis of exudative pleural effusions, tumor markers were investigated. We measured immunosuppressive acidic protein (IAP), carbohydrate antigen 19-9 (CA 19-9), tissue polypeptide antigen (TPA), carcinoembryonic antigen (CEA), adenosine deaminase (ADA), and alpha 1-acid glycoprotein (A...

journal_title：Chest

authors： Niwa Y,Kishimoto H,Shimokata K

更新日期：1985-03-01 00:00:00

abstract：BACKGROUND:Altitude-induced pulmonary hypertension has been suggested to cause left ventricular (LV) diastolic dysfunction due to ventricular interaction. In this study, we evaluate the effects of exercise- and altitude-induced increase in pulmonary artery pressures on LV diastolic function in an interventional setting...

journal_title：Chest

authors： Bernheim AM,Kiencke S,Fischler M,Dorschner L,Debrunner J,Mairbäurl H,Maggiorini M,Brunner-La Rocca HP

更新日期：2007-08-01 00:00:00

abstract：STUDY OBJECTIVES:To describe the prevalence of parental prompting to smoke (eg, parent requests that their child light the parent's cigarette in his/her own mouth) in a sample of families, and to assess the agreement between child and parent reports of the prompting behaviors. DESIGN, SETTING, AND PARTICIPANTS:A total...

journal_title：Chest

authors： Laniado-Laborín R,Candelaria JI,Villaseñor A,Woodruff SI,Sallis JF

更新日期：2004-02-01 00:00:00

abstract：:Twenty-eight patients developed severe, progressive acute respiratory insufficiency despite aggressive application of conventional respiratory therapy. Application of increased PEEP (18 torr or greater) resulted in a significant decrease in QA/QT. Selection of the optimal levle of PEEP for each patient required seria...

journal_title：Chest

authors： Kirby RR,Downs JB,Civetta JM,Modell JH,Dannemiller FJ,Klein EF,Hodges M

更新日期：1975-02-01 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：:In order to assess the complications of sleep apnea, we have reviewed a data base of 619 consecutive admissions to a university sleep disorders center. Although patients with obstructive sleep apnea (OSA) described more subjective sleepiness than patients with central sleep apnea (CSA) or primary snoring (PS), the mul...

journal_title：Chest

authors： Mendelson WB

更新日期：1992-04-01 00:00:00

abstract：:99mTechnetium macroaggregated albumin has successfully been used to define severe postoperative pulmonary vasoconstriction in a four-month-old boy with D-transposition of the great vessels who had undergone a Blalock-Hanlon surgical atrial septectomy. Radionuclide imaging documented clinically suspected pulmonary vaso...

journal_title：Chest

authors： Moodie DS,Levy JM,Kahn DR,Lieberman LM,Pastakia B

更新日期：1979-09-01 00:00:00

abstract：:Our understanding of asthma epidemiology is growing increasingly complex. Asthma outcomes are clearly socially patterned, with asthma ranking as a leading cause of health disparities among minority and low socioeconomic groups. Yet, the increasing prevalence and marked disparities in asthma remain largely unexplained ...

journal_title：Chest

authors： Wright RJ,Subramanian SV

更新日期：2007-11-01 00:00:00

abstract：STUDY OBJECTIVES:Patients with COPD have an increased sympathetic modulation and reduced baroreflex sensitivity (BRS). Therefore, we studied the effects of breathing 31% supplemental oxygen (SuppO(2)) on autonomic modulation in a group of COPD patients. DESIGN:We measured autonomic modulation before and during the adm...

journal_title：Chest

authors： Bartels MN,Gonzalez JM,Kim W,De Meersman RE

更新日期：2000-09-01 00:00:00

abstract：BACKGROUND:There are several reports on underdiagnosis of COPD, while little is known about COPD overdiagnosis and overtreatment. We describe the overdiagnosis and the prevalence of spirometrically defined false positive COPD, as well as their relationship with overtreatment across 23 population samples in 20 countries...

journal_title：Chest

authors： Sator L,Horner A,Studnicka M,Lamprecht B,Kaiser B,McBurnie MA,Buist AS,Gnatiuc L,Mannino DM,Janson C,Bateman ED,Burney P,BOLD Collaborative Research Group.

更新日期：2019-08-01 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:Acetazolamide and medroxyprogesterone acetate (MPA) are two respiratory stimulants that can be used in patients with stable hypercapnic COPD. DESIGN AND METHODS:The effects of acetazolamide, 250 mg bid, and MPA, 30 mg bid, on daytime and nighttime blood gas values and the influences on the hypercapnic and h...

journal_title：Chest

authors： Wagenaar M,Vos P,Heijdra Y,Teppema L,Folgering H

更新日期：2003-05-01 00:00:00

abstract：BACKGROUND:Childhood OSA is a prevalent condition associated with raised BP as documented in cross-sectional studies. This study aimed to determine whether baseline or change in OSA severity was associated with ambulatory BP at 4-year follow-up. METHODS:Children who participated in our previous OSA prevalence research...

journal_title：Chest

authors： Li AM,Au CT,Ng C,Lam HS,Ho CKW,Wing YK

更新日期：2014-06-01 00:00:00

abstract：BACKGROUND:There is an increasing demand for home mechanical ventilation (HMV) in patients with chronic respiratory insufficiency. At present, noninvasive ventilation is exclusively initiated in a clinical setting at all four centers for HMV in the Netherlands. In addition to its high societal costs and patient discomf...

journal_title：Chest

authors： van den Biggelaar RJM,Hazenberg A,Cobben NAM,Gaytant MA,Vermeulen KM,Wijkstra PJ

更新日期：2020-12-01 00:00:00