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Protective effects of phosphodiesterase inhibitors on lung function and remodeling in a murine model of chronic asthma BJMBR
Campos,H.S.; Xisto,D.G.; Oliveira,M.B.G.; Teixeira,I.; Negri,E.M.; Mauad,T.; Carnielli,D.; Lima,L.M.; Barreiro,E.J.; Faffe,D.S.; Zin,W.A.; Lapa e Silva,J.R.; Rocco,P.R.M..
The aim of the present study was to compare the efficacy of a novel phosphodiesterase 4 and 5 inhibitor, LASSBio596, with that of dexamethasone in a murine model of chronic asthma. Lung mechanics (airway resistance, viscoelastic pressure, and static elastance), histology, and airway and lung parenchyma remodeling (quantitative analysis of collagen and elastic fiber) were analyzed. Thirty-three BALB/c mice were randomly assigned to four groups. In the asthma group (N = 9), mice were immunized with 10 µg ovalbumin (OVA, ip) on 7 alternate days, and after day 40 they were challenged with three intratracheal instillations of 20 µg OVA at 3-day intervals. Control mice (N = 8) received saline under the same protocol. In the dexamethasone (N = 8) and LASSBio596...
Tipo: Info:eu-repo/semantics/other Palavras-chave: Asthma; Lung function; Steroid; Phosphodiesterase inhibitors; BALB/c mice.
Ano: 2006 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-879X2006000200016
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Hypomagnesemia in critically ill cancer patients: a prospective study of predictive factors BJMBR
Deheinzelin,D.; Negri,E.M.; Tucci,M.R.; Salem,M.Z.; Cruz,V.M. da; Oliveira,R.M.; Nishimoto,I.N.; Hoelz,C..
Hypomagnesemia is the most common electrolyte disturbance seen upon admission to the intensive care unit (ICU). Reliable predictors of its occurrence are not described. The objective of this prospective study was to determine factors predictive of hypomagnesemia upon admission to the ICU. In a single tertiary cancer center, 226 patients with different diagnoses upon entering were studied. Hypomagnesemia was defined by serum levels <1.5 mg/dl. Demographic data, type of cancer, cause of admission, previous history of arrhythmia, cardiovascular disease, renal failure, drug administration (particularly diuretics, antiarrhythmics, chemotherapy and platinum compounds), previous nutrition intake and presence of hypovolemia were recorded for each patient. Blood...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Magnesium; Magnesium deficiency; Intensive care unit; Electrolytes; Surgery; Dietary habits; Postoperative patient.
Ano: 2000 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-879X2000001200007
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Treatment of hemorrhagic shock with hypertonic saline solution modulates the inflammatory response to live bacteria in lungs BJMBR
Fernandes,C.I.; Llimona,F.; Godoy,L.C.; Negri,E.M.; Pontieri,V.; Moretti,A.I.; Fernandes,T.R.; Soriano,F.G.; Velasco,I.T.; Souza,H.P..
Shock and resuscitation render patients more susceptible to acute lung injury due to an exacerbated immune response to subsequent inflammatory stimuli. To study the role of innate immunity in this situation, we investigated acute lung injury in an experimental model of ischemia-reperfusion (I-R) followed by an early challenge with live bacteria. Conscious rats (N = 8 in each group) were submitted to controlled hemorrhage and resuscitated with isotonic saline (SS, 0.9% NaCl) or hypertonic saline (HS, 7.5% NaCl) solution, followed by intratracheal or intraperitoneal inoculation of Escherichia coli. After infection, toll-like receptor (TLR) 2 and 4 mRNA expression was monitored by RT-PCR in infected tissues. Plasma levels of tumor necrosis factor α and...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Toll-like receptors; Immune system; Pneumonia; Escherichia coli; Neutrophils.
Ano: 2009 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-879X2009001000004
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