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See detailSerum and bronchoalveolar lavage fluid endothelin-1 concentrations as diagnostic biomarkers of canine idiopathic pulmonary fibrosis
Krafft, Emilie ULg; Heikkilä, H. P.; Jespers, P. et al

in Journal of Veterinary Internal Medicine (2011)

Background: Diagnosis of canine idiopathic pulmonary fibrosis (IPF) is challenging. Endothelin-1 (ET1) is a biomarker of IPF in humans, but whether ET1 can detect and differentiate IPF from other canine ... [more ▼]

Background: Diagnosis of canine idiopathic pulmonary fibrosis (IPF) is challenging. Endothelin-1 (ET1) is a biomarker of IPF in humans, but whether ET1 can detect and differentiate IPF from other canine respiratory diseases is unknown. Objective: To evaluate whether measurement of the concentration of ET1 in serum and bronchoalveolar lavage fluid (BALF) can be used to distinguish canine IPF from chronic bronchitis (CB) and eosinophilic bronchopneumopathy (EBP). Animals: Twelve dogs with IPF, 10 dogs with CB, 6 dogs with EBP, 13 privately owned healthy West Highland White Terriers (WHWT), and 9 healthy Beagle dogs. Methods: Prospective, case control study. ET1 concentration was determined by ELISA in serum and in BALF. Results: No significant difference in serum ET1 concentration was detected between healthy Beagle dogs and WHWT. Serum ET1 concentration was higher in dogs with IPF (median interquartile range; 2.32 pg/mL, 2.05-3.38) than healthy Beagle dogs (1.28, 1.07-1.53; P < .001), healthy WHWT (1.56, 1.25-1.85; P < .001), dogs with EBP (0.94 0.68-1.01; P = .001), and dogs with CB (1.54 0.74-1.82; P = .005). BALF ET1 concentration was below the detection limit in healthy WHWT and in dogs with CB, whereas it was measurable in all dogs with IPF. A cut-off serum concentration of 1.8 pg/mL had a sensitivity of 100% and a specificity of 81.2% for detection of IPF, with an area under the receiver operating characteristic curve of 0.818. Conclusions and Clinical Importance: Serum ET1 can differentiate dogs with IPF from dogs with EBP or CB. ET1 can be detected in BALF of dogs with IPF. [less ▲]

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See detailLack of efficacy of low-dose spironolactone as adjunct treatment to conventional congestive heart failure treatment in dogs
Schuller, S.; Van Israël, N.; Vanbelle, S. et al

in Journal of Veterinary Pharmacology & Therapeutics (2011)

Aldosterone plays an important role in the pathophysiology of heart failure. Aldosterone receptor blockade has been shown to reduce morbidity and mortality in human patients with advanced congestive left ... [more ▼]

Aldosterone plays an important role in the pathophysiology of heart failure. Aldosterone receptor blockade has been shown to reduce morbidity and mortality in human patients with advanced congestive left ventricular heart failure. This study was designed to assess the efficacy and tolerance of long-term low-dose spironolactone when added to conventional heart failure treatment in dogs with advanced heart failure. Eighteen client-owned dogs with advanced congestive heart failure due to either degenerative valve disease (n=11) or dilated cardiomyopathy (n=7) were included in this prospective, placebo-controlled, double-blinded, randomized clinical study. After initial stabilization including furosemide, angiotensin-converting enzyme inhibitors, pimobendan and digoxin, spironolactone at a median dose of 0.52 mg/kg (range 0.49-0.8 mg/kg) once daily (n=9) or placebo (n=9) was added to the treatment, and the dogs were reassessed 3 and 6 months later. Clinical scoring, echocardiography, electrocardiogram, systolic blood pressure measurement, thoracic radiography, sodium, potassium, urea, creatinine, alanine aminotransferase, aldosterone and aminoterminal atrial natriuretic propeptide were assessed at baseline, 3 and 6 months. Survival times were not significantly different between the two treatment groups. Spironolactone was well tolerated when combined with conventional heart failure treatment. [less ▲]

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See detailProcollagen type III amino terminal propeptide concentration in dogs with iodiopathic pulmonary fibrosis, chronic bronchitis and eosinophilic bronchopneumopathy
Heikkilä, H. P.; Krafft, Emilie ULg; Jespers, P. et al

in 20th ECVIM Meeting - Toulouse - France - 9-12 septembre 2010 (2010, September 09)

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See detailSerum endothelin-1 concentration in terrier dogs with idiopathic pulmonary fibrosis.
Krafft, Emilie ULg; Heikkilä, H.; Jespers, P. et al

in Proceedings of the 28th ACVIM Forum (2010, June)

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See detailEvaluation of the influence of age on pulmonary arterial pressure by use of right ventricular catheterization, pulsed-wave Doppler echocardiography, and pulsed-wave tissue Doppler imaging in healthy Beagles.
Mercier, Elise ULg; Mathieu, Myrielle; Sandersen, Charlotte ULg et al

in American Journal of Veterinary Research (2010), 71(8), 891-7

OBJECTIVE: To assess the influence of age on pulmonary hemodynamics and hemorheological properties in healthy dogs. ANIMALS: 14 healthy Beagles. PROCEDURES: Dogs were placed in 2 age groups as follows ... [more ▼]

OBJECTIVE: To assess the influence of age on pulmonary hemodynamics and hemorheological properties in healthy dogs. ANIMALS: 14 healthy Beagles. PROCEDURES: Dogs were placed in 2 age groups as follows: young dogs (<or= 5 years old; n = 8) and old dogs (>or= 8 years old; 6). Hematologic characteristics, plasma total protein and fibrinogen concentrations, and blood viscosity were measured. Systolic time intervals of pulmonary blood flow were recorded by pulsed-wave Doppler echocardiography. Early (E') and late (A') diastolic myocardial velocities, isovolumic contraction velocity, and systolic myocardial velocity of the free tricuspid annulus were recorded by pulsed-wave tissue Doppler imaging (TDI). Dogs were anesthetized and pulmonary arterial pressures (PAP) and cardiac output were recorded with a pediatric thermodilution Swan-Ganz catheter. RESULTS: Hemorheological measurements were not different between the 2 groups. Systolic, mean, and diastolic PAP were higher in old dogs, compared with values in young dogs; this difference was attributed to a high pulmonary vascular resistance and low arterial compliance in old dogs. Systolic time intervals of pulmonary blood flow stayed unchanged. The A' wave of the free tricuspid annulus was increased in old, compared with that young dogs, and the E':A' ratio was decreased. Pulmonary vascular resistance was inversely correlated with compliance. CONCLUSIONS AND CLINICAL RELEVANCE: The age of dogs should be taken into account when interpreting pulmonary hemodynamic results and TDI variables of right ventricular diastolic function. [less ▲]

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See detailSerum endothelin-1 concentration in terrier dogs with idiopathic pulmonary fibrosis.
Krafft, Emilie ULg; Heikkilä, H.; Jespers et al

in Proceedings of the 35th Annual WSAVA Congress (2010)

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See detailEndothelin-1 as a serum biomarker in idiopathic pulmonary fibrosis in dogs
Krafft, Emilie ULg; Heikkilä, H.P.; Jespers, P. et al

in Proceedings of the 20th ECVIM-CA Congress (2010)

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See detailIs transforming growth factor- beta 1 involved in the pathogenesis of IPF in dogs ?
Krafft, Emilie ULg; Heikkilä, H. P.; De Lorenzi, D. et al

in Proceedings of the 20th Annual Congress of the ECVIM-CA (2010)

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See detailProcollagen Type-III aminoterminal peptide in serum, bronchoalveolar lavage fluid and bronchial brush specimens in a model of chronic bronchitis in dogs
Lonneux, M.; Bolognin, M.; Jespers, P. et al

in 19h ECVIM Meeting - Porto, Portugal - 8-10 septembre 2009 (2009, September 08)

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See detailCardiac Power Output during Dobutamine Stress
Sandersen, Charlotte ULg; Mc Entee, Kathleen ULg; Deleuze, Stefan ULg et al

in Journal of Equine Veterinary Science (2009)

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See detailComparison of bronchoalveolar lavage cytospins and smears in dogs and cats.
Dehard, Sandrine ULg; Bernaerts, Frederique ULg; Peeters, Dominique ULg et al

in Journal of the American Animal Hospital Association (2008), 44(6), 285-94

Differences in the cytological interpretation of bronchoalveolar lavage fluid (BALF) after cytospin preparation (CP) or manual smearing of pelleted cells preparation (MSP) were investigated in client ... [more ▼]

Differences in the cytological interpretation of bronchoalveolar lavage fluid (BALF) after cytospin preparation (CP) or manual smearing of pelleted cells preparation (MSP) were investigated in client-owned dogs and cats with inflammatory or infectious lower respiratory disease. Bronchoalveolar lavage fluid from healthy cats was also examined. With MSP, cell lysis was more frequently observed, and cellular distribution was more heterogeneous throughout the slide. When samples from healthy and diseased animals were considered together, a significantly greater percentage of neutrophils was seen on CP than on MSP slides (P<0.002). Cytospin preparations were considered of better quality in all individual comparisons. Cytospin preparation is advised in the evaluation of BALF with low total cell count. When only MSPs are evaluated, clinicians should be aware that differential neutrophil counts may underestimate the counts found on CP slides. [less ▲]

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See detailPretreatment of adult bone marrow mesenchymal stem cells with cardiomyogenic growth factors and repair of the chronically infarcted myocardium
Bartunek, Joseph; Croissant, J. D.; Wijns, William et al

in American Journal of Physiology - Heart and Circulatory Physiology (2007), 292(2), 1095-1104

The in vivo cardiac differentiation and functional effects of unmodified adult bone marrow mesenchymal stem cells (MSCs) after myocardial infarction (MI) is controversial. We postulated that ex vivo ... [more ▼]

The in vivo cardiac differentiation and functional effects of unmodified adult bone marrow mesenchymal stem cells (MSCs) after myocardial infarction (MI) is controversial. We postulated that ex vivo pretreatment of autologous MSCs using cardiomyogenic growth factors will lead to cardiomyogenic specification and will result in superior biological and functional effects on cardiac regeneration of chronically infarcted myocardium. We used a chronic dog MI model generated by ligation of the coronary artery (n = 30). Autologous dog bone marrow MSCs were isolated, culture expanded, and specified into a cardiac lineage by adding growth factors, including basic FGF, IGF-1, and bone morphogenetic protein-2. Dogs underwent cell injection > 8 wk after the infarction and were randomized into two groups. Group A dogs (n = 20) received MSCs specified with growth factors (147 +/- 96 x 10(6)), and group B (n = 10) received unmodified MSCs (168 +/- 24 x 10(6)). After the growth factor treatment, MSCs stained positive for the early muscle and cardiac markers desmin, antimyocyte enhancer factor-2, and Nkx2-5. In group A dogs, prespecified MSCs colocalized with troponin I and cardiac myosin. At 12 wk, group A dogs showed a significantly larger increase in regional wall thickening of the infarcted territory (from 22 +/- 8 to 32 +/- 6% in group A; P < 0.05 vs. baseline and group B, and from 19 +/- 7 to 21 +/- 7% in group B, respectively) and a decrease in the wall motion score index (from 1.60 +/- 0.05 to 1.35 +/- 0.03 in group A; P < 0.05 vs. baseline and group B, and from 1.58 +/- 0.07 vs. 1.56 +/- 0.08 in group B, respectively). The biological ex vivo cardiomyogenic specification of adult MSCs before their transplantation is feasible and appears to improve their in vivo cardiac differentiation as well as the functional recovery in a dog model of the chronically infarcted myocardium. [less ▲]

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See detailA randomised double blinded placebo controlled study of spironolactone as adjunct to conventional congestive heart failure treatment in dogs: clinical, biochemical and neurohormonal parameters
Schuller, S.; Van Israel; Van Belle, S. et al

in 16th ECVIM Meeting - Amsterdam - Nederland - Septembre 2006 (2006, September)

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See detailA randomised double blinded placebo controlled study of spironolactone as adjunct to conventional congestive heart failure treatment in dogs: electrocardiographic, radiographic, echocardiographic and survival analysis
Van Israel, N.; Schuller, S.; Van Belle, S. et al

in 16th ECVIM Meeting - Amsterdam - Nederland - Septembre 2006 (2006, September)

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See detailAnalytical, physiologic, and clinical validation of a radioimmunoassay for measurement of procollagen type III amino terminal propeptide in serum and bronchoalveolar lavage fluid obtained from dogs
Schuler, S.; Valentin, S.; Remy, Bernadette et al

in American Journal of Veterinary Research (2006), 67(5), 749-755

OBJECTIVE: To validate a radioimmunoassay for measurement of procollagen type III amino terminal propeptide (PIIINP) concentrations in canine serum and bronchoalveolar lavage fluid (BALF) and investigate ... [more ▼]

OBJECTIVE: To validate a radioimmunoassay for measurement of procollagen type III amino terminal propeptide (PIIINP) concentrations in canine serum and bronchoalveolar lavage fluid (BALF) and investigate the effects of physiologic and pathologic conditions on PIIINP concentrations. SAMPLE POPULATION: Sera from healthy adult (n = 70) and growing dogs (20) and dogs with chronic renal failure (CRF; 10), cardiomyopathy (CMP; 12), or degenerative valve disease (DVD; 26); and sera and BALF from dogs with chronic bronchopneumopathy (CBP; 15) and healthy control dogs (10 growing and 9 adult dogs). PROCEDURE: A radioimmunoassay was validated, and a reference range for serum PIIINP (S-PIIINP) concentration was established. Effects of growth, age, sex, weight, CRF, and heart failure on S-PIIINP concentration were analyzed. In CBP-affected dogs, S-PIIINP and BALF-PIIINP concentrations were evaluated. RESULTS: The radioimmunoassay had good sensitivity, linearity, precision, and reproducibility and reasonable accuracy for measurement of S-PIIINP and BALF-PIIINP concentrations. The S-PIIINP concentration reference range in adult dogs was 8.86 to 11.48 mug/L. Serum PIIINP concentration correlated with weight and age. Growing dogs had significantly higher S-PIIINP concentrations than adults, but concentrations in CRF-, CMP-, DVD-, or CBP-affected dogs were not significantly different from control values. Mean BALF-PIIINP concentration was significantly higher in CBP-affected dogs than in healthy adults. CONCLUSIONS AND CLINICAL RELEVANCE: In dogs, renal or cardiac disease or CBP did not significantly affect S-PIIINP concentration; dogs with CBP had high BALF-PIIINP concentrations. Data suggest that the use of PIIINP as a marker of pathologic fibrosis might be limited in growing dogs. [less ▲]

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See detailProcollagen type-III aminoterminal peptide in serum and bronchoalveolar lavage fluid in dogs with chronic bronchopneumopathies – preliminary results
Schuller, S.; Talavera, J.; Jespers, P. et al

in 15th ESVIM Meeting - Glasgow - Ecosse - Septembre 2005 (2005, September)

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See detailAnalytical, physiological and clinical validation of a radioimmunoassay for serum Procollagen Type-III aminoterminal peptide in the dog
Schuller, S.; Valentin, S.; Remy, B. et al

in 14th ESVIM Meeting - Barcelona - Espagne (2004, June)

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