The aim of this investigation was to compare inhaled budesonide vs oral prednisone in the maintenance phase treatment of pulmonary sarcoidosis. Double-blind controlled study was performed in 40 patients with stage II or III pulmonary sarcoidosis. After initial systemic 6 weeks treatment with prednisone (40 reduced to 20 mg daily) patients were allocated either to systematically (P) or topically (B) treated group. P patients continued with 10 mg prednisone daily, B patients were given inhaled budesonide 1.6 mg daily. The progress of treatment was assessed by serial radiography, spirometry, serum ACE activity and plasma cortisol levels. All patients completed the 12 months treatment. Using a numerical score to assess changes on the chest radiograms P patients improved by 1.7 +/- 0.66 points; B patients improved by 1.15 +/- 0.81 points. Spirometric changes were insignificant. Serum ACE fell from 107 +/- 51 U/L in the P group and 92 +/- 40 U/L in the B group to 46 +/- 11 U/L and 38 +/- 21 U/L respectively during the initial phase of treatment. In the maintenance phase ACE levels remained lower than initial ones in both groups. Morning cortisol plasma levels studied in 10 patients (5 in each group) decreased significantly during the initial phase. Thereafter cortisol levels remained low in the P patients returning to the lower limit of normal values in the B patients. We conclude that inhaled budesonide may be a safe and effective alternative to oral steroids in the maintenance treatment of pulmonary sarcoidosis especially in the early, stage II, disease.
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Bioelectrochemistry
August 2024
GENOCOV, Departament d'Enginyeria Química, Biològica i Ambiental, Escola d'Enginyeria, Universitat Autònoma de Barcelona, 08193 Bellaterra (Cerdanyola del Vallès), Barcelona, Spain.
Microbial electrolysis cells (MEC) have been identified as an energy efficient system for ammonium recovery from wastewater. However, high ammonium concentrations at the anode can have inhibitory effects. This work aims to determine the effects on current generation performance and active ammonia nitrogen recovery in wastewater containing 0.
View Article and Find Full Text PDFAnn Intern Med
April 2023
Division of Hematology, Department of Medicine, Duke University School of Medicine, Durham, North Carolina (T.L.O.).
IEEE Trans Ultrason Ferroelectr Freq Control
August 2020
Barium titanate (BaTiO) is increasingly studied to replace lead-based piezoelectric materials, such as those which belong to the lead zirconate titanate (PZT) family, due to lead toxicity. In many applications, such as Tonpilz transducers, piezoelectric materials undergo mechanical stress simulation of which is important to control and predict electroacoustic effects. Thus, this article deals with a fully tensorial model that allows to simulate the behaviors of electrical displacements and elastic strains under mechanical stress.
View Article and Find Full Text PDFIEEE Trans Ultrason Ferroelectr Freq Control
February 2020
Barium titanate (BaTiO) is being studied extensively to replace lead-based piezoelectric materials, such as the lead zirconate titanate (PZT) family, due to lead toxicity. As a result, researchers are turning to materials such as BaTiO and seek to improve their properties with the use of dopants. In many applications such as Tonpilz transducers, piezoelectric materials undergo mechanical stress which is important to control and predict their electro-acoustic performance.
View Article and Find Full Text PDFIEEE Trans Ultrason Ferroelectr Freq Control
January 2019
Dense barium titanate (BaTiO) ceramics ( [Formula: see text]) with a microscale grain size are obtained at 800 °C-1100 °C by a solid-state ceramic process. BaTiO (BT) doped with Co leads to a significant improvement in the properties ( pC/N). Soft and hard characteristics of the piezoceramics are observed depending on the dopant ions.
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