Lege Artis Medicinae

[Home management of chronic obstructive pulmonary disease]


MARCH 01, 2000

Lege Artis Medicinae - 2000;10(03)

[Cessation of smoking is the primary condition for the successful management of COPD. The aim of pharmacotherapy is to diminish symptoms (dyspnoe, cough and expectoration) to increase cardiorespiratory performance and to improve the quality of life. Pharmacotherapy is based upon administration of bronchodilators (anticholinergic and beta-agonist preparations as well as theo phyllin). In the case of acute exacerbation anti- biotic treatment is indicated. Effectiveness of inhalative corticosteroids is not established well yet, whereas the oral and parenteral administration of corticosteroids is limited by severe side effects. In the advanced stage of disease long term oxygen therapy can increase survival and improve the quality of life. Respiratory rehabilitation is an essential component in the management, it facilitates expectoration and corrects respiratory technique, increases muscular force and performance, improves quality of life. Active cooperation of patients is necessary for the successful management of the desease; the patient should be informed on the particulars of the disease and on the required contribution.]


  1. Levelező Szerző/correspondent
  2. Országos Korányi Tbc és Pulmonológiai Intézet



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[Ischemic heart disease accounts for about 70% of chronic systolic heart failure and severe systolic left ventricular dysfunction. Prognosis of ischemic heart failure is worse than that of non-ischemic heart failure and can only be moderately improved with optimal drug treatment. Further improvement may be expected from revascularization in the presence of reversible left ventricular dysfunction which is called myocardial viability. Viability associated with chronic left ventricular dysfunction is caused by hibernation. Low dose dobutamine stress echocardiography is the best imaging modality to predict the improvement of left ventricular function after revascularization. Myocardial contrast echocardiography can further improve the diagnostic value of dobutamine echocardiography. The disadvantage of nuclear imaging methods for the diagnosis of viability is their low specificity. Revascularization surgery improves left ventricular function and survival when the amount of viable myocardium is adequate. However, the non-revascularized viable myocardium is an unstable condition which can effect the prognosis adversely. Although there are no randomized studies, coronary bypass surgery is considered indicated for severe left ventricular dysfunction if the viability of the myocardium and the operability of the coronary arteries are estabilished, even in the absence of angina. To establish these criteria for revascularization imaging studies (preferably low dose dobu tamine stress echocardiography) and coronary angiography are required. ]

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[ Imipenem and meropenem the two currently available carbapenems inhibit the synthesis of the cell wall similarly to other bactericidal B-lactam antimicrobials. These agents have excellent activity against the vast majority of aerobic and anaerobic Gram-positive and Gram-negative organisms. In addition to other B-lactam resistant microbes (e.g. Chlamydia, Mycoplasma) only Stenotrophomonas maltophilia and Enterococcus faecium bacteria are naturally resistant to carbapenems. Carbapenems are extremely stable compounds against nearly all types of B-lactamases: from the penicillinase of Staphylococcus to Class A and Class B types of B-lactamase enzymes of Gram-negative bacteria. Secondary resistance against carbapenems was described in case of the following bacteria: penicilline resistant S. pneumoniae, methicilline resistant Staphylococcus aureus, Pseudomonas aeruginosa, Enterobacter cloaceae, less frequently Enterobacter aerogenes, Serratia mercescens, Klebsiella pneumoniae and Acinetobacter baumannii. The pharmacokinetic profile of imipenem and meropenem are very similar. Carbapenems are valuable as empirical monotherapy due to their broad spectrum of antimicrobial activity and ß lactamase stability in the treatment of severe nosocomial infections, lower respiratory tract or intraabdominal infections and febrile neutropenia. The use of imipenem in central nervous system infection is not approved due to the high incidence of seizures. ]

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[Chromosomal mosaicism is defined as the presence of two or more cell lines having different chromosomal complements in the same individual. In the conceptus the extent of the mosaicism depends on the timing of chromosomal mutation occurance, the cell lineage affected, and the viability of the mutation. The resultant mosaicism can be either generalized, confined placental or confined embryonic. The process of the loss or removal of one of the three chromosomes from the trisomic conception, at least from the cells that will form the proper fetus is known as trisomic zygote rescue. As the result of this phenomenon, the embryo/fetus becomes disomic, while the placental compartment remains trisomic or mosaic. After losing a chromosome, the remaining pair might originate from the same parent. The presence of two chromosomes from one parent in a disomic cell line is termed uniparental disomy. Uniparental disomy is one form of aberrant origin for disomic cells, and the term „pseudodisomy" is also used. Uniparental disomy can involve homozygosity for the chromosome, and the term ,,isodisomy" has been suggested for this phenomenon. If the homozigosity for the chromosome is not complete, the term „heterodisomy" is used. Depending on the pathologic chromosome, the clinical consequences of the confined placental mosaicism and uniparental disomy can be intrauterine and/or postnatal growth restriction, spontaneous abortion. Increased perinatal morbidity and mortality, minor congenital malformations can result from the phenomena. Confined placental mosaicism and uniparental disomy are well known in syndromatology too. The connections of mosaic trisomy 7 and Silver-Russell syndrome, mosaic trisomy 15 and Angelman syndrome, mosaic trisomy 15 and Prader-Villi syndrome are described. Due to the presence of aneuploid cells in the placenta, confined placental mosaicism may cause placental dysfunction, hydropic degeneration of the placenta or „unexplained" highly increased serum hCG level. ]

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