Gender is an important factor affecting the risk of drug-induced adverse reactions in patients. According to scientific literature, the risk of drug-induced symptoms, syndromes, and diseases is 1.5–1.7 times higher in women than in men. The aim of the study was to analyse and systematise data on the factors responsible for increased risk of drug-induced diseases in women. It was demonstrated that the increased risk of complications in women following the use of certain pharmacological classes of drugs is associated with a combination of factors that affect pharmacokinetics and pharmacodynamics. These factors include anatomical and physiological characteristics, specificity of enzyme and transport protein activity/expression. Women, compared to men, have higher percentage of adipose tissue and lower percentage of water in the body, which affects the volume of distribution of lipophilic agents, such as opioids and benzodiazepines, resulting in their accumulation in the body. Women have a lower rate of renal excretion and elimination, as compared to men, which may lead to adverse reactions following the use of medicines with predominantly urinary excretion. Changes in the endocrine profile in women taking sex steroids as replacement therapy or a contraceptive measure, as well as fluctuations in endogenous sex steroids during the menstrual cycle, pregnancy, perimenopause, influence the volume of distribution, the activity of cytochrome P450 enzymes, and the glomerular filtration rate, and, thus, may affect the pharmacokinetics and pharmacodynamics of other medicinal products, which, in turn, affect the safety of pharmacotherapy. In order to increase the safety of pharmacotherapy in women, it is necessary to consider the revealed specific pharmacokinetic and pharmacodynamic parameters of the medicine in a given group of patients when selecting the treatment regimen, including the dosage regimen and routes of administration.
Administration of a rational and safe drug therapy is one of the most challenging issues for healthcare professionals. The frequency of hospitalizations due to the adverse drug reactions in the years 2000 — 2015 was estimated at 6.3 (3.3—11.0 %) for developed countries and 5.5 % (1.1—16.9 %) for developing countries. It is known that alcohol intake is a risk factor for many socially significant diseases, including arterial hypertension, coronary heart disease, chronic heart failure, etc., however, many doctors pay insufficient attention to the fact that many drugs, for example, beta-blockers, antidepressants, bezodisepines, calcium antagonists, can interact with alcohol when consumed simultaneously and, thus, increase the risks of adverse drug reactions. There are 2 main types of interactions between alcohol and drugs: pharmacokinetic (at the stage of absorption, distribution, metabolism and elimination) and pharmacodynamic (at the stage of effects and receptors). For example: the simultaneous intake of alcohol and paracetamol leads to the formation of toxic metabolites due to the induction of cytochrome P450 isoenzymes by alcohol. Another example is decrease in presystemic elimination and stimulation of the metabolism of tricyclic antidepressants; an increase in the elimination of imipramine and desipramine in patients with chronic alcoholism after detoxification therapy, and so on. In this article, the authors analyzed and systematized data from open literature sources in order to inform health care professionals about the possible risks associated with the interaction of alcohol and drugs and various pharmacological groups.
Asthenic syndrome is a non‑specific syndrome that is often found in general medical practice in patients with various somatic pathologies both during an exacerbation of a chronic disease, and after an acute process. The leading symptoms in the clinic of asthenia are pathological weakness and fatigue. According to various researchers, they are found in 15–45 % of people. To date, there is no universally accepted definition and clear classification of this syndrome. The main pathogenetic concepts are the psychosocial, infectious‑immune theory of asthenia. The development of asthenic syndrome in patients with somatic pathology may be associated with the depletion of the functional capabilities of the nervous system due to disturbances in the blood supply to the brain, auto‑toxicity or exposure to exogenous toxic factors in bacterial, viral infections. There is no specific treatment for this condition. This article presents two clinical cases of the development of post‑infection asthenic syndrome in a 47‑year‑old patient against community‑acquired pneumonia and in a 36‑year‑old patient after an acute respiratory‑viral infection of moderate severity. In both cases, drug treatment with Mildronate was carried out with a positive trend in the form of regression of asthenia symptoms, side effects during treatment. Mildronate belongs to the class of cytoprotectors – antihypoxants, activates glycolysis and prevents impaired transport of adenosine triphosphate, providing a sufficient level of energy synthesis, which allows cells to maintain homeostasis and morphological integrity. The immunoadjuvant properties of Mildronate are very important in post‑infectious asthenic syndrome, since a violation of the immune response plays a central role in its pathogenesis. The immunoadjuvant properties of Mildronate have been discovered in a number of studies.
Arterial hypertension (AH) remains one of the most significant medical and social problems in the world, its prevalence among the adult population is 30–45%. Along with this, the modern population is characterized by a high incidence of chronic kidney disease (CKD), including due to their secondary damage in the framework of hypertension. In turn, CKD is an important independent risk factor for the development and progression of cardiovascular diseases, including fatal ones. The use of existing approaches to nephroprotection in the treatment of patients with hypertension will significantly improve the prognosis both in patients with risk factors for developing renal dysfunction and in patients with pre-existing kidney disease. According to current recommendations for hypertension in such clinical situations, therapy should begin with fixed combinations of antihypertensive drugs. The combination of an angiotensin converting enzyme inhibitor (ACE) and a dihydropyridine calcium channel blocker (CCВ) demonstrated the greatest effectiveness according to evidence-based medicine in patients with high-risk hypertension, including from the standpoint of nephroprotection. In the presented clinical case, the successful use of a fixed combination of ACE and CCВ in a patient with hypertension and microalbuminuria is described.
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