Influence of magnesium on the state of the cardiovascular system in children with chronic tonsilitis.

OBJECTIVE: The aim of the study was to evaluate the condition of the cardiovascular system and the effect of the combined preparation of magnesium and vitamin B6 in children with secondary cardiomyopathy on the background of chronic tonsillitis. PATIENTS AND METHODS: Materials and methods: 100 children at the aged of 13-17 years were surveyed, including 60 patients with secondary cardiomyopathy with chronic tonsillitis. And the group I consisted of 45 children receiving standard treatment, group II - 15 patients who, along with standard treatment, received the drug magnesium. The control group consisted of 40 healthy children. To assess the condition of the cardiovascular system and vegetative regulation, we performed electrocardiographic examination (ECG), exercise test and ECG control, cardiointervalography with clinoortostatic test. The concentration of magnesium in the serum was determined by atomic absorption spectrophotometry. Also, we have provided the requirements of the principles of bioethics and drafted a protocol in accordance with the basic principles of the Helsinki Declaration. RESULTS: Results: In addition to the standard treatment of children with magnesium drug, there was a significant decrease in the frequency of sinus arrhythmias, disorders of the intraventricular conduction, and the processes of repolarization, extrasystole, sinus suchchardia were not observed in any of the patients. The normalization of magnesium in the serum of patients was observed. CONCLUSION: Conclusions: Supplementation of combination therapy with magnesium and B6 helped to improve myocardial electrophysiology and cardiac output, as well as to normalize the serum magnesium in children with secondary cardiomyopathy.

Crystallographic investigation of urine in newborn with renal disturbance due to asphyxia.

OBJECTIVE: The aim is to increase the efficiency of diagnosis of renal injury in neonates with asphyxia by identifying of structural markers according to research facies of urine in newborns of different gestational ages. PATIENTS AND METHODS: Materials and methods: The study involved 150 full-term with signs of kidney damage due to asphyxia: 75 babies with severe asphyxia, and 75 children with moderate asphyxia and 100 preterm infants: 50 children with severe asphyxia and 50 children with moderate. Comparison groups: group 1 consisted of 20 full-term infants, group 2 which included 20 preterm neonates. Material for the study - morning portion of urine, which was collected at 8-10 a.m. on 1-2 and 7-8 days of life. RESULTS: Results: morphological picture of facies of newborns with asphyxia depends on the severity of pathological changes in the urine (proteinuria) and urine output. Structure of facies in babies with renal distorbance due to severe asphyxia indicates a significant loss of organic and mineral substances in the urine. The width of the peripheral zone facies, the amount of solid particles transferred depends on the severity of asphyxia, the difference in morphology facies is maintained even at the end of the early neonatal period. CONCLUSION: Conclusions: Analysis of dried drops of urine in infants with renal impairment on the background of asphyxia can be used as one of the criteria for assessing kidney function and have prognostic value.

Peculiarities of antibiotic-associated diarrhea development in children with acute respiratory infections.

OBJECTIVE: Introduction: Acute respiratory infections (ARI) are the main cause of morbidity in most countries. The probability of complications and age determine antibiotics administration. Antibiotic associated diarrhea (AAD) is one of the side effects of antibiotics. The aim: The study of the prevalence rate of AAD and the characteristics of its development in children with ARI. PATIENTS AND METHODS: Materials and methods: The study included 75 children aged from 1 to 12 y diagnosed with ARI, who were treated with age-specific doses of antibiotics. The influence of children's anamnesis, parents' health on the development of AAD was studied with odds ratio calculation (OR). RESULTS: Results: In general, AAD incidence was 52%. The highest frequency 59.3% was observed in children under 3 y. AAD most often developed in children treated with amoxicillin - 92%. The greatest dependence of AAD development was connected with breastfeeding less than 6 months - OR was 7.65, preterm birth - 2.9, functional GIT disorders in anamnesis - up to 3.14, allergy - 2.33. The risk of AAD development increased with the age of parents more than 35 y - 5.03, at the age of parents less than 18 and older than 35 y - 4.09, parents' allergies - 3.74 and parents smoking - 2.43. CONCLUSION: Conclusions: The most important factors of AAD development on antibiotics therapy in children with ARI are breastfeeding less than 6 months, functional GIT disorders and allergic conditions in anamnesis. Suboptimal age and parents' health (GIT disorders, allergic conditions and unhealthy habits) also increase the risk of AAD development.

Laboratory criteria of perinatal damage of central nervous system at premature newborns

Introduction: Fetal and neonatal hypoxia takes a special place among the damaging factors of central nervous system (CNS). All forms of oxygen deficiency are accompanied by the development of bioenergetic hypoxia, which leads to tension of metabolic processes of the organism. Metabolic effect of hypoxia includes stark reduce of mitochondrial activity due to a significant inhibition enzymes of the Krebs cycle: succinate dehydrogenase (SDH) and lactate dehydrogenase (LDH). In newborn babies is not always possible to objectively assess the condition of the CNS defeat, because very often the severity of lesions does not correspond to clinical symptoms, especially in premature newborns. So far determination the severity of hypoxic-ischemic CNS lesions is still very actual in modern medicine. More objective method of such an assessment is determine the activity of neurospecific enolase (NSE). The aim of the paper is to increase the efficiency of diagnosis of hypoxic CNS lesions in premature infants by determining the activity of NSE and study energy supply during the neonatal period. Material and methods: The concentration of NSE, SDH and LDH were determined in 15 conventionally healthy preterm infants (CHPI), which made the comparison group, and 64 premature babies with hypoxic-ischemic CNS lesions, which were divided into three groups: I group ­ 26 premature children with mild CNS lesions; II group ­ 20 premature children with severe hypoxic lesions and low birth weight; III group ­ 18 premature newborns with severe damage of central nervous system and extremely low birth weight. NSE activity was determined by enzyme immunoassay using reagents of the company «Fujirebio¼ (Sweden) on an automatic analyzer «Multiscan Plus¼ company «Labsystems¼ (Finland). Material for investigation was peripheral venous blood of newborns, which collected by vein punction at morning on an empty stomach. Results and conclusions: Metabolic effect of hypoxia in premature infants manifested by severe inhibition of mitochondrial respiratory activity, which appears in the reduction of aerobic enzyme activity of SDH and activation serum LDH. During the neonatal period in infants with perinatal hypoxic- ischemic lesions of the CNS levels of the of NSE, SDH and LDG aren't normalized, that indicated on energy deficiency and requires the development of effective methods of correcting this condition. Perinatal hypoxia in premature neonates causes significant alteration of neuronal membranes and increase concentration in blood such neurospecific protein as NSE, whose concentration correlates with the degree of severity of CNS injury.