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Biomedical subjects

E Czekuć

Publications and source records attributed to E Czekuć.

6 recordsLinked to original sources
PubMed1983

[Continuous positive pressure respiration by nasal route (n-CPAP) as a preferred treatment method in various types of acute respiratory insufficiency in newborn infants].

The process of adaptation for extrauterine life can be easily disturbed by respiratory insufficiency. The surfactant deficiency as well as anatomical and physiological immaturity of a newborn can be considered as etiological factors in some diseases, such as respiratory distress syndrome (RDS), transient tachypnoea (TT) syndrome, segmental atelectasis or pneumonia complicated by atelectasis. The widespread used method of treatment is based on mechanical increase of difference between alveolar and atmospheric pressure. So-called constant distending pressure (CDP) increases functional residual capacity (FRC), keeps alveoli open and finally increases oxygenation of arterial blood. During 3 years period continuous positive airway pressure by nasal route (n-CPAP) was used as only one method in 26 newborns. The newborns were treated because of RDS (15 cases) and pneumonia with atelectasis (11 cases). n-CPAP was starting with pressure 8 cm H2O (0.8 kPa) and FIO2 0.5, if atelectasis with severe dyspnea, hypoxia and forced hyperventilation were found. This method was very well tolerated. 22 newborns treated for 2-7 days--survived, 4 small-for-date babies--died. The most common cause of death was septicaemia complicated by disseminated intravascular coagulation. The moderate hyperbilirubinemia, oliguria with tissue oedema was observed in many cases. The light nostril decubitus were only complications. No pneumothorax was detected. We found n-CPAP as a simple, safe method in treatment of atelectasis in newborns.

Acute Disease↗
PubMed1979

[Naloxone as a drug for improving anesthesia results in children].

In anaesthesiology of today, due to the increased use of strong analgetics, it is necessary to have an effective antagonist for mini- mizing the danger of respiratory depression in postoperative period. Naloxone, ( Narcan , R-Endo Laboratories Inc., Subsidiary of E. J. du Pont de Nemours and Co., (Inc.), USA), a new narcotic antagonist was investigated in this study. It has been applied to 58 patients in cases of respiratory depression at the end of anaesthesia in which fentanyl was given, (these cases constituted 14% of all anaesthesias). Fentanyl was given intravenously in fractional doses, (fig 1), during NLA, and other general anaesthesias, for operation and diagnostic examination ( exeption of cardiosurgery), in children and adolescents from two month-to nineteen years of age, (tab. 1.). Naloxone was given intravenously, in fractional doses from 1 microgram to 5 micrograms/kg body weight. As a criterium of an antidepressive effect of Naloxone--in addition to clinical evaluation, blood gases analyses and continuous capnographic recording has been accepted. In all 58 cases diminition of respiratory depression was observed 2-3 min. after injected each dose of Naloxone. Respiratory rate increased from 15 to 22/min. concentration of CO2 in expired gases decreased from 5-6% to 4,5%, (fig. 2 and 3), and regain of consciousness, and return of intensive reaction to endotracheal tube stimulation was observed. Naloxone produced neither changes in the cardiovascular system, nor side effects. Based on these results Naloxone has been suggested as an effective narcotic antagonist. It increase of the possibility of applying strong analgetics in children--allowing to keep a steady level of anaesthesia with easy elimination respiratory depression in the desired period of time.

Adolescent↗
PubMed1979

[General anesthesia in infants].

It is generally accepted, that the progress in surgical treatment of congenital malformation is closely related to the progress in highly-specialised methods of newborn anaesthesia. The safe methods of anaesthesia have to be adapted to anatomical and physiological peculiarities of the earliest days of life as well as to different reaction to drugs and anaesthetics. The preoperative preparation in newborns used to be often very short, because most of the problems of the neonatal period are emergency surgical interventions and there is no time for treatment even of the serious disturbances of basic physiological functions. The purpose of this study was to estimate methods of general anaesthesia in newborns, which have been introduced in the Anaesthesiology Department of the National Research Institute of Mother and Child. The main element of these methods was general anaesthesia with muscle relaxants and controlled ventilation as a routine. The estimation was based on general analysis of 10 years practice when these methods of anaesthesia were used. During this time 515 anaesthesias to 408 both-sex newborns were given (Tab. I, Fig. 1). 85% of anaesthetized newborns were operated because of congenital malformations (Tab. I); 46% of operations were performed during their first week of life, 21% were operated in first 24 hours of life, mostly as an emergency (Fig. 3). 10% of operations were performed is prematures (body weight below 2500 g) (Fig. 4). The "routine" anaesthesia was given in 82% cases. Awake intubation in unpremedicated newborns was performed. Anaesthesia was maintained with nitrous oxide-oxygen mixture (1:1 or 2:1). D-tubocurarine in 95% of cases was used. The initial dose 0,5 with matures and 0,25 mg with premature babies was used. If necessary supplementary doses were given. During anaesthesia, intermittent positive pressure ventilation (IPPV) with frequency at least 60/min. was used. During this ventilation, hyperventilation and positive end-expiratory pressure (PEEP) were obtained. Precordial stetoscope and thermometer probe was used as a routine. In some special cases eCG, end-expired CO2 (capnography), pletysmography were also recorded; blood gas analyses were checked. All intra- and postoperative complications as well as postoperative mortality have been analysed in details. During 3,3% of operations some complications had been observed. The total incidence of early psotoeprative complications was 20%. In this group the most frequent were respiratory complications (16,1%). Serious disturbances in pulmonary gas exchange during operation and early postoperative period were not found.(ABSTRACT TRUNCATED AT 400 WORDS)

Anesthesia, General↗