Jessica Brueckner

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Ornipressin (OR), a synthetic derivative of natural vasopressin, is widely used in combination with local anaesthetics in order to reduce surgical bleeding and systemic absorption of the local anaesthetic. As shown previously in experimental studies, OR causes severe coronary vasoconstriction. The myocardial oxygen balance is compromised by an increase in(More)
Ornipressin (POR 8), referred to below as OR, is a synthetic derivative of natural vasopressin. It was introduced into clinical practice to replace epinephrine as a local vasoconstrictor because OR was presumed to produce fewer undesirable side-effects. However, mayor cardiovascular complications following local infiltration of OR have been reported in(More)
Since cardiovascular depression at induction is among the most common complications of anesthesia this comparative study was undertaken. Unpremedicated dogs (n = 16) were induced with 3 mg/kg piritramide i.v. and normoventilated (N2O/O2 = 2/1). In 8 animals 0.8 and 1.6 mg/kg Etomidate and 5.0 and 10.0 mg/kg thiopentone and in 8 further dogs 5.0 and 10.0(More)
The effects of clinical doses of dobutamine (5 microgram/kg x min) and norepinephrine (0.2 microgram/kg x min) on systemic haemodynamics and coronary circulation were studied during normal pH and during metabolic acidosis (pH 7.0) induced by hydrochloric acid in 9 anaesthetized closed chest dogs. Metabolic acidosis per se failed to show any significant(More)
BACKGROUND AND OBJECTIVE Hitherto, neither desflurane nor sevoflurane, with similar physicochemical properties, have been compared with regard to their effects on the central nervous system. We compared the effects of desflurane and sevoflurane on electrical cortical activity and sensory transmission at two anaesthetic concentrations in patients undergoing(More)
Application of high-silica zeolites in a special adsorber allows complete selective adsorption of the inhalation anaesthetic desflurane from the outlet port of the scavenging system of the anaesthesia machine. In comparison with charcoal filters, zeolites allow almost complete desorption at moderate temperatures followed by condensation of the desflurane to(More)
A new noninvasive cardiac output (CO) computer ("NCCOM 3") based on the bioimpedance principle was compared to a CO computer based on standard thermodilution measurements. Simultaneous measurements were made on dogs who were ventilated with or without positive end expiratory pressure (PEEP). There was no correlation of cardiac output measurements with the(More)
The acute effects of althesin, etomidate and fentanyl upon haemodynamics, myocardial contractility and oxygen comsumption of the heart were studied in healthy premedicated patients (n = 15) lightly anaesthetized with N2O-O2 (ratio 2:1), 0.3 volumes per cent of halothane and isoflurane respectively. All individuals were ventilated at a normal level. The(More)
The addition of marginally effective concentrations of d-tubocurarine (d-Tc), neomycin, or polymyxin B to the organ bath of rat phrenic nerve-hemidiaphragm preparations significantly (p < 0.05 to 0.001) increased the neuromuscular (NM) blocking effect of lidocaine. When both d-Tc and neomycin or polymyxin B were added the increase of the NM effect of(More)