CONTROLLED MYORELAXATION IN PATIENTS WITH ALDOSTEROMA
Nejmark M.I. 1, Bulganin A.A. 2
1Altai State Medical University, 656038, Barnaul, Russia; 2Non-state healthcare institution Railway hospital
at station Barnaul JSC "RZhD", 656038, Barnaul, Russia
Purpose of the study was to develop techniques of controlled myorelaxation during surgeries in patients with
aldosteroma. 46 patients were involved in the study. Adrenalectomy was performed by videoendoscopy from
retroperitoneal access. All patients were operated under general anaesthesia with sevoflurane with obligate
monitoring of neuromuscular conduction (NMC). Patients were divided into 4 groups. Myorelaxation in
patients of the group 1 (n=14) was performed by continuous infusion of 0.4 mg/kg/hr rocuronium bromide
(esmeron). Myorelaxation in patients of groups 2 (n=11), 3 (n=11) and 4 (n=10) was performed by bolus
administration of 0.15 mg/kg/hr esmeron. Patients of groups 1 and 2 were not decurarized. Decurarization in
the group 3 was performed by proserin and in the group 4 by sugammadex. In patients of the group 1
esmeron consumption was minimal due to continuous infusion of the drug. Time of neuromuscular blockade
recovery (TOF 0.9) was longer than 19 min. Worst data of neuromuscular blockade recovery accrued in the
group 2. In patients of the group 3 time of neuromuscular blockade recovery (TOF 0.9) reduced 2.5-3 times
in comparison with groups 1 and 2. The use of sugammadex in the group 4 provided almost 4.7 times faster
neuromuscular blockade recovery than proserin administration. Controlled myorelaxation in patients with
aldosteroma is possible when monitoring of neuromuscular conduction is provided. Infusion administration of
esmeron provides decreasing of its consumption and high quality of myorelaxation. Sugammadex
administration provides 4.7 times faster neuromuscular blockade recovery (TOF 0.9) than proserin
administration without risk of neuromuscular block reverse.
Key words: adrenal tumors, aldosteroma, anaesthesia, sugammadex, .-cyclodextrin, controlled
myorelaxation, rocuronium bromide, neuromuscular depolarizing drugs
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