Deliberate hypotension for spine surgery in prone position
DOI:
https://doi.org/10.15587/2313-8416.2015.38140Keywords:
spinal surgery, deliberate hypotension, urapidil, general anesthesia, hemodynamics, prone positionAbstract
Background. Deliberate hypotension during spinal surgery aims to reduce intraoperative bleeding, thus providing better surgical visualization and less requirements for transfusion. A lot of methods of controlled hypotension are used nowadays. Each of them has advantages and disadvantages.
The aim of study was to examine safety and efficacy of hypotensive drug urapidil for providing deliberate hypotension for spinal surgery in prone position.
Material and methods. Eighty patients were elected and divided into 2 groups. Patients of the 1st group (n=43) received urapidil for controlled hypotension intraoperatively and patients of the 2nd group did not receive hypotensive drugs intraoperatively. Hemodynamics, time of surgery and restoration of consciousness after general anesthesia (Bidway test 20 min after anesthesia).
Results. Patients in urapidil group had reduction of blood pressure to desirable level without any critical drops of hemodynamics comparing to the patients of 2nd group (p<0,05) whose blood pressure did not change significantly during surgery. Controlled hypotension allowed to reduce the surgery time comparing to patients without hypotension (p<0,05). Awaking time (Bidway test) did not differ significantly between groups. No anesthesia complications were found during examination.
Conclusion. Deliberate hypotension with urapidil is safe and effective during spinal surgery in prone position as it allows to provide good surgical visualization without adverse effects
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