In this study the investigators hypothesized that preoperative pregabalin tablet (150 mg orally ) may be effective in reducing intraoperative isoflurane requirements needed to maintain intraoperative hemodynamics within ± 20% of baseline measurement and/or attenuates hemodynamic response to endotracheal intubation in female patients ASA I or II , aged 18-60 years, schedule for elective abdominal hysterectomy surgery under general anesthesia.
In this study the investigators hypothesized that preoperative pregabalin tablet (150 mg orally ) would be effective in reducing intraoperative isoflurane requirement needed to maintain intraoperative hemodynamics within ± 20% of baseline measurement and/or attenuates hemodynamic response to endotracheal intubation in female patients ASA I or II schedule for elective abdominal hysterectomy surgery under general anaesthesia. The investigators aim to compare the efficacy of preoperative oral pregabalin versus placebo in reducing intraoperative isoflurane requirements needed to maintain intraoperative hemodynamic stability (Blood pressure and heart rate within ± 20% of baseline measurements) in female patients ASA I/II undergoing elective abdominal hysterectomy surgery under general anaesthesia.
Study Type
INTERVENTIONAL
Allocation
RANDOMIZED
Purpose
HEALTH_SERVICES_RESEARCH
Masking
DOUBLE
Enrollment
50
Pregabalin capsule 150 mg oral
Placebo
Cairo University
Cairo, Zamalek, Egypt
Inhalational anaesthetic drug requirements
Inhalational anaesthetic requirements to maintain hemodynamic stability (± 20% of the baseline) using MAQUET Flow-I anesthetic machine.
Time frame: an average of 3 hours after induction
pressor response attenuation
Degree of pressor response attenuation
Time frame: an average of 10 minutes after induction
First time for analgesics requirement
First time for analgesics requirement.
Time frame: postoperative (maximum 6 hours after the end of operation)
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