OUTCOMES |
Type of outcome
|
Outcome
|
Timepoint(s) at which outcome measured
|
Primary Outcome |
Incidence of post-dural puncture headache |
Two times daily for five days after intrathecal block. |
Secondary Outcome |
Age in years |
6 hours before intervention |
Secondary Outcome |
Weight in kilograms (kg) |
6 hours before intervention |
Secondary Outcome |
Height in meters (m) |
6 hours before intervention |
Secondary Outcome |
Body mass index in kilograms per meter square |
6 hours before intervention |
Secondary Outcome |
Duration of surgical procedure in minutes |
Just after completion of surgery |
Secondary Outcome |
The number of intrathecal block attempts. |
Just after completion of succssecefull intrathecal block. |
Secondary Outcome |
Post-dural puncture headache (PDPH) severity assessment by Visual Analog Score(VAS). AS 0 = no headache, and 10 = worst
imaginable headache. |
At presentation and then two times daily for 48 hours after post dural puncture headache onset. |
Secondary Outcome |
Neck stiffness incidence. |
For 48 hours after headache onset. |
Secondary Outcome |
Percent of participants in need of an epidural blood patch with severe Intractable headache (VAS ≥ 4) and the headache is persistent for more than 48 hours with no response to conservative measures. |
Within 7 days after presentation. |
Secondary Outcome |
The onset of post-dural puncture headache. |
Within five days of intrathecal block and at presentation of the participant, |
Secondary Outcome |
Incidence of intraoperative nausea. |
After intrathecal block till completion of the surgical procedure. |
Secondary Outcome |
Incidence of intraoperative vomiting. |
After intrathecal block till completion of the surgical procedure. |
Secondary Outcome |
Incidence of postoperative nausea.
|
Within two hours after completion of surgical procedure. |
Secondary Outcome |
Incidence of postoperative vomiting. |
Within two hours after completion of surgical procedure. |
Secondary Outcome |
Urine retention incidence. |
Within 24 hours of intrathecal block. |
Secondary Outcome |
Memory and cognitive disorders incidence. |
Within 24 hours of intrathecal block. |
Secondary Outcome |
Intraoperative hypotension incidence |
After intrathecal block till completion of the surgical procedure. |
Secondary Outcome |
Intraoperative ephedrine dose requirements in milligrams. |
After intrathecal block till completion of the surgical procedure. |
Secondary Outcome |
Intraoperative incidence of desaturation. |
After intrathecal block till completion of the surgical procedure. |
Secondary Outcome |
Intraoperative incidence of respiratory depression.
|
After intrathecal block till completion of the surgical procedure. |
Secondary Outcome |
Intraoperative incidence of bradycardia. |
After intrathecal block till completion of the surgical procedure. |
Secondary Outcome |
Intraoperative atropine dose requirements in milligrams.
|
After intrathecal block till completion of the surgical procedure. |
Secondary Outcome |
Intraoperative incidence of shivering. |
After intrathecal block till completion of the surgical procedure. |
Secondary Outcome |
Time to the first requirements of analgesics in minutes. |
after intrathecal block till participant need for surgical pain relieve. |
Secondary Outcome |
Total analgesic dose consumption in milligrams. |
within 24 hours after intrathecal block. |
Secondary Outcome |
Sensory block onset. |
Time after intrathecal block till loss of pinprick sensation at T4 level. |
Secondary Outcome |
Sensory block duration |
Time after four segment regression. |
Secondary Outcome |
Motor block onset.
|
Time after intrathecal block till the modified Bromage score will be 3. |
Secondary Outcome |
Motor block duration.
|
Time after intrathecal block till the modified Bromage score will be zero. |