Caudal Block,Saddle Block, Anorectal Surgery

For the caudal block, sacral horns are palpated and sacral hiatus and epidural area will be determined at S4-S5 level through ulştrasonography. The 20 G adult caudal needle will then be placed to the caudal epidural space and 25 mL bupivacaine at a concentration of 0.5% will be applied in the prone Jack-Knife position with resistance loss.

In the saddle block group hyperbaric bupivacaine at a dose of 7 mg will be given to the intrathecal space after a 25 G quincke spinal needle is inserted with ultrasonographyguidance between L4-L5 vertebral disc and clear cerebrospinal fluid is seen. The patient will be placed in sitting position for 5 minutes.