Safety and efficacy of patient controlled epidural analgesia versus conventional epidural analgesia in lower limb orthopedic surgeries: a prospective randomized study

Comparative study between dexmedetomidine and fentanyl as adjuvants to bupivacaine for postoperative epidural analgesia in abdominal surgeries: A randomized controlled trial

A Comparative Study between Intrathecal Dexmedetomidine vs Ketamine with Intrathecal Bupivacaine in Orthopedic Lower Limb Surgeries

Comparative study on regression time of block and adverse effects of nalbuphine and fentanyl as an adjuvant to intrathecal bupivacaine: a prospective randomized double-blind study

A comparative study between the effect of intrathecal hyperbaric bupivacaine with fentanyl and hyperbaric levobupivacaine with fentanyl for knee arthroscopy

Continuous spinal anesthesia versus single small dose bupivacaine–fentanyl spinal anesthesia in high risk elderly patients: A randomized controlled trial

Effect of Intrathecal Fentanyl and Dexmedetomidine On Rebound Pain following Orthopedic Surgery: A prospective Randomized Comparative Study

Fentanyl versus midazolam added to bupivacaine for spinal analgesia in children undergoing infraumbilical abdominal surgery: A randomized clinical trial

Comparative Study between the Effects of Intravenous or Intrathecal Dexmedetomidine on Characteristics of Bupivacaine Spinal Block in Lower Limb Orthopedic Surgeries

IPACK block with spinal anesthesia compared to fentanyl-based spinal anesthesia for postoperative analgesia following arthroscopic meniscectomy: a randomized, prospective study