%0 Journal Article %T Comparing the Effect of Adding Fentanyl, Sufentanil, and Placebo with Intrathecal Bupivacaine on Duration of Analgesia and Complications of Spinal Anesthesia in Patients Undergoing Cesarean Section %A Bahram Naderi Nabi %A Farnoush Farzi %A Maryam Nemati %A Mona Nematollahi Sani %A Samaneh Ghazanfar Tehran %A Soodabe Makhlooghi Azad %A Zahra Atrkar Roushan %J Archive of "Anesthesiology and Pain Medicine". %D 2017 %R 10.5812/aapm.12738 %X Spinal anesthesia is the method of choice for most elective and emergency Cesarean sections. To increase the duration of anesthesia and improve the quality of analgesia during and after surgery, intrathecal opioids, as adjuvant drugs, are used in combination with local anesthetics %K Fentanyl %K Sulfentanil %K Bupivacaine %K Cesarean Sections %K Spinal Anesthesia %U https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5903220/