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Major abdominal surgeries are associated with severe pain, which can affect respiratory and cardiac functions if insufficiently treated; this increases postoperative morbidity.We aim at evaluating the efficacy of magnesium sulfate as an adjuvant to local anesthetic in an ultrasound-guided transversus abdominis plane (TAP) block for postoperative analgesia in total abdominal hysterectomy.A prospective, randomized, double-blinded clinical trial.An academic medical center.This study is registered at https://clinicaltrials.gov (no.: NCT02930707). This randomized, double-blinded clinical trial included 60 women undergoing total abdominal hysterectomy that were divided into 2 groups (30 patients per group). Group I received a TAP block with 20 mL per side of 0.25% bupivacaine plus 2 mL magnesium sulphate 10% (200 mg). Group II received a TAP block with 20 mL per side of 0.25% bupivacaine. Visual analog scale (VAS) scores, the time of the first analgesic request, total morphine consumption, and any side effects were assessed and recorded.The mean postoperative VAS score was significantly reduced in group I compared to group II in all of the time-points except after 10 hours. The mean time of the first request for rescue analgesia was significantly prolonged in group I (15.67 hrs.) compared to group II (7.33 hrs.) (P 0.001), and the mean total morphine consumption, over the first 24 hours postoperatively, was significantly lower in group I (7.63 ± 2.93 mg) than in group II (16.20 ± 3.24 mg) (P 0.001). No significant difference in side effects was observed.Sample size.The addition of 200 mg of magnesium sulfate to bupivacaine in an ultrasound-guided TAP block significantly reduced postoperative opioid requirements, prolonged the duration of analgesia, and reduced the VAS score in patients who underwent abdominal hysterectomy, without significant side effects.Magnesium sulfate, TAP block, postoperative pain, total abdominal hysterectomy.

Major abdominal surgeries are associated with severe pain, which can affect respiratory and cardiac functions if insufficiently treated; this increases postoperative morbidity.We aim at evaluating the efficacy of magnesium sulfate as an adjuvant to local anesthetic in an ultrasound-guided transversus abdominis plane (TAP) block for postoperative analgesia in total abdominal hysterectomy.A prospective, randomized, double-blinded clinical trial.An academic medical center.This study is registered at https://clinicaltrials.gov (no.: NCT02930707). This randomized, double-blinded clinical trial included 60 women undergoing total abdominal hysterectomy that were divided into 2 groups (30 patients per group). Group I received a TAP block with 20 mL per side of 0.25% bupivacaine plus 2 mL magnesium sulphate 10% (200 mg). Group II received a TAP block with 20 mL per side of 0.25% bupivacaine. Visual analog scale (VAS) scores, the time of the first analgesic request, total morphine consumption, and any side effects were assessed and recorded.The mean postoperative VAS score was significantly reduced in group I compared to group II in all of the time-points except after 10 hours. The mean time of the first request for rescue analgesia was significantly prolonged in group I (15.67 hrs.) compared to group II (7.33 hrs.) (P 0.001), and the mean total morphine consumption, over the first 24 hours postoperatively, was significantly lower in group I (7.63 ± 2.93 mg) than in group II (16.20 ± 3.24 mg) (P 0.001). No significant difference in side effects was observed.Sample size.The addition of 200 mg of magnesium sulfate to bupivacaine in an ultrasound-guided TAP block significantly reduced postoperative opioid requirements, prolonged the duration of analgesia, and reduced the VAS score in patients who underwent abdominal hysterectomy, without significant side effects.Magnesium sulfate, TAP block, postoperative pain, total abdominal hysterectomy.

Major abdominal surgeries are associated with severe pain, which can affect respiratory and cardiac functions if insufficiently treated; this increases postoperative morbidity.We aim at evaluating the efficacy of magnesium sulfate as an adjuvant to local anesthetic in an ultrasound-guided transversus abdominis plane (TAP) block for postoperative analgesia in total abdominal hysterectomy.A prospective, randomized, double-blinded clinical trial.An academic medical center.This study is registered at https://clinicaltrials.gov (no.: NCT02930707). This randomized, double-blinded clinical trial included 60 women undergoing total abdominal hysterectomy that were divided into 2 groups (30 patients per group). Group I received a TAP block with 20 mL per side of 0.25% bupivacaine plus 2 mL magnesium sulphate 10% (200 mg). Group II received a TAP block with 20 mL per side of 0.25% bupivacaine. Visual analog scale (VAS) scores, the time of the first analgesic request, total morphine consumption, and any side effects were assessed and recorded.The mean postoperative VAS score was significantly reduced in group I compared to group II in all of the time-points except after 10 hours. The mean time of the first request for rescue analgesia was significantly prolonged in group I (15.67 hrs.) compared to group II (7.33 hrs.) (P 0.001), and the mean total morphine consumption, over the first 24 hours postoperatively, was significantly lower in group I (7.63 ± 2.93 mg) than in group II (16.20 ± 3.24 mg) (P 0.001). No significant difference in side effects was observed.Sample size.The addition of 200 mg of magnesium sulfate to bupivacaine in an ultrasound-guided TAP block significantly reduced postoperative opioid requirements, prolonged the duration of analgesia, and reduced the VAS score in patients who underwent abdominal hysterectomy, without significant side effects.Magnesium sulfate, TAP block, postoperative pain, total abdominal hysterectomy.

Major abdominal surgeries are associated with severe pain, which can affect respiratory and cardiac functions if insufficiently treated; this increases postoperative morbidity.We aim at evaluating the efficacy of magnesium sulfate as an adjuvant to local anesthetic in an ultrasound-guided transversus abdominis plane (TAP) block for postoperative analgesia in total abdominal hysterectomy.A prospective, randomized, double-blinded clinical trial.An academic medical center.This study is registered at https://clinicaltrials.gov (no.: NCT02930707). This randomized, double-blinded clinical trial included 60 women undergoing total abdominal hysterectomy that were divided into 2 groups (30 patients per group). Group I received a TAP block with 20 mL per side of 0.25% bupivacaine plus 2 mL magnesium sulphate 10% (200 mg). Group II received a TAP block with 20 mL per side of 0.25% bupivacaine. Visual analog scale (VAS) scores, the time of the first analgesic request, total morphine consumption, and any side effects were assessed and recorded.The mean postoperative VAS score was significantly reduced in group I compared to group II in all of the time-points except after 10 hours. The mean time of the first request for rescue analgesia was significantly prolonged in group I (15.67 hrs.) compared to group II (7.33 hrs.) (P 0.001), and the mean total morphine consumption, over the first 24 hours postoperatively, was significantly lower in group I (7.63 ± 2.93 mg) than in group II (16.20 ± 3.24 mg) (P 0.001). No significant difference in side effects was observed.Sample size.The addition of 200 mg of magnesium sulfate to bupivacaine in an ultrasound-guided TAP block significantly reduced postoperative opioid requirements, prolonged the duration of analgesia, and reduced the VAS score in patients who underwent abdominal hysterectomy, without significant side effects.Magnesium sulfate, TAP block, postoperative pain, total abdominal hysterectomy.

Background: No drug, used as adjuvant to spinal bupiv-acaine has yet been identified that specifically inhibits noci-ception without its associated side effects. The goal of neuraxial drug combination is to provide better analgesia with reduction in the incidence and severity of side effects. Objective: This prospective randomized double-blind study was conducted to evaluate the analgesic and adverse effects of intrathecal dexmedetomidine when added to intrath-ecal magnesium sulphate in patients undergoing lower abdom-inal surgery under bupivacaine spinal anesthesia. Methods: Ninety adult patients classified as ASA I and II scheduled for lower abdominal surgery were randomized to one of three groups. Each patients was given 3.6ml spinal injectate that consisted of 3ml 0.5% hyperbaric bupivacaine and 0.6ml containing either, normal saline (group C), 50mg magnesium sulphate (group Mg), or 50mg magnesium sulphate and 5ug dexmedetomidine (group MgD). The onset time to reach peak sensory and motor level, the regression time for sensory and motor block, hemodynamic changes, pain score, time to rescue analgesic, level of sedation and adverse effects were recorded intraoperatively and up to 24 hours after spinal anesthesia. Results: The onset time to reach peak sensory and motor level was shorter in group MgD as compared with the control group C (p0.007), and it was significantly prolonged in group Mg (p0.001). In both Mg group and MgD group when compared with group C, there was a significant prolonged time to two segment regression, sensory regression to S1, regression to Bromage 0 and time to first rescue analgesic in addition to a significant decreased postoperative pain scores and lower postoperative analgesic requirements. The effects were greater in group MgD than in group Mg. Hemodynamic stability was maintained and other side effects were irrelevant in the three groups. Conclusion: It was found that adding intrathecal dexme-detomidine 5ug to intrathecal magnesium sulphate 50mg, improves the quality of bupivacaine spinal anesthesia and enhances postoperative analgesia in lower abdominal surgery and there were no significant adverse effects in either of the groups.

Background: No drug, used as adjuvant to spinal bupiv-acaine has yet been identified that specifically inhibits noci-ception without its associated side effects. The goal of neuraxial drug combination is to provide better analgesia with reduction in the incidence and severity of side effects. Objective: This prospective randomized double-blind study was conducted to evaluate the analgesic and adverse effects of intrathecal dexmedetomidine when added to intrath-ecal magnesium sulphate in patients undergoing lower abdom-inal surgery under bupivacaine spinal anesthesia. Methods: Ninety adult patients classified as ASA I and II scheduled for lower abdominal surgery were randomized to one of three groups. Each patients was given 3.6ml spinal injectate that consisted of 3ml 0.5% hyperbaric bupivacaine and 0.6ml containing either, normal saline (group C), 50mg magnesium sulphate (group Mg), or 50mg magnesium sulphate and 5ug dexmedetomidine (group MgD). The onset time to reach peak sensory and motor level, the regression time for sensory and motor block, hemodynamic changes, pain score, time to rescue analgesic, level of sedation and adverse effects were recorded intraoperatively and up to 24 hours after spinal anesthesia. Results: The onset time to reach peak sensory and motor level was shorter in group MgD as compared with the control group C (p0.007), and it was significantly prolonged in group Mg (p0.001). In both Mg group and MgD group when compared with group C, there was a significant prolonged time to two segment regression, sensory regression to S1, regression to Bromage 0 and time to first rescue analgesic in addition to a significant decreased postoperative pain scores and lower postoperative analgesic requirements. The effects were greater in group MgD than in group Mg. Hemodynamic stability was maintained and other side effects were irrelevant in the three groups. Conclusion: It was found that adding intrathecal dexme-detomidine 5ug to intrathecal magnesium sulphate 50mg, improves the quality of bupivacaine spinal anesthesia and enhances postoperative analgesia in lower abdominal surgery and there were no significant adverse effects in either of the groups.