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Ahmad Rastegarian,Hassanali Abedi,Hossein K. Jahromi,Safar Zarei,Arash Nematollahi,Esrafil Mansouri,Hadi Sameni 사단법인약침학회 2020 Journal of Acupuncture & Meridian Studies Vol.13 No.1
Melissa officinalis (MO) is one of the oldest herbal medicines commonly used in traditional medicine, which some studies have investigated for its analgesic effect. This study is an attempt to investigate the effects of intrathecal administration of Melissa officinalis on the pain induced by heat and formalin. In this experimental study, 70 male Wistar rats with an average weight of 270-320 g were randomly divided into five groups: control; sham that received 25 ml of saline through the spinal catheter; and three experimental groups that received 5, 10 or 20 mg/kg M. officinalis via the spinal catheter respectively. Five days after catheterization of the spinal cord from the lumbar region under anesthesia, the effects of Intrathecal administration of M. officinalis on heat- and formalin-induced pain were evaluated. Data were analyzed by using one-way ANOVA. Intrathecal injection of M. officinalis blocked heat-induced pain compared to sham group (p Z 0.001). Maximum analgesia was observed 30 min after the injection. Furthermore, intrathecal administration of MO alleviated both acute (p Z 0.007) and chronic (p Z 0.001) phases of formalin-induced pain. Motor block was not observed in any of the above mentioned groups. The results showed that intrathecal administration of MO could significantly improve hot-water and formalininduced pain in male Wistar rats.
Intrathecal Meperidine Plus Lidocaine for Prevention of Shivering during Cesarean Section
Rastegarian, Ahmad,Ghobadifar, Mohamed Amin,Kargar, Hossein,Mosallanezhad, Zahra The Korean Pain Society 2013 The Korean Journal of Pain Vol.26 No.4
Background: Shivering related to spinal anesthesia may interfere with monitoring and is uncomfortable. The aim of the present study was to investigate low-dose intrathecal meperidine for the prevention of shivering after induction of spinal anesthesia in parturients with cesarean section. Methods: This was a prospective randomized, double-blind, placebo-controlled trial including 100 parturients, of American Society of Anesthesiologists (ASA) physical status I or II, scheduled for elective cesarean section under spinal anesthesia who were randomly assigned to a meperidine (0.2 mg/kg) plus hyperbaric lidocaine (5%, 75 mg, n = 50; group M) group or a placebo plus hyperbaric lidocaine (5%, 75 mg, n = 50; group L) group. Demographic and surgical data, adverse events, and the mean intensity for each parturient were assessed during the entire study period by a blinded observer. Results: There were no significant differences between the two study groups regarding the demographic and surgical data (P > 0.05). The incidence of shivering during the entire study period significantly decreased in the group of parturients who received intrathecal meperidine (P = 0.04). There were no significant differences in nausea and vomiting between the two groups. Conclusions: Low-dose intrathecal meperidine (10 mg) is safe and effective in reducing the incidence and severity of shivering associated with spinal anesthesia in parturients with cesarean section.
( Ahmad Rastegarian ),( Mohamed Amin Ghobadifar ),( Hossein Kargar ),( Zahra Mosallanezhad ) 대한통증학회 2013 The Korean Journal of Pain Vol.26 No.4
Background: Shivering related to spinal anesthesia may interfere with monitoring and is uncomfortable. The aim of the present study was to investigate low-dose intrathecal meperidine for the prevention of shivering after induction of spinal anesthesia in parturients with cesarean section. Methods: This was a prospective randomized, double-blind, placebo-controlled trial including 100 parturients, of American Society of Anesthesiologists (ASA) physical status I or II, scheduled for elective cesarean section under spinal anesthesia who were randomly assigned to a meperidine (0.2 mg/kg) plus hyperbaric lidocaine (5%, 75 mg, n = 50; group M) group or a placebo plus hyperbaric lidocaine (5%, 75 mg, n = 50; group L) group. Demographic and surgical data, adverse events, and the mean intensity for each parturient were assessed during the entire study period by a blinded observer. Results: There were no significant differences between the two study groups regarding the demographic and surgical data (P> 0.05). The incidence of shivering during the entire study period significantly decreased in the group of parturients who received intrathecal meperidine (P = 0.04). There were no significant differences in nausea and vomiting between the two groups. Conclusions: Low-dose intrathecal meperidine (10 mg) is safe and effective in reducing the incidence and severity of shivering associated with spinal anesthesia in parturients with cesarean section. (Korean J Pain 2013; 26: 379-386)