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1.
J Formos Med Assoc ; 121(12): 2639-2643, 2022 Dec.
Article in English | MEDLINE | ID: mdl-35577643

ABSTRACT

Sugammadex is a direct reversal agent of aminosteroid muscle relaxants, particularly rocuronium, with promptly and completely reverse of deep neuromuscular block (NMB), which allows better surgical conditions. Sugammadex exhibits advantages over indirect reversal agent acetylcholinesterase inhibitor neostigmine with less adverse effects. In this retrospective review, we compared the incidence of postoperative vomiting (POV), postoperative urinary retention (POUR), and hemodynamic changes between sugammadex and neostigmine/glycopyrrolate in reversal of muscular blockade. Sugammadex showed superior in all three aspects. The heart rate was 7.253 lower (P < 0.0001) and mean arterial pressure was 5.213 lower (P < 0.0001) in sugammadex group. The POV of neostigmine/glycopyrrolate group was 3.16 times more than sugammadex group (OR = 3.16, p < 0.0001), and POUR of neostigmine/glycopyrrolate group was 4.291 times more than sugammadex group (OR = 4.291, p < 0.0001). Sugammadex showed better hemodynamic stability, and lower incidence of POV and POUR than neostigmine/glycopyrrolate.


Subject(s)
Anesthesia , Neuromuscular Blockade , Neuromuscular Nondepolarizing Agents , Sugammadex , Humans , Glycopyrrolate/therapeutic use , Iatrogenic Disease , Muscles , Neostigmine/therapeutic use , Postoperative Complications/prevention & control , Sugammadex/pharmacology
2.
J Pain Res ; 12: 2473-2485, 2019.
Article in English | MEDLINE | ID: mdl-31496789

ABSTRACT

BACKGROUND: In recent years, several melatonin (MLT) receptor agonists have been approved by FDA for the treatment of sleep disorders and depression. Very few studies have shed light on their efficacy against neuropathic pain (NP). IIK-7 is an MT-2 agonist known to promote sleep. Whether IIK-7 suppresses NP has not been reported, and the signaling profile is unknown. OBJECTIVE: To investigate the effect of melatonin type 2 receptor agonist IIK-7 on partial sciatic nerve transection-induced NP in rats and elucidate the underlying molecular mechanisms. METHODS: NP was induced by the PSNT in the left leg of adult male Wistar rats. On post-transection day 7, rats were implanted with intrathecal (i.t) catheter connected to an infusion pump and divided in to four groups: sham-operated/vehicle, PSNT/vehicle, PSNT/0.5 µg/hr IIK-7 and PSNT/0.5 µg IIK-7/1 µg 4-p/hr. To test the MT-2 dependence on IIK-7 activity, the animals were implanted with a single i.t catheter and injected MT-2 antagonist 4-Phenyl-2-propionamidotetralin (4-p) 20 mins prior to IIK-7 injection on day 7 after PSNT. The antinociceptive response was measured using a mechanical paw withdrawal threshold. Activation of microglial cells and the expression of NP-associated proteins in the spinal cord dorsal horn was assessed by immunofluorescence assay (IFA) and Western blotting (WB). Reactive oxygen species (ROS) scavenging ability of IIK-7 was evaluated by using bone marrow-derived macrophages (BMDM). RESULTS: Treatment with the MT-2 agonist IIK-7 significantly alleviated PSNT-induced mechanical allodynia and glial activation along with the inhibition of P44/42 MAPK, HMGB-1, STAT3, iNOS and casp-3 proteins. CONCLUSION: IIK-7 attenuates NP through the suppression of glial activation and suppression of proteins involved in inflammation and apoptosis. MT-2 receptor agonists may establish a promising and unique therapeutic approach for the treatment of NP.

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