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  • Title: The effect of preoperative consumption of potatoes on succinylcholine-induced block and recovery from anesthesia.
    Author: Bestas A, Goksu H, Erhan OL.
    Journal: J Clin Monit Comput; 2013 Dec; 27(6):609-12. PubMed ID: 23700201.
    Abstract:
    Potatoes contain solanaceous glycoalkaloids (SGAs), which inhibit both butyrylcholinesterase (BuChE) and acetylcholinesterase (AChE). The present study investigated the effect of preoperative consumption of potatoes on succinylcholine-induced block and recovery from anesthesia. ASA I-II, adult patients, scheduled for elective surgery, were included in a randomized, blind and controlled study. Patients were randomly divided into two groups. Patients in Group P (n = 21) ate a standard portion of potatoes in their last meal prior to pre-operative fasting, while patients in Group C (n = 23) ate food not containing SGAs. Patients were premedicated with midazolam. Anesthesia was induced with thiopental and fentanyl, and maintained with sevoflurane in 50 % O2/air and fentanyl, as needed. Succinylcholine 1 mg kg(-1) was administered to facilitate endotracheal intubation. Duration of succinylcholine blockade, awakening and recovery times from anesthesia were measured. Serum BuChE levels were also measured at baseline and 4 time-points within 24 h post-consumption. Duration of succinylcholine-induced neuromuscular block, awakening and recovery time from anesthesia was significantly longer in Group P than in Group C (p < 0.05). Serum BuChE levels decreased at 6 h after consumption start in Group P. In addition, in both groups, BuChE levels markedly decreased after succinylcholine blockade, increased thereafter, but did not return to baseline within 24 h of consumption start. None of these differences observed in BuChE levels was statistically significant. This study suggests that potatoes eaten before anesthesia can prolong the duration of succinylcholine-induced neuromuscular block and delay recovery from anesthesia.
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