Abstract:
BACKGROUND:Postoperative sore throat (POST) is not uncommon after general anesthesia with a supraglottic airway (SGA) device. Although it was reported that some pharmacological and nonpharmacological measures can reduce POST, because of limitations and variable success rates, we need to find a simpler and more effective way to alleviate POST. METHODS:This prospective, observer-blinded, randomized controlled study enrolled 140 patients who required general anesthesia administered via a streamlined liner of the pharyngeal airway (SLIPA) for <60 minutes. They were randomly divided into the gum (group G, n = 70) and control (group C, n = 70) groups. Before the induction of general anesthesia for 5-10 minutes, the patients in group G chewed gum for 2 minutes. Group C was asked to swallow twice without any additional treatment. A standard anesthesia protocol was followed. The incidence and severity of sore throat were assessed up to 24 hours postoperatively. The primary outcome was the incidence of POST numerical rating scale (NRS) scores >3 within 24 hours after surgery, and the secondary outcomes included the POST (NRS) scores 2, 6, and 24 hours after the surgery. RESULTS:The incidence of moderate/severe POST (NRS >3) within 24 hours after surgery was significantly lower in group G (10.1%, 7/69) than in group C (40.6%, 28/69) (odds ratio 0.386, 95% confidence interval [CI], 0.153-0.976; P = .044). The median (interquartile range [range]) scores at 2, 6, and 24 hours after anesthesia in group G were lower than those in the control group at the same times (2 hours: 0 [0-3 {0-4}] vs 3 [0-3 {0-6}], P = .048; 6 hours: 0 [0-3 {0-6}] vs 2 [0-4 {0-6}], P = .048; 24 hours: 0 [0-1 {0-7}] vs 0 [0-2 {0-6}]; P = .011). There were 14 patients (20.3%, 14/69) in group G who had blood stains on the SGA device, which was significantly lower than the number in group C (37.7%, 26/69) (P = .024). In patients with bloody SGA devices, the incidence of POST scores >3 was significantly lower in group G (14.3%, 2/14) than in group C (73.1%, 19/26) (P < .001), while there was no significant difference between the 2 groups in the incidence of POST score >3 in patients without bloody SGA devices (group G: 9.1%, 5/55; group C: 20.9%, 9/43; P = .145). CONCLUSIONS:Chewing gum before surgery can effectively reduce POST with a SGA device for hysteroscopic surgery, especially in patients with pharyngeal mucosal injury.
journal_name
Anesth Analgjournal_title
Anesthesia and analgesiaauthors
Wang T,Wang Q,Zhou H,Huang Sdoi
10.1213/ANE.0000000000004664subject
Has Abstractpub_date
2020-12-01 00:00:00pages
1864-1871issue
6eissn
0003-2999issn
1526-7598pii
00000539-202012000-00026journal_volume
131pub_type
杂志文章,随机对照试验abstract::The relative safety of epidural catheter placement with subsequent heparinization has been well documented. However, what is the risk of neurologic sequelae in such patients who receive warfarin perioperatively? This study retrospectively evaluates the risk of spinal hematoma in patients receiving postoperative epidur...
journal_title:Anesthesia and analgesia
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journal_title:Anesthesia and analgesia
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journal_title:Anesthesia and analgesia
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journal_title:Anesthesia and analgesia
pub_type: 杂志文章,随机对照试验
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journal_title:Anesthesia and analgesia
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journal_title:Anesthesia and analgesia
pub_type: 杂志文章
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journal_title:Anesthesia and analgesia
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journal_title:Anesthesia and analgesia
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