Objective: To study the incidence of post-discharge adverse events occurring after dental treatment under general anesthesia in pediatric patients aged 1-6 years and compare their distribution differences in different age groups. Methods: A total of 110 children

including 72 boys (65.5%) and 38 girls (34.5%)

American Society Anesthesiologists physical statusⅠorⅡ

who received oral treatment under general anesthesia in the Stomatological Clinic of The First Affiliated Hospital of Zhengzhou University from January 2019 to February 2020 were collected. According to the age of the children

they were divided into two groups: infant group (1-3 years

58 cases) and preschool group (4-6 years

52 cases). The telephone follow-up records of first 24 hours after surgery were inquired to summarize the incidence of adverse events

including crying

toothache

oral discomfort

emotional instability

fever

drowsiness

bleeding gums

red lips

salivation

mouth breathing and whether the children had any memory of the dental experience

etc

and their distribution differences in different age groups were compared. Results: In this study

62.7%of children had one or more adverse events reported. The incidence of adverse events in the infant group and preschool group were 55.2%and 71.1%

respectively (P>0.05). Crying (41.3%) and bad memory of dental visits (40.4%) were the highest incidence of adverse events in the infant group and preschool group

respectively. The incidence of memory

emotional instability and irritability and toothache in the infant group were 13.8%

6.9%and 8.6%

respectively

which were all lower than those in the preschool group (40.4%

21.2%

23.1%

respectively)

with statistical differences (P<0.05). The number of treated teeth

the number of extracted teeth

and the number of endodontic treatments in the infant group were (11.5±2.9)

(1.6±1.4) and (5.3±3.3)

respectively

which were significantly lower than those in the preschool group [(13.3±3.5)

(3.2±1.1) and (7.5±4.1)

respectively] (P<0.05). The number of total coronary treatments in the two groups was (3.5±2.3) and (4.6±3.7)

respectively

without significant difference (P>0.05). Conclusion: In oral treatment under general anesthesia

the effect of intraoperative sedation and analgesia is positive. However

the incidence of discomforts occurring after general anesthesia

such as crying

bad memory of medical experience and toothache

is relatively high

and necessary attention should be given. For infants and young children

the comfort of their crying should be strengthened. Due to the large number of teeth and complex dental conditions in preschool children

the probability of adverse events is higher

and the effect of perioperative forgetting and analgesia should be strengthened.