Based on previous studies, we hypothesized that the clinical phenomena of preoperative anxiety, emergence delirium, and postoperative maladaptive behavioral changes were closely related. We examined this issue using data obtained by our laboratory over the past 6 years. Only children who underwent surgery and general anesthesia using sevoflurane/O(2)/N(2)O and who did not receive midazolam were recruited. Children's anxiety was assessed preoperatively with the modified Yale Preoperative Anxiety Scale (mYPAS), emergence delirium was assessed in the postanesthesia care unit, and behavioral changes were assessed with the Post Hospital Behavior Questionnaire (PHBQ) on postoperative days 1, 2, 3, 7, and 14. Regression analysis showed that the odds of having marked symptoms of emergence delirium increased by 10% for each increment of 10 points in the child's state anxiety score (mYPAS). The odds ratio of having new-onset postoperative maladaptive behavior changes was 1.43 for children with marked emergence status as compared with children with no symptoms of emergence delirium. A 10-point increase in state anxiety scores led to a 12.5% increase in the odds that the child would have a new-onset maladaptive behavioral change after the surgery. This finding is highly significant to practicing clinicians, who can now predict the development of adverse postoperative phenomena, such as emergence delirium and postoperative behavioral changes, based on levels of preoperative anxiety.
Low back pain during pregnancy is a common problem that causes hardship in this population. Further studies are indicated in the areas of prevention and treatment.
The goal of this study was to assess the relationship between preoperative anxiety and intraoperative anesthetic requirements. We found that high baseline anxiety predicts increased intraoperative anesthetic requirements. We suggest that anesthesiologists should modify the initial induction dose based on the anxiety level exhibited by the patient.
Using a multiply matched, concurrent cohort analysis, with 568 subjects matched from data obtained by our laboratory over the past 7 yr, we examined whether parental presence during induction of anesthesia (PPIA) reduces children's anxiety depending on the interaction between child and parent's baseline anxiety. Children's and parents' baseline anxiety was assessed preoperatively; children's anxiety was again assessed during induction of anesthesia. We found that anxious children who received PPIA from a calm parent were significantly less anxious during induction of anesthesia as compared with anxious children who did not receive PPIA (P = 0.03). In contrast, calm children who received PPIA from an overly anxious parent were significantly more anxious as compared with calm children who were not accompanied by a parent (P = 0.002). We found no effect of PPIA on children's anxiety during induction of anesthesia when calm parents accompanied calm children into the operating room (P = 0.15) or when overly anxious parents accompanied anxious children (P = 0.49). We conclude that the presence of a calm parent does benefit an anxious child during induction of anesthesia and the presence of an overly anxious parent has no benefit.
In this study we examined the effect of hypnosis on preoperative anxiety. Subjects were randomized into 3 groups, a hypnosis group (n = 26) who received suggestions of well-being; an attention-control group (n = 26) who received attentive listening and support without any specific hypnotic suggestions and a "standard of care" control group (n = 24). Anxiety was measured pre- and postintervention as well as on entrance to the operating rooms. We found that patients in the hypnosis group were significantly less anxious postintervention as compared with patients in the attention-control group and the control group (31 +/- 8 versus 37 +/- 9 versus 41 +/- 11, analysis of variance, P = 0.008). Moreover, on entrance to the operating rooms, the hypnosis group reported a significant decrease of 56% in their anxiety level whereas the attention-control group reported an increase of 10% in anxiety and the control group reported an increase of 47% in their anxiety (P = 0.001). In conclusion, we found that hypnosis significantly alleviates preoperative anxiety. Future studies are indicated to examine the effects of preoperative hypnosis on postoperative outcomes.
In this randomized sham-controlled study we examined the anxiolytic and sedative effects of acupressure on parents in the preoperative holding area before their children's surgery. Sixty-one parents received acupressure either at the Yintang point (midpoint between the two eyebrows) or at a sham point. Anxiety (as measured by the Stait-Trait Anxiety Inventory), arterial blood pressure, and heart rate were assessed before and after the intervention and a Bispectral Index monitor was used to continuously monitor hypnotic sedation levels. Repeated-measures analysis of variance showed that parents in the acupressure group reported significantly less anxiety at 20 min post-intervention as compared with parents in the sham group (37 +/- 10 versus 45 +/- 13, P = 0.03). Bispectral Index values, heart rate, and arterial blood pressure, however, did not differ between the two study groups (P = not significant). We conclude that acupressure at the Yintang point may be used as a treatment for parental preoperative anxiety. Future studies are needed to quantify the magnitude and duration of the anxiolytic effect.
: Auricular acupuncture significantly decreased maternal anxiety during the preoperative period. Children of mothers who underwent acupuncture intervention benefitted from the reduction of maternal anxiety during the induction of anesthesia.
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