The use of electronic cigarettes by young people has increased exponentially in the past decade due to various health and social influences. E-cigarettes, particularly those containing nicotine, can cause health complications and addiction, which may result in a subsequent initiation of psychoactive substance use. This systematic review and meta-analysis evaluated the prospective association between e-cigarette use and subsequent use of psychoactive substances in young people aged 10-24 years. Pooling of data from the identified longitudinal studies showed that ever e-cigarette users had a higher risk for subsequent cannabis, alcohol, and unprescribed Ritalin/Adderall use compared to never e-cigarette users. The findings indicate a need for interventions to reduce e-cigarette use in adolescents and young adults.

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Background Acute appendicitis is possible for any pediatric patient with abdominal pain. At our tertiary care center, patients are transferred for surgical management with unnecessary or excessive imaging. We hypothesize that using the Alvarado score (AS) to clinically stage patients will identify patient groups that could be transferred prior to imaging. Methods Retrospective review of pediatric patients transferred to our hospital for suspected appendicitis between 11/2020 and 3/2022 was performed. Variables collected included AS, imaging, and pathology. Alvarado score was calculated for each patient, and patients were grouped into low score, intermediate score, and high score groups. Positive predictive values (PPVs) were calculated for patients who underwent CT. Results 196 patients (age 2-17, 58% male) were transferred with suspected appendicitis. CT was obtained in 67% of patients and was not significantly different between groups. The low-score group (n=35) had a rate of appendicitis of 14% and the PPV of CT was 33%. The intermediate-score group (n = 74) had a rate of appendicitis of 62% and the PPV of CT was 88%. In the high-score group (n = 87), the rate of appendicitis was 92% and PPV of CT was 98%. Discussion Our data show that patients with low, intermediate, and high AS undergo CT at similar rates. We suggest that patients in the low score and high score groups may not benefit from reflexive CT given the likelihood of appendicitis based on the Alvarado score. We propose that CT in these groups be performed at the discretion of the pediatric center in order to expedite transfer and spare children excess radiation.