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Data for Emergency Department utilisation and diagnoses in adolescents with postural orthostatic tachycardia syndrome are lacking, making prevention of these visits more difficult to achieve.
Materials and methods:
We performed a retrospective study of patients with postural orthostatic tachycardia syndrome between ages 12 and 18 years seen in the Emergency Department at a large tertiary care children’s hospital. These subjects were age- and sex-matched with controls, with volume of primary and total diagnoses assessed. Due to the relatively small number of subjects, a ± 3-year variance was used among control patients for age matching.
Results:
A total of 297 patients in each group were evaluated. The percentage of female patients was 80.5%. The median age of the subjects was 15.1 years (interquartile range 14.1–15.9), and the median age of controls was 16.1 years (interquartile range 14.4–17.4) (p < 0.00001). Patients with postural orthostatic tachycardia syndrome had greater gastroenterologic and headache diagnoses (p < 0.00001); controls had greater autonomic and psychiatric diagnoses.
Discussion:
Adolescent patients with postural orthostatic tachycardia syndrome who present to the Emergency Department have a preponderance of gastroenterologic and headache complaints versus controls.
Postural orthostatic tachycardia syndrome encompasses multiple disabling symptoms that interfere with daily activities. Non-pharmacologic approaches can be insufficient and can require adjunctive medications to manage symptoms. Minimal data exist in the literature on medication outcomes in these patients. We reviewed our database for medication management outcomes.
Materials and Methods
Patients aged 18 years and younger at initial diagnosis met the inclusion criteria. All prescribed patient medications were extracted from the electronic health record, excluding medications for unrelated symptoms or comorbid diseases. Medications were grouped by symptom class consistent with our programme utilisation protocol. Within symptom classification, therapy was deemed successful when a specific dose was prescribed at least five consecutive times without changes; this was confirmed by chart review. Individual medications and overall percentage of successful therapies within symptom classifications were assessed, with further analysis by gender. t-Test, χ2, and Mann–Whitney U-test were used to assess for differences in specific variables, as appropriate.
Results
A total of 708 patients met the study criteria. The percentage of patients with effective therapy by symptom includes light-headedness (52.2%), headache (48.2%), nausea (39.1%), dysmotility (43.4%), pain (53.4%), and insomnia (42.8%). Insomnia therapy was better for females; all other therapies showed no gender difference. The median number of therapies prescribed per patient per symptom was 2 for light-headedness, headache, and insomnia, and 1 for nausea, dysmotility, and pain.
Discussion
Symptoms associated with this disorder can be effectively managed with various medications. Further randomised studies are needed to better ascertain true efficacy compared with placebo.
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