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- Adrián Plaza Díaz, Jesús Ruiz Ramos, Ana María Juanes Borrego, Marta Blázquez Andión, Mireia Puig Campmany, and María Antonia Mangues Bafalluy.
- Servicio de Farmacia, Hospital Santa Creu i Sant Pau, Barcelona, España.
- Emergencias. 2020 Sep 1; 32 (5): 349-352.
ObjectivesTo evaluate the anticholinergic burden on discharge of patients treated for constipation in an emergency department (ED) and to assess the effect on emergency revisiting within 30 days.Material And MethodsObservational retrospective cohort study. We collected cases with a discharge diagnosis of constipation after ED treatment between September 2018 and June 2019 and recorded information on all drugs taken and the anticholinergic burden of treatment. A revisit to the ED within 30 days was the primary outcome.ResultsWe included 104 patients. A high anticholinergic burden of treatment was identified in 47 (56.6%), an intermediate burden in 30 (36.1%), and a low burden in 6 (7.2%). Twenty-nine (27.9%) patients revisited the ED within 30 days of discharge. An intermediate anticholinergic burden (23 patients [31.1%] vs 4 [13.3%]; P = .061) and high burden (19 [40.4%] vs 8 [14.1%]; P = .002] was associated with revisiting within 30 days in the univariate analysis. On multivariate analysis, a high anticholinergic burden was independently associated with a higher rate of revisiting than a low burden: adjusted odds ratio (aOR), 4.21; 95% CI, 1.07-16.5; P = .039. An intermediate load was not associated with more revisits, however: aOR, 1.27; 95% CI, 0.25-6.41; P = .776. Prescription of long-term treatment with laxatives on discharge did not reduce revisiting withing 30-days in the group with a high anticholinergic load (OR, 0.86; 95% CI, 0.48-3.27; P = .526), but it did have an effect in patients an intermediate burden (OR, 0.13; 95% CI, 0.02-0.99; P = .049).ConclusionThe prescription of drugs leading to a high anticholinergic burden was a factor associated with ED revisits within 30 days in patients treated for constipation.
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