Article Abstract

Impact of diverticular inflammation and complication assessment classification on the burden of medical therapies in preventing diverticular disease complications in Italy

Authors: Antonio Tursi, Walter Elisei, Marcello Marcello, Gabriella Nasi, Angela Maria Mastromatteo, Francesco Di Mario, Enrico Di Rosa, Maria Alessandra Brandimarte, Giovanni Brandimarte

Abstract

Background: Several treatments are currently advised to manage diverticular disease (DD) patients, but their impact on the burden of the disease is unknown. Our aim was to assess the economic analysis of using the recent Diverticular Inflammation and Complication Assessment (DICA) endoscopic classification on the burden of medical therapies prescribed in preventing DD complications occurrence in Italy.
Methods: We assessed retrospectively the cost/year of treatments in estimated DICA 1, DICA 2 and DICA 3 population. Analysis of diverticulosis prevalence was estimated according to data population provided by Italian Institute of Statistics (ISTAT). Cost of treatments calculated according to data on drugs’ consumption collected during the DICA study.
Results: We estimated that >8 million of Italian people >60 years may have diverticulosis, and that about 75% of diverticular population are on DICA 1, about 30% on DICA 2, and about 13% on DICA 3. We estimated that >387 million of euros could be spent in DICA 1 population, >203 million of euros in DICA 2 population, and >88 million of euros in DICA 3 population. Since medical treatments did not show any significant advantage when treating DICA 1 and DICA 3 people in terms of prevention of acute diverticulitis occurrence/recurrence and surgery occurrence, we can estimated that >475 million of euros could be spent in Italy without any significant benefit in preventing DD complications occurrence.
Conclusions: DICA endoscopic classification may have a significant impact on the burden of DD in Italy, because it helps to select DD people who effectively need treatments in terms of prevention of acute diverticulitis occurrence/recurrence and surgery occurrence.

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