Correction to: Transanal hemorrhoidal dearterialization (THD) for hemorrhoidal disease: a single-center study on 1000 consecutive cases and a review of the literature.

The article "Transanal hemorrhoidal dearterialization (THD) for hemorrhoidal disease: a single-center study on 1000 consecutive cases and a review of the literature" written by C. Ratto et al. was originally published Online First without open access.

Transanal hemorrhoidal dearterialization (THD) for hemorrhoidal disease: a single-center study on 1000 consecutive cases and a review of the literature.

Background: The transanal hemorrhoidal dearterialization (THD) Doppler procedure is a minimally invasive technique to treat symptomatic hemorrhoids. The aim of the study was to assess the clinical efficacy and the satisfaction of patients in a large series treated with THD and to review the relevant literature.

Methods: In this retrospective, single-institution, study consecutive patients with grade 2, 3, or 4 hemorrhoidal disease were treated with the THD Doppler procedure.