Risk factors of delayed hemorrhage after LigaSure hemorrhoidectomy

BACKGROUND: As one of the most popular methods for treating hemorrhoidal diseases, hemorrhoidectomy with LigaSure devices has been proven to have less postoperative pain and has gained in popularity among surgeons. However, our previous study found higher incidence of delayed post-hemorrhoidectomy bleeding (DPHB) in patients who underwent LigaSure hemorrhoidectomy compared to those who underwent the traditional Ferguson’s method. This follow-up study aimed to reveal the relationship between DPHB and the surgeon’s experience. METHODS: This retrospective study included 437 consecutive patients with symptomatic grade II to IV hemorrhoids who received hemorrhoidectomy by LigaSure devices from March 2009 to December 2017. Twenty-two patients who experienced DPHB were analyzed to identify risk factors. Cumulative incidence of DPHB were calculated and visualized to assess the improvement of DPHB rate by time. RESULTS: All operations were performed by a single surgeon. The most common postoperative complication was constipation, followed by urinary retention. DPHB developed in 22 patients (5%). Multivariate analysis showed that the male sex was an independent risk factor for DPHB in patients who underwent hemorrhoidectomy with LigaSure devices. The cumulative incidence was initially higher (about 10%) in the earlier cases and stabilized at around 5% with more cases. The change in cumulative incidence indicated a lower complication rate as the surgeon’s experience increased. CONCLUSION: Male sex is an independent risk factor for DHBP. The risk of DPHB is higher in patients undergoing hemorrhoidectomy with LigaSure in a surgeon’s earlier cases, and decreases to a rate similar to that for the traditional hemorrhoidectomy once the surgeon becomes more familiar with the procedure and postoperative care. SUPPLEMENTARY INFORMATION: The online version contains supplementary material available at 10.1186/s12893-022-01802-w.