Anal Fissure: Recurrence After Lateral Internal Sphincterotomy

Patient population

Intervention

Comparator

Outcomes studied

Patients with recurrent fissure after Lateral Internal Sphincterotomy

Repeat LIS

1. Advancement flap

2. Botox

Cure, continence, patient satisfaction

Table 35.2

Results of literature search

Authors	Year published	Study type	# of patients	Treatments compared	Failure rate	New incontinence rate	Other outcomes measured
Brisinda et al.	2008	Case Series	80	Botulinum Toxin Inject vs. No comparison provided	22 % at 1 month	Baseline incontinence not measured; 10 % incontinence at 1 month; none long term	NA
Liang et al.	2015	Case Series	57	Lateral Internal sphincterotomy vs. No comparison provided	2 %	7.4 %	Patient Satisfaction: Significantly improved after intervention