Comparison of anatomical and functional success rates of the 4-snip ampullotomy procedure with published results of rectangular and triangular 3-snip punctoplasty procedures.

Table 3: Comparison of anatomical and functional success rates of the 4-snip ampullotomy procedure with published results of rectangular and triangular 3-snip punctoplasty procedures.

	N = eyes	Anatomical success/%	Functional success/%	Restenosis/%
Ampullotomy procedure	25	96	83.3	4
Chak, et al. - Rectangular and triangular 3 snip	108	95.4	89.8	4.6 (3 rectangular and 2 triangular)
Ali, et al. - Rectangular 3 snip	87	94.3	74.7	5.7
Caesar, et al. - Triangular 3 snip	53	-	92	-