Fibrin sealant use in pilonidal sinus: Systematic review

Table 2 Studies of fibrin sealant at pilonidal sinus: Features of the pilonidal sinuses

Ref.	No.	Inclusion and exclusion criteria	Recurrent
Greenberg et al[4]	30	No exclusion criteria	8
Lund et al[5]	6	3-4 openings and no large cavity	3
Seleem et al[6]	25	1-3 openings, no prior surgery, no infection	0
Patti et al[7]	8	3 < openings, no prior surgery, no infection, no large cavity or distant orifice	0
Altinli et al[8]	16	No prior surgery	0
Sözen et al[9]	25	No prior surgery, no infection, no lateral extension < 3 cm	0
Elsey et al[10]	57	No infection, no very scarred cases due to repeated episodes or surgeries	2
Isik et al[11]	40	Only 1 opening, no prior surgical or medical treatment, no infection	0
Smith et al[12]	10	No exclusion criteria	0
Total	217		13 (6%)