Table 2.

Literature review chart

Author (Year)	Reconstruction flap	Fingers involved	No. of patients (Followed up Vs total)	Defect size (mean)/ Type	Mean duration of follow-up (range) in months	Mean two-point discrimination (mm) Recipient/ contra-lateral finger	Aesthetic outcomes	Complications	Other findings
Freiberg & Manktelow (1972) 7	Kutler flap	-	22/ 30	-	-	6/ - Light touch (excellent-2, good-8) Tactile gnosis (excellent-2, good-3, poor-2)	-	Flap necrosis- 2 Infection- 2 Central dehiscence- 2	Hypersensitivity (mild)- 7 Numbness (mild)- 7 Cold sensitivity (mild-4, moderate-2) Paraesthesia- 3
Weston (1976) 9	Triangular advancement flap	-	-/ 31	-	-	-	Good results Kutler- 2/12 Median- 4/7 Half lateral- 5/11	-	Using finger normally- 23 Good functionally result-10
Gellis & Pool (1977) 8	Kutler flap	-	-	-	-	2.6/ -	-	-	-
	Atasoy flap	-	-	-	-	3.1/ -	-	-	-
Frandsen (1978) 11	Kutler flap	-	14/16	-	32 (6-57)	Light touch missing- 0	-	Tenderness on percussion- 10 Dysesthesia- 10 Curving of nail- 4	Coldness- 8 Difficulty in grasping objects- 6 Time of healing- 21 days Off work- 61 days
	Atasoy flap	-	10/12	-	32 (6-57)	Light touch missing- 0	-	Tenderness on percussion- 4 Dysesthesia- 7 Curving of nail- 3	Coldness- 4 Difficulty in grasping objects- 5 Time of healing- 21 days Off work- 29 days
Tupper & Miller (1985) 10	Volar VY plasty	-	20/20	-	5.9 yr (1-11)	Difference in reconstructed and contralateral finger: 2PD- 2.75 mm Von Frey- 0.6 Average patient estimation of sensation- 73%	Patient satisfaction- 12 Average shortening- 7.6 mm (4.7- 12.5 mm)	Parrot beaking- 3 Tenderness- 5	Difficulty in grasping small object- 10 Cryalgia- 12
Zhou et al (2015) 30	Palmar VY flap combined with bone and nail bed graft		14/14	Allen Type II- 3 Type III- 7 Type IV- 5	12.8 (8-17)	7.5 (4-12)	Fingertip length good and excellent- 78.6% Average subjective satisfaction score- 8.64	Dysesthesia- 0	Cold intolerance- 14 Grip strength 10% lesser than corresponding digit MIPJ, PIPJ mobility loss <10%
Haehnel et al (2019) 34	Atasoy flap	Index- 6 Middle- 12 Ring- 3 Little- 6 Thumb- 3	30/47	Ishikawa Subzone I- 8 Subzone II- 21 Subzone- III- 1	4.7 yr (1.3- 15.7)	Epicritical pulp tactile sensitivity Good- 20 Intermediate- 7 Poor- 3	Normal pulp- 13 Striated nail- 4 Thicker nail- 15 Hyponychial scarring- 22	Hooknail deformity- 15 Pain- 9	Cold sensitivity- 12
Weighted mean				Kutler flap		6	-	Hook nail- 4/14 Pain- 10/14	Cold intolerance- 14/36
				Atasoy flap		7.5	-	Hook nail- 21/60 Pain- 18/60	Cold intolerance- 40/74
Krishnan (2001) 13	Pedicled VY flap	Index- 19 Middle- 14 Ring- 7 Little- 2 Thumb- 3	29/29	Combination of Kutler and Atasoy system 1st-3rd degree	3 (9-14 weeks)	4.2+0.9 (1 month) 3.5+0.9 (3 months) p <0.0001	-	-	-
Ozyigit et al (2007) 23	Dorsal VY advancement flap	Index- 2 Middle- 1 Ring- 4	7/7	Defect proximal to nail matrix (volar oblique/ transverse)	18 (12-24)	4.7 (4-5)	-	Dysesthesia/ paraesthesia- 0 Pain- 0	Return to work- 21 days Cold intolerance- 2 (on volar side)
Sungur et al (2012) 25	Bilateral VY rotation advancement flap	-	7/7	1X0.4 cm to 2X1 cm	18 (3-24)	<6 (same as contralateral finger)	-	No scar hypersensitivity	Cold intolerance- 0 Return to work- 1.5-2.5 weeks
Diaz et al (2016) 31	Double VY flap	-	7/7	Allen Type II- 1 Type III- 5 Type IV- 1	Minimum 6 months	5 (4-6): proximal flap 8.43 (6-10): distal flap	-	Infection- 0 Necrosis- o	-
Arpaci et al (2017) 32	Super Kutler flap	-	10/10	2.2X 1.8 cm	12 (8-16)	2PD- 3.5 mm (3-5) Semmes Weinstein test- 2.83 gm (2.44- 3.61)	Michigan Hand Outcome Questionnaire Score 5- 7 Score 4- 3	Pain- 0	CISS (Mild)- 3 Mean ROM: PIPJ- 108° (100-110) DIPJ- 75° (70-80) Total- 167°
Appukuttan & Ragoowansi (2020) 35	Unilateral perforator VY flap (14-80 mm2)	Index- 3 Middle- 3 Little- 4	7/10	Allen type III	6	3- 4	Aesthetically satisfied- 6	Persistent sensitivity- 1 Parrot beaking- 1	-