Pedicle complex tissue flap transfer for reconstruction of duplicated thumbs with unequal size

Table 1 TATA criteria of postoperative evaluation

Score	2	1	0
Range of motion1	> 70%	50%-70%	< 50%
Instability	-	No instability	Instability
Deformity	< 10°	10°-20°	> 20°
Cosmetic	Acceptable	Moderate deformity	Substantial deformity

¹Compared with the opposite side.

Results over or equal to 5 were categorized as good, 3 and 4 as fair, and less than 3 as poor.

Table 2 ALURRA criteria

Criteria	Score
	2	1	0
Alignment	< 10°	10°-20°	> 20°
IP joint deviation (radial/ulnar)
MP joint deviation (radial/ulnar)	< 10°	10°-20°	> 20°
Ulnar instability
IP joint	< 5°	5°-15°	> 15°
MCP joint	< 20°	20°-40°	> 40°
Radial instability
IP joint	< 5°	5°-15°	> 15°
MCP joint	< 20°	20°-40°	> 40°
Range of motion
IP joint	> 70°	50°-70°	< 50°
MCP joint (% of opposite thumb)	> 70°	50°-70°	< 50°
Aesthetical aspects
Circumference (% of opposite thumb)	75-100	50-75	< 50
Length	75-100	50-75	< 50
Nail size	75-100	50-75	< 50
Nail deformities	None	Small ridge	Severe deformation

A total score above 20 is categorized as good, between 13 and 20 as moderate, and less than 13 as poor. IP: Interphalangeal; MCP: Metacarpophalangeal.

Table 3 Demographic data of the included patients

Case	Sex	Term birth	Age (mo)	Weight (kg)	Wassel type	Follow-up	ALURRA criteria												Score	TATA criteria				Score
							Alignment (deviation)		Instability				ROM1		Aesthetical aspects1					ROM1	Instability	Deformity	Cometic
							IPJ	MCPJ	IPJ (ulnar)		MCPJ (radial)		IPJ	MCPJ	Circumference	Length	Nail size	Nail deformities
1	M	Yes	12	10	III	60	< 5	0	< 5	15	< 5	10	45	90	90	92	85	None	22	65	Yes	< 10°	Ac	6
2	F	No	13	10.5	IV	20	< 5	5	< 5	10	< 5	15	60	75	120	89	95	None	22	65	Yes	< 10°	Ac	6
3	F	Yes	11	9.5	IV	50	< 5	5	< 5	10	25	15	60	70	90	95	88	None	20	65	No	< 10°	Ac	5
4	M	No	12	10	V	34	< 5	5	< 5	12	< 5	10	65	75	74	80	70	None	21	70	Yes	< 10°	Ac	6
5	M	Yes	10	9	V	22	< 5	5	< 5	10	< 5	5	60	75	130	78	90	Small ridge	21	68	Yes	< 10°	Md	5
6	F	Yes	17	12	IV	46	< 5	6	< 5	10	< 5	10	75	85	80	75	80	None	24	80	Yes	< 10°	Ac	7
7	M	Yes	13	11	IV	49	< 5	4	< 5	14	< 5	8	80	78	85	80	74	None	23	80	Yes	< 10°	Ac	7
8	M	No	11	9	V	43	< 5	0	< 5	13	< 5	10	55	77	86	82	97	Small ridge	21	65	Yes	< 10°	Ac	6
9	M	Yes	24	15	V	53	< 5	0	< 5	10	< 5	5	75	85	118	85	94	None	23	80	Yes	< 10°	Ac	7
10	F	No	12	10.5	VI	56	< 5	8	< 5	10	< 5	15	55	60	80	86	72	None	20	55	Yes	< 10°	Ac	6
11	F	Yes	11	9	V	52	< 5	3	< 5	12	< 5	10	65	85	78	90	96	Small ridge	22	75	Yes	< 10°	Md	6
12	M	No	13	11	VI	46	< 5	4	< 5	15	< 5	10	50	70	79	78	81	None	23	60	Yes	< 10°	Ac	6
13	F	Yes	14	11	V	28	< 5	5	< 5	15	< 5	13	72	75	90	79	90	Small ridge	23	70	Yes	< 10°	Md	5
14	M	Yes	12	12	VI	27	< 5	6	< 5	15	< 5	8	55	80	79	84	70	None	21	66	Yes	< 10°	Ac	6
15	F	Yes	10	10	III	44	< 5	3	< 5	10	< 5	10	60	95	82	70	68	None	21	70	Yes	< 10°	Ac	6
mean			13	10.6		42		3.9		12.1		10.3	62.1	78.3	90.7	82.9	83.3		21.8	68.9				6
SD			3.4	1.5		12.3		2.3		2.1		3.1	9.6	8.5	16.8	6.5	10.1		1.2	7.1				0.6

¹Shows the % of opposite thumb.

ROM: Range and motion; MCPJ: Metacarpophalangeal joints; IPJ: Interphalangeal joints; Ac: Acceptable; Md: Moderate deformity.