The free flap based on a single proximal perforator of the radial artery: ultrasonography study and clinical applications in reconstruction of soft tissue defects in finger

Table 2 Data of patients and outcomes of the free radial artery perforator flap

No.	Sex	Age	Cause	Flap size (cm)	Perforator diameter (mm)	Recipient site	Follow-up time (months)	Complications	ROM (°)			S2-PD (mm)
No.	Sex	Age	Cause	Flap size (cm)	Perforator diameter (mm)	Recipient site	Follow-up time (months)	Complications	DIP	PIP	MP	S2-PD (mm)
1	Female	21	Friction injury	3.5 × 3.0	0.6	Right middle finger	14	None	40	110	90	15
2	Female	47	Crush injury	5.0 × 3.0	0.6	Left index finger	12	None	–	–	70	12
3	Female	45	Crush injury	6.0 × 2.3	0.5	Right ring finger	8	None	30	90	90	10
4	Male	39	Stamping injury	6.5 × 3.0	0.7	Right ring finger	14	None	–	45	90	18

ROM range of motion; DIP distal interphalangeal joint; PIP proximal interphalangeal joint; MP metacarpophalangeal joint. S2-PD static 2 point discrimination
– represents the joint defect, so the data cannot be available

ISSN: 2047-783X