Resecting the Lesion Combined with Local Flap Repairing for the Treatment of Infected Congenital Preauricular Fistula

Figures & data

Table 1 Age, Gender and Lesion Side Distribution of Included Patients

		Flap Repairing Treatment	Conventional Treatment	p
Patients, n		50	50
Age (years)		34.34±12.07	36.74±10.99	0.301
Gender	Male	37 (74%)	35 (70%)	0.656
	Female	13 (26%)	15 (30%)
Lesion side	Right	21 (42%)	19 (38%)	0.683
	Left	29 (58%)	31 (62%)	0.683

Figure 1 (A) Posterior auricular skin flap preparation; (B) a transfer of the posterior auricular skin flap to the front of the ear; (C) repair of the preauricular defect with the posterior auricular skin flap; (D) surgical site appearance after the flap suture.

Figure 2 (A) Pre-operation label of the surgical incision; (B) resection of the preauricular lesion; (C) preparation of the Burow flap; (D) surgical site appearance after the preauricular incision is sutured.

Table 2 Treatment Duration and Total Cost

	Flap Repairing	Conventional	p
Treatment duration (Days)	13.98±2.14	43.06±8.24	<0.0001
Total cost/patient (CNY)	7,068.03 (6,338.91, 8,044.58)	15,004.98 (13,007.23, 16,290.89)	<0.0001

Table 3 Analysis of Outpatient Medicine/Treatment Cost and Inpatient Medicine/Treatment Cost in Conventional and Local Flap Repairing Treatment Groups

	Flap Repairing	Conventional	p
Outpatient medicine cost (CNY)	143.11±31.30	712.14±221.74	<0.0001
Outpatient treatment cost (CNY)	214.28±52.93	2,631.28±665.45	<0.0001
Inpatient medicine cost (CNY)	1,241.18±54.79	1,334.45±345.28	0.065
Inpatient treatment cost (CNY)	5,518.75 (4,806.00, 6,405.20)	10,227.29 (8,923.29, 11,521.88)	<0.0001

Table 4 Post-Operation Complications

	Flap Repairing	Conventional	p
Wound infection	4 (8%)	2 (4%)	0.678
Scarring	2 (4%)	1 (2%)	>0.9999