Anterior skull base reconstruction using nasoseptal flap: cadaveric feasibility study and clinical implication [SevEN-001]

Table 1 Measurements of the anterior skull base and nasoseptal flap

No.	Without sphenoidotomy (cm)	With sphenoidotomy (cm)		PNSF Length (cm)		ASBD (cm)
No.	CPFS	CPFS	CL	A	B	ASBD (cm)
1	1.5	- 2.2	1.8	6.9	4.6	4.0
2	0.7	- 2.3	1.5	5.6	4.1	3.8
3	0.9	- 1.9	2.2	6.4	3.9	4.1
4	1.3	- 2.7	1.5	6.3	3.7	4.2
5	0.2	- 2.1	2.4	5.9	4.0	4.5
6	0.7	- 2.0	1.7	5.4	3.7	3.7
7	0.3	- 1.7	2.0	6.0	4.0	3.7
8	0.4	- 2.4	1.4	5.6	3.6	3.8
9	0.9	- 0.9	3.3	6.5	3.8	4.1
10	0.3	- 2.3	1.5	6.0	3.7	3.8
11	0.6	- 2.2	1.8	6.4	3.5	4
12	0.8	- 2.2	1.5	5.9	4	3.7
13	0.2	- 1.9	1.3	5.8	3.5	3.2
14	0.8	- 2.4	1.9	6.2	4	4.3
15	0.5	- 2.3	2.2	6.6	4.2	4.5
	0.67 (0.38) ^a	- 2.10 (0.41) ^a	1.86 (0.51) ^a	6.10 (0.42) ^a	3.88 (0.29) ^a	3.96 (0.34)^a

^aData are presented as mean cm (standard deviation)
CPFS Coverage at the posterior wall of the frontal sinus, CL Coverage from the limbus, PNSF Pedicled nasoseptal flap, ASBD Anterior skull base distance

ISSN: 1916-0216