Emergency treatment and anesthesia management of internal carotid artery injury during neurosurgery: Four case reports

Table 1 The demographic and clinical characteristics of the 4 patients

Case	Age (yr)	Sex	BMI (kg/m2)	Primary disease	Comorbidities	Maximum diameter of tumor (mm)	Tumor recurrence (yes/no)	Operative approach	Location of ICA injury
1	51	Female	25.28	Pituitary adenoma	None	20	Yes	ETTS	C5 segment of right internal carotid artery
2	57	Female	21.50	Pituitary adenoma	Hyperthyroidism, cured	46	No	ETTS	C4 segment of left internal carotid artery
3	32	Male	26.12	Pituitary adenoma	None	30	No	MTTS	C5 segment of right internal carotid artery
4	53	Female	25.63	Right cavernous sinus endothelial meningioma	Allergic asthma	35	No	Right frontotemporal approach	C5 segment of right internal carotid artery

BMI: Body mass index; ETTS: Endoscopic transnasal transsphenoidal approach; MTTS: Microscopically transnasal transsphenoidal approach.