Electrical Remodeling of Ventricular Repolarization Abnormality after Treatment in Pheochromocytoma: U Wave Finding in a Retrospective Analysis

Table 1

Clinical data of patients with phaeochromocytoma.

Clinical data	Pheochromocytoma
	(n = 39)
Age, mean (SD), y	44.79 ± 21.47
Sex, No. (%)
Female	20 (51)
Male	19 (49)
Months of symptoms, median (range), m	6 (0-144)
Age at first treatment, mean (SD), y	43.03 ± 21.55
Tumor size, mean (SD), cm	5.04 ± 2.52
Tumor type or location, No. (%)
Adrenal	36 (92.3)
Right side	18 (50.0)
Left side	18 (50.0)
Extra-adrenal	3 (7.7)
Infiltration of the capsule	5 (12.8)
Metastasis	3 (7.7)
Recurrence of adrenal and extra-adrenal	3 (7.7)
Comorbidities, No. (%)
None	10 (25.6)
Hypertension	29 (74.4)
Dyslipidemia	6 (15.4)
Diabetes	5 (12.8)
Cardiogenic shock	2 (5.1)
Paroxysmal supraventricular tachycardia	2 (5.1)
Hypothyroidism	6 (15.4)
Other malignant tumors	4 (10.3)
Other benign tumors	4 (10.3)
Family history of cancer, No. (%)
Neurofibromatosis type 1	2 (5.1)
Multiple endocrine neoplasia type 2	4 (10.3)
Phaeochromocytoma	1 (2.6)
Von Hippel-Lindau syndrome	1 (2.6)
Other types of neoplasia	2 (5.1)
History of structural heart disease, No. (%)
Absence	24(61.5)
Hypertensive heart disease	10(25.6)
Ischemic heart disease	4(10.3)
Valvular heart disease	1(2.6)