Use of Percutaneous Ethanol Injection Therapy for Recurrent Secondary Hyperparathyroidism after Subtotal Parathyroidectomy

Table 2

Single patient PEIT procedure and biochemical data.

				iPTH (pg/mL)		ΔiPTH (%)	sCa (mg/dL)		sPi (mg/dL)		Ca × Pi (mg/dL)^2
Patient	Age	Time from start HD to PTx (mo)	Time from PTx to PEIT (mo)	Basal	Final		Basal	Final	Basal	Final	Basal	Final	No. of PEIT sessions	Total Ethanol vol. (cm^3)	Total nodule size (cm^3)
1	36	82	7	1917	65	96.6	9.3	8.8	3.8	1.9	35.3	16.7	1	0.6	0.33
2	47	72	108	1800	311	82.7	10.3	7.0	7.4	3.9	76.2	27.3	3	5.8	4.50
3	64	27	9	2401	152	93.7	10.0	9.5	5.3	4.9	53.0	46.5	1	7.0	2.50
4	51	79	2	464	168	63.8	8.3	8.4	5.2	4.3	43.2	36.1	1	1.1	0.81
5	39	150	6	2298	300	86.9	9.5	9.5	4.5	4.4	42.8	41.8	1	2.0	0.54
6	54	55	12	2500	2300	8.0	10.2	9.8	7.8	6.5	79.6	63.7	1	0.8	0.20

Abbreviations: HD: hemodialysis, PEIT, percutaneous ethanol injection treatment, PTx: parathyroidectomy, iPTH: intact parathyroid hormone, sCa: total serum calcium sPi: serum inorganic phosphate, and Ca × Pi: serum calcium × serum inorganic phosphate product.