Publication

Impact of the Introduction of Calcimimetics on Timing of Parathyroidectomy in Secondary and Tertiary Hyperparathyroidism

van der Plas, W. Y., Engelsman, A. F., Ozyilmaz, A., van der Horst-Schrivers, A. N., Meijer, K., van Dam, G. M., Pol, R. A., de Borst, M. H. & Kruijff, S., Jan-2017, In : Annals of Surgical Oncology. 24, 1, p. 15-22 8 p.

Research output: Contribution to journalArticleAcademicpeer-review

Hyperparathyroidism (HPT), both secondary and tertiary, is common in patients with end-stage renal disease, and is associated with severe bone disorders, cardiovascular complications, and increased mortality. Since the introduction of calcimimetics in 2004, treatment of HPT has shifted from surgery to predominantly medical therapy.

The aim of this study was to evaluate the impact of this change of management on the HPT patient population before undergoing (sub-)total parathyroidectomy (PTx).

Overall, 119 patients with secondary or tertiary HPT undergoing PTx were included in a retrospective, single-center cohort. Group A, who underwent PTx before January 2005, was compared with group B, who underwent PTx after January 2005. Patient characteristics, time interval between HPT diagnosis and PTx, and postoperative complications were compared.

Group A comprised 70 (58.8 %) patients and group B comprised 49 (41.2 %) patients. The median interval between HPT diagnosis and PTx was 27 (interquartile range [IQR] 12.5-48.0) and 49 (IQR 21.0-75.0) months for group A and B, respectively (p = 0.007). Baseline characteristics were similar among both groups. The median preoperative serum parathyroid hormone (PTH) level was 936 pg/mL (IQR 600-1273) for group A versus 1091 pg/mL (IQR 482-1373) for group B (p = 0.38). PTx resulted in a dramatic PTH reduction (less than twofold the upper limit: A, 80.0 %; B, 85.4 %), and postoperative complication rates were low in both groups (A: 7.8 %; B: 10.2 %) [p = 0.66].

The introduction of calcimimetics in 2004 is associated with a significant 2-year delay of surgery with continuously elevated preoperative PTH levels, while parathyroid surgery, even in a fragile population, is considered a safe and effective procedure.

Original languageEnglish
Pages (from-to)15-22
Number of pages8
JournalAnnals of Surgical Oncology
Volume24
Issue number1
Early online date26-Jul-2016
Publication statusPublished - Jan-2017
Event37th Annual Meeting of the American-Association-of-Endocrine-Surgeons - Baltimore, United States
Duration: 10-Apr-201612-Apr-2016

Event

37th Annual Meeting of the American-Association-of-Endocrine-Surgeons

10/04/201612/04/2016

Baltimore, United States

Event: Conference

    Keywords

  • LINEAR-REGRESSION PROCEDURES, CHRONIC KIDNEY-DISEASE, CLINICAL-CHEMISTRY, CARDIOVASCULAR-DISEASE, SURGICAL-MANAGEMENT, RENAL-FAILURE, HEMODIALYSIS, CINACALCET, DIALYSIS, OUTCOMES

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