Intraoperative PTH monitoring in parathyroid hyperplasia requires stricter criteria for success

Kaare J. Weber, Subhasis Misra, Jane K. Lee, Scott W. Wilhelm, Robert DeCresce, Richard A. Prinz

Research output: Contribution to journalArticlepeer-review

51 Scopus citations

Abstract

Intraoperative parathyroid hormone (IOPTH) monitoring in parathyroidectomy for multigland disease is less clear than for single-gland disease. This study assesses the role of IOPTH for hyperplasia. A prospective database revealed 45 patients with hyperplasia undergoing parathyroidectomy utilizing IOPTH from February 1999 to August 2003. Twenty-six females and 19 males had a mean age of 55 years. Twenty-two patients underwent total parathyroidectomy. Twenty-three patients underwent subtotal parathyroidectomy. Twenty-seven patients (60%) had a drop of IOPTH greater than 50% at 10 minutes after removal of all presumably abnormal parathyroid tissue. Nine additional patients (20%) had an IOPTH drop greater than 50%, but continued exploration revealed more abnormal tissue. Nine patients failed to decrease greater than 50%, and exploration was continued. A final IOPTH less than 35 pg/mL or a greater than 90% decrease from baseline was predictive of a successful operation in 40 patients. The 5 patients who did not meet this criteria remained hyperparathyroid. IOPTH identifies sporadic hyperplasia and guides completeness of resection for patients with known hyperplasia. However, more rigid criteria are required than for adenomas. Failure to achieve appropriate decreases in IOPTH should prompt further neck exploration or a search for a mediastinal gland.

Original languageEnglish
Pages (from-to)1154-1159
Number of pages6
JournalSurgery
Volume136
Issue number6
DOIs
StatePublished - Dec 2004

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