The number of needle passes affects the accuracy of parathyroid hormone assay with intraoperative parathyroid aspiration

Marlon A Guerrero, Insoo Suh, Menno R. Vriens, Wen T. Shen, Jessica Gosnell, Electron Kebebew, Orlo H. Clark, Quan Yang Duh

Research output: Contribution to journalArticle

4 Citations (Scopus)

Abstract

Introduction Intraoperative aspiration of a nodule and parathyroid hormone (PTH) assay has been shown to accurately confirm parathyroid tissue. However, the reported aspiration technique varies in the literature. We sought to determine if the number of passes affected the accuracy of PTH analysis. Methods A prospective analysis was performed on 25 consecutive patients who underwent a parathyroidectomy for primary hyperparathyroidism. The excised parathyroid gland was aspirated using 1, 3, and 5 passes. The data were analyzed using the Wilcoxon rank, chi-square, and Fisher exact tests to calculate the 2-tailed P value. Results Of the 26 glands aspirated, the mean PTH value varied with the number of passes, 2,073 pg/mL for 1 pass, 2,347 for 3 passes, and 2,695 for 5 passes (P = .02). Accuracy was dependent on the number of passes, with 5 passes (P = .018) having less PTH variation than 1 or 3 passes. Conclusions Aspiration of nodules to determine the PTH level helps confirm the presence of parathyroid tissue. The number of needle passes affects the accuracy of the PTH level, with 5 passes being the optimal number of passes to attain no false-negative results.

Original languageEnglish (US)
Pages (from-to)701-706
Number of pages6
JournalAmerican Journal of Surgery
Volume200
Issue number6
DOIs
StatePublished - Dec 2010

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Parathyroid Hormone
Needles
Parathyroidectomy
Parathyroid Glands
Primary Hyperparathyroidism

Keywords

  • Aspiration technique
  • Intraoperative
  • Needle passes
  • Parathyroid aspiration
  • Parathyroid hormone assay
  • Primary hyperparathyroidism

ASJC Scopus subject areas

  • Surgery

Cite this

The number of needle passes affects the accuracy of parathyroid hormone assay with intraoperative parathyroid aspiration. / Guerrero, Marlon A; Suh, Insoo; Vriens, Menno R.; Shen, Wen T.; Gosnell, Jessica; Kebebew, Electron; Clark, Orlo H.; Duh, Quan Yang.

In: American Journal of Surgery, Vol. 200, No. 6, 12.2010, p. 701-706.

Research output: Contribution to journalArticle

Guerrero, Marlon A ; Suh, Insoo ; Vriens, Menno R. ; Shen, Wen T. ; Gosnell, Jessica ; Kebebew, Electron ; Clark, Orlo H. ; Duh, Quan Yang. / The number of needle passes affects the accuracy of parathyroid hormone assay with intraoperative parathyroid aspiration. In: American Journal of Surgery. 2010 ; Vol. 200, No. 6. pp. 701-706.
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