Scandinavian journal of surgery : SJS : official organ for the Finnish Surgical Society and the Scandinavian Surgical Society · 2004
Primary hyperparathyroidism: intraoperative PTH-measurements.
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Rolighed L, Heickendorff L, Hessov I, Garne J P, Rodt S A, Christiansen P
Аннотация
BACKGROUND: With the development of rapid assays and intraoperative measurement of intact parathyroid hormone (PTH), new strategies in the handling of patients with primary hyperparathyroidism (pHPT) have evolved.
AIM: The aim of our study was to illustrate the performance of the intraoperative PTH measurement as a predictor of successful cure.
MATERIAL AND METHODS: From September 1999 to April 2002 143 patients with pHPT underwent a parathyroid operation (bilateral neck exploration with identification of all parathyroid glands) with intraoperative measurements of plasma PTH (immediately prior to surgery (T0) and 5 minutes after gland excision (T5)). A positive test result was defined as plasma PTH values at T5 below 20% of T0 or a value in the normal range below 7.6 pmol/l. Hence T5 values above 20% of T0 and above 7.6 pmol/l were considered test negative.
RESULTS: 122 patients (85%) were test positive and cured, 11 patients (8%) were test negative but cured, and 10 patients (7%) were test negative and not cured by the primary operation. Consequently, the sensitivity of the test was 0.92 and the specificity 1.00.
CONCLUSIONS: The rapid PTH test used is a reliable predictor of a successful outcome in pHPT patients undergoing parathyroid surgery.
AIM: The aim of our study was to illustrate the performance of the intraoperative PTH measurement as a predictor of successful cure.
MATERIAL AND METHODS: From September 1999 to April 2002 143 patients with pHPT underwent a parathyroid operation (bilateral neck exploration with identification of all parathyroid glands) with intraoperative measurements of plasma PTH (immediately prior to surgery (T0) and 5 minutes after gland excision (T5)). A positive test result was defined as plasma PTH values at T5 below 20% of T0 or a value in the normal range below 7.6 pmol/l. Hence T5 values above 20% of T0 and above 7.6 pmol/l were considered test negative.
RESULTS: 122 patients (85%) were test positive and cured, 11 patients (8%) were test negative but cured, and 10 patients (7%) were test negative and not cured by the primary operation. Consequently, the sensitivity of the test was 0.92 and the specificity 1.00.
CONCLUSIONS: The rapid PTH test used is a reliable predictor of a successful outcome in pHPT patients undergoing parathyroid surgery.