The Journal of clinical endocrinology and metabolism · 2026
A PTH Value at 6 Hours Postsurgery Predicts the Diagnosis of Transient and Permanent Hypoparathyroidism.
СтатьяПоддержка исследования: вне правительства СШАНазвание и аннотация: Перевод в очереди
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Segarra-Balao Ana, Barranco-Ochoa Juan de Dios, de Damas-Medina María, Sánchez-Arquelladas Beatriz Andrea, Antonaya-Rubia Eva, Rosa-Garrido Carmen, Martínez-Ramírez María Josefa, Moreno-Carazo Alberto José
Аннотация
CONTEXT: PTH+ levels after thyroid surgery are generally used to detect patients at risk of developing postoperative hypoparathyroidism. However, there is still a lack of consensus about the threshold value regarding its evaluation, the definition of gland function recovery, and the classification of hypoparathyroidism as permanent.
OBJECTIVE: PTH levels (determined 6 hours after total thyroidectomy) could be effective for early prediction of the risk of postsurgical hypocalcemia and IV calcium requirements during hospitalization, comparing it with the predictive capacity of serum calcium levels at 24 and 48 hours after surgery. We also aim to study the efficacy of the measurement of PTH levels for the predictive diagnosis of permanent hypoparthyroidism.
DESIGN: Prospective cohort study between September 2021 and November 2023.
SETTING: A public tertiary care hospital (Jaén, Spain).
PATIENTS: We collected data on 105 patients undergoing total thyroidectomy.
MAIN OUTCOME MEASURES: PTH levels were measured 6 hours postoperatively. Additionally, corrected calcium levels, adjusted for total protein, were measured at 24 hours and 48 hours postsurgery.
RESULTS: In our study, a PTH value at 6 hours postsurgery <10.10 pg/mL suggests, with high sensitivity and specificity, to be a very effective measure for identifying patients who would develop either transient [area under the curve (AUC) = 0.991, 95% confidence interval (CI) 0.978-1] and permanent hypoparathyroidism (AUC = 0.961, 95% CI 0.952-0.997).
CONCLUSION: Measuring PTH levels at 6 hours postthyroidectomy is an accurate method for predicting which patients are at risk of developing transient and/or permanent hypoparathyroidism.
OBJECTIVE: PTH levels (determined 6 hours after total thyroidectomy) could be effective for early prediction of the risk of postsurgical hypocalcemia and IV calcium requirements during hospitalization, comparing it with the predictive capacity of serum calcium levels at 24 and 48 hours after surgery. We also aim to study the efficacy of the measurement of PTH levels for the predictive diagnosis of permanent hypoparthyroidism.
DESIGN: Prospective cohort study between September 2021 and November 2023.
SETTING: A public tertiary care hospital (Jaén, Spain).
PATIENTS: We collected data on 105 patients undergoing total thyroidectomy.
MAIN OUTCOME MEASURES: PTH levels were measured 6 hours postoperatively. Additionally, corrected calcium levels, adjusted for total protein, were measured at 24 hours and 48 hours postsurgery.
RESULTS: In our study, a PTH value at 6 hours postsurgery <10.10 pg/mL suggests, with high sensitivity and specificity, to be a very effective measure for identifying patients who would develop either transient [area under the curve (AUC) = 0.991, 95% confidence interval (CI) 0.978-1] and permanent hypoparathyroidism (AUC = 0.961, 95% CI 0.952-0.997).
CONCLUSION: Measuring PTH levels at 6 hours postthyroidectomy is an accurate method for predicting which patients are at risk of developing transient and/or permanent hypoparathyroidism.