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Related Experiment Video

Updated: May 16, 2026

Generation of Hypoparathyroid Rats via Carbon-Nanoparticle-Assisted Parathyroidectomy

Generation of Hypoparathyroid Rats via Carbon-Nanoparticle-Assisted Parathyroidectomy

Published on: July 14, 2023

Transient and permanent hypoparathyroidism following thyroidectomy.

M Mehrabi Bahar¹, A Jangjoo, M Afzal Aghaei

¹Surgical Oncology Research Center, Imam Reza Hospital, Faculty of Medicine, Mashhad University of Medical Sciences, Iran.

Minerva Chirurgica

|December 13, 2012

Summary

Thyroidectomy can cause temporary hypoparathyroidism, with the extent of surgery being a key risk factor. Most patients recover parathyroid hormone (PTH) levels within 10 days, with permanent hypoparathyroidism being rare.

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Generation of Hypoparathyroid Rats via Carbon-Nanoparticle-Assisted Parathyroidectomy

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Establishment of a Simple and Effective Rat Model for Intraoperative Parathyroid Gland Imaging

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Published on: August 17, 2022

Area of Science:

Endocrinology
Surgical Oncology
Thyroid Surgery

Background:

Hypoparathyroidism is a potential complication following thyroidectomy.
Identifying risk factors and understanding the duration of hypoparathyroidism are crucial for patient management.

Purpose of the Study:

To identify risk factors for transient and permanent hypoparathyroidism after thyroidectomy.
To determine the duration of transient hypoparathyroidism post-thyroid surgery.

Main Methods:

Prospective study of 163 patients undergoing thyroidectomy.
Serum calcium and parathyroid hormone (PTH) levels measured preoperatively and on postoperative days 1 and 10.
Six-month follow-up to assess the course of hypoparathyroidism.

Main Results:

The incidence of transient hypoparathyroidism was 8.6%; permanent hypoparathyroidism was 0%.
The extent of surgery was significantly associated with postoperative hypoparathyroidism (P=0.010).
PTH levels normalized by postoperative day 10 in most patients, with one exception requiring two months for recovery.

Conclusions:

The extent of thyroidectomy is the primary risk factor for postoperative hypoparathyroidism.
Hypoparathyroidism following thyroid surgery is typically transient, with PTH levels usually normalizing within 10 days.
Permanent hypoparathyroidism is uncommon after thyroidectomy.