Related Experiment Videos
Thyroid and parathyroid response to subtotal thyroidectomy
E Eforakopoulou-Gialakidou1, D A Koutras, G D Piperingos
1Athens University, Department of Clinical Therapeutics, Alexandra General Hospital, Athens, Greece.
Endocrinologia Experimentalis
|September 1, 1988
Summary
Post-thyroidectomy hypocalcemia is not caused by calcitonin release but rather by relative parathyroid hormone insufficiency, according to this study.
Area of Science:
- Endocrinology
- Surgical Oncology
- Metabolic Disorders
Background:
- Hypocalcemia is a common complication after thyroidectomy.
- Previous theories attributed this to parathyroid insufficiency or calcitonin release.
Purpose of the Study:
- To investigate the cause of hypocalcemia after subtotal thyroidectomy.
- To differentiate between parathyroid hormone (PTH) and calcitonin (CT) roles.
Main Methods:
- Serum levels of calcium, phosphate, thyroid hormones (T3, T4), TSH, PTH, CT, and cAMP were measured.
- Measurements were taken before and 7 days after subtotal thyroidectomy in 27 women.
Main Results:
- Serum calcium, T3, and T4 levels decreased post-surgery.
- TSH levels increased appropriately.
- PTH and CT levels showed a non-significant tendency to decrease, with no PTH increase correlating with calcium decrease.
Conclusions:
- Hypocalcemia after thyroidectomy is not due to calcitonin release.
- The findings suggest relative parathyroid hormone insufficiency as the primary cause.