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Hypocalcemia after total thyroidectomy is usually transient but it is of main concern as it requires either prolonged stay in the hospital or readmission. During the first 24 hours bleeding is the main complication, but from the second day to six months, transient hypocalcemia is of main concern. Hypocalcemia can be evaluated symptomatically as well as from laboratory testing. Signs and symptoms of hypocalcemia include numbness, tingling, and carpopedal spasm. Preoperative vitamin D prevents postoperative transient hypocalcemia after thyroidectomy .
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Thyroid surgery is one of the most frequently performed surgical procedures worldwide . Nowadays, total thyroidectomy is the recommended procedure for thyroid disease . As total thyroidectomy is the procedure of choice, the most common complication resulting after this surgery is transient hypocalcemia - the incidence being 24% - which increases the morbidity rate and increases the length of hospitalization . Other complications of thyroidectomy include recurrent laryngeal nerve injury which leads to hoarseness of voice, postoperative hemorrhage, dysphagia due to inflammation of the tissues surrounding the esophagus, seroma formation, Horner's syndrome due to injury to the cervical sympathetic chain, and poor healing of the wound with hypertrophy of the scar or wound infection .
Advances in surgical techniques have evolved to preserve the parathyroid gland function, which helps to prevent permanent hypocalcemia and its incidence now has reduced to 1-2% . However, transient hypoparathyroidism still occurs resulting in transient hypocalcemia. It occurs due to the age, parathyroid gland handling, devascularization, venous congestion, post-surgical local site edema and neck dissection . Prescribing preoperative vitamin D and calcium decreases the incidence of transient hypocalcemia after total thyroidectomy from 25.9% to 6.8% as compared to the control group .
Total thyroidectomy is the procedure of choice in our population with the preservation of the parathyroid gland. As transient hypocalcemia is common in post-thyroidectomy patients and increases the morbidity rate, giving vitamin D and calcium preoperatively can reduce the burden of postoperative transient hypocalcemia and it will be helpful in decreasing the morbidity rate due to post-thyroidectomy transient hypocalcemia. The objective of our study is to compare the frequency of transient hypocalcemia after vitamin D with the control group for patients undergoing total thyroidectomy.
The study is based on patients with thyroid diseases who are indicated for total thyroidectomy . Patients are divided into two groups : group A who will recieve Vit D before operation and group B who won't . Group A will be divided into :
A1 : no hypocacemia occurs with vit D A2 : hypocalcemia occurs with vit D .
Group B will be divided into:
B1 no hypocacemia without vit D B2 hypocalcemia without vit D . Comparison between the above mentioned four groups will determine the effectiveness of vit D in normalization of serum calcium levels after total thyroidectomy .
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30 participants in 4 patient groups
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Mohammed Ramadan
Data sourced from clinicaltrials.gov
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