Postoperative Hypocalcemia After Thyroidectomy

Who May Qualify: - Adult patients aged 18 years or older at time of surgery - Underwent thyroidectomy at Minia University Hospital - Availability of medical records with complete surgical and postoperative data - Documented serum calcium levels measured postoperatively - Minimum follow-up of 6 months postoperatively or documented outcome status Who Should NOT Join This Trial: - Age less than 18 years at time of surgery - Preoperative hypocalcemia (serum calcium \<8.0 mg/dL or ionized calcium \<1.0 mmol/L) - Pre-existing parathyroid disorders (primary hyperparathyroidism, hypoparathyroidism, secondary or tertiary hyperparathyroidism) - Chronic kidney disease Stage 3 or higher (estimated glomerular filtration rate \<60 mL/min/1.73m²) - Malabsorption syndromes affecting calcium metabolism (celiac disease, inflammatory bowel disease,short bowel syndrome) - Concurrent planned parathyroidectomy - History of neck irradiation - Chronic use of medications significantly affecting calcium metabolism (bisphosphonates, denosumab,cinacalcet, chronic corticosteroids) - Incomplete medical records lacking essential data including surgical details, postoperative calcium levels,or follow-up data - Patients lost to follow-up before 6-month endpoint without documented outcome status Always talk to your doctor about whether this trial is right for you.