Introduction: Previous studies have reported a relatively high incidence of total and subtotal thyroidectomy complications in Iran. Fear of this complication has led some internists and patients to avoid thyroid surgery. The aim of study was to determine the recent decade frequency of total and subtotal thyroidectomy complications in Sari, Iran. Material & Methods: In this cross-sectional study, the patients underwent total or subtotal thyroidectomy during 2001-2011 at two referral hospitals in sari (Imam Khomeini as academic and Shafa as private hospital) were enrolled. The questionnaire included demographic information, diagnosis and pathology of the disease, type of thyroid surgery, serum calcium level after the surgery, recurrent laryngeal nerve injury, and hematoma data. Frequencies, Odds ratio and their 95%CI were reported. Results: Among the 382 subjects (66 men and 316 women), 86 cases (22.5%) underwent total and 296 cases (77.5%) underwent subtotal thyroidectomy. The final pathology was malignant in 25.1%. Hypocalcaemia occurred in 40.3% of patients (CI95%: 35.5-45.3) that 4.2% (CI95%: 2.3-6.6) were permanent. Recurrent laryngeal nerve injury was reported in 0.8% (CI95%: 0.3-2.3) [0.3% permanent (CI95% :0.05-1.5)] and two cases (0.5%) complicated by cervical hematoma (CI95%: 0.1-1.9). Total thyroidectomy was associated with more complications than subtotal. [OR: 6.4 (CI95%: 2.6-16.1), P = 0.0001]. Conclusion: The findings of this study show that total and subtotal thyroidectomy complications has significantly decreased that can be due to improved surgical techniques and increased proficiency of surgeons.

Keywords: Total thyroidectomy, subtotal thyroidectomy, hypocalcaemia, recurrent laryngeal nerve, hematoma, complication

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