Total Thyroidectomy Safe in Obese Patients Despite Longer Operative Times: Study

Medically Reviewed By : Dr. Kamal Kant Kohli

Published On 2025-08-12 15:15 GMT | Update On 2025-08-13 06:21 GMT

Researchers have found in a new study that Total thyroidectomy can be safely performed in obese patients without an increased risk of surgery-related complications, despite the longer operative durations associated with higher BMI.

Obesity is associated with an increased risk of postoperative morbidity. We aimed to analyze the impact of BMI on surgical complications in patients undergoing thyroidectomy. This retrospective study was conducted in a single academic center.

A total of 484 patients with open total thyroidectomy were considered eligible. These patients were divided in the non-obese (BMI < 30 kg/m2) and obese (BMI ≥ 30 kg/m2) groups.

A 1:2 case matching based on demographic (age and gender) and clinical (benign/malignant disease) variables was performed to generate homogenous study groups. A comparative analysis was carried out to show the differences between the two groups in terms of the occurrence of surgery-related outcomes. Results: After case matching, 193 non-obese and 98 obese patients were included in the final analysis.

There was no statistically significant difference in the rate of primary outcomes in the non-obese and obese groups: hypoparathyroidism (transient: 29% versus 21.4%, p = 0.166; permanent: 11.4% versus 15.3%, p = 0.344, respectively) and recurrent laryngeal nerve palsy (transient: 13.9% versus 11.2%, p = 0.498; permanent: 3.1% versus 2.0%, p = 0.594, respectively).

A BMI ≥ 30 kg/m2 was associated with a significantly longer operative time (p = 0.018), while other secondary outcomes were not significantly affected by BMI. Despite prolonged operative times in obese patients, total thyroidectomy could be performed safely and without increased risk of surgery-related morbidity, regardless of BMI.

Reference:

Vaghiri, S., Mirheli, J., Prassas, D. et al. The BMI impact on thyroidectomy-related morbidity; a case-matched single institutional analysis. BMC Surg 25, 286 (2025). https://doi.org/10.1186/s12893-025-03018-0

Article Source : BMC Surgery

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Dr. Shravani Dali

Dr. Shravani Dali has completed her BDS from Pravara institute of medical sciences, loni. Following which she extensively worked in the healthcare sector for 2+ years. She has been actively involved in writing blogs in field of health and wellness. Currently she is pursuing her Masters of public health-health administration from Tata institute of social sciences. She can be contacted at editorial@medicaldialogues.in.

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