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Related Concept Videos

Obesity01:24

Obesity

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The Body Mass Index (BMI) is a numerical value derived from a person's weight and height, used to categorize individuals into weight ranges. It is calculated using the formula: weight in kilograms divided by height in meters squared. Obesity is a health condition characterized by excessive accumulation of adipose tissue that poses health risks, often diagnosed with a BMI ≥ 30. This excess fat storage occurs when surplus dietary calories are converted into triglycerides and stored in...
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The Thyroid Gland01:23

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The thyroid gland is a small, butterfly-shaped gland located in the neck and covers the anterior surface of the trachea. The gland has two lateral lobes connected by a thin tissue mass called the isthmus. Internally, each lobe comprises many small spherical structures known as thyroid follicles, surrounded by a network of blood vessels.
The follicles have a central cavity lined by simple cuboidal to squamous epithelial cells called follicular cells. These cells produce the glycoprotein...
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Surgical interventions for inflammatory bowel disease (IBD), which includes ulcerative colitis and Crohn's disease, are essential in managing symptoms and addressing complications. The selection of surgical procedures is contingent upon the specific conditions and complications that stem from these illnesses.
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Related Experiment Video

Updated: Jul 7, 2025

Gasless Endoscopic Thyroidectomy via the Trans-Axillary Approach
05:10

Gasless Endoscopic Thyroidectomy via the Trans-Axillary Approach

Published on: September 15, 2023

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Thyroidectomy Outcomes in Obese Patients.

Valerie L Armstrong1, Alex Funkhouser2, Kelvin Memeh3

  • 1Department of General Surgery, Mayo Clinic Arizona, Phoenix, Arizona.

The Journal of Surgical Research
|December 24, 2023
PubMed
Summary

Higher body mass index (BMI) in patients undergoing thyroidectomy is linked to increased postoperative infection and readmission rates, especially in the morbidly obese. Operating room times remained similar across BMI groups.

Keywords:
HemithyroidectomyObesityOperative timesPostoperative complicationsPostoperative outcomesTotal thyroidectomy

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Area of Science:

  • Endocrinology
  • General Surgery
  • Obesity Medicine

Background:

  • Obesity is associated with higher complication rates in general surgery.
  • Limited data exists on the impact of obesity on thyroidectomy outcomes.
  • This study investigates the relationship between body mass index (BMI) and postoperative complications following thyroid surgery.

Purpose of the Study:

  • To determine if increased BMI correlates with adverse postoperative outcomes after thyroidectomy.
  • To analyze surgical outcomes across different BMI classifications.

Main Methods:

  • Retrospective review of 465 thyroidectomy patients (2015-2018).
  • Patients categorized into BMI groups per WHO definitions.
  • Analysis of surgical outcomes including readmission rates, infections, and complications.

Main Results:

  • Increased BMI showed a positive association with postoperative infection, pneumonia, and surgical site infection (P < 0.001).
  • Morbidly obese patients (BMI > 40) had higher 30-day readmission rates (6.2% vs. 1.05%, P = 0.003).
  • No significant differences in outcomes were found based on thyroidectomy extent (total vs. hemithyroidectomy).

Conclusions:

  • Thyroidectomy demonstrates excellent postoperative outcomes across all BMI categories.
  • Morbidly obese patients face higher risks of postoperative infection and 30-day readmissions.
  • Operating room times were not significantly affected by BMI, contrary to some prior surgical literature.