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Body Mass Index and Operating Times in Vascular Procedures.

M Durup-Dickenson1, C W Nicolajsen1, J Budtz-Lilly1

  • 1Department of Cardio-Thoracic and Vascular Surgery, Aarhus University Hospital, Palle Juul-Jensen Boulevard 99, Aarhus N, 8200, Denmark.

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Summary

Obesity significantly increases operating times for carotid endarterectomy and central vascular procedures, by 7% and 10% respectively. This finding highlights the impact of body mass index on surgical efficiency.

Keywords:
Body mass index (BMI)ObesityOperating timeSurgeryVascular surgical procedures

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Area of Science:

  • Vascular Surgery
  • Surgical Outcomes
  • Obesity Research

Background:

  • Investigated the impact of body mass index (BMI) on surgical procedure durations.
  • Focused on central and peripheral vascular surgeries.

Purpose of the Study:

  • To determine if higher body mass index (BMI) correlates with longer operating times in vascular surgery.
  • To quantify the increase in operative time associated with obesity.

Main Methods:

  • Analysis of a national cohort of Danish patients undergoing vascular procedures (1983-2012).
  • Utilized the independent samples Kruskall-Wallis test for BMI group comparisons.
  • Employed linear and multi-adjusted linear regressions to control for confounders.

Main Results:

  • Included 3,255 carotid endarterectomies, 6,885 central vascular procedures, and 4,488 peripheral bypasses.
  • Obese patients had median operating times 5 minutes longer for carotid endarterectomy (7% increase) and 15 minutes longer for central vascular procedures (10% increase).
  • A significant correlation between BMI and operating time was confirmed.

Conclusions:

  • Obesity is significantly associated with increased operating times for carotid endarterectomy and central vascular procedures.
  • While impacting operative stress, the increased times may not significantly affect overall logistical planning.
  • Highlights the importance of considering BMI in vascular surgical practice.