Is Femoral Vein Diameter a Reliable Marker of Central Venous Pressure?

Maryam Begum, Abdul Rehman Arshad, Altaf Husain, Attika Khalid

ABSTRACT

Objective: To determine the correlation of femoral vein diameter with central venous pressure.
Study Design:  Cross-sectional analytical study.
Place and Duration of Study: The study was carried out at the Intensive Care Unit (ICU) of Combined Military Hospital (CMH), Peshawar, Pakistan from March 2021 to July 2021.
Materials and Methods: This study was done on patients aged ≥18 years who were admitted to the intensive care unit and had a central venous line passed. Patients with lower extremity deep vein thrombosis, conditions associated with raised intra-abdominal pressure like pregnancy or recent laparotomy and those unable to lie supine were excluded. Central venous pressure was measured by a manual manometer. Femoral vein diameter was also measured in horizontal and vertical dimensions at the bedside and the mean was calculated.
Results: There were 150 patients, including 109 (72.7%) males and 41 (27.3%) females, with a mean age of 36.53 ± 13.83 years. Mechanical ventilation was given to 17 (11.33%) patients. The mean central venous pressure and femoral vein diameter were 8.82 ±3.87 cm and 9.36 ± 3.14 cm, respectively. The overall regression was statistically significant (r=0.407, p<0.001). Femoral vein diameter significantly predicted central venous pressure (0.502, p<0.001).
Conclusion: Femoral vein diameter can be used as a bedside non-invasive method to determine central venous pressure.

Keywords: Central Venous Catheterization, Central Venous Pressure, Critical Illness, Septic Shock.

How to cite this: Beghum M, Arshad AR, Husain A, Khalid A. Is Femoral Vein Diameter a Reliable Marker of Central Venous Pressure? 2023; 4(2): 132-135. doi: http://doi.org/10.37185/LnS.1.1.272

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