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Impact of edema severity on basilic and superficial femoral vein diameters: Implications for peripherally inserted central catheter placement in critically ill patients
10.1177/11297298251383737
2025-10-01
0
PRE
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Abstract
En 中文
Background: Edema in critically ill patients poses challenges for vascular access, particularly during peripherally inserted central catheter (PICC) placement. The cross-sectional area of veins significantly influences catheterization success and complication rates. Objective: This study investigates the relationship between edema severity and the diameters of the basilic vein and superficial femoral vein (mid-thigh level) to optimize vascular access strategies. Material and methods: A retrospective analysis of 11 intensive care unit (ICU) patients from a tertiary medical center in Taiwan was conducted, using medical records collected between August 2023 and May 2024. The study examined the association between ultrasound-graded edema severity and venous diameters. A random-effects linear panel data regression model was applied to assess the relationship, with statistical significance defined as p < .05.Results: Increasing edema severity was significantly associated with a reduction in basilic vein diameter (p < .001), while no significant changes were observed in the superficial femoral vein (p = .44). Adjustments for confounders did not alter these findings. The basilic vein exhibited a linear trend decrease of -0.7 mm per edema grade, while the femoral vein remained relatively unaffected. Conclusion: Edema significantly narrows the basilic vein but spares the superficial femoral vein; if further swelling is anticipated, avoid basilic PICC placement and instead use the superficial femoral vein, of which the diameter remains comparatively stable.
Keywords:
Edema
vascular access devices
ultrasonography
retrospective studies
critical illness
catheterization
peripheral
Journal
J
IF:
1.7
Papers: 123
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Citations: 3.3K
Researchers
T
Tang, Ying-Hung
H-index:
0
Papers: 1
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Citations: 0
W
Wang, Tzu-Chun
H-index:
0
Papers: 1
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Citations: 0
K
Kuang-Hua Cheng
H-index:
6
Papers: 19
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Citations: 129
Y
Yu, Kuan-Pen
H-index:
0
Papers: 2
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Citations: 0
Organization
M
mackay medical university
Scholars:
133
Papers: 68
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Citations: 0
M
Mackay Memorial Hospital
Scholars:
2.6K
Papers: 2.3K
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Citations: 1.8K
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