Preventing Inadvertent Foreign Body Injection in Angiography

Nikoubashman, Omid; Kraitem, Afif; Arslanian, Rose; Gounis, Matthew J.; Sichtermann, Thorsten; Wiesmann, Martin

doi:10.1148/radiol.2021200207

Cited by 3 publications

(2 citation statements)

References 10 publications

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“…Neuroangiographic procedures have not been the focus of attention with regard to bacterial contamination and have been reported to be associated with low complication rates [9]. However, potential non-microbial contamination has been reported [10]. Tress et al [11] described contamination in three out of seven patients who underwent angiography.…”

Section: Discussionmentioning

confidence: 99%

Bacterial Contamination of Syringes and Fluids in Diagnostic and Interventional Neuroangiography

Wiesmann,

Honecker,

Fleu

et al. 2024

Tomography

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(1) Background: Bacterial contamination has been shown to occur during angiographies, although data on its frequency and relevance are sparse. Our aim was to evaluate the incidence of bacterial contamination of syringes used under sterile conditions during neuroangiographies. We sought to differentiate between contamination of the outside of the syringes and the inside and to detect the frequency, extent and germ spectrum of bacterial contamination. (2) Methods: We prospectively collected 600 samples from 100 neuroangiographies. Per angiography, fluid samples from the three routinely used syringes as well as the syringes themselves were analyzed. We analyzed the frequency and extent of contamination and determined the germ spectrum. (3) Results: The majority of samples (56.9%) were contaminated. There was no angiography that showed no contamination (0%). The outer surfaces of the syringes were contaminated significantly more frequently and to a higher extent than the inner surfaces. Both the frequency and extent of contamination of the samples increased with longer duration of angiographic procedures. Most of the bacterial species were environmental or skin germs (87.7%). (4) Conclusions: Bacterial contamination is a frequent finding during neuroangiographies, although its clinical significance is believed to be small. Bacterial contamination increases with longer duration of angiographic procedures.

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Section: Discussionmentioning

confidence: 99%

Bacterial Contamination of Syringes and Fluids in Diagnostic and Interventional Neuroangiography

Wiesmann,

Honecker,

Fleu

et al. 2024

Tomography

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“…Studies with acetylsalicylic acid, air filters, or heparinization have already shown that a reduction in the number of silent ischemias during angiography is possible [ 9 , 24 ]. Refinement of angiographic methodology may also have an impact on the frequency of foreign body embolism [ 25 ].…”

Section: Discussionmentioning

confidence: 99%

Frequency and Pattern of MRI Diffusion Restrictions after Diagnostic Catheter Neuroangiography

et al. 2023

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(1) Background: We investigated the frequency, location, and lesion size of diffusion restrictions (DR) in magnetic resonance imaging (MRI) of asymptomatic patients after diagnostic angiography and assessed risk factors for their occurrence. (2) Methods: We analyzed diffusion-weighted images (DWI) of 344 patients undergoing diagnostic angiographies in a neuroradiologic center. Only asymptomatic patients who received a magnetic resonance imaging (MRI) examination within seven days after the angiography were included. (3) Results: Asymptomatic infarcts on DWI were identified in 17% of the cases after diagnostic angiography. In these 59 patients, a total of 167 lesions were noted. The diameter of the lesions was 1–5 mm in 128 lesions, and 5–10 mm in 39 cases. Dot-shaped diffusion restrictions were found most frequently (n = 163, 97.6%). None of the patients had neurological deficits during or after angiography. Significant correlations were found between the occurrence of lesions and patient age (p < 0.001), history of atherosclerosis (p = 0.014), cerebral infarction (p = 0.026), or coronary heart disease/heart attack (p = 0.027); and the amount of contrast medium used (p = 0.047) and fluoroscopy time (p = 0.033). (4) Conclusions: With an incidence of 17%, we observed a comparatively high risk for asymptomatic cerebral ischemia after diagnostic neuroangiography. Further measures to reduce the risk of silent embolic infarcts and improve the safety of neuroangiography are warranted.

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The Risk of Inadvertent Injection of Foreign Bodies in Angiography: Self-Reflective Assessment of Iatrogenic Risk

Nikolic

2021

Radiology

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Preventing Inadvertent Foreign Body Injection in Angiography

Cited by 3 publications

References 10 publications

Bacterial Contamination of Syringes and Fluids in Diagnostic and Interventional Neuroangiography

Bacterial Contamination of Syringes and Fluids in Diagnostic and Interventional Neuroangiography

Frequency and Pattern of MRI Diffusion Restrictions after Diagnostic Catheter Neuroangiography

The Risk of Inadvertent Injection of Foreign Bodies in Angiography: Self-Reflective Assessment of Iatrogenic Risk

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