Quantitative assessment of environmental blood contamination in interventional radiology operating rooms: A cross-sectional study.

IF 2.6 3区医学 Q2 INFECTIOUS DISEASES

American journal of infection control Pub Date : 2026-06-27 DOI:10.1016/j.ajic.2026.06.022

Xuewei Du, Huiqing Guo, Yun Chen, Qinglan Meng, Min Liu, Xinru Lu, Xinfang Shi, Chang Liu, Li Li

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引用次数: 0

Abstract

Background: Health care-associated infections remain a global threat to patient safety, with contaminated environmental surfaces serving as important pathogen transmission vectors. Interventional radiology operating rooms are high-frequency blood exposure settings, yet quantitative contamination data remain scarce. This study applied a quantitative occult blood detection method to assess environmental blood contamination in interventional operating rooms.

Methods: A quantitative occult blood detection method (HGBTEST WIPES with AI-based image analysis) measured hemoglobin residues at 142 sampling sites (44 operating tables, 37C-arms, 61 other surfaces) across 4 operating rooms at a tertiary hospital. Contamination levels were graded using quartile-based thresholds.

Results: Environmental blood contamination was widespread (median: 62.21 μg/cm², interquartile range [IQR]: 41.37-96.94; mean ± SD: 142.75 ± 337.77; range: 1.23-3026.98 μg/cm²). Operating tables showed the highest contamination (median: 71.19 μg/cm², IQR: 38.47-120.25), followed by other surfaces (median: 66.60 μg/cm², IQR: 46.09-101.02) and C-arms (median: 57.99 μg/cm², IQR: 39.42-67.54).

Conclusions: This study reveals distribution patterns of environmental blood contamination in interventional radiology operating rooms and proposes 3 hypothetical contamination pathways. The Pareto distribution pattern suggests optimized resource allocation through targeted cleaning, while the proposed pathways indicate the necessity of differentiated prevention strategies for improving environmental quality.

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介入放射科手术室环境血液污染定量评估：一项横断面研究。

背景：卫生保健相关感染仍然是对患者安全的全球性威胁，受污染的环境表面是重要的病原体传播媒介。介入放射科手术室是高频率血液暴露的场所，但定量污染数据仍然很少。本研究应用潜血定量检测法评价介入手术室环境血液污染。方法：采用定量潜血检测方法（HGBTEST®WIPES与基于人工智能的图像分析）测量了某三级医院四间手术室142个采样点（44个手术台，37个c型臂，61个其他表面）的血红蛋白残留量。采用基于四分位数的阈值对污染水平进行分级。结果：血液环境污染普遍存在（中位数：62.21 μg/cm²，IQR: 41.37 ~ 96.94；平均值±SD: 142.75±337.77；范围：1.23 ~ 3026.98 μg/cm²）。手术台上污染程度最高（中位数为71.19 μg/cm²，IQR值为38.47 ~ 120.25），其次是其他表面（中位数为66.60 μg/cm²，IQR值为46.09 ~ 101.02）和c臂（中位数为57.99 μg/cm²，IQR值为39.42 ~ 67.54）。结论：本研究揭示了介入放射科手术室环境血液污染的分布规律，并提出了三种假设的污染途径。帕累托分布模式建议通过有针对性的清洁来优化资源配置，而所提出的路径则表明有必要采取差异化的预防策略来改善环境质量。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

American journal of infection control 医学-传染病学

CiteScore

7.40

自引率

4.10%

发文量

479

审稿时长

24 days

期刊介绍： AJIC covers key topics and issues in infection control and epidemiology. Infection control professionals, including physicians, nurses, and epidemiologists, rely on AJIC for peer-reviewed articles covering clinical topics as well as original research. As the official publication of the Association for Professionals in Infection Control and Epidemiology (APIC)