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全尺寸实验性胸外科综合手术室空气分布的数值与实验研究

Numerical and experimental investigation of air distribution in a full-scale experimental barn-integrated operating room for general thoracic surgery.

作者信息

Jiang Yan, Yang Yongmei, Li Xiaoying, Xu Chao, Chen Zan, Yan Jianmin, Liu Yanmin, Zhou Xiao

机构信息

Department of Thoracic Surgery, Shanghai Pulmonary Hospital, Tongji University School of Medicine, Shanghai, China.

Department of Infrastructure Management, Shanghai Pulmonary Hospital, Tongji University School of Medicine, Shanghai, China.

出版信息

Ann Transl Med. 2020 Jun;8(12):759. doi: 10.21037/atm-20-4349.

DOI:10.21037/atm-20-4349
PMID:32647684
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC7333149/
Abstract

BACKGROUND

Barn-integrated operating rooms have been used in an effort to save space and improve operating room efficiency during orthopedic surgeries. This study aimed to investigate the feasibility of performing several thoracic surgeries in a barn-integrated operating room simultaneously.

METHODS

Both numerical simulation and field measurement approaches were applied to evaluate the performance of the ventilation system for the barn-integrated operating room. Computational fluid dynamics (CFD) method was applied to simulate airflow velocity field and particle concentration field. On-site test of airflow velocities were measured with a thermal anemometer. Bacteria-carrying particle (BCP) deposition and distribution was estimated using passive air sampling (PAS) and active air sampling (AAS) methods during mock surgeries.

RESULTS

The airflow distribution and concentration contours showed the barn-integrated operating room to be highly effective in controlling the concentration of airborne bacteria in the operating fields. The airflow and bacteria count met the current standard of GB50333-2013 Specifications, and there was no evidence of air mixing between cabins.

CONCLUSIONS

A barn-integrated operating room with several ultraclean operating tables in a single room would be a viable proposition for general thoracic surgeries in the future. As well as achieving a satisfactory level of contamination control, such an approach would reduce operating costs.

摘要

背景

为了节省空间并提高骨科手术期间的手术室效率，已采用了与畜舍整合的手术室。本研究旨在调查在与畜舍整合的手术室中同时进行多台胸外科手术的可行性。

方法

采用数值模拟和现场测量方法来评估与畜舍整合的手术室通风系统的性能。应用计算流体动力学（CFD）方法模拟气流速度场和颗粒浓度场。用热风速仪对气流速度进行现场测试。在模拟手术期间，使用被动空气采样（PAS）和主动空气采样（AAS）方法估计携带细菌颗粒（BCP）的沉积和分布。

结果

气流分布和浓度等值线表明，与畜舍整合的手术室在控制手术区域空气中细菌浓度方面非常有效。气流和细菌数量符合现行的GB50333-2013《规范》标准，且没有证据表明各手术间之间存在空气混合。

结论

在未来，一个单房间内配备多个超净手术台的与畜舍整合的手术室对于普通胸外科手术来说将是一个可行的方案。这种方法不仅能实现令人满意的污染控制水平，还能降低手术成本。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/ef6e/7333149/e6732d868add/atm-08-12-759-f9.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/ef6e/7333149/f54c28bf0258/atm-08-12-759-f1.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/ef6e/7333149/49b8b99117fd/atm-08-12-759-f2.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/ef6e/7333149/dc2175a0b366/atm-08-12-759-f3.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/ef6e/7333149/1459d4313595/atm-08-12-759-f4.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/ef6e/7333149/2f2e8980ab48/atm-08-12-759-f5.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/ef6e/7333149/14ae06588705/atm-08-12-759-f6.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/ef6e/7333149/94ee066e5fd8/atm-08-12-759-f7.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/ef6e/7333149/a812f51f37a9/atm-08-12-759-f8.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/ef6e/7333149/e6732d868add/atm-08-12-759-f9.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/ef6e/7333149/f54c28bf0258/atm-08-12-759-f1.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/ef6e/7333149/49b8b99117fd/atm-08-12-759-f2.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/ef6e/7333149/dc2175a0b366/atm-08-12-759-f3.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/ef6e/7333149/1459d4313595/atm-08-12-759-f4.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/ef6e/7333149/2f2e8980ab48/atm-08-12-759-f5.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/ef6e/7333149/14ae06588705/atm-08-12-759-f6.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/ef6e/7333149/94ee066e5fd8/atm-08-12-759-f7.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/ef6e/7333149/a812f51f37a9/atm-08-12-759-f8.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/ef6e/7333149/e6732d868add/atm-08-12-759-f9.jpg

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Risk of airborne transmission in an operating theatre containing four ultraclean air units.
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