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2021 ; 27
(1
): 48-53
Nephropedia Template TP
gab.com Text
Twit Text FOAVip
Twit Text #
English Wikipedia
Initial data from an experiment to implement a safe procedure to perform PA erect
chest radiographs for COVID-19 patients with a mobile radiographic system in a
"clean" zone of the hospital ward
#MMPMID32517970
Sng LH
; Arlany L
; Toh LC
; Loo TY
; Ilzam NS
; Wong BSS
; Lanca L
Radiography (Lond)
2021[Feb]; 27
(1
): 48-53
PMID32517970
show ga
INTRODUCTION: With the current Covid-19 pandemic, general wards have been
converted into cohort wards for Covid-19 patients who are stable and ambulant. A
2-radiographer mobile radiography team is required to perform bedside Chest
X-rays (CXR) for these patients. Hospital guidelines require both radiographers
to be in full Personal Protective Equipment (PPE) throughout the image
acquisition process and the mobile radiographic unit needs to be disinfected
twice after each case. This affects the efficiency of the procedure and an
increase usage of limited PPE resources. This study aims to explore the
feasibility of performing mobile chest radiography with the mobile radiographic
unit in a "clean" zone of the hospital ward. METHODS: An anthropomorphic body
phantom was used during the test. With the mobile radiographic unit placed in a
"clean" zone, the phantom and the mobile radiographic unit was segregated by the
room door with a clear glass panel. The test was carried out with the room door
open and closed. Integrated radiation level and patient dose were measured. A
consultant radiologist was invited to review and score all the images acquired
using a Barco Medical Grade workstation. The Absolute Visual Grading Analysis
(VGA) scoring system was used to score these images. RESULTS: A VGA score of 4
was given to all the 40 test images, suggesting that there is no significant
differences in the image quality of the images acquired using the 2 different
methods. Radiation exposure received by the patient at the highest kV setting
through the glass is comparable to the regular CXR on patient without glass panel
at 90 kV, suggesting that there is no significant increase in patient dose.
CONCLUSION: The result suggests that acquiring CXR with the X-ray beam
attenuating through a glass panel is a safe and feasible way of performing CXR
for COVID-19 patients in the newly converted COVID wards. This will allow the
mobile radiographic unit as well as one radiographer to be completely segregated
from the patient. IMPLICATIONS FOR PRACTICE: This new method of acquiring CXR in
an isolation facility set up requires a 2-Radiographer mobile radiography team,
and is applicable only for patients who are generally well and not presented with
any mobility issues. It is also important to note that a clear glass panel must
be present in the barriers set up for segregation between the "clean" zone and
patient zone in order to use this new method of acquiring CXR.