tetano
Editor, Senior Moderator
Radiat Prot Dosimetry
. 2020 Jul 31;ncaa106.
doi: 10.1093/rpd/ncaa106. Online ahead of print.
Repeat Chest Ct Scans In Moderate-to-Severe Patients' Management During the Covid-19 Pandemic: Observations From a Single Centre in Wuhan, China
Lang Chen[SUP] 1 [/SUP], Qiuxia Wang[SUP] 1 [/SUP], Hongyu Wu[SUP] 1 [/SUP], Junwu Hu[SUP] 1 [/SUP], Jing Zhang[SUP] 1 [/SUP]
Affiliations
Abstract
Objective: To observe the rates of repeated computed tomographic scans (CTs) in a cohort of patients with coronavirus disease-2019 (COVID-19) and to assess the validity of repeat CTs.
Methods: Each CT was recorded, and the validity of the repeated CTs was assessed.
Results: The 394 patients underwent a total of 1493 CTs. Of the 394 patients, 260 received at least one non-value-added CT. Both the total number of CTs (median, 4; interquartile range (IQR), 3-5) and non-value-added CTs (median, 1; IQR, 0-1) per patient were strongly related to the disease duration (R2 = 0.566 for total CTs, R2 = 0.432 for non-value-added CTs, p < 0.001). The proportion of non-value-added CTs was potentially higher after 3 weeks from symptom onset (>35%).
Conclusions: There was a high rate of repeat CTs for the COVID-19 patients, and the proportion of non-value-added CTs increased with disease duration. Follow-up CT should be avoided without clinical decline.
Advances in knowledge: As COVID-19 is impacting healthcare systems across the globe, we believe in our findings that serial chest CT imaging has limited clinical utility in basically stable COVID-19 patients, will help relieve some of this burden.
. 2020 Jul 31;ncaa106.
doi: 10.1093/rpd/ncaa106. Online ahead of print.
Repeat Chest Ct Scans In Moderate-to-Severe Patients' Management During the Covid-19 Pandemic: Observations From a Single Centre in Wuhan, China
Lang Chen[SUP] 1 [/SUP], Qiuxia Wang[SUP] 1 [/SUP], Hongyu Wu[SUP] 1 [/SUP], Junwu Hu[SUP] 1 [/SUP], Jing Zhang[SUP] 1 [/SUP]
Affiliations
- PMID: 32734297
- DOI: 10.1093/rpd/ncaa106
Abstract
Objective: To observe the rates of repeated computed tomographic scans (CTs) in a cohort of patients with coronavirus disease-2019 (COVID-19) and to assess the validity of repeat CTs.
Methods: Each CT was recorded, and the validity of the repeated CTs was assessed.
Results: The 394 patients underwent a total of 1493 CTs. Of the 394 patients, 260 received at least one non-value-added CT. Both the total number of CTs (median, 4; interquartile range (IQR), 3-5) and non-value-added CTs (median, 1; IQR, 0-1) per patient were strongly related to the disease duration (R2 = 0.566 for total CTs, R2 = 0.432 for non-value-added CTs, p < 0.001). The proportion of non-value-added CTs was potentially higher after 3 weeks from symptom onset (>35%).
Conclusions: There was a high rate of repeat CTs for the COVID-19 patients, and the proportion of non-value-added CTs increased with disease duration. Follow-up CT should be avoided without clinical decline.
Advances in knowledge: As COVID-19 is impacting healthcare systems across the globe, we believe in our findings that serial chest CT imaging has limited clinical utility in basically stable COVID-19 patients, will help relieve some of this burden.