Lung ultrasound versus chest computed tomography for pregnant inpatients with COVID-19.
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Biancolin Sckarlet Ernandes, Dos Santos Fernandes Hermann, Sawamura Marcio Valente Yamada, Queiroz Joelma, Centofanti Sandra Frankfurt, Liao Adolfo Wenjaw, da Costa Leite Claudia, Francisco Rossana Pulcineli Vieira, de Lourdes Brizot Maria, And the HC-FMUSP-Obstetric COVID19 Study Group: Aline Scalisse Bassi, Amanda Wictky Fabri, Ana Claudia Rodrigues Lopes Amaral de Souza, Ana Claudia Silva Farche, Ana Maria Kondo Igai, Ana Maria da Silva Sousa Oliveira, Adriana Lippi Waissman, Carlos Eduardo do Nascimento Martins, Cristiane de Freitas Paganoti, Danielle Rodrigues Domingues, Fernanda Cristina Ferreira Mikami, Fernanda Spadotto Baptista, Jacqueline Kobayashi Cippiciani, Jéssica Gorrão Lopes Albertini, Juliana Ikeda Niigaki, Marco Aurélio Knippel Galletta; Mariana Yumi Miyadahira, Mariana Vieira Barbosa, Mariane de Fátima Yukie Maeda, Monica Fairbanks de Barros, Nilton Hideto Takiuti, Silvio Martinelli, Tiago Pedromonico Arrym, Ursula Trovato Gomez, Veridiana Freire Franco
Аннотация
METHODS: Prospective study comprising 39 pregnant inpatients with COVID-19 who underwent pulmonary assessment with CT and US with a maximum span of 48 h between the exams. The thorax was divided into 12 regions and assessed in terms of the following: the presence of B-lines (>2), coalescent B-lines, consolidation on US; presence of interlobular thickening, ground glass, consolidation on CT. The two methods were scored by adding up the scores from each thoracic region.
RESULTS: A significant correlation was found between the scores obtained by the two methods (rICC = 0.946; p < 0.001). They were moderately in agreement concerning the frequency of altered pulmonary regions (weighted kappa = 0.551). In US, a score over 15, coalescent B-lines, and consolidation were predictors of the need for oxygen, whereas the predictors in CT were a lung score over 16 and consolidation. The two methods, US (p < 0.001; AUC = 0.915) and CT (p < 0.001; AUC = 0.938), were fairly accurate in predicting the need for oxygen.
CONCLUSION: In pregnant women, lung US and chest CT are of similar accuracy in assessing lungs affected by COVID-19 and can predict the need for oxygen.