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10.1007/s00330-020-07271-0

http://scihub22266oqcxt.onion/10.1007/s00330-020-07271-0
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33125559!7596627!33125559
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suck abstract from ncbi


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pmid33125559      Eur+Radiol 2021 ; 31 (5): 2726-2736
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  • Computed tomography semi-automated lung volume quantification in SARS-CoV-2-related pneumonia #MMPMID33125559
  • Ippolito D; Ragusi M; Gandola D; Maino C; Pecorelli A; Terrani S; Peroni M; Giandola T; Porta M; Talei Franzesi C; Sironi S
  • Eur Radiol 2021[May]; 31 (5): 2726-2736 PMID33125559show ga
  • OBJECTIVES: To evaluate a semi-automated segmentation and ventilated lung quantification on chest computed tomography (CT) to assess lung involvement in patients affected by SARS-CoV-2. Results were compared with clinical and functional parameters and outcomes. METHODS: All images underwent quantitative analyses with a dedicated workstation using a semi-automatic lung segmentation software to compute ventilated lung volume (VLV), Ground-glass opacity (GGO) volume (GGO-V), and consolidation volume (CONS-V) as absolute volume and as a percentage of total lung volume (TLV). The ratio between CONS-V, GGO-V, and VLV (CONS-V/VLV and GGO-V/VLV, respectively), TLV (CONS-V/TLV, GGO-V/TLV, and GGO-V + CONS-V/TLV respectively), and the ratio between VLV and TLV (VLV/TLV) were calculated. RESULTS: A total of 108 patients were enrolled. GGO-V/TLV significantly correlated with WBC (r = 0.369), neutrophils (r = 0.446), platelets (r = 0.182), CRP (r = 0.190), PaCO(2) (r = 0.176), HCO(3)(-) (r = 0.284), and PaO2/FiO2 (P/F) values (r = - 0.344). CONS-V/TLV significantly correlated with WBC (r = 0.294), neutrophils (r = 0.300), lymphocytes (r = -0.225), CRP (r = 0.306), PaCO(2) (r = 0.227), pH (r = 0.162), HCO(3)(-) (r = 0.394), and P/F (r = - 0.419) values. Statistically significant differences between CONS-V, GGO-V, GGO-V/TLV, CONS-V/TLV, GGO-V/VLV, CONS-V/VLV, GGO-V + CONS-V/TLV, VLV/TLV, CT score, and invasive ventilation by ET were found (all p < 0.05). CONCLUSION: The use of quantitative semi-automated algorithm for lung CT elaboration effectively correlates the severity of SARS-CoV-2-related pneumonia with laboratory parameters and the need for invasive ventilation. KEY POINTS: * Pathological lung volumes, expressed both as GGO-V and as CONS-V, can be considered a useful tool in SARS-CoV-2-related pneumonia. * All lung volumes, expressed themselves and as ratio with TLV and VLV, correlate with laboratory data, in particular C-reactive protein and white blood cell count. * All lung volumes correlate with patient's outcome, in particular concerning invasive ventilation.
  • |*COVID-19[MESH]
  • |*Pneumonia[MESH]
  • |Humans[MESH]
  • |Lung Volume Measurements[MESH]
  • |Lung/diagnostic imaging[MESH]
  • |Retrospective Studies[MESH]
  • |SARS-CoV-2[MESH]


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