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2020 ; 48
(10
): e971-e975
Nephropedia Template TP
gab.com Text
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Twit Text #
English Wikipedia
Venous Thromboembolism Events Following Venovenous Extracorporeal Membrane
Oxygenation for Severe Acute Respiratory Syndrome Coronavirus 2 Based on CT
Scans
#MMPMID32618700
Parzy G
; Daviet F
; Puech B
; Sylvestre A
; Guervilly C
; Porto A
; Hraiech S
; Chaumoitre K
; Papazian L
; Forel JM
Crit Care Med
2020[Oct]; 48
(10
): e971-e975
PMID32618700
show ga
OBJECTIVES: The main objective of the study was to determine the prevalence of
venous thromboembolism events in patients infected with severe acute respiratory
syndrome coronavirus 2 requiring venovenous extracorporeal membrane oxygenation.
The secondary objective was to compare venous thromboembolism events and
coagulation variables in patients requiring venovenous extracorporeal membrane
oxygenation according to the pathogen. DESIGN: Retrospective observational
analysis at a single center. SETTING: Tertiary referral university teaching
hospital. PATIENTS: Patients with severe acute respiratory syndrome coronavirus
2-related severe acute respiratory distress syndrome requiring venovenous
extracorporeal membrane oxygenation therapy with an injected CT scan performed
after extracorporeal membrane oxygenation retrieval. INTERVENTIONS: None.
MEASUREMENTS AND MAIN RESULTS: We included 13 severe acute respiratory syndrome
coronavirus 2 patients requiring venovenous extracorporeal membrane oxygenation.
All of these patients experienced venous thromboembolism: 10 patients (76.9%) had
isolated cannula-associated deep vein thrombosis, two patients (15.4%) had
isolated pulmonary embolism, and one patient (7.7%) had both cannula-associated
deep vein thrombosis and pulmonary embolism. Eleven patients (84.6%) had
cannula-associated deep vein thrombosis. A jugular associated cannula-associated
deep vein thrombosis was identified in seven patients (53.8%), a femoral
associated cannula-associated deep vein thrombosis was identified in 10 patients
(76.9%), and six patients (46.2%) had both femoral and jugular cannula-associated
deep vein thrombosis. A pulmonary embolism was found in three patients (23.1%).
No patient had central venous catheter-related deep vein thrombosis. One patient
had thrombotic occlusion of the centrifugal pump, and one had oxygenator
thrombosis requiring circuit replacement. Three patients (23.1%) had significant
bleeding. Three patients (23.1%) had laboratory-confirmed heparin-induced
thrombocytopenia, and all of them developed cannula-associated deep vein
thrombosis. These three patients had femoral cannula-associated deep vein
thrombosis, and two had an oxygenator or pump thrombosis. The mean activated
partial thromboplastin time ratio was higher in the severe acute respiratory
syndrome coronavirus 2 group than in the influenza group and the
community-acquired pneumonia group (1.91 vs 1.48 vs 1.53; p = 0.001), which was
also found in regard to the percentage of patients with an activated partial
thromboplastin time ratio greater than 1.8 (47.8% vs 20% vs 20.9%; p = 0.003) and
the mean prothrombin ratio (86.3 vs 61.6 vs 67.1; p = 0.003). There was no
difference in baseline characteristics or venous thromboembolism events.
CONCLUSIONS: We report a 100% occurrence of venous thromboembolism in critically
ill patients supported by venovenous extracorporeal membrane oxygenation for
severe acute respiratory syndrome coronavirus 2-related acute respiratory
distress syndrome using CT scan imaging despite a high target and close
monitoring of anticoagulation.