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First successful treatment of a COVID-19 pregnant woman with severe ARDS by combining early mechanical ventilation and ECMO.

ABSTRACT: The novel coronavirus (COVID-19) has become a global pandemic outbreak. Patients with COVID-19 are prone to progress to acute respiratory distress syndrome (ARDS), and even severe ARDS with ineffective mechanical ventilation, and an extremely high mortality. Extracorporeal membrane oxygenation (ECMO) provides effective respiratory support and saves time for the treatment of severe COVID-19. The present study reports that a 31-year-old pregnant female infected by COVID-19, who suffered from fever, dyspnea, and rapid ARDS. The patient's pulmonary function gradually recovered by combining early mechanical ventilation and ECMO, and finally, this patient was successfully weaned from ECMO and the ventilator. No fibrosis lesions were found in the chest CT, and the patient recovered very well after leaving from the hospital for one month.

SUBMITTER: Hou L

PROVIDER: S-EPMC7441876 | biostudies-literature | 2021 Jan - Feb

REPOSITORIES: biostudies-literature

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First successful treatment of a COVID-19 pregnant woman with severe ARDS by combining early mechanical ventilation and ECMO.

Hou Liusheng L Li Mingxing M Guo Kai K Wang Weijia W Li Binfei B Li Jianwei J Yuan Yong Y

Heart & lung : the journal of critical care 20200821 1

The novel coronavirus (COVID-19) has become a global pandemic outbreak. Patients with COVID-19 are prone to progress to acute respiratory distress syndrome (ARDS), and even severe ARDS with ineffective mechanical ventilation, and an extremely high mortality. Extracorporeal membrane oxygenation (ECMO) provides effective respiratory support and saves time for the treatment of severe COVID-19. The present study reports that a 31-year-old pregnant female infected by COVID-19, who suffered from fever ...[more]

PMID: 32948334

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Project description:BackgroundLung-protective ventilation is key in bridging patients suffering from COVID-19 acute respiratory distress syndrome (ARDS) to recovery. However, resource and personnel limitations during pandemics complicate the implementation of lung-protective protocols. Automated ventilation modes may prove decisive in these settings enabling higher degrees of lung-protective ventilation than conventional modes.MethodProspective study at a Swiss university hospital. Critically ill, mechanically ventilated COVID-19 ARDS patients were allocated, by study-blinded coordinating staff, to either closed-loop or conventional mechanical ventilation, based on mechanical ventilator availability. Primary outcome was the overall achieved percentage of lung-protective ventilation in closed-loop versus conventional mechanical ventilation, assessed minute-by-minute, during the initial 7 days and overall mechanical ventilation time. Lung-protective ventilation was defined as the combined target of tidal volume <8 ml per kg of ideal body weight, dynamic driving pressure <15 cmH2O, peak pressure <30 cmH2O, peripheral oxygen saturation ≥88% and dynamic mechanical power <17 J/min.ResultsForty COVID-19 ARDS patients, accounting for 1,048,630 minutes (728 days) of cumulative mechanical ventilation, allocated to either closed-loop (n = 23) or conventional ventilation (n = 17), presenting with a median paO2/ FiO2 ratio of 92 [72-147] mmHg and a static compliance of 18 [11-25] ml/cmH2O, were mechanically ventilated for 11 [4-25] days and had a 28-day mortality rate of 20%. During the initial 7 days of mechanical ventilation, patients in the closed-loop group were ventilated lung-protectively for 65% of the time versus 38% in the conventional group (Odds Ratio, 1.79; 95% CI, 1.76-1.82; P < 0.001) and for 45% versus 33% of overall mechanical ventilation time (Odds Ratio, 1.22; 95% CI, 1.21-1.23; P < 0.001).ConclusionAmong critically ill, mechanically ventilated COVID-19 ARDS patients during an early highpoint of the pandemic, mechanical ventilation using a closed-loop mode was associated with a higher degree of lung-protective ventilation than was conventional mechanical ventilation.

Project description:BackgroundThe coronavirus disease 2019 (COVID-19) is an ongoing pandemic. Invasive mechanical ventilation (IMV) is essential for the management of COVID-19 with acute respiratory distress syndrome (ARDS). We aimed to assess the impact of compliance with a respiratory decision support system on the outcomes of patients with COVID-19-associated ARDS who required IMV.MethodsIn this retrospective, single-center, case series study, patients with COVID-19-associated ARDS who required IMV at Zhongnan Hospital of Wuhan University, China, from January 8th, 2020, to March 24th, 2020, with the final follow-up date of April 20th, 2020, were included. Demographic, clinical, laboratory, imaging, and management information were collected and analyzed. Compliance with the respiratory support decision system was documented, and its relationship with 28-day mortality was evaluated.ResultsThe study included 46 COVID-19-associated ARDS patients who required IMV. The median age of the 46 patients was 68.5 years, and 31 were men. The partial pressure of arterial oxygen (PaO2)/fraction of inspired oxygen (FiO2) ratio at intensive care unit (ICU) admission was 104 mmHg. The median total length of IMV was 12.0 (interquartile range [IQR]: 6.0-27.3) days, and the median respiratory support decision score was 11.0 (IQR: 7.8-16.0). To 28 days after ICU admission, 18 (39.1%) patients died. Survivors had a significantly higher respiratory support decision score than non-survivors (15.0 [10.3-17.0] vs. 8.5 (6.0-10.3), P = 0.001). Using receiver operating characteristic (ROC) curve to assess the discrimination of respiratory support decision score to 28-day mortality, the area under the curve (AUC) was 0.796 (95% confidence interval [CI]: 0.657-0.934, P = 0.001) and the cut-off was 11.5 (sensitivity = 0.679, specificity = 0.889). Patients with a higher score (>11.5) were more likely to survive at 28 days after ICU admission (log-rank test, P < 0.001).ConclusionsFor severe COVID-19-associated ARDS with IMV, following the respiratory support decision and assessing completion would improve the progress of ventilation. With a decision score of >11.5, the mortality at 28 days after ICU admission showed an obvious decrease.

Project description:BackgroundHerpesviridae reactivation among non-immunocompromised critically ill patients is associated with impaired prognosis, especially during acute respiratory distress syndrome (ARDS). However, little is known about herpes simplex virus (HSV) and Cytomegalovirus (CMV) reactivation occurring in patients with severe ARDS under veno-venous extracorporeal membrane oxygenation (ECMO). We tried to determine the frequency of Herpesviridae reactivation and its impact on patients' prognosis during ECMO for severe ARDS.ResultsDuring a 5-year period, 123 non-immunocompromised patients with a severe ARDS requiring a veno-venous ECMO were included. Sixty-seven patients (54%) experienced HSV and/or CMV reactivation during ECMO course (20 viral co-infection, 40 HSV alone, and 7 CMV alone). HSV reactivation occurred earlier than CMV after the beginning of MV [(6-15) vs. 19 (13-29) days; p < 0.01] and after ECMO implementation [(2-8) vs. 14 (10-20) days; p < 0.01]. In univariate analysis, HSV/CMV reactivation was associated with a longer duration of mechanical ventilation [(22-52.5) vs. 17.5 (9-28) days; p < 0.01], a longer duration of ECMO [15 (10-22.5) vs. 9 (5-14) days; p < 0.01], and a prolonged ICU [29 (19.5-47.5) vs. 16 (9-30) days; p < 0.01] and hospital stay [44 (29-63.5) vs. 24 (11-43) days; p < 0.01] as compared to non-reactivated patients. However, in multivariate analysis, viral reactivation remained associated with prolonged MV only. When considered separately, both HSV and CMV reactivation were associated with a longer duration of MV as compared to non-reactivation patients [29 (19.5-41) and 28 (20.5-37), respectively, vs. 17.5 (9-28) days; p < 0.05]. Co-reactivation patients had a longer duration of MV [58.5 (38-72.3); p < 0.05] and ICU stay [51.5 (32.5-69) vs. 27.5 (17.75-35.5) and 29 (20-30.5), respectively] as compared to patients with HSV or CMV reactivation alone. In multivariate analysis, HSV reactivation remained independently associated with a longer duration of MV and hospital length of stay.ConclusionsHerpesviridae reactivation is frequent among patients with severe ARDS under veno-venous ECMO and is associated with a longer duration of mechanical ventilation. The direct causative link between HSV and CMV reactivation and respiratory function worsening under ECMO remains to be confirmed.

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First successful treatment of a COVID-19 pregnant woman with severe ARDS by combining early mechanical ventilation and ECMO.

Publications

First successful treatment of a COVID-19 pregnant woman with severe ARDS by combining early mechanical ventilation and ECMO.

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