Research Article

The Use of Dornase Alfa in the Management of COVID-19-Associated Adult Respiratory Distress Syndrome

Table 2

Characteristics of the first 10 patients, including changes in the ventilator requirements and PaO2/FiO2 ratio (ventilatory and clinical features of critically ill patients with COVID-19 infection and ARDS treated with dornase alfa).

Patient IPatient IIPatient IIIPatient IVPatient VPatient VIPatient VIIPatient VIIIPatient IXPatient X

Age72684862684248557935

SexMMFMFMMMMM
ComorbiditiesRenal transplant, type II DM, prior history of malignancyPAF, type II DMHTNCAD with prior STEMIPulmonary fibrosisCM

COVID+ by RT-PCRYesYesYesYesYesYesNoNoYesNo
Remdesivir useYesYesYesNoNoNoNoNoNoNo

Respiratory support (before)
Pressure (cmH2O)
Volume (mL)
PCV: 28/12PRVC
TV: 450 mL
VR: 32 bpm
PEEP: 14
PRVC
TV: 450 mL
VR: 30 bpm
PEEP: 16
HFNCHFNCBiPapPRVC
TV: 450 mL
VR: 22 bpm
PEEP: 12
BiPapPCV
22/12
PRVC
TV: 450 mL
VR: 22 bpm
PEEP: 10

Respiratory support (after)
Pressure (cmH2O)
Volume (mL)
SIMV
TV: 500 mL
Rate: 10 bpm
PEEP: 5
PS: 10
SIMV
TV: 500 mL
Rate: 15 bpm
PEEP: 5
PS: 16
PRVC
TV: 480 mL
Rate: 30 bpm
PEEP: 10
NCNCNCNCNCPCV: 16/8NC

PaO2 (mmHg)/FiO2 (%) before138 (69/50)240 (120/50)84 (100/84)76 (61/80)150 (60/40)208 (104/50)89 (80/90)75 (100/75)148 (89/60)90 (90/100)

PaO2 (mmHg)/FiO2 (%) after202 (101/50)350 (140/40)133 (80/60)275 (88/32)206 (66/32)450 (144/32)272 (87/32)317 (114/36)405 (243/60)263 (84/32)

% increase in PaO2/FiO246.3845.8358.33261.8437.33116.35205.62322.67173.65192.22
No. of treatments916144434427
Extubateds/p trachYesYesN/AN/AN/AYesN/ANoYes

Discharged from ICUYesYesYesYesYesYesYesYesNoYes

Abbreviations: PAF: paroxysmal atrial fibrillation; DM: diabetes mellitus; CM: cardiomyopathy; CAD: coronary artery disease; STEMI: ST-elevation myocardial infarction; ICU: intensive care unit; PCV: pressure-controlled ventilation; PRVC: pressure-regulated volume control; HFNC: high-flow nasal cannula; NC: nasal cannula; SIMV: synchronized intermittent mandatory ventilation; TV: tidal volume; PEEP: positive end-expiratory pressure; PS: pressure support; VR: ventilatory rate; BPM: breaths per minute.