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Table 4 Hemodynamic and respiratory parameters before and after high-flow nasal cannula therapy (n = 20)

From: Physiological impact of high-flow nasal cannula therapy on postextubation acute respiratory failure after pediatric cardiac surgery: a prospective observational study

Parameters Pre-HFNC Post-HFNC p value
RR (breaths per minute) 43.5 (32.0–54.8) 28.5 (21.0–40.5) 0.0008
PaCO2 (mmHg) 46.4 (41.1–55.9) 46.0 (42.1–51.9) 0.05
SaO2 (%) 92.9 (77.5–97.1) 95.1 (3.0–98.9) 0.15
SBP (mmHg) 87.5 (77.8–103.5) 76.0 (70.3–85.0) 0.003
HR (beats per minute) 143.5 (111.3–155.8) 117.5 (109.5–143.0) 0.34
Lactate (mmol/l) 1.1 (0.5–1.7) 1.0 (0.8–1.5) 0.21
  1. HFNC high-flow nasal cannula, RR respiratory rate, PaCO 2 partial pressure of arterial carbon dioxide, SaO 2 arterial oxygen saturation, SBP systolic blood pressure, HR heart rate