Accidental placement of venous return catheter in the superior vena cava during venovenous extracorporeal membrane oxygenation for severe pneumonia: A case report

Table 1 Changes in red blood cells and hemoglobin monitored for 7 d after withdrawal of extracorporeal membrane oxygenation

	Day 1	Day 2	Day 3	Day 4	Day 5	Day 6	Day 7
RBCs, × 1012/L	3.53	3.83	3.53	3.50	3.18	3.05	3.33
Hb (g/L)	105	112	102	101	92	90	98

No significant decrease was observed, and no blood transfusion was required. RBCs: Red blood cells; Hb: Hemoglobin.