Table 2 Pneumomediastinum associated symptoms and clinical outcomes

1

Hemodynamic instability

HR 170; BP 126/79; SPO₂ 95%; FIO₂ 60%; PEEP 5; PIP 22

 h 110; BP 102/56; SPO₂ 97%; FIO₂ 40%; PEEP 4; PIP 21

4 h

Drain removal on day 13. No complication.

Discharged from hospital after 16 days. No recurrence.

2

Respiratory failure

HR 110; BP 102/79; SPO₂ 90%; FIO₂ 80%; PEEP 5; PIP 24

 h 105; BP 98/60; SPO₂ 99%; FIO₂ 40%; PEEP 4; PIP 21

2 h

Drain removal on day 6. No complication.

Discharged from hospital after 8 days. No recurrence.

3

Hemodynamic instability

HR 162; BP 136/97; SPO₂ 97%;

HR 98; BP 111/77; SPO₂ 98%;

2 h

Drain removal on day 5. No complication.

Discharged from hospital after 7 days. No recurrence.

4

Hemodynamic instability

HR 60; BP 73/55; SPO₂ 97%; FIO₂ 50%; PEEP 5; PIP 26

 h 105; BP 102/73; SPO₂ 99%; FIO₂ 50%; PEEP 5; PIP 24

1 h

Drain removal on day 6. No complication.

Discharged from hospital after 16 days. No recurrence.

5

Hemodynamic instability

HR 65; BP 77/61; SPO₂ 98%; FIO₂ 45%; PEEP 5; PIP 20

 h 105; BP 102/73; SPO₂ 99%; FIO₂ 45%; PEEP 5; PIP 20

2 h

Drain removal on day 5. No complication.

Discharged from hospital after 14 days. No recurrence.

6

Hemodynamic instability

HR 200; BP 99/67; SPO₂ 99%; FIO₂ 40%; PEEP 5; PIP 17

 h 153; BP 80/55; SPO₂ 99%; FIO₂ 40%; PEEP 5; PIP 16

3 h

Drain removal on day 3. No complication.

Discharged from hospital after 7 days. No recurrence.

7

Hemodynamic instability

HR 133; BP 138/99; SPO₂ 96%; FIO₂ 60%; PEEP 6; PIP 30

 h 90; BP 108/79; SPO₂ 98%; FIO₂ 60%; PEEP 5; PIP 28

5 h

Drain removal on day 2. No complication.

Discharged from hospital after 6 days. No recurrence.

8

Respiratory failure

HR 150; BP 76/50; SPO₂ 90%; FIO₂ 70%; PEEP 5; PIP 16

 h 140; BP 79/53; SPO₂ 99%; FIO₂ 50%; PEEP 4; PIP 14

2 h

Drain removal on day 5. No complication.

Discharged from hospital after 11 days. No recurrence.

9

Respiratory failure

HR 120; BP 89/60; SPO₂ 87%; FIO₂ 80%; PEEP 5; PIP 21

 h 110; BP 80/53; SPO₂ 95%; FIO₂ 60%; PEEP 4; PIP 18

2 h

Drain removal on day 10. No complication.

Discharged from hospital after 25 days. No recurrence.

10

Hemodynamic instability

HR 63; BP 60/39; SPO₂ 95%; FIO₂ 40%; PEEP 5; PIP 22

 h 85; BP 95/63; SPO₂ 95%; FIO₂ 40%; PEEP 4; PIP 20

4 h

Drain removal on day 7. No complication.

Discharged from hospital after 14 days. No recurrence.

11

Hemodynamic instability

HR 55; BP 58/33; SPO₂ 97%;

HR 80; BP 98/65; SPO₂ 98%;

2 h

Drain removal on day 4. No complication.

Discharged from hospital after 11 days. No recurrence.

12

Respiratory failure

HR 88; BP 90/57; SPO₂ 87%; FIO₂ 75%; PEEP 5; PIP 25

 h 85; BP 95/63; SPO₂ 95%; FIO₂ 45%; PEEP 4; PIP 22

6 h

Drain removal on day 11. No complication.

Discharged from hospital after 17 days. No recurrence.

13

Hemodynamic instability

HR 205; BP 96/76; SPO₂ 98%; FIO₂ 45%; PEEP 5; PIP 14

 h 140; BP 75/53; SPO₂ 99%; FIO₂ 45%; PEEP 5; PIP 14

5 h

Drain removal on day 3. No complication.

Discharged from hospital after 10 days. No recurrence.

14

Hemodynamic instability

HR 139; BP 137/99; SPO₂ 98%; FIO₂ 40%; PEEP 5; PIP 25

 h 103; BP 108/76; SPO₂ 99%; FIO₂ 40%; PEEP 5; PIP 24

4 h

Drain removal on day 13. No complication.

Discharged from hospital after 16 days. No recurrence.

15

Hemodynamic instability

HR 170; BP 123/77 SPO₂ 97%;

HR 125; BP 98/65; SPO₂ 98%;

4 h

Drain removal on day 5. No complication.

Discharged from hospital after 9 days. No recurrence.

16

Hemodynamic instability

HR 180; BP 99/79; SPO₂ 95%; FIO₂ 40%; PEEP 4; PIP 17

 h 110; BP 102/56; SPO₂ 97%; FIO₂ 40%; PEEP 4; PIP 16

4 h

Drain removal on day 6. No complication.

Discharged from hospital after 10 days. No recurrence.

17

Hemodynamic instability

HR 156; BP 139/87; SPO₂ 97%;

HR 106; BP 102/77; SPO₂ 98%;

3 h

Drain removal on day 4. No complication.

Discharged from hospital after 12 days. No recurrence.

18

Hemodynamic instability

HR 207; BP 98/70; SPO₂ 98%; FIO₂ 45%; PEEP 4; PIP 15

 h 207; BP 98/70; SPO₂ 98%; FIO₂ 45%; PEEP 4; PIP 15

4 h

Drain removal on day 8. ECMO was withdrawn on day 8. No complication. Discharged from hospital after 23 days. No recurrence.

19

Hemodynamic instability

HR 180; BP 66/44; SPO₂ 98%; FIO₂ 40%; PEEP 4; PIP 16

 h 147; BP 87/55; SPO₂ 99%; FIO₂ 40%; PEEP 4; PIP 16

3 h

Drain removal on day 7. No complication.

Discharged from hospital after 15 days. No recurrence.