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Table 1 Characteristics of pneumomediastinum cases

From: Pneumomediastinum: retrospective analysis of 19 cases and an innovation proposal in classification

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Age

Gender

Symptoms

History

Physical examination findings

Comorbidities

Additional radiological findings

Interventional diagnostic procedure

Etiology

Treatment approach

Surgical intervention

Hospital stay (day)

Recurrence

Mortality

1

46

Male

Neck pain, cough

After cough

Subcutaneous emphysema

0

Subcarinal lymph node

FOB

Secondary

Conservative

0

3

-

-

2

23

Male

Chest pain

After cough

0

0

0

FOB

Spontaneous

Conservative

0

2

-

-

3

83

Male

Dyspnea

Aftercough

0

Parkinson’s

Interstitial lung disease

FOB

Secondary

Conservative

0

2

+ (2 weeks after discharge)

+ (4th day after recurrence)

4

20

Male

Chest pain

After cough

0

0

0

FOB

Spontaneous

Conservative

0

2

-

-

5

21

Male

Chest pain, cough

After cough

0

0

0

FOB

Spontaneous

Conservative

0

3

-

-

6

34

Male

Chest pain

Trauma

Skin abrasion

0

0

FOB

Traumatic

Conservative

0

4

-

-

7

21

Male

Chest pain, cough

After cough

0

0

0

FOB

Spontaneous

Conservative

0

5

-

-

8

20

Male

Dyspnea

After cough

0

0

0

FOB

Spontaneous

Conservative

0

6

-

-

9

58

Male

Dyspnea

Transthoracic biopsy

Subcutaneous emphysema

Left pneumonectomy

Left pneumonectomy, right pneumothorax

FOB

Iatrogenic

Surgical intervention

Tube thoracostomy

3

-

-

10

20

Male

Chest and neck pain

After cough

0

0

0

FOB

Primary

Conservative

0

2

-

-

11

25

Male

Chest pain

After cough

Subcutaneous emphysema

0

0

FOB

Spontaneous

Conservative

0

3

-

-

12

25

Male

Dyspnea, hoarseness

After cough

Subcutaneous emphysema

0

0

FOB

Spontaneous

Surgical intervention

Pretracheal fasciotomy

4

-

-

13

34

Male

Chest and back pain, hoarseness

Postprandial

0

0

0

FOB + esophagoscopy

Spontaneous

Conservative

0

4

-

-

14

22

Female

Chest and neck pain

After cough

Subcutaneous emphysema

0

0

FOB+ esophagoscopy

Spontaneous

Conservative

0

4

-

-

15

23

Female

Difficulty swallowing

Trauma

0

0

0

FOB + esophagoscopy

Traumatic

Conservative

0

1

-

-

16

23

Female

Dyspnea

After cough

Subcutaneous emphysema

0

0

FOB

Spontaneous

Surgical intervention

Tube thoracostomy

5

-

-

17

21

Male

Chest pain, fever

After cough

Cryptic tonsillitis, Scalene lymphadenopathy

Retropharyngeal abscess

Retropharyngeal abscess

FOB

Secondary

Conservative

0

3

-

-

18

24

Male

Chest pain

After cough

Subcutaneous emphysema

0

0

FOB

Spontaneous

Conservative

0

1

-

-

19

49

Male

Dyspnea

Trauma

0

0

0

FOB

Traumatic

Surgical intervention

Pretracheal fasciotomy

3

-

-