Penetrating Thoracic Trauma Index (PTTI) and Penetrating Cardiac Trauma Index (PCTI)

Organ

Injury

Estimate

lung

minor injury with thoracotomy tube only

1

minor injury with debridement and suturing

2

segmental resection OR major contusion

3

lobectomy

4

major tracheobronchial disruption OR injury at hilum OR pneumonectomy

5

cardiac

tangential, involving pericardium or myocardium up to the endocardium

1

single chamber on the right side

2

comminuted tears of a single chamber

3

single chamber on the left side OR multiple chambers

4

coronary artery injury OR major intracardiac defect

5

major blood vessels

ligation of an intercostals vessel

1

ligation of the internal mammary artery

2

primary repair of a major blood vessel

3

end-to-end anastomosis or patch graft

4

bypass or interposition grafting

5

esophagus

laceration of < 25% of the circumference

1

laceration of 25 to 50% of the circumference

2

lacteration > 50% of circumference

3

diagnosis 13 to 24 hours (delayed)

4

diagnosis > 24 hours (delayed)

5