This document discusses diaphragmatic injury, including its etiology, associated injuries, signs and symptoms, diagnostic approaches, and management. The majority of diaphragmatic injuries are caused by penetrating trauma, most commonly stab wounds or gunshots. Left-sided injuries are more often associated with blunt trauma from high pressure to the chest or abdomen. Common associated injuries include damage to the spleen, ribs, liver, lungs, head, pelvis, and bowels. Diagnosis can be made through chest x-rays, ultrasound, CT scans, or laparoscopy. Surgical repair is usually required to suture tear sizes over 2 cm. Complications include herniation of abdominal organs into the chest and pulmonary issues if left
7. MECHANISM OF INJURY
Penetrating injury
stabs, gunshot, shotgun and impalements
Small wound (1-3 cm.)
Blunt injury
More common in left side (3-4 times)
Posterolateral aspect
Blunt force to abdomen or chest elevate
pressure > +150-200 cmH2O
Wound size 5-10 cm.
8. SIGN AND SYMPTOM
Early
Shortness of breath
Dyspnea
Decreased breath sound
Paradoxical movement of chest wall
Late
Abdominal pain
Clinical of gut obstruction
Audible bowel sound from chest area
9. DIAGNOSTIC
Suspected DI in patient with
Blunt injury
Blunt thoracic or abdomen injury
Multiple fracture lower rib
Penetrating injury
Thoracoabdominal area (T4-T12)
Delayed presentation
Herniation of abdominal organ
10. WORK UP
Chest radiography
Ultrasound
Computer tomography
Magnetic resonance imagine
Laparoscopy
Explore-Laparotomy
11. CHEST RADIOGRAPHY
Visualization of the stomach or other
abdominal organs in the chest
Elevation of the diaphragm
Lack of clarity of the hemidiaphragm
Abnormal positioning of a nasogastric tube
Basilar atelectasis
Hemothorax from bleeding in the abdomen
14. ULTRASOUND
FAST
not standardized and a negative study
cannot be used to exclude the diagnosis
Finding
discontinuity of diaphragm
Hernia
Floating diaphragm
Nonvisualized diaphragm
15. DPL
To improve its sensitivity for diagnosing
diaphragmatic injuries in penetrating
thoracoabdominal trauma, many clinicians
have modified the red blood count (RBC)
criteria, accepting lower RBC counts
(>10,000/mm3) to decrease the rate of false
negative results.
16. CT
Discontinuity of the diaphragm
Herniation of the abdominal contents into the chest
Abnormal positioning of a nasogastric tube
Waist-like constriction of bowel
Viscera (liver, stomach) are in direct contact with the
posterior ribs
Contiguous injury from one side of the diaphragm to
the other (ie, left pulmonary laceration and splenic
laceration)
Sensitivity 82-87 % Specificity 72-99 % - in blunt
abdominal injury