Pulmonary interstitial emphysema

Editor-In-Chief: Prab R Tumpati, MD
Obesity, Sleep & Internal medicine
Founder, WikiMD Wellnesspedia &
W8MD's weight loss doctor NYC
Philadelphia GLP-1 weight loss and GLP-1 clinic NYC

Pulmonary interstitial emphysema
Synonyms	PIE
Pronounce	N/A
Specialty	N/A
Symptoms	Respiratory distress, hypoxemia
Complications	Pneumothorax, pneumomediastinum
Onset	Usually in neonates
Duration	Variable
Types	N/A
Causes	Mechanical ventilation, premature birth
Risks	Preterm birth, respiratory distress syndrome
Diagnosis	Chest X-ray, CT scan
Differential diagnosis	Pneumonia, bronchopulmonary dysplasia
Prevention	Gentle ventilation strategies
Treatment	Supportive care, high-frequency ventilation, extracorporeal membrane oxygenation
Medication	N/A
Prognosis	Variable, depends on severity and underlying conditions
Frequency	More common in preterm infants
Deaths	N/A

Pulmonary interstitial emphysema (PIE) is a medical condition that primarily affects newborns, particularly those born prematurely. It is characterized by the abnormal accumulation of air in the connective tissue of the lungs.

Causes

PIE is most commonly caused by mechanical ventilation, a treatment often necessary for premature infants with underdeveloped lungs. Other causes can include pneumonia, bronchopulmonary dysplasia, and meconium aspiration syndrome.

Symptoms

Symptoms of PIE can vary, but often include difficulty breathing, rapid breathing, and a bluish skin color due to lack of oxygen. In severe cases, PIE can lead to pneumothorax, or a collapsed lung.

Diagnosis

Diagnosis of PIE is typically made through a chest X-ray, which can show abnormal pockets of air in the lungs. Other diagnostic tests can include a CT scan or ultrasound.

Treatment

Treatment for PIE often involves reducing the pressure of mechanical ventilation, if it is being used. In some cases, supplemental oxygen or other treatments may be necessary. In severe cases, surgery may be required.

Prognosis

The prognosis for infants with PIE can vary widely, depending on the severity of the condition and the presence of other health problems. With appropriate treatment, many infants can recover fully.

See also

• Bronchopulmonary dysplasia
• Pneumothorax
• Neonatology