COPD

 COPD

	Predominant Emphysema (Pink Puffer)	Predominant Bronchitis (Blue Bloater)
Age	60	50
Dyspnea	Severe ABGA에 비해 심함	Mild ABGA에 비해 심하지 않음,
Cough	Dyspnea 후	Dyspnea 전
Sputum	Scanty, Mucoid	Copious, Purulent
Infection	Less frequent	More frequent
Respiratory insuffiency	Often Terminal	Repeated
Chest Film	Hyperinflation flat diaphragm, small heart	Bronchovascular marking increased at base, Large Heart (RVH)
PaCo2	35~40	50~60 (↓)
PaO2	65~75	45~60 (↓)
Hct(%)	35~45	50~55(secondary polycythemia)
Pulmonary Hypertension	Rest : None to mild Exercise : Moderate	Rest : Moderate to severe Exercise : Worsen
Cor Pulmonale	Rare	Common
Elastic recoil	↓↓(compliance ↑)	Normal
Dynamic lung Compliance	N to ↓	N
Inspiratory airway resist.	N to ↑	↑↑
DLco	↓↓	N to ↓
Cyanosis	(-)	(+)
Weight	Weight loss	Overweight

A : Pink Puffer, B : Blue Bloater

Emphysema : 기능은 그럭저럭 좋음. 다만 숨쉬기가 힘들 뿐

Chronic Bronchitis : 기능부전에 의한 보상에 의해 피해가 큼

 

폐기능 검사	Emphysema	Chronic Bronchitis
VC	N to ↓	↓ ↓
TLC	↑	N
FRC	↑	↑
RV	↑	↑ ↑
FEV1/FVC	↓ ↓	↓ ↓
MEFR	↓ ↓	↓ ↓