COPD triple therapy
LAMA
LABA
ICS
Indication of ICS
> 300 eosinophil
X ray finding of emphysema
Hyperinflation
Flattening of diaphragm
lung look more black
Pulmonary vasculature decreased
Tubular heart
HRCT of emphysema
Bullae +
Mc complication of emphysema
Cor pulmonale
Rupture of bullae in known cigarette smoker emphysema develop
Spontaneous pneumothorax
X ray of chronic bronchitis
increase bronchovascular marking
dirty look
Tall , Thin smoker . decrease exercise intolerance , breathlessness
- Tachypnoea
- Accessory Muscle Working excessively ( sternocleidomastoid )
- Sitting in tripod position
- Barrel shaped chest ( AP > Transverse )
- liver may not palpable
- CYNOSIS ABSENT
- Cachexia
- BITEMPORAL MUSCLE WASTING
- Diffuse loss of sc fat
- HOOVER SIGN : Paradoxical inward movement of ribcage
PINK PUFFERS
Emphysema
Ix of emphysema
1.Spirometry : FEV1/FVC < 0.7
- RC , TLC , FRC increased
2.HRCT : Bulla
3.X ray - Hyperinflation
4.DLCO decrease
5.ABG : pO2 & pCO2 reduced
Type 1 RS failure
Tx of emphysema
1.Nicotine deaddiction
- Nicotine buccal spray
- Varenicline ( alfa4 beta2 partial agonist of nicotine receptor )
- Bupropion
2. Video assisted thoracoscopic Sx : Bullectomy
3. Low flow O2
4. stop smoking
5. TOC : Lung Transplantation
Mcc Ix of lung transplantation
Idiopathic Pulmonary Fibrosis
Fat / obese smoker
- cough
- bronchorrhea
- Halitosis
- hemoptysis -+
-CLUBBING ABSENT (+ if lung cancer )
- inspiratory & expiratory ronchi
- BLUE BLOATERS
Chronic Bronchitis
Ix of Chronic Bronchitis
1.Spirometry : FEV1/FVC < 0.7
not increase after give salbutamol
2.CXR : increased bronchovascular marking / dirty lung
3. IOC : HRCT
4. DLCO : Normal
5. ABG : pO2 reduced , pO2 elevated
Type 2 RS failure
Tx of Chronic Bronchitis
Indication to start NIV for COPD
FEV1 =< 30-50%
pH < 7.35
pCO2 > 45 mmHg
SpO2 < 90 %
Use of NIV
Bilateral pneumonia
Acute Pulmonary Edema
Myasthenia gravis Crisis
Weaning from ventilator
Contraindication of NIV
Unresponsive pt
Inability to protect airway
Bulbur palsy
Facial trauma / Facial Sx
Apneic episode
Hemodynamic instability
MI / GI bleeding / unstable angina
GOLD for COPD
MILD 1 : > 80% FEV1
MODERATE 2 : 50-79%
SEVER 3 : 30-49%
VERY SEVERE 4 : < 30%
All COPD tested for
alfa 1 AT deficiency
chromosome 14
SERPINA1 locus present
M allele : normal
S allele : less elastase
Z allele : severe
Pi mc & severe form of alfa 1 AT deficiency
Pack year
no. of cigarettes smoke per day / 20 * years of smoking
BODE index
predict mortality in COPD
BMI
Airway Obstruction : FEV1
Dyspnoea : mMRC grading
Exercise capacity : 6 min walk test