W5 COPD and Cystic Fibrosis (AG) Flashcards
(AG Wed 25.10)
Why do we need to do spirometry?
To assess lung function
Look at airway limitation using GOLD guidelines
Main difference between Asthma and COPD?
Asthma- Reversible, Eosinophilic disease
COPD- Progressive and Non-reversible
Treatment Guidelines GOLD:
What is the layout of GOLD like?
ABCD cube
- Spirometrically confirmed diagnosis
- Assessment of airflow limitation
- Assessment of symptoms/risk of exacerbation (whether they have led to hosp admissions)
- Post-bronchodilator measure FEV1/FVC ratio= should be >70% to be classed as good.
GOLD- pharmacological treatment- what is given to the groups?
Group A= Bronchodilator
Group B= LABA or LAMA
Group C= LAMA
Group D= LAMA OR LAMA + LABA OR ICS + LABA (COPD with asthmatic features- as ICS as LABA only works in the presence of ICS in asthma patients will work with good levels eosinophil levels)
What is CAT Score?
What is mMRC?
COPD Assessment Test
- Higher scores denote a more severe impact of COPD on a patient’s life
Modified Medical Research Council Dyspnoea scale
- Assesses the degree of dyspnoea in patients.
GOLD Treatment guidelines for COPD:
Dyspnea:
- LABA or LAMA
- LABA + LAMA OR LABA + ICS then LABA +LAMA + ICS
- Consider switching inhaler device or molecules
Investigate and treat other causes of dyspnea
GOLD Treatment guidelines for COPD:
Exacerbations:
- LABA or LAMA
- LABA + LAMA
IF eos <100= Roflumilast, FEV1 <50% & chronic bronchitis OR Azithromycin in fromer smokers
IF eos >100= LABA + LAMA + ICS
What are the 5 Fundamentals of COPD care?
After confirmed diagnosis of COPD:
Offer Pulmonary Rehabilitation if indicated
Offer pneumococcal and influenza vaccinations
Offer smoking cessation
Co-develop a personalised self-management plan
Optimise treatment for co-morbidities
These treatments and plans should be revisited at every review
NICE Guidlines COPD:
On what conditions should inhaled therapies be started? (3)
Which Inhaled therapies?
Only if:
- All the 5 fundamentals have been offered (if appropriate) and
- inhaled therapies are needed to relieve breathlessness and exercise limitation and
- people have been trained to use inhalers and can demonstrate satisfactory technique
Offer SABA or SAMA To use as needed
Review medication and assess inhaler technique and adherence regularly for all inhaled therapies
NICE Guidelines COPD
Risk of giving ICS to a patient with COPD and asthmatic features with low eosinophil levels (means they don’t have asthma only features)
= Risk of PNEUMONIA
= Leads to hosp admission
= They already have high risk of chest infection.
Example of
SABA?
SAMA?
LABA?
LAMA?
Salbutamol
Ipratropium
Formeterol/Salmeterol
Tiotropium
What are the types of Inhaled antimuscarinics + examples?
MHRA advice?
Cautions?
SE?
Contraindications?
- SAMA: Ipratropium bromide (paramedics often use in a nebulised form)
- LAMA: Tiotropium, Umeclidinium, Glycopyronnium
- MHRA/CHM advice: risk of inhalation of capsule if placed in the mouthpiece of the inhaler
- Cautions: bladder outflow obstruction, paradoxical bronchospasm, prostatic hyperplasia, angle-closure glaucoma, cystic fibrosis
- S/E: constipation, arrhythmia, cough, dizziness, dry mouth, headache, nausea
- Contra-indicated in patients with hypersensitivity to atropin
Management of exacerbation:
What are 3 things that increase during an exacerbation?
increased dyspnea, increased sputum volume, increased sputum purulence
Management of exacerbation:
How does this happen?
What o2 levels should be aimed for?
- Short-acting (SAMA, SABA) usually at higher doses through nebuliser
- Withhold LAMA treatment if a SAMA is given
- Hydrocortisone was traditionally the drug of choice in severe life-threatening asthma
- Short course of oral prednisolone along with other therapies
- Antibiotics where there are signs of infections, in immunocompromised, co-morbidities
Oxygen
* Aim for 94-98% oxygen saturation- not too high!
* 88-92% oxygen saturation for patients at risk of hypercapnic respiratory failure