BODE Index: 6-Minute Walk Test Explained
The BODE Index is a tool used to predict the prognosis (likely outcome) for patients with Chronic Obstructive Pulmonary Disease (COPD).
It combines four key variables:
- Body Mass Index (BMI)
- Degree of airflow Obstruction (measured by FEV1)
- Dyspnoea scale (level of shortness of breath)
- Exercise capacity
Understanding the 6-Minute Walk Test
The 6-minute walk test (6MWT) is a common clinical test where patients walk as far as possible within a 6-minute period.
This test directly measures how well a patient can sustain physical activity, which is a measure of their exercise capacity.
In the context of the BODE Index, the distance covered in the 6MWT serves as the primary indicator for the 'E' component, representing the patient's overall exercise capacity.
Therefore, the distance walked in 6 minutes is an indirect measure of Exercise capacity within the BODE Index assessment.
Correct Answer: 4. Exercise capacityImportant Questions from COPD
- The most common cause of chronic type II respiratory failure is:
- Which of the following are categorised under obstructive lung disease ?
1. Bronchial asthma
2. Bronchiectasis
3. Bronchiolitis
4. Pulmonary sarcoidosis
Select the correct answer using the code given below: - Risk factors for development of COPD include which of the following ?
1. Tobacco smoking
2. Recurrent infection
3. Coal dust exposure
4. High socio-economic status
Select the correct answer using the code given below: - A 65-year-old male smoker has been diagnosed with Chronic Obstructive Pulmonary Disease (COPD). On pulmonary function testing, the $FEV_1/FVC < 0.7$ and $FEV_1 = 42\%$ of predicted. The severity of airflow obstruction in this patient as per GOLD criteria is :
Which of the following are the physiological abnormalities in chronic obstructive lung disease?
1. Reduced total lung capacity(TLC)
2. Increased functional residual capacity
3. Increased residual volume(RV)
4. Increased RV/TLC ratio
Select the correct answer using the code given below:
