COPD in the Elderly: Symptoms, Diagnosis and Treatment

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COPD is a deadly medical condition with under-estimated mortality and morbidity rates across the globe. It remains undiagnosed probably because it progresses gradually and shows signs at a very late stage. The National Commission on Macroeconomics and Health (NCMH) has identified India as one of the countries most affected by COPD. The Commission identified about 17 million Indians suffering from COPD in 2006, and the numbers were expected to reach 22 million by 2016. Rita tells us about this life threatening disease among the elders, in the weekly column, exclusively for Different Truths.

Chronic Obstructive Pulmonary Disease (COPD) is characterised by chronic airflow limitation in the lungs. Most often a combination of two diseases – chronic bronchitis and emphysema – this umbrella term also includes diseases such as chronic asthma and severe bronchiectasis.

COPD is a deadly medical condition with under-estimated mortality and morbidity rates across the globe. It remains undiagnosed probably because it progresses gradually and shows signs at a very late stage. The National Commission on Macroeconomics and Health (NCMH) has identified India as one of the countries most affected by COPD.

The Commission identified about 17 million Indians suffering from COPD in 2006, and the numbers were expected to reach 22 million by 2016. According to NCMH estimates, COPD is more prevalent in the rural areas of India compared to the urban parts of the country, and the numbers are continuously on the increase.

COPD Causes and Symptoms

Often seniors with COPD blame their symptoms on age or the side effects of . Most often, people are not diagnosed with COPD until they have lost 50 per cent of their lung function. For example, if a loved one becomes winded walking up a hill, he will stop or slow down; perhaps he’ll never walk up that hill again, avoiding the onset of a COPD symptom.

If your loved one suffers from any of the following symptoms, a doctor’s visit may be warranted:

  • Shortness of Breath: At first, a person may get tired upon strenuous exertion, say while walking up a long flight of stairs. Later, a simple task such as a trip to the mailbox causes breathlessness.
  • Inability to keep up: Simple activities such as bathing and dressing may leave someone with COPD winded and exhausted.
  • Chronic Cough: The patient may begin once in a while and progress to all the time.
  • Sputum Production: Sputum or phlegm may be raised during coughing bouts.
  • Wheezing and Tightness of Chest: These are common symptoms of more severe COPD.
  • Loss of and Weight Loss: Eating is difficult when a person is short of breath.
  • Fatigue: This can be caused by a person fighting to breathe, or by a person’s body receiving less oxygen due to COPD.

To understand COPD symptoms, it is helpful to picture how both emphysema and chronic bronchitis affect the lungs. Leading to each lung is a major airway (bronchus). This airway divides into 22 tubes inside each lung; these tubes are themselves divided into more than one hundred thousand tiny tubes (bronchioles) that end in clusters of tiny air sacs (alveoli) resembling bunches of grapes. These air sacs have membranes filled with tiny blood vessels. When a person breathes in, oxygen attaches to the red blood cells in the vessels and is delivered to the rest of the body; carbon dioxide comes back via these same cells and is expelled when the person breathe outs. When one has emphysema, the airways that lead to these air sacs become kind of limp and lose their elastic recoil. When the person breathes out, it is like air getting trapped in an old balloon that has been blown up a million times. Air gets in but carbon dioxide can’t get out. When the air sacs trap carbon dioxide, it gives the feeling of shortness of breath. Chronic bronchitis is a disease of the lungs’ airways. The airways become hypersensitive, causing more mucus to be produced. This mucus plugs the airways, holding air in and making it difficult to expel air.

This damage to the lungs is usually caused by the number one risk factor for COPD: cigarette smoking. Studies show that only about 10 to 20 per cent of COPD sufferers are non-smokers. Other risk factors include:

  • Exposure to outdoor air .
  • Exposure to indoor air pollution, such as coal and biomass fuels such as wood, grass, or dung, which are used for cooking and heating.
  • Smoking a pipe or cigars.
  • Exposure to second-hand smoke.
  • Exposure to occupational dust and chemicals.
  • Having the genetic disorder Alpha 1 Antitrypsin (AAt) Deficiency.
  • A history of frequent severe respiratory infections during childhood.
  • Being a : More women than men died of COPD in the year 2000

  Diagnosing COPD

A simple breathing test called spirometry is the most common diagnostic test for COPD. It is recommended that anyone older than 44 years of age, who is current or was a former smoker should have a spirometry test. Also, anyone of any age with a chronic cough, excess mucus production, shortness of breath on routine activity, or wheezing should have spirometry testing. The test uses a device called a spirometer, which consists of a mouthpiece and breathing tube connected to a computer. The patient takes a deep breath and then blows out air as fast and hard as he can for at least six seconds. The computer reading includes the following set of numbers:

  • FEV1: the forced expiratory volume of air blown out in one second.
  • FEV6: the forced expiratory volume of air blown out in six seconds.
  • FEV1/FEV6: the ratio of the two preceding numbers, expressed in percentage.

The FEV1 and FEV6 results are compared to data compiled on people the same age, height, weight, race, and gender as the patient, and expressed as percent of predicted for that patient. An FEV1/FEV6 ratio value of less than 70 percent indicates airflow obstruction and usually a COPD diagnosis. Other tests may be administered to determine the extent of COPD. These include arterial blood gas analysis, pulse oximetry, sputum examination, CT scans, and chest x-rays. According to the Global Initiative for Chronic Obstructive Lung Disease (GOLD), the stages of COPD are:

Stage I, or Mild: Few symptoms and mild airflow limitation, with an FEV1/FE6 ratio at less than 70 per cent but the FEV1 at greater than 80 per cent predicted.

Stage II, or Moderate: This is the stage where patients are typically compelled to see a doctor, as they have developed symptoms such as shortness of breath upon exertion. The FEV1 is between 50 and 80 per cent of predicted.

Stage III, or Severe: Symptoms at this stage include worsening airflow limitation, increased shortness of breath, reduced capacity, fatigue, and repeated exacerbations. The FEV1 is between 30 and 50 per cent of predicted.

Stage IV, or Very Severe: Chronic respiratory failure can occur at this stage and COPD exacerbations can be life threatening. The FEV1 is less than 30 per cent of predicted.

COPD Treatment and Management

Although there is no cure for seniors with COPD, treatment, and management of the disease should have the following goals, according to GOLD:

  • Relieve symptoms
  • Prevent disease progression
  • Improve exercise tolerance
  • Improve health status
  • Prevent and treat complications
  • Prevent and treat exacerbations, which are life-threatening flare-ups that are usually caused by lung infections and airway irritations
  • Reduce mortality

Often a primary care doctor will refer seniors with COPD to a pulmonologist or they may also work with a respiratory therapist. COPD treatment is dependent on the stage of disease and the symptoms that are present, and can involve the following:

  • Flu Shots: People with COPD should receive a flu shot every year. A bout of the flu can cause serious (perhaps deadly) exacerbations for patients.
  • Pneumococcal Vaccine: This vaccine should be administered every five years for patients 65 and older. Pneumonia can cause serious (perhaps deadly) exacerbations for patients.
  • Protein Therapy: For people with AAt deficiency, AAt protein infusions may slow lung damage.
  • Antibiotics: These are used sparingly for treating COPD exacerbations.
  • Bronchodilators: These work by relaxing the muscles around the airways, helping to open the airways and make breathing easier. Short-acting bronchodilators are usually initially prescribed during Stage I, while long-acting bronchodilators are added to treatment during Stage II and beyond.
  • Inhaled Glucocorticosteroids: These steroids can reduce inflammation in the airways. They are typically prescribed for Stage III patients who are on two different bronchodilators but remain symptomatic and have frequent exacerbations.
  • Pulmonary Rehabilitation: Usually patients in Stage II and higher attend pulmonary rehabilitation. This is a whole package of therapies that are designed to minimize the impact of COPD, making patients as fit and as healthy as they can be, despite their limitations, according to Lawrence. Components include exercise, disease management training, nutrition advice, and counseling to help patients physically and emotionally participate in daily activities.
  • Supplemental Oxygen: This prescribed treatment is used at any stage of COPD, but typically not until Stage IV, when a patient has low oxygen levels in her blood. Depending on when the oxygen in the blood is low, some patients use oxygen only while exercising; some only while sleeping; while most use supplemental oxygen a minimum of 15 hours a day or continuously.
  • : A loved one who suffers from Stage IV COPD may benefit from either lung transplant surgery or lung-volume reduction surgery (LVRS). Only a handful of patients will benefit from either surgery, and the type of surgery depends on the patient, the expertise of the care center, and the distribution of the emphysema, says Doherty. An LVRS basically trims the areas of the lungs that aren’t functional. With lung transplant surgery, COPD patients usually only receive one new lung.

For seniors with COPD, self-care is important. Preventive habits include good hygiene such as frequent hand washing, getting scheduled flu and pneumococcal vaccines, staying out of crowds during winter, good nutrition,  regular exercise and most importantly, staying away from tobacco smoke, both first and second hand.

Source:

http://www.thehansindia.com

http://www.aplaceformom.com

©Rita Bhattacharjee

Photos and video from the internet.

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Rita Bhattacharjee

Rita Bhattacharjee

Rita Bhattacharjee is a communications consultant with extensive experience in managing corporate and internal communications for companies across diverse industries, including non-profit organizations. She is the co-founder of Mission Arogya and Arogya HomeCare and has recently relocated from the US to India to channel her skills towards social entrepreneurship to increase awareness and reduce disparity in public health.She also writes poetry, some of which have been published in reputed international journals.
Rita Bhattacharjee

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