June 24, 2025

Learn More About The Procedure, the Science Behind It, and What Patients Should Expect

Living with severe asthma means constantly thinking about your next breath. A simple walk to the mailbox, stepping outside into the cold air, or even attending a stressful meeting can be enough to trigger symptoms. Over time, what once seemed like a manageable condition can turn into something far more disruptive.

Medications help, but not consistently enough. Inhalers can and do lose their punch. Steroids come with side effects. Biologics require regular injections and are not effective for every case. That’s why Bronchial Thermoplasty is getting more attention. It offers something different: a way to reshape how the lungs respond, not just how they feel in the moment. Let’s break down what the procedure is, how it works, and what people living with persistent asthma need to know.

What Is Bronchial Thermoplasty?

Bronchial Thermoplasty is a minimally invasive outpatient procedure designed to reduce asthma symptoms in adults whose condition remains uncontrolled despite medication. The method uses heat to shrink the smooth muscle that lines the airways, muscle that contracts during an asthma attack, making it harder to breathe.

Reducing this muscle tissue allows Bronchial Thermoplasty to help keep airways open. The treatment doesn’t rely on daily use like inhalers or pills. Instead, it changes the airways in a more direct and lasting way. It’s approved by the FDA for adults with severe asthma and is backed by years of clinical research.

The process involves using a small, flexible tool inserted into the lungs through the nose or mouth. This tool delivers short bursts of heat, with just enough to make a change without damaging other tissue. It’s done in three stages, with different areas of the lungs being treated during each visit.

How Bronchial Thermoplasty Works Inside the Lungs

In people with asthma, the airways overreact to triggers like allergens, smoke, or even exercise. The smooth muscle lining the airways contracts, narrowing the passages and restricting airflow. This is what causes wheezing, coughing, and that tight, panicked feeling in the chest.

Bronchial Thermoplasty addresses the root of that reaction by applying heat to the airway walls. The temperature used is precise, high enough to shrink the muscle but controlled to avoid harming the surrounding tissue. Over time, this reduction in muscle mass makes it harder for the airways to constrict, lowering the chance of a severe reaction.

Each session lasts about an hour. A bronchoscope is inserted into the lungs while the patient is sedated. Then, the heat is applied through a catheter in brief intervals across small sections of the airway. The treatments are spaced three weeks apart to allow for healing.

The approach is methodical but simple in execution. And while the results aren’t immediate, the long-term improvement seen in many patients makes it a compelling option.

Living With Severe Asthma

Severe asthma affects how people live. For someone with severe symptoms, even a minor disruption in routine can cause days of discomfort. Triggers such as perfume, weather shifts, dust, or stress can trigger episodes without warning. Sleep is interrupted and energy dips. Social plans get skipped.

Many people with severe asthma already use a mix of medications, such as high-dose corticosteroids, long-acting bronchodilators, and biologics. They carry rescue inhalers wherever they go. However, for some, even this comprehensive toolkit doesn’t prevent frequent flare-ups or hospital visits.

This level of daily interference can also take a mental toll. Anxiety about breathing problems becomes part of the routine. People may avoid physical activity, travel less, or adjust their lives to focus on symptom control. For these individuals, exploring new treatment paths becomes a priority.

Why Treating Severe Asthma Isn’t Always Straightforward

Asthma is a complex condition that doesn’t follow the same pattern for everyone. Two people with the same diagnosis might respond very differently to the same medication. What works well for one person may have little effect on another.

In severe cases, the airways themselves start to change. Chronic inflammation can lead to scarring and thickening. The muscles lining the airways become more prominent and more reactive. Medications can still help, but they may not be able to reverse these physical changes.

Bronchial Thermoplasty takes a different approach. Instead of calming the body’s response to a trigger, it targets the structure involved in that response. It makes the airways less susceptible to overreacting, and as a result, provides an additional layer of control.

When Doctors Suggest Bronchial Thermoplasty

Bronchial Thermoplasty isn’t for everyone. Doctors usually consider it when other treatment options haven’t worked well. Most candidates have tried and failed multiple therapies and still experience regular symptoms, flare-ups, or emergency visits.

The procedure is meant for adults, 18 and older, with severe, persistent asthma. These individuals often have:

• Frequent asthma attacks despite using maintenance inhalers
• Trouble reducing their steroid use without symptoms worsening
• Limited improvement from biologic treatments

Before recommending Bronchial Thermoplasty, a pulmonologist will carefully review lung function tests, current medications, and medical history. It’s essential to rule out other conditions that may mimic or exacerbate asthma symptoms.

Doctors may also wait until a person’s asthma is stable, meaning no active infections or recent hospitalizations, before scheduling the procedure. A clear plan is developed in advance, and patients are typically educated on what to expect during each phase.

What Happens During Bronchial Thermoplasty

The entire procedure is outpatient, meaning patients can go home the same day. After checking in, the patient is given a mild sedative or anesthesia to stay relaxed and comfortable. Once sedated, a thin bronchoscope is inserted through the nose or mouth and guided into the lungs.

Using this tool, the specialist sends controlled bursts of heat to the airway walls using a device at the end of the bronchoscope. The treatment is gentle but precise. Each area is treated for a few seconds before moving on to the next. It usually takes about an hour from start to finish.

The first session targets the lower right lung. Three weeks after the first session, the lower left lung is treated. The final session covers the upper lobes. This staggered approach gives the lungs time to recover between treatments and reduces the risk of side effects.

After the procedure, patients spend a few hours in observation. Some may have mild coughing, wheezing, or chest tightness. These symptoms usually resolve within a few days.

Recovery and What to Expect Over Time

Most patients return to regular activities within a few days of each treatment. Allow for rest for a full day afterward, especially if they feel tired or notice an increase in coughing. For most people, any temporary increase in asthma symptoms typically subsides quickly.

The full benefits of Bronchial Thermoplasty typically develop over several months. Patients may start to notice fewer attacks, reduced need for rescue inhalers, and better sleep. For others, the improvement is gradual but steady.

Long-term studies have tracked patients for up to five years and have found ongoing improvements in asthma control, as well as a decrease in emergency department visits. This kind of sustained benefit is part of what makes the procedure appealing to both patients and specialists.

That said, results vary. Some people experience dramatic improvements, while others notice more minor yet still meaningful changes. Either way, the goal is to improve daily life and reduce the overall burden of asthma.

Understanding the Risks and Side Effects

As with any medical treatment, Bronchial Thermoplasty comes with potential risks. Most side effects are short-term and manageable. These include:

• Coughing or wheezing that lasts a few days
• Temporary chest discomfort
• Mild respiratory infections

In rare cases, more serious complications can occur, such as a flare-up of asthma symptoms requiring hospitalization. That’s why the procedure is done in a controlled setting by experienced providers.

Patients are encouraged to report any symptoms that feel unusual after the procedure. Regular follow-up visits help track progress and address concerns. Overall, the safety profile is considered favorable based on data from clinical trials and real-world use.

How Bronchial Thermoplasty Compares to Other Asthma Treatments

Asthma management typically involves a combination of treatments, including inhalers, oral medications, injections, and lifestyle modifications. Each plays a role in controlling symptoms and preventing flare-ups. However, most treatments require consistent daily use, and some come with side effects or limited effectiveness.

Bronchial Thermoplasty differs in that it’s a procedural and not a pharmaceutical treatment. Instead of treating inflammation with medication, it addresses the physical behavior of the airways themselves. Once the treatments are complete, there’s nothing more to "take" or apply. It becomes part of the airway structure.

This doesn't mean other treatments will stop altogether. Most patients continue using some medications, but often at lower doses. For people who have been stuck on high-dose steroids or repeated biologics, this can offer welcome relief.

It’s also an option for patients who struggle with medication side effects or who haven’t seen the benefits they were hoping for. Bronchial Thermoplasty offers an additional tool in the asthma management toolbox.

FAQs About Bronchial Thermoplasty

Who performs this procedure?

Pulmonologists or interventional lung specialists with training in the technique typically handle the procedure in outpatient hospital settings.

Is Bronchial Thermoplasty painful?

Most patients experience no pain during ‌treatment thanks to sedation. Some report mild soreness, coughing, or discomfort in the days following.

How many sessions are required?

Three sessions, spaced about three weeks apart, are needed to complete the full course of treatment.

Will I stop using all my asthma medications?

Not necessarily. Many people reduce their medication needs after treatment, but most still use some form of asthma management.

How quickly does it work?

Improvements can begin within weeks but are more noticeable over a few months as the airways heal and adapt.

Can Bronchial Thermoplasty cure asthma?

No. It helps control the airway muscle component of asthma, leading to better symptom control, but it does not eliminate the condition.

Breathing Easier Starts With the Right Provider

Severe asthma can take a lot out of you. When medications aren’t cutting it and symptoms continue to interfere with life, it’s worth asking about other options. Bronchial Thermoplasty is one of them. It might not be the right fit for everyone, but it has helped many people breathe with fewer limitations.

If you're considering this procedure or want to learn more, DocFinderPro can help connect you with a local specialist who has experience performing Bronchial Thermoplasty. With the proper support, you can explore treatments that go beyond the basics and ultimately achieve steadier control.

Better breathing doesn’t need to feel out of reach. Start by finding the right partner in care, and DocFinderPro makes that easier than ever.