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What is Pulmonary valve stenosis?

A narrowing of the valve between the lower right heart chamber and the lung arteries is known as pulmonary valve stenosis. The flaps of a constricted heart valve may thicken or stiffen, decreasing blood flow via the valve.

A prenatal cardiac condition causes pulmonary valve disease. Adults may develop pulmonary valve stenosis as a side effect of another disease.

The severity of pulmonary valve stenosis varies. Procedures to replace or repair the valve may be necessary for moderate to severe pulmonary valve stenosis.

What is the Importance of Timely Treatment?

To avoid complications and discomfort associated with symptoms, pulmonary stenosis must be treated promptly. Heart failure, arrhythmias, or even damage to the heart muscle may result from the condition's increased pressure on the right side of the heart if treatment is not received.

Additionally, timely therapy improves the patient's quality of life and overall prognosis by managing symptoms such as exhaustion, dizziness, and shortness of breath.

What are the Common Symptoms of Pulmonary stenosis?

The degree of blood flow obstruction determines the symptoms of pulmonary valve stenosis. The following are some signs of pulmonary valve stenosis:

  • A heart murmur is a whooshing sound audible with a stethoscope.
  • Feeling fatigued.
  • Breathlessness, particularly during activities
  • Chest discomfort.
  • Fainting.
  • Low oxygen levels in babies with pulmonary valve stenosis might cause their skin to appear blue or grey.

Types of Pulmonary Stenosis

There are four different types of pulmonary stenosis:

  • Valvar pulmonary stenosis: The valve leaflets are either narrowed or thickened.
  • Supravalvar pulmonary stenosis: The pulmonary artery narrows directly above the pulmonary valve.
  • Subvalvar (infundibular) pulmonary stenosis: The thickening of the muscle underneath the valve narrows the right ventricle's outflow tract.
  • Branch peripheral pulmonic stenosis: The left or right pulmonary artery, or maybe both, is constricted.

Causes, Risk Factors and Complications of Pulmonary Stenosis

Causes

  • The most common cause of pulmonary valve stenosis is a congenital cardiac condition. It's unknown what exactly caused it. The pulmonary valve does not develop normally during a baby's growth inside the womb.
  • The pulmonary valve consists of three thin tissue segments, known as flaps or cusps. The cusps open and close with every heartbeat, ensuring that blood flows in the proper direction.
  • In pulmonary valve stenosis, one or more cusps may be thick or rigid. The cusps may occasionally be linked, fused, and not fully open. Due to the smaller hole, it is more difficult for blood to exit the lower right heart chamber, and thus, the chamber's internal pressure increases.

Risk Factors

The following factors may make pulmonary valve stenosis more likely:

  • The Noonan syndrome: Changes in DNA are the cause of this illness. Numerous issues with the anatomy and function of the heart may result from it.
  • Rheumatic fever: This consequence of strep throat may harm the heart and heart valves irreversibly. It raises the chance of pulmonary valve stenosis later in life.
  • Carcinoid syndrome: This disorder develops when specific chemicals are released into the bloodstream by an uncommon malignant tumour.
  • German measles (Rubella): Pregnancy-related German measles raises the baby's risk of developing pulmonary valve stenosis.

Complications

The following are potential side effects of pulmonary stenosis:

  • Infectious endocarditis: It is an infection of the heart's lining. Individuals with pulmonary stenosis are more susceptible to bacterial infections that impact the heart's inner lining.
  • Arrhythmias: Heartbeat irregularities are more common in those with pulmonary stenosis. Pulmonary stenosis-related irregular heartbeats are typically not fatal unless the stenosis is severe.
  • Heart muscle thickening: In severe pulmonary stenosis, the lower right heart chamber must work harder to pump blood into the pulmonary artery.
  • Heart failure: Heart failure develops when the right ventricle cannot pump blood effectively.
  • Pregnancy complications: People with severe pulmonary valve stenosis are more likely than those without it to experience problems during labour and delivery.

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Treatment options for Pulmonary stenosis

Percutaneous Pulmonary Valve Replacement: A new pulmonary valve is inserted during this treatment. Transcatheter valve replacement, a minimally invasive technique, and surgery are the two options for inserting the new valve.


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Balloon Valvuloplasty (Balloon Dilation): The provider inserts a flexible tube with a balloon on the end into an artery. X-rays guide the catheter—a tube—to the heart's constricted valve. The valve aperture widens as the balloon expands. The balloon and catheter are then taken out. Valvuloplasty may lessen the symptoms of pulmonary valve stenosis and increase heart blood flow.

Tests to diagnose pulmonary valve stenosis include:

  • Echocardiogram: An ultrasound examination called an echocardiography examines the anatomy and physiology of your heart
  • Cardiac magnetic resonance imaging (MRI): An imaging test which helps medical professionals determine the location and structure of the pulmonary artery or restricted pulmonary valve.
  • Cardiac computed tomography (CCT): An imaging examination that aids medical professionals in assessing the right ventricle's size and function, the location of the constriction, and the pulmonary arteries.
  • Cardiac catheterisation: A minimally invasive procedure used to assess the severity and location of the narrowing.

Pulmonary stenosis rehabilitation options include:

  • Cardiac Rehabilitation Programs: Organised initiatives that promote cardiac rehabilitation through therapy, education, and exercise.
  • Lifestyle Modifications: Promoting heart-healthy behaviours such as weight control, quitting smoking, and dietary adjustments.

Medications are used to manage symptoms and heart issues in newborns with severe pulmonary stenosis. These medications widen blood vessels to keep the ductus arteriosus open until surgery.

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Hospitals for Pulmonary stenosis in Singapore

Mount Elizabeth Hospital: Top Doctors, and Reviews
Mount Elizabeth Hospital

Singapore, Singapore

Mount Elizabeth Hospital located in Singapore, Singapore is accredited by JCI. Also listed below are some of the most prominent infrastructural details:

  • 345 bedded Hospital
  • Maternity wards
  • The Mount Elizabeth Patient Assistance Centre (MPAC)
  • 1 major operating unit with 12 operating rooms and 1 operating theatre dedicated to in vitro fertilisation (IVF)
  • Intensive Care Unit
  • High Dependency Unit (HDU)
  • Neonatal Intensive Care Unit (NICU)
  • Accident & Emergency Department
  • Rooms are categorized as Single rooms, 2-bedded rooms, 4-bedded rooms, Executive deluxe suite, Daffodil/Magnolia suite, VIP Room, and Royal Suite
  • All patient rooms are equipped with electric safe, LCD, sofa cum bed, wardrobe, radio channels, and much more
  • Parking lot
Gleneagles Hospital: Top Doctors, and Reviews
Gleneagles Hospital

Singapore, Singapore

Gleneagles Hospital, located on Napier Road in Singapore, is a leading private healthcare institution offering comprehensive medical services and advanced clinical care. With 221 beds and a strong team of medical specialists, the hospital holds the Singapore Quality Class certification for excellence in healthcare. Its state-of-the-art facilities include ICU, HDU, NICU, Urgent Care Centre, operating theatres, radiology, endoscopy, laboratories, and rehabilitation units. Gleneagles specializes in orthopaedics, oncology, women’s health, and gastroenterology, offering tailored programs for cancer, bone, and gut health. With modern maternity packages and patient-friendly rooms, the hospital ensures compassionate, high-quality care focused on safety, comfort, and recovery.

Farrer Park Hospital: Top Doctors, and Reviews
Farrer Park Hospital

Singapore, Singapore

Apart from in-detail treatment procedures available, Farrer Park Hospital located in Connexion, Singapore has a wide variety of facilities available for International Patients. Some of the facilities which are provided by them are Accommodation, Airport Transfer, Choice of Meals, Interpreter, SIM, TV inside room. Also listed below are some of the most prominent infrastructural details:

  • A medical centre is linked to the Farrer Park Hospital Complex, Connexion, Singapore
  • The focus of the hospital is to bring together two essential elements: those of healthcare combined with hospitality.
  • There is a building with 20 different stories which comprises Owen Link, hotel and spa.
  • Personal attention and patient care focus is maintained with a system in place of listening, analysing, evaluating and then implementing a treatment plan.
  • 121 bed capacity
  • Technology and innovations help provide the best of medical and surgical treatment options.
  • Professionally implemented international patient care systems
  • Suites: Cardiovascular, day surgery, endoscopy, major surgery, nuclear medicine, radiation oncology, and inpatient suite
  • Diagnostic imaging and intensive care unit
  • 24 hour emergency clinic and pharmacy
  • Facilities such as dialysis, nutrition services, rehab centre, and teaching clinic

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Why Choose Singapore for Pulmonary Stenosis Treatment?

Here are some of the reasons to choose Singapore:

  • Advanced Medical Technology: Singapore provides cutting-edge facilities that use minimally invasive surgical procedures to treat coronary artery disease.
  • World-Class Experts: Highly experienced cardiologists and surgeons with international training, backed by JCI-accredited healthcare facilities.
  • Cost-Effective Treatment: Compared to many Western countries, treatment in Singapore is less expensive while maintaining high quality.
  • International Patient Services: Singapore hospitals offer exceptional multilingual care and assistance to international patients.
  • Innovative Treatment Options: Modern technologies include biologic medicines and the most recent research in Pulmonary stenosis treatment.

Frequently Asked Questions

There is no way to reduce your child's risk of developing pulmonary valve disease from unknown causes. However, you should ensure you have received the most recent rubella vaccination if you intend to become pregnant.

By avoiding pulmonary hypertension, endocarditis, and rheumatic fever, you may be able to prevent or slow the progression of pulmonary valve regurgitation.

The success rate for treating pulmonary stenosis is generally high in Singapore, especially for surgical correction and balloon valvuloplasty procedures. Research shows that balloon valvuloplasty significantly improves proper heart function and has few side effects, with a success rate of about 90%.​ Long-term results are likewise positive.

Pulmonary stenosis may not require treatment in mild cases and typically does not result in serious complications. Intervention is typically necessary for mild to severe cases, though.

Not all the time. While moderate to severe instances typically require intervention to relieve symptoms and prevent complications, mild cases may not necessitate surgery and can often be treated with medication and close observation.

The type of treatment determines the length of recovery. Patients usually recover from a balloon valvuloplasty in a few days. With frequent follow-up appointments for monitoring, recovery from surgery may take a few weeks to months.

Yes, pulmonary stenosis can last into adulthood, even though it is typically diagnosed in childhood. In certain instances, the illness could worsen with time and necessitate therapy in later life.

Indeed, compared to many Western nations, the cost of treating pulmonary stenosis is considered reasonable in Singapore. The country provides top-notch cardiac care backed by knowledgeable professionals and cutting-edge medical equipment. Many people may now afford treatment thanks to government hospitals and insurance coverage. Singapore is a top choice for cardiac care due to its high quality and competitive prices.

Although lifestyle modifications such as eating a balanced diet, exercising as directed by a physician, and quitting smoking can enhance heart health, these measures do not address the underlying constriction of the valves. They can, however, improve overall cardiovascular health.

The long-term prognosis is usually favourable with early diagnosis and suitable treatment, particularly for mild events. Patients who have undergone surgery or balloon valvuloplasty often lead regular, active lifestyles.

It's crucial to schedule routine follow-up visits with a cardiologist to monitor the issue. The degree of stenosis and whether any interventions have been performed determine how frequently visits are required. Echocardiograms and other imaging studies may be part of the monitoring process.