A suspected case of Guillain-Barré Syndrome (GBS) has resulted in the death of a man from Solapur in Maharashtra, marking what is believed to be the state's first fatality linked to the rare immunological nerve disorder. Meanwhile, Pune has reported over 100 GBS cases, with 16 patients currently on ventilator support, according to health officials. The Rapid Response Team (RRT) and the Pune Municipal Corporation continue extensive surveillance in affected areas, surveying over 25,000 houses so far.

In this article, we’ll explore Guillain-Barré Syndrome, delving into its symptoms, causes, diagnosis, and treatment. 

What is Guillain-Barré Syndrome?

Guillain-Barré Syndrome (GBS) is a rare and serious neurological condition where the body's immune system attacks the peripheral nerves. While it can affect people of all ages, GBS is more commonly seen in adults and males. Fortunately, most individuals recover completely, even from severe cases. However, in some instances, it can lead to life-threatening complications such as paralysis or difficulty breathing.

Understanding Guillain-Barré Syndrome (GBS) 

Guillain-Barré syndrome is an autoimmune disorder where the immune system targets parts of the peripheral nervous system, which includes the nerves controlling muscle movement and sensation. This can result in muscle weakness, loss of sensation in the limbs, and in severe cases, problems with breathing or swallowing.

Though GBS is rare, it is a serious condition that can affect individuals of any age, with adults and males being more commonly affected. Early detection and treatment are crucial to preventing complications.

What causes GBS?

The exact cause of GBS is still not fully understood. However, most cases are triggered by infections, particularly viral or bacterial ones, which cause the immune system to mistakenly attack the body. A common infection linked to GBS is Campylobacter jejuni, a bacteria responsible for gastroenteritis that causes symptoms like nausea, vomiting, and diarrhoea.

Other viral infections, such as the flu, Zika virus, Epstein-Barr virus, and cytomegalovirus, have also been linked to the development of GBS. Although rare, some cases of GBS have been reported following vaccinations, including the flu vaccine. However, studies indicate that the risk of developing GBS from a vaccine is much lower than the risk associated with contracting the infections themselves. Occasionally, surgery can trigger GBS.

Symptoms and progression of GBS

Symptoms of Guillain-Barré syndrome typically last a few weeks. The first signs often include weakness or tingling sensations in the legs, which may gradually spread to the arms and face. In some cases, this can progress to muscle paralysis, and in about one-third of individuals, the chest muscles can be affected, making it difficult to breathe.

In severe cases, GBS can impair the ability to speak and swallow. These cases are considered life-threatening, and immediate medical intervention is necessary. The condition is usually treated in intensive care units (ICUs), where close monitoring and support are provided.

Despite its severity, most people recover from Guillain-Barré syndrome without long-term neurological issues, although some may continue to experience mild weakness.

Diagnosis of GBS

Diagnosing Guillain-Barré syndrome is based on clinical symptoms and neurological examination. An examination typically reveals reduced or absent deep-tendon reflexes. To support the diagnosis, tests like a lumbar puncture or electromyography (EMG) may be conducted, although these should not delay treatment.

Blood tests or other diagnostic procedures to determine the underlying cause of GBS are not necessary for diagnosis and should not postpone treatment. Individuals suspected of having GBS must be carefully monitored for any signs of breathing difficulties. 

Treatment of GBS

Guillain-Barré syndrome is a medical emergency, and patients should be hospitalised immediately for monitoring. The condition can be life-threatening, and patients often require intensive care to manage complications like difficulty breathing, abnormal heartbeat, blood clots and high or low blood pressure.

There is no cure for GBS, but medical interventions can help reduce symptoms and speed up recovery. The primary treatment involves immunotherapy, such as plasma exchange or intravenous immunoglobulin (IVIG). These treatments work to reduce the immune system's attack on the nerves and are most effective when started within 7 to 14 days of symptom onset.

For patients who continue to experience muscle weakness after the acute phase of GBS, rehabilitation therapies are often necessary to help regain strength and mobility.