Open access peer-reviewed chapter - ONLINE FIRST

Guillain-Barre Syndrome and Miller Fisher Variant in Zika Virus Disease

By Raafat Hammad Seroor Jadah

Submitted: November 6th 2019Reviewed: June 7th 2020Published: July 14th 2020

DOI: 10.5772/intechopen.93128

Downloaded: 18

Abstract

Guillain-Barre syndrome (GBS) is a serious neurological disorder associated with a rapid progressive ascending muscle paralysis, and it is the most common neurological autoimmune disorder that affects the peripheral nervous system, which is usually triggered by viral or bacterial infection. GBS is rare in children and characterized by rapid progressive onset ascending muscle weakness associated with pain and sensory dysfunction. Miller Fisher syndrome (MFS), a variant of GBS, is rare in pediatric population which is typically manifested by ataxic gait, ophthalmoplegia, and areflexia since it is rare in children. It is vitally important to early diagnose this condition and to initiate early treatment to prevent further complications and long-term morbidity. Since the outbreak of Zika virus, the incidence of GBS has been increased. Zika virus associated with autoimmune anti-ganglioside antibodies trigger which lead to GBS development. Zika virus infection should be strongly considered in patients who present with classical signs of Miller Fisher syndrome, especially travelers and residents from endemic areas.

Keywords

  • Guillain-Barre
  • Miller Fisher
  • autoimmune
  • Zika
  • outbreak
  • ataxia

1. Introduction

1.1 History

In 1916, two French Neurologists Georges Charles Guillain and Jean Alexandre Barre and French Physiologist Andre Strohl reported an original paper encountered new syndrome in two soldiers with muscle weakness, absence of deep tendon reflexes and sensory impairment and described the key diagnosis of albumin-cytologic disassociation in the cerebrospinal fluid along with changes in electromyography and nerve conduction studies. Both patients were managed with massage therapy and Strychnine injection and showed clinical recovery after few months [1].

GBS is rare but the commonest cause for acute ascending paralytic polynephropathy. GBS is considered to be an acute immune-mediated disorder that causes peripheral polyneuropathy. Most cases of GBS are preceded by either viral or bacterial infection, which triggers the immune system affecting the peripheral nervous system causing a rapid progressive demyelinating polyneuropathy [2, 3].

The incidence of GBS has been increased since the outbreak of certain infections such as Zika virus epidemic in Latin America in 2015. GBS is the most leading cause of acute ascending muscle paralysis with an annual incidence of 1–2 per 100,000 persons per year worldwide. GBS is more common in males than females [2, 3].

GBS is a rapid demyelinating peripheral neuropathy that typically manifest as ascending muscle weakness that is symmetric in nature associated with reduced or absent deep tendon reflexes. GBS has been also associated with pain along with sensory impairment [4].

GBS is an acute immune-mediated demyelinating polyneuropathy and it is the commonest cause of acute muscle paralysis in pediatric age group patients [5, 6].

MFS is a rare neurological disorder which was initially recognized in 1932 by James Collier as a classical triad of ophthalmoplegia, ataxia and absent deep tendon reflexes. Later in 1956 Charles Miller Fisher a Canadian Neurologist described and reported details isolated clinical entity of three patients who presented with ophthalmoplegia, ataxia and areflexia [7].

MFS has an annual incidence of 0.9 per 1000,000 populations and affect males more than females at ratio of 2:1 and commonly affect Asian population especially at their fourth decade of life [7].

MFS most commonly preceded by Campylobacter jejuni infection and has strong association with positive anti-GQ1b antibodies [7].

Zika virus infection has been associated with different neurological disorders such as microcephaly and since the initial outbreak of Zika virus infection the number of GBS cases has been increased in endemic countries [8].

2. Pathophysiology and immunopathology

The neurological symptoms and signs of GBS usually take place 4 weeks after the initial respiratory or gastrointestinal infection which account for about two-third of GBS cases in adult population. The immune system will be stimulated secondary to infectious antigen with Campylobacter jejuni (C. jejuni) being the most common infectious pathogenic agent which account for 25–50% of adult GBS cases [9]. These infectious antigens cause stimulation of both cellular and hormonal systems leading to axonal damage and demyelination of the peripheral nerve and nerve roots (Figure 1) [11].

Figure 1.

Basic structure of motor neuron [10].

Monocytes, T-cells, especially CD4+ T-helper cells and B-cells in order of frequency, have been commonly implicated in the immunopathology of GBS cases especially in the acute inflammatory demyelinating polyradiculoneuropathy (AIDP) [11].

More than 80% of the patients with Miller Fisher syndrome have anti-GQ1b IgG antibodies which mainly activate the compliment system especially at the presynaptic nerve ending and perisynaptic Schwann cells which has been implicated in the pathogenesis of MFS [11, 12].

3. Clinical features

GBS is a rapid inflammatory ascending symmetric muscle weakness associated with reduced or complete absent of deep tendon reflexes. The most common symptom is inability to walk. The frequent findings on the clinical examination include hyperesthesia, autonomic dysfunction, sensory loss, ataxia, bilateral facial nerve palsy and third cranial nerve palsy [4, 13].

3.1 Clinical subtypes of Guillain-Barre syndrome (GBS)

A number of clinical subtypes of Guillain-Barre Syndrome (GBS) are identified.

Acute inflammatory demyelinating polyradiculoneuropathy (AIDP) is considered to be the most common subtype and account for approximately of 90 percent of GBS patients in the Unites States. Patients with this subtype typically present with progressive ascending symmetric muscle weakness and areflexia associated with severe pain and autonomic dysfunction such as fluctuation in blood pressure, urinary incontinence or syncope. This clinical subtype typically shows a slow nerve conduction velocity with no clear anti-ganglioside antibodies association [14].

Other subtype of GBS is the acute motor axonal neuropathy (AMAN) that accounts for 5% of Guillain-Barre syndrome (GBS) patients in United States. This subtype purely presents with motor weakness without sensory symptoms. Nerve conduction study shows axonal polyneuropathy with normal sensory nerve action potential. Patients with acute motor axonal motor neuropathy have strong association with Campylobacter jejuni (C. jejuni) infection with positive antibodies against gangliosides GM1, GD1a, GaINac-GD1a and GD1b [14].

The acute motor-sensory axonal neuropathy (AMSAN) is a rare and severe variant of GBS [15], which has similar clinical features to acute motor axonal neuropathy but with predominantly sensory loss and positive antibodies against GM1 and GD1a. Nerve conduction study showed axonal polyneuropathy with reduced or absent sensory nerve action potential [14].

The pharyngeal-cervical brachial syndrome (PCB) is another rare subtype of GBS [16]. Patient with PCB syndrome typically present with rapid and progressive oropharyngeal and shoulder muscle weakness associated with absent deep tendon reflexes in the upper limbs. The nerve conduction study in patients with PCB syndrome is generally normal but sometimes showed axonal neuropathy in the arms. PCB syndrome associated with positive IgG anti-GT1a antibodies [17].

Miller Fisher syndrome is one of the GBS variant. It is an uncommon neurological disorder which account of about 5% of GBS cases. Patients with Miller Fisher syndrome typically present with clinical trial of ophthalmoplegia which is bilateral symmetric in most patients, ataxia and absent deep tendon reflexes. The commonest initial presenting symptoms in patients with Miller Fisher syndrome is diplopia (double vision) which is due to acute onset-ophthalmoplegia. Other less frequent signs and symptoms of MFS include headache, difficulty swallowing and photophobia (Table 1). MFS is an immune-mediated neurological disorder and more than 80% of patients with MFS showed positive IgG anti-GQ1b antibodies. Electrophysiological findings in patients with MFS commonly showed reduced sensory nerve action potentials and absent H reflexes (Figure 2 and Table 2) [7, 12, 18].

  • Double vision (diplopia): most common

  • Abnormal gait (ataxia)

  • Less frequent symptoms

  • Headache

  • Difficulty swallowing (dysphagia)

  • Light intolerance (photophobia)

Table 1.

Clinical symptoms associated with MFS.

Figure 2.

Percentage of different subtypes of GBS [14, 18].

TypeClinical symptomsElectrophysiological findingsSerological tests
Acute inflammatory demyelinating polyradiculoneuropathyMuscle weakness with sensory and autonomic dysfunctionSlow nerve conduction velocityNo clear anti-ganglioside antibodies association
Acute motor axonal neuropathyMuscle weakness with no sensory impairmentAxonal polyneuropathy with normal sensory nerve action potentialPositive anti-ganglioside antibodies GM1, GD1a, GaINac-GD1a, and GD1b
Acute motor-sensory axonal neuropathyMuscle weakness with sensory involvementAxonal polyneuropathy with absent or reduced sensory nerve action potentialPositive antibodies against GM1 and GD1a
Pharyngeal-cervical brachial variantOropharyngeal and shoulder muscle weaknessGenerally normal, occasional axonal neuropathy in the armsPositive IgG anti-GT1a antibodies
Miller Fisher syndromeOphthalmoplegia, ataxia and areflexiaReduced sensory nerve action potential and absent H-reflexesPositive IgG anti-GQ1b antibodies

Table 2.

Summary of the clinical subtypes of Guillain-Barre syndrome.

Bickerstaff brainstem encephalitis currently considered to be another variant of Fisher syndrome associated with central nervous system involvement. Patients with Bickerstaff brainstem encephalitis typically present with ophthalmoplegia, ataxia, hyperreflexia and altered sensorium [19].

Bickerstaff brainstem encephalitis is an immune-mediated neurological disorder usually preceded by infection and associated with positive anti-GQ1b antibodies [19].

Zika virus belongs to the virus family Flaviviridae. This virus was first isolated in 1947 from a monkey in the Zika forest of Uganda. Zika virus spread mainly by Aedes mosquitos as well as by intrauterine transmission, blood and sexual intercourse [20]. Most cases of Zika virus infection are associated with mild symptoms such as fever, headache, maculopapular skin rash, red eyes (conjunctivitis) and joint or muscle pain [21, 22, 23].

The outbreak of Zika virus infection in Brazil in 2015 has been associated with a more serious neurological complication such as Guillain-Barre syndrome [24]. This outbreak has been also resulted in increase in the incidence of babies with microcephaly [25, 26].

During Zika outbreak in Brazil, patients who developed Guillain-Barre syndrome secondary to Zika virus infection were found to have a higher level of anti-ganglioside antibodies of both IgM and IgG isotypes as compared to other patients with Zika infection in the absence of GBS [27].

Since Zika virus associated with serious devastating neurological complications such as Guillain-Barre syndrome and congenital anomalies in the newborn babies, several methods have been developed in order to detect the virus in early course of infection. Nonstructural protein 1 (NS1) is considered to be an essential biomarker for early detection and diagnosis of Zika virus. The development of double-antibody sandwich ELISA (DAS-ELISA) has been also used for early and rapid detection of ZIKA-NS1 protein in patients who newly infected with Zika virus [28].

At the present time, there is no antiviral treatment or specific vaccines approved for patients infected with Zika virus. Supportive care remains the main modality of managing these patients, yet the challenge remains to prevent congenital Zika syndrome in pregnant women [29].

4. Diagnosis of Guillain-Barre syndrome and Miller Fisher variant

The diagnosis of GBS and Miller Fisher variant is often made clinically based on the symptoms and clinical signs of the patients [30]. A more detail and supporting investigational studies such cerebrospinal fluid (CSF) analysis, electrophysiological tests such as nerve conduction studies, ultrasonographic and MRI imaging along with serologic testing can be carried out to confirm the diagnosis of GBS and other variants such as MFS [31].

Electrophysiological findings in patients with GBS suggestive of demyelination process in the form of reduce motor conduction velocity (MCV), prolonged motor distal latency and increase F wave latency. The findings of conduction block with absent H-reflex are considered to be the commonest and early sign in GBS [32].

Patients with Fisher-Bickerstaff syndrome (FBS) typically showed sensory axonal neuropathy in the form of reduced sensory nerve action potential (SNAP) amplitude in the absence of demyelination parameters [33].

The use of imaging studies such as peripheral nerve ultrasound and MRI are helpful diagnostic tools to diagnose inflammatory peripheral nerve roots [34].

The findings of MRI findings in patients with Miller-Fisher syndrome can range from cranial nerve involvement especially the optic nerve to severe cerebral white matter lesions [35, 36].

Another important biomarker which help confirming the diagnosis of GBS is the cerebrospinal fluid (CSF) analysis which typically show albuminocytologic dissociation (elevated protein level with normal cell count in cerebrospinal fluid) which has been also seen in patients with MFS and Bickerstaff brainstem encephalitis [37].

Although the diagnosis of MFS is based mainly on the classical trial of ophthalmoplegia, areflexia and ataxia which developed approximately within 1 week to 10 days after the initial infection, serologic tests can be used to confirm the diagnosis. The presence of anti-GQ1b antibodies, which was first described in 1992, provides a strong diagnostic marker for MFS [38].

The yield of this serological marker is high if the test done within 4 weeks after initial clinical onset [39].

5. Treatment practice of Guillain-Barre syndrome and Miller Fisher variant

Since GBS is a demyelinating polyneuropathy that cause rapid ascending muscle paralysis it is vitally important to admit patients with GBS to the intensive care unit for close monitoring and observation as over 30% of GBS patients can develop respiratory failure [40].

Currently plasmapheresis and intravenous immunoglobulin (IVIG) are the only effective therapies for GBS [41].

The timing of plasmapheresis has a significant impact on the clinical outcome if it is done within 2 weeks from the initial clinical onset as it reduces the time needed for ventilator support and improves motor function and walking without any help. The use of IVIG also shown to yield a good response in patients with GBS, however the use of plasmapheresis and IVIG were equally effective in GBS patients and combined therapy showed no significant difference in the final patients’ clinical outcomes as compared to a single therapy. There is no role of corticosteroids therapy in the management of GBS even if it is used in high dose in the initial phase of GBS [40].

In patients with MFS IVIG have shown to speed the recovery of ophthalmoplegia and ataxia. However, IVIG and plasmapheresis have no significant impact on the overall outcome in patients with Miller Fisher syndrome [42].

6. Prognosis of Guillain-Barre syndrome and Miller Fisher variant

The overall prognosis of GBS is positive. Not all patients with GBS show complete recovery; however, most of these patients have a good outcome on one year follow up [43].

However, factors that indicate poor prognosis in GBS patients include old age and severe neurological deficit with cranial nerve injury at clinical onset, the need for mechanical ventilation and axonal damage in the nerve conduction study (Table 3) [44].

  1. Elderly patients

  2. Severe focal neurological deficit at the initial presentation

  3. Mechanical ventilation

  4. Axonal demyelination in nerve conduction study

Table 3.

Poor prognostic factors in GBS [44].

MFS has an overall a good prognosis [45], and despite the fact it has self-limiting course in most cases, Miller Fisher rarely progressive to respiratory failure [46].

The early diagnosis of MFS and early treatment with plasma exchange or intravenous immunoglobulins can reduce the severity of the disease and hasten the recovery in patients with MFS [46].

The ataxia and ophthalmoplegia usually recover within 1 to 3 months after initial clinical onset with almost complete resolution within 6 months. The loss of deep tendon reflexes may persist however does not interfere with daily functional activities [47].

7. Conclusion

Guillain-Barre syndrome is a serious neurological disorder associated with a rapid progressive ascending muscle paralysis. It is essential to provide maximum supportive medical care and start early therapy to prevent further deterioration and improve the future outcome of the patients.

Miller Fisher is a variant of Guillain-Barre syndrome is rare in pediatric population with an overall good prognosis. Early recognition and management of such uncommon neurological disorder will help in preventing further complications and long-term morbidity.

Conflict of interest

The author declares no conflict of interest.

Abbreviations

GBSGuillain-Barre syndrome
MFSMiller Fisher syndrome
PCBpharyngeal-cervical brachial
MRImagnetic resonance imaging
IVIGintravenous immunoglobulin
ELISAenzyme-linked immunosorbent assay

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Raafat Hammad Seroor Jadah (July 14th 2020). Guillain-Barre Syndrome and Miller Fisher Variant in Zika Virus Disease [Online First], IntechOpen, DOI: 10.5772/intechopen.93128. Available from:

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