Acute encephalopathy and rhabdomyolysis following rotavirus gastroenteritis

Koichi Minami1, Akira Tamura, Yuki Komori

  • 1Department of Pediatrics, School of Medicine, Wakayama Medical University, Wakayama, Japan. kminami@wakayama-med.ac.jp

Insights

Rotavirus gastroenteritis can cause severe illness in children. This case highlights unusual neurological complications, including acute encephalopathy and rhabdomyolysis, following rotavirus infection.

Area of Science:

  • Pediatric infectious diseases
  • Neurology
  • Virology

Background:

  • Rotavirus is a leading cause of severe gastroenteritis in infants and young children globally.
  • While primarily affecting the gastrointestinal tract, rotavirus has been associated with various extraintestinal manifestations.
  • Understanding these rare complications is crucial for timely diagnosis and management.

Observation:

  • A 6-month-old infant presented with symptoms of severe gastroenteritis.
  • Following the gastroenteritis, the infant developed acute encephalopathy, characterized by altered mental status and neurological dysfunction.
  • The infant also exhibited signs of rhabdomyolysis, a condition involving muscle breakdown.

Findings:

  • The clinical presentation was strongly linked to a preceding rotavirus infection.
  • This case represents a rare instance of combined acute encephalopathy and rhabdomyolysis secondary to rotavirus gastroenteritis.
  • Diagnostic workup confirmed rotavirus as the causative agent.

Implications:

  • This case underscores the potential for severe neurological and muscular complications associated with rotavirus infection in infants.
  • Early recognition of these extraintestinal manifestations is vital for appropriate pediatric care.
  • Further research may elucidate the pathogenic mechanisms linking rotavirus to these severe outcomes.

Related Concept Videos

Encephalitis l: Introduction01:19

Encephalitis l: Introduction

Encephalitis is inflammation of the brain parenchyma, most often due to infections or autoimmune processes. It presents with neuropsychiatric features such as fever, altered mental status, behavioral changes, cognitive dysfunction, seizures, focal deficits, and sometimes autonomic instability. In some cases, the meninges are also involved, resulting in meningoencephalitis.Infectious CausesInfectious encephalitis is most commonly viral but can also result from bacterial, fungal, or parasitic...
Encephalitis ll: Pathophysiology01:26

Encephalitis ll: Pathophysiology

Encephalitis is inflammation of the brain parenchyma caused by direct viral invasion or immune-mediated mechanisms triggered by infections or tumors. Both processes lead to neuronal injury, disrupted neurotransmission, and diverse neurological symptoms, often with overlapping clinical and pathological features.Autoimmune EncephalitisIn autoimmune encephalitis, antibodies target neuronal antigens on cell surfaces, synapses, or within neurons. A key example is anti-NMDAR encephalitis, which can...
Bacterial Gastroenteritis01:18

Bacterial Gastroenteritis

Bacterial gastroenteritis, characterized by diarrhea, abdominal cramps, and vomiting, is often caused by ingestion of contaminated food or water and is frequently associated with pathogenic Escherichia coli strains. These microbes exploit two principal mechanisms to inflict disease.Shiga toxin–producing E. coli, also referred to as STEC—notably O157:H7—release Shiga toxins that target ribosomes, blocking protein synthesis. The B subunit of the toxin binds the host glycolipid receptor...
Hepatic Encephalopathy01:29

Hepatic Encephalopathy

DefinitionHepatic encephalopathy is a reversible neurologic syndrome that results from advanced liver dysfunction or portosystemic shunting. It leads to disturbances in cognition, behavior, and motor function due to the brain’s exposure to gut-derived toxins that the liver fails to detoxify.EtiologyThis condition develops either in the setting of acute fulminant hepatitis or progressively during chronic liver disease, such as cirrhosis and portal hypertension. Portosystemic shunting—including...
Viral Meningitis01:18

Viral Meningitis

Viral meningitis is the most common form of meningitis and is often referred to as aseptic meningitis to indicate the absence of bacterial involvement. It is generally milder than bacterial meningitis, with symptoms including fever, headache, stiff neck, drowsiness, nausea, photophobia, and vomiting. Rarely, more severe manifestations or death may occur. Common causative agents include enteroviruses, particularly coxsackie A and B viruses and echoviruses, all members of the Enterovirus genus...
Rocky Mountain Spotted Fever01:26

Rocky Mountain Spotted Fever

Rocky Mountain Spotted Fever (RMSF) is a severe tick-borne illness caused by Rickettsia rickettsii, a Gram-negative, coccobacillary bacterium. This pathogen is an obligate intracellular parasite, requiring a host cell for replication. Transmission occurs through the bite of an infected tick. In the United States, the most important vectors are Dermacentor variabilis (American dog tick) and Dermacentor andersoni (Rocky Mountain wood tick), though other tick species may also serve as vectors.