Date of Award

Spring 2023

Degree Name

Master of Medical Science (Physician Assistant)

Department

Physician Assistant; College of Health Sciences

First Advisor

Michelle Thal

Abstract

Tetanus is rare in the United States now due to the tetanus vaccine but there is still the potential too see patients with tetanus. IV drug users, neonates, and geriatric populations are at an increased risk of developing tetanus. Tetanus is caused by Clostridium tetani, a spore forming and exotoxin releasing anaerobic bacteria. The symptoms of tetanus are caused by the exotoxin tetanospasmin which inhibits the release of inhibitory neurotransmitters, leading to sustained neuronal stimulation. The classic symptoms of tetanus are lockjaw (trismus), neck stiffness, back arching, and fever. Patients can be febrile, tachycardic, tachypneic, and hypertensive on exam. The diagnosis of tetanus is clinical. The treatment of tetanus includes neutralization of unbound toxin with human tetanus immunoglobulin, treatment of infection with metronidazole, and Tdap vaccine administration. Muscle contractions are treated benzodiazepines with diazepine being most effective and autonomic instability is treated with magnesium sulfate. Patients with tetanus should be admitted to the ICU for close monitoring because mechanical ventilation is often needed. If a healthcare provider suspects tetanus, the patient should be treated immediately to help increased chance of survival.

Share

COinS
 

Inpatient management of an intravenous drug user with tetanus

Tetanus is rare in the United States now due to the tetanus vaccine but there is still the potential too see patients with tetanus. IV drug users, neonates, and geriatric populations are at an increased risk of developing tetanus. Tetanus is caused by Clostridium tetani, a spore forming and exotoxin releasing anaerobic bacteria. The symptoms of tetanus are caused by the exotoxin tetanospasmin which inhibits the release of inhibitory neurotransmitters, leading to sustained neuronal stimulation. The classic symptoms of tetanus are lockjaw (trismus), neck stiffness, back arching, and fever. Patients can be febrile, tachycardic, tachypneic, and hypertensive on exam. The diagnosis of tetanus is clinical. The treatment of tetanus includes neutralization of unbound toxin with human tetanus immunoglobulin, treatment of infection with metronidazole, and Tdap vaccine administration. Muscle contractions are treated benzodiazepines with diazepine being most effective and autonomic instability is treated with magnesium sulfate. Patients with tetanus should be admitted to the ICU for close monitoring because mechanical ventilation is often needed. If a healthcare provider suspects tetanus, the patient should be treated immediately to help increased chance of survival.