Risk Factors and Complications of Tetanus

Risk Factors and Complications of Tetanus

We know by now that we need to eat the right foods, need to work out, and do stuff that is healthy for us. Because maintaining good health does not happen by accident, it requires work and smart lifestyle choices. But sometimes when we wake up at 6 am to hit the gym before work or shunning the donuts in breakfast, it’s easy to lose sight of for what are we doing all these. So here are some top articles choices that can keep you motivated to lead a healthy lifestyle and keep diseases at bay.

Risk Factors and Complications of Tetanus

The causative bacteria of tetanus (Claustridium tetani) is found in soil, dust, animal excreta etc. The bacteria can survive for decades to centuries by forming spores. When spores come in contact with favorable environment such as flesh of injured animal (or human) the spores become vegetative bacteria, which liberate a powerful neurotoxin known as tetanospasmin, which is responsible for the signs and symptoms of the tetanus and also for death.

Certain factors are necessary for Claustridium tetani to proliferate in human body, they are:

  • Lack of tetanus immunization against tetanus causing bacteria or inadequate immunization or failure to get booster dose of tetanus toxoid in time
  • Penetrating wound where bacterial spores are introduced
  • Presence of foreign body after injury such as a nail
  • Presence of other bacterial infection and injured tissue which were not debrided adequately

Tetanus may result from any of the following types of injury:

  • Gunshot wounds
  • Puncture wound from splinters, body piercing, tattooing, injection with unsterile needles (e.g. intravenous drug abusers)
  • Burns
  • Compound fractures
  • Surgical wounds if proper aseptic precautions are not taken
  • Ear infection
  • Animal bite
  • Dental infection, tooth extraction
  • Any ulcer
  • Infected umbilical stump from un-immunized or inadequately immunized mothers
  • Any injury with thorns, sharp objects, metal objects, etc.
  • Unnoticed minor injuries may also cause tetanus

Complications of tetanus:

Once tetanus neurotoxin (tetanospasmin) binds to nerve endings the nerves can not function, because it is not possible to remove the toxin from its binding, till new nerve ending grow, which may take several months.

Complication of tetanus may be disability or death. Death from tetanus occurs due to failure of respiratory muscles and also associated severe infections. Treatment of tetanus include use of sedatives for long duration (months) to control muscle spasms and prolonged hospitalization and immobility, which may lead to disability. Infants, who survive neonatal tetanus, may suffer from permanent brain damage.


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