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Tetanus: study of 8,697 cases.

J C Patel1, B C Mehta

  • 1King Edward VII Memorial Hospital, Bombay, India.

Indian Journal of Medical Sciences
|March 11, 2000
PubMed
Summary
This summary is machine-generated.

Tetanus is a serious infection with a high mortality rate, especially in newborns. Factors like incubation period, spasms, and site of infection significantly impact survival, highlighting the need for prompt and appropriate treatment.

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Area of Science:

  • Medical Microbiology
  • Infectious Diseases
  • Public Health

Background:

  • Tetanus remains a significant global health concern, characterized by high mortality rates.
  • Understanding risk factors and outcomes is crucial for improving patient management and prevention strategies.

Purpose of the Study:

  • To analyze a large cohort of tetanus cases to identify key epidemiological features and prognostic factors.
  • To determine the overall mortality and factors influencing survival in tetanus patients.

Main Methods:

  • Retrospective analysis of 8,697 tetanus cases over 14 years.
  • Stratification of data by age group (neonatal vs. non-neonatal), incubation period, presence of spasms, site of infection, and treatment received.
  • Comparison of mortality rates across different subgroups and severity grades.

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Main Results:

  • Overall mortality was 48.0%, with neonatal tetanus having a significantly higher rate (86.38%) compared to non-neonatal (40.18%).
  • Shorter incubation periods, presence of spasms, higher fever on admission, and specific infection sites (trunk, post-abortion, post-injection) were associated with increased mortality.
  • Absence of spasms was linked to very low mortality (2.14%).
  • Appropriate administration of antitoxin serum (A.T.S.) or tetanus immune globulin correlated with lower mortality compared to no treatment or incorrect dosage.

Conclusions:

  • Tetanus poses a severe threat, particularly to neonates, necessitating targeted interventions.
  • Incubation period, clinical presentation (spasms), and infection source are critical determinants of tetanus prognosis.
  • Effective management involves prompt antitoxin administration and supportive care, with respiratory and circulatory failure being primary causes of death.