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Tetanus secondary to oral and odontogenic infections: a case report and systematic literature review

Meregildo-Rodriguez E.D.; Asmat-Rubio M.G.; Vásquez-Tirado G.A. · Infezioni in Medicina (2023) · DOI: 10.53854/liim-3101-13

Resumen

Objectives: Tetanus is a potentially lethal infection and remains a priority public health problem in countries with low vaccination coverage. We aim to synthesize the evidence on the clinical-epidemiologic characteristics of oral (odontogenic) tetanus. Methods: We report a case of oral tetanus. Furthermore, we collected eligible articles about oral tetanus published to date. We performed a systematic review with an exhaustive search of the literature published up to June 30, 2022, in Medline (PubMed), Google Scholar, Scopus, EMBASE, Web of Science, and ScienceDirect. Results: We analyzed 19 studies that enrolled 26 cases of oral tetanus. The mean age was 51.60 ± 21.95 (range 10-77) years. The frequency and lethality of odontogenic tetanus were higher in males than females. More than 60% of cases occurred in North America. Almost three-quarters of cases were associated with a dental procedure-mainly dental extraction-meanwhile, tooth decay accounted for 23% of cases. The median incubation period was 8.0 (IQR 10.0) days. The time between trismus and death was 4.25±1.89 (range 3-7) days. Clostridium tetani was isolated in only 11.54% of cases. Administration of anti-tetanus immunoglobulin alone or combined with anti-tetanus toxoid was reported in at least 42% of cases, and antibiotics in 32% of cases. Patients required tracheostomy and mechanical ventilation in 12% and 8% of cases, respectively. The mean hospital stay was 18.38±14.97 (range 4-53) days. The lethality of odontogenic tetanus was (30.77%). Conclusion: Since the diagnosis of tetanus is merely clinical, it is crucial to have a high index of suspicion to diagnose this disease correctly. Although odontogenic tetanus is rare, it is potentially life-threatening.

Instituciones: Universidad Privada Antenor Orrego; Universidad César Vallejo