Capnocytophaga bacteremia precipitating severe thrombocytopenia and preterm labor in an asplenic host

  • Austin M. Hopkins | austin_hopkins@med.unc.edu University of North Carolina School of Medicine, Chapel Hill, NC, United States.
  • Nerlyne Desravines Department of Obstetrics & Gynecology, University of North Carolina School of Medicine, Chapel Hill, NC, United States.
  • Elizabeth M. Stringer Division of Maternal Fetal Medicine, Department of Obstetrics & Gynecology, University of North Carolina School of Medicine, Chapel Hill, NC, United States.
  • Katelin Zahn Department of Obstetrics & Gynecology, University of North Carolina School of Medicine, Chapel Hill, NC, United States.
  • Carolyn M. Webster Division of Maternal Fetal Medicine, Department of Obstetrics & Gynecology, University of North Carolina School of Medicine, Chapel Hill, NC, United States.
  • Kayla Krajick University of North Carolina School of Medicine, Chapel Hill, NC, United States.
  • Neeta L. Vora Division of Maternal Fetal Medicine, Department of Obstetrics & Gynecology, University of North Carolina School of Medicine, Chapel Hill, NC, United States.

Abstract

Capnocytophaga species are gram-negative bacilli that inhabit mammalian oral surfaces and can cause opportunistic infection, especially in asplenic patients. The species Capnocytophaga canimorsus is particularly associated with dog bites and is known to cause endocarditis, meningitis, and sepsis in the general population. In pregnant patients, infections tied to Capnocytophaga species from human flora have been associated with preterm labor, chorioamnionitis, and neonatal septicemia. There is little known about the effects of zoonotically-acquired Capnocytophaga infection in pregnant patients. In this case report, we present a patient with Capnocytophaga bacteremia acquired after a dog bite associated with profound thrombocytopenia and preterm labor. Dog bites are common in the United States, and we present basic recommendations for management of dog bites in pregnant patients in order to avoid morbidity associated with delay in time to antibiotic treatment of infection as described in this case.

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Published
2019-12-05
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Section
Case Reports
Keywords:
capnocytophaga, thrombocytopenia, preterm labor
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How to Cite
Hopkins, A. M., Desravines, N., Stringer, E. M., Zahn, K., Webster, C. M., Krajick, K., & Vora, N. L. (2019). Capnocytophaga bacteremia precipitating severe thrombocytopenia and preterm labor in an asplenic host. Infectious Disease Reports, 11(3). https://doi.org/10.4081/idr.2019.8272