Can community health workers identify omphalitis? A validation study from Southern Province, Zambia

Trop Med Int Health. 2018 Jul;23(7):806-813. doi: 10.1111/tmi.13074. Epub 2018 Jun 19.

Abstract

Objective: Omphalitis, or umbilical cord infection, is an important cause of newborn morbidity and mortality in low-resource settings. We tested an algorithm that task-shifts omphalitis diagnosis to community-level workers in sub-Saharan Africa.

Methods: Community-based field monitors and Zambian paediatricians independently evaluated newborns presenting to health facilities in Southern Zambia using a signs and symptoms checklist. Responses were compared against the paediatrician's gold standard clinical diagnosis.

Results: Of 1009 newborns enrolled, 6.2% presented with omphalitis per the gold standard clinical diagnosis. Paediatricians' signs and symptoms with the highest sensitivity were presence of pus (79.4%), redness at the base (50.8%) and newborn flinching when cord was palpated (33.3%). The field monitor's signs and symptoms answers had low correlation with paediatrician's answers; all signs and symptoms assessed had sensitivity <16%.

Conclusion: Despite extensive training, field monitors could not consistently identify signs and symptoms associated with omphalitis in the sub-Saharan African setting.

Keywords: Zambia; Zambie; agents de santé communautaires; community health workers; infection du cordon ombilical; newborn health; omphalite; omphalitis; santé du nouveau-né; umbilical cord infection; validation.

Publication types

  • Multicenter Study
  • Research Support, Non-U.S. Gov't
  • Validation Study

MeSH terms

  • Algorithms
  • Anti-Infective Agents, Local / administration & dosage
  • Checklist / standards*
  • Chlorhexidine / administration & dosage
  • Community Health Services / standards*
  • Community Health Workers
  • Female
  • Humans
  • Infant
  • Infant Mortality
  • Infant, Newborn
  • Male
  • Maternal-Child Health Services / standards*
  • Reproducibility of Results
  • Sensitivity and Specificity
  • Skin Diseases, Bacterial / diagnosis*
  • Skin Diseases, Bacterial / epidemiology
  • Skin Diseases, Bacterial / mortality
  • Skin Diseases, Bacterial / prevention & control
  • Umbilical Cord*
  • Zambia / epidemiology

Substances

  • Anti-Infective Agents, Local
  • Chlorhexidine