Cystic echinococcosis in Southern Israel

Shalom Ben-Shimol, Orli Sagi, Ohad Houri, Elina Bazarsky, Anat Berkowitz, Shlomi Bulkowstein, Chiya Barrett, David Greenberg

Research output: Contribution to journalArticlepeer-review

6 Scopus citations

Abstract

The aim of this retrospective, population-based study was to characterize demographically and clinically cystic-echinococcosis (CE) in southern Israel, between 2005 and 2012. Newly-diagnosed (nd-CE) and past-diagnosed (pd-CE, diagnosed before the study) cases were defined. Two populations live in southern-Israel, receiving medical treatment at a single hospital: the Jewish and the Bedouin populations (resembling resource-rich and resource-poor populations, respectively). 126 CE cases were identified; 55 nd-CE and 71 pd-CE. Mean annual nd-CE incidence per 100,000 in the Bedouin and Jewish populations were 2.7 ± 1.2 and 0.4 ± 0.3, respectively (P<0.001). None of the Bedouin and 86.5% of the Jewish patients were born outside Israel. Liver and lung involvement were recorded in 85.7% and 15.1% of overall-CE, respectively. Abdominal pain, cough, fever, eosinophilia and asymptomatic disease were documented in 63.6%, 32.7%, 27.3%, 41.5% and 12.7% of nd-CE, respectively. Serology sensitivity for first test and any positive test were 67.3% and 83.3%, respectively. Computed tomography, ultrasonography and X-ray diagnosis were documented in 79.2%, 58.4% and 17.0% of overall-CE, respectively, with ultrasonography mainly used in liver-CE and X-ray in lung-CE. Treatment included surgery and albendazole in 50.0% and 55.3% of CE, respectively. We conclude that CE is endemic in southern-Israel among the Bedouin population, while disease is probably mainly imported in the Jewish population. Liver involvement and eosinophilia rates were high compared with those of other endemic regions, possibly due to differences in the timing of diagnosis. These findings may help developing treatment and prevention strategies.

Original languageEnglish
Pages (from-to)178-186
Number of pages9
JournalActa Parasitologica
Volume61
Issue number1
DOIs
StatePublished - 1 Jan 2016

Keywords

  • Echinococcus granulosu
  • cystic echinococcosis
  • epidemiology
  • hydatid cystic disease

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