Human ascariasis in the Astrakhan Region (2015–2017)


DOI: https://dx.doi.org/10.18565/epidem.2018.4.30-33

Arakelyan R.S., Okunskaya E.I., Konnova O.V., Galimzyanov Kh.M., Postnova V.F., Shendo G.L., Ramazanova D.N., Kadralieva S.A., Kuksina Yu.M.

1 Astrakhan State Medical University, Ministry of Health of Russia, Astrakhan, Russia; 2 City Children’s Polyclinic Three, Astrakhan, Russia; 3 Center for Hygiene and Epidemiology in the Astrakhan Region, Astrakhan, Russia; 4 Federal Service for Supervision of Consumer Rights Protection and Human Well-Being Directorate for the Astrakhan Region, Astrakhan, Russia; 5 City Polyclinic One, Astrakhan, Russia
Objective. To analyze the epidemic situation of ascariasis in the Astrakhan Region over 2015–2017.
Subjects and methods. Thirty-eight epidemiological survey schedules were analyzed in persons infected with Ascaris worms. Among the patients, there were 19 (50%) children younger than 17 years and 19 (50%) adults aged 18 to 65 years. Coproovoscopic techniques were used to diagnose the disease.
Results. The main complaints were abdominal pain (23.7%), bowel dysfunction (10.5%), poor appetite (10.5%), nausea (7.9%), vomiting (7.9%), fever (5.3%), rapid fatigue (5.3%), headache (5.3%), and cough (5.3%). In isolated cases, the patients complained of teeth grinding at night (2.6%), heaviness and rumbling in the epigastric region (2.6%), skin itch (2.6%), and general weakness (2.6%); 6 (15.8%) persons noted an independent exit of a round parasite measuring 10 to 30 cm.
Conclusion. Annual preventive examinations revealed most of the patients with ascariasis. The primary cause of the infection is failure to comply with good personal hygiene. The presence of cough in ascariasis indicates the extraintestinal site of the parasite. The absence of complaints in persons invaded by Ascaridae is characteristic of the asymptomatic course of the disease. The unfertilized parasite eggs found in the stool suggest that only an immature female Ascaris worm is present in the patient’s body. Negative test results and the exit of a male roundworm at time of defecation confirm that the adults are absent in the human body.

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For citations: Arakelyan R.S., Okunskaya E.I., Konnova O.V., Galimzyanov Kh.M., Postnova V.F., Shendo G.L., Ramazanova D.N., Kadralieva S.A., Kuksina Yu.M. Human ascariasis in the Astrakhan Region (2015–2017). Èpidemiologiâ i infekcionnye bolezni. Аktual’nye voprosy 2018; (4):30–33 (In Russ.).


About the Autors


Rudolf S. Arakelyan, Cand. Med. Sci., Associate Professor, Department of Infectious Diseases and Epidemiology, Astrakhan State Medical University, Ministry of Health of Russia, Astrakhan, Russia; е-mail: rudolf_astrakhan@rambler.ru; ORCID: http://orcid.org/0000-0001-7549-2925
Elena I. Okunskaya, Infectious Disease Parasitologist, Head, Helminthology Center, Children’s Polyclinic Three, Astrakhan, Russia; e-mail okunska@bk.ru
Olga V. Konnova, Cand. Philology Sci., Associate Professor, Department of Foreign Languages, Astrakhan State Medical University, Ministry of Health of Russia, Astrakhan, Russia; e-mail: vip.konnova@bk.ru
Prof. Khalil M. Galimzyanov, MD, Academician of the Russian Academy of Natural Sciences, Head, Department of Infectious Diseases and Epidemiology, Astrakhan State Medical University, Ministry of Health of Russia, Astrakhan, Russia; е-mail: agma@astranet.ru; ORCID: http://orcid.org/0000-0002-6263-8814
Valentina F. Postnova, Head, Parasitology Laboratory, Center for Hygiene and Epidemiology in the Astrakhan Region, Astrakhan, Russia; е-mail: astrfguz@yandex.ru
Gennady L. Shendo, Head Physician, Center for Hygiene and Epidemiology in the Astrakhan Region, Astrakhan, Russia; е-mail: astrfguz@yandex.ru
Dilyara N. Ramazanova, Subject Matter Expert, Department of Epidemiological Surveillance, Russian Federal Service for Supervision of Consumer Rights Protection and Human Well-Being Directorate for the Astrakhan Region, Astrakhan, Russia; е-mail: tu_rpn@astrakhan.ru
Salua A. Kadralieva, Head, Department of Therapy, City Polyclinic One, Astrakhan, Russia; е-mail: gp1astra@yandex.ru
Kuksina Julia Mikhailovna, Sixth-Year Student, Faculty of General Medicine, Astrakhan State Medical University, Ministry of Health of Russia, Astrakhan, Russia; е-mail: kica_95.2001@bk.ru


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