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      Survey of Obstetrician-Gynecologists about Giardiasis

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          Abstract

          Giardiasis is one of the most common parasitic diseases in the United States with over 15 400 cases reported in 2005. A survey was conducted by The American College of Obstetricians and Gynecologists (ACOG) in collaboration with the Centers for Disease Control and Prevention (CDC) to evaluate the knowledge of obstetricians and gynecologists regarding the diagnosis and treatment of giardiasis. The questionnaire was distributed to a random sample of 1200 ACOG fellows during February through June of 2006. Five hundred and two (42%) responded to the survey. The respondents showed good general knowledge about diagnosis, transmission, and prevention; however, there was some uncertainty about the treatment of giardiasis and which medications are the safest to administer during the first trimester of pregnancy.

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          Treatment of giardiasis.

          Alan Gardner, D. Hill (2000)
          Giardia lamblia is both the most common intestinal parasite in the United States and a frequent cause of diarrheal illness throughout the world. In spite of its recognition as an important human pathogen, there have been relatively few agents used in therapy. This paper discusses each class of drugs used in treatment, along with their mechanism of action, in vitro and clinical efficacy, and side effects and contraindications. Recommendations are made for the preferred treatment in different clinical situations. The greatest clinical experience is with the nitroimidazole drugs, i.e., metronidazole, tinidazole, and ornidazole, which are highly effective. A 5- to 7-day course of metronidazole can be expected to cure over 90% of individuals, and a single dose of tinidazole or ornidazole will cure a similar number. Quinacrine, which is no longer produced in the United States, has excellent efficacy but may be poorly tolerated, especially in children. Furazolidone is an effective alternative but must be administered four times a day for 7 to 10 days. Paromomycin may be used during early pregnancy, because it is not systematically absorbed, but it is not always effective. Patients who have resistant infection can usually be cured by a prolonged course of treatment with a combination of a nitroimidazole with quinacrine.
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            An updated review on Cryptosporidium and Giardia.

            B. Emma Huang, Richard White (2006)
            Cryptosporidium and Giardia are two of the most commonly occurring enteric protozoans. They are responsible for diarrheal diseases that may lead to nutritional deficiencies and significant morbidity and mortality, especially among children in developing countries and patients who have immune defects. Both are difficult to diagnose with microscopic techniques. This article provides an updated review of the epidemiology, pathogenesis, clinical manifestations, and treatment of Cryptosporidium and Giardia.
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              Common intestinal parasites.

              Corry Kucik, Tara G. Martin, Brett V Sortor (2004)
              Intestinal parasites cause significant morbidity and mortality. Diseases caused by Enterobius vermicularis, Giardia lamblia, Ancylostoma duodenale, Necator americanus, and Entamoeba histolytica occur in the United States. E. vermicularis, or pinworm, causes irritation and sleep disturbances. Diagnosis can be made using the "cellophane tape test." Treatment includes mebendazole and household sanitation. Giardia causes nausea, vomiting, malabsorption, diarrhea, and weight loss. Stool ova and parasite studies are diagnostic. Treatment includes metronidazole. Sewage treatment, proper handwashing, and consumption of bottled water can be preventive. A. duodenale and N. americanus are hookworms that cause blood loss, anemia, pica, and wasting. Finding eggs in the feces is diagnostic. Treatments include albendazole, mebendazole, pyrantel pamoate, iron supplementation, and blood transfusion. Preventive measures include wearing shoes and treating sewage. E. histolytica can cause intestinal ulcerations, bloody diarrhea, weight loss, fever, gastrointestinal obstruction, and peritonitis. Amebas can cause abscesses in the liver that may rupture into the pleural space, peritoneum, or pericardium. Stool and serologic assays, biopsy, barium studies, and liver imaging have diagnostic merit. Therapy includes luminal and tissue amebicides to attack both life-cycle stages. Metronidazole, chloroquine, and aspiration are treatments for liver abscess. Careful sanitation and use of peeled foods and bottled water are preventive.
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                Author and article information

                Journal
                Journal ID (nlm-ta): Infect Dis Obstet Gynecol
                Journal ID (publisher-id): IDOG
                Title: Infectious Diseases in Obstetrics and Gynecology
                Publisher: Hindawi Publishing Corporation
                ISSN (Print): 1064-7449
                ISSN (Electronic): 1098-0997
                Publication date (Print): 2007
                Publication date (Electronic): 25 June 2007
                Volume: 2007
                Electronic Location Identifier: 21261
                Affiliations
                1National Center Zoonotic, Vectorborne, and Enteric Diseases (NCZVED), Coordinating Center for Infectious Diseases (CCID), Centers for Disease Control and Prevention, Mailstop F-22, 4770 Buford Highway NE, Atlanta, GA 30341-3724, USA
                2Department of Research, The American College of Obstetricians and Gynecologists, 409 12th Street SW, Washington, DC 20024-2188, USA
                Author notes
                *Jeffrey L. Jones: jlj1@ 123456cdc.gov
                Article
                DOI: 10.1155/2007/21261
                PMC ID: 1939915
                PubMed ID: 17710238
                SO-VID: 25ea98a3-deda-45fb-89ad-e9f23a202faa
                Copyright © Copyright © 2007 Amy Krueger et al.
                License:

                This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

                History
                Date received : 5 February 2007
                Date accepted : 24 April 2007
                Categories
                Subject: Research Article

                ScienceOpen disciplines: Obstetrics & Gynecology
                Data availability:
                ScienceOpen disciplines: Obstetrics & Gynecology

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