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Infantile hookworm disease in China. A review
1Institute of Parasitic Diseases, Chinese Academy of Preventive Medicine, Shanghai, China.
Acta Tropica
|August 1, 1995
Summary
Infantile hookworm disease, primarily caused by Ancylostoma duodenale, has been prevalent in China since the 1960s. Infections are mainly transmitted from mothers to newborns via transplacental or transmammary routes.
Area of Science:
- * Parasitology
- * Pediatrics
- * Infectious Diseases
Background:
- * Since the 1960s, hundreds of infantile hookworm disease cases have been reported in China.
- * Clinical signs include bloody stools, melena, anorexia, listlessness, and edema.
- * Hookworm eggs have been detected in the feces of affected infants.
Purpose of the Study:
- * To investigate the causative agent and transmission routes of infantile hookworm disease in China.
- * To analyze the clinical manifestations and epidemiological patterns of the disease.
Main Methods:
- * Review of reported cases of infantile hookworm disease in China.
- * Identification of adult worms from patient samples (chemotherapy-expelled or autopsy).
- * Analysis of clinical data and egg detection in infant feces.
Main Results:
- * Ancylostoma duodenale was identified as the predominant species, with one case of Necator americanus.
- * Many infants exhibited symptoms and eggs within 26 days of birth, with most cases occurring within 3 months.
- * Infections were frequently observed in very young infants, suggesting early transmission.
Conclusions:
- * Infantile hookworm disease in China is primarily caused by Ancylostoma duodenale.
- * Transplacental and/or transmammary transmission from mothers to infants is the likely primary route of infection.
- * Early diagnosis and intervention are crucial for managing infantile hookworm disease.