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Updated: Aug 13, 2026

Chronic Thromboembolic Pulmonary Hypertension and Assessment of Right Ventricular Function in the Piglet
Published on: November 4, 2015
[Extremly high frequency of infantil pulmonary thrombo-embolism (author's transl)]
Insights
Infant pulmonary thromboembolism was frequent in children under four years old, often linked to severe diarrheal diseases and dehydration. This study highlights a concerning trend in Valencia during 1951-1970.
Area of Science:
- Pediatric Pathology
- Public Health
- Epidemiology
Context:
- Autopsy data from 5,875 children (24 hours to 14 years) between 1951-1970 in Valencia.
- Identified 115 cases of pulmonary thromboembolism, with 96 occurring in children under four years old.
- Investigated the high incidence of infant pulmonary thromboembolism in a specific region and time period.
Purpose:
- To determine the frequency and potential causes of pulmonary thromboembolism in children.
- To explore the association between severe diarrheal diseases, dehydration, and thrombosis.
- To understand the influence of environmental and socioeconomic factors on pediatric health outcomes.
Summary:
- A high incidence of pulmonary thromboembolism was observed in young children, particularly those under four years old.
- Thrombosis in renal veins and cranial sinuses, secondary to severe dehydrating enterocolitis, was a significant contributing factor.
- Environmental, sanitary, and socioeconomic conditions in Valencia likely exacerbated the severity and frequency of these conditions.
Impact:
- Highlights a previously underreported issue of infant pulmonary thromboembolism linked to infectious diseases and environmental factors.
- Suggests a need for improved public health interventions and sanitation, especially in vulnerable populations.
- Provides valuable historical data for understanding pediatric thrombotic events and their determinants.
Abstract:
Among 5 875 children with a lifetime between 24 hours to 14 years, autopsiated during period 1951-1970, were found 115 cases of naked eye pulmonary thrombo-embolism. 96 cases occurred in children with a lifetime between 24 hours and 4 years. This extremly high frequency is caused by an unusually high number of thrombosis in renal veins and craneal sinuses, following severe diarrhetic diseases with deshydratation and haemoconcentration. Severity and frequency of this enterocolitis of different aetiology, affecting especially children of poor people, are favoured by the climatic, sanitarious and socio-economical conditions of Valencia. Surprisingly, literature do not mention comparables observations about infantil pulmonary thrombo-embolism, observed in territories of similar structure.
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