Dípteros asociados a miasis en humanos del distrito de Juanjuí, Región San Martín, 2023
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Date
2024
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Universidad Nacional de Trujillo
Abstract
Se conoce como miasis a la infestación de tejidos de vertebrados vivos con larvas de dípteros de diversas especies. Esto, puede ocurrir bajo ciertas circunstancias como maltrato y abandono de personas y animales, viajes a selvas tropicales y condiciones de saneamiento básico insuficientes. El objetivo del presente estudio fue determinar las especies de dípteros asociadas a miasis en humanos del distrito de Juanjuí, Región San Martín, 2023. Para esto, se realizaron entrevistas a 953 familias en los nueve centros poblados del distrito de Juanjuí, entre los meses de septiembre a diciembre del 2023, para obtener información sobre los casos de miasis en las personas y de sus conocimientos empíricos aplicados para su tratamiento. También se realizaron revisiones de 5 historias clínicas de casos documentados en los centros poblados de Juanjuí y Villaprado y como resultado se obtuvieron tres larvas conservadas en alcohol al 70%, procedentes de dos pacientes atendidos y diagnosticados como miasis cutánea. Las larvas fueron identificadas como Dermatobia hominis. La intensidad media parasitaria fue 2.2 larvas por persona. Además, basados únicamente en la descripción de las larvas que indicaron los entrevistados, se asume que las miasis fueron ocasionadas por Dermatobia hominis, presentando una tasa de prevalencia de 46.48%. El conocimiento de la población muestra una asociación significativa (p-valor < 0.001) entre las personas que observaron miasis en humanos y animales, ya que hay evidencia de que las moscas que infestan animales, pueden invadir tejidos humanos, por tanto, adquieren importancia en la salud pública, surgiendo la necesidad de generar información que ayuden a futuros investigadores a diagnosticar y tratar estos casos.
The infestation of live vertebrate tissues with dipteran larvae of various species is known as myiasis. This can occur under certain circumstances such as abuse and abandonment of people and animals, trips to tropical jungles and insufficient basic sanitation conditions. The objective of the present study was to determine the dipteran species associated with myiasis in humans in the Juanjuí district, San Martín Region, 2023. For this, interviews were carried out with 953 families in the nine population centers of the Juanjuí district, between the months of September to December 2023, to obtain information about cases of myiasis in people and their empirical knowledge applied to its treatment. Reviews were also carried out on 5 clinical records of cases documented in the towns of Juanjuí and Villaprado and as a result, three larvae preserved in 70% alcohol were obtained, from two patients treated and diagnosed as cutaneous myiasis. The larvae were identified as Dermatobia hominis. The average parasite intensity was 2.2 larvae per person. Furthermore, based solely on the description of the larvae indicated by the interviewees, it is assumed that the myiasis was caused by Dermatobia hominis, presenting a prevalence rate of 46.48%. Knowledge of the population shows a significant association (p-value < 0.001) between people who observed myiasis in humans and animals, since there is evidence that flies that infest animals can invade human tissues, therefore, they become important in public health, arising the need to generate information that helps future researchers diagnose and treat these cases.
The infestation of live vertebrate tissues with dipteran larvae of various species is known as myiasis. This can occur under certain circumstances such as abuse and abandonment of people and animals, trips to tropical jungles and insufficient basic sanitation conditions. The objective of the present study was to determine the dipteran species associated with myiasis in humans in the Juanjuí district, San Martín Region, 2023. For this, interviews were carried out with 953 families in the nine population centers of the Juanjuí district, between the months of September to December 2023, to obtain information about cases of myiasis in people and their empirical knowledge applied to its treatment. Reviews were also carried out on 5 clinical records of cases documented in the towns of Juanjuí and Villaprado and as a result, three larvae preserved in 70% alcohol were obtained, from two patients treated and diagnosed as cutaneous myiasis. The larvae were identified as Dermatobia hominis. The average parasite intensity was 2.2 larvae per person. Furthermore, based solely on the description of the larvae indicated by the interviewees, it is assumed that the myiasis was caused by Dermatobia hominis, presenting a prevalence rate of 46.48%. Knowledge of the population shows a significant association (p-value < 0.001) between people who observed myiasis in humans and animals, since there is evidence that flies that infest animals can invade human tissues, therefore, they become important in public health, arising the need to generate information that helps future researchers diagnose and treat these cases.
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Keywords
miasis cutánea, selva, Perú