Asociación entre Restricción del Crecimiento Fetal y presencia de microplásticos en placentas de gestantes atendidas en un hospital de tercer nivel de Manizales-Colombia, 2024-2025

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Fecha de publicación:
2026
Institución:
Universidad de Caldas
Repositorio:
Repositorio Institucional U. Caldas
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spa
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oai:repositorio.ucaldas.edu.co:ucaldas/26563
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https://repositorio.ucaldas.edu.co/handle/ucaldas/26563
Palabra clave:
610 - Medicina y salud::618 - Ginecología, obstetricia, pediatría, geriatría
3. Ciencias Médicas y de la Salud
Microplásticos
Placenta
Restricción del crecimiento fetal
Embarazo
Exposición ambiental
Salud materno-fetal
Contaminación ambiental
Salud pública
Toxicología
Embriología
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id REPOUCALDA_6d27f1c6b9d20c70348947d99c97ac13
oai_identifier_str oai:repositorio.ucaldas.edu.co:ucaldas/26563
network_acronym_str REPOUCALDA
network_name_str Repositorio Institucional U. Caldas
repository_id_str
dc.title.none.fl_str_mv Asociación entre Restricción del Crecimiento Fetal y presencia de microplásticos en placentas de gestantes atendidas en un hospital de tercer nivel de Manizales-Colombia, 2024-2025
title Asociación entre Restricción del Crecimiento Fetal y presencia de microplásticos en placentas de gestantes atendidas en un hospital de tercer nivel de Manizales-Colombia, 2024-2025
spellingShingle Asociación entre Restricción del Crecimiento Fetal y presencia de microplásticos en placentas de gestantes atendidas en un hospital de tercer nivel de Manizales-Colombia, 2024-2025
610 - Medicina y salud::618 - Ginecología, obstetricia, pediatría, geriatría
3. Ciencias Médicas y de la Salud
Microplásticos
Placenta
Restricción del crecimiento fetal
Embarazo
Exposición ambiental
Salud materno-fetal
Contaminación ambiental
Salud pública
Toxicología
Embriología
title_short Asociación entre Restricción del Crecimiento Fetal y presencia de microplásticos en placentas de gestantes atendidas en un hospital de tercer nivel de Manizales-Colombia, 2024-2025
title_full Asociación entre Restricción del Crecimiento Fetal y presencia de microplásticos en placentas de gestantes atendidas en un hospital de tercer nivel de Manizales-Colombia, 2024-2025
title_fullStr Asociación entre Restricción del Crecimiento Fetal y presencia de microplásticos en placentas de gestantes atendidas en un hospital de tercer nivel de Manizales-Colombia, 2024-2025
title_full_unstemmed Asociación entre Restricción del Crecimiento Fetal y presencia de microplásticos en placentas de gestantes atendidas en un hospital de tercer nivel de Manizales-Colombia, 2024-2025
title_sort Asociación entre Restricción del Crecimiento Fetal y presencia de microplásticos en placentas de gestantes atendidas en un hospital de tercer nivel de Manizales-Colombia, 2024-2025
dc.contributor.none.fl_str_mv Giraldo Osorio, Alexandra
Grupo Materno Perinatal de Caldas
Montoya, María Camila
Giraldo, José Fernando
dc.subject.none.fl_str_mv 610 - Medicina y salud::618 - Ginecología, obstetricia, pediatría, geriatría
3. Ciencias Médicas y de la Salud
Microplásticos
Placenta
Restricción del crecimiento fetal
Embarazo
Exposición ambiental
Salud materno-fetal
Contaminación ambiental
Salud pública
Toxicología
Embriología
topic 610 - Medicina y salud::618 - Ginecología, obstetricia, pediatría, geriatría
3. Ciencias Médicas y de la Salud
Microplásticos
Placenta
Restricción del crecimiento fetal
Embarazo
Exposición ambiental
Salud materno-fetal
Contaminación ambiental
Salud pública
Toxicología
Embriología
description Tablas
publishDate 2026
dc.date.none.fl_str_mv 2026-01-27T20:48:51Z
2026-01-27T20:48:51Z
2026-01-26
dc.type.none.fl_str_mv Trabajo de grado - Especialización
http://purl.org/coar/resource_type/c_18ws
Text
info:eu-repo/semantics/report
dc.type.coar.fl_str_mv http://purl.org/coar/resource_type/c_93fc
dc.identifier.none.fl_str_mv https://repositorio.ucaldas.edu.co/handle/ucaldas/26563
Universidad de Caldas
Repositorio Institucional Universidad de Caldas
repositorio.ucaldas.edu.co
url https://repositorio.ucaldas.edu.co/handle/ucaldas/26563
identifier_str_mv Universidad de Caldas
Repositorio Institucional Universidad de Caldas
repositorio.ucaldas.edu.co
dc.language.none.fl_str_mv spa
language spa
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dc.publisher.none.fl_str_mv Universidad de Caldas
Facultad de Ciencias para la Salud
Colombia, Caldas, Manizales
Especialización en Obstetricia y Ginecología
publisher.none.fl_str_mv Universidad de Caldas
Facultad de Ciencias para la Salud
Colombia, Caldas, Manizales
Especialización en Obstetricia y Ginecología
institution Universidad de Caldas
repository.name.fl_str_mv
repository.mail.fl_str_mv
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spelling Asociación entre Restricción del Crecimiento Fetal y presencia de microplásticos en placentas de gestantes atendidas en un hospital de tercer nivel de Manizales-Colombia, 2024-2025610 - Medicina y salud::618 - Ginecología, obstetricia, pediatría, geriatría3. Ciencias Médicas y de la SaludMicroplásticosPlacentaRestricción del crecimiento fetalEmbarazoExposición ambientalSalud materno-fetalContaminación ambientalSalud públicaToxicologíaEmbriologíaTablasLa contaminación ambiental por microplásticos (MPs) constituye una crisis global de salud pública, con evidencia creciente de su presencia en tejidos humanos incluyendo la placenta. La restricción del crecimiento fetal (RCF) representa una de las principales causas de morbilidad y mortalidad perinatal en el mundo, afecta aproximadamente 23.4 millones de recién nacidos anualmente. Aunque la exposición a MPs ha sido documentada en placentas humanas mediante técnicas avanzadas como espectroscopía infrarroja por transformada de Fourier (FTIR) y pirólisis-cromatografía de gases/espectrometría de masas, la evidencia epidemiológica sobre su asociación con desenlaces perinatales adversos en humanos permanece limitada. En Colombia, estudios en la costa Caribe han documentado concentraciones de microplásticos entre 249-1.387 partículas/m²; sin embargo, no existen investigaciones que evalúen sistemáticamente el impacto de esta exposición sobre la salud materno-fetal en población colombiana. La magnitud de la exposición humana y los mecanismos fisiopatológicos identificados que vinculan microplásticos con disfunción placentaria justifican la necesidad de investigaciones epidemiológicas robustas en poblaciones latinoamericanas. Objetivo: determinar la asociación entre restricción del crecimiento fetal y exposición a microplásticos en placentas de gestantes atendidas en un hospital de tercer nivel de Manizales-Colombia, 2024-2025. Métodos: estudio observacional analítico prospectivo de tipo caso-control en gestantes que dieron a luz en un hospital de tercer nivel de Manizales, Colombia, entre 2024-2025. Se incluyeron 46 casos con diagnóstico de RCF y 138 controles sin RCF (relación 1:3). Los criterios de exclusión fueron gestaciones múltiples, malformaciones genéticas fetales, datos incompletos y menores de edad. La exposición principal se definió como presencia cualitativa de microplásticos en tejido placentario analizado mediante FTIR y microscopía electrónica de barrido. Se evaluaron variables sociodemográficas, clínicas y obstétricas mediante historias clínicas. El análisis incluyó descripción de características (frecuencias, medias± desviación estándar (DE), medianas con rangos intercuartílicos), cálculo de odds ratio (OR) crudos con IC95% mediante chi-cuadrado o prueba exacta de Fisher, y modelos de regresión logística binaria ajustados por edad materna, paridad y variables sociodemográficas. El nivel de significancia se estableció en p<0,05. Resultados: se analizaron 184 gestantes con edad media 26 años, predominando residencia urbana (80,4%) y régimen contributivo (56,5%). La prevalencia de microplásticos en placentas fue 91,85%, sin diferencias significativas entre casos (91,3%) y controles (92,0%) (p=1,00). El OR crudo fue 0,91 (IC95%: 0,27-3,01). La distribución de polímeros fue polietileno 46,2%, polipropileno 32,6%, poliestireno 7,1% y polivinilo 2,2%. Al analizar polímeros específicos, polipropileno vs polietileno mostró OR=1,49 (IC95%: 0,70-3,16; p=0,298). Los desenlaces obstétricos difirieron significativamente: peso neonatal 2.521±321g en casos vs 3.129±328g en controles (p<0,001); cesárea 47,8% vs 23,2% (p=0,001); edad gestacional mediana 37,2 vs 39,1 semanas (p<0,001). La anemia materna mostró asociación marginalmente significativa (6,5% vs 0,7%; p=0,049). Conclusión: la contaminación placentaria por MPs constituye un fenómeno universal en la población estudiada, con prevalencia de 91,8% independiente de RCF. No se demostró asociación estadísticamente significativa entre presencia cualitativa de microplásticos y RCF (OR=0,91; IC95%: 0,27-3,01; p=1,00). La ausencia de asociación puede atribuirse a la universalidad de exposición y evaluación cualitativa sin cuantificación de concentraciones. El perfil de polímeros (polietileno 46,2%, polipropileno 32,6%) concuerda con literatura internacional. Estos hallazgos subrayan la necesidad de metodologías que cuantifiquen concentraciones, caractericen tamaños de partículas y evalúen aditivos químicos para establecer relaciones dosis-respuesta. Mientras se genera esta evidencia, los principios de precaución justifican intervenciones de salud pública orientadas a reducir exposición gestacional a plásticos.Introduction: Environmental contamination by microplastics (MPs) constitutes a global public health crisis, with increasing evidence of their presence in human tissues, including the placenta. Fetal growth restriction (FGR) represents one of the leading causes of perinatal morbidity and mortality worldwide, affecting approximately 23.4 million newborns annually. Although MP exposure has been documented in human placentas using advanced techniques such as Fourier-transform infrared spectroscopy (FTIR) and pyrolysis-gas chromatography/mass spectrometry, epidemiological evidence regarding its association with adverse perinatal outcomes in humans remains limited. In Colombia, studies on the Caribbean coast have documented microplastic concentrations between 249–1,387 particles/m²; however, there are no systematic investigations evaluating the impact of this exposure on maternal-fetal health in the Colombian population. The magnitude of human exposure and the identified pathophysiological mechanisms linking microplastics to placental dysfunction justify the need for robust epidemiological research in Latin American populations. Objective: To determine the association between fetal growth restriction and microplastic exposure in the placentas of pregnant women treated at a tertiary-level hospital in Manizales, Colombia, 2024–2025. Methods: A prospective analytical observational case-control study was conducted among pregnant women who gave birth at a tertiary-level hospital in Manizales, Colombia, between 2024 and 2025. The study included 46 cases with an FGR diagnosis and 138 controls without FGR (1:3 ratio). Exclusion criteria were multiple pregnancies, fetal genetic malformations, incomplete data, and underage patients. The primary exposure was defined as the qualitative presence of microplastics in placental tissue analyzed via FTIR and scanning electron microscopy (SEM). Sociodemographic, clinical, and obstetric variables were evaluated through medical records. Analysis included characteristic descriptions (frequencies, means ± standard deviation (SD), medians with interquartile ranges), calculation of crude odds ratios (OR) with 95% CI using chi-square or Fisher's exact test, and binary logistic regression models adjusted for maternal age, parity, and sociodemographic variables. The significance level was set at p < 0.05. Results: A total of 184 pregnant women were analyzed (mean age 26 years), with a predominance of urban residence (80.4%) and contributory health insurance regime (56.5%). The prevalence of microplastics in placentas was 91.85%, with no significant differences between cases (91.3%) and controls (92.0%) (p = 1.00). The crude OR was 0.91 (95% CI: 0.27–3.01). The polymer distribution was polyethylene (46.2%), polypropylene (32.6%), polystyrene (7.1%), and polyvinyl (2.2%). When analyzing specific polymers, polypropylene vs. polyethylene showed an OR = 1.49 (95% CI: 0.70–3.16; p = 0.298). Obstetric outcomes differed significantly: neonatal weight was 2,521 ± 321g in cases vs. 3,129 ± 328g in controls (p < 0.001); cesarean section rates were 47.8% vs. 23.2% (p = 0.001); and median gestational age was 37.2 vs. 39.1 weeks (p < 0.001). Maternal anemia showed a marginally significant association (6.5% vs. 0.7%; p = 0.049). Conclusion: Placental MP contamination constitutes a universal phenomenon in the studied population, with a prevalence of 91.8% regardless of FGR. No statistically significant association was demonstrated between the qualitative presence of microplastics and FGR (OR = 0.91; 95% CI: 0.27–3.01; p = 1.00). The lack of association may be attributed to the universality of exposure and the qualitative assessment without concentration quantification. The polymer profile (polyethylene 46.2%, polypropylene 32.6%) is consistent with international literature. These findings highlight the need for methodologies that quantify concentrations, characterize particle sizes, and evaluate chemical additives to establish dose-response relationships. While this evidence is generated, precautionary principles justify public health interventions aimed at reducing gestational plastic exposure.Introducción -- Planteamiento del problema -- Pregunta de investigación -- Justificación -- Referente teórico -- Antecedentes -- Marco teórico -- Definición de microplásticos -- Clasificación según su origen: primarios y secundarios -- Clasificación según morfología -- Clasificación según tamaño -- Clasificación según composición química -- Aditivos químicos en plásticos -- Bisfenoles (bpa) -- Ftalatos -- Retardantes de llama bromados (pbdes) -- Fuentes de exposición a microplásticos en humanos -- Agua de consumo -- Aire ambiente -- Alimentos -- Vías de exposición humana -- Ingestión -- Inhalación -- Absorción dérmica -- Evidencia de microplásticos en tejidos humanos y animales -- Detección en múltiples órganos y sistemas humanos -- Placenta humana -- Anatomía y fisiología -- Función de barrera y de intercambio -- Microplásticos en placentas -- Vías de entrada de microplásticos y efectos sobre la placenta -- Alteración de la función endocrina placentaria -- Restricción del crecimiento fetal -- Definiciones -- Feto pequeño para la edad gestacional -- Restricción del crecimiento fetal -- Criterios diagnósticos -- Rcf inicio temprano -- Rcf inicio tardío -- Clasificación -- Rcf simétrica -- Rcf asimétrica -- Fisiopatología -- Factores maternos -- Factores fetales -- Factores placentarios -- Evaluación diagnóstica -- Biometría fetal por ecografía -- Velocimetría doppler -- Arteria umbilical -- Arteria cerebral media y relación cerebroplacentaria -- Ductus venoso -- Complicaciones neonatales -- Morbilidad a corto plazo -- Asociación entre restricción de crecimiento fetal y exposición a microplásticos -- Objetivos -- General -- Específicos -- Materiales y métodos -- Tipo, nivel y diseño del estudio -- Hipótesis -- Hipótesis nula -- Hipótesis alterna -- Población de estudio -- Muestra -- Criterios de inclusión -- Definición de caso -- Definición de control -- Criterios de exclusión -- Definición operacional de las variables -- Técnicas e instrumentos de recolección de la información -- Recolección y procesamiento de muestras -- Análisis estadístico -- Consideraciones éticas -- Declaración de uso de inteligencia artificial -- Resultados -- Características sociodemográficas y clínicas -- Desenlaces obstétricos -- Presencia de microplásticos en placentas humanas -- Caracterización del polímero encontrado -- Asociación entre restricción del crecimiento fetal y microplásticos -- Discusión -- Fortalezas del estudio -- Limitaciones metodológicas y de diseño del estudio -- Líneas de investigación futuras -- Conclusiones -- Recomendaciones -- Referencias bibliográficas -- AnexosEspecializaciónEstudio observacional, analítico, prospectivo, transversal, de nivel relacional, con diseño de casos y controles.Especialista en Obstetricia y GinecologíaSalud AmbientalUniversidad de CaldasFacultad de Ciencias para la SaludColombia, Caldas, ManizalesEspecialización en Obstetricia y GinecologíaGiraldo Osorio, AlexandraGrupo Materno Perinatal de CaldasMontoya, María CamilaGiraldo, José FernandoOcampo Palacio, Alejandro2026-01-27T20:48:51Z2026-01-27T20:48:51Z2026-01-26Trabajo de grado - Especializaciónhttp://purl.org/coar/resource_type/c_18wsTextinfo:eu-repo/semantics/reporthttp://purl.org/coar/resource_type/c_93fc78 páginasapplication/pdfapplication/pdfapplication/pdfapplication/pdfhttps://repositorio.ucaldas.edu.co/handle/ucaldas/26563Universidad de CaldasRepositorio Institucional Universidad de Caldasrepositorio.ucaldas.edu.cospaGarcia MA, Liu R, Nihart A, Hayek El E, Castillo E, Barrozo ER, et al. 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