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Anti-endotoxin antibodies consumption in cardiovascular collapse: Pathophysiological concerns / Consumo de anticuerpos antiendotoxina en el shock: relación etiológica
Villarreal, E; Ramírez, P; Gordon, M; Vicent, C; Gómez, M. D; Hevia, L. de; Vacacela, K; Alonso, R; Vila, J.
Affiliation
  • Villarreal, E; Hospital Universitario y Politécnico la Fe. Critical Care Department. Valencia. Spain
  • Ramírez, P; Hospital Universitario y Politécnico la Fe. Critical Care Department. Valencia. Spain
  • Gordon, M; Hospital Universitario y Politécnico la Fe. Critical Care Department. Valencia. Spain
  • Vicent, C; Hospital Universitario y Politécnico la Fe. Critical Care Department. Valencia. Spain
  • Gómez, M. D; Hospital Universitario y Politécnico la Fe. Microbiology Department. Valencia. Spain
  • Hevia, L. de; Hospital Universitario y Politécnico la Fe. Critical Care Department. Valencia. Spain
  • Vacacela, K; Hospital Universitario y Politécnico la Fe. Critical Care Department. Valencia. Spain
  • Alonso, R; Hospital Universitario y Politécnico la Fe. Laboratory Department. Valencia. Spain
  • Vila, J; University of Barcelona. School of Medicine. IDIBAPS. Barcelona. Spain
Med. intensiva (Madr., Ed. impr.) ; 47(6): 338-344, jun. 2023. tab, graf
Article in English | IBECS | ID: ibc-221061
Responsible library: ES1.1
Localization: ES15.1 - BNCS
ABSTRACT
Objective Abnormal endotoxin activity in critically ill patients has been described in the absence of Gram-negative bacterial (GNB) infection. As disease severity seems to be crucial in the detection of this phenomenon, we decided to assess and compare endotoxin exposure in those patients representing the critical situation septic shock and cardiogenic shock. Design Prospective, observational non intervention study. Setting Critical Care Department of a University tertiary hospital. Patients Cardiogenic shock (CS) and septic shock (SS) patients. Interventions None. Measurements and main results Follow-up was performed for the first three days. Inflammatory biomarkers (C-reactive protein, procalcitonin and interleuquin-6) and IgM antiendotoxin-core antibodies titter (IgM EndoCAb) were daily analyzed. Sixty-two patients were included; twenty-five patients with SS and thirty-seven with CS. Microbial etiology was established in 23 SS patients (92%) and GNB were present in 13 cases (52%). Although infection was suspected and even treated in 30 CS patients (81%), any episode could be finally confirmed. EndoCAb consumption was more intense in SS patients, although twenty-two CS patients (59.5%) had IgM anti-endotoxin value below 10th percentile range for healthy people. No statistically significant difference in endotoxin exposure was detected between Gram-positive and Gram-negative infections in the SS group. Endotoxin exposure ability to distinguish between SS and CS was moderate (AUC 0.7892, 95% IC 0.6564–0.9218).Conclusions In the severely ill patient some mechanisms take place allowing endotoxin incursion and therefore blurring the limits of diseases pathophysiology. Our work representatively shows how exposure to endotoxin was not fully capable of distinguishing between CS and SS. (AU)
RESUMEN
Objetivo En el paciente crítico se ha descrito una actividad incrementada de la endotoxina no asociada a infección por bacterias gramnegativas (BGN). La gravedad de la enfermedad influye en este fenómeno, por ello realizamos este estudio en el paciente crítico por antonomasia shock séptico y cardiogénico. Diseño Estudio prospectivo, observacional, sin intervención.Lugar de estudioUnidad de Cuidados Intensivos. Pacientes Pacientes en shock cardiogénico (SC) o séptico (SS).Intervención Ninguna. Determinaciones y principales resultados Seguimiento durante los 3 primeros días. Proteína C reactiva, procalcitonina e interleucina-6, y el título de anticuerpos IgM anti-edotoxina (IgM EndoCAb) se analizaron diariamente. Se incluyó a 62 pacientes; 25 con SS y 37 con SC. La etiología fue identificada en 23 pacientes con SS (92%), los BGN estuvieron presentes en 13 casos (52%). Se sospechó e incluso trató la infección en 30 pacientes con SC, pero en ningún caso se pudo confirmar. El consumo de EndoCAb fue más intenso en los pacientes con SS, pero 22 pacientes con SC (59,5%) tuvieron unos valores por debajo del percentil 10. Los niveles de EndoCAb no fueron significativamente diferentes entre las infecciones por BGN y cocos grampositivos. La capacidad de EndoCab para diferenciar entre SC y SS resultó ser moderada (AUC 0,7892; IC del 95%, 0,6564-0,9218).Conclusiones En el paciente crítico es frecuente que la endotoxina provoque una respuesta inflamatoria y la sumación de distintos mecanismos fisiopatológicos. En este sentido, nuestro trabajo pone de manifiesto que la determinación de exposición a endotoxina no es totalmente capaz de distinguir entre los pacientes con SC y SS. (AU)
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Collection: National databases / Spain Database: IBECS Main subject: Shock, Cardiogenic / Shock, Septic / Immunoglobulin M / Endotoxins Limits: Aged / Female / Humans / Male Language: English Journal: Med. intensiva (Madr., Ed. impr.) Year: 2023 Document type: Article Institution/Affiliation country: Hospital Universitario y Politécnico la Fe/Spain / University of Barcelona/Spain
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Collection: National databases / Spain Database: IBECS Main subject: Shock, Cardiogenic / Shock, Septic / Immunoglobulin M / Endotoxins Limits: Aged / Female / Humans / Male Language: English Journal: Med. intensiva (Madr., Ed. impr.) Year: 2023 Document type: Article Institution/Affiliation country: Hospital Universitario y Politécnico la Fe/Spain / University of Barcelona/Spain
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