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Inicio Revista Española de Medicina Nuclear e Imagen Molecular (English Edition) Usefulness of scintigraphy with labeled leucocytes and SPECT/CT in vascular graf...
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Vol. 36. Issue 6.
Pages 388-391 (November - December 2017)
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Vol. 36. Issue 6.
Pages 388-391 (November - December 2017)
Clinical note
Usefulness of scintigraphy with labeled leucocytes and SPECT/CT in vascular graft infection
Utilidad de la gammagrafía con leucocitos marcados y SPECT/TC en la infección de injertos vasculares
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V. Marín-Oyagaa,b,
Corresponding author
vmarin@cardioinfantil.org

Corresponding author.
, C. Gutierrez-Villamila,b, D. García-Conchac, S. Arevalo-Leala,b
a Servicio de Medicina Nuclear, Fundación Cardioinfantil, Instituto de Cardiología, Bogotá, Colombia
b Escuela de Medicina y Ciencias de la Salud, Universidad del Rosario, Bogotá, Colombia
c Facultad de Medicina, Fundación Universitaria de Ciencias de la Salud, Bogotá, Colombia
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Abstract

Vascular graft infections are a rare complication in this type of procedure. However, when they do occur, they usually have high morbidity, and even a high mortality. Proper identification and location is crucial for the appropriate and early management, whether medical or surgical, thus knowledge of the right tools is paramount. Nuclear medicine studies play an important role in this regard, either by using labeled white blood cells scintigraphy or 18F-FDG. The choice, among other factors, will depend on the experience with both techniques by the different groups, their knowledge of them, as well as their availability.

Two cases are presented in which 99mTc-HMPAO-white blood cells SPECT/CT scintigraphy was very useful in the diagnosis and location of the suspected infectious compromise, which led to the subsequent appropriate and guided management. Both cases were confirmed clinically and microbiologically.

Keywords:
Blood vessel prosthesis infection
99mTc-white blood cells scintigraphy
SPECT/CT
Resumen

La infección de injertos vasculares es una complicación poco frecuente en este tipo de procedimientos. Sin embargo, cuando se presentan suelen tener una alta morbilidad e incluso una alta mortalidad. Su adecuada identificación y localización es crucial para el pertinente y temprano manejo, ya sea médico o quirúrgico, por lo que el conocimiento de las herramientas adecuadas es primordial. Los estudios de medicina nuclear tienen un importante papel en este sentido, ya sea mediante gammagrafía con leucocitos marcados o con 18F-FDG. La elección dependerá de la experiencia con ambas técnicas de los diferentes grupos, del conocimiento de las mismas y de su disponibilidad, entre otros factores.

Presentamos 2 casos en los que la gammagrafía con 99mTc-HMPAO-leucocitos autógenos marcados-SPECT/TC fue de gran utilidad en el diagnóstico y localización del compromiso infeccioso sospechado y, por lo tanto, en el adecuado y guiado manejo posterior. Ambos casos tuvieron confirmación clínica y microbiológica.

Palabras clave:
Infección de injerto vascular
Gammagrafía con 99mTc-leucocitos marcados
SPECT/TC

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