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Original Article
Available online 14 October 2024
Peritoneal scintigraphy and SPECT/TC in the diagnosis of leaks in patients on peritoneal dialysis
Gammagrafía peritoneal y SPECT/TC en el diagnóstico de fugas en pacientes en diálisis peritoneal
D. Tercero Garridoa,b,
Corresponding author
, M.V. Guiote Morenoa,b, C. Rodelo-Haadb,c, P.I. Contreras Puertasa, S. Soriano Cabrerab,c, M.D. Albalá Gonzáleza,b
a Unidad de Gestión Clínica de Medicina Nuclear, Hospital Universitario Reina Sofía, 14004, Córdoba, Spain
b Instituto Maimónides de Investigación Biomédica (IMIBIC), Universidad de Córdoba, 14004, Córdoba, Spain
c Unidad de Gestión Clínica de Nefrología, Hospital Universitario Reina Sofía, 14004, Córdoba, Spain
Received 02 August 2024. Accepted 22 September 2024
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Tables (3)
Table 1. Sociodemographic and general characteristics of the study population.
Table 2. Results of peritoneal cavity scintigraphy in the present descriptive case series. Total N = 11.
Table 3. Contribution of SPECT/CT as a complementary study to planar scintigraphy in the localization of peritoneal leakages.
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Abstract
Objective

To assess the usefulness of peritoneal cavity scintigraphy and the contribution of SPECT/CT in patients on peritoneal dialysis with suspected leak.

Methodology

An observational case series study is carried out. It consists of a longitudinal, retrospective and descriptive study. 11 patients on peritoneal dialysis were studied and it was realiced a peritoneal cavity scintigraphy test and SPECT/CT to evaluate a peritoneal leak.

Results

In 54,5% of the patients, a positive study of peritoneal leak was obtained. The most frequent localitations were in the abdominal wall at the catheter entry level and the inguinal hernia. In the cases with sintomatology like pain and celullitis of the subcutaneous tract of the cateter the frequent of leak was 100%. There was a change in therapeutic management in patients with a positive study. There was not relevant changes in initial dialysis regimen in patients with a negative study. In this cases, except for one patient who required hemodialysis, all patients experienced clinical improvement.

Conclusions

Peritoneal scintigraphy and SPECT/CT study are non-invasive techniques that allow an adequate diagnosis and subsequent management of peritoneal leak.

Keywords:
Scintigraphy
CT SPECT
Peritoneal leak
Peritoneal dialysis
[99mTc] Tc-albumin nanocolloids
Resumen
Objetivo

Valorar la utilidad de la gammagrafía de cavidad peritoneal y la aportación del SPECT/CT en pacientes en diálisis peritoneal con sospecha de fuga.

Metodología

Se realiza un estudio observacional serie de casos. Consiste en un estudio longitudinal, retrospectivo y descriptivo en el cual se estudian 11 pacientes en diálisis peritoneal, que se realizaron gammagrafía de cavidad peritoneal y SPECT/CT por sospecha de fuga.

Resultados

En el 54,5% de los pacientes se obtuvo estudio positivo de fuga peritoneal, cuyas localizaciones más frecuentes se encuentran en pared abdominal a nivel de entrada de catéter y en hernia inguinal. En los pacientes con dolor y celulitis del trayecto subcutáneo del catéter se visualizó con más frecuencia fuga en la gammagrafía.

En los pacientes con estudio positivo hubo un cambio en el manejo terapéutico. En los pacientes con estudio negativo no se hicieron cambios relevantes en la pauta de diálisis inicial, con mejoría clínica en todos ellos, salvo un caso que requirió hemodiálisis.

Conclusiones

La gammagrafía peritoneal y el estudio SPECT/CT son técnicas no invasivas que permiten un adecuado diagnóstico y posterior manejo de fuga peritoneal.

Palabras clave:
Gammagrafía
SPECT-CT
Fuga peritoneal
Diálisis peritoneal
[99mTc] Tc-nanocoloides de albúmina

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