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Inicio Gastroenterología y Hepatología (English Edition) COVID-19 detection prior to motility examinations: Prospective evaluation of pre...
Journal Information
Vol. 46. Issue 9.
Pages 663-670 (November 2023)
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Vol. 46. Issue 9.
Pages 663-670 (November 2023)
Original article
COVID-19 detection prior to motility examinations: Prospective evaluation of pre-test questionnaires and PCR-testing
Detección de infección por COVID-19 previo a exploraciones de motilidad: evaluación prospectiva de cuestionarios preexploración y realización de PCR
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Ariadna Aguilara,b, Jordi Serraa,b,c,
Corresponding author
jordiserra.motility@gmail.com

Corresponding author.
a Digestive System Research Unit, University Hospital Vall d’Hebrón, Passeig de la Vall d’Hebron, 119, 08035 Barcelona, Spain
b Autonomous University of Barcelona, Plaça Cívica, 08193 Bellaterra, Barcelona, Spain
c Centro de Investigación Biomédica en Red de Enfermedades Hepáticas y Digestivas (CIBERehd), Av. Monforte de Lemos, 3-5, Pabellón 11, Planta 0, 28029 Madrid, Spain
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Abstract
Background/Aims

COVID-19 pandemic has produced an increased burden for motility laboratories due to the need to implement measures to minimize infection risk during examinations. International Societies have proposed algorithms for evaluation of active infection risk using symptom questionnaires or performing COVID-19 specific detection tests. The aim of the present study is to evaluate prospectively the independent value of a symptom-based questionnaire and RT-PCR test to detect COVID-19 infection before a digestive motility examination.

Patients/Methods

All patients referred for a motility study during a 4 month period with high incidence of COVID-19 in the community were prospectively evaluated with a symptom-questionnaire administered by phone one week before the examination, and a PCR test performed 48h before the examination, following international guidelines recommendations.

Results

The symptom questionnaire could be obtained from 435 patients, 7 patients referred COVID-19 symptoms, but only 1 of them had a positive PCR. From 481 PCR tests performed, 8 were positive. Only 1 patient had reported symptoms in the previous questionnaire, and 2 additional patients developed COVID-19 symptoms later. Hence, 435 telephonic questionnaires should be done for one COVID-19 case detection (detection tax 0.22%); and 60 PCR should be performed for one COVID-19 case detection (detection tax 1.66%).

Conclusions

The use of screening strategies prior to a motility exploration results in a low rate of infection detection, especially the use of subjective symptom questionnaires, and the correct protection measures during motility explorations with aerosol generation remain the cornerstone to prevent COVID-19 infections.

Keywords:
COVID-19
SARS-CoV-2
Polymerase chain reaction
Gastrointestinal motility disorders
Resumen
Antecedentes y objetivos

La implementación de medidas para minimizar el riesgo de infección por COVID-19 durante las exploraciones de motilidad digestiva ha producido una carga asistencial relevante. El objetivo del presente estudio es evaluar prospectivamente el valor independiente de un cuestionario basado en síntomas y una prueba de RT-PCR para detectar la infección por COVID-19 antes de una prueba de motilidad digestiva.

Pacientes y métodos

Los pacientes derivados para estudio de motilidad durante un período de 4 meses con alta incidencia de COVID-19 fueron evaluados prospectivamente con un cuestionario telefónico de síntomas una semana antes de la exploración y un test de PCR realizado 48 h antes de la prueba.

Resultados

El cuestionario de síntomas se pudo obtener de 435 pacientes, 7 pacientes refirieron síntomas de COVID-19 (solo uno de ellos tuvo PCR positiva). De 481 pruebas PCR realizadas, 8 dieron positivo. Solo un paciente había informado síntomas en el cuestionario anterior y 2 pacientes adicionales desarrollaron síntomas de COVID 19 más tarde. Se debieron realizar 435 cuestionarios para la detección de un caso de COVID-19 (tasa de detección del 0,22%) y 60 PCR para la detección de un caso de COVID-19 (tasa de detección del 1,66%).

Conclusiones

El uso de estrategias de screening previo a una exploración de motilidad resulta en una baja tasa de detección de infecciones, especialmente el uso de cuestionarios de síntomas subjetivos. Las correctas medidas de protección durante las exploraciones de motilidad con generación de aerosoles siguen siendo la piedra angular para prevenir infecciones por COVID-19.

Palabras clave:
COVID-19
SARS-CoV-2
Reacción en cadena de la polimerasa
Trastornos funcionales gastrointestinales

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