Esta página se tradujo automáticamente y no se garantiza la precisión de la traducción. por favor refiérase a versión inglesa para un texto fuente.

The Effect of Pulse Oximeter Probe Replacement Interval on Pressure Injury Development in Intensive Care Patients

15 de julio de 2026 actualizado por: Emine Arici Parlak

"The Effect of Pulse Oximeter Probe Replacement Interval on Pressure Injury Development in Intensive Care Patients: A Randomized Controlled Trial"

Patients admitted to intensive care units (ICUs) are at increased risk of medical device-related pressure injuries (MDRPIs) due to the prolonged use of monitoring devices. Pulse oximeter probes are routinely used for continuous monitoring of oxygen saturation and pulse rate and may contribute to pressure injury development when left in the same position for extended periods . Current international guidelines recommend regular assessment of the skin and repositioning of medical devices but do not specify an optimal repositioning interval. This randomized controlled trial aims to evaluate the effect of different pulse oximeter probe replacement intervals on the development of pressure injuries in adult ICU patients. The findings are expected to provide evidence to guide clinical practice and improve the prevention of medical device-related pressure injuries.

Descripción general del estudio

Descripción detallada

Pulse oximetry is a non-invasive monitoring method that continuously measures arterial oxygen saturation (SpO₂) and pulse rate using optical sensors placed on peripheral tissues. It is widely used in intensive care units (ICUs), operating rooms, and other critical care settings for continuous patient monitoring . Although essential for patient care, prolonged application of pulse oximeter probes to the same anatomical site may increase the risk of medical device-related pressure injuries (MDRPIs), particularly in critically ill patients with impaired tissue perfusion, immobility, and fragile skin.

Medical device-related pressure injuries represent a substantial proportion of hospital-acquired pressure injuries and are associated with increased morbidity, prolonged hospitalization, and healthcare costs. International clinical practice guidelines recommend frequent skin assessment, regular repositioning of medical devices, prompt removal of unnecessary devices, and interventions to reduce pressure. However, these guidelines do not define an evidence-based interval for repositioning pulse oximeter probes, and current clinical practice varies considerably among healthcare institutions.

Several case reports have described tissue injury associated with prolonged pulse oximeter sensor application, including skin erosion and tissue necrosis at the finger, toe, ear, and forehead. Nevertheless, high-quality randomized controlled trials evaluating the optimal pulse oximeter probe replacement interval are lacking.

The primary objective of this randomized controlled trial is to determine whether different pulse oximeter probe replacement intervals influence the incidence of pressure injuries in adult ICU patients. The findings are expected to provide evidence for establishing standardized clinical protocols for pulse oximeter probe repositioning and contribute to the prevention of medical device-related pressure injuries in critically ill adults.

Tipo de estudio

Intervencionista

Inscripción (Estimado)

432

Fase

  • No aplica

Contactos y Ubicaciones

Esta sección proporciona los datos de contacto de quienes realizan el estudio e información sobre dónde se lleva a cabo este estudio.

Ubicaciones de estudio

      • Ankara, Turquía (Türkiye)
        • Univerisy of HelathSciences Turkiye Gulhane Faculty of Nursing

Criterios de participación

Los investigadores buscan personas que se ajusten a una determinada descripción, denominada criterio de elegibilidad. Algunos ejemplos de estos criterios son el estado de salud general de una persona o tratamientos previos.

Criterio de elegibilidad

Edades elegibles para estudiar

  • Adulto
  • Adulto Mayor

Acepta Voluntarios Saludables

Sí

Descripción

Inclusion Criteria:

  • Adults aged 18 years or older
  • Written informed consent provided by the patient's legally authorized representative
  • Patients monitored with a pulse oximeter in the intensive care unit (ICU)
  • Glasgow Coma Scale (GCS) score of 8 or less
  • Expected or actual ICU stay of more than 72 hours

Exclusion Criteria:

  • Patients with severe peripheral edema
  • Patients with dermatological conditions that impair skin integrity

Plan de estudios

Esta sección proporciona detalles del plan de estudio, incluido cómo está diseñado el estudio y qué mide el estudio.

¿Cómo está diseñado el estudio?

Detalles de diseño

  • Propósito principal: Prevención
  • Asignación: Aleatorizado
  • Modelo Intervencionista: Asignación paralela
  • Enmascaramiento: Ninguno (etiqueta abierta)

Armas e Intervenciones

Grupo de participantes/brazo
Intervención / Tratamiento
Experimental: Intervention Group
Patients will have a pulse oximeter probe placed on the right index finger. The probe site will remain unchanged for 2 hours. At the end of the 2-hour period, the probe will be removed, and the skin will be assessed for pressure injury using the Skin Assessment Form.
The pulse oximeter probe will be placed on the patient's right index finger and repositioned every 2 hours. After 2 hours, the probe will be removed, the skin will be assessed for pressure injury using the Skin Assessment Form, and the probe will be repositioned according to the study protocol.
Comparador activo: Control Group
Patients will receive routine intensive care. The pulse oximeter probe will remain in the same position for 4 hours, consistent with standard ICU practice. At the end of the 4-hour period, the probe will be removed, and the skin will be assessed for pressure injury using the Skin Assessment Form.
The pulse oximeter probe will remain in the same position for 4 hours in accordance with routine intensive care unit practice. After 4 hours, the probe will be removed, the skin will be assessed for pressure injury using the Skin Assessment Form, and routine care will continue.

¿Qué mide el estudio?

Medidas de resultado primarias

Medida de resultado
Medida Descripción
Periodo de tiempo
Incidence of Medical Device-Related Pressure Injury at the Pulse Oximeter Probe Site
Periodo de tiempo: Up to 4 hours after pulse oximeter probe placement

The primary outcome is the incidence of medical device-related pressure injury (MDRPI) associated with pulse oximeter probe application in adult intensive care unit patients. Skin assessments will be performed using the Skin Assessment Form developed by the investigators based on the literature and the European Pressure Ulcer Advisory Panel (EPUAP) guidelines.

The assessment includes:

Presence or absence of medical device-related pressure injury Non-blanchable erythema Skin moisture Skin integrity Presence and severity of edema Tissue firmness Palpation findings Local skin temperature changes Pressure injury stage (Stage 1, Stage 2, Stage 3, Stage 4, Deep Tissue Injury, or Unstageable)

The incidence of pressure injury will be compared between patients whose pulse oximeter probe is repositioned every 2 hours and those whose probe is repositioned every 4 hours.

Up to 4 hours after pulse oximeter probe placement

Colaboradores e Investigadores

Aquí es donde encontrará personas y organizaciones involucradas en este estudio.

Patrocinador

Fechas de registro del estudio

Estas fechas rastrean el progreso del registro del estudio y los envíos de resultados resumidos a ClinicalTrials.gov. Los registros del estudio y los resultados informados son revisados ​​por la Biblioteca Nacional de Medicina (NLM) para asegurarse de que cumplan con los estándares de control de calidad específicos antes de publicarlos en el sitio web público.

Fechas importantes del estudio

Inicio del estudio (Actual)

1 de julio de 2026

Finalización primaria (Estimado)

1 de julio de 2027

Finalización del estudio (Estimado)

25 de julio de 2027

Fechas de registro del estudio

Enviado por primera vez

9 de julio de 2026

Primero enviado que cumplió con los criterios de control de calidad

9 de julio de 2026

Publicado por primera vez (Actual)

15 de julio de 2026

Actualizaciones de registros de estudio

Última actualización publicada (Actual)

17 de julio de 2026

Última actualización enviada que cumplió con los criterios de control de calidad

15 de julio de 2026

Última verificación

1 de julio de 2026

Más información

Términos relacionados con este estudio

Plan de datos de participantes individuales (IPD)

¿Planea compartir datos de participantes individuales (IPD)?

NO

Información sobre medicamentos y dispositivos, documentos del estudio

Estudia un producto farmacéutico regulado por la FDA de EE. UU.

No

Estudia un producto de dispositivo regulado por la FDA de EE. UU.

No

Esta información se obtuvo directamente del sitio web clinicaltrials.gov sin cambios. Si tiene alguna solicitud para cambiar, eliminar o actualizar los detalles de su estudio, comuníquese con register@clinicaltrials.gov. Tan pronto como se implemente un cambio en clinicaltrials.gov, también se actualizará automáticamente en nuestro sitio web. .

Suscribir