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Study to Test the Efficacy of Periarticular Levo Bupivicaine Injection Following Primary Hip Arthroplasty

16 de abril de 2010 actualizado por: Orthopaedic Research and Innovation Foundation, Ireland

A Double Blind Randomized Control Trial on the Efficacy of Periarticular Levo Bupivicaine Injection Following Primary Hip Arthroplasty

The hypothesis of this study is that isolated use of local periarticular levobupivicaine injection during primary hip arthroplasty would improve post-operative pain control. Patients were randomised in the operating room to receive either a periarticular infiltration, or a placebo consisting of Saline. Morphine and analgesic consumption was recorded for each patient, while the modified McGill pain scale was used to determine the adequacy of analgesia and the benefit of the peri-articular infiltration. 91 patients were recruited, with 45 patients in the treatment group and 46 controls. The results were assessed after one year, once all the information from both treatment groups was collected.

Descripción general del estudio

Estado

Terminado

Condiciones

Intervención / Tratamiento

Descripción detallada

The efficacy of periarticular injections during total knee arthroplasty is well established but there is little published data on their effect in primary hip arthroplasty. We hypothesized that isolated use of local periarticular levobupivicaine injection during primary hip arthroplasty would improve post-operative pain control. A double blinded, randomised, placebo-controlled trial on patients undergoing primary hip arthroplasty was performed. Patients were randomised in theatre to receive either a periarticular infiltration of 150mg levobupivicaine in 60mls of 0.9% Saline, or a placebo consisting of 60mls 0.9% Saline. Morphine and analgesic consumption was recorded for each patient, while the modified McGill pain scale was used to determine the adequacy of analgesia and the benefit of the peri-articular infiltration. 91 patients were recruited, with 45 patients in the treatment group and 46 controls. The results were assessed after one year, once all the information from both treatment groups was collected.

Tipo de estudio

Intervencionista

Inscripción (Actual)

91

Fase

  • Fase 4

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

    • Finglas
      • Dublin, Finglas, Irlanda, Dublin 11
        • Cappagh National Orthopaedic Hospital
    • Santry
      • Dublin, Santry, Irlanda, Dublin 9
        • Orthopaedic Research and Innovation Foundation

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

18 años y mayores (Adulto, Adulto Mayor)

Acepta Voluntarios Saludables

No

Géneros elegibles para el estudio

Todos

Descripción

Inclusion Criteria:

  • Consecutive patients undergoing primary hip arthroplasty for osteoarthritis only were included in this study after giving informed consent.

Exclusion Criteria:

  • Patients with cognitive impairment, neurological disorders, advanced liver or renal impairment, known ischemic heart disease, a previous diagnosis of a pain syndrome or any post-operative surgical or medical complications were excluded.

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: Tratamiento
  • Asignación: Aleatorizado
  • Modelo Intervencionista: Asignación paralela
  • Enmascaramiento: Doble

Armas e Intervenciones

Grupo de participantes/brazo
Intervención / Tratamiento
Comparador activo: Levobupivacaine
Levobupivacaine is indicated for local anaesthesia including infiltration, nerve block, ophthalmic, epidural and intrathecal anaesthesia in adults; and infiltration analgesia in children
The treatment group received 150mg of levobupivicaine in 60mls of 0.9% saline. This was injected intra-operatively through the medial and anterior capsular spaces in the region of the obturator and femoral nerves and also around the short rotators and gluteus maximus in the region of the inferior and superior gluteal nerves. The timing of this was after insertion of the acetabular component. 10mls was then infiltrated around the tensor fascia lata and subcutaneously prior to closing the wound.
Comparador de placebos: Saline
Saline (also saline solution) is a general term referring to a sterile solution of sodium chloride (NaCl, more commonly known as salt) in water but is only sterile when it is placed intravenously, otherwise, a saline solution is a salt water solution.
The placebo group received 60mls of 0.9% saline injected intra-operatively through the medial and anterior capsular spaces in the region of the obturator and femoral nerves and also around the short rotators and gluteus maximus in the region of the inferior and superior gluteal nerves. The timing of this was after insertion of the acetabular component. 10mls was then infiltrated around the tensor fascia lata and subcutaneously prior to closing the wound.

¿Qué mide el estudio?

Medidas de resultado primarias

Medida de resultado
Medida Descripción
Periodo de tiempo
To determine a significant difference (p>0.05) in morphine consumption between the two treatment groups post-operatively.
Periodo de tiempo: 1 year
The modified McGill pain scale was administered to determine the adequacy of analgesia and the benefit of the peri-articular infiltration. In addition, morphine and analgesic consumption was recorded for each patient. The results were assessed after one year, once all the information from both treatment groups was collected.
1 year

Medidas de resultado secundarias

Medida de resultado
Periodo de tiempo
To analyse the length of stay for between both treatment groups
Periodo de tiempo: Average 6 days (based on precise day of discharge)
Average 6 days (based on precise day of discharge)

Colaboradores e Investigadores

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

Investigadores

  • Investigador principal: Kevin J Mulhall, Orthopaedic Research and Innovation Foundation, Ireland

Publicaciones y enlaces útiles

La persona responsable de ingresar información sobre el estudio proporciona voluntariamente estas publicaciones. Estos pueden ser sobre cualquier cosa relacionada con el estudio.

Publicaciones Generales

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

1 de septiembre de 2008

Finalización primaria (Actual)

1 de septiembre de 2009

Finalización del estudio (Actual)

1 de septiembre de 2009

Fechas de registro del estudio

Enviado por primera vez

12 de abril de 2010

Primero enviado que cumplió con los criterios de control de calidad

16 de abril de 2010

Publicado por primera vez (Estimar)

19 de abril de 2010

Actualizaciones de registros de estudio

Última actualización publicada (Estimar)

19 de abril de 2010

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

16 de abril de 2010

Última verificación

1 de julio de 2008

Más información

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. .

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