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Lumbar Paravertebral Block vs Erector Spinae Plane Block in Elderly Patients Undergoing Lumbar Spine Surgery

20 de maio de 2026 atualizado por: Poznan University of Medical Sciences

A Prospective, Randomized Controlled Trial Comparing the Analgesic Efficacy of Lumbar Paravertebral Block and Lumbar Erector Spinae Plane Block in Elderly Patients Undergoing Lumbar Spine Surgery

This prospective, randomized controlled trial aims to compare the analgesic efficacy of lumbar paravertebral block (L-PVB) and lumbar erector spinae plane block (L-ESPB) in elderly patients undergoing lumbar spine surgery. Effective postoperative pain management in this population is essential due to increased susceptibility to opioid-related adverse effects.

Participants aged 65 years and older will be randomly assigned to receive either bilateral L-PVB or bilateral L-ESPB in addition to standardized general anesthesia. The primary objective is to evaluate differences in postoperative opioid consumption within the first 48 hours after surgery. Secondary outcomes include pain intensity, intraoperative opioid use, time to mobilization, length of hospital stay, and incidence of opioid-related adverse events.

Visão geral do estudo

Status

Ainda não está recrutando

Condições

Intervenção / Tratamento

Descrição detalhada

Lumbar spine surgery is associated with significant postoperative pain, particularly in elderly patients, who are at increased risk of opioid-related adverse effects such as respiratory depression, sedation, delirium, and delayed mobilization. Regional anesthesia techniques may improve postoperative analgesia and reduce opioid requirements in this population.

The lumbar paravertebral block (L-PVB) is a well-established technique providing segmental analgesia by targeting spinal nerves in the paravertebral space. The erector spinae plane block (L-ESPB), a newer interfascial plane block, has gained popularity due to its technical simplicity and favorable safety profile. However, comparative data on their effectiveness in lumbar spine surgery, especially in elderly patients, remain limited.

This study is designed as a prospective, randomized, controlled trial comparing L-PVB and L-ESPB in patients aged 65 years and older undergoing elective lumbar spine surgery under general anesthesia. Participants will be randomly allocated in a 1:1 ratio to receive either bilateral L-PVB or bilateral L-ESPB with a standardized dose of local anesthetic.

All patients will receive a standardized general anesthesia protocol and multimodal analgesia regimen. Postoperative pain management will follow a uniform protocol across both groups.

The primary endpoint is total opioid consumption within 48 hours after surgery, expressed as intravenous morphine equivalents. Secondary endpoints include intraoperative opioid consumption, postoperative pain scores at predefined time points, time to first mobilization, length of hospital stay, use of rescue analgesia, and incidence of opioid-related adverse effects. Exploratory analyses will include assessment of inflammatory markers.

Tipo de estudo

Intervencional

Inscrição (Estimado)

120

Estágio

  • Não aplicável

Contactos e Locais

Esta seção fornece os detalhes de contato para aqueles que conduzem o estudo e informações sobre onde este estudo está sendo realizado.

Contato de estudo

  • Nome: Tomasz Reysner, MD PhD
  • Número de telefone: +48 (61) 831-01-22
  • E-mail: treysner@ump.edu.pl

Estude backup de contato

Locais de estudo

  • Polônia
      • Poznan, Polônia, 62-701
        • Poznan University of Medical Sciences

Critérios de participação

Os pesquisadores procuram pessoas que se encaixem em uma determinada descrição, chamada de critérios de elegibilidade. Alguns exemplos desses critérios são a condição geral de saúde de uma pessoa ou tratamentos anteriores.

Critérios de elegibilidade

Idades elegíveis para estudo

  • Adulto mais velho

Aceita Voluntários Saudáveis

Não

Descrição

Inclusion Criteria:

  • ge ≥65 years
  • Scheduled for elective lumbar spine surgery
  • American Society of Anesthesiologists (ASA) physical status I-III
  • Ability to assess pain using the Numeric Rating Scale (NRS)
  • Provision of written informed consent

Exclusion Criteria:

  • Refusal to participate
  • Chronic opioid therapy
  • Coagulation disorders
  • Use of anticoagulant therapy contraindicating regional anesthesia
  • Infection at the planned needle insertion site
  • Allergy to ropivacaine or other study-related medications
  • Severe hepatic failure
  • Severe renal failure
  • Cognitive impairment preventing reliable pain assessment
  • Inability to cooperate with study procedures
  • Extensive reoperation or surgery of unusually large extent that may interfere with outcome assessment
  • Contraindications to general anesthesia or regional anesthesia

Plano de estudo

Esta seção fornece detalhes do plano de estudo, incluindo como o estudo é projetado e o que o estudo está medindo.

Como o estudo é projetado?

Detalhes do projeto

  • Finalidade Principal: Tratamento
  • Alocação: Randomizado
  • Modelo Intervencional: Atribuição Paralela
  • Mascaramento: Dobro

Armas e Intervenções

Grupo de Participantes / Braço
Intervenção / Tratamento
Sem intervenção: General Anesthesia Alone (GA-only)
Participants will receive standardized general anesthesia and multimodal postoperative analgesia according to institutional protocol. No regional anesthesia technique will be performed.
Comparador Ativo: General Anesthesia + Lumbar Erector Spinae Plane Block (L-ESPB)
Participants will receive standardized general anesthesia combined with bilateral lumbar erector spinae plane block (L-ESPB) performed under ultrasound guidance. Ropivacaine 0.2% will be administered at a volume of 20 mL per side (total 40 mL). No adjuvants will be used. All patients will receive standardized multimodal postoperative analgesia.
Medicamento: Ropivacaine 0.2% Injectable Solution
Ultrasound-guided bilateral interfascial plane block performed at the lumbar level for postoperative analgesia in patients undergoing lumbar spine surgery.
Outros nomes:
  • Lumbar Erector Spinae Plane Block (L-ESPB)
Medicamento: Ropivacaine 0.2% Injectable Solution
Ultrasound-guided bilateral paravertebral block at the lumbar level targeting spinal nerves for postoperative analgesia in patients undergoing lumbar spine surgery.
Outros nomes:
  • Lumbar Paravertebral Block (L-PVB)
Comparador Ativo: General Anesthesia + Lumbar Paravertebral Block (L-PVB)
Participants will receive standardized general anesthesia combined with bilateral lumbar paravertebral block (L-PVB) performed under ultrasound guidance. Ropivacaine 0.2% will be administered at a volume of 20 mL per side (total 40 mL). No adjuvants will be used. All patients will receive standardized multimodal postoperative analgesia.
Medicamento: Ropivacaine 0.2% Injectable Solution
Ultrasound-guided bilateral interfascial plane block performed at the lumbar level for postoperative analgesia in patients undergoing lumbar spine surgery.
Outros nomes:
  • Lumbar Erector Spinae Plane Block (L-ESPB)
Medicamento: Ropivacaine 0.2% Injectable Solution
Ultrasound-guided bilateral paravertebral block at the lumbar level targeting spinal nerves for postoperative analgesia in patients undergoing lumbar spine surgery.
Outros nomes:
  • Lumbar Paravertebral Block (L-PVB)

O que o estudo está medindo?

Medidas de resultados primários

Medida de resultado
Descrição da medida
Prazo
Total opioid consumption within 48 hours after surgery
Prazo: 48 hours postoperatively
Total cumulative opioid consumption within the first 48 hours after surgery, converted to intravenous morphine equivalents.
48 hours postoperatively

Medidas de resultados secundários

Medida de resultado
Descrição da medida
Prazo
Time to first rescue analgesia
Prazo: 48 hours after surgery
Time from completion of the surgery to the administration of the first dose of rescue opioid analgesic (in minutes).
48 hours after surgery
Postoperative pain intensity at rest (NRS)
Prazo: 0 hours postoperatively
Pain intensity at rest assessed using an 11-point Numeric Rating Scale (NRS, 0 = no pain, 10 = worst imaginable pain)
0 hours postoperatively
Postoperative pain intensity at rest (NRS)
Prazo: 2 hours postoperatively
Pain intensity at rest assessed using an 11-point Numeric Rating Scale (NRS, 0 = no pain, 10 = worst imaginable pain)
2 hours postoperatively
Postoperative pain intensity at rest (NRS)
Prazo: 6 hours postoperatively
Pain intensity at rest assessed using an 11-point Numeric Rating Scale (NRS, 0 = no pain, 10 = worst imaginable pain)
6 hours postoperatively
Postoperative pain intensity at rest (NRS)
Prazo: 12 hours postoperatively
Pain intensity at rest assessed using an 11-point Numeric Rating Scale (NRS, 0 = no pain, 10 = worst imaginable pain)
12 hours postoperatively
Postoperative pain intensity at rest (NRS)
Prazo: 24 hours postoperatively
Pain intensity at rest assessed using an 11-point Numeric Rating Scale (NRS, 0 = no pain, 10 = worst imaginable pain)
24 hours postoperatively
Postoperative pain intensity at rest (NRS)
Prazo: 48 hours postoperatively
Pain intensity at rest assessed using an 11-point Numeric Rating Scale (NRS, 0 = no pain, 10 = worst imaginable pain)
48 hours postoperatively
Postoperative pain intensity at during movement (NRS)
Prazo: 0 hours postoperatively
Pain intensity at during movementassessed using an 11-point Numeric Rating Scale (NRS, 0 = no pain, 10 = worst imaginable pain)
0 hours postoperatively
Postoperative pain intensity at during movement (NRS)
Prazo: 2 hours postoperatively
Pain intensity at during movementassessed using an 11-point Numeric Rating Scale (NRS, 0 = no pain, 10 = worst imaginable pain)
2 hours postoperatively
Postoperative pain intensity at during movement (NRS)
Prazo: 6 hours postoperatively
Pain intensity at during movementassessed using an 11-point Numeric Rating Scale (NRS, 0 = no pain, 10 = worst imaginable pain)
6 hours postoperatively
Postoperative pain intensity at during movement (NRS)
Prazo: 12 hours postoperatively
Pain intensity at during movementassessed using an 11-point Numeric Rating Scale (NRS, 0 = no pain, 10 = worst imaginable pain)
12 hours postoperatively
Postoperative pain intensity at during movement (NRS)
Prazo: 24 hours postoperatively
Pain intensity at during movementassessed using an 11-point Numeric Rating Scale (NRS, 0 = no pain, 10 = worst imaginable pain)
24 hours postoperatively
Postoperative pain intensity at during movement (NRS)
Prazo: 48 hours postoperatively
Pain intensity at during movementassessed using an 11-point Numeric Rating Scale (NRS, 0 = no pain, 10 = worst imaginable pain)
48 hours postoperatively
Interleukin-6 (IL-6) level
Prazo: 12 hours after surgery
serum interleukin-6 (IL-6) level
12 hours after surgery
Interleukin-6 (IL-6) level
Prazo: 24 hours after surgery
serum interleukin-6 (IL-6) level
24 hours after surgery
Interleukin-6 (IL-6) level
Prazo: 48 hours after surgery
serum interleukin-6 (IL-6) level
48 hours after surgery
NLR
Prazo: 12 hours after surgery
neutrophil-to-lymphocyte ratio (NLR)
12 hours after surgery
NLR
Prazo: 24 hours after surgery
neutrophil-to-lymphocyte ratio (NLR)
24 hours after surgery
NLR
Prazo: 48 hours after surgery
neutrophil-to-lymphocyte ratio (NLR)
48 hours after surgery
PLR
Prazo: 12 hours after surgery
platelet-to-lymphocyte ratio (PLR)
12 hours after surgery
PLR
Prazo: 24 hours after surgery
platelet-to-lymphocyte ratio (PLR)
24 hours after surgery
PLR
Prazo: 48 hours after surgery
platelet-to-lymphocyte ratio (PLR)
48 hours after surgery

Colaboradores e Investigadores

É aqui que você encontrará pessoas e organizações envolvidas com este estudo.

Patrocinador

Poznan University of Medical Sciences

Investigadores

  • Cadeira de estudo: Katarzyna Wieczorowska-Tobis, MD PhD, Poznan University of Medical Sciences
  • Diretor de estudo: Małgorzata Reysner, Md PhD, Poznan University of Medical Sciences

Datas de registro do estudo

Essas datas acompanham o progresso do registro do estudo e os envios de resumo dos resultados para ClinicalTrials.gov. Os registros do estudo e os resultados relatados são revisados ​​pela National Library of Medicine (NLM) para garantir que atendam aos padrões específicos de controle de qualidade antes de serem publicados no site público.

Datas Principais do Estudo

Início do estudo (Estimado)

1 de junho de 2026

Conclusão Primária (Estimado)

31 de julho de 2027

Conclusão do estudo (Estimado)

31 de agosto de 2027

Datas de inscrição no estudo

Enviado pela primeira vez

6 de maio de 2026

Enviado pela primeira vez que atendeu aos critérios de CQ

20 de maio de 2026

Primeira postagem (Real)

26 de maio de 2026

Atualizações de registro de estudo

Última Atualização Postada (Real)

26 de maio de 2026

Última atualização enviada que atendeu aos critérios de controle de qualidade

20 de maio de 2026

Última verificação

1 de abril de 2026

Mais Informações

Termos relacionados a este estudo

Termos MeSH relevantes adicionais

Outros números de identificação do estudo

  • 4/2026

Plano para dados de participantes individuais (IPD)

Planeja compartilhar dados de participantes individuais (IPD)?

SIM

Descrição do plano IPD

Individual participant data (IPD) underlying the results reported in this study, after de-identification, will be made available to researchers upon reasonable request. The shared data will include demographic data, intervention allocation, and outcome measures.

Prazo de Compartilhamento de IPD

Data will be available beginning 6 months after publication of the primary results and will remain available for up to 5 years.

Critérios de acesso de compartilhamento IPD

Access to the data will be provided to researchers who submit a methodologically sound proposal. Requests will be reviewed by the principal investigator. Data will be shared after approval of a data access agreement.

Tipo de informação de suporte de compartilhamento de IPD

  • PROTOCOLO DE ESTUDO
  • SEIVA

Informações sobre medicamentos e dispositivos, documentos de estudo

Estuda um medicamento regulamentado pela FDA dos EUA

Não

Estuda um produto de dispositivo regulamentado pela FDA dos EUA

Não

Essas informações foram obtidas diretamente do site clinicaltrials.gov sem nenhuma alteração. Se você tiver alguma solicitação para alterar, remover ou atualizar os detalhes do seu estudo, entre em contato com register@clinicaltrials.gov. Assim que uma alteração for implementada em clinicaltrials.gov, ela também será atualizada automaticamente em nosso site .

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