Erector Spinae Plane Block for Post-thoracotomy Pain

NCT ID: NCT04013815

Last Updated: 2020-03-24

Basic Information

• Recruitment Status: COMPLETED
• Clinical Phase: NA
• Total Enrollment: 60 participants
• Study Classification: INTERVENTIONAL
• Study Start Date: 2019-08-01
• Study Completion Date: 2019-11-30

Brief Summary

Post-thoracotomy pain is one of the most severe forms of post-operative pain. Among the most common techniques for the management of post-thoracotomy pain, there are the intercostal nerve block, and a recently described block, the erector spinae plane block (ESP).To date, there are no studies that compare the efficacy of ESP block with other pain relief methods in acute post-thoracotomy pain. The objective of this randomized study is to compare the analgesic efficacy of these two techniques in the control of acute post-thoracotomy chest pain, block of erector spinae vs intrapleural intercostal block.

Detailed Description

Post-thoracotomy pain is one of the most severe forms of post-operative pain that can be attributed to muscle incision, rib retraction or resection, and damage to the intercostal nerves. Inadequate control of this post-operative pain can contribute to a deterioration of the respiratory function, with limitation of the ventilation, appearance of atelectasis, ineffective cough, and increased risk of infectious complications. Moreover, recent evidence shows that persistent pain after surgery, in addition to being responsible for chronic post-surgical pain syndrome, is associated with a delay in post-operative recovery and a return to normal daily life activities. The most common techniques for the management of post-thoracotomy pain are in addition to systemic intravenous analgesia, thoracic epidural, paravertebral nerve block and intercostal nerve block. Although the thoracic epidural has been considered for years the gold standard for the control of post-operative pain following thoracotomy, it is not risk-free, requires an expert operator, and can be contraindicated in some categories of patients. The intercostal nerve block, performed through the injection of the local anesthetic in multiple intercostal spaces before performing thoracotomy, may be one of the alternatives to a thoracic epidural in terms of safety and efficacy and is technically easy and quick to perform. This block is found to be particularly effective in reducing post-operative pain when associated with a mini-thoracotomy, helping to improve the outcome of patients undergoing major lung resection. A technique of more recent description (2016) is the erector spinae plane block (ESP) . This interfascial block is performed in the posterior thoracic region homolaterally at the site of the intervention at the level of the T5 transverse process (fifth thoracic vertebra), the ultrasound marker of the block. The ESP block is easy and safe to perform thanks to the ultrasound-guided method and the absence of vascular-nerve structures at risk of damage in the vicinity of the injection site and allows analgesia of the posterior and anterolateral thoracic wall and of the axillary region. In fact, cadaveric studies have shown an anesthetic distribution both in the cranial caudal sense (T2-T8) along the fascia between erector spinae and large rhomboid, and in the anteroposterior direction, with the blockage of the spinal thoracic nerve roots. ESP block was described in the treatment of chronic chest pain in the first place, but was subsequently used as rescue therapy in acute post-thoracotomy pain; it has also been tested in upper abdominal surgery, performed bilaterally. Use in four cases of acute post video thoracoscopy pain management has also been described. Recently, some randomized controlled trials have been carried out that showed: greater analgesic efficacy of ESP compared to intravenous multimodal analgesia standard for the treatment of post-operative pain, with less recourse to rescue doses of morphine following laparoscopic cholecystectomy, mastectomy and cardiac surgery. To date, there are no studies that compare its efficacy with other pain relief methods in acute post-thoracotomy pain. The objective of our study is to compare the analgesic efficacy of these two techniques in the control of acute post-thoracotomy chest pain, blockade of erector spinae vs intrapleural intercostal blockade.

Conditions

Pain, Postoperative

Study Design

• Allocation Method: RANDOMIZED
• Intervention Model: PARALLEL
• Primary Study Purpose: TREATMENT
• Blinding Strategy: DOUBLE

Study Groups

group E

patients receiving the ESP block

Group Type: EXPERIMENTAL

erector spinae plane block with ropivacaine

Intervention Type: PROCEDURE

The block is performed immediately before surgery. by an ultrasound guide, with the probe positioned longitudinally, the spinous process of T5 is identified. A peripheral block needle is inserted in the cephalo-caudal direction (caliber 21G and length 10 cm) and 3 ml of physiological solution are injected to confirm the injection site: fascial plane between the erector spinae muscle and the large rhomboid, near the tip of the transverse process of T5. Once the correct position of the needle tip has been confirmed, ropivacaine 0.75% 20 ml is injected.

group I

patients receiving the intercostal nerve block

Group Type: ACTIVE_COMPARATOR

Intercostal nerve block with ropivacaine

Intervention Type: PROCEDURE

The intercostal nerve block will be performed by the surgeon at the time of thoracotomy from the 4th to the 8th intercostal space, by injecting 20 ml of 0.75% ropivacaine (4 ml for each space). The injection is performed at about 2-3 cm from the spine.

Interventions

erector spinae plane block with ropivacaine

The block is performed immediately before surgery. by an ultrasound guide, with the probe positioned longitudinally, the spinous process of T5 is identified. A peripheral block needle is inserted in the cephalo-caudal direction (caliber 21G and length 10 cm) and 3 ml of physiological solution are injected to confirm the injection site: fascial plane between the erector spinae muscle and the large rhomboid, near the tip of the transverse process of T5. Once the correct position of the needle tip has been confirmed, ropivacaine 0.75% 20 ml is injected.

Intervention Type: PROCEDURE

Intercostal nerve block with ropivacaine

The intercostal nerve block will be performed by the surgeon at the time of thoracotomy from the 4th to the 8th intercostal space, by injecting 20 ml of 0.75% ropivacaine (4 ml for each space). The injection is performed at about 2-3 cm from the spine.

Intervention Type: PROCEDURE

Eligibility Criteria

Inclusion Criteria

• Patients undergoing thoracotomy lung resection surgery between 45 and 80 years

Exclusion Criteria

• Patients allergic to the drugs used in the study
• Patients with diabetic neuropathy
• Patients with severe hepatic or renal insufficiency
• emergent surgery
• Age <45 years or> 80 years

• Minimum Eligible Age: 45 Years
• Maximum Eligible Age: 80 Years
• Eligible Sex: ALL
• Accepts Healthy Volunteers: Yes

Sponsors

University of Roma La Sapienza

OTHER

Sponsor Role: lead

Responsible Party

Silvia Fiorelli

principal investigator

Responsibility Role: PRINCIPAL_INVESTIGATOR

Locations

Sant Andrea Hospital

Roma, , Italy

Countries

Italy

References

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Other Identifiers

ESP

Identifier Type: -

Identifier Source: org_study_id