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Postoperative pain following open-heart surgery is primarily caused by median sternotomy, although additional contributors include costovertebral joint stress related to sternal retraction and the presence of chest wall and mediastinal drains during the postoperative period. This pain is often severe, especially in the early postoperative hours, making effective management both challenging and essential. Insufficient pain control frequently necessitates high doses of opioids, which may lead to adverse effects such as nausea, vomiting, respiratory complications, and postoperative delirium. Excessive use of anesthetic agents or opioids can also delay extubation and prolong the process of weaning from mechanical ventilation.
The modified thoracoabdominal nerve block through the perichondrial approach (M-TAPA) is a regional anesthesia technique performed beneath the costal margin between the internal oblique and transversus abdominis muscles. It provides broad dermatomal coverage, extending approximately from the upper thoracic to the lower thoracic and upper lumbar segments. This study aims to evaluate the postoperative analgesic effectiveness of combining the M-TAPA block with a parasternal block in patients undergoing open-heart surgery.
Full description
Postoperative pain following open-heart surgery is primarily caused by median sternotomy, although additional contributors include costovertebral joint stress related to sternal retraction and the presence of chest wall and mediastinal drains during the postoperative period. This pain is often severe, especially in the early postoperative hours, making effective management both challenging and essential. Insufficient pain control frequently necessitates high doses of opioids, which may lead to adverse effects such as nausea, vomiting, respiratory complications, and postoperative delirium. Excessive use of anesthetic agents or opioids can also delay extubation and prolong the process of weaning from mechanical ventilation.
The modified thoracoabdominal nerve block through the perichondrial approach (M-TAPA) is a regional anesthesia technique performed beneath the costal margin between the internal oblique and transversus abdominis muscles. It provides broad dermatomal coverage, extending approximately from the upper thoracic to the lower thoracic and upper lumbar segments. This study aims to evaluate the postoperative analgesic effectiveness of combining the M-TAPA block with a parasternal block in patients undergoing open-heart surgery.
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Inclusion criteria
Exclusion criteria
Patients who refuse to participate in the study
Patients with coagulopathy
Patients with a history of allergy or toxicity to local anesthetics
Patients with hepatic or renal failure
Patients with uncontrolled diabetes mellitus
Patients with uncontrolled hypertension
Mentally disabled patients
Patients receiving chronic pain therapy (opioid use)
Patients using antidepressant medications
Patients with neuropathic pain
Patients with infection at the injection site
Pregnant, suspected pregnant, or breastfeeding women
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Interventional model
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80 participants in 2 patient groups
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Central trial contact
Eralp Çevikkalp; Emre ULUSOY
Data sourced from clinicaltrials.gov
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