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The Effect of Superficial Parasternal Intercostal Plane Block on Pulmonary Function Tests After Cardiac Surgery (PIPACS)

S

Shai Fein

Status

Not yet enrolling

Conditions

Postoperative Pain
Pulmonary Function Tests

Treatments

Other: Standard care
Procedure: superficial parasternal intercostal plane block

Study type

Interventional

Funder types

Other

Identifiers

NCT05999721
0577-23-RMC

Details and patient eligibility

About

In adult patients undergoing cardiac surgery, does adding an sPIP block to standard care compared to standard care alone result in a smaller decrease in PFTs?

Full description

Postoperative pulmonary complications are a significant concern after cardiac surgery, with post-sternotomy pain contributing to impaired pulmonary function and increased risk of these complications. Parasternal intercostal plane blocks have recently emerged as a promising analgesic option for cardiac surgery, but their impact on pulmonary function tests (PFTs) has yet to be evaluated.

This prospective, single-center, double-blind, randomized controlled trial will recruit 100 adult patients undergoing elective cardiac surgery. Baseline pulmonary function, including FEV1, FVC, and PEF, will be measured preoperatively and reassessed on the first postoperative day to evaluate the primary outcome: percentage change in PFT values. Secondary outcomes include pain scores, opioid consumption, incidence of postoperative pulmonary complications during hospitalization, duration of cardiothoracic intensive care and hospital stays, and 30-day mortality.

This study aims to determine whether adding a superficial parasternal intercostal plane (sPIP) block to standard care better preserves pulmonary function in adult patients undergoing elective cardiac surgery.

Enrollment

100 estimated patients

Sex

All

Ages

18+ years old

Volunteers

No Healthy Volunteers

Inclusion criteria

  • Patients who are scheduled to undergo elective cardiac surgery via sternotomy (i.e., coronary artery bypass graft, valvular surgery, and combined surgery).
  • Body Mass Index (BMI) above 20 and below 40 kg m-2
  • Age above 18 years.
  • Eligible to sign informed consent.

Exclusion criteria

  • Change from scheduled morning surgery to a non-morning case or emergency surgery.
  • Redo surgery.
  • Off-pump surgeries.
  • Pregnancy.
  • Preoperative mechanical circulatory support (i.e., intra-aortic balloon pump, extracorporeal membrane oxygenation, ventricular assist devices).
  • Preoperative chronic pain (i.e., fibromyalgia, chronic neuropathic pain).
  • Contraindication for regional analgesia (i.e., known allergy to LA, skin lesions in the injection site).
  • Known allergy to one or more of the components of multimodal analgesia (i.e., opioids, paracetamol, tramadol, dipyrone).
  • Preexisting severe pulmonary disease (i.e., an obstructive lung disease with FEV1 below 49%, restrictive lung disease with FVC below 49%, pulmonary hypertension).
  • Patients requiring mechanical ventilation for more than 24 hours postoperatively.

Criteria For Discontinuing (Postoperative Exclusion Criteria):

  • Prolonged cardiopulmonary bypass (CPB) of more than three hours.
  • Transfusion of more than three units of blood products.
  • Severe coagulation disturbance requiring prothrombin complex concentrate or recombinant factor VII.
  • Left ventricular failure with vasoactive-inotropic score (VIS) at the end of the surgery of ≥ 20.
  • Right ventricular failure requires inhaled nitric oxide.
  • Need for mechanical circulatory support (i.e., intra-aortic balloon pump, extracorporeal membrane oxygenation).

Trial design

Primary purpose

Supportive Care

Allocation

Randomized

Interventional model

Parallel Assignment

Masking

Triple Blind

100 participants in 2 patient groups

Treatment Arm
Active Comparator group
Description:
In addition to standard care, the treatment arm will receive an ultrasound-guided bilateral single-shot superficial parasternal intercostal plane block at two levels.
Treatment:
Procedure: superficial parasternal intercostal plane block
Other: Standard care
Control Arm
Active Comparator group
Description:
The control arm will receive standard care alone.
Treatment:
Other: Standard care

Trial contacts and locations

1

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Central trial contact

Karam Azem, MD; Shai Fein, MD, MHA

Data sourced from clinicaltrials.gov

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