- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT05999721
The Effect of Superficial Parasternal Intercostal Plane Block on Pulmonary Function Tests After Cardiac Surgery (PIPACS)
The Effect of Superficial Parasternal Intercostal Plane Block on Pulmonary Function Tests After Cardiac Surgery (PIPACS Trial): a Prospective, Double-blind, Randomised Controlled Trial.
Study Overview
Status
Conditions
Intervention / Treatment
Detailed Description
Postoperative pulmonary complications pose a significant concern after cardiac surgery. Post-sternotomy pain plays a key role in impaired pulmonary function tests, ultimately increasing the risk of postoperative pulmonary complications. Parasternal intercostal plane blocks have recently emerged as a promising analgesic modality for cardiac surgery. However, the impact of parasternal intercostal plane blocks on pulmonary function tests remains unexplored.
In this prospective, single-centre, double-blind, randomised controlled trial, a total of 100 participants undergoing elective cardiac surgery will be recruited. Prior to surgery, baseline pulmonary function tests will be measured. Throughout the surgical procedure, all participants will receive identical anaesthesia and surgical protocols. At the end of the surgery and after sternal wound closure, participants will be randomly assigned to one of two research arms in a 1:1 ratio. The treatment arm will receive a superficial parasternal intercostal plane block in addition to standard care, while the control arm will receive standard care alone. Pulmonary function tests, pain scores, and opioid consumption will be recorded daily until the third postoperative day. The primary outcome is the difference between pre and postoperative PFTs values. Secondary outcomes are pain scores, opioid consumption, the incidence of postoperative pulmonary complications during current hospitalisation, cardiothoracic intensive care unit, hospital length stay, and 30-day mortality.
Pulmonary function tests were selected as the primary outcome due to their practicality and relevance to the postoperative course. The superficial parasternal intercostal plane block was chosen as the study intervention due to its simplicity and feasibility. The hypothesis posits that the addition of this intervention to standard care compared to standard care alone results in a smaller decrease in pulmonary function tests.
Study Type
Enrollment (Estimated)
Phase
- Not Applicable
Contacts and Locations
Study Contact
- Name: Shai Fein, MD, MHA
- Phone Number: +972 52 8989630
- Email: shaifein812@gmail.com
Study Contact Backup
- Name: Karam Azem, MD
- Phone Number: +972 50 4705001
- Email: dr.azem.k@gmail.com
Study Locations
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Petach Tikva, Israel
- Rabin Medical Center
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Contact:
- Shai Fein, MD, MHA
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Participation Criteria
Eligibility Criteria
Ages Eligible for Study
- Adult
- Older Adult
Accepts Healthy Volunteers
Description
Inclusion Criteria:
- Patients who are scheduled to undergo elective cardiac surgery via sternotomy (i.e., coronary artery bypass graft, valve replacement, valve repair).
- Body Mass Index (BMI) above 20 and below 40 kg m-2.
- Age above 18 years.
- Eligible to sign informed consent.
Exclusion Criteria:
- 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, post-sternotomy pain syndrome, chronic neuropathic pain).
- Contraindication for regional analgesia (i.e., known allergy to local anaesthetics, 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).
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).
Study Plan
How is the study designed?
Design Details
- Primary Purpose: Supportive Care
- Allocation: Randomized
- Interventional Model: Parallel Assignment
- Masking: Triple
Arms and Interventions
Participant Group / Arm |
Intervention / Treatment |
---|---|
Active Comparator: Treatment Arm
In addition to standard care, the treatment arm will receive an ultrasound-guided bilateral single-shot superficial parasternal intercostal plane block at two levels.
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Injection of 60 mL of bupivacaine 0.25% and epinephrine 2.5 µg mL-1
Anaesthesia will be induced using midazolam (0.1-0.15 mg kg-1), fentanyl (5-10 μg kg-1), and rocuronium (0.6-1.2 mg kg -1); then, after tracheal intubation, anaesthesia will be maintained using isoflurane at one MAC, along with continuous fentanyl (3-5 μg kg-1 h-1) and midazolam (20-50 μg kg-1 h-1). Moreover, patients will receive intravenous multimodal analgesics, including paracetamol 1 g, tramadol 100 mg, and dipyrone 1 g. In the cardiothoracic intensive care unit, anaesthesia will be maintained using continuous fentanyl (2-5 μg kg-1) until tracheal extubation. After tracheal extubation, patients will receive intravenous multimodal analgesic drugs around the clock, including paracetamol 3 g day-1, tramadol 300 mg day-1, and dipyrone 3 g day-1. If the patients are still in pain, rescue doses of intravenous morphine 5 mg will be administered. |
Active Comparator: Control Arm
The control arm will receive standard care alone.
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Anaesthesia will be induced using midazolam (0.1-0.15 mg kg-1), fentanyl (5-10 μg kg-1), and rocuronium (0.6-1.2 mg kg -1); then, after tracheal intubation, anaesthesia will be maintained using isoflurane at one MAC, along with continuous fentanyl (3-5 μg kg-1 h-1) and midazolam (20-50 μg kg-1 h-1). Moreover, patients will receive intravenous multimodal analgesics, including paracetamol 1 g, tramadol 100 mg, and dipyrone 1 g. In the cardiothoracic intensive care unit, anaesthesia will be maintained using continuous fentanyl (2-5 μg kg-1) until tracheal extubation. After tracheal extubation, patients will receive intravenous multimodal analgesic drugs around the clock, including paracetamol 3 g day-1, tramadol 300 mg day-1, and dipyrone 3 g day-1. If the patients are still in pain, rescue doses of intravenous morphine 5 mg will be administered. |
What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Peak expiratory flow rates (PEFR), measured in liters per second
Time Frame: 72 hours
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The difference between daily PEFR measurements until the third postoperative day compared to baseline values
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72 hours
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Forced expiratory volume in the first second (FEV1), measured in liters
Time Frame: 72 hours
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The difference between daily FEV1 measurements until the third postoperative day compared to baseline values
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72 hours
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Forced vital capacity (FVC), measured in liters
Time Frame: 72 hours
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The difference between daily FVC measurements until the third postoperative day compared to baseline values
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72 hours
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Secondary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Pain scores, measured by visual numeric scale (VNS)
Time Frame: 72 hours
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Daily VNS scores measurment until the third postoperative day
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72 hours
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Opioid consumption, measured in morphine milligram equivalence (MME)
Time Frame: 72 hours
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Daily MME measurment until the third postoperative day
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72 hours
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Postoperative pulmonary complication, based on the European perioperative clinical outcome (EPCO) criteria
Time Frame: 30 days
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The incidence of postoperative pulmonary complications during current hospitalisation
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30 days
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Length of stay
Time Frame: 30 days
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The length of cardiothoracic intensive care unit and hospital stay
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30 days
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Mortality
Time Frame: 30 days
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Thirty-day mortality
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30 days
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Collaborators and Investigators
Sponsor
Investigators
- Principal Investigator: Shai Fein, MD, MHA, Rabin Medical Center
Study record dates
Study Major Dates
Study Start (Estimated)
Primary Completion (Estimated)
Study Completion (Estimated)
Study Registration Dates
First Submitted
First Submitted That Met QC Criteria
First Posted (Actual)
Study Record Updates
Last Update Posted (Actual)
Last Update Submitted That Met QC Criteria
Last Verified
More Information
Terms related to this study
Additional Relevant MeSH Terms
Other Study ID Numbers
- 0577-23-RMC
Plan for Individual participant data (IPD)
Plan to Share Individual Participant Data (IPD)?
IPD Plan Description
Drug and device information, study documents
Studies a U.S. FDA-regulated drug product
Studies a U.S. FDA-regulated device product
This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.
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