Congenital Cardiac Anesthesia Society
A Section of the the Society for Pediatric Anesthesia

Congenital Cardiac Anesthesia Society

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Question of the Week 527

{“questions”:{“vwpuk”:{“id”:”vwpuk”,”mediaType”:”image”,”answerType”:”text”,”imageCredit”:””,”image”:””,”imageId”:””,”video”:””,”imagePlaceholder”:””,”imagePlaceholderId”:””,”title”:”Authors: Sonya V. Gupta, AM, MS1 – Stanford University AND Kaitlin M. Flannery, MD, MPH – Stanford University \r\n\r\nA 2-year-old, 10kg female with DiGeorge syndrome, reactive airway disease, and history of Tetralogy of Fallot with pulmonary atresia and major aortopulmonary collaterals (MAPCAS), who has undergone unifocalization and complete intracardiac repair with RV-PA conduit, presents to the cardiac catheterization lab for conduit and pulmonary artery dilation. The procedure is complicated by pulmonary hemorrhage, requiring urgent intervention and ICU admission. According to PREDIC3<\/sup>T (Procedural Risk in Congenital Cardiac Catheterization), which of the following factors MOST increased the risk of the high-severity adverse event (HSAE) that occurred?\r\n”,”desc”:”EXPLANATION \r\nCatheterization laboratory-based procedures have expanded considerably in recent years, as has the complexity of patients and interventions. To update catheterization lab risk stratification with some of these novel procedures, the PREDIC3<\/sup>T (Procedural Risk in Congenital Cardiac Catheterization) study was published in 2022. The risk stratification system was created looking at the incidence of adverse events in over 23,000 catheterizations at 13 different institutions from January 2014 – December 2017. Importantly, this period included transcatheter pulmonary valve replacement (TPVR), which is missing from older risk stratification systems \r\n\r\nAdverse events were categorized as level 1-5, with 3-5 being high-severity adverse events (HSAE). Level 1 was a near-miss, such as an equipment malfunction with no consequence. Level 2 was a minor event that was not life-threatening, such as a groin hematoma or a self-resolving hemodynamically stable arrhythmia. Level 3 was a moderate event, which could be life-threatening if not treated, such as an unstable arrhythmia or vascular injury that requires treatment. Level 4 is a major event that is life-threatening and requires CPR, surgical treatment, major interventional procedure, or ECMO to treat. Level 5 is a catastrophic event resulting in death. Adverse events occurred in 10.9% of cases, including HSAEs in 5.2% of cases. A total of 17 deaths occurred for a rate of 0.07%.1<\/sup> Of note, case complexity is also increased if multiple procedures are being performed together.1-2<\/sup>\r\n\r\nThe following patient factors were found to be significantly associated with HSAEs1<\/sup>: \r\n\u25cf\tAge < 30 days \r\n\u25cf\tSingle ventricle physiology \r\n\u25cf\tCardiac surgery in the past 90 days \r\n\u25cf\tLow systemic oxygen saturation (<95% for biventricular physiology, <78% for single ventricle) \r\n\u25cf\tLow mixed venous saturation (<60% for biventricular physiology, <50% for single ventricle) \r\n\u25cf\tHigh pulmonary artery pressure (PASP > 45 mmHg for biventricular physiology, mPAP > 17 mmHg for single ventricle) \r\n\u25cf\tSystemic ventricle end-diastolic pressure \u226518 mmHg \r\n\u25cf\tQp:Qs > 1.5:1 \r\n\u25cf\tPVR > 3 iWU \r\n\r\nThe following patient factors were not found to be significantly associated with HSAEs1<\/sup>: \r\n\u25cf\tGenetic syndromes \r\n\u25cf\tNoncardiac problems (ex: chronic lung disease, coagulation disorder) \r\n \r\nThe case types were divided into six risk categories (Table 1). The frequency of HSAE in risk category 0 was 1.1% and 7.7%, 10.8%, and 13.9% for categories 3, 4, and 5, respectively.1<\/sup> \r\n\r\nTable 1. PREDIC3<\/sup>T Case-Type Risk Categories \r\n\r\n \r\nTable from: Quinn BP, Yeh M, Gauvreau K, et al<\/em>. Procedural Risk in Congenital Cardiac Catheterization (PREDIC3<\/sup>T). J Am Heart Assoc<\/em>. 2022;11(1):e022832. Used under Creative Commons License. \r\n\r\nThe patient in the question stem is presenting for a case that falls in risk category 5 due to intervention on \u2265 2 pulmonary arteries and RV-PA conduit intervention. The other answer choices, her genetic syndrome and noncardiac condition, are not associated with increased risk of HSAE in the PREDIC3<\/sup>T study. \r\n\r\n \r\nREFERENCES \r\n1.\tQuinn BP, Yeh M, Gauvreau K, et al. Procedural Risk in Congenital Cardiac Catheterization (PREDIC3T). J Am Heart Assoc<\/em>. 2022;11(1):e022832. doi:10.1161\/JAHA.121.022832\r\n2.\tKobayashi D, Amin EK, Morgan GJ, et al. Usefulness of PREDIC3T Case Type Risk Category in the CRISP Registry. Am J Cardiol<\/em>. 2024;212:73-79. doi:10.1016\/j.amjcard.2023.11.056\r\n”,”hint”:””,”answers”:{“f58rg”:{“id”:”f58rg”,”image”:””,”imageId”:””,”title”:”A. Reactive Airway Disease”},”vxqpo”:{“id”:”vxqpo”,”image”:””,”imageId”:””,”title”:”B. Genetic Syndrome”},”8ugnp”:{“id”:”8ugnp”,”image”:””,”imageId”:””,”title”:”C. Interventional dilation of RV-PA conduit and branch pulmonary arteries”,”isCorrect”:”1″}}}}}

Question of the Week 526

{“questions”:{“redml”:{“id”:”redml”,”mediaType”:”image”,”answerType”:”text”,”imageCredit”:””,”image”:””,”imageId”:””,”video”:””,”imagePlaceholder”:””,”imagePlaceholderId”:””,”title”:”Authors: Sonya V. Gupta, AM, MS1 – Stanford University AND Kaitlin M. Flannery, MD, MPH – Stanford University\r\n\r\nA 5-year-old, 15kg male with a history of Tetralogy of Fallot, pulmonary atresia and major aortopulmonary collaterals (MAPCAs) who has undergone unifocalization and complete intracardiac repair with RV-PA conduit, presents for a conduit exchange. Additional past medical history includes tracheobronchomalacia, frequent respiratory infections, and hypocalcemia requiring oral calcium supplementation. Which of the following syndromes does this patient MOST likely have?\r\n”,”desc”:”EXPLANATION \r\nThe patient\u2019s clinical presentation is most consistent with DiGeorge syndrome, a multisystem disorder associated with defective development of the pharyngeal pouch system and includes congenital heart disease, especially conotruncal defects including Tetralogy of Fallot, craniofacial anomalies, airway anomalies, and disorders of the endocrine, immune, and hematologic systems. It is most often caused by deletion of chromosome 22q11 (del22q11), though some patients may present with the phenotype without said mutation. While it can be inherited in an autosomal dominant pattern, most cases result from de novo mutations.1<\/sup>\r\n\r\nDiGeorge syndrome is the second most common genetic syndrome resulting in congenital heart disease, following Down syndrome. The incidence is 1 in 4000 live births with 70% of patients having CHD. Most data regarding anesthetic and cardiac surgical outcomes are limited to case series and case reports. A larger single-center retrospective study, from the Mayo Clinic, published in 2012, allows examination of outcomes.2<\/sup> The study included 62 unique patients undergoing 136 cardiac surgical procedures from 1976-2012. Despite craniofacial and airway anomalies, 95% of patients were intubated on the first attempt. The 3 patients who were not intubated on the first attempt, were easy to mask ventilate, and were intubated using direct laryngoscopy on attempt 2 or 3. The craniofacial and airway anomalies played a larger role postoperatively as 12% of patients required reintubation and 5% require tracheostomy. Postoperative infections occurred in 22% of cases including 6 sternal wound infections. There were no in-hospital deaths or 30-day mortality. This study did not include a control group. Therefore, it is unclear if the rates of reintubation, tracheostomy, or infection are higher in patients with DiGeorge syndrome.2<\/sup> \r\n\r\nPatients with DiGeorge syndrome may have complex CHD not amenable for corrective surgery and require heart transplantation. Management of immunosuppression may be impacted by the underlying immune deficiencies. A retrospective study published in 2019, utilizing data from all pediatric heart transplants in the United States since 1986, found 17 heart transplants performed in patients with DiGeorge syndrome. Of these patients, 47% underwent transplant as an infant. Pretransplant characteristics were not significantly different from patients without a genetic syndrome. Median survival after transplant was 5.4 years in patients with DiGeorge syndrome versus >15 years in patients without DiGeorge syndrome. However, when patients were matched by age and gender, the difference in post-transplant survival did not exist. There was no significant difference in hospitalization for infection or rejection in patients with or without DiGeorge syndrome. Based on these results, the authors of this study advocate that DiGeorge syndrome should not be an absolute contraindication to heart transplantation.3<\/sup> \r\n\r\nAnesthetic considerations for patients with DiGeorge syndrome involve management of the underlying cardiac lesions as well as extra-cardiac manifestations. Airway anomalies and velopharyngeal dysfunction with resulting risk of aspiration must be carefully considered. These patients are also prone to hypocalcemia from parathyroid hypoplasia and often require calcium supplementation in the perioperative period. Immune impairment from thymic hypoplasia and T-cell dysfunction makes these children at risk of infections as well as transfusion-associated graft-versus-host disease (TA-GVHD) and they should receive irradiated blood products until confirmation of normal immune function.4<\/sup> \r\n\r\nThe patient described in the vignette above has DiGeorge syndrome, based on the presence of conotruncal and airway anomalies, immune dysfunction and hypocalcemia. Down syndrome also presents with characteristic cardiac and craniofacial anomalies, thyroid dysfunction but without hypocalcemia. Goldenhar syndrome patients typically show asymmetrical midface anomalies without endocrine or cardiac manifestations. \r\n\r\n \r\nREFERENCES \r\n1.\tBassett AS, McDonald-McGinn DM, Devriendt K, et al. Practical guidelines for managing patients with 22q11.2 deletion syndrome. J Pediatr<\/em>. 2011;159(2):332-339.e1. doi:10.1016\/j.jpeds.2011.02.039 \r\n2.\tYeng Yeoh T, Scavonetto F, Hamlin RJ, Burkhart HM, Sprung J, Weingarten TN. Perioperative Management of Patients With DiGeorge Syndrome Undergoing Cardiac Surgery. J Cardiothorac Vasc Anesth<\/em>. 2014;28(4):983-989. doi:10.1053\/j.jvca.2013.10.025 \r\n3.\tWoolman P, Bearl DW, Soslow JH. Characteristics and outcomes of heart transplantation in DiGeorge syndrome. Pediatr Cardiol<\/em>. 2019 Feb 7;40(4):768-75. doi: 10.1007\/s00246-019-02063-w \r\n4.\tMcDonald-McGinn DM, Hain HS, Emanuel BS, Zackai EH. 22Q11.2 deletion syndrome. GeneReviews\u00ae<\/em> – NCBI Bookshelf. Published May 9, 2024. https:\/\/www.ncbi.nlm.nih.gov\/books\/NBK1523\/\r\n\r\n\r\n”,”hint”:””,”answers”:{“utm0k”:{“id”:”utm0k”,”image”:””,”imageId”:””,”title”:”A. Down syndrome”},”wbjj8″:{“id”:”wbjj8″,”image”:””,”imageId”:””,”title”:”B. DiGeorge syndrome”,”isCorrect”:”1″},”idvgy”:{“id”:”idvgy”,”image”:””,”imageId”:””,”title”:”C. Goldenhar syndrome”}}}}}

Question of the Week 525

{“questions”:{“uy0gm”:{“id”:”uy0gm”,”mediaType”:”image”,”answerType”:”text”,”imageCredit”:””,”image”:””,”imageId”:””,”video”:””,”imagePlaceholder”:””,”imagePlaceholderId”:””,”title”:”Author: Anila B Elliott, MD – University of Michigan – C.S. Mott Children\u2019s Hospital \r\n\r\nA 2-month-old, 3.5kg boy with hypoplastic left heart syndrome (HLHS) palliated with ductal stenting and pulmonary artery banding whose postoperative course was complicated by deep vein thrombosis (DVT) now presents for a Norwood operation. An initial dose of 600 units\/kg heparin was administered with a subsequent activated clotting time (ACT) of 300 seconds. An additional dose of heparin was administered, and the ACT remained 305 seconds. What is the MOST effective course of action to increase the ACT to a level appropriate for cardiopulmonary bypass?”,”desc”:”EXPLANATION \r\nHeparin is currently the gold standard for anticoagulation to prevent thrombosis during cardiopulmonary bypass (CPB) due to its efficacy, cost-effectiveness, and ability to be reversed.1<\/sup> Unfractionated heparin (UFH) works by binding to antithrombin (AT), thereby enhancing its activity to inhibit thrombin (factor IIa), factor Xa and other clothing factors.2<\/sup> However, the anticoagulant effect of UFH can vary significantly among different patient populations and age ranges.\r\n\r\nActivated clotting time (ACT) has been in use since the 1960s to monitor the anticoagulant effects of heparin.3<\/sup> Due to the pharmacokinetics of heparin, higher doses result in an increase in intensity and duration of the anticoagulant effect with renal elimination playing a role in clearance. Most institutions require an ACT level of 400-480 seconds to safely initiate CPB. \r\n\r\nSince heparin requires AT to work effectively, a patient with AT deficiency will have a reduction in heparin effect.4<\/sup> In the congenital cardiac patient population, particularly infants, lower concentrations of AT increase the risk of heparin resistance. Congenital heart disease is also associated with coagulation abnormalities.5<\/sup> Cyanotic lesions can lead to chronic hypoxemia, stimulating erythropoiesis, which may suppress platelet production. Increased fibrinolysis has also been reported in cyanotic patients. Poor cardiac output, hypoxemia and chronic passive congestion of the liver can also result in underproduction of clotting factors, specifically those that are vitamin K-dependent (II, VII, IX, X). Patients with HLHS are particularly impacted by factor deficiencies with deficiencies reported in factors II, VII, IX, X, V, VII and protein C and S, which can be most pronounced prior to first-stage palliation. \r\n\r\nHeparin resistance is defined as failure of appropriate weight-based doses of heparin to achieve a target ACT.2<\/sup> Inadequate therapeutic effect of heparin can lead to thrombosis of the CPB circuit, a catastrophic event. Sub-therapeutic heparin levels can also trigger low levels of coagulation cascade activation, resulting in consumptive coagulopathy and excessive bleeding after heparin neutralization. It has been reported that heparin levels can decrease by 40-60% within 80 minutes, with recommendations to re-dose with 1\/3 to \u00bd the original heparin dose, which is often done while on CPB.2<\/sup> \r\n\r\nTreatment options for heparin resistance include additional heparin, fresh frozen plasma (FFP), and AT concentrates.1<\/sup> FFP contains approximately 1 IU of antithrombin per 1mL, but studies have shown that even two units of FFP may be insufficient to improve heparin responsiveness in adults. AT concentrates are an off-label alternative that have been shown to be more effective clinically. Given the paucity of data available in pediatric patients, dosing ranges are variable, with the most clinically efficacious studies showing 50units\/kg to be clinically effective, depending on ACT after initial dose of heparin and goal ACT.3<\/sup> \r\n\r\nThis patient likely has low levels of AT given their age, but also faces the risk of acquired AT deficiency from anticoagulant use. In this 3.5kg infant, approximately 175mL of FFP (more than half the patient\u2019s blood volume) would be needed to provide the equivalent amount of AT in a 50units\/kg dose of concentrate.4<\/sup> Therefore, although institutional practices may vary, the most EFFECTIVE treatment to increase ACT would be to administer AT concentrate, which is answer C. \r\n\r\n\r\n \r\nREFERENCES \r\n1.\tAvidan, MS., Levy, JH., Scholz, J. et al. A phase III, double-blind, placebo-controlled, multicenter study on the efficacy of recombinant human antithrombin in heparin-resistant patients scheduled to undergo cardiac surgery necessitating cardiopulmonary bypass. Anesthesiology<\/em>. 2005; 102: 276-284 \r\n2.\tFinley, A., Greenberg, C. Heparin Sensitivity and Resistance Management During Cardiopulmonary Bypass. Anesth Analg<\/em> 2013; 111(6): 1210-1222. DOI: 10.1213\/ANE.0b013e31827e4e62 \r\n3.\tHarnish, J., Beyer, K., Collins, J. Anticoagulation strategies in pediatric cardiopulmonary bypass, weight-based vs concentration-based approaches. J Extra Corpor Technol<\/em> 2022; 54(2): 153-160 \r\n4.\tJones, AJ., O\u2019Mara, KL., Kelly, BJ., et al. The impact of antithrombin III use in achieving anticoagulant goals in pediatric patients. J Pediatr Pharmacol Ther<\/em> 2017; 22(5): 320-325 \r\n5.\tStockton, WM., Padilla-Tolentino, E., Ragsdale, CE. Antithrombin III doses rounded to available vial sizes in critically ill pediatric patients. J Pediatr Pharmacol Ther <\/em>2017; 22(1): 15-21\r\n”,”hint”:””,”answers”:{“s4vvg”:{“id”:”s4vvg”,”image”:””,”imageId”:””,”title”:”A.\tAdminister 5mL\/kg fresh frozen plasma”},”6lcjd”:{“id”:”6lcjd”,”image”:””,”imageId”:””,”title”:”B.\tInitiate cardiopulmonary bypass and administer additional heparin via the circuit”},”qcnp3″:{“id”:”qcnp3″,”image”:””,”imageId”:””,”title”:”C.\tAdminister 50 units\/kg antithrombin concentrate”,”isCorrect”:”1″}}}}}

Question of the Week 524

{“questions”:{“dvry2”:{“id”:”dvry2″,”mediaType”:”image”,”answerType”:”text”,”imageCredit”:””,”image”:””,”imageId”:””,”video”:””,”imagePlaceholder”:””,”imagePlaceholderId”:””,”title”:”Author: Anila B. Elliott, MD – University of Michigan – C.S. Mott Children\u2019s Hospital \r\n\r\nAn 8-year-old female with pulmonary hypertension treated with sildenafil and ambrisentan is found to have a mean pulmonary artery pressure (mPAP) of 65mmHg and PVRI of 12.2 Woods Units (WU) on cardiac catheterization. Given these findings, she is being initiated on Treprostinil (Remodulin) subcutaneous infusion. \r\n\r\n\r\nWhich is of the following biologic pathways represents the CORRECT mechanism of action for treprostinil?\r\n”,”desc”:””,”hint”:””,”answers”:{“v6hhn”:{“id”:”v6hhn”,”image”:””,”imageId”:””,”title”:”A. Nitric oxide -> guanylate cyclase -> cGMP -> vasodilation”},”y8d5h”:{“id”:”y8d5h”,”image”:””,”imageId”:””,”title”:”B. Inhibition of endothelin -> decreased intracellular calcium -> vasodilation”},”6k1mo”:{“id”:”6k1mo”,”image”:””,”imageId”:””,”title”:”C. Prostacyclin -> activation of adenylate cyclase -> increase cAMP -> vasodilation”,”isCorrect”:”1″}}}},”results”:{“35z9o”:{“id”:”35z9o”,”title”:””,”image”:””,”imageId”:””,”min”:”0″,”max”:”1″,”desc”:””,”redirect_url”:”https:\/\/ccasociety.org\/wp-content\/uploads\/2025\/04\/CCAS-QOW-Posted-5-1-2025.pdf”}}}

Question of the Week 523

{“questions”:{“kjye7”:{“id”:”kjye7″,”mediaType”:”image”,”answerType”:”text”,”imageCredit”:””,”image”:””,”imageId”:””,”video”:””,”imagePlaceholder”:””,”imagePlaceholderId”:””,”title”:”Author: Anila B. Elliott, MD, University of Michigan – C.S. Mott Children\u2019s Hospital \r\n\r\nA 3-year-old girl is undergoing surgical repair of an atrial septal defect via median sternotomy. A deep parasternal intercostal plane (DPIP) block is performed at the end of the procedure to facilitate early extubation and post-operative analgesia. Which of the following nerves are the primary targets of this block? \r\n”,”desc”:”EXPLANATION \r\nEffective management of perioperative pain in pediatric cardiac surgery is important, as inadequate pain control has been linked to a range of complications, including extended ICU and hospital stays, respiratory complications, prolonged intubation and hemodynamic instability.1<\/sup> Regional anesthesia is increasingly being utilized as a key component of a multimodal approach to improve the perioperative care of this patient population.2<\/sup> Due to the increasing numbers of regional techniques that are being described, there is significant heterogeneity and confusion about nomenclature. El-Boghdadly et al. attempted to standardize the nomenclature to improve communication, education and training.5<\/sup>\r\n\r\n\r\nOne current technique is the deep parasternal intercostal plane block (DPIP) (formerly termed transversus thoracic muscle plane (TTMP) block), which was first described in 2015 by Ueshima and colleagues.3<\/sup> It has been shown to be effective in providing analgesia for surgeries involving a median sternotomy. This muscle plane block involves injecting local anesthetic bilaterally, between the transversus thoracic muscle and the internal intercostal muscles. It targets the anterior cutaneous branches of the intercostal nerves (T2-T6) to provide analgesia to the anterior chest wall.4<\/sup> \r\n\r\n\r\nAlthough many studies of the efficacy of this regional technique have been performed on adult patients, there are a select few that have investigated the impact on pediatric cardiac surgery patients.4<\/sup> The DPIP block offers several advantages, including a reduction in opioid consumption, decreased pain scores, improved hemodynamic stability and enhanced recovery following open-heart surgery.2,4<\/sup> Complications of the block include vascular injury to nearby vasculature, hematoma, infection, and pneumothorax.4<\/sup> \r\n\r\n\r\n\r\nThere are other regional anesthetic techniques for the anterior chest wall that can be performed as part of surgery involving a median sternotomy. The superficial parasternal intercostal plane block (SPIP), formerly termed the pecto-intercostal fascial plane block (PIFB), also blocks the anterior cutaneous branches of the intercostal nerves, and is thought to have a superior safety profile when compared to the deep version of the block, especially in children. Pectoralis blocks (PECS I and PECS II) can also be performed for sternal analgesia.5<\/sup> The PECS I block targets the pectoral nerves, whereas the PECS II block targets the lateral branches of the intercostal nerves (T2-T6).4<\/sup> \r\n\r\n\r\nFigure 1: Summary of innervation of regional blocks for procedures on the anterior chest wall \r\n\r\n\r\n\r\nAdditionally, the erector spinae plane (ESP) block has been shown to be effective in pediatric cardiac surgery. This block targets the dorsal and ventral rami of the thoracic and abdominal spinal nerves, providing reliable coverage of the posterior chest wall.4<\/sup> However, studies have found that its analgesic effect on the anterior chest wall can be inconsistent. \r\n\r\n\r\nAs regional anesthetic techniques continue to evolve, it is important for congenital cardiac anesthesiologists to stay informed about these advancements to optimize patient care and recovery. In this patient, the planned DPIP block would target the anterior cutaneous branches of the intercostal nerves, which is answer B. The lateral cutaneous branches are primarily targeted by posterior chest wall regional techniques, and the pectoral nerves are blocked by the two pectoralis blocks. \r\n\r\n \r\nREFERENCES \r\n1.\tAydin, ME., Ahiskalioglu, A., Ates, I., et al. Efficacy of ultrasound-guided transversus thoracic muscle plane block on postoperative opioid consumption after cardiac surgery: a prospective, randomized, double-blind study. JCVA<\/em> 2020; 34(11): 2996-3003 \r\n2.\tCakmak, M., Isik, O. Transversus thoracic muscle plane block for analgesia after pediatric cardiac surgery. JCVA<\/em> 2021; 35(1): 130-136 \r\n3.\tUeshima, H., Kitamura, A. Clinical experiences of ultrasound-guided transversus thoracic muscle plane block: a clinical experience. J Clin Anesth<\/em> 2015; 27: 428-429 \r\n4.\tDost, B., De Cassai, A., Amaral, S., et al. Regional anesthesia for pediatric cardiac surgery: a review. BMC Anesthesiology<\/em> 2025; Retrieved at: https:\/\/bmcanesthesiol.biomedcentral.com\/articles\/10.1186\/s12871-025-02960-z#ref-CR1\r\n5.\tEl-Boghdadly K, Wolmarans M, Stengel AD, et al. Standardizing nomenclature in regional anesthesia: an ASRA-ESRA Delphi consensus study of abdominal wall, paraspinal, and chest wall blocks. Reg Anesth Pain Med<\/em>. 2021;46(7):571-580. doi:10.1136\/rapm-2020-102451\r\n”,”hint”:””,”answers”:{“kjdni”:{“id”:”kjdni”,”image”:””,”imageId”:””,”title”:”A.\tLateral branches of the intercostal nerves”},”05i0i”:{“id”:”05i0i”,”image”:””,”imageId”:””,”title”:”B.\tAnterior cutaneous branches of the intercostal nerves”,”isCorrect”:”1″},”u1tts”:{“id”:”u1tts”,”image”:””,”imageId”:””,”title”:”C.\tPectoral nerves”}}}}}

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Poll of the Month

June 2025
At your institution, do patients presenting for elective cardiac surgery who are found to be anemic on routine testing undergo formal preoperative anemia testing and treatment?
View Results
Total Answers 104
Total Votes 104

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