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Objectives: A subset of hypoplastic-left-heart-syndrome (HLHS) fetuses have a complex cor-triatriatum sinister that we named "labyrinthine-cor (L-cor)". We sought to determine the prevalence of L-cor in HLHS fetuses and hypothesized that it is associated with increased mortality., Methods: This single-center retrospective cohort study included all HLHS fetuses from January 2010-December 2020. Fetuses with other hypoplastic-left-heart variants, inadequate images, lack of follow-up and fetal atrial-septal interventions were excluded. RAS was defined as the ratio of pulmonary-vein forward-to-reverse velocity-time-integral (VTI) ≤ 5 and severe-RAS defined as VTI-ratio <3. Kaplan-Meier survival-analysis was performed for the primary outcome of transplant-free survival for 62 weeks after gestational-age of 30 weeks (∼1 year)., Results: Of the 156 consecutive fetuses with HLHS, 11 (7.7%) had L-cor and 8/11 (72.7%) of these had RAS. When compared to HLHS-RAS without L-cor, fetuses with HLHS-RAS and L-cor were less likely to survive to 28 days (87% vs. 62.5%, p = 0.017) and to 1 year (69.6% vs. 25%, p = 0.029). When comparing by survival analysis, fetuses with severe-RAS with L-cor had lower survival compared severe-RAS without L-cor (p = 0.020)., Conclusion: L-cor in fetal HLHS is associated with increased mortality. Recognition of this finding is important for prognostication and atrial-septal-intervention planning., (© 2024 John Wiley & Sons Ltd.)

Background: Cor triatriatum dexter (CTD) is an extremely rare pathology, with an incidence of < 0.4%. Its main characteristic is a partitioning of the right atrium by the persistence of the embryonic valve of the right sinus venosus., Clinical Case: In this report, we describe the case of a 7-day-old newborn who presented with persistent cyanosis associated with feeding and crying. The diagnosis of CTD was made after an echocardiogram and confirmed using cardiac magnetic resonance imaging. The patient underwent successful surgery on day 14 with a favorable outcome and without complications., Conclusion: The importance of our case lies in the identification of rare heart disease as a cause of cyanosis and desaturation in a neonatal patient in the first days of life who did not present signs of heart failure and whose condition improved with supplemental oxygen. We also demonstrate that early diagnosis with echocardiography and surgical resolution resulted in clear clinical improvement and avoided future complications., (Copyright: © 2024 Permanyer.)

A 65-day-old girl presented to the emergency room with lethargy, requiring emergency venoarterial extracorporeal membrane oxygenation for refractory cardiogenic shock. Initially, hypoplastic left heart syndrome was suspected. However, cor triatriatum with a pinpoint opening on the membrane was diagnosed based on a detailed echocardiographic examination. After membrane resection, the left heart size was restored. However, follow-up echocardiography performed 4 months later showed occlusion of both upper pulmonary veins and stenosis in both lower pulmonary veins. Hybrid balloon angioplasty was performed in all pulmonary veins, and stents were inserted into the right upper and lower pulmonary veins. Despite repeated balloon angioplasty, all pulmonary vein stenosis progressed over 6 months and the patient expired while waiting for a heart-lung transplant. Even after successful repair of cor triatriatum, short-term close follow-up is required for detecting the development of pulmonary vein stenosis.

Necropsy of a 52-day-old Camborough pig revealed numerous cardiac malformations. The positional relationship of the atria, ventricles and great vessels was a mirror image type (I, L and L): inverted arrangement of the atria, with a left-sided right atrium and right-sided left atrium (situs inversus); inverted arrangement of the ventricles, with a left-sided morphological right ventricle and right-sided morphological left ventricle (L-loop); and aortic valve to the front left relative to the pulmonary valve (L-malposed). The major malformations included an ostium secundum atrial septal defect, cor triatriatum sinister (CTS), a subpulmonary ventricular septal defect and a bicuspid pulmonary valve. Histological examination revealed myocyte hypertrophy, focal myocardial necrosis and calcification in the left morphological right ventricle of the heart. To the best of our knowledge, this is the first report of CTS in pigs. Although the individual malformations found in the present case are not unique, an unusual combination of these cardiac malformations has not been described in animals., (Copyright © 2023 Elsevier Ltd. All rights reserved.)

A 37-year-old male patient with corrected transposition of great arteries (ccTGA) with cor triatriatum sinister (CTS), left superior vena cava, and atrial septal defects is reported in our case. None of these impacted the patient's growth or development, nor daily work until age 33. Later, the patient developed symptoms of obvious impaired heart function, which improved after medical treatment. However, the symptoms reappeared and gradually worsened two years later, and we decided to treat it with surgery. In this case, we selected tricuspid mechanical valve replacement, cor triatriatum correction, and atrial septal defect repair. During the follow-up of five years, the patient had no obvious symptoms, ECG did not change significantly from five years ago, and the cardiac color Doppler ultrasound showed RVEF 0.51.

Cor triatriatum sinister (CTS) is a rare congenital cardiac malformation. In CTS, a fibromuscular membrane subdivides the left atrium into 2 chambers. The communication between the 2 chambers is through 1 or more orifices in the dividing membrane. We present an interesting case of a 2-month-old infant with obstructed CTS membrane who first presented on account of poor feeding and failure to thrive. Echocardiography showed a persistent levoatrial cardinal vein (LACV) connecting the left atrium and the innominate vein. This allowed the proximal left atrial chamber to decompress its blood volume into the innominate vein and subsequently the superior vena cava. There was minimal prograde blood flow across the Cor triatriatum membrane, so the majority of pulmonary venous blood ultimately returned to the heart by way of the decompressing vertical vein into the systemic venous circulation. Surgical repair was performed with an uneventful postoperative course. The specific anatomical variant of Cor triatriatum found in our subject has rarely been reported.

Cor triatriatum sinister is a rare congenital heart disease in which the left atrium is divided into two compartments by a fibromuscular membrane. In most cases, its symptoms appear in childhood, and it is rarely diagnosed in adulthood. Patients with cor triatriatum sinister are more prone to neurological diseases, such as cerebral infarction. Herein, we report the case of a patient whose cor triatriatum sinister went undiagnosed in the preoperative evaluation, but was diagnosed whilst investigating a cerebral infarction that occurred following a surgery in the beach chair position. It highlights the potential complications in otherwise healthy asymptomatic patients undergoing surgery in the beach chair position. Additionally, in high-risk patients, the provision of clear communication, in advance, regarding potential complications and their management, may reduce the patient's morbidity., (© 2022 Wiley Periodicals LLC.)

Background: Cor Triatriatum Sinister (CTS) is a rare congenital anomaly with an estimated incidence of 0.4%, resulting from abnormal left atrial septation. It may present in isolation or in association with other heart defects. High percentage of patients require surgery with low mortality and recurrence rates. CTS has been classified in the past however we aim to describe a case series with more comprehensive and inclusive classification., Methods: This was a single-center retrospective cohort study of 16 children with the diagnosis of CTS between 2000 and 2020. Medical records were reviewed for clinical presentations, hospital, and postoperative courses., Results: Sixteen patients (63% female), with a median age at diagnosis of 4.3 months, five (31%) were neonates. Six (38%) had isolated CTS, two (13%) with functional single ventricle (SV), and the remaining eight patients (50%) had other associated heart defects (septal defects in three, coarctation of the aorta in another three, and anomalous pulmonary venous connections in three). Eight patients (50%) presented with obstructed CTS. Twelve patients (75%) underwent surgical intervention. Mortality occurred in three patients (19%) with two surgical (one with total anomalous pulmonary venous connection and another with SV) and one nonsurgical (septal defect with Fanconi anemia). The surgical median follow up was 4.7 years. Recurrence of the membrane occurred in two patients (17%)., Conclusions: This study showed good long-term outcomes for patients with isolated and complex CTS. Complete and proper classification of CTS ensures appropriate diagnosis, surgical planning, and better family counseling which may correlate with outcomes., (© 2022 Wiley Periodicals LLC.)

Cor triatriatum dexter (CTD) is a rare congenital cardiac anomaly with a diverse presentation in every age group. We report a case of CTD in a 36-year-old female who presented with palpitations due to giant right atrium (RA), which we managed successfully with surgical excision of the membrane and RA reduction.

Divided atrium (or Cor triatriatum) dexter (DAD) is a rare congenital cardiopathy, usually associated with other anomalies; isolated forms are even rarer. We report the case of an 84-year-old woman presenting with isolated DAD complicated by right-left atrial shunt through patent foramen ovale (PFO), revealed by right cardiac failure and severe hypoxemia. Late destabilization was caused by total superior vena cava thrombosis, related to her pacemaker. Given the overall context, complete percutaneous treatment was performed, associating PFO occlusion and stent implantation in the right atrial membrane, providing total regression of symptoms. Thus, percutaneous correction of DAD appears to be safe and effective., (Copyright © 2021 Canadian Cardiovascular Society. Published by Elsevier Inc. All rights reserved.)

Adult cor triatriatum sinister associated with severe mitral regurgitation is extremely rare. As these obstructive cor triatriatum feature hemodynamics that mimic mitral stenosis, a pressure load is theoretically generated only on the left atrial proximal chamber, and therefore the left ventricle is less likely to suffer volume loading. Here, we report a surgical case with such rare hemodynamics. A 22-year-old man with obstructive cor triatriatum and severe mitral regurgitation received an anomalous membrane excision and mitral annuloplasty. An abnormal membrane with an orifice 7 mm in size was completely resected while a grossly dilated mitral annulus was repaired via annuloplasty ring. Mitral regurgitation was controlled well, and the postoperative course was uneventful. Even with obstructive cor triatriatum, severe mitral annular dilatation and subsequent left ventricular dilatation may occur, causing the progressive heart failure encountered in this case.

We report a case of a 25-year-old man diagnosed with an unusual case of cor triatriatum sinister with a mobile left atrial thrombus. He was hospitalised with aggravating dyspnoea. Transthoracic echocardiography revealed a membrane-like structure traversing the left atrial and a small orifice of about 7.1 mm. The mean pressure gradient was 12.94 mmHg across the orifice of the membrane-like structure and there was a mobile mass in the post-erosuperior chamber. The anomaly was rectified by a surgical resection. Timely diagnosis and surgical repair may prevent stroke in patients with unusual cor triatriatum sinister.

Background: Cor triatriatum is the rarest of all congenital cardiac diseases, accounting for 0.1-0.4% of congenital heart diseases. Atrial septal defect is the most common associated defect; however, cor triatriatum is sometimes associated with univentricular heart., Methods: This single-centre retrospective study involved all patients who underwent the repair of cor triatriatum at Kobe Children's Hospital between 2000 and 2020. Twenty-four patients were required surgery. We conducted a survey of survival rate, early and late pulmonary vein stenosis in each group., Results: The survival rate of 5 years after cor triatriatum resection was 100% in the biventricular group and 82.1% in the univentricular group, respectively. The free rate for pulmonary stenosis of 5 years after surgery was 100% in the biventricular group and 90.0% in the univentricular group, respectively. There was no statistical difference in survival rate and 5 years free rate for pulmonary stenosis after surgery., Conclusions: The results showed that surgical correction offers good early and mid-term outcomes for both cor triatriatum with biventricular and univentricular physiologies.

Persistent left superior vena cava draining into the left atrium in the absence of coronary sinus and atrial septal defect (Raghib complex) is an uncommon anomaly of systemic venous drainage. We present a unique case of simultaneous presentation of cor triatriatum and persistent left superior vena cava draining into the left atrium in an adult female with partial AV canal and common atrium. Complex intra-atrial baffling including a procedure to redirect flow from a proximal atrial chamber was successful.

We report the case of a 74-year-old male, with a medical history of cor triatriatum, admitted with a 10-day history of intermittent fever. Three sets of blood cultures were positive for Providencia rettgeri. Transthoracic and transesophageal echocardiogram excluded infective endocarditis, but revealed a congenital accessory tissue adhering to the mitral valve, causing supravalvular mitral stenosis. Cor triatriatum sinistrum is a rare congenital cardiac anomaly, even more uncommon in adults, and quite exceptional when associated with mitral valve disease. Because the patient had no symptoms related to the heart valve disease, no surgical indication was given and he was managed conservatively., (© 2019 Wiley Periodicals, Inc.)

Congenital heart disease can be difficult to diagnose in infants because they often present with nonspecific symptoms. Their clinical presentation can resemble that of respiratory infections or sepsis, yet typical treatments for these conditions such as fluid resuscitation may worsen their course. We report a case of an 8-week-old boy who had several weeks of viral symptoms and eventually presented to the emergency department in shock. An echocardiogram revealed the diagnosis of cor triatriatum, a rare congenital heart disease that requires urgent surgical repair. In this article, we review the evaluation and management of such patients and emphasize the importance of considering congenital heart disease in the differential diagnosis for an infant in shock.

Background: We performed a systematic review of cor triatriatum sinistrum (CTS) diagnosed in adults. The aim of this review was to describe the clinical presentation, natural history and management of this congenital heart disease., Methods: A PubMed literature search for 'cor triatriatum sinistrum' published since 2005 was performed. Included patients were divided into those with and without obstructive membrane physiology. The clinical course differences were compared., Results: A total of 171 published cases were included. The median age at diagnosis was 43 years (IQR, 30-60). Obstructive membrane physiology was observed in 70 (41%), and this patient group was younger at presentation (median age 39 (IQR, 28-52) vs 50 years (IQR, 32-64), p=0.003). Patients with obstructive membrane more frequently had associated cardiac defects (58.6% vs 42.4%, p=0.039). Overall, the most frequent clinical symptom was atrial fibrillation, as this was present in 56 (32.8%) of all patients. CTS-related symptoms were more frequent in patients with obstructive membrane: congestive heart failure (44.3% vs 15.2%, p<0.001), pulmonary hypertension (27.1% vs 6.1%, p<0.001), haemorrhage (8.6% vs 0%, p=0.004) and infections manifestation (8.6% vs 0%, p=0.004).A total of 71 (41.5%) patients with CTS required interventional treatment, mainly within patients with the obstructive membrane (86.8% vs 12.6%, p<0.001)., Conclusion: The natural history of CTS most often manifests with symptoms of congestive heart failure. Patients with obstructive membrane most often have associated cardiac defects and higher risk for infections and haemorrhage. The interventional treatment of CTS remains the first choice for obstructive membrane., Competing Interests: Competing interests: None declared., (© Author(s) (or their employer(s)) 2019. No commercial re-use. See rights and permissions. Published by BMJ.)

Objectives: The objective of this study was to report the signalment, presentation, clinical and imaging findings, interventions, and outcomes in a group of dogs with cor triatriatum dexter (CTD)., Animals: Seventeen client-owned dogs., Methods: Medical records were reviewed retrospectively for signalment, history, physical examination findings, imaging and diagnostic findings, presence of concurrent congenital cardiac defects, description of interventional procedures, therapy information, and outcomes., Results: Age at presentation ranged from two to 110 months, with 10 of 17 dogs (59%) aged <12 months. There was an equal distribution between the sexes. Peritoneal effusion was the most common presenting complaint, in 10 of 17 dogs (59%). The CTD was an isolated finding in 3 of 17 dogs (18%); the remaining 14 of 17 (82%) dogs had concurrent cardiac disease, with congenital anomalies present in 12 of 17 (70%). All except one of these 12 dogs had at least one additional condition affecting the right heart. Tricuspid valve dysplasia was the most common congenital comorbidity, present in 9 of 17 dogs (53%). Seven dogs (41%) underwent interventional treatment of their CTD. In 7 of 17 (41%) cases, the CTD was considered to be incidental and the dogs were asymptomatic; therefore, no interventions were performed. The remaining three cases were euthanized or lost to follow-up., Conclusions: Cor triatriatum dexter in dogs is commonly seen in association with other right-sided congenital cardiac anomalies and may be an incidental finding. Dogs with CTD obstructing right atrial inflow can have a good outcome after intervention. Dogs with no clinical signs associated with the CTD may remain asymptomatic into adulthood., (Copyright © 2019 Elsevier B.V. All rights reserved.)

Cor triatriatum sinister is a rare congenital abnormality, with varying signs and symptoms related to the anatomic features and the components of the accompanying cardiac abnormalities. We present a 3-year-old girl who underwent successful simultaneous operation with complete loss of the membrane and ligation of vertical vein by anomalous venous return. The principles for surgical management of cor triatriatum can be summarised as radical resection of the membrane and correction of other intracardiac anomalies.

An 8-month-old boy presents with 1 week of gradually worsening respiratory distress. After chest radiograph shows bilateral airspace opacities, he is treated for pneumonia with antibiotics and intravenous fluids. Shortly after this, he decompensates requiring intubation, followed by cardiopulmonary support with pressors and eventually extracorporeal membrane oxygenation. Bedside ultrasound then shows an additional congenital membrane in the left atrium obstructing pulmonary venous return and thought to have caused his original presentation and subsequent decompensation. After surgical correction, he is decannulated from extracorporeal membrane oxygenation, makes a quick recovery, and is discharged from the hospital in good condition within 2 weeks. This rare case of cor triatriatum highlights the importance of considering congenital heart disease even with common presentations in the pediatric population.

Objective: To describe outcomes in patients with cor triatriatum sinister (CTS)., Design: Retrospective review of patients with CTS followed at Mayo Clinic Rochester from 1990 to 2016. Clinical notes, operative reports, and baseline imaging studies were reviewed including echocardiogram, magnetic resonance imaging, computed tomography, and cardiac catheterization., Results: Fifty-seven patients (median age 34 years; men 32 (56%)) were enrolled. Definitive or suspected CTS diagnosis was made by transthoracic echocardiogram in 41 (72%) patients, and additional multimodality imaging was required in 39 (68%) patients. Of these 57 patients, initial diagnosis was made in adulthood in 35 (61%) patients, and 33 of 57 (58%) patients had additional congenital heart disease (CHD) diagnosis. A total of 27 (47%) patients required surgical resection of CTS membrane during median follow-up of 76 months, and these patients were younger at the time of CTS diagnosis (26 vs 41, P = 0.01) and more likely to have associated CHD (55% vs 45%, P = 0.02). There was one perioperative mortality and no late mortality. There was no recurrence of CTS membrane obstruction in the patients that underwent surgery. Similarly there was no significant increase in CTS membrane gradient in the patients that were managed conservatively., Conclusions: The natural history of CTS is stability without progressive left atrial obstruction, especially in patients with isolated CTS and in those with initial CTS diagnosis made in adulthood. In patients requiring surgical membrane resection due to flow obstruction, surgery is safe and effective with very low risk of recurrence., (© 2018 Wiley Periodicals, Inc.)

Cor triatriatum sinister is a very rare cardiac anomaly that may lead to pulmonary hypertension, right ventricular dilation, and eventually right heart failure. We report a case of a toddler who presented with respiratory distress and cardiomegaly and was found to have cor triatriatum sinister with a restrictive communication, decompressing vertical vein, pulmonary hypertension, severe tricuspid regurgitation, and severe right ventricular dysfunction. She underwent a successful surgical repair, with normalisation of right ventricular function and pulmonary artery pressure.

Cor triatriatum is a rare congenital cardiac anomaly defined by an abnormal septation within the atrium (left or right) leading to inflow obstruction to the respective ventricles. It exists either in isolated classical form or may be associated with simple to complex congenital cardiac anomalies. Several anatomical variants exist even in the classical form, and therefore, it may require multimodal diagnostic modalities to characterize and differentiate for better percutaneous interventional or surgical planning. It commonly presents in infancy but may remain undetected till death. Symptomatology typically mimics mitral and tricuspid stenosis in sinister and dexter varieties, respectively. However, features of systemic embolization, heart failure, atrial fibrillation, cyanosis, cardiac asthma, syncope, and sudden cardiac arrest have also been reported in the literature. Surgical correction under cardiopulmonary bypass is the preferred treatment. Nevertheless, balloon dilatation may be considered in anatomically compatible variants and in special circumstances, such as heart failure, pregnancy, or as a bridge to definitive treatment.

We present a rather unusual cause for syncope associated with atrial tachycardia. A man aged 39 years presented with an episode of syncope and narrow complex tachycardia. Further investigations, including transoesophageal echocardiography, identified cor triatriatum sinistrum (CTS), a rare congenital abnormality characterised by the atrium being divided by a fibrous membrane. Although it is rare, there has been an increase in diagnosis due to developments in diagnostic imaging techniques. Symptoms are related to the size of fenestrations within the fibrous membrane. Presenting symptoms can mimic those seen in mitral stenosis. It is a condition that can occur in isolation, but it can also be associated with other cardiac abnormalities such as an atrial septal defect (ASD) (as in this case). Surgery is the definitive treatment (this man had surgical repair of CTS and closure of ASD) and should be considered at any age if there are any associated symptoms or complications., (2017 BMJ Publishing Group Ltd.)

Background: Cor triatriatum dexter (CTD) is a rare congenital cardiac malformation with various manifestations and has been sporadically described in dogs. Clinically the dogs present with nonspecific signs of right heart failure or Budd-Chiari-like syndrome. Other associated concurrent cardiovascular anomalies are commonly reported. Diagnosis and full characterization of this complex malformation requires careful investigation and often a multimodal imaging approach., Case Presentation: A 10-week-old, male intact, Golden Retriever was presented with clinical signs of stunted growth, anorexia, and progressive ascites. CTD imperforate with sole separation of the caudal vena cava (CdVC) and concurrent venous wall mineralization was conjointly diagnosed and fully characterized by echocardiography, non-selective angiography, computed tomography angiography and cardiac magnetic resonance imaging (MRI). This was successfully treated surgically and the dog returned to normal activity., Conclusion: To the author's knowledge, this is the first case of CTD imperforate separating the CdVC from the right atrium (RA) with presumed secondary CdCV wall and hepatic parenchyma mineralization reported in a dog. CTD is an important and potentially correctable cause for the development of ascites in a young puppy. Accurate diagnosis of this complex cardiac anomaly is important for selection of the most appropriate curative treatment option.

A 33-day-old infant with obstructed cor triatriatum sinister and partial anomalous pulmonary venous drainage presented with respiratory distress and fever. Her suprasystemic pulmonary hypertension was relieved by opening the connection to the right atrium using balloon atrial septoplasty and septostomy, and to the inferior chamber using balloon dilation of a fenestration in the dividing membrane. This enabled extubation and discharge, with elective surgical repair at 2 months. To our knowledge, this is the youngest patient to receive a catheter intervention for obstructed cor triatriatum sinister, providing relief of pulmonary hypertension and postponement of surgical repair., (Copyright © 2016 Canadian Cardiovascular Society. Published by Elsevier Inc. All rights reserved.)

Cor triatrium is a rare congenital heart disease typically diagnosed amongst very young patients. Delayed diagnosis in the elderly is much more unusual. We report the case of a 59-year-old male with unremarkable medical history in whom we have discovered, on an echocardiography performed for an exploration of transient ischemic accident with atrial fibrillation, a particular form of an isolated cor triatrium dextrum investigated with multimodality imaging., (Copyright © 2016 Elsevier Masson SAS. All rights reserved.)

A 14-year-old boy presented to us with a diagnosis of severe asthma and oxygen desaturation of 76% on a 6-minute-walk test. A contrast echocardiogram revealed echocontrast in the left and right atria simultaneously. A secundum atrial septal defect and partial cor triatriatum dexter were diagnosed, and the atrial defect was closed by cardiac catheterisation.

Cor triatriatum is a rare cardiac anomaly sometimes associated with tetralogy of Fallot (TOF) and persistent left superior vena cava (PLSVC). We present the case of a 2-year-old girl who was diagnosed with a unique form of cor triatriatum that was associated with TOF and PLSVC. In this case, the abnormal membrane that arose from the posterior wall of the left atrium encircled the left superior vena cava (LSVC) in the left atrial cavity. Here, we discuss this rare case as well as the imaging studies and surgical strategy adopted.

A 57-year-old male with persistent atrial fibrillation (AF) was referred for catheter ablation. Multidetector computed tomography (MDCT) revealed that a membrane divided the left atrium into two chambers, thus indicating the presence of cor triatriatum sinister. A 3D image reconstructed by MDCT showed that the accessory atrium received the left common and the right side PVs, as if it were a total common trunk, and this then flowed into the main atrium. After isolation of the pulmonary vein and posterior wall from the left atrium, AF could not be induced by any programmed pacing. The patient has remained free from AF during the 1 year of follow-up.

Truncus arteriosus communis is a rare CHD, accounting for only 1% of all congenital cardiac abnormalities. It has been associated with other malformations of the heart, mainly truncal valve (bicuspid/quadricuspid) and aortic arch abnormalities such as right, interrupted, and hypoplastic aortic arch. Cor tratriatrum sinistrum is another rare CHD, and it has been associated with other cardiac defects such as anomalous pulmonary venous drainage, ventricular septal defect, coarctation of the aorta, and tetralogy of Fallot. The combination of truncus arteriosus communis and cor tratriatrum sinistrum has not been reported so far. This case study describes the diagnosis of a unique case, including these two very rare cardiac defects and the successful surgical treatment thereafter.