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Rare case of mesocardia with ostium secundum ASD and double IVC
  1. Shriram Kumar1,
  2. Shreyas Raghavan Nandyal1,
  3. Sharanya Kaushik2 and
  4. Sufyan Ibrahim3
  1. 1Medicine, Gandhi Medical College and Hospital, Secunderabad, Hyderabad, Telangana, India
  2. 2Bangalore Medical College, Bangalore, Karnataka, India
  3. 3Kasturba Medical College Manipal, Udupi, Karnataka, India
  1. Correspondence to Dr Sufyan Ibrahim; sufyan.ibrahim2{at}


We report an extremely rare case of mesocardia with double inferior vena cava (IVC) in this case report. The patient’s associated atrial septal defect (ASD) with left to right shunt leading to pulmonary congestion and recurrent episodes of pneumonia was the leading diagnosis for which care was sought at our hospital. The diagnoses of these rare congenital cardiac anomalies were uncovered only after a thorough workup. Mesocardia is extremely rare and accounts for only 0.2% of congenital anomalies. Its association with other cardiac and vascular anomalies, however, warrants a meticulous workup for the identification of such associated conditions—ASD and double IVC being two such anomalies in our patient. The dictum of working up a case of congenital cardiac anomaly for other congenital cardiaovascular anomalies, therefore, found merit in our case.

  • Cardiothoracic surgery
  • Paediatric Surgery
  • Vascular surgery

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  • Contributors SKu and SRN were involved in working up the patient and obtaining imaging studies for him. They cared for the patient for a period of 10 days and regularly charted vitals and prepared the preliminary report of case findings and presentations. SI and SKa were provided insights on how to prepare a case report, proofread preliminary versions of the case report and gave opinion regarding what to further elaborate in history of presenting illness. This helped guide the workup of the patient and helped form a broader differential. All authors were involved in extensive review of published literature to help build the narrative of this unique case that hasn’t been extensively published yet.

  • Funding The authors have not declared a specific grant for this research from any funding agency in the public, commercial or not-for-profit sectors.

  • Case reports provide a valuable learning resource for the scientific community and can indicate areas of interest for future research. They should not be used in isolation to guide treatment choices or public health policy.

  • Competing interests None declared.

  • Provenance and peer review Not commissioned; externally peer reviewed.