Tilting the balance: hemidiaphragm paralysis leading to right to left cardiac shunt

Patent foramen ovale (PFO) is a congenital abnormality present in 25%–30% of healthy adults and rarely leads to any sequelae. 1 2 It is associated with a left-to-right shunt which usually does not lead to any haemodynamic compromise. Occasionally, the shunt can get reversed; that is, right-to-left s...

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Veröffentlicht in:BMJ case reports 2018-12, Vol.11 (1), p.bcr-2018-227944
Hauptverfasser: Ghani, Ali Raza, Hamid, Mohsin, Dhillon, Puneet, Ullah, Waqas
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Hamid, Mohsin
Dhillon, Puneet
Ullah, Waqas
description Patent foramen ovale (PFO) is a congenital abnormality present in 25%–30% of healthy adults and rarely leads to any sequelae. 1 2 It is associated with a left-to-right shunt which usually does not lead to any haemodynamic compromise. Occasionally, the shunt can get reversed; that is, right-to-left shunt occurs due to worsening pulmonary hypertension and can lead to persistent hypoxia. It is rare for the shunt reversal to happen in the absence of pulmonary hypertension. Here, we present an exceedingly rare case in a 61-year-old man presenting with hypoxia, was found to have shunt reversal due to unilateral diaphragmatic paralysis. He was successfully treated with PFO closure. The purpose of this report is to consider rare possibilities of PFO shunt reversal when the right-sided heart pressure is normal and to highlight that a simple chest X-ray can be a clue to the diagnosis.
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Occasionally, the shunt can get reversed; that is, right-to-left shunt occurs due to worsening pulmonary hypertension and can lead to persistent hypoxia. It is rare for the shunt reversal to happen in the absence of pulmonary hypertension. Here, we present an exceedingly rare case in a 61-year-old man presenting with hypoxia, was found to have shunt reversal due to unilateral diaphragmatic paralysis. He was successfully treated with PFO closure. 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subjects Adult
Aneurysms
Antibiotics
Case reports
Diagnosis, Differential
Drug overdose
Dyspnea
Echocardiography, Transesophageal
Embolisms
Foramen Ovale, Patent - complications
Foramen Ovale, Patent - diagnosis
Foramen Ovale, Patent - diagnostic imaging
Foramen Ovale, Patent - surgery
Health risk assessment
Heart
Humans
Hypertension, Pulmonary - etiology
Hypoxia
Hypoxia - etiology
Male
Oxygen therapy
Pulmonary arteries
Respiratory Paralysis - complications
Respiratory Paralysis - diagnosis
Respiratory Paralysis - diagnostic imaging
Respiratory Paralysis - surgery
Unusual Presentation of More Common Disease/Injury
X-rays
title Tilting the balance: hemidiaphragm paralysis leading to right to left cardiac shunt
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