Internal dislocation of scapula following thoracotomy for lung transplantation – a case report
© Palissery et al. 2009
Received: 29 November 2008
Accepted: 16 April 2009
Published: 16 April 2009
The diagnosis of chest pain at times can be challenging and requires a detailed history, thorough physical examination and investigations including imaging in post transplantation patients. This case is an example of a rare cause of pleuritic chest pain, which was initially misdiagnosed as a haemothorax. The correct diagnosis of dislocated scapula was delayed for three days resulting in considerable discomfort for the patient.
We present a case of dislocation of scapula following thoracotomy for single lung transplantation. This complication should be considered in the list of differential diagnosis for the pleuritic chest pain after thoracotomy.
This case highlights the importance of careful positioning of the patient perioperatively and when they are sedated and ventilated after the surgical procedure.
The number of patients undergoing lung transplantation globally has averaged between 1300 – 1400 per year and patients currently receiving a lung transplantation can be expected to have survival rates of approximately 75% at 1 year and 45% at 5 years from the time of transplantation . Life-threatening complications of lung transplantation occur in 37% of the cases, with a mortality of 13% within first three months after the transplantation . Post-operative deaths are commonly due to bleeding, sepsis, acute rejection, adult respiratory distress syndrome, multiorgan failure, diffuse alveolar damage and respiratory failure . Other complications include mechanical pulmonary complications, trauma to adjacent structures, bleeding, infection, reperfusion oedema and rejection. [3–5]. We present a rare complication of thoracotomy namely, dislocation of the scapula presenting as pleuritic chest pain for which the diagnosis was delayed for three days.
The scapula was initially reduced by external manipulation, but the dislocation proved to be unstable and required an operative reduction. At the same operation the right thoracotomy defect between the 5th and 6th intercostal spaces was repaired as well.
Scapular dislocation is rare complication [6, 7] following thoracotomy, and there should be a high index of suspicion for investigating and diagnosing this condition when the clinician is presented with pain and asymmetry following the transplantation. History, physical examination, and chest radiography are recommended for patients with pleuritic chest pain .
The chest x-ray appearance of a well demarcated homogenous shadow was confirmed as the dislocated scapula on CT scan reconstruction. Internal scapular dislocation into the thoracic cavity through the defect in thoracotomy incision was a complication presumably occurred in the perioperative period. As the problem presented with a pleuritic chest pain, a common problem encountered after the thoracotomy there was a delay in confirming the correct diagnosis. This adds to the list of complications due to lateral positioning for thoracotomy and post-thoracotomy care that include caval compression, ventilation-perfusion mismatch leading to oxygen desaturation, pressure injuries, muscular and ligamentous sprain, and ocular injuries .
This necessitated him to undergo one more anaesthetic until it was fixed by open reduction and surgical repair of thoracotomy defect. Even though this is a rare complication following thoracotomy, vigilance is advised in patients complaining of persistent chest pain in the absence of other symptoms and signs of respiratory disease.
Written informed consent was obtained from the patient for publication of this case report and accompanying images. A copy of the written consent is available for review by the Editor-in-Chief of this journal.
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