Lung Transplantation Flashcards

1
Q

For a single lung transplant, what is the incision used

A

Thoracotomy incision

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2
Q

What are 4 main diseases that lung transplantation has been successful in treating

A

Idiopathic pulmonary hypertension
Emphysema caused by alpha 1 anti-trypsin deficiency
idiopathic pulmonary fibrosis
Cystic fibrosis

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3
Q

What is the average waiting time to transplantation

A

18 months

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4
Q

What are 7 contraindications to lung transplantation

A
Hepatic disease
Renal disease 
Aspergilloma 
Uncontrolled infection
Malignancy 
inability to adhere to a complex treatment regime
Poor nutritional status
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5
Q

Infection of what organism is cystic fibrosis is now a contraindication of lung transplantation

A

Burkholderia cenocepacia

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6
Q

What may occur in the first few days post-transplantation

A

re-implantation injury

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7
Q

What are post-operative surgical complications

A

Haemorrhage and dehiscence of the anastomosis

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8
Q

Why are prophylactic antibiotics given

A

To counter donor-acquired infection

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9
Q

What is needed to prevent rejection of the donor lungs

A

Immunosuppression

Combination of ciclosporin, azathioprine and corticosteroids

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10
Q

What might be given in the first few days to suppress T cell function

A

Anti-thymocyte globulin

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11
Q

What 2 things are patients at risk from after transplant

A

Rejection and infection

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12
Q

How does rejection and infection present

A
Malaise 
pyrexia
infiltrates
impaired oxygenation 
reduced lung function
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13
Q

What is the key investigation in identifying rejection of the donor lung and infection

A

Bronchoscopy with bronchoalveolar lavage and transbronchial biopsy

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14
Q

How are episodes of acute rejection treated

A

By intesification of immunosuppression

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15
Q

What is the most important complication threatening the long-term survival of patients after transplant?

A

Bronchiolitis obliterans syndrome

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16
Q

What does Bronchiolitis obliterans syndrome result from

A

chronic rejection of the donor lungs

17
Q

What is Bronchiolitis obliterans syndrome characterised by

A

progressive airways obstruction as a result of obliteration of the bronchioles by organising fibrosis

18
Q

What GI problem are transplant patients vulnerable to?

A

Reflux and gastric aspiration

19
Q

What is the 1 year survival rate post lung transplantation

A

80%

20
Q

What are the main two problems encountered when overcoming lung transplantation

A

Shortage of donor organs

Occurrence of obliterative bronchiolitis

21
Q

What is involved in re-conditioning

A

The explanted organs are placed in a chamber connected to a heart by pass machine and then treated with nutrient rich solution to allow damaged cell to repair

22
Q

What is the survival rate after transplantation at 5 years

A

55%