Docstoc

Lung Transplant

Document Sample
Lung Transplant Powered By Docstoc
					Lung Transplant
Presentation 1
Sir, this patient has a bilateral lung transplant as evidenced by presence of a median
sternotomy scar associated with normal underlying respiratory findings. The patient has a
wrist tag indicating that he is a lung transplant patient. Chest excursion is normal with a
normal percussion note, vesicular breath sounds and vocal resonance. Trachea is central
and apex beat is not displaced.

Hence there are no signs to suggest underlying rejection of the transplanted lung.

Patient’s respiration rate is 14 bpm and there are no sign of respiratory distress or failure.
Peripheral examination was normal. There was no evidence of nicotine staining, clubbing
or short stature.

Patient is not Cushingoid with no steroid purpura or thin skin to suggest chronic steroid
use. There is also no hypertrichosis or gum hypertrophy to suggest cyclosporine adverse
effects.

In summary, this patient has bilateral lung transplant and is clinically well currently. The
likely underlying causes
a. Young patient – Cystic fibrosis, AAT, primary pulmonary hypertension, Eisenmenger
(heart-lung transplant)
b. Old patient – COPD, IPF and bronchiectasis (always bilateral)

Presentation 2
Sir, this patient has a left lung transplant as evidenced by a left lateral thoracotomy scar
with a tag indicating that he is a lung transplant patient. There is reduced chest excursion
bilaterally with normal precussion note. Auscultatory findings include fine late
inspiratory crepitations of the left hemithorax a/w normal vocal resonance, suggesting
bronchiolitis obliterans syndrome post transplant.

Trachea is central and apex beat is not displaced.
There are complications of pulmonary hypertension, cor pulmonale ad polycythaemia.

He is also in respiratory distress with a respiratory rate of 24 bpm with use of accessory
muscles of respiration. Clinically he is in repsiratory failure and is oxygen dependent on
INO2 2L/min; there is no central cyanosis and no signs of CO2 retention such as flapping
tremors of the hands or a bounding pulse.

In terms of aetiology:
Examination of the right hemithorax showed presence of ILD/COPD with features of
    a. fine late inspiratory crepitations which are Velcro-like, clubbing
    b. prolonged expiratory phase with ronch and hyperresonance on percussion of the
       right hemithorax and loss of liver dullness, nicotine staining

Steroid toxicity and cyclosporin toxicity.
In summary, this patient has a left lung transplant for an underlying ILD. There are
complications of pulmonary hypertension and cor pulmonale and is clinically in
respiratory failure. There also signs to suggest bronchiolitis obliterans syndrome with
signs of chronic steroid usage and cyclosporine usage.

Questions
What are the indications for lung transplant?
   Cardiopulmonary
           o Primary pulmonary hypertension
           o Eisenmenger’s (heart-lung transplant)
   Chronic Lung Conditions
           o Restrictive pulmonary disease - ILD
           o Obstructive pulmonary disease – COPD, AAT
           o Suppurative – Bronchiectasis (must be bilateral tplt), Cystic fibrosis
           o Sarcoidosis

What are the contraindications for lung transplant?
   Disease specific guidelines
   Includes
           o Age
           o Comorbidities: Absence of concomitant disease that shortens life
              expectancy (HIV, Hep B)
           o Contraindications to surgery/GA (recent MI)
           o Smoking, alcoholic, poor social support

What are the complications?
   Graft dysfunction (reperfusion edema in the first week)
   Airway complications – dehiscence, stenosis or bronchomalacia
   Rejection
           o Acute – lymphocytic inflammation, adjust steroid and immune
              suppression
           o Chronic – alloimmune inflammatory and non-alloimmune
              fibroproliferative; bronchiolitis obliterans syndrome
   Infection
           o CMV – ganciclovir
           o Aspergillus
           o Bacterial – pneumonia (Ps aeuroginosa)

How would you manage?
   Multidisciplinary, regular follow up, transplant coordinator
   3 drug maintenance
         o Calcineurin inhibitors (Cyclosporin or tacrolimus)
         o Purine synthesis antagonist ( AZA or MMF)
         o Steroid
   CMV and PCP prophylaxis

				
Jun Wang Jun Wang Dr
About Some of Those documents come from internet for research purpose,if you have the copyrights of one of them,tell me by mail vixychina@gmail.com.Thank you!