Respiratory Flashcards

1
Q

What is a contraindication for having a single lung transpant

A

Cystic fibrosis

Due to colonisation of infection

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2
Q

What is has good short term survival for SLTx but better long term outcomes for BSLTx

A

Idiopathic pulmonary fibrosis

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3
Q

Mortality for lung transplant

A

6-9 years

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4
Q

What is the upper limit of weight for lung transplantation

A

BMI 30

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5
Q

What are the pros vs cons of tacro vs cyclosporine

A

Tacro has lower rates of rejection
Tacro has higher rates of diabetes mellitus
Cyclosplorin has higher rates of hypertension

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6
Q

Tacro dose aims post transplant

A

0-6 mo - 10 to 12
6-12 mo - 8-10
12 mo onwards - 5-8

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7
Q

M-Tor inhibitors main side effect

A

Impaired wound healing

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8
Q

Basiliximab MOA

A

CD25 inhibiting monoclonal antibody - surface receptor on T cells

Calcineurin inhibitor sparing

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9
Q

PJP assays

A

PCR

Beta-D-glucan assay

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10
Q

Diagnosis of PJP and treamtnet

A

Clinical suspicion but can also do sputum/BAL/biopsy

Full dose bactrim
Clinda + primaquine, IV pentamadine

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11
Q

Aside from PJP, what else does bactrim prophylax against

A

Toxoplasmosis

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12
Q

Window of best lung function post lung transplant

A

9-12 months

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13
Q

Purpose of azithromycin 3 times a week for acute cellular rejection

A

Immunomodulatory proporties

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14
Q

What is an immunological marker on histology for antibody mediated rejection

A

Cd4 staining (for complement pathway)

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15
Q

What are the factors that determine staging of antibody mediated rejection

A

Circulating DSAs
C4d+ staining no graft dysfuncton or capillary injury

(see slides)

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16
Q

What is CLAD

A

Chronic lung allographt dysfunction
Due to repeated episodes of rejection

Persistent decline of >20% oFEV1 from baseline for more than 3 months

Need HRCT with inspiratory and expiratory

2 syndromes:
BOS - obstruction
RAS - restriction

Staging dependent on lung function

17
Q

Why are lung transplant patients on prophylaxis PPI

A

To prevent microaspiration