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A case of invasive A case of invasive aspergillosis aspergillosis
in a lung transplant patientin a lung transplant patient
Dr. Dino Dr. Dino SgarabottoSgarabotto
Transplant ID UnitTransplant ID Unit
Padova General Padova General HospitalHospital
ItalyItaly
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Cystic fibrosis Pancreatic insufficiencyInsulin-dependent diabetes mellitus Bilateral lung transplant (2008)
>> cyclosporine and steroids
HypertensionMild renal impairment
AC, 35 years oldAC, 35 years old
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20092009: Invasive aspergillosis involving:
brain, lung and mitral valve,Treated with Caspofungin and Voriconazole for 60 days Voriconazole 200 mg bid for 16 months No surgery Sensitivity testing not done
Clinical HistoryClinical History
[>> Urine culture grew Aspergillus sp., so he received a longer treatment with caspofungin]
September 2010September 2010:Pneumocystis carinii pneumonia: ICU admission
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The patient suffered from fever and urine retention.Treated unsuccessfully with ciprofloxacin. Persistence of 39°C intermittent fever every 3 days: new hospitalization
December 2010December 2010
Blood and urine culture: negativeBlood and urine culture: negative
WBC: normal; anemiaWBC: normal; anemia
CRP: 128 mg/dLCRP: 128 mg/dL
PSA: normalPSA: normal
Creatinine: 132 mmol/LCreatinine: 132 mmol/L
Chest X-Ray: negativeChest X-Ray: negative
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December 2010December 2010
Transrectal US: small prostatic abscesssmall prostatic abscess
Cultures from post-prostatic massage fluid: Aspergillus sppAspergillus spp..
Abdomen US: 4.5 cm mass on the left upper 4.5 cm mass on the left upper kidneykidney
Chest CT scan, echocardiography and cerebral MRI : Chest CT scan, echocardiography and cerebral MRI : unremarkable. unremarkable.
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Abdomen MRIAbdomen MRI
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Abdomen MRIAbdomen MRI
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DiagnosisDiagnosis
AspergillusAspergillus prostatic prostatic abscessabscess
…plus….
1.1. PTLDPTLD
2.2. Renal cancerRenal cancer
3.3. AspergillomaAspergilloma
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PET-CT scanPET-CT scan
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The patient was restarted on voriconazole/caspofungin
3 weeks later
fever unchanged, CRP 110 mg/dL and voriconazole trough level 3.2 ug/dL
Patient treatment Patient treatment hystoryhystory
Therapy was switched to Liposomal Amphotericin B 3mg/Kg/daily
quick (1 day) disappearance of fever,CRP normalization,
new culture of post-prostatic massage fluid: negative
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Clinical case: March 2011… no fever, Clinical case: March 2011… no fever, but…but…
0
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days
crea
tin
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mm
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surgical enucleation
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CultureCultures:s:
Surgical enucleationSurgical enucleation
Hystology: Hystology: aspergillomaaspergilloma
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Follow up: May-July 2011Follow up: May-July 2011
US scan: no recrudescenceUS scan: no recrudescence No feverNo fever
…but..
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crea
tin
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/dL
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STOPSTOPLAmb 3 mg/kg/die
LAmb 3 mg/kg/die
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Lung transplant recipients are at high risk of invasive Aspergillosis.
However, isolated urinary involvement of invasive aspergillosis is uncommon and its
treatment is very controversial.
Conclusions (1)Conclusions (1)
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• We observed the development of microbiological resistance to Voriconazole and pharmacokinetic/clinical inefficacy of Caspofungin.
•Voriconazole-resistant Aspergillus is a new problem
• Efficacy of LAmB… …but hard management because nefrotoxicity
and concomitant use of Cyclosporine
Conclusions (2)Conclusions (2)
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• In invasive aspergillosis: LAmB effectiveness only if combined to surgery?• Is there a genetic predisposition for invasive aspergillosis or are there other still unknown risk factors?• How can we manage antifungal secondary prophylaxis in this patient?• Secondary prophylaxis with iv Ambisome is not yet defined:
•3 mg/kg/daily 2 weeks a month? •5 mk/Kg twice a week?•10 mg/Kg/weekly? How long???
Further questions Further questions