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Procalcitonin in the setting of complicated postoperative course after liver transplantation.

Abstract：

BACKGROUND:Orthotopic liver transplantation (OLT) is a treatment for end-stage liver disease. The shortage of available organs leads to the acceptance of marginal grafts, thereby increasing the risk of perioperative complications such as acute rejection, infection, and graft dysfunction Procalcitonin (PCT) has been shown to be a reliable marker for a complicated course after traumatic injury as well as in the courses of systemic inflammatory response syndrome and sepsis. The aim of our study was to evaluate PCT as an early prognostic marker for the occurrence of complication during the postoperative course after OLT. METHOD:We analyzed PCT levels and clinical and paraclinical data of 32 patients who underwent 33 OLTs. The highest PCT was termed as peak-PCT. Patients were stratified into noncomplication and complication groups. Renal replacement therapy, respiratory insufficiency, postoperative bleeding, refractory ascites, pleural effusion, rejection, sepsis, and fatal outcome were defined as complications. A secondary stratification, using a peak-PCT of 5 ng/mL, was used to analyzed the risk of a complication. We also analyzed the course of PCT after OLT in each group. RESULTS:The peak-PCT, which occurred between the first and third postoperative day in 30 patients, was followed by halving of the value every second day. Three subjects died because of sepsis. A constantly rising PCT or a secondary rise observed in 2 patients was associated with a fatal outcome. The noncomplication group included 18 patients, 8 of them showing a peakPCT <5 ng/mL and 10 above. The complication group included 14 patients who underwent 15 transplantations; Only 1 displayed a peakPCT <5 ng/mL. When the peak-PCT was >5 ng/mL, the odds ratio of a complication was 11.2 (95% Confidence interval, 10.81-11.59; P < .025). However, not before the 7th postoperative day was the course of mean PCT levels significantly different between the complication and noncomplication groups. In transplant patients, an elevation of PCT was observed only in the presence of bacterial infection and not rejection or wound infection. PCT rose during respiratory failure and sepsis, but not renal replacement therapy, ascites, pleural effusion, rejection, or bleeding. CONCLUSION:PCT was a reliable marker. A decline was observed in 31 cases with subject, who both had fatal outcomes showing a constantly rising level. An initial high PCT indicated a poor prognosis; some members of the noncomplication group also had levels >15 ng/mL. The patients in the complication group showed a higher mean PCT, which was significant at 7 days, most probably because of the high variation among levels. Still, a peak-PCT >5 ng/mL showed an odds ratio of 11.2 for patients to experience a complication.

journal_name

Transplant Proc

journal_title

Transplantation proceedings

authors

Perrakis A,Yedibela S,Schellerer V,Hohenberger W,Müller V

doi

10.1016/j.transproceed.2010.08.070

subject

Has Abstract

pub_date

2010-12-01 00:00:00

pages

4187-90

issue

eissn

0041-1345

issn

1873-2623

pii

S0041-1345(10)01372-2

journal_volume

pub_type

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Procalcitonin in the setting of complicated postoperative course after liver transplantation.