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Articles by J Kunde
Total Records ( 2 ) for J Kunde
  Q. A Truong , E Siegel , M Karakas , J. L Januzzi , F Bamberg , A. A Mahabadi , S Dasdemir , T. J Brady , A Bergmann , J Kunde , J. T Nagurney , U Hoffmann and W. Koenig

Background: Stress myocyte biomarkers are used prognostically in patients with cardiovascular disease. We examined associations between amino-terminal pro–B-type natriuretic peptide (NT-proBNP), midregional pro–A-type natriuretic peptide (MR-proANP), and midregional proadrenomedullin (MR-proADM) concentrations and cardiac chamber volumes in chest pain patients without heart failure by use of computed tomography (CT).

Methods: At the time of 64-slice CT scan, we acquired plasma and serum samples for these biomarkers from 346 patients [mean (SD) age 53 (12) years, 65% men]. Left atrial volume (LAV) and left ventricular volumes at end-diastole (LVEDV) and end-systole (LVESV) were measured and indexed to body surface area (LAVI, LVEDI, LVESI).

Results: Concentrations of both natriuretic peptides were correlated with LAV and LAVI (r = 0.19–0.32, all P ≤ 0.0005) and MR-proADM with LV volumes and indices (r = –0.14 to –0.21, all P ≤ 0.01). NT-proBNP and MR-proANP concentrations were higher in the top quartiles of patients than the lowest quartiles using LAV and LAVI, whereas MR-proADM concentrations were lower in the top quartiles of LV measures. In adjusted analyses, patients had 2- to 4-fold increased risk of LA enlargement for every incremental increase in log10NT-proBNP [LAV odds ratio (OR) 2.4, P = 0.03; LAVI OR 4.0, P = 0.003] and 10- to 13-fold increased risk of LA enlargement for every incremental increase in log10MR-proANP (LAV OR 10.7, P = 0.009; LAVI OR 13.1, P = 0.004).

Conclusions: In patients without heart failure, both NT-proBNP and MR-proANP concentrations are independently associated with LA enlargement, whereas MR-proADM concentrations are correlated with LV volumes. This may partially explain the well-recognized value of natriuretic peptides for use in risk stratification.

  S Kruger , S Ewig , J Kunde , A Hanschmann , R Marre , N Suttorp , T Welte and on behalf of the CAPNETZ study group

Recently, C-terminal provasopressin (copeptin) turned out to be predictive for mortality in community-acquired pneumonia (CAP). The aim of this study was to evaluate the influence of antibiotic pre-treatment on copeptin levels in CAP.


We enrolled 370 hospitalized patients (66 ± 17 years; 42% females) with proven CAP. Venous blood samples were collected at the time of inclusion into the study and as soon as possible after the diagnosis of CAP. Copeptin (B.R.A.H.M.S. AG, Henningsdorf, Germany) levels were determined in venous blood on admission.


Eighty-five patients had antibiotic pre-treatment and 285 patients did not. Copeptin levels increased with increasing severity of CAP in patients without antibiotic pre-treatment but not in patients with antibiotic pre-treatment. Patients with prior antibiotic treatment showed significantly lower levels of copeptin [median (interquartile range): 12.8 (5.3–22.6) versus 20.8 (11.1–37.8) pmol/L, P < 0.0001] and procalcitonin [0.15 (0.07–0.38) versus 0.27 (0.10–1.52) ng/mL, P = 0.0003], but not C-reactive protein [113 (46–229) versus 122 (49–231) mg/mL, not significant] and leucocytes [12.2x103 (8.1x103–15.4x103) versus 12.5x103 (9.4x103–16.3x103) cells/mm3, not significant] compared with those without antibiotic pre-treatment.


Copeptin serum levels are higher in patients without antibiotic pre-treatment compared with those with antibiotic pre-treatment. Copeptin serum levels increase with an increasing severity of CAP in patients without, but not in patients with, antibiotic pre-treatment. Thus, antibiotic pre-treatment has to be taken into account for the correct interpretation of copeptin levels in CAP.

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