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2017 ; 13
(1
): 76
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Evaluation of biomarker canine-prostate specific arginine esterase (CPSE) for the
diagnosis of benign prostatic hyperplasia
#MMPMID28335775
Pinheiro D
; Machado J
; Viegas C
; Baptista C
; Bastos E
; Magalhães J
; Pires MA
; Cardoso L
; Martins-Bessa A
BMC Vet Res
2017[Mar]; 13
(1
): 76
PMID28335775
show ga
BACKGROUND: Benign prostatic hyperplasia (BPH) is the most common canine
prostatic disorder. Although most or even all intact male dogs may develop BPH by
5-8 years of age, many show no clinical signs. Taking into account the
non-specific character of clinical and ultrasonographic findings, a new
diagnostic approach has recently been proposed based on the augmentation of blood
canine prostate-specific arginine esterase (CPSE) in hyperplasic dogs. The aim of
the present study was to verify CPSE levels in negative controls and hyperplasic
dogs, considering cytological findings as the reference method and taking into
account the fact that controls were middle-aged intact dogs (median of
5.0 years), contrarily to previous studies carried out with very young control
dogs. RESULTS: Significant differences of median CPSE levels were found between
controls and hyperplasic dogs (29.1 versus 160.7 ng/mL, respectively); and
significant positive correlations were found between median CPSE levels and age
or prostatic volume (r?=?0.549 and 0.448, respectively; p?0.001). Sensitivity,
specificity, positive and negative likelihood ratios put into evidence the good
performance of the test. The agreement between methods was found to be very high,
notably between CPSE levels and cytological results (Cohen's kappa coefficients
above 0.8). CONCLUSIONS: Considering the results all together, measurement of
CPSE is confirmed as a useful and accurate method and should be considered as an
alternative or complementary tool to conventional methods for the diagnosis of
BPH in middle-aged dogs.