Actualization of differential diagnosis of chronic pelvic pain syndrome in women of reproductive age
This study found elevated TNF-α and BDNF levels in women with chronic pelvic pain syndrome, correlating with pain intensity and disease duration, suggesting their potential as diagnostic markers.
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The study examined whether blood levels of tumor necrosis factor alpha (TNF-α) and plasma brain-derived neurotrophic factor (BDNF) differ in women of reproductive age with chronic pelvic pain syndrome (CPPS), comparing 150 patients split by clinical suspicion of endometriosis (group A, n=74) versus suspicion of benign proliferative reproductive organ diseases (group B, n=76), against 50 healthy controls. Using immunoassays, the authors found TNF-α and BDNF concentrations were higher in both CPPS groups than in controls, and additionally TNF-α and BDNF were higher in group B than in group A; pain intensity on the VAS correlated positively with TNF-α (moderate) and with BDNF (strong), and these markers also correlated with disease duration. A stated limitation is that the diagnostic grouping was based on clinical suspicion rather than definitive confirmation of the underlying pathology, which may affect interpretation of marker specificity. This paper is centrally about endometriosis — it evaluates TNF-α and BDNF as objective blood markers in CPPS patients with suspected endometriosis versus other benign conditions.
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