Concentration of Selected Serum Trace Elements in Male Patients With Diabetic Erectile Dysfunction: A Case-Control
Zhe Yu1, Zhenliang Pan2, Rongbo Cai2
1Reproductive Medicine Center, The Second Affiliated Hospital of Fujian Medical University, Quanzhou, China.
Abstract:
Identifying novel risk factors for erectile dysfunction (ED) is crucial for developing targeted intervention. This study aimed to investigate the potential impacts of serum trace elements (TEs) concentration on the risk of diabetic ED. A retrospective case-control study was conducted involving 51 patients with diabetic ED and 51 control subjects. Serum levels of copper (Cu), zinc (Zn), magnesium (Mg), iron (Fe), and calcium (Ca) were measured using inductively coupled plasma-mass spectrometry (ICP-MS). While most selected TEs showed no significant differences, Cu levels were notably higher in patients with diabetic ED. In addition, the Cu/Zn ratio (CZr) was significantly elevated in the diabetic ED group compared to controls (1.3 vs. 1.2 mg/L, p < .001), reflecting its potential relevance to oxidative stress. Receiver operating characteristic curve analysis revealed that CZr exhibited better diagnostic performance for ED than the single parameter. These findings suggest disruptions in Cu homeostasis and a high probability of elevated CZr in diabetic ED. Further studies are warranted to validate our findings and elucidate the underlying mechanisms.
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