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논문 기본 정보

자료유형
학술저널
저자정보
Victor C. Wakwe (University of Port Harcourt Teaching Hospital) Ehimen. P. Odum (University of Port Harcourt Teaching Hospital) Collins Amadi (University of Port Harcourt Teaching Hospital)
저널정보
대한비뇨기과학회 Investigative and Clinical Urology Investigative and Clinical Urology Vol.60 No.3
발행연도
2019.1
수록면
162 - 168 (7page)

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Purpose: The severity of prostate cancer (PCa), which determines the disease progression, is theorized to be a function of zinc status. Hence, this study was structured to determine the impact of zinc status on the severity and progression of PCa disease. Materials and Methods: This was a descriptive cross-sectional study of 220 histologically-confirmed PCa patients and 220 age-matched controls, conducted prospectively in a Nigerian tertiary hospital. Plasma zinc, prostate-specific antigen, creatinine, fasting glucose, and estimated glomerular filtration rate were determined for both study groups. The International Society of Urological Pathology (ISUP) grades and the American Joint Committee on Cancer clinical staging were employed as indices for PCa severity (grade) and progression (stage) respectively. Results: The PCa patients had markedly reduced plasma zinc status compared to controls (cases: 9.42±3.02 µmol/L versus controls: 15.23±4.47 µmol/L; p<0.001). Low zinc status was more pronounced within the severe grade and advanced PCa disease subgroups (p<0.001). Inverse relationships existed between zinc status and ISUP grades among the entire PCa patient (p<0.001) and the categorized PCa grade and stage subgroups (p<0.001). Low zinc status had significant impact of predicting severe (crude=odds ratio [OR], 8.714; p<0.001; age-adjusted=OR, 11.152; p<0.001) and advanced (crude=OR, 17.160; p<0.001; age-adjusted=OR, 18.927; p<0.001) PCa disease. Conclusions: This study suggests that low plasma zinc status is associated with severe grade and advanced PCa disease. However, further well-designed studies with large sample sizes are warranted to confirm these associations.

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