Urology · 2011
Lower urinary tract symptoms and urinary flow rates in female patients with hyperthyroidism.
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Ho Chen-Hsun, Chang Tien-Chun, Guo Ya-Jun, Chen Shyh-Chyan, Yu Hong-Jeng, Huang Kuo-How
Аннотация
OBJECTIVES: To investigate lower urinary tract symptoms (LUTS) and voiding function in a cohort of hyperthyroid women. The autonomic nervous system (ANS) imbalance has been thought to cause LUTS in hyperthyroidism.
METHODS: Between January 2008 and December 2008, 65 newly diagnosed, untreated female hyperthyroid patients were enrolled in this study. Another 62 age-matched healthy women were enrolled as a control group. Demographics, LUTS, urinary flow rates, hyperthyroid symptoms, and serum levels of thyroid hormones were recorded before and after the medical treatment for hyperthyroidism.
RESULTS: Compared with the control group, the hyperthyroid patients had a higher mean symptom score of frequency (1.15 ± 1.75 vs 0.31 ± 1.05, P = .01), incomplete emptying (0.91 ± 1.47 vs 0.29 ± 1.12, P = .02), straining (1.05 ± 0.85 vs 0.27 ± 0.51, P <.01), voiding symptoms (3.05 ± 3.28 vs 1.06 ± 2.63, P <.01), and total symptoms (5.88 ± 6.17 vs 2.76 ± 4.65, P <.01). Fifty-three (81.5%) of them had an IPSS of <8, while only 12 (18.5%) had an International Prostate Symptom Score (IPSS) of ≥8. Hyperthyroid women demonstrated a lower mean peak flow rate (25.0 ± 5.3 vs 28.6 ± 6.1 mL/s, P = .02). After treatment, both LUTS and flow rates improved significantly. The severity of LUTS was associated with neither serum levels of thyroid hormone nor other hyperthyroid symptoms.
CONCLUSIONS: Hyperthyroid women have worse LUTS and lower peak flow rates than healthy controls. However, the severity of LUTS is only mild (IPSS <8) in the majority, and only 18.5% have moderate-to-severe LUTS. Both LUTS and flow rates improve after the treatment for hyperthyroidism. The exact mechanisms of LUTS and/or lower urinary tract dysfunction in hyperthyroidism require further investigation.
METHODS: Between January 2008 and December 2008, 65 newly diagnosed, untreated female hyperthyroid patients were enrolled in this study. Another 62 age-matched healthy women were enrolled as a control group. Demographics, LUTS, urinary flow rates, hyperthyroid symptoms, and serum levels of thyroid hormones were recorded before and after the medical treatment for hyperthyroidism.
RESULTS: Compared with the control group, the hyperthyroid patients had a higher mean symptom score of frequency (1.15 ± 1.75 vs 0.31 ± 1.05, P = .01), incomplete emptying (0.91 ± 1.47 vs 0.29 ± 1.12, P = .02), straining (1.05 ± 0.85 vs 0.27 ± 0.51, P <.01), voiding symptoms (3.05 ± 3.28 vs 1.06 ± 2.63, P <.01), and total symptoms (5.88 ± 6.17 vs 2.76 ± 4.65, P <.01). Fifty-three (81.5%) of them had an IPSS of <8, while only 12 (18.5%) had an International Prostate Symptom Score (IPSS) of ≥8. Hyperthyroid women demonstrated a lower mean peak flow rate (25.0 ± 5.3 vs 28.6 ± 6.1 mL/s, P = .02). After treatment, both LUTS and flow rates improved significantly. The severity of LUTS was associated with neither serum levels of thyroid hormone nor other hyperthyroid symptoms.
CONCLUSIONS: Hyperthyroid women have worse LUTS and lower peak flow rates than healthy controls. However, the severity of LUTS is only mild (IPSS <8) in the majority, and only 18.5% have moderate-to-severe LUTS. Both LUTS and flow rates improve after the treatment for hyperthyroidism. The exact mechanisms of LUTS and/or lower urinary tract dysfunction in hyperthyroidism require further investigation.