Abstract
Objective To analyze the age distribution and stone composition of female patients with urinary calculi, and to provide the direction and ideas for clinical treatment. Methods 198 patients with urinary calculi were selected.The age, stone parts of patients were recorded, the stone composition was analyzed. Results In this study, there were 198 female patients with urinary calculi, 2 cases≤25 years old, accounting for 1.01%, 20 patients >25~45 years, accounting for 10.10%, 109 patients >45~65 years, accounting for 55.05 %, >65 years old patients in 67 cases, accounting for 33.84%.The main components of calcium stones were calcium carbonate components, carbonated apatite components, magnesium hexahydrate phosphate components, uric acid components, cystine components.The calcium oxalate composition stone in 158 cases, accounting for 79.80%.There were 135 cases (68.18%) of carbonate-containing apatite.8 cases of magnesium sulfate hexahydrate, accounting for 4.04%.40 cases of uric acid-containing stones, accounting for 20.20%.12 cases of cystic acid containing stones, accounting for 6.06%.198 female cases with stones were divided into mixed stones and simple stones.The mixed stones were mainly calcium oxalate + carbonate apatite, calcium oxalate + urate, calcium oxalate + cystine, carbonate apatite + magnesium phosphate hexahydrate, calcium oxalate + carbonated apatite + uric acid, calcium oxalate + carbonate apatite + cystine, carbonate apatite + magnesium phosphate hexahydrate + uric acid) .The simple stones were mainly calcium oxalate, carbonated apatite, uric acid and uric acid.According to the main components of the stone, they were divided into 131 cases of calcium oxalate, uric acid-based 23 cases, cystine-based 8 cases, 21 cases of carbonate apatite, magnesium phosphate hexahydrate mainly in 15 cases.According to the position of urinary tract stones, they were divided into upper urinary tract stones in 171 cases, 27 cases of lower urinary tract stones. Conclusion Female urinary tract stones in patients with high incidence in postmenopausal and old age, according to different components of stones should avoid the relevant dietary intake in order to avoid recurrence. Key words: Urinary calculi; Age distribution; Principal component analysis; Female
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