Actas urologicas espanolas · 2025
Infrared spectroscopic analysis of urinary stone composition.
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Han X, Zhang Z, Yao P, Yang X
Аннотация
OBJECTIVE: To assess the composition of urinary stones in Lanzhou area and provide a reference basis for its clinical prevention and treatment.
METHODS: A total of 1284 patients with urinary stones were included in the study. The differences in the distribution of stone components among different genders and ages were then analyzed.
RESULTS: The overall male-to-female ratio of the cases was 3.2:1. The average age of the patients was 45.1 ± 14.0 years old. The ratio between upper and lower urinary tract stones was 7.13:1. Mixed stone composition accounted for the majority, 79.0% (1014/1284), with calcium oxalate monohydrate + calcium oxalate dihydrate + carbonate apatite being the most prevalent at 35% (449/1284), and calcium oxalate monohydrate stones being the most prevalent of the single components at 17.8% (228/1284). Apatite carbonate 62.2% (191/307) and magnesium ammonium phosphate hexahydrate 9.8% (30/307) were significantly higher in female patients compared to apatite carbonate 55.2% (539/977) and 2.8% (27/977) in male patients. Calcium oxalate was significantly more prevalent in patients aged 18-60 years than in patients <18 and ≥60 years. The proportion of patients over the age of 60 with urinary stones (10.4%) was significantly higher than patients in other age groups.
CONCLUSION: Urological stones in Lanzhou area are mainly of mixed type, calcium oxalate monohydrate + calcium oxalate dihydrate + carbonate apatite is the most; with the increase of patient's age, the proportion of uric acid stones increases; the distribution of urinary stone components has significant differences with different genders of patients and different age groups, which is of great significance for clinical prevention and treatment.
METHODS: A total of 1284 patients with urinary stones were included in the study. The differences in the distribution of stone components among different genders and ages were then analyzed.
RESULTS: The overall male-to-female ratio of the cases was 3.2:1. The average age of the patients was 45.1 ± 14.0 years old. The ratio between upper and lower urinary tract stones was 7.13:1. Mixed stone composition accounted for the majority, 79.0% (1014/1284), with calcium oxalate monohydrate + calcium oxalate dihydrate + carbonate apatite being the most prevalent at 35% (449/1284), and calcium oxalate monohydrate stones being the most prevalent of the single components at 17.8% (228/1284). Apatite carbonate 62.2% (191/307) and magnesium ammonium phosphate hexahydrate 9.8% (30/307) were significantly higher in female patients compared to apatite carbonate 55.2% (539/977) and 2.8% (27/977) in male patients. Calcium oxalate was significantly more prevalent in patients aged 18-60 years than in patients <18 and ≥60 years. The proportion of patients over the age of 60 with urinary stones (10.4%) was significantly higher than patients in other age groups.
CONCLUSION: Urological stones in Lanzhou area are mainly of mixed type, calcium oxalate monohydrate + calcium oxalate dihydrate + carbonate apatite is the most; with the increase of patient's age, the proportion of uric acid stones increases; the distribution of urinary stone components has significant differences with different genders of patients and different age groups, which is of great significance for clinical prevention and treatment.