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Pattern of urolithiasis in Benin City, Nigeria
Insights
Urinary stone disease is rare in black Africans, affecting 6.3 per 100,000 people. Factors like urinary stasis and infection contribute, with a 10% recurrence rate observed.
Area of Science:
- Urology
- Epidemiology
Background:
- Urinary stone disease, or urolithiasis, prevalence varies globally.
- Data on urolithiasis in black African populations is limited.
Purpose of the Study:
- To determine the frequency and patterns of urinary stone disease in a black African population.
- To identify associated etiological factors and recurrence rates.
Main Methods:
- Retrospective study design.
- Analysis of hospital patient data to identify cases of urinary stone disease.
Main Results:
- Urolithiasis is rare in this population, with a frequency of 6.3 per 100,000 hospital admissions.
- A male to female ratio of 4:1 was observed.
- Urinary stasis and infection were significant associated factors.
- Idiopathic stone disease accounted for 28% of cases.
- The recurrence rate was 10%.
Conclusions:
- Urinary stone disease is uncommon in the studied black African population.
- Urinary stasis and infection are important contributing factors.
- The recurrence rate is comparable to global averages, despite lower prevalence.
Abstract:
A retrospective study was performed to determine the frequency and pattern of urinary stone disease in a black African population. Urolithiasis was found to be a rare condition in the black African occurring with a frequency of 6.3 per 100,000 hospital population, with a male:female ratio of 4:1. Urinary stasis and infection are associated or etiologically related factors in a significant number of patients. Idiopathic stone disease is uncommon (28% of patients). A recurrence rate of 10% is similar to that found in other areas of the world where the disease is more prevalent.