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Analysis of urinary stones by infrared spectrophotometry in patients nephrolithiasis in the center of Algiers

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Analysis of urinary stones by infrared spectrophotometry in patients lithiasis of the center of Algiers.

 

Background: Algeria has probably one of the highest incidences of renal stone disease.

 

Objective: The study aimed to qualitatively analyze the urolithiasis in algiers population and evaluate the predominant constituent present in them.

 

Materials & Methods:

 The study included 215 urolithiasis obtained by surgical intervention of Urolithiasis patients presenting to central hospital in Algiers. [Mean age: 41.3 years (range: 18-74 years) ; (they were 133 men and 82 women)]. Levies have been subject of a morpho-constitutional analysis with infrared spectroscopy analysis to determine, respectively, the morphological type and molecular composition of each calculation. The technique was carried out on a spectrophotometer "Spectrum BX" in Fourier transform (FTIR). Lithiasis were analyzed as solid KBr pellets and prepared using a hydraulic press.

 

Results: Males were more prone to renal stone disease (M:F is 2.7:1) and mostly affected the working age group. Endoscopic treatment by ureteroscopy was the method of extraction of stones. We have observed a predominance of the urolithiasis in male patients. The analysis of the composition of the stones has shown that mixed forms formed the majority in 2/3 of cases is: 66.6%. The stones contained oxalate and calcium in 85.5 % of cases. This was followed by uric acid (15%), Carbapatite in 02 cases and carbapatite + struvite in 15% of cases. The results of the study indicated that transmission FT-IR spectroscopy could be used as an environmentally friendly technique for rapid screening of kidney stones.

 

Conclusion: As in most of our regions them to be (West, South and East), calcium oxalate was the main component of most lithiasis. It is also apparent that analysis of the data urolithiasis in our country has a tendency to move in the same direction as that of industrialized countries.

 

 

 

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