Pyonéphrose à l’Hôpital Somine Dolo de Mopti: Pyonephrosis at Somine Dolo hospital,Mopti

2021 
RESUME Introduction. La pyonephrose est la presence d’une collection purulente dans les cavites renales dilatees avec destruction partielle ou totale du parenchyme renal associee a une peri nephrite importante. Notre objectif etait d’etudier les aspects epidemiologique, diagnostique et therapeutique des pyonephroses dans notre structure. Patients et methodes. Il s’agissait d’une etude retrospective descriptive portant sur les cas de pyonephroses pris en charge dans notre structure entre Janvier 2012 et Decembre 2020. Resultats. Nous avons pris en charge 44 cas de pyonephroses. L’âge moyen etait de 46,26 ± 12 ans. Le sex ratio etait de 1,28. Les principaux motifs de consultation ont ete la douleur lombo-abdominale, les troubles de la miction et la pyurie avec respectivement 40,91%, 25% et 18,18%. La fievre (43,18%) et la perception de masse abdomino-lombaire (25%) etaient les signes les plus frequents a l’examen physique. Les examens d’imagerie ont permis de poser le diagnostic d’une pyonephrose gauche dans 59,09% (n=26) et droite dans 40,91% (n=18). Les causes de l’obstruction etaient dominees par les lithiases urinaires a 45,45% et la stenose des bas ureteres a 38,64% (n= 17). Le traitement a consiste en une nephrectomie dans 93,18% (n=41). Cette nephrectomie a ete precedee d’une nephrostomie per cutanee dans 31,82% (n=14). Les bacteries isolees etaient des enterobacteries dominees par Escherichia Coli. Conclusion. La pyonephrose est une affection grave caracterisee par le retard de diagnostic dans notre contexte. Aucun rein n’a pu etre sauve, le diagnostic etant fait a la phase de fonte purulente du rein. ABSTRACTIntroduction. Pyonephrosis is the presence of a purulent collection in the dilated renal cavities with partial or total destruction of the renal parenchyma associated with significant periphritis. Our goal was to study the epidemiological, diagnostic and therapeutic aspects of pyonephrosis in our structure. Patients and methods. This was a descriptive retrospective study of pyonephrosis cases managed in our structure between January 2012 and December 2020. Results. We managed 44 cases of pyonephrosis. The median age was 46.26±12 years. The sex ratio was 1.28. The main reasons for consultation were abdominal flank pain, urination disorders and pyuria with 40.91%, 25% and 18.18% respectively. Fever, 43.18% and abdomino-lumbar mass perception, 25% were the most frequent signs on physical examination. Imaging tests diagnosed 59.09% (n=26) left pyonephrosis and 40.91% (n=18) right pyonephrosis. The causes of obstruction were dominated by urinary lithiasis 45.45% and stenosis of the lower ureters 38.64% (n = 17). Treatment consisted of a nephrectomy in 93.18% (n=41). This nephrectomy was preceded by a percutaneous nephrostomy in 31.82% (n=14). The isolated bacteria were enterobacteria dominated by Escherichia Coli. Conclusion. Pyonephrosis is a serious condition characterized by delayed diagnosis in our context. No kidney could be saved the diagnosis being made at the purulent melting phase of the kidney.
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