Barradas-Huervo E, Guzmán-Hernández F, Cortez-Betancourt R, Velarde-Carrillo A, Esqueda-Mendoza A, Huante-Pérez A, Téllez SM

Language: Spanish
References: 24
Page: 69-87
PDF size: 176.50 Kb.

ABSTRACT

Introduction: Renal lithiasis is a very common disease, it was described by Hipocrates, it has diverse etiology in which, there are different theories in its formation (saturation, super saturation, nucleation of a crystal, growth of a crystal, epitaxis, matrix, inhibitors of crystallization, epidemiologic aspects and inheritance), as well as of different components (oxalate of calcium, phosphates, magnesium phosphate, uric acid, uratos, cistina and medicines), as well as they are possible to be found in different sites of the urinary tract (renal, to ureter, bladder, and urethra).
Objective: The objective of our work was to evaluate the percentage of liberation of calculi after the surgery, the complications of the procedure, as well as to know the number of days of hospital stay.
Material and methods: 14 files of patients who were programmed for percutaneous nephrolithotomy (PNL), with previous examinations of laboratory and X-rays were reviewed; every patien was given general anesthesia. Before the lithotomy a cistoscopy was made to place a ureteral occluding catheter in the ureteropielic union, the correct positioning of the catheter was confirmed by fluoroscopy control. The patient first placed in position, by fluoroscopy the calyx is identified followed by the formation of the cutaneous tract; the calculi is then localized and fragmented.
Results: The average age was of 42 years, with feminine predominance, the 14 patients were l3 coral form calculi, 6 pyelic and the rest, pyelic and calicial, with size average of 2 to 7 cm in inferior chalice 4 (28.6%), medial chalice 9 (64%), superior chalice 1 (7.1%), the considered surgical time was 147 min, with 2 infectious complications, 1 with sepsis and 1 controlled hemorrhage, leaving free of calculi 100% of the patients.
Conclusions: PNL is a minimally invasive procedure that has demonstrated its advantages by diminishing the surgical time, hospital stay, incorporation to the daily life, in addition to the analgesic requirements and necessity of hemotransfusion.

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