2022, Number 1
Behavior of residual lithiasis in patients treated with percutaneous nephrolithotomy due to coralliform kidney stone
Language: Spanish
References: 25
Page: 49-61
PDF size: 373.90 Kb.
ABSTRACT
Introduction: Residual urinary lithiasis, after percutaneous nephrolithotomy, can generate recurrence of the disease.Objective: Describe the evolution of patients with residual lithiasis after percutaneous nephrolithotomy due to coralliform lithiasis.v Methods: A descriptive, longitudinal and prospective study was conducted in 191 patients operated on by percutaneous nephrolithotomy with rigid instruments and pneumatic lithotritor, in the Lithotripsy and Endourology Unit of “Hermanos Ameijeiras” Hospital, between August 2005 and January 2010. Patients with residual lithiasis were followed until December 2020. The variables considered were: sex, age, type of coralliform treated, residual lithiasis, recurrence, its characteristics, complications, need and type of treatment. Absolute, relative and mean frequencies were found.
Results: 33 patients (17.3 %) presented residual lithiasis; of these, 63.6% had been treated for total coralliform and 45.5% had follow-up for 62 months. Residual lithiasis predominated between 7 and 9 mm in the lower and single calyx. Recurrence occurred in 99.3%, and it was of renal localization (80%), which manifested as urinary tract infection in 46.6%. Recurrent lithiasis required nephrectomy treatment in 26.6% of cases, and 46.6% of patients progressed with kidney damage.
Conclusions: It is essential to apply a therapeutic strategy that minimizes the rate of residual lithiasis after percutaneous nephrolithotomy of coralliform lithiasis to prevent its negative impact on the recurrence of the disease, the need for new treatments and damage of renal function.
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