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  • Title: Dialytic treatment of rhabdomyolysis-induced acute renal failure: our experience.
    Author: Splendiani G, Mazzarella V, Cipriani S, Pollicita S, Rodio F, Casciani CU.
    Journal: Ren Fail; 2001 Mar; 23(2):183-91. PubMed ID: 11417950.
    Abstract:
    Acute renal failure is the most common complication of rhabdomyolysis, with an 8-20% reported incidence. In particular, rhabdomyolysis associated with acute renal failure is frequently observed in critically ill patients, with a 6-16% reported incidence in Intensive Care Units. Dialytic treatment is necessary to correct hydroelectrolytic imbalance and renal function alterations and it may be a pathogenetic therapy by myoglobin removal. In the present study we evaluated our experience on patients suffering from rhabdomyolysis and acute renal failure subjected to dialytic treatment. We retrospectively studied 28 patients, 17 admitted in our Intensive Care Unit (ICU-patients) and treated by continuous renal replacement therapy (particularly by continuous venovenous hemofiltration, continuous venovenous hemodialysis and continuous venovenous hemodiafiltration) and 11 admitted in our Nephrology Department (NICU-patients) and treated by high-efficiency daily hemodialysis. We excluded one ICU-patient from the study because she was affected with lung end-stage neoplasia and it would have been difficult to evaluate the effects of the dialytic treatment on RML biochemical index and on her final outcome. ICU-patients were older, with a mean age of 64 +/- 10 yrs, and were suffering from MODS and typical elderly diseases, such as cardiac and respiratory chronic failure, except from 3 patients with acute liver failure resulting from poisoning, who were relatively younger. In NICU-patients, instead, the mean age was 36 +/- 16 yrs and the causes of RML were narcotic drugs abuse, repetitive seizures and vigorous exercise, more frequently observed in young people. In three relatively older NICU-patients RML was due to lipid lowering drugs assumption. Before starting the dialytic treatment, in ICU-patients CPK plasma level was 2615 +/- 3586, while K+ was 5.10 +/- 1.08 and sCr was 5.69 +/- 4.06 In NICU-patients, on the other hand, CPK was 14273 +/- 9266, while K+ was 5.75 +/- 0.92 and sCr was 5.9 +/- 0.4. ICU-patients mortality rate was 50% (8/16 patients) in spite of the good recovery of renal function and the biochemical RML indexes improvement. In NICU-patients, instead, only one patient died for septic complications (he was a heroin-addict and suffered from overdose syndrome). Early dialytic treatment of RML allows not only to avoid life-threatening complications (first of all the acute renal failure) but moreover it's a pathogenetic treatment because it removes great amount of myoglobin from the plasma. Beside this, continuous renal replacement therapy allows a successful management of critically ill patients with severe hemodynamic conditions. Nevertheless, the final outcome may be very different between ICU- and NICU-patients, with a higher mortality rate in ICU-patients, suffering from MODS.
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