Description

Patients with multiple myeloma may present with or develop renal failure during the course of their disease. A patient who responds to therapy and shows reversal of the renal failure has a better prognosis than one who does not. The authors are from the University of Barcelona in Spain.


 

Parameters associated with reversibility of renal failure:

(1) degree of renal failure

(2) hypercalcemia

(3) level of proteinuria

 

Factors associated with reversible renal failure:

(1) lower serum creatinine (< 354 µmol/L), indicating mild renal failure

(2) presence of hypercalcemia (>= 2.88 mmol/L)

(3) low urine protein (< 1 gram per 24 hours)

 

Parameter

Relative Risk for Reversible Renal Failure

95% Confidence Interval

p value

serum creatinine < 354 µmol/L

7.5

2 to 28

0.001

serum calcium >= 2.88 mmol/L

3.27

1.1 to 9.3

0.02

urine protein < 1 gram per 24 hours

2.78

1.09 to 7.08

0.02

from Table 2, page 1892

 

Parameters associated with survival after the onset of renal failure:

(1) response to chemotherapy

(2) degree of renal failure

 

Factors associated with poor survival:

(1) irreversible renal failure (mean survival 28.3 months if reversible; only 3.8 months

(2) treatment failure

Renal Failure

Mean Survival

5 Year Survival Rate

reversible

28.3 months

23%

irreversible

3.8 months

8%

from Figure 2, page 1892

 


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