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Proteinuria in Sports, Sports Medicine

Mario Gutierrez, MD, Gerardo Vazquez, MD, CAQSM and Justin M. Wright, MD, CAQSM Reviewed 04/2019
 


BASICS

DESCRIPTION

  • Proteinuria is defined as the excretion of >150 mg/day of urinary protein 1.

  • Macroalbuminuria implies a loss of >300 mg/day, microalbuminuria a loss of 30 to 300 mg/day 2.

  • Presen...

DIAGNOSIS

The history and physical are important to differentiate benign and transient exercise-induced proteinuria from pathologic causes of proteinuria. 

HISTORY

  • Exercise type, intensity, and duration

  • ...

TREATMENT

GENERAL MEASURES

  • Exercise-induced proteinuria is transient and self-limited; no specific therapy indicated

  • For underlying renal disease, treatment aimed at specific cause

  • Screening for proteinu...

ONGOING CARE

PROGNOSIS

There is no evidence that suggests these athletes are at increased risk for chronic renal disease or have any reason to limit their physical activity. 

REFERENCES

1
Carroll MF, Temte JL. Proteinuria in adults: a diagnostic approach. Am Fam Physician.  2000;62(6):1333–1340.
2
Shephard RJ. Exercise proteinuria and hematuria: current knowledge and fut...

CLINICAL PEARLS

  • Exercise-induced proteinuria is transient, lasting 24 to 48 hr.

  • Repeat testing in 48 hr after a period of rest to ensure clearance of protein.

  • Persistent proteinuria requires workup for ...

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