Description

Systemic sclerosis may affect internal organs in addition to the skin. Medsger et al developed severity scales to grade severity of end-organ damage in affected organs. The authors are from multiple universities in North America and Europe.


 

Parameters:

(1) serum creatinine

(2) proteinuria

(3) peristalsis in the esophagus

(4) other changes in the GI tract

 

Renal Severity Scale (RSS)

Serum Creatinine

Proteinuria

RSS Grade

normal

normal

0 (normal)

1.3 to 1.6 mg/dL

2+

1 (mild)

1.7 to 2.9 mg/dL

3 to 4+

2 (moderate)

>= 3.0 mg/dL

NA

3 (severe

dialysis required

NA

4 (endstage)

 

GI Severity Scale (GISS)

 

Esophageal Peristalsis

Other GI Tract Findings

GISS Grade

normal

normal

0 (normal)

decreased

abnormal small bowel series

1 (mild)

aperistalsis

bacterial overgrowth

2 (moderate)

NA

malabsorption andor pseudo-obstruction

3 (severe

NA

hyperalimentation

4 (endstage)

 


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