Table 2.

Histopathology of rat kidneys

	Group	Tubular necrosis	Tubular dilation	Protein casts	Medullary congestion	Glomerular damage	Interstitial stasis
	1 control	-	-	-	-	-	-
A	2 sham-operated	-	-	-	-	-	+/-
	3 Isc	-	+	+	+/++	-	++
	4 Isc/R	+	++	+++	+	-	+
	5 control	-	-	-	-	-	-
B	6 sham-operated	-	-	-	-	-	+/-
	7 Isc	+	-	+/-	+	+	++
	8 Isc/R	+	+	++	+/+/-	+	+

(A) Autologous blood + O₂

(B) Autologous blood + O₂/O₃