Exploring kidney biopsy findings in congenital heart diseases: Insights beyond cyanotic nephropathy

Table 2 Baseline and clinical characteristics

Variables prior to performing the renal biopsy	Results, n = 10
Serum creatinine (mg/dL)	2.17 ± 1.88
Pre-biopsy BUN (mg/dL)	37.25 ± 4.74
Proteinuria prior to biopsy (mg/24 h)	6193.00 ± 6165.00
Hemoglobin (g/dL)	14.10 ± 3.76
Hematocrit (%)	43.90 ± 12.96
Hematuria	2 (20%)
Platelets × 109/L	281.00 ± 78.15
Skin-kidney distance (cm)	2.100 ± 0.264
Renal length (cm)	9.160 ± 1.011
Renal width (cm)	3.86 ± 0.64
Lobulated borders	6 (60%)
Ratio Cortex Medulla preserved	2 (20%)
Transverse biopsy technique	10 (100%)
Insufficient sample	4 (40%)
Number passes	1
Glomeruli	13.00 ± 6.55
Intersticial fibrosis (%)	46.67 (45.00-50.00)
Complications	3 (30%)

BUN: Blood urea nitrogen.