Table 2 Histopathological evaluation (hematoxylin-eosin staining).
From: Outcomes of ureteroscopy miniaturization on tissue damage and tissue hypoxia in a pig model
Absent | Focal | Diffuse | Severe | L | Wil.+ | Effect size | |||
|---|---|---|---|---|---|---|---|---|---|
n (%) | n (%) | n (%) | n (%) | C | 95% CI | ||||
EPITHELIUM | |||||||||
Ureteral desquamation | |||||||||
Prox. u. | URS | 3 (21.4) | 11 (78.6) | 0 | 0 | 1 | 55** | 0.8 | (0.5; 0.9) |
m-URS | 3 (21.4) | 11 (78.6) | 0 | 0 | 2 | 24.5 | 0.3 | (0.0; 0.6) | |
Distal u. | URS | 0 | 4 (28.6) | 5 (35.7) | 5 (35.7) | 3 | 0** | −0.5 | (−0.8; −0.1) |
m-URS | 1 (7.1) | 10 (71.4) | 2 (14.3) | 1 (7.1) | 4 | 0** | −0.5 | (−0.8; −0.1) | |
LAMINA PROPRIA | |||||||||
Ureteral edema | |||||||||
Prox. u. | URS | 4 (28.6) | 8 (57.1) | 2 (14.3) | 0 | 1 | 45.5 | 0.2 | (−0.2; 0.6) |
m-URS | 3 (21.4) | 8 (57.1) | 3 (21.4) | 0 | 2 | 27.5 | 0.0 | (−0.4; 0.4) | |
Distal u. | URS | 4 (28.6) | 4 (28.6) | 5 (35.7) | 1 (7.1) | 3 | 16.5 | −0.1 | (−0.5; 0.3) |
m-URS | 3 (21.4) | 8 (57.1) | 3 (21.4) | 0 | 4 | 16.5 | −0.2 | (−0.6; 0.2) | |
Ureteral infiltration | |||||||||
Prox. u. | URS | 5 (35.7) | 6 (42.9) | 3 (21.4) | 1 | 7 | −0.1 | (−0.5; 0.3) | |
m-URS | 7 (50.0) | 6 (42.9) | 1 (7.1) | 2 | 7 | −0.1 | (−0.5; 0.3) | ||
Distal u. | URS | 4 (28.6) | 10 (71.4) | 0 | 3 | 3.5 | −0.3 | (−0.6; 0.1) | |
m-URS | 8 (57.1) | 6 (42.9) | 0 | 4 | 3.5 | 0.0 | (0.4; −0.4) | ||
Ureteral fibrosis | |||||||||
Prox. u. | URS | 10 (71.4) | 1 (7.1) | 3 (21.4) | 1 | 40.5 | 0.2 | (−0.2; 0.6) | |
m-URS | 8 (57.1) | 6 (42.9) | 0 | 2 | 28 | 0.3 | (−0.1; 0.6) | ||
Distal u. | URS | 5 (35.7) | 8 (57.1) | 1 (7.1) | 3 | 30 | 0.0 | (−0.3; 0.4) | |
m-URS | 5 (35.7) | 7 (50.0) | 2 (14.3) | 4 | 30 | 0.0 | (0.4; −0.4) | ||
Ureteral congestion | |||||||||
Prox. u. | URS | 11 (78.6) | 3 (21.4) | 0 | 1 | 6 | 0.2 | (−0.2; 0.5) | |
m-URS | 12 (85.7) | 2 (14.3) | 0 | 2 | 1.5 | 0.0 | (−0.3; 0.3) | ||
Distal u. | URS | 9 (64.3) | 4 (28.6) | 1 (7.1) | 3 | 3.5 | −0.2 | (−0.5; 0.1) | |
m-URS | 12 (85.7) | 2 (14.3) | 0 | 4 | 3.5 | −0.2 | (−0.5; 0.1) | ||
Ureteral bleeding | |||||||||
Prox. u. | URS | 14 (100) | 0 | 1 | 3 | 0.1 | (−0.1; 0.3) | ||
m-URS | 14 (100) | 0 | 2 | 0 | 0.0 | (0.0; 0.0) | |||
Distal u. | URS | 12 (85.7) | 2(14.3) | 3 | 0 | −0.1 | (−0.3; 0.1) | ||
m-URS | 14 (100) | 0 | 4 | 0 | −0.1 | (−0.3; 0.1) | |||
MUSCLE LAYER | |||||||||
Fibrosis | |||||||||
Prox. u. | URS | 12 (85.7) | 2 (14.3) | 1 | 7.5 | 0.1 | (−0.2; 0.4) | ||
m-URS | 11 (78.6) | 3 (21.4) | 2 | 9 | 0.1 | (−0.3; 0.4) | |||
Distal u. | URS | 10 (71.4) | 4 (28.6) | 3 | 10.5 | 0.0 | (−0.3; 0.3) | ||
m-URS | 10 (71.4) | 4 (28.6) | 4 | 10.5 | −0.1 | (−0.4; 0.3) | |||
