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Comparison 1 Stent versus no stent, Outcome 1 Urine leak and obstruction.
Figuras y tablas -
Analysis 1.1

Comparison 1 Stent versus no stent, Outcome 1 Urine leak and obstruction.

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Comparison 1 Stent versus no stent, Outcome 2 Surgeon number MUC subgroup analysis.
Figuras y tablas -
Analysis 1.2

Comparison 1 Stent versus no stent, Outcome 2 Surgeon number MUC subgroup analysis.

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Comparison 1 Stent versus no stent, Outcome 3 UTI.
Figuras y tablas -
Analysis 1.3

Comparison 1 Stent versus no stent, Outcome 3 UTI.

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Comparison 1 Stent versus no stent, Outcome 4 UTI incidence by diagnostic criteria.
Figuras y tablas -
Analysis 1.4

Comparison 1 Stent versus no stent, Outcome 4 UTI incidence by diagnostic criteria.

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Comparison 1 Stent versus no stent, Outcome 5 UTI incidence by antibiotic regime.
Figuras y tablas -
Analysis 1.5

Comparison 1 Stent versus no stent, Outcome 5 UTI incidence by antibiotic regime.

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Comparison 1 Stent versus no stent, Outcome 6 Haematuria.
Figuras y tablas -
Analysis 1.6

Comparison 1 Stent versus no stent, Outcome 6 Haematuria.

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Table 1. Incidence of major urological complications (MUCs)

Study

Events (stent)

Patients (stent)

Incidence (stent)

Events (no stent)

Patients (no stent)

Incidence (no stent)

Bassiri 1995

0

35

0%

3

37

8.1%

Benoit 1996

1

97

1.0%

10

97

10.3%

Dominguez 2000

5

143

3.5%

9

137

6.6%

Guleria 1998

1

54

1.9%

3

54

5.6%

Kumar 1998

0

57

0%

3

43

7.0%

Osman 2004

2

50

4%

0

50

0%

Pleass 1995

0

150

0%

26

150

17.3%

Total

9

586

median 1.0 (0 ‐ 4.0)

54

568

median 7.0 (0 ‐ 17.3)
Figuras y tablas -
Table 1. Incidence of major urological complications (MUCs)
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Table 2. Influence of surgeon number on incidence of MUCs

Comparison/ Study

Events (stent)

Patients (stent)

Incidence (stent)

Events (no stent)

Patients (no stent)

Incidence (no stent)

Bassiri 1995

0

35

0%

3

37

8.1%

Guleria 1998

1

54

1.9%

3

54

5.6%

Kumar 1998

0

57

0%

3

43

7.0%

Osman 2004

2

50

4%

0

50

0%

Same surgeon (4 studies, 380 patients)

3

196

median 0.95 (0 ‐ 4.0)

9

184

median 6.3 (0 ‐ 8.1)

Benoit 1996

1

97

1.0%

10

97

10.3%

Dominguez 2000

5

143

3.5%

9

137

6.6%

Pleass 1995

0

150

0%

26

150

17.3%

Many surgeons (3 studies, 774 patients)

6

390

median 1.0 (0 ‐ 3.5)

45

384

median 10.3 (6.6 ‐ 17.3)
Figuras y tablas -
Table 2. Influence of surgeon number on incidence of MUCs
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Table 3. Graft loss and patient mortality

Study

Follow‐up

Stent related loss

Stent related deaths

Overall mortality

Overall graft loss

Bassiri 1995

2‐10 months

0

0

5 patients total either lost their graft or died (6.5%)

‐

Benoit 1996

Up to 3 years

2

0

7.8%

NR

Dominguez 2000

3 months

0

0

NR

NR

Guleria 1998

6 months

0

0

0

1.9%

Kumar 1998

16‐32 months

0

0

93% 1 year survival

89% 1 year survival

Osman 2004

7‐16 months

0

0

0.8%

0.8%

Pleass 1995

3 months

0

0

NR

NR

NR = not reported
Figuras y tablas -
Table 3. Graft loss and patient mortality
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Table 4. Incidence of haematuria

Study

Stent

No Stent

Bassiri 1995

5.7%

0%

Benoit 1996

NR

1 ureter clot retention (1.0%)

Dominguez 2000

NR

1 ureter clot retention (0.7%)

Guleria 1998

NR

NR

Kumar 1998

0%

0%

Osman 2004

6.0%

2.0%

Pleass 1995

6.0%

10.0%

NR = not reported
Figuras y tablas -
Table 4. Incidence of haematuria
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Table 5. Other stent‐related complications

Study

Irritative symptoms

Breakage

Migration/malpositioning

Encrustation

Forgotten

Expulsion

Bassiri 1995

NR

NR

NR

5.7%

NR

0

Benoit 1996

NR

2.1%

1.0%

2.1%

NR

1.0%

Dominguez 2000

0%

0 %

0 %

0 %

NR

0%

Guleria 1998

5.6%

0 %

7.4%

0 %

NR

7.4%

Kumar 1998

5.3%

0 %

0 %

0 %

7.0 %

0

Osman 2004

NR

0 %

4.0%

0 %

0

0

Pleass 1995

NR

0 %

"+"

"++"

NR

> 1 patient

NR = not reported
Figuras y tablas -
Table 5. Other stent‐related complications
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Comparison 1. Stent versus no stent

Outcome or subgroup title

No. of studies

No. of participants

Statistical method

Effect size

1 Urine leak and obstruction Show forest plot

7

Risk Ratio (M‐H, Random, 95% CI)

Subtotals only

1.1 Combined ‐ urine leak and obstruction

7

1154

Risk Ratio (M‐H, Random, 95% CI)

0.24 [0.07, 0.77]

1.2 Urine leak

7

1154

Risk Ratio (M‐H, Random, 95% CI)

0.29 [0.12, 0.74]

1.3 Ureteric obstruction

7

1154

Risk Ratio (M‐H, Random, 95% CI)

0.27 [0.09, 0.81]

2 Surgeon number MUC subgroup analysis Show forest plot

7

Risk Ratio (M‐H, Random, 95% CI)

Subtotals only

2.1 Same surgeon

4

380

Risk Ratio (M‐H, Random, 95% CI)

0.39 [0.08, 1.86]

2.2 Many surgeons

3

774

Risk Ratio (M‐H, Random, 95% CI)

0.13 [0.01, 1.16]

3 UTI Show forest plot

7

1154

Risk Ratio (M‐H, Random, 95% CI)

1.49 [1.04, 2.14]

4 UTI incidence by diagnostic criteria Show forest plot

6

Risk Ratio (M‐H, Random, 95% CI)

Subtotals only

4.1 Culture only

3

402

Risk Ratio (M‐H, Random, 95% CI)

1.44 [0.85, 2.43]

4.2 Culture plus symptoms/ signs

3

680

Risk Ratio (M‐H, Random, 95% CI)

1.23 [0.80, 1.90]

5 UTI incidence by antibiotic regime Show forest plot

6

Risk Ratio (M‐H, Random, 95% CI)

Subtotals only

5.1 Co‐trimoxazole 480mg od (960 mg alt. days)

3

594

Risk Ratio (M‐H, Random, 95% CI)

0.97 [0.71, 1.33]

5.2 Other regime

3

488

Risk Ratio (M‐H, Random, 95% CI)

1.78 [1.44, 2.21]

6 Haematuria Show forest plot

6

1046

Risk Ratio (M‐H, Random, 95% CI)

0.74 [0.37, 1.48]
Figuras y tablas -
Comparison 1. Stent versus no stent
Ir a la tabla de la revisión