Aim The application of laparoscopic catheterization technology in peritoneal dialysis (PD) patients has recently increased. However, the advantages and disadvantages of laparoscopic versus conventional open catheterization are still controversial. The aim of this meta-analysis is to assess complications of catheterization in PD patients and to provide a reference for the clinical choice of PD catheter placement technique.
Methods We searched numerous databases, including Embase, PubMed, CNKI and the Cochrane Library, for published randomized controlled trials (RCTs).
Results Eight relevant studies (n=646) were included in the meta-analysis. The pooled results showed a lower incidence of catheter migration (P: 0.03, OR: 0.42, 95% CI: 0.19 to 0.90) and malfunction (P: 0.008, OR: 0.41, 95% CI: 0.21 to 0.79) but a higher incidence of bleeding (P: 0.02, OR: 3.25, 95% CI: 1.18 to 8.97) with a laparoscopic approach than with a conventional approach. There was no significant difference in the incidence of obstruction (P: 0.24, OR: 0.32, 95% CI: 0.05 to 2.10), hernia (P: 0.20, OR: 0.38, 95% CI: 0.09 to 1.68), leakage (P: 0.23, OR: 0.69, 95% CI: 0.38 to 1.26), mechanical dysfunction (P: 0.90, OR: 0.96, 95% CI: 0.48 to 1.91), malfunction (P: 0.008, OR: 0.41, 95% CI: 0.21 to 0.79), perforation (P: 0.97, OR: 0.95, 95% CI: 0.06 to 15.42), peritonitis (P: 0.13, OR: 0.95, 95% CI: 0.42 to 1.12) or tunnel or exit-site infections (P: 0.49, OR: 0.95, 95% CI: 0.71 to 2.02).
Conclusion Laparoscopic catheterization and conventional open catheter placement in PD patients have unique advantages, but laparoscopic catheterization may be superior to conventional open catheter placement. However, this conclusion needs to be confirmed with further large-sample-size, multi-centre, high-quality RCTs.

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On 11 Feb, 2020
Received 10 Feb, 2020
On 03 Feb, 2020
Received 03 Feb, 2020
On 30 Jan, 2020
Invitations sent on 30 Jan, 2020
On 30 Jan, 2020
On 29 Jan, 2020
On 29 Jan, 2020
Posted 04 Nov, 2019
Received 10 Jan, 2020
On 10 Jan, 2020
On 28 Dec, 2019
Received 18 Nov, 2019
On 05 Nov, 2019
Invitations sent on 04 Nov, 2019
On 29 Oct, 2019
On 28 Oct, 2019
On 28 Oct, 2019
On 01 Oct, 2019
Received 23 Sep, 2019
Received 22 Sep, 2019
Received 22 Sep, 2019
On 12 Sep, 2019
On 09 Sep, 2019
On 02 Sep, 2019
Invitations sent on 02 Sep, 2019
On 02 Sep, 2019
On 06 Aug, 2019
On 06 Aug, 2019
On 11 Jul, 2019
On 11 Feb, 2020
Received 10 Feb, 2020
On 03 Feb, 2020
Received 03 Feb, 2020
On 30 Jan, 2020
Invitations sent on 30 Jan, 2020
On 30 Jan, 2020
On 29 Jan, 2020
On 29 Jan, 2020
Posted 04 Nov, 2019
Received 10 Jan, 2020
On 10 Jan, 2020
On 28 Dec, 2019
Received 18 Nov, 2019
On 05 Nov, 2019
Invitations sent on 04 Nov, 2019
On 29 Oct, 2019
On 28 Oct, 2019
On 28 Oct, 2019
On 01 Oct, 2019
Received 23 Sep, 2019
Received 22 Sep, 2019
Received 22 Sep, 2019
On 12 Sep, 2019
On 09 Sep, 2019
On 02 Sep, 2019
Invitations sent on 02 Sep, 2019
On 02 Sep, 2019
On 06 Aug, 2019
On 06 Aug, 2019
On 11 Jul, 2019
Aim The application of laparoscopic catheterization technology in peritoneal dialysis (PD) patients has recently increased. However, the advantages and disadvantages of laparoscopic versus conventional open catheterization are still controversial. The aim of this meta-analysis is to assess complications of catheterization in PD patients and to provide a reference for the clinical choice of PD catheter placement technique.
Methods We searched numerous databases, including Embase, PubMed, CNKI and the Cochrane Library, for published randomized controlled trials (RCTs).
Results Eight relevant studies (n=646) were included in the meta-analysis. The pooled results showed a lower incidence of catheter migration (P: 0.03, OR: 0.42, 95% CI: 0.19 to 0.90) and malfunction (P: 0.008, OR: 0.41, 95% CI: 0.21 to 0.79) but a higher incidence of bleeding (P: 0.02, OR: 3.25, 95% CI: 1.18 to 8.97) with a laparoscopic approach than with a conventional approach. There was no significant difference in the incidence of obstruction (P: 0.24, OR: 0.32, 95% CI: 0.05 to 2.10), hernia (P: 0.20, OR: 0.38, 95% CI: 0.09 to 1.68), leakage (P: 0.23, OR: 0.69, 95% CI: 0.38 to 1.26), mechanical dysfunction (P: 0.90, OR: 0.96, 95% CI: 0.48 to 1.91), malfunction (P: 0.008, OR: 0.41, 95% CI: 0.21 to 0.79), perforation (P: 0.97, OR: 0.95, 95% CI: 0.06 to 15.42), peritonitis (P: 0.13, OR: 0.95, 95% CI: 0.42 to 1.12) or tunnel or exit-site infections (P: 0.49, OR: 0.95, 95% CI: 0.71 to 2.02).
Conclusion Laparoscopic catheterization and conventional open catheter placement in PD patients have unique advantages, but laparoscopic catheterization may be superior to conventional open catheter placement. However, this conclusion needs to be confirmed with further large-sample-size, multi-centre, high-quality RCTs.

Figure 1

Figure 2

Figure 3

Figure 4
This is a list of supplementary files associated with this preprint. Click to download.
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