Evidence map›Paper›PMID 31209562›Full record

SynthesisWorld journal of urology2020

Lasers versus bipolar technology in the transurethral treatment of benign prostatic enlargement: a systematic review and meta-analysis of comparative studies.

Chaohui Gu, Naichun Zhou, Pratik Gurung, Yiping Kou, Yang Luo, Yidi Wang, Hui Zhou, Cheng Zhen, Jinjian Yang, Fengyan Tian and 1 more

Abstract readComparative StudyMeta-AnalysisSystematic Review
PubMed Publisher
In one paragraph

Synthesis in World journal of urology, 2020. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 18 papers, 3 of them syntheses that pooled it.

0numbers the graph read from it
0cells of the map it votes in
18citing papers in PubMed, 3 pooled it
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1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

18 citing papers in PubMed, 3 syntheses or guidelines pooled it.

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4 · The record

Corrections and comments

5 · Who and what money

Authors and funding

11 authors.

Chaohui GuDepartment of Urology, The First Affiliated Hospital of Zhengzhou University, Jianshe East Road, Zhengzhou, 450052, Henan, China.
Naichun ZhouDepartment of Urology, The First Affiliated Hospital of Zhengzhou University, Jianshe East Road, Zhengzhou, 450052, Henan, China.
Pratik GurungDepartment of Urology, University of Rochester Medical Center, New York, USA.
Yiping KouDepartment of Urology, The First Affiliated Hospital of Zhengzhou University, Jianshe East Road, Zhengzhou, 450052, Henan, China.
Yang LuoDepartment of Urology, The First Affiliated Hospital of Zhengzhou University, Jianshe East Road, Zhengzhou, 450052, Henan, China.
Yidi WangDepartment of Urology, The First Affiliated Hospital of Zhengzhou University, Jianshe East Road, Zhengzhou, 450052, Henan, China.
Hui ZhouDepartment of Urology, The First Affiliated Hospital of Zhengzhou University, Jianshe East Road, Zhengzhou, 450052, Henan, China.
Cheng ZhenDepartment of Urology, The First Affiliated Hospital of Zhengzhou University, Jianshe East Road, Zhengzhou, 450052, Henan, China.
Jinjian YangDepartment of Urology, The First Affiliated Hospital of Zhengzhou University, Jianshe East Road, Zhengzhou, 450052, Henan, China.
Fengyan TianDepartment of Urology, The First Affiliated Hospital of Zhengzhou University, Jianshe East Road, Zhengzhou, 450052, Henan, China. fccguzh@zzu.edu.cn.
Guan WuDepartment of Urology, University of Rochester Medical Center, New York, USA. Guan_Wu@urmc.rochester.edu.

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

purposeTo systematically review studies comparing the overall efficacy and safety of lasers and bipolar technology for the transurethral treatment of benign prostatic enlargement (BPE).

methodsA systematic review of the literature was completed in February 2018. Studies with comparative data between different lasers and bipolar technologies (enucleation or resection) were included in this review. A meta-analysis was performed using STATA 14.0, and subgroup analyses were also performed regarding the type of laser (holmium, thulium, green light and diode).

results27 studies with 31 published articles (4382 patients) were selected for the meta-analysis. Compared with bipolar technology, lasers demonstrated shorter catheterization duration (standardized mean difference (SMD): 1.44; 95% CI 1.07-1.81; p < 0.001) and shorter hospital stay (SMD: 1.16; 95% CI 0.83-1.49; p < 0.001), and a smaller drop in hemoglobin (Hb) level (SMD: 0.86; 95% CI 0.47-1.26; p < 0.001). However, significant heterogeneity was detected in the studies and statistical significance was lost on sub-analyses. Furthermore, there were no significant differences between lasers and bipolar technology in the maximum flow rate (Qmax) and international prostate symptom score (IPSS) at a minimum of 3 months after treatment. Complications, including urethral stricture, urinary incontinence, urinary tract infection, re-catheterization and blood transfusion, did not significantly differ between lasers and bipolar technology.

conclusionEarly efficacy and safety profiles were comparable between bipolar and laser treatments. Differences were observed in terms of smaller reduction in Hb, shorter catheterization duration and shorter hospital stay in favor of lasers. However, the smaller reduction in Hb, with lasers, did not translate into reduced transfusion requirements. Furthermore, there was significant heterogeneity in the studies and, in subgroup analyses, the differences were not statistically significant.

Indexed as

ElectrosurgeryLaser TherapyHumansMaleProstatic HyperplasiaTransurethral Resection of ProstateBenign prostate hyperplasia (BPH)Benign prostatic enlargement (BPE)BipolarLaserMeta-analysisSystematic review

Identifiers

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Registered trials

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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.