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Safety and efficacy of bipolar versus monopolar transurethral resection of bladder tumor: a systematic review and meta-analysis

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A Letter to the Editor to this article was published on 19 May 2020

Abstract

Purpose

Transurethral resection of bladder tumor is the standard of care for the management of patients with bladder mass. Primary objective of this study was to compare safety and efficacy of the two energy modalities used for TURBT (monopolar and bipolar).

Materials and methods

Systematic literature search of various electronic databases was conducted to include all the randomized studies comparing two groups. Standard PRISMA (Preferred reporting Items for Systematic reviews and Meta-analysis) guidelines were pursued for this review and study protocol was registered with PROSPERO (CRD42019139987).

Results

In the present review, eight RCTs including 1147 patients were included. Resection time, hospital stay and catheter duration were significantly shorter with bipolar group. There was no significant difference in incidence of obturator reflex (OR 0.65, CI [0.35, 1.2], p = 0.17), whereas incidence of bladder perforation was significantly higher in the monopolar group (6.4% versus 3.3%, p = 0.01. However, sensitivity analysis including 3 high quality studies revealed equal incidence of bladder perforations. Need for blood transfusion was similar in the two groups but fall in hemoglobin was significantly lower in bipolar group (MD − 0.45 CI [− 0.72, − 0.18], p = 0.0009). Bipolar group was found to have significantly lower incidence of tissue artifacts due to thermal energy on pathological examination (OR 0.27 CI [0.15, 0.47], p < 0.00001).

Conclusions

Bipolar and monopolar devices are equally safe in terms of obturator jerk and bladder perforation. Bipolar group was significantly better as compared to monopolar for hospital stay, catheter duration and fall in hemoglobin; however, the clinical relevance of most of these parameters is little.

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Abbreviations

TURBT:

Transurethral resection of bladder tumors

mTURBT:

Monopolar transurethral resection of bladder tumors

bTURBT:

Bipolar transurethral resection of bladder tumors

TUR:

Transurethral resection

TURP:

Transurethral reception of prostate

RCT:

Randomized controlled trials

PRISMA:

Preferred reporting Items for systematic reviews and meta-analysis

PICO:

Patient/population, intervention, control, outcome

GRADE:

Grading of recommendations, assessment, development and evaluations

NMIBC:

Non-muscle invasive bladder cancers

CAD:

Coronary artery disease

NYHA:

New York Heart Association

MD:

Mean difference

CI:

Confidence interval

OR:

Odds ratio

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Authors

Contributions

GS: Protocol development, data collection and management, data analysis and Manuscript writing. AP Sharma: Protocol development, data collection and management, data analysis and Manuscript writing. RS Mavuduru: Data analysis and Manuscript writing and editing. SK Devana: Data analysis and Manuscript writing and editing. G S Bora: Manuscript writing and editing. S K Singh: Manuscript editing. A K Mandal: Manuscript editing.

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Correspondence to Aditya Prakash Sharma.

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Sharma, G., Sharma, A.P., Mavuduru, R.S. et al. Safety and efficacy of bipolar versus monopolar transurethral resection of bladder tumor: a systematic review and meta-analysis. World J Urol 39, 377–387 (2021). https://doi.org/10.1007/s00345-020-03201-3

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  • DOI: https://doi.org/10.1007/s00345-020-03201-3

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