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Fractional CO2 laser treatment for women with stress predominant urinary incontinence: a randomized controlled trial

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Abstract

Introduction and hypothesis

To evaluate the efficacy of vaginal CO2 laser in women with stress predominant urinary incontinence (SUI) compared with the sham treatment.

Methods

A randomized controlled trial with sham treatment was conducted between January 2019 and April 2021. Women with predominant SUI were recruited and randomized into two groups: the CO2 laser group (n = 29) and the sham group (n = 30). The International Consultation on Continence Questionnaire—Urinary Incontinence Short Form (ICIQ-UI SF) was used to evaluate the efficacy at 3 months postoperatively. All participants in both groups were advised to perform pelvic floor muscle training (PFMT) after the intervention.

Results

A total of 59 women were studied. A total of 29 women were included in the CO2 laser group and 30 women were included in the sham group. The baseline scores of the ICIQ-UI SF were similar in both groups. A significant improvement in urinary incontinence scores was found in both groups 3 months after treatment (p < 0.001). However, there were no statistically significant differences between the two groups at 3 months (p = 0.8281). There were no changes in bladder neck descent or levator hiatal area immediately after intervention or 3 months after completion of treatment in either group. Most participants who received the active intervention reported mild vaginal pain during the procedure that resolved spontaneously at the end of treatment.

Conclusions

Fractional CO2 laser treatment does not provide any benefit over the sham technique in alleviating SUI symptoms. The improvement in SUI symptoms in both groups might be related to PFMT.

This study was registered with the Thai Clinical Trial Register (TCTR20190131004).

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Data Availability

The data will be available on request.

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Funding

Faculty of Medicine, Khon Kaen university, Khon Kaen, Thailand.

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Authors and Affiliations

  1. Department of Obstetrics & Gynaecology, Faculty of Medicine, Khon Kaen University, 123 Mittraphap Highway, Muang Khon Kaen, Khon Kaen, 40002, Thailand

    Teerayut Temtanakitpaisan, Chompilas Chongsomchai & Pranom Buppasiri

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  1. Teerayut Temtanakitpaisan
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  2. Chompilas Chongsomchai
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  3. Pranom Buppasiri
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Contributions

Teerayut Temtanakitpaisan: Protocol development, Data collection or management, Data analysis and Manuscript writing.

Chompilas Chongsomchai: Protocol development and Manuscript editing.

Pranom Buppasiri: Protocol development and Manuscript editing.

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Correspondence to Teerayut Temtanakitpaisan.

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Temtanakitpaisan, T., Chongsomchai, C. & Buppasiri, P. Fractional CO2 laser treatment for women with stress predominant urinary incontinence: a randomized controlled trial. Int Urogynecol J 34, 2827–2832 (2023). https://doi.org/10.1007/s00192-023-05655-6

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  • DOI: https://doi.org/10.1007/s00192-023-05655-6

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