Abstract
Purpose
To investigate whether circulating adiponectin, which is considered a possible marker of anti-atherogenic effects, is a useful predictor of bladder function, especially detrusor underactivity (DU), in men with lower urinary tract symptoms (LUTS).
Methods
A total of 130 treatment-naïve men with non-neurogenic LUTS were prospectively stratified into two groups (the DU and non-DU groups) based on the presence or absence of DU, where DU is defined as a bladder contractility index < 100 and bladder outlet obstruction index (BOOI) < 40. The impact of serum adiponectin levels on urodynamic function, including DU, was assessed using univariate, binomial logistic regression, and receiver operating characteristic (ROC) curve analyses.
Results
In total, data from 118 men were analyzed; 39 (33.0%) had DU (DU group) and 79 (67.0%) did not have DU (non-DU group). The median serum adiponectin in the DU group was significantly lower than in the non-DU group (6.2 vs 12.6 µg/mL, p < 0.001). In the binomial logistic regression analysis, lower adiponectin, smaller intravesical prostatic protrusion, and lower bladder voiding efficiency were significant factors related to DU. In the ROC analyses, serum adiponectin had the highest area under the curve value for DU diagnosis (0.849). Additionally, a cutoff value of 7.9 µg/mL for serum adiponectin level was identified for DU, which yielded a sensitivity and specificity of 79% and 90%, respectively.
Conclusions
The serum adiponectin level was significantly associated with bladder function and may be a useful marker for predicting DU in men with LUTS.
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Data availability
The datasets generated and/or analyzed during the current study are available from the corresponding author on reasonable request.
Abbreviations
- BCI:
-
Bladder contractility index
- BMI:
-
Body mass index
- BOO:
-
Bladder outlet obstruction
- BOOI:
-
Bladder outlet obstruction index
- BPE:
-
Benign prostatic enlargement
- BVE:
-
Bladder voiding efficiency
- DO:
-
Detrusor overactivity
- DU:
-
Detrusor underactivity
- FDV:
-
First desire to void
- HL:
-
Hyperlipidemia
- HT:
-
Hypertension
- IPP:
-
Intravesical prostatic protrusion
- IPSS:
-
International prostate symptom score
- LUTS:
-
Lower urinary tract symptoms
- MCC:
-
Maximum cystometric capacity
- MetS:
-
Metabolic syndrome
- OAB:
-
Overactive bladder symptom
- OABSS:
-
Overactive bladder symptom score
- PdetQmax:
-
Detrusor pressure at maximum flow rate
- PFS:
-
Pressure flow study
- PVR:
-
Post-void residual urine volume
- Qmax:
-
Maximum flow rate
- QOL:
-
Quality of life
- ROC:
-
Receiver operating characteristic
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Acknowledgements
We thank all patients, who provided data, and all trial investigators for their contribution to data acquisition. This study was supported by a Japan Society for the Promotion of Science KAKENHI Grant-in-Aid for Scientific Research C (Grant Number: 17K11178, Y. Matsukawa).
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TI contributed to manuscript writing, data collection, and data analysis. YM contributed to protocol/project development, data collection, data analysis, data management, and manuscript writing. YN contributed to data collection. SI contributed to data management and critical revision of the manuscript. TM contributed to data analysis and critical revision of the manuscript. MG contributed to protocol/project development, manuscript editing, and supervision.
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The authors declare that there are no conflict of interests. This study has been not funded and supported by any company.
Research involving human participants and/or animals
The study was conducted in accordance with the ethical principles of the Declaration of Helsinki, and the protocol was approved by the Institutional Review Board of Nagoya University Graduate School of Medicine, Japan (approval number: 2018-0233). This study was registered at https://center.umin.ac.jp (UMIN000033750).
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Ishikawa, T., Matsukawa, Y., Naito, Y. et al. Adiponectin can be a good predictor of urodynamic detrusor underactivity: a prospective study in men with lower urinary tract symptoms. World J Urol 41, 1117–1124 (2023). https://doi.org/10.1007/s00345-023-04341-y
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DOI: https://doi.org/10.1007/s00345-023-04341-y