Value of BWT Measurement in Bladder Scanner
Being the first bladder scanner in the world which can measure BWT bladder wall thickness, M5 makes it possible that BWT can be monitored easily and quickly on daily basis. This feature fosters research on coorelation between BWT and different urological diseases. During the interview with Dr. Xu Kexin from Peking University People's Hospital whose team has been using M5 for about one year, we understand better its clinical significance.
What has been your experience so far with M5?
A: The design to integrate BWT bladder wall thickness measurement into bladder scanner is a good idea. We have been using M5 for almost a year and it is a very useful tool for my team. Our patients can have bladder urine volume and BWT measured together at once. It’s quick and easy. We use often the automatic measurement feature and result comes out in a few seconds. Before using M5, BWT measurement used to be done by CT scan. The whole process was very complicated. It took much longer time and was also more costly for patients. The BWT measurement is a useful indicator for our daily diagnosis and researches. In the past it was hard to get the figure. M5 makes it extremely easy for us. We have so far applied BWT measurement on more than 200 cases and we plan to apply to more patients.
What is the clinical significance and value of BWT measurement in your view?
A: There is a correlation between bladder wall thickness and bladder function. For different urinary symptoms, the thickness of bladder wall vary at different phases. In the past, urodynamics test was the common approach to check bladder health condition. However urodynamic test is invasive, which is uncomfortable for patients and majority of them are reluctant to take it. Although BWT measurement cannot fully replace urodynamic test, it’s quite valuable to diagnose patients with LUTS.
For whom BWT measurement is suitable?
A: BWT measurement is applicable for diagnosis of many diseases, including BOO bladder outlet obstruction, neurogenic bladder, OAB etc. I have a lot of patients who’re suffering from BOO bladder outlet obstruction caused by BPH enlarged prostate. Knowing the value of BWT is good enough to evaluate their bladder health condition, which is of great clinical significance.
What is your plan for future use of M5?
A: At the moment, our pool of sample is rather small. We plan to increase it to 1000 cases. We will collect BWT data from different urological diseases and monitor its evolvement. The correlation between the value of BWT and development of the diseases is our direction of research. It was not possible in the past as we did not have an efficient tool. Now with M5 data collection becomes way easier. I believe we will have our sample tool built up quite soon and it will help us a lot in progressing further.
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