Urodynamic Evaluation after High-Intensity Focused Ultrasound for Patients with Prostate Cancer

Table 2

Data relative to urodynamic studies. Main patterns of storage and voiding phases.

	Baseline			3 months			6 months			𝑃
	Number of pts.	%	Mean	Number of pts.	%	Mean	Number of pts.	%	Mean
Detrusor
Normal	14	46.6		11	36.7		14	46.6		0.184
Overactive	16	53.4		19	63.3		16	53.4
Bladder compliance (mL/cmH2O)
Normal	21	70.0		18	60.0		22	73.3
Impaired	8	26.6		12	40.0		7	23.3		0.876
Poor	1	3.4		0	0		1	3.4
Voiding desire (mL)
First	30		99.6	30		94.2	30		98.1	0.837
Strong	30		255.2	30		255.1	30		250.9	0.955
Max. capacity (mL)	30		328.1	30		311.1	30		323.2	0.389
Bladder outlet
Normal	23	76.6		27	90		29	96.6*		0.04*
Obstructed	7	23.4		3	10		1	3.4*
𝑃detOpen (cmH2O)	30		41.0	30		30.3*	30		30.2*	0.01*
𝑃det𝑄max (cmH2O)	30		40.7	30		33.1*	30		38.8*	0.01*
Detrusor contractility
Normal	17	56.6		23	76.7		23	76.7		0.174
Weak	10	33.4		7	23.3		7	23.3
Strong	3	10		0	0		0	0
Voiding
Without straining	15	50		17	56.6		16	53.4		0.189
With straining	15	50		13	43.4		14	46.6
Volume at uroflowmetry	30		292.5	30		169.0*	30		247.0	0.03*
Qmax (mL/s)	30		13.9			16.4*			16.9*	0.02*
PVR (mL)	30		31.8			14.0			10.0*	0.05*
VLPP (cmH2O)	0			1		37	0

^∗𝑃<0.05.