Functional Evaluation of Upper Urinary Tract with Diuretic Mercaptoacetyltriglycine Renal Scans in Patients with Benign Prostatic Obstruction before and after Surgical Intervention: A Pilot Study

Table 1

Patients’ baseline characteristics ().

Age (years)
Body mass index (kg/m^2)
Prostate-specific antigen (ng/mL)
Serum creatinine (mg/dL)
eGFR (mL/min/1.73m^2)
Proteinuria
Trace or more	15/19 (78.9%)
+1 or more	3/19 (15.8%)
Uroflowmetry parameters
Qmax (mL/sec)
Voiding volume (mL)
Postvoid residual volume (mL)
Invasive urodynamic parameters
Bladder compliance (ΔmL/Δpr)
Involuntary detrusor contraction	2/19 (10.5%)
Bladder outlet obstruction index
Schäfer grades
Bladder contractility index
Anatomical factors
Prostate size (mL)
Bladder thickness (mm)
IPSS total score
Storage symptom score
Obstructive symptom score
Quality of life score
T1/2 of ^99mTc-MAG3
Left side
Right side
T1/2 >10 min at least one kidney	13/19 (68.4%)
Underlying conditions
Diabetes mellitus	4/19 (21.1%)
Hypertension	7/19 (36.8%)
Smoking	5/19 (26.3%)
Under 20 pyrs	2/19 (10.5%)
Over 20 pyrs	3/19 (15.8%)
Education (high school or more)	13/19 (68.4%)
Recent symptom aggravation (year)
Previous history of acute urinary retention	3/19 (15.8%)

Parameters were expressed by the or frequency (%). eGFR: estimated glomerular filtration rate; Qmax: maximal flow rate; IPSS: international prostate symptom score; MAG-3: diuretic mercaptoacetyltriglycine.