Christos E. Constantinou
Publications
- Novel insight into the dynamics of male pelvic floor contractions through transperineal ultrasound imaging. J Urol. 2012; (4): 1224-30
- Simulation of vaginal wall biomechanical properties from pelvic floor closure forces map. Stud Health Technol Inform. 2011: 218-23
- Stiffness mapping prostate biopsy samples using a tactile sensor. Conf Proc IEEE Eng Med Biol Soc. 2011: 8515-8
- Visualization of pelvic floor reflex and voluntary contractions. Stud Health Technol Inform. 2011: 138-43
- Mechanisms of pelvic floor muscle function and the effect on the urethra during a cough. Eur Urol. 2010; (6): 1101-10
- Dynamics of female pelvic floor function using urodynamics, ultrasound and Magnetic Resonance Imaging (MRI). Eur J Obstet Gynecol Reprod Biol. 2009: S159-65
- Re: Rosario DJ, Woo HH, Chapple CR. 2008. Definition of normality of pressure-flow parameters based on observations in asymptomatic men. Neurourol and Urodynam 27:388-394. Neurourol Urodyn. 2009
- Tactile resonance sensors in medicine. J Med Eng Technol. 2009; (4): 263-73
- Influence of pelvic floor muscle contraction on the profile of vaginal closure pressure in continent and stress urinary incontinent women. J Urol. 2008; (5): 1917-22
- Visualization of biomechanical properties of female pelvic floor function using video motion tracking of ultrasound imaging. Stud Health Technol Inform. 2008: 390-5
- A critical review of the pharmacology of the plant extract of Pygeum africanum in the treatment of LUTS. Neurourol Urodyn. 2007; (4): 458-63; discussion 464
- Changes in levator ani anatomical configuration following physiotherapy in women with stress urinary incontinence. J Urol. 2007; (3 Pt 1): 970-7; quiz 1129
- Direction sensitive sensor probe for the evaluation of voluntary and reflex pelvic floor contractions. Neurourol Urodyn. 2007; (3): 386-91
- Evaluation of the dynamic responses of female pelvic floor using a novel vaginal probe. Ann N Y Acad Sci. 2007: 297-315
- High resolution regional elasticity mapping of the human prostate. Conf Proc IEEE Eng Med Biol Soc. 2007: 5803-6
- Spatial distribution of vaginal closure pressures of continent and stress urinary incontinent women. Physiol Meas. 2007; (11): 1429-50
- Ultrasound evaluation of dynamic responses of female pelvic floor muscles. Ultrasound Med Biol. 2007; (3): 342-52
- 2D Ultrasound image processing in identifying responses of urogenital structures to pelvic floor muscle activity. Ann Biomed Eng. 2006; (3): 477-93
- Multi-sensory surgical support system incorporating, tactile, visual and auditory perception modalities. Stud Health Technol Inform. 2005: 369-71
- Remote sensing of mechanical properties of materials using a novel ultrasound transducer and signal processing. IEEE Trans Ultrason Ferroelectr Freq Control. 2005; (3): 439-44
- Development of a Novel Surgical Support Instrumentand Virtual System Incorporating Tactile Sensor Technology. TECHNOLOGY AND INFORMATICS MMVR(12). 2004; (12): 288-290
- Development of a novel surgical support instrument and virtual system incorporating new tactile sensor technology. Stud Health Technol Inform. 2004: 288-90
- Effects of artificial obstruction on the function of the upper urinary tract of Guinea pigs, rats and pigs. Eur J Pediatr Surg. 2004; (5): 303-15
- Functional and anatomical effects of hormonally induced experimental prostate growth: a urodynamic model of benign prostatic hyperplasia (BPH) in the beagle. Prostate. 2004; (2): 156-63
- Micro-mechanical sensing platform for the characterization of the elastic properties of the ovum via uniaxial measurement. J Biomech. 2004; (1): 67-72
- Real Time robotic sensor system for the determination of the physical properies of biomaterials Sensors and Actuators A. 2004: 278-285
- Comparative urodynamic patterns of bladder pressure, contractility and urine flow in man and rat during micturition. APMIS Suppl. 2003; (109): 39-44
- Effect of Pygeum africanum tadenan on micturition and prostate growth of the rat secondary to coadministered treatment and post-treatment with dihydrotestosterone. Urology. 2003; (2): 474-8
- Supraspinal N-methyl-D-aspartate receptor inhibition influences the micturition reflex and function of the upper urinary tract of anesthetized and conscious rats. Neurourol Urodyn. 2003; (2): 164-75
- Determining the displacement of the pelvic floor and pelvic organs during voluntary contractions using magnetic resonance imaging in younger and older women. BJU Int. 2002; (4): 408-14
- Displacement sequence and elastic properties of anterior prostate/urethral interface during micturition of spinal cord injured men. Ultrasound Med Biol. 2002; (9): 1157-63
- Urodynamic patterns of normal male micturition: influence of water consumption on urine production and detrusor function. J Urol. 2002; (4 Pt 1): 1458-63
- Influence of gender on the diurnal variation of urine production and micturition characteristics of the rat. Neurourol Urodyn. 2001; (3): 287-95
- Functional evaluation of Tadenan on micturition and experimental prostate growth induced with exogenous dihydrotestosterone. Urology. 2000; (2): 292-8
- Gender specificity of tolterodine on micturition and the diurnal variation of urine production of the conscious rat. BJU Int. 2000; (7): 879-85
- Age dependent response to exogenous estrogen on micturition, contractility and cholinergic receptors of the rat bladder. Life Sci. 1999; (23): PL 279-89
- Chronology and urodynamic characterization of micturition in neurohormonally induced experimental prostate growth in the rat. Neurourol Urodyn. 1998; (1): 55-69
- Effect of alpha1 adrenoceptor antagonist on the urodynamics of the upper and lower urinary tract of the male rat. Neurourol Urodyn. 1998; (3): 213-29
- Comparative analysis of bladder wall compliance based on cystometry and biosensor measurements during the micturition cycle of the rat. Neurourol Urodyn. 1997; (6): 567-81
- Modulation of detrusor contraction strength and micturition characteristics by intrathecal baclofen in anesthetized rats. J Urol. 1997; (6): 2361-5
- Analysis of pressure/flow characteristics in the female rat and their pharmacologic modulation. Neurourol Urodyn. 1996; (5): 513-27
- Analysis of the relative biomechanical effects of alpha 1 and alpha 2 antagonists in modifying the compliance of the prostate and micturition parameters of the hormonally manipulated male rat. Neurourol Urodyn. 1996; (1): 85-101
- Influence of hormone treatment on prostate growth and micturition characteristics of the rat. Prostate. 1996; (1): 30-5
- Urethral pressures in the study of female incontinence Female Urol.. 1996: 115-131
- Videomicroscopic imaging of ureteral peristaltic function in rats during cystometry. J Pharmacol Toxicol Methods. 1996; (4): 191-202
- Imaging of pelvic floor contractions using MRI. Neurourol Urodyn. 1995; (3): 209-16
- MRI of voluntary pelvic floor contractions in healthy female volunteers Intl. Urogynecol. J.. 1995: 138-152
- Modeling of micturition characteristics based on prostatic stiffness modulation induced using hormones and adrenergic antagonists. IEEE Trans Biomed Eng. 1995; (8): 843-8
- New method for direct stiffness measurement of the corpora cavernosa. Int J Impot Res. 1995; (4): 221-31
- Prostate specific antigen as a predictor of an abnormal digital rectal examination. Br J Urol. 1994; (3): 337-40
- The effect of alpha 2 agonists and antagonists on the lower urinary tract of the rat. J Urol. 1993; (1): 159-64
- Endothelium dependent relaxation of human corpus cavernosum by bradykinin. Jpn J Pharmacol. 1992: 321P
- Impact of radical prostatectomy on the characteristics of bladder and urethra. J Urol. 1992; (4): 1215-9; discussion 1219-20
- Pharmacologic effect of thiphenamil HCl on lower urinary tract function of healthy asymptomatic volunteers. Urol Int. 1992; (3): 293-8
- Pharmacologic treatment of detrusor incontinence with thiphenamil HCl. Urol Int. 1992; (1): 42-7
- Rapid evaluation of the efficacy of pharmacologic agents and their analogs in enhancing bladder capacity and reducing the voiding frequency. J Pharmacol Toxicol Methods. 1992; (2): 119-26
- Relaxant effect of thiphenamil HCl on upper urinary tract frequency of contraction of healthy asymptomatic volunteers. Urol Int. 1992; (1): 35-8
- Relaxation mechanisms of antispasmodics papaverine and thiphenamil on the human corpus cavernosum. Jpn J Pharmacol. 1992: 384P
- Renal pelvic pressure isolation from active and passive bladder pressures in the rat: the facilitating effect of urine flow rate. Urol Int. 1992; (3): 284-92
- The effect of bacteriuria on bladder and renal pelvic pressures in the rat. J Urol. 1992; (2 Pt 2): 559-63; discussion 564-5
- Topological localization of the frequency and amplitude characteristics of the whole and segmented renal pelvis. Urol Int. 1992; (3): 278-83
- Flow dependence of 2-D temperature distributions induced in the perfused canine kidney by ultrasound. Int J Hyperthermia. 1991 Mar-Apr; (2): 367-83
- Regional effects of indomethacin, acetylsalicylic acid and SC-19220 on the contractility of rabbit renal pelvis (pacemaker regions and pelviureteric junction). J Urol. 1991; (2): 433-8
- The effect of urinary flow and bladder fullness on renal pelvic pressure in a rat model. J Urol. 1991; (2 ( Pt 2)): 592-6
- Urethral pressure and pressure variations in healthy fertile and postmenopausal women with reference to the female sex hormones. J Urol. 1991; (5): 1434-40
- Effects of [1-desamino-8-D-arginine]vasopressin and papaverine on rabbit renal pelvis. Eur J Pharmacol. 1990; (3): 359-62
- Endothelium dependent relaxation of human corpus cavernosum by bradykinin. J Urol. 1990; (4): 1015-7
- Regulation of renal pelvic pressure by diuresis and micturition. Am J Physiol. 1990; (3 Pt 2): R637-44
- Relaxation mechanisms of antispasmodics papaverine and thiphenamil on the human corpus cavernosum. J Urol. 1990; (6): 1497-9
- Frequency of spontaneous contractions in longitudinal and transverse bladder strips. Am J Physiol. 1989; (4 Pt 2): R781-7
- Renal calyceal and pelvic contraction rhythms. Am J Physiol. 1989; (4 Pt 2): R788-95
- Treatment of urinary incontinence by the periurethral implantation of glutaraldehyde cross-linked collagen. J Urol. 1989; (3): 538-41
- Analysis of the in vitro pharmacologic response of renal pelvis and detrusor smooth muscle to thiphenamil, oxybutynin and verapamil. Urol Int. 1988; (4): 211-8
- Extravesical subtrigonal injection of 50 per cent ethanol for detrusor instability. J Urol. 1988; (1): 111-6
- Dynamics of the upper urinary tract: II. The effect of variations of peristaltic frequency and bladder pressure on pyeloureteral pressure/flow relations. Phys Med Biol. 1987; (7): 823-33
- Internal urethrotomy in girls and its impact on the urethral intrinsic and extrinsic continence mechanisms. J Urol. 1986; (6): 1248-53
- Pressure evaluation of the antireflux ability of the rat ureterovesical junction. Urol Int. 1986; (3): 192-5
- Urinary bladder function and its control in healthy females. Am J Physiol. 1986; (2 Pt 2): R225-30
- Resting and stress urethral pressures as a clinical guide to the mechanism of continence in the female patient. Urol Clin North Am. 1985; (2): 247-58
- Resting and stress urethral pressures as a clinical guide to the mechanism of continence. Clin Obstet Gynaecol. 1985; (2): 343-56
- Isometric detrusor pressure during bladder filling and its dependency on bladder volume and interruption to flow in control subjects. J Urol. 1984; (1): 86-90
- Chronic ureteric obstruction and its impact on the coordinating mechanisms of peristalsis (pyeloureteric pacemaker system). Urol Res. 1982; (6): 267-70
- Principles and methods of clinical urodynamic investigations. Crit Rev Biomed Eng. 1982; (3): 229-64
- Spatial distribution and timing of transmitted and reflexly generated urethral pressures in healthy women. J Urol. 1982; (5): 964-9
- Contribution and timing of transmitted and generated pressure components in the female urethra. Prog Clin Biol Res. 1981: 113-20
- Gradient of total [Ca++] in the renal pelvis. Urol Int. 1981; (4): 256-64
- Multiple-coupled pacemaker system in renal pelvis of the unicalyceal kidney. Am J Physiol. 1981; (5): R412-8
- Pyeloureteral dynamics in the intact and chronically obstructed multicalyceal kidney. Am J Physiol. 1981; (5): R398-411
- The effects of drugs on pacemaker regions of isolated rabbit renal pelvis. Eur J Pharmacol. 1981; (1): 43-51
- The impact of bladder neck suspension on the mode of distribution of abdominal pressure along the female urethra. Prog Clin Biol Res. 1981: 121-32
- The impact of bladder neck suspension on the resting and stress urethral pressure profile: a prospective study comparing controls with incontinent patients preoperatively and postoperatively. J Urol. 1981; (1): 55-60
- Total [Na+] and [K+] gradient in the pyeloureter. Urol Int. 1981; (4): 235-44
- Urodynamics of the pyeloureteral system. Prog Clin Biol Res. 1981: 389-92
- Hydronephrotic alterations in calyceal and renal pelvic pacemaker function of the in vitro pyeloureteral system. Urol Int. 1980; (3): 161-6
- Urodynamic analysis of urethral, vesical and perivesical pressure distribution in the healthy female. Urol Int. 1980; (1): 63-72
- Assessment of pyeloureteral function using a flow velocity and cross-sectional diameter probe. Invest Urol. 1979; (2): 103-7
- Velocity gradient and contraction frequency of the pyeloureteral system. Experientia. 1979; (6): 791-2
- Contractility of the pyeloureteral pacemaker system. Urol Int. 1978; (6): 399-416
- Frequency gradient in the autorhythmicity of the pyeloureteral pacemaker system. Experientia. 1978; (5): 614-5
- Pacemaker system in the control of ureteral peristaltic rate in the multicalyceal kidney of the pig. Invest Urol. 1977; (6): 440-1
- Renal pelivic pacemaker arrhythmias induced by pentothal anesthesia. Urol Int. 1976; (6): 489-500
- The incidence of ecotpic peristaltic contractions. Urol Int. 1976; (6): 476-88
- The origin and propagation of upper urinary tract contraction waves. A new in vitro methodology. Experientia. 1976; (2): 266-7
- Urodynamics of the upper urinary tract. Invest Urol. 1976; (3): 233-40
- Statistical properties of the temporal and spatial distribution of interperistaltic intervals and their relationship to pacemaker and respiratory rhythmicity. Urol Int. 1975; (5): 369-80
- Ureteral pacemaker potentials recorded with the sucrose gap technique. Experientia. 1975; (8): 931-3
- Dynamics of the upper urinary tract: accommodations in the rate and stroke volume of ureteral peristalsis as a response to transient alteration in urine flow rate. Urol Int. 1974; (4): 249-64
- Effects of radiopaque contrast media on the dynamic characteristics of ureteral function. Urol Int. 1974; (6): 401-13
- Renal pelvic pacemaker control of ureteral peristaltic rate. Am J Physiol. 1974; (6): 1413-9
- Simulated vesicoureteral reflux: comparison between the normal and hydrostatically bypassed ureterovesical junction as a function of urine flow rate and bladder pressure. Urol Int. 1974; (4): 265-79
- Bladder pressure and its effect on mean arterial blood pressure. Invest Urol. 1972; (1): 14-8
- Dynamics of the upper urinary tract. The relationship of urine flow rate and rate of ureteral peristalsis. Invest Urol. 1972; (1): 56-62
- Dynamics of the upper urinary tract. System for data collection and evaluation. Invest Urol. 1971; (6): 645-54
- Dynamics of the upper urinary tract. The effects of an indwelling ureteral catheter on ureteral peristalsis. Invest Urol. 1971; (6): 655-72
- Dynamics of the upper urinary tract: effects of changes in bladder pressure on ureteral peristalsis. J Urol. 1971; (2): 209-13
- Precision electrostatic urine flowmeter. J Appl Physiol. 1970; (3): 396-7
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