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Meet the Expert: Gary E. Lemack, MD
Professor, Urology
UT Southwestern Medical Center
Dallas, TX

Dr. Gary Lemack is Professor of Urology at the University of Texas (UT) Southwestern Medical Center in Dallas, Texas.

After graduating from New York City's Cornell University Medical College, he completed his urologic residency at The New York Hospital-Cornell Medical Center and then completed a 2-year fellowship in neurourology, female urology, and urodynamics at UT Southwestern.

Dr. Lemack is the Director of Neurourology at UT Southwestern Medical Center, and the Incontinence Clinic in the Department of Urology at Parkland Memorial Hospital. He is also Director of the Residency Program at UT Southwestern.

Areas of Clinical Expertise:

• Incontinence, Female
• Incontinence, Male
• Neurogenic Bladder
• Pelvic Organ Prolapse
• Urodynamics

Research Interests:

• Bladder dysfunction related to spinal cord injury and multiple sclerosis-experimental models
• Bladder outlet obstruction in women
• Outcome measures for urinary incontinence
• Urodynamics in assessing bladder function.

• Best Doctors in Dallas (2006)
• Residency Program Director
• Examination Committee, American Board of Urology
• Holder of Rose Mary Haggar Professorship
• UT Southwestern Mobility Foundation Grant

Selected Publications:

• Sexual dysfunction in patients with multiple sclerosis: a multidisciplinary approach to evaluation and management


• Clarifying the role of urodynamics in the preoperative evaluation of stress urinary incontinence


• Normal preoperative urodynamic testing does not predict voiding dysfunction after Burch colposuspension versus pubovaginal sling


• Nocturia, nocturnal incontinence prevalence, and response to anticholinergic and behavioral therapy


• Benign masses of the female periurethral tissues and anterior vaginal wall


• Behavioral therapy to enable women with urge incontinence to discontinue drug treatment: a randomized trial


• Urodynamic measures do not predict stress continence outcomes after surgery for stress urinary incontinence in selected women


• Burch colposuspension versus fascial sling to reduce urinary stress incontinence


• Women with voiding dysfunction secondary to bladder outlet dyssynergia in the setting of multiple sclerosis do not demonstrate significantly elevated intravesical pressures


• The relationships among measures of incontinence severity in women undergoing surgery for stress urinary incontinence


• Clinical and demographic factors associated with valsalva leak point pressure among women undergoing burch bladder neck suspension or autologous rectus fascial sling procedures


• Urodynamic distinctions between idiopathic detrusor overactivity and detrusor overactivity secondary to multiple sclerosis


• Urodynamic assessment of bladder-outlet obstruction in women


• Reduction of moderate-to-large cystocele during urodynamic evaluation using a vaginal gauze pack: 8-year experience


• Incidence of upper tract abnormalities in patients with neurovesical dysfunction secondary to multiple sclerosis: analysis of risk factors at initial urologic evaluation


• Urodynamic assessment of patients with stress incontinence: how effective are urethral pressure profilometry and abdominal leak point pressures at case selection and predicting outcome?


• Refining diagnosis of anatomic female bladder outlet obstruction: comparison of pressure-flow study parameters in clinically obstructed women with those of normal controls


• Changes in detrusor smooth muscle myosin heavy chain mRNA expression following spinal cord injury in the mouse


• The reproducibility of urodynamic findings in healthy female volunteers: results of repeated studies in the same setting and after short-term follow-up


• Nonintubated uroflowmetry as a predictor of normal pressure flow study in women with stress urinary incontinence


• Distinguishing neurogenic from non-neurogenic detrusor overactivity: a urodynamic assessment of lower urinary tract symptoms in patients with and without Parkinson's disease


• Endorectal coil magnetic resonance imaging for diagnosis of urethral and periurethral pathologic findings in women


• Urodynamic patterns following ischemic spinal cord events


• Management of intrinsic sphincteric deficiency in women


• Overactive bladder in the male patient: bladder, outlet, or both?


• Practical outcome measures for assessing efficacy of incontinence procedures


• Effect of 6F urethral catheterization on urinary flow rates during repeated pressure-flow studies in healthy female volunteers


• UroLume stents: lessons learned


• The cost-effectiveness of preoperative testing (basic office assessment vs. urodynamics) for stress urinary incontinence in women


• Voiding dynamics in women: a comparison of pressure-flow studies between asymptomatic and incontinent women


• Vaginal vault fixation and prevention of enterocele recurrence by high midline levator myorraphy: physical examination and questionnaire-based follow-up


• Standing cystourethrogram: an outcome measure after anti-incontinence procedures and cystocele repair in women


• Interstitial cystitis: reevaluation of patients who do no respond to standard treatments


• Overactive bladder: optimizing quality of care


• Up-regulation of a gene homologous to the human tumor necrosis factor receptor associated factor 6 gene in the obstructed rabbit bladder determined by differential display polymerase chain reaction


• Contractile protein expression in bladder smooth muscle is a marker of phenotypic modulation after outlet obstruction in the rabbit model


• The levator myorraphy repair for vaginal vault prolapse


• Questionnaire-based assessment of bladder dysfunction in patients with mild to moderate Parkinson's disease


• Transvaginal repair of postcystectomy peritoneovaginal fistulae


• Sexual function after vaginal surgery for stress incontinence: results of a mailed questionnaire


• Altered response to partial bladder outlet obstruction in mice lacking inducible nitric oxide synthase


• Pressure flow analysis may aid in identifying women with outflow obstruction


• Identifying patients who require urodynamic testing before surgery for stress incontinence based on questionnaire information and surgical history


• Reversing the tide: emerging options for treating overactive bladder symptoms in women


• Predictability of urodynamic findings based on the Urogenital Distress Inventory-6 questionnaire


• Urethral dilation in women: a questionnaire-based analysis of practice patterns


• Altered bladder function in transgenic mice expressing rat elastin


• The effects of mesh bioprosthesis on the spermatic cord structures: a preliminary report in a canine model


• Physiologic sequelae of partial infravesical obstruction in the mouse: role of inducible nitric oxide synthase