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Dive into the research topics where Thomas W. Gaither is active.

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Featured researches published by Thomas W. Gaither.


Sexually Transmitted Infections | 2017

Correlation between pubic hair grooming and STIs: results from a nationally representative probability sample

E. Charles Osterberg; Thomas W. Gaither; Mohannad A. Awad; Matthew D. Truesdale; Isabel E. Allen; Siobhan Sutcliffe; Benjamin N. Breyer

Objective STIs are the most common infections among adults. Concurrently, pubic hair grooming is prevalent. Small-scale studies have demonstrated a relationship between pubic hair grooming and STIs. We aim to examine this relationship in a large sample of men and women. Design We conducted a probability survey of US residents aged 18–65 years. The survey ascertained self-reported pubic hair grooming practices, sexual behaviours and STI history. We defined extreme grooming as removal of all pubic hair more than 11 times per year and high-frequency grooming as daily/weekly trimming. Cutaneous STIs included herpes, human papillomavirus, syphilis and molluscum. Secretory STIs included gonorrhoea, chlamydia and HIV. We analysed lice separately. Results Of 7580 respondents who completed the survey, 74% reported grooming their pubic hair, 66% of men and 84% of women. After adjusting for age and lifetime sexual partners, ever having groomed was positively associated with a history of self-reported STIs (OR 1.8; 95% CI 1.4 to 2.2), including cutaneous STIs (OR 2.6; CI 1.8 to 3.7), secretory STIs (OR 1.7; CI 1.3 to 2.2) and lice (OR 1.9; CI 1.3 to 2.9). These positive associations were stronger for extreme groomers (OR 4.4; CI 2.9 to 6.8) and high-frequency groomers (OR 3.5; CI 2.3 to 5.4) with cutaneous STIs, and for non-extreme groomers (OR 2.0; CI 1.3 to 3.0) and low-frequency groomers (OR 2.0; CI 1.3 to 3.1) with lice. Conclusions Among a representative sample of US residents, pubic hair grooming was positively related to self-reported STI history. Further research is warranted to gain insight into STI risk-reduction strategies.


JAMA Dermatology | 2016

Pubic Hair Grooming Prevalence and Motivation Among Women in the United States

Tami S. Rowen; Thomas W. Gaither; Mohannad A. Awad; E. Charles Osterberg; Alan W. Shindel; Benjamin N. Breyer

Importance Pubic hair grooming is an increasingly prevalent trend. Several studies have sought to characterize its prevalence, associated demographics, and motivations. Objective To characterize current pubic hair grooming practices in the United States. Design, Setting, and Participants In this cross-sectional study, a nationally representative survey was conducted in January 2013 of noninstitutionalized adults aged 18 to 65 years residing in the United States via the GfK Group (formerly Knowledge Networks) panel members. Data analysis was performed from November to December 2015. Interventions A questionnaire examining pubic hair grooming habits. Main Outcomes and Measures Demographic characteristics and motivations associated with pubic hair grooming. Results A total of 3372 women were surveyed. Fifty-six women did not answer the grooming question; consequently, 3316 women were included in the analysis. Of these women, 2778 (83.8%) reported pubic hair grooming and 538 (16.2%) reported never grooming. On multivariate regression, several factors associated with grooming were found. When compared with younger women (aged 18-24 years), women aged 45 through 55 years (odds ratio [OR], 0.05; 95% CI, 0.01-0.49; P = .01) and those older than 55 years (OR, 0.04; 95% CI, 0.00-0.34; P = .003) were significantly less likely to groom. Women with some college (OR, 3.36; 95% CI, 1.65-6.84; P = .001) or a bachelors degree (OR, 2.39; 95% CI, 1.17-4.88; P = .02) were more likely to have groomed. Race was also significantly associated with grooming, with all groups reporting less grooming when compared with white women. No association was found between grooming and income, relationship status, or geographic location. Conclusions and Relevance This study provides a nationally representative assessment of contemporary female pubic hair grooming habits. Demographic differences in grooming were found, which may reflect cultural variations in preference related to pubic hair. Health care professionals and those who provide grooming services can use this information to better counsel patients and understand grooming practices.


The Journal of Urology | 2017

Cycling, and Male Sexual and Urinary Function: Results from a Large, Multinational, Cross-Sectional Study

Mohannad A. Awad; Thomas W. Gaither; Gregory Murphy; Thanabhudee Chumnarnsongkhroh; Ian Metzler; Thomas Sanford; Siobhan Sutcliffe; Michael L. Eisenberg; Peter R. Carroll; E. Charles Osterberg; Benjamin N. Breyer

Purpose We explored the relation of cycling to urinary and sexual function in a large multinational sample of men. Materials and Methods Cyclists were recruited to complete a survey through Facebook® advertisements and outreach to sporting clubs. Swimmers and runners were recruited as a comparison group. Cyclists were categorized into low and high intensity cyclists. Participants were queried using validated questionnaires, including SHIM (Sexual Health Inventory for Men), I‐PSS (International Prostate Symptom Score) and NIH‐CPSI (National Institutes of Health Chronic Prostatitis Symptom Index), in addition to questions about urinary tract infections, urethral stricture, genital numbness and saddle sores. Results Of 5,488 complete survey responses 3,932 (72%) were included in our analysis. On multivariate analysis swimmers/runners had a lower mean SHIM score than low and high intensity cyclists (19.5 vs 19.9 and 20.7, p = 0.02 and <0.001, respectively). No significant differences were found in I‐PSS or NIH‐CPSI scores, or urinary tract infection history. Cyclists had statistically higher odds of urethral stricture compared to swimmers/runners (OR 2.5, p = 0.042). Standing more than 20% of the time while cycling significantly reduced the odds of genital numbness (OR 0.4, p = 0.006). Adjusting the handlebar higher or even with the saddle had lower odds of genital numbness and saddle sores (OR 0.8, p = 0.005 and 0.6, p <0.001, respectively). Conclusions Cyclists had no worse sexual or urinary functions than swimmers or runners but cyclists were more prone to urethral stricture. Increased time standing while cycling and a higher handlebar height were associated with lower odds of genital sores and numbness.


Urology | 2016

The Near-future Impact of Retirement on the Urologic Workforce: Results From the American Urological Association Census

Thomas W. Gaither; Mohannad A. Awad; Raymond Fang; J. Quentin Clemens; William Meeks; Scott Gulig; Bradley A. Erickson; Patrick H. McKenna; Christopher M. Gonzalez; E. Charles Osterberg; Benjamin N. Breyer

OBJECTIVE To assess self-perceived planned retirement patterns among urologists by using the American Urological Association Census Data. With an expanding elderly population and an aging urologic workforce, concerns regarding increased demand and decreased supply of urologists have been raised. MATERIALS AND METHODS We analyzed data from the 2014 American Urological Association Census, which is a specialty representative survey distributed to the urologists who practice in the United States. A total of 2204 census samples were weighted to represent 11,703 urologists who practiced in the United States in 2014. We compared urologists who are nearing retirement (within 5 years of their planned retirement) with the rest of urologists on their demographic, geographic, and practice characteristics. RESULTS Of the 11,703 practicing urologists in the United States, 3181 (95% confidence interval: 2884-3479) or 27% (95% confidence interval: 25%-30%) are nearing planned retirement. The mean age (standard deviation [SD]) of urologists nearing retirement (69, SD = 8.2) was older than nonretiring urologists (48, SD = 10.3), P < .01. Nearly double the proportion of nearing retirement urologists is found in nonmetropolitan compared to nonretiring urologists, 534 (17%) vs 782 (9%), P < .01, respectively. Urologists nearing retirement are more likely to practice general urology compared to nonretiring urologists, 2341 (74%) vs 5072 (60%), P < .01. Among urologists nearing retirement, 2155 (68%) of them still perform inpatient operations. CONCLUSION More than one-fourth of existing practicing urologists plan to retire in the next 5 years. General urology and urology practices outside of metropolitan areas will be impacted the most by the planned retiring workforce.


The Journal of Sexual Medicine | 2015

The Influence of Sexual Orientation and Sexual Role on Male Grooming‐Related Injuries and Infections

Thomas W. Gaither; Matthew D. Truesdale; Catherine R. Harris; Amjad Alwaal; Alan W. Shindel; Isabel E. Allen; Benjamin N. Breyer

AIM Pubic hair grooming is a common practice in the United States and coincides with prevalence of grooming-related injuries. Men who have sex with men (MSM) groom more frequently than men who have sex with women (MSW). We aim to characterize the influence of sexual orientation and sexual role on grooming behavior, injuries, and infections in men in the United States. METHODS We conducted a nationally representative survey of noninstitutionalized adults aged 18-65 residing in the United States. We examined the prevalence and risk factors of injuries and infections that occur as a result of personal grooming. RESULTS Of the 4,062 men who completed the survey, 3,176 (78.2%) report having sex with only women (MSW), 198 (4.9%) report sex with men (MSM), and 688 (16.9%) report not being sexually active. MSM are more likely to groom (42.5% vs. 29.0%, P < 0.001) and groom more around the anus, scrotum, and penile shaft compared with MSW. MSM receptive partners groom more often (50.9% vs. 26.9%, P = 0.005) and groom more for sex (85.3% vs. 51.9%, P < 0.001) compared with MSM insertive partners. MSM report more injuries to the anus (7.0% vs. 1.0%, P < 0.001), more grooming-related infections (7.0% vs. 1.0%, P < 0.001) and abscesses (8.8% vs. 2.5%, P = 0.010), as well as lifetime sexually transmitted infections (STIs) (1.65 vs. 1.45, P = 0.038) compared with MSW. More receptive partners report grooming at the time of their STI infection (52.2% vs. 14.3%, P < 0.001) compared with insertive partners. CONCLUSIONS Sexual orientation, and in particular sexual role, may influence male grooming behavior and impact grooming-related injuries and infections. Anogenital grooming may put one at risk for an STI. Healthcare providers should be aware of different grooming practices in order to better educate safe depilatory practices (i.e., the use of electric razors for anogenital grooming) in patients of all sexual orientations.


Translational Andrology and Urology | 2017

Guidelines of guidelines: a review of urethral stricture evaluation, management, and follow-up

David Bayne; Thomas W. Gaither; Mohannad A. Awad; Gregory Murphy; E. Charles Osterberg; Benjamin N. Breyer

Background Our objective is to report a comparative review of recently released guidelines for the evaluation, management, and follow-up of urethral stricture disease. Methods This is an analysis of the American Urologic Association (AUA) and Société Internationale d’Urologie (SIU) guidelines on urethral stricture. Strength of recommendations is stratified according to letter grade that corresponds to the level of evidence provided by the literature. Results Although few, the discrepancies between the recommendations offered by the two guidelines can be best explained by varying interpretations of the literature and available evidence on urethral strictures. When comparing the AUA guidelines and the SIU guidelines on urethral stricture, there are very few discrepancies. Perhaps the most notable difference is in the use of repeat DVIU or urethral dilation after an initial failed attempt. SIU guidelines state that there are instances where repeat DVIU or urethral dilation can be indicated, and they give a range of time at which stricture recurrence post procedure mandates an urethroplasty (less than 3 to 6 months). The AUA guidelines definitively state that repeat endoscopic procedures should not be offered as an alternative to urethroplasty, and they do not mention time of stricture recurrence as a factor. SIU guidelines allow for management of urethral stricture with indwelling urethral stenting. Conclusions Overall there is a need for more high quality research in the work up, management, and follow up care of urethral stricture.


The Journal of Urology | 2017

Urinary Diversion for Severe Urinary Adverse Events of Prostate Radiation: Results from a Multi-Institutional Study

Mitchell Bassett; Yahir Santiago-Lastra; John T. Stoffel; Robert Goldfarb; Sean P. Elliott; Scott Pate; Joshua A. Broghammer; Thomas W. Gaither; Benjamin N. Breyer; Alex J. Vanni; Bryan B. Voelzke; Bradley A. Erickson; Christopher McClung; Angela P. Presson; Jeremy B. Myers

Purpose: We evaluated the short and long‐term surgical outcomes of urinary diversion done for urinary adverse events arising from prostate radiation therapy. We hypothesized that patient characteristics are associated with complications after urinary diversion. Materials and Methods: We performed a retrospective cohort study of 100 men who underwent urinary diversion (urinary conduit or continent catheterizable pouch) due to urinary adverse events after prostate radiotherapy from 2007 to 2016 from 9 academic centers in the United States. Outcome measurements included predictors of short and long‐term complications, and readmission after urinary diversion of patients who had prostate cancer treated with radiotherapy. The data were summarized using descriptive statistics and univariate associations with complications were identified with logistic regression controlling for center. Results: Mean patient age was 71 years and median time from radiotherapy to urinary diversion was 8 years. Overall 81 (81%) patients had combined modality therapy (radical prostatectomy plus radiotherapy or various combinations of radiotherapy). Grade 3a or greater Clavien‐Dindo complications occurred in 31 (35%) men, including 4 deaths (4.5%). Normal weight men had more short‐term complications compared to overweight (OR 4.9, 95% CI 1.3–23.1, p=0.02) and obese men (OR 6.3, 95% CI 1.6–31.1, p=0.009). Hospital readmission within 6 weeks of surgery occurred for 35 (38%) men. Surgery was needed to treat long‐term complications after urinary diversion in 19 (22%) patients with a median followup of 16.3 months. Conclusions: Urinary diversion after prostate radiotherapy has a considerable short and long‐term surgical complication rate. Urinary diversion most often cannot be avoided in these patients but appreciation of the risks allows for informed shared decision making between surgeons and patients.


The Journal of Urology | 2017

Postoperative Complications following Primary Penile Inversion Vaginoplasty among 330 Male-to-Female Transgender Patients

Thomas W. Gaither; Mohannad A. Awad; E. Charles Osterberg; Gregory Murphy; Angelita Romero; Marci L. Bowers; Benjamin N. Breyer

Purpose Studies of surgical complications of penile inversion vaginoplasty are limited due to small sample sizes. We describe postoperative complications after penile inversion vaginoplasty and evaluated age, body mass index and years on hormone replacement therapy as risk factors for complications. Materials and Methods We retrospectively reviewed the records of male‐to‐female patients who presented for primary penile inversion vaginoplasty to a high volume surgeon (MLB) from 2011 to 2015. Complications included granulation tissue, vaginal pain, wound separation, labial asymmetry, vaginal stenosis, fistula formation, urinary symptoms including spraying stream or dribbling, infection, vaginal fissure or vaginal bleeding. We classified complications by Clavien‐Dindo grade. Multivariable logistic regression was performed to determine the independent effects of age, body mass index and hormone replacement therapy on postoperative surgical complications. Results A total of 330 patients presented for primary penile inversion vaginoplasty. Median age at surgery was 35 years (range 18 to 76). Median followup in all patients was 3 months (range 3 to 73). Of the patients 95 (28.7%) presented with a postoperative complication. Median time to a complication was 4.4 months (IQR 1–11.5). Rectoneovaginal fistulas developed in 3 patients (0.9%). A total of 30 patients (9.0%) required a second operation. There were no complications greater than Clavien‐Dindo grade IIIB. Age, body mass index and hormone replacement therapy were not associated with complications. Conclusions Penile inversion vaginoplasty is a relatively safe procedure. Most complications due to this surgery develop within the first 4 months postoperatively. Age, body mass index and hormone replacement therapy are not associated with complications and, thus, they should not dictate the timing of surgery.


Urology Practice | 2015

Lichen Sclerosus Comorbidities and Complications from a National Sample of Patients Treated with Urethroplasty

Sarah D. Blaschko; Thomas W. Gaither; Amjad Alwaal; Catherine R. Harris; Charles E. McCulloch; Jack W. McAninch; Benjamin N. Breyer

Introduction: We characterize comorbidities and inpatient complications of patients with lichen sclerosus who underwent urethroplasty from a large national patient data source. Methods: We queried the Nationwide Inpatient Sample for patients who underwent urethroplasty between 2000 and 2010. We compared demographics, comorbidities, complications, length of hospital stay and hospital charges for patients with and without the diagnosis of lichen sclerosus. Results: An estimated 13,700 urethroplasties were performed in the United States during the study period. Patients with lichen sclerosus comprised an estimated 3.8% of the urethroplasty population. The majority of patients with urethral stricture with lichen sclerosus were Caucasian (84%) and older, with 63% age 45 or older. Chronic hypertension, diabetes mellitus, rheumatoid arthritis/collagen vascular disease and obesity were associated with increased odds of having a lichen sclerosus diagnosis. The central East Coast (7.2%) and the Pacific Northwest (6.3%) had the highest percentage of patients treated with urethroplasty with lichen sclerosus. Patients with lichen sclerosus had longer hospital stays than those without lichen sclerosus (3.5 vs 2.6 days, p <0.0001). Patients with lichen sclerosus had more complications and hospital charges than those without lichen sclerosus but these differences did not reach statistical significance. Conclusions: A higher percentage of patients with lichen sclerosus had comorbidities, increased complications and longer hospital stays compared to patients treated with urethroplasty without lichen sclerosus. Our findings demonstrate the increased complexity that providers face when treating men with lichen sclerosus related urethral stricture disease.


Urology | 2015

National Variation in Urethroplasty Cost and Predictors of Extreme Cost: A Cost Analysis With Policy Implications.

Catherine R. Harris; E. Charles Osterberg; Thomas Sanford; Amjad Alwaal; Thomas W. Gaither; Jack W. McAninch; Charles E. McCulloch; Benjamin N. Breyer

OBJECTIVE To determine which factors are associated with higher costs of urethroplasty procedure and whether these factors have been increasing over time. Identification of determinants of extreme costs may help reduce cost while maintaining quality. MATERIALS AND METHODS We conducted a retrospective analysis using the 2001-2010 Healthcare Cost and Utilization Project-Nationwide Inpatient Sample (HCUP-NIS). The HCUP-NIS captures hospital charges which we converted to cost using the HCUP cost-to-charge ratio. Log cost linear regression with sensitivity analysis was used to determine variables associated with increased costs. Extreme cost was defined as the top 20th percentile of expenditure, analyzed with logistic regression, and expressed as odds ratios (OR). RESULTS A total of 2298 urethroplasties were recorded in NIS over the study period. The median (interquartile range) calculated cost was

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E. Charles Osterberg

University of Texas at Austin

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Gregory Murphy

University of California

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Thomas Sanford

University of California

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Amjad Alwaal

University of California

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