Publications by authors named "Baas W"

Penetrating posterior urethral trauma from gunshot wounds (GSW) is rare and requires prompt treatment to minimize complications. Data regarding the management of such cases is scarce in the literature and poorly addressed in the guidelines. Different management approaches exist, including urinary diversion with immediate versus delayed urethroplasty/fistula repair.

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Article Synopsis
  • * A 43-year-old man experiencing uncontrolled stuttering priapism was diagnosed with obstructive sleep apnea (OSA), and after using a CPAP machine, he experienced significant relief from symptoms.
  • * The case highlights that healthcare providers should consider OSA as a possible cause of nocturnal stuttering priapism in older patients and that treating OSA can reduce its occurrence in patients with SCD.
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Purpose Of Review: Stress urinary incontinence (SUI) is a commonly observed condition in females, as well as in males who have undergone prostatectomy. Despite the significant progress made in surgical techniques, pharmacotherapy has not yielded substantial outcomes within the clinical domain. This review aims to present a comprehensive overview of the existing pharmacotherapy options for stress urinary incontinence (SUI) and the emerging therapeutic targets in this field.

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Objective: To determine better in-office measures for artificial urinary sphincter outcomes, we investigated the ability of preoperative timed peg-transfer, pinch strength, grip strength, and Disabilities of the Arm Shoulder and Hand Outcome questionnaire in predicting postoperative satisfaction, confidence, and ease of use of artificial urinary sphincter placement for stress urinary incontinence.

Materials And Methods: A timed 9-hole peg test, pinch and grip strength assessment, and upper extremity questionnaire were administered during the preoperative visit before sphincter placement. In addition to standard preoperative workup, short-form International Consultation of Incontinence Questionnaire and physician handshake were recorded.

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Background: Malignant priapism, a rare disease with only about 500 reported cases to date, consists of persistent erection secondary to invasion or metastasis of a primary neoplasm. While treatment guidelines for priapism in non-malignant cases have been established, there is currently no guideline for treating malignant priapism. Herein, we describe three cases of malignant priapism and suggest a step-by-step approach for clinical management.

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Purpose: To assess the incidence of artificial urinary sphincter (AUS) explant in high-risk patients and to evaluate the relationship between transcorporal cuff (TCC) placement and explant risk in this population.

Methods: We retrospectively reviewed all AUS insertions performed on high-risk patients by a single surgeon from 2010 to 2020. "High-risk" was defined as having ≥ 1 urethral risk factor: pelvic radiation, urethroplasty, recalcitrant urethral/bladder neck stenosis, urethral stenting, or previous AUS erosion/infection.

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Objective: To evaluate if decreasing postop abx prophylaxis affects UTI and wound infection rates in patients following urethroplasty.

Methods: A retrospective review of patients who underwent urethroplasty from 9/2017 - 3/2020 by a single surgeon was performed. All patients received urine culture specific perioperative IV abx prior to urethroplasty and kept a urethral catheter for 3 weeks postop.

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Background: Penile prosthesis implantation represents the gold standard of treatment for severe or medically refractory erectile dysfunction (ED). We sought to address the paucity of currently available literature about global penile prosthesis usage in regard to geography, patient age, surgical approach, implanter volume, and etiology of ED.

Methods: From device manufacturer information, we compiled data on over 63,000 implants performed worldwide.

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Objectives: The prevalence of resistance genes in two important anaerobic genera, Bacteroides and Prevotella, was assessed by applying PCR specifically directed to genes of interest.

Methods: A total of 101 Bacteroides spp. and 99 Prevotella spp.

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Objective: To quantify reports made to the Food and Drug Administration Adverse Event Reporting System (FAERS), create a demographic of patient reports, and examine the cluster of symptoms to correlate consistency of postfinasteride syndrome (PFS) complaints. PFS is a provisional diagnosis encompassing a cluster of sexual, physical, and psychological and/or neurologic symptoms associated with 5-alpha reductase inhibitor use that emerge or continue after discontinuation of medication.

Materials And Methods: FAERS dataset of 5-alpha reductase inhibitors from April 2011 to October 2014 was obtained.

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A 57-year-old African American male presented with vague abdominal pain and bilateral flank pain. The patient was found to have bilateral hydronephrosis and significant renal function impairment secondary to pelvic lipomatosis. Pelvic lipomatosis represents a clinically-diagnosed unique cause of ureteral obstruction and subsequent renal impairment.

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Background: Programmed cell death-1 (PD-1), a T-cell inhibitory receptor, and its ligand, PD-L1, have been reported to be expressed in many tumor types, and this expression has led to the development of many drugs targeting the PD-1 pathway. The objective of this study was to determine the expression of PD-1 and PD-L1 in high-grade prostate cancer tissues, and correlate the expression with disease and patient characteristics.

Materials And Methods: Immunohistochemistry for PD-1 (CD279), PD-L1 (B7-H1), and CD3 was performed and scored from 0 to 5 on prostatectomy/biopsy tissue samples taken from 25 men with high-grade prostate cancer.

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Testosterone replacement therapy (TRT) represents an increasing popular treatment option for men with late-onset hypogonadism (LOH). Because of unsubstantiated beliefs of testosterone's effect on the prostate, the FDA has recently placed a warning on testosterone products, stating that TRT may worsen benign prostatic hyperplasia (BPH). Within this review article we have demonstrated the current understanding of the physiology of testosterone and its relationship with prostatic and lower urinary tract physiology.

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Contrary to the previous dogma that prostatic growth is directly proportional to testosterone levels, emerging research has suggested a lack of testosterone may be a risk factor for lower urinary tract symptoms (LUTS) and benign prostatic hyperplasia (BPH). Within this review article, we have demonstrated the current understanding of the physiology of hypogonadism and its interplay with prostatic and lower urinary tract physiology. The current evidence suggests that not only does testosterone replacement therapy (TRT) not worsen LUTS, but that hypogonadism itself is an important risk factor for LUTS/BPH.

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Infections caused by community-acquired methicillin-resistant Staphylococcus aureus (MRSA) are emerging as a major public health problem. In this study, we describe the distribution of 54 Panton-Valentine leucocidin (PVL)-carrying MRSA isolates in the northern Netherlands between 1998 and 2005, of which 43 (80%) consisted of the European PVL-positive strain multi locus sequence type 80 with staphylococcal cassette chromosome mec type IVc (ST80). Individual cases and small clusters of ST80 predominated in the community (74%), but ST80 was also found in nursing homes (16%) and hospitals (9%).

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Objective: To reveal the source of a nosocomial outbreak of colonization and infection with a strain of Serratia marcescens positive for Guiana extended-spectrum beta-lactamase 1 (GES-1) that occurred among patients in a neurosurgical intensive care unit (ICU) in a Dutch university medical center from May 2002 through March 2003.

Methods: Samples from the environment and from the hands of healthcare workers (HCWs) were cultured. A retrospective case-control study was carried out.

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With increasing age of the leaf the chloroform-soluble part of the surface wax changes from a rather apolar composition largely constituted of a homologous series of hexyl esters of high molecular, saturated fatty acids (C22\3-C32) to a more polar composition with the triterpenol a-amyrin as the major component. Saturated long-chain hydrocarbons start to accumulate during leaf extension, whereas the major triterpenol accumulation occurs on full-grown leaves from the end of the first year of development. Minor concentrations of triterpenes are present on very young leaves with β-amyrin and β-amyrone as major components instead of the corresponding α-compounds.

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