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Purpose of ReviewThe purpose of this review is to summarize the role and significance of inflammation as a putative additional factor contributing to lower urinary tract symptoms and the progression of benign prostatic hyperplasia. We review (1) the histologic definition of prostatic inflammation and its prevalence, (2) the effects inflammation in the prostate including on risk of acute urinary retention, and (3) the effects of systemic inflammation on the prostate and on voiding.Recent FindingsInflammation is a highly prevalent finding in the prostate, both on a histological and biochemical level. Men with inflammation have higher IPSS scores and increased prostate size; however, these differences appear to be imperceptibly small. Men with inflammation do experience a significantly increased risk of developing acute urinary retention, an event that is associated with significant morbidity. Recently, attempts have been made to identify more specific biochemical markers of local inflammation, and to identify regional patterns of inflamed tissue within the prostate which may be associated with higher IPSS scores, accelerated progression, and AUR. The effects of systemic inflammatory states, most notably MetS, and their role in LUTS have also been examined.SummaryInflammation is a common finding in prostates of aging men, but its contribution to lower urinary tract symptoms and benign prostatic hyperplasia progression appears to be small when considered as a clinically relevant entity. Advances in the understanding of different forms of inflammation, and their impact when experienced in different locations within the prostate, may refine this knowledge. Systemic inflammation affects voiding, including in the absence of a prostate, but again significant effects of systemic inflammation on the prostate itself are also difficult to demonstrate. Prostatic inflammation is associated with a significantly increased risk of acute urinary retention.

The aim of this paper was to assess the associations between prostate cancer aggressiveness and histogram-derived apparent diffusion coefficient (ADC) parameters and determine which ADC parameters may help distinguish among stromal hyperplasia (SH), glandular hyperplasia (GH), and low-grade, intermediate-grade, and high-grade prostate cancers. The mean, median, minimum, maximum, and 10th and 25th percentile ADC values were determined from the ADC histogram and compared among two benign prostate hyperplasia (BPH) groups and three Gleason score (GS) groups. Seventy lesions were identified in 58 patients who had undergone proctectomy. Thirty-nine lesions were prostate cancers (GS 6 = 7 lesions, GS 7 = 19 lesions, GS 8 = 11 lesions, GS 9 = 2 lesions), and thirty-one lesions were BPH (SH = 15 lesions, GH = 16 lesions). There were statistically significant differences in 10th percentile and 25th percentile ADC values when comparing GS 6 to GS 7 (p < 0.05). The 10th percentile ADC values yielded the highest area under the curve (AUC). Tenth and 25th percentile ADCs can be used to more accurately differentiate lesions with GS 6 from those with GS 7 than other ADC parameters. Our data indicate that the major challenge with ADC mapping is to differentiate between SH and GS 6, and SH and GS 7.

Purpose of ReviewTo review the costs associated with benign prostatic hyperplasia (BPH) management. Specifically, to compare the costs of medical therapy, office-based procedures, and surgical management from a payer perspective.Recent FindingsThe American Urological Association released updated guidelines in 2018 for the surgical management of BPH. Over recent years, analyses investigating the cost-effectiveness of the modalities included in these guidelines have been completed. These show relatively newer, minimally-invasive office-based therapies can provide cost-effective alternatives to medical therapy. Likewise, surgical therapies provide a cost-effective means of BPH management, if performed well with low complication rates. However, comparisons of these studies are limited by the biases they contain.SummaryMinimally-invasive office-based therapies and well performed surgical therapies for BPH can achieve cost equivalence to combination medical therapy within a few years. Factors such as age, gland size, patient compliance, and surgeon skill should be considered when personalizing treatment recommendations for each patient.

Purpose of ReviewThere are a variety of treatment options for men with symptomatic benign prostatic hyperplasia (BPH); transurethral resection of the prostate (TURP) remains the gold standard surgical treatment. The field continues to evolve with the introduction of new energy and laser technologies, increasing adoption of enucleation techniques, in addition to the advent of minimally invasive surgical technologies (MIST) that enable office-based treatments. The choice in surgical management has become very nuanced depending on a variety of patient and anatomic factors. There continues to be high success rates for surgical treatment of BPH; however, the risk profiles vary across the various surgical treatments. We sought to evaluate contemporary series and summarize the experience of complications associated with BPH treatment and management of these complications.Recent FindingsA comprehensive literature review was performed, and identified 79 manuscripts, published between 2005 and 2021 characterizing the diagnosis and management of complications following BPH surgery. Commonly cited issues included bleeding, ureteral orifice injury, bladder neck injury, rectal injury, TURP syndrome, bladder neck contractures, urethral stricture disease, refractory OAB symptoms, and complications unique to new modalities of treatment.SummaryThe practicing urologist has multiple surgical options to choose from in treating patients with symptomatic BPH. The surgical management of BPH is generally well tolerated with high objective success rates that allow for significant improvement in urinary quality of life. It is critical to understand the potential complications associated with these various treatment options, which will enable trainees and practicing urologists to better counsel patients and manage these potential complications.

Purpose of ReviewThis article reviews the mechanisms, risk factors, evaluation and current management options for iatrogenic lower urinary tract stenosis, including urethral stricture and bladder neck contracture, caused by surgery for benign prostatic hyperplasia (BPH).Recent FindingsThe incidence of iatrogenic stenosis following endoscopic BPH surgery ranges from 0 to 9.7%. New endoscopic techniques and technologies for treating BPH do not appear to substantially mitigate this risk. However, new advances in our understanding of urethral sphincter anatomy combined with both innovative open urethroplasty techniques and utilization of robotic surgery for bladder neck reconstruction, offer promise in improving treatment outcomes for this patient population.SummaryTreating patient with stenosis following BPH-related surgery can be challenging, especially in patients with recurrent disease. Optimizing outcomes and patient satisfaction relies on performing a thorough work-up and openly discussing treatment choices, risks and postoperative expectations with patients. Future research and emerging technology in both endoscopic BPH treatment surgical options and management of postoperative stenosis is critical to continuing to improve patient care.

Purpose of ReviewThe goal of this paper was to analyze the efficacy of the current modalities available to surgically treat lower urinary tract symptoms (LUTS) associated with benign prostatic hyperplasia (BPH).Recent FindingsThere have been significant surgical advancements for the treatment of BPH, including an increasing development and utilization of minimally invasive surgical techniques (MISTs). These procedures have varying outcomes that are critical to understand. In addition, MISTs have important adverse effects, though have minimized effects on sexual function when compared to more invasive surgical techniques.SummaryIt is important for all urologists to be familiar with the surgical techniques available to treat BPH and the updated American Urological Association (AUA) Guidelines. Further studies evaluating efficacy, safety, and sexual functioning will help guide care in the future and evolve practice.

Purpose of ReviewAim of our systematic review is to evaluate and summarize the efficacy and safety of tadalafil alone or in combination with tamsulosin for the management of lower urinary tract symptoms (LUTS)/benign prostatic hyperplasia (BPH) and erectile dysfunction (ED).Recent FindingsDaily tadalafil, in particular 5 mg, according to retrieved studies, appears to be both safe and effective in treating LUTS/BPH and ED, compared with placebo or tamsulosin. The combination of daily tadalafil 5 mg and tamsulosin 0.4 mg allows a better improvement of LUTS compared with both the monotherapies, even if with an increased, but acceptable and tolerated, adverse events rate. After discontinuation of tamsulosin or tadalafil in patients previously treated with their combination, the improvement of LUTS retains significance compared with baseline.SummaryTadalafil 5 mg should be considered a primary treatment option for patients with LUTS/BPH and ED. Evidence highlight an excellent tolerability, safety, and effectiveness profile, both alone or in combination with tamsulosin 0.4 mg. A better efficacy on LUTS relief has been observed for combination therapy, preserving also sexual function. The further switch to monotherapy allows to preserve LUTS relief, but tadalafil only is able to retain ED improvement. Our results support the evidence for a more and more tailored and modular LUTS treatment.

Purpose of ReviewTo explore the sexual outcomes following the novel minimally invasive surgical procedures for benign prostatic hyperplasia- (BPH-) related lower urinary tract symptoms (LUTS), with an emphasis on ejaculatory dysfunction (EjD).Recent FindingsA database search with a 10-year time restriction was carried out until February 20, 2020 using MEDLINE through the PubMed Platform evaluating minimally invasive treatment modalities for BPH and their effect on EjD. After the article selection, we retrieved data for men randomized in 19 different studies with results in 40 separate published articles investigating minimally invasive BPH surgery and reporting EjD rates. To date, water vapor thermal therapy or Rezūm, prostatic urethral lift (PUL) or UroLift®, prostate artery embolization (PAE), and Aquablation showed acceptable rates (< 2%) of retrograde ejaculation by 1 year and had very low adverse events related to the procedure. Both PUL and Rezūm demonstrated lower rates when compared with PAE and Aquablation.SummaryWith comparable sexual side effect profiles postoperatively, clinicians may determine which therapeutic modality is optimal for patients based on efficacy and cost-benefit. Further randomized clinical trials are required to directly compare the effect of novel minimally invasive surgical procedures for BPH-related LUTS on ejaculation and sexual function.

Purpose of ReviewTo summarize the role of prostate MRI in the assessment and treatment of benign prostatic hyperplasia (BPH) and associated lower urinary tract symptoms (LUTS).Recent FindingsBPH/LUTS is a very common source of morbidity in aging men. mpMRI has become an increasingly popular modality for prostate imaging due to its ability to provide exceptional anatomic detail. This has allowed for MRI classification of BPH and detailed assessment of response to various BPH treatment modalities, including simple prostatectomy and transurethral resection of the prostate as well as newer methods like UroLift and prostatic artery embolization.SummaryMRI will continue to be a useful tool in the diagnosis and management of BPH/LUTS and provides useful information about the efficacy of a variety of available treatment options. Further studies are needed to fully characterize the effects of newer BPH interventions on mpMRI.

A chronic prostatic inflammation seems to play a crucial role in benign prostatic hyperplasia (BPH) pathogenesis and progression. Therefore, inflammation could represent a new potential target for medical therapy of lower urinary tract symptoms (LUTS) due to BPH (LUTS/BPH). This review article analyzes the evidence supporting the role of inflammation in the onset and progression of BPH, and it assesses the potential impact of previous mechanisms on medical therapy of LUTS/BPH. Literature data support the role of inflammation as a relevant factor in the pathogenesis of BPH. Indeed, several data favour the role of infiltrating lymphocytes in the development and progression of prostate adenoma as an effect of a self-maintaining remodeling process. Although available drugs commonly used in the treatment of LUTS/BPH do not exhibit an anti-inflammatory activity, it seems to be obvious considering the inflammation as a new target in the treatment of LUTS/BPH. Drugs currently investigated for the treatment of prostatic inflammation include the hexanic lipidosterolic extract of Serenoa repens, nonsteroidal anti-inflammatory drugs, and vitamin D receptor agonists.