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JSM Medical Case Reports

Benign Prostate Hypertrophy: An Educational Ultrasound Images and Pharmacotherapy Mini-Review

Mini Review | Open Access | Volume 6 | Issue 1

  • 1. Department of Advisor doctor and expert trainer The National Training and Development Center and Baghdad Medical City, Iraq
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Corresponding Authors
Aamir Jalal Al Mosawi, Department of Advisor doctor and expert trainer The National Training and Development Center and Baghdad Medical City Baghdad, Iraq
Abstract

Background: A benign increase in the size of prostate (Enlargement) can be asymptomatic, but it can cause symptoms resulting from pressure on the urethra, including frequency of urination, difficulty in starting urination, poor urine stream, dribbling after urination, and inability to pass urine. Ultrasonography has been used as early as 1971 for the diagnosis of prostatic enlargement.

Patients and Methods: This article describes the case of a 53-year-old male with diabetes, hypertension, and refractory psoriasis who developed benign prostatic enlargement. Educational ultrasound images are provided. Treatment for his comorbidities has been detailed in previous publications.

Results: The patient was complaining of dribbling after micturition for few weeks. He was not having difficulty in starting urination nor complained of frequent micturition, and the urine stream was considered normal. The urinary bladder was normal, but with mild hazy wall outline. Pre-voiding volume was 248 ml, and post-voiding volume was 9 ml. Ultrasound of the prostate showed enlarged prostate with homogenous texture. Prostate volume was 36.6 ml (Normal: 25 ml). Therefore, Oral finasteride was started.

Conclusion: Many medications have been used in the treatment of benign enlargement of the prostate during the 1960s, 1970s, and 1980s, including progestational agents, Amino acids, spironolactone, candicidin, nystatin, flutamide, bromocriptine, alpha-adrenergic blockers, Serenoa repens (Saw palmetto extracts), and mepartricin. However, the current evidence-based opinion suggests that benign enlargement of the prostate can be initially treated with medications that can reduce the volume of the prostate such as finasteride and dutasteride. Tamsulosin or alfuzosin can be added to further improve lower urinary symptoms.

Keywords

• Benign Enlargement of the Prostate; Ultrasonography; Evidenced-Based Treatment; Expert Opinion

CITATION

Al Mosawi AJ (2024) Benign Prostate Hypertrophy: An Educational Ultrasound Images and Pharmacotherapy Mini-Review. JSM Med Case Rep 6(1): 1013.

INTRODUCTION

A benign increase in the size of prostate (Enlargement) can be asymptomatic, but it can cause symptoms resulting from pressure on the urethra, including frequency of urination, difficulty in starting urination, poor urine stream, dribbling after urination, and inability to pass urine. Since as early as 1971, ultrasonography has been utilized for diagnosing prostatic enlargement [1-3].

PATIENTS AND METHODS

This article describes the case of a 53-year-old male with diabetes, hypertension, and refractory psoriasis who developed benign prostatic enlargement. Educational ultrasound images are provided. Treatment for his comorbidities has been detailed in previous publications [4,5].

RESULTS

The patient presented with post-micturition dribbling for several weeks, without difficulty initiating urination or increased urinary frequency. Urine stream was deemed normal, and there was no evidence of urinary tract infection. Renal ultrasound revealed a simple renal cyst measuring 23 mm in diameter on the left kidney, with both kidneys otherwise appearing normal. The urinary bladder exhibited a normal appearance, albeit with a mildly hazy wall outline. Pre-voiding volume was measured at 248 ml, with a post-voiding volume of 9 ml. Prostate ultrasound (Figure 1A-Figure 1B) revealed an enlarged prostate with homogeneous texture and no evidence of space-occupying lesions.

Ultrasound of the prostate showed enlarged prostate.

Figure 1A: Ultrasound of the prostate showed enlarged prostate.

Ultrasound of the prostate showed enlarged prostate.

Figure 1B: Ultrasound of the prostate showed enlarged prostate.

Prostate volume was measured at 36.6 ml (normal range: < 25 ml), leading to the initiation of oral finasteride therapy.

DISCUSSION

Since 1971, ultrasonography has been pivotal in diagnosing prostatic enlargement [1-3]. In 1990, Fehr and Knönagel underscored its significance in assessing medical treatments, suggesting a ≥15% reduction in prostate volume post-treatment as clinically significant [3]. Many medications have been used in the treatment of benign enlargement of the prostate during the 1960s, 1970s, and 1980s, including progestational agents, Amino acids, spironolactone, candicidin, nystatin, flutamide, bromocriptine, alpha-adrenergic blockers, Serenoa repens (Saw palmetto extracts), and mepartricin [6-15].

Finasteride, a 5-alpha-reductase inhibitor, has gained prominence since the early 1990s for treating benign prostatic enlargement [16]. Stoner (1990) highlighted its efficacy in reducing prostate volume by 28% over six months without significant adverse effects.

Stoner emphasized that oral finasteride can considerably reduce the elevated level of dihydrotestosterone in the prostate which is the main androgen responsible for prostate enlargement without decreasing testosterone levels. Stoner reviewed the literature and found that finasteride can reduce the volume of prostate by 28% over six months, and without important adverse effects [16]. In 1998, Roehrborn, et al. from the United States conducted a meta-analytic study demonstrating the symptomatic improvement and enhanced urinary flow rate associated with finasteride treatment, especially in patients with larger prostates.

The meta-analysis included six placebo-controlled studies involving patients with benign hypertrophy patients treated with either 5 mg oral finasteride for at least one year or placebo.

The meta-analysis showed that finasteride treatment was associated with symptomatic improvement and improved urinary flow rate, and it was effective in patients with larger prostates [17]. Tamsulosin, the first prostate-selective alpha 1A-adrenoceptor blocker, was evaluated by Chapple, et al. from the United Kingdom in 1996; they found it to be safe, welltolerated, and effective in improving symptoms and urinary flow rate. Chapple, et al. conducted a meta-analytic study which included two placebo-controlled studies that included patients with benign hypertrophy of the prostate. 382 patients with treated with 0.4 mg modified-release tamsulosin (The first prostate-selective alpha 1A-adrenoceptor blocker) one time daily for 12 weeks, and 193 patients who received placebo.

The meta-analysis showed that tamsulosin treatment was safe and was well-tolerated. Tamsulosin treatment was associated with symptomatic improvement and improved urinary flow rate. Treatment was not associated with important changes in blood pressure or pulse rate in hypertensive and non-hypertensive patients [18]

In 1998, Wilt, et al. from the United States conducted a systematic review which included 18 controlled studies involving 2939 patients with benign hypertrophy of the prostate. Wilt, et al. found that when compared with finasteride, Serenoa repens (Saw palmetto extracts) can result in similar improvement in urinary flow and urinary tract symptoms. Serenoa repens was associated with less adverse effects [19]. In 1999, Djavan and Marberger conducted meta-analysis which included patients with benign hypertrophy of the prostate associated with obstructive symptoms. They found that alpha1-adrenoceptor blockers had similar beneficial effects in improving symptoms and flow. However, alfuzosin and tamsulosin were better tolerated than doxazosin, terazosin and prazosin, and tamsulosin had less effect hypotensive effect than alfuzosin particularly in older patients [20].

In 2004, Boyle, et al. from Italy reported an updated metaanalysis which included 17 placebo-controlled studies involving 4280 patients with benign hypertrophy of the prostate. The metaanalysis showed that treatment with Serenoa repens extract was associated with symptomatic improvement, marked reduction in nocturia and improved peak urine flow [21]. In 2014, Park and Choi from the United States reported a systematic review and metaanalysis which showed that dutasteride, an other 5α-reductase inhibitor had a beneficial effect in benign prostate enlargement similar to that of finasteride, and both were associated with a similar rate of adverse effects [22]. In 2016, Kosilov, et al. from Russia evaluated the combination of anti-muscarinic medications with tamsulosin, concluding that it improved symptoms of overactive bladder without compromising safety.

They conducted a study which included 338 patients with benign prostate enlargement who have significant symptoms of overactive bladder with dribbling. Patients were treated with solifenacin 5 mg plus trospium 5 mg (Anti-muscarinic medications) plus tamsulosin 0.4 mg daily or tamsulosin 0.4 mg (Control patients). The addition of anti-muscarinic medications to tamsulosin improved symptoms of overactive bladder and was considered safe [23].

CONCLUSION

Current evidence supports the initial use of medications like finasteride and dutasteride to reduce prostate volume in benign prostatic enlargement. Additionally, drugs like tamsulosin or alfuzosin can be added to further alleviate lower urinary symptoms.

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Al Mosawi AJ (2024) Benign Prostate Hypertrophy: An Educational Ultrasound Images and Pharmacotherapy Mini-Review. JSM Med Case Rep 6(1): 1013

Received : 06 Mar 2024
Accepted : 15 Apr 2024
Published : 18 Apr 2024
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