current management of benign prostatic hyperplasia€¦ · current management of benign prostatic...
TRANSCRIPT
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22nd Annual Northeast Regional Nurse Practitioner Conference – May 6-8, 2015
Current Management of Benign Prostatic HyperplasiaRonald Yap, MD, MBA
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D I S C L O S U R E S
• There has been no commercial support or sponsorship for this program.
• The planners and presenters have declared that no conflicts of interest exist.
• The program co-sponsors do not endorse any products in conjunction with any educational activity.
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A C C R E D I TAT I O N
Boston College Connell School of Nursing Continuing Education Program is accredited as a provider of continuing nursing education by the American Nurses Association Massachusetts, an accredited approver by the American Nurses Credentialing Center’s Commission on Accreditation.
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22nd Annual Northeast Regional Nurse Practitioner Conference – May 6-8, 2015
S E S S I O N O B J E C T I V E S
• Summarize the presentation of BPH including epidemiology and symptoms.
• Describe diagnostic testing for BPH.• Define the current treatment guidelines for
management of BPH.
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BPH Management
Ronald Yap, MD, MBA
Dir. Male Urologic Health Program - Concord Hospital Clinical Associate Professor of Surgery
Dartmouth Medical School
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The Prostate – Location and Function
Wikimedia Commons
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What is BPH?
• Benign Prostatic Hyperplasia • Increased prostate cell growth within the
transition zone of the prostate • Usually develops after age 40 • Histologic prevalence approximately equal
to age
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What is BPH?
Wikimedia Commons
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Effect of BPH in the USA
• 6.5 million white men have BPH • 1.1 billion dollars of directly spend for this
condition in 2000 • “Baby Boom” generation is aging
– <55 = +3.2% – 55-64 = +25% – 65-74 = +2.4% – 75-84 = +5.6% – 85+ = +20.2 %
US Census Bureau 2000-2005
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Effect of BPH in the USA
BJU Int. 2008 Mar;101 Suppl 3:17-21. Fig 1
• Quality of life impairments • Physical functioning • General health perception + Vitality • Role limitations due to emotional problems • Mental Health • Social Functioning
• Quality of life impairments similar/worse than • Gout • HTN • Angina • Diabetes
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Lower Urinary Tract Symptoms (LUTS)
• Irritative • Frequency • Urgency • Nocturia
• Obstructive • Hesitancy • Weak Stream • Dribbling • Sensation of Incomplete Emptying
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Potential Sequelae of BPH
• Bladder Damage • Urinary Tract Infection
(UTI) • Kidney Damage • Bladder Stones • Prostate Bleeding
Wikimedia Commons
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Evaluation for BPH
• History • AUA Symptom Score / IPSS • Physical Exam with Digital Rectal Exam • Urinalysis • Ultrasound Post Void Residual • PSA Test • Voiding Diary
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AUA/IPSS Score
• Seven item questionnaire addressing: • Incomplete emptying • Frequency • Intermittency • Urgency • Weak Stream • Straining • Nocturia
• Scored from 0-35 • IPSS = AUA score + QOL question
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AUA/IPSS Score
• 0-7 = Mild • 8-19 = Moderate • 20-35 = Severe
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Treatment
• No Bother or Complications – Watchful Waiting
• No Bother but Complications – Consider Management
• Bothersome – Consider Management
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Treatment • Medical Therapy
• Alpha Blockers • Five Alpha-reductase Inhibitors • Phosphodiesterase Type 5 Inhibitor
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Alpha Blockers
• Reduce adrenergic tone to the prostatic capsule and bladder neck
• Drugs • Doxazosin (Cardura) • Terazosin (Hytrin) • Tamsulosin (Flomax) • Alfuzosin (Uroxatral) • Silodosin (Rapaflo)
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Alpha Blockers
• Side Effects • Hypotension • Lightheadedness/Dizziness • Nasal Congestion • Retrograde Ejaculation • Intraoperative Floppy Iris Syndrome
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Five Alpha-Reductase Inhibitors • Block conversion of T to DHT in prostate • Slowly reduce prostate obstruction • Drugs:
• Finasteride (Proscar) • Dutasteride (Avodart) • Dutasteride + Tamsulosin
• (Jalyn)
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Five Alpha-Reductase Inhibitors • Side Effects
• ED • Decreased Ejaculate • Breast Tenderness/Enlargement
• PSA reduced by 50%
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Five Alpha-Reductase Inhibitors
• PCPT - Prostate Cancer Prevention Trial • 18.4% vs. 24.4% prostate cancer risk • 37% vs. 22.2% of cancers were high grade
• REduction by DUtasteride of prostate Cancer Events (REDUCE) trial • 19.9% vs. 24.9% prostate cancer risk • No increase in high grade cancer risk • Very effective for BPH
N Engl J Med 349 (2003), pp. 215–224 and 362(2010), pp 1192-202
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Phosphodiesterase Type 5 Inhibitor
• Tadalafil (Cialis) • FDA approval October 6, 2011 for BPH • Most useful for coincident BPH and ED
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Phosphodiesterase Type 5 Inhibitor
• Prevents breakdown of cGMP in smooth muscle by PDE5
• Allows NO to be more effective
• No not use with nitrates
• Side Effects: • Headache • Dizziness • Flushing • Reflux • Back pain
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Combination Medical Therapy • MTOPS – Medical Therapy of Prostatic
Symptoms • 3047 Men
• Placebo • Doxazosin 8 mg • Finasteride 5 mg • Doxazosin + Finsasteride • 4.5 year follow up
N Engl J Med. 2003 Dec 18;349(25):2387-98.
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Combination Medical Therapy
• COMBAT – Combination of Avodart and Tamsulosin Study • 4844 Men • Tamsulosin 0.4 mg • Dutasteride 0.5 mg • Tamsulosin + Dutasteride • 4 year followup
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Combination Medical Therapy
• Combination therapy superior to monotherapy • Progression • Urinary retention • BPH Surgery
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Supplements
• Saw Palmetto (Serenoa repens) • Pygeum africanum • Stinging Nettle (Urtica dioca) • South African Star Grass (Hipoxis rooperi) • Rye Pollen (Secale cereale)
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Saw Palmetto
• American dwarf palm tree
• Phytotherapy is derived from fruit extract
Wikimedia Commons
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Supplements
• Well tolerated • Not superior to placebo or medical therapy
• AUA Score • Nocturia • Peak Flow • Prostate Size
Cochrane Database Syst Rev. 2009 Apr 15;(2):CD001423. N Engl J Med. 2006 Feb 9;354(6):557-66.
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Surgical Management
• Indications • Patient Preference • Complications of BPH • Not responsive to medical therapy
• Types • Office Based (TUMT/TUNA/Urolift) • Transurethral Resection (TURP) • Laser (KTP/HOLAP/HOLEP) • Open Enucleation
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Needle and Microwave Therapy
• TUNA - Transurethral Needle Ablation
• TUMT – Transuretral Microwave Therapy
• Office Based Ablation • Gland < 40 grams • Durability unknown
Cochrane Database Syst Rev. 2007 Oct 17;(4):CD004135. Wikimedia Commons
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Urolift
• FDA cleared Sept 2013 • Prostatic “strut” • Lateral lobe obstruction only • Moderate LUTS • Small prostates • Limited coverage
Wikimedia Commons
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Prostatic Punch
• Used to resect median bar • “Diamond” Jim Brady • Brady Urological Institutes
Didusch Center for Urologic History – Linthicum, MD
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Transurethral Procedures
Didusch Center for Urologic History – Linthicum, MD
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TURP
• Transurethral Resection of the Prostate
• Bladder irrigation • Hospital Stay • TUR Syndrome • Size < 90 grams • Bipolar TURP
Wikimedia Commons
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Laser Treatment • Benefits
• No TUR syndrome • Less bleeding • Ambulatory procedure
• As durable as TURP • No size limitation • Can do on aspirin, ?coumadin/plavix
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Laser Treatment
• Ablation • KTP (“Greenlight”) Laser • Holmium Laser (HOLAP)
• Enucleation • Holmium Laser (HOLEP)
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Laser Prostate Surgery
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Laser Ablation
Preop Intraop Postop
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Greenlight Data
• Goliath trial – Noinferiority vs. TURP out to 1 year
• ACS NSQIP Database – • Less pneumonia • Less transfusions • Less reoperation • Shorter LOS
J Urol. 2014 Sep 11. pii: S0022-5347(14)04377-8 Prostate Cancer and Prostatic Diseases 17, 227-232 (September 2014)
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Questions ?