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Harnblasenstörungen: Ein umfassender Überblick

The bladder is a compliant muscular reservoir. Dysfunction manifests as storage, voiding, or sensory symptoms. This overview covers major disorders, diagnostic approaches, and general management principles.

Major Bladder Disorders

DisorderKey FeaturesPrimary Mechanism
UTI (Cystitis)Dysuria, frequency, urgency, suprapubic pain, hematuriaBacterial ascent (E. coli 80%)
Overactive Bladder (OAB)Urgency, frequency, nocturia, ±UUIDetrusor overactivity (idiopathic/neurogenic)
Underactive Bladder / Urinary RetentionHesitancy, weak stream, incomplete emptying, overflow incontinenceDetrusor underactivity (neurogenic, myogenic, outlet obstruction)
Bladder Outlet Obstruction (BOO)Obstructive + irritative symptomsBPH (men), stricture, prolapse, fibrosis
Neurogenic BladderVariable: retention, incontinence, high pressuresSCI, MS, spina bifida, Parkinson’s, diabetes
Interstitial Cystitis/Bladder Pain Syndrome (IC/BPS)Suprapubic pain + urgency/frequency (>6 wks), negative cultureUrothelial dysfunction, neuroinflammation, mast cells
Bladder StonesIrritative symptoms, hematuria, interruption of streamStasis, infection, foreign body, obstruction
Bladder CancerPainless gross hematuria (85%), irritative symptomsUrothelial carcinoma (90%); smoking, aromatic amines
Bladder Prolapse (Cystocele)Vaginal bulge, SUI, incomplete emptying, recurrent UTIPelvic floor weakness (childbirth, aging, hypoestrogenism)
Ureterovesical Junction ObstructionFlank pain, UTI, hydronephrosisCongenital, stone, stricture, tumor, iatrogenic

Diagnostic Approach

  • History: voiding diary (frequency, volume, leakage), symptom questionnaires (ICIQ, OAB-q, AUA-SI).
  • Exam: abdominal, pelvic/prostate, neurologic.
  • Urinalysis, culture, post-void residual (PVR).
  • Urodynamics (complex cases): pressure-flow, compliance, capacity.
  • Cystoscopy (hematuria, recurrent UTI, atypical presentations).
  • Imaging: US (PVR, hydronephrosis), CT (stones, cancer staging).

General Management Principles

  • Behavioral: timed voiding, double voiding, fluid management, constipation treatment.
  • Pelvic floor PT (biofeedback for OAB, strengthening for SUI).
  • Pharmacologic: anticholinergics/β3-agonists (OAB), α-blockers (BOO), antibiotics (UTI).
  • Procedural: botox (OAB), TURP/HoLEP (BOO), hydrodistension (IC), tumor resection.
  • Neuromodulation: PTNS, SNM (refractory OAB/retention).

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