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Description : Check out this medical presentation on Urologic Surgery, which is titled "Emergency in Urology", to know about Urological Emergencies.

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Published on : Jul 20, 2021 | Views : 3499 | Downloads : 20

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Slide 1-

Emergency in Urology Dr. Abdelmoniem E. Eltraifi Consultant Urologist College of Medicine & The Medical City King Saud University, Riyadh, Kingdom of Saudi Arabia
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Compared to other surgical fields, there are relatively few Urological Emergencies.
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Why the patients come to emergency?
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Classification Non traumatic Haematuria Renal Colic Urinary Retention Acute Scrotum Priapism Traumatic Renal Trauma Ureteral Injury Bladder Trauma Urethral Injury External Genital Injury
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Non-Traumatic Urological Emergencies
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Haematuria
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HAEMATURIA Blood in the urine Types: Gross ( Macroscopic, Visible, Clinical): emergency or urgent 1 ml of blood in 1 liter of urine is visible for the patients Microscopic ( non visible, not clinical)= 3 or more RBCS/High power, in 2 out of 3 properly collected samples ( AUA).
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Haematuria… Causes: Varies according to: Patient Age Symptomatic or Asymptomatic The existence of risk factors for malignancy The type: Gross or Microscopic
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Haematuria Pre-renal Renal Post-renal
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Haematuria… Management: Gross Haematuria mandate full work up. Work Up: History P/E= usually no much signs Investigations. 3 ways urethral catheter and bladder wash out for heavy bleeding. Treat according to the cause.
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Age Residency. Duration. Occupation Painless or painful Timing of haematuria How dark colored is the urine? Clots and shape of clots Trauma Bleeding from other sites Associated Symptoms urinary and Systemic History of: bleeding disorders, SC, TB, Bilharzias & stone disease. Family History o:f Malignancy or hematological disorders. Drugs Colored food or drinks intake. Smoking History of Haematuria
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Renal Colic
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Renal Colic The commonest urologic emergency. One of the commonest causes of the “Acute Abdomen”.
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Renal Colic… Pain: Severe sudden onset colicky in nature Radiates May change in location, from the flank to the groin, (the location of the pain does not provide a good indication of the position of the stone) The patient cannot get comfortable, and may rolled around Associated with nausea / Vomiting
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Renal Colic… Differential diagnosis: Radiculitis ( pseudo-renal) Leaking abdominal aortic aneurysms Pneumonia Myocardial infarction Ovarian pathology (e.g., twisted ovarian cyst) Acute appendicitis Testicular torsion Inflammatory bowel disease (Crohn’s, ulcerative colitis) Diverticulitis Ectopic pregnancy Burst peptic ulcer Bowel obstruction
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Renal Colic… Work Up: History Examination: patient want to move around, in an attempt to find a comfortable position. +/- Fever Pregnancy test MSU U&E
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Radiological investigation :KUB RENAL COLIC (work-up)…
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RUS RENAL COLIC (work-up)…
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IVU RENAL COLIC (work-up)…
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RENAL COLIC (work-up)… Helical CTU Greater specificity (95%) and sensitivity (97%) Can identify other, non-stone causes of flank pain. No need for contrast administration. Faster, taking just a few minutes the cost of CTU is almost equivalent to that of IVU
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MRI Very accurate way of determining whether or not a stone is present in the ureters Time consuming Expensive Good for pregnant ladies RENAL COLIC (work-up)…
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Renal Colic (Management ) Pain relief NSAIDs Intramuscular or intravenous injection, by mouth, or per rectum +/- Opiate analgesics (pethidine or morphine). Hyper hydration ‘watchful waiting’ with analgesic supplements 95% of stones measuring 5mm or less pass spontaneously
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Renal Colic… Indications for Intervention To Relieve Obstruction and/or Remove the stone Pain that fails to respond to analgesics. Associated fever. Renal function is impaired because of the stone (solitary kidney obstructed by a stone, bilateral ureteric stones) Obstruction unrelieved ( not to exceed 4 weeks) Personal or occupational reasons
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Renal Colic… Surgical intervention: Temporary relief of the obstruction: Insertion of a JJ stent or percutaneous nephrostomy tube
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Definitive treatment: Extracorporeal Shockwaves Lithotripsy (ESWL). percutaneous nephrolithotomy (PCNL)
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Ureteroscopy (URS) Laparoscopic extraction
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Open Surgery: very limited
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Urinary Retention
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Urinary Retention Acute Urinary retention Chronic Urinary retention
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Acute Urinary retention Painful inability to void, with relief of pain following drainage of the bladder by catheterization.
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Acute Urinary retention… Causes: Men: Benign prostatic enlargement (BPE) due to BPH Carcinoma of the prostate Urethral stricture Prostatic abscess Stones Constipation Women Pelvic prolapse (cystocoele, rectocoele, uterine) Urethral stenosis Urethral diverticulum; Post surgery for ‘stress’ incontinence pelvic masses (e.g., ovarian masses)
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Acute Urinary retention… Initial Management Urethral catheterization Suprapubic catheter ( SPC)
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Late Management:Treating the underlying cause
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Chronic Urinary Retention Obstruction develops slowly, the bladder is distended (stretched) very gradually over weeks/months ( Pain not a feature) Usually associated with Reduced renal function. Upper tract dilatation
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Chronic urinary retention… Presentation: Urinary dribbling Overflow incontinence Palpable Bladder Symptoms of renal failure
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Chronic urinary retention… Management Treatment is directed to renal support. Bladder drainage Late treatment of cause.
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Acute Scrotum
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Acute Scrotum Emergency situation requiring prompt evaluation, differential diagnosis, and potentially immediate surgical exploration
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Acute Scrotum Differential Diagnosis: Torsion of the spermatic cord. Torsion of the appendix testis Torsion of the appendix epididymis Epididymitis Epididymo-orchitis Orchitis Hernia Trauma/ insect bite Dermatological lesion Inflammatory vascultits Neurological ( adductor tendonitis)
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Torsion of the Spermatic cord Most serious. Epididymitis. Most common
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Torsion of the Spermatic cord
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Torsion of the Spermatic cord Common among teenagers (12-18) years Possible in children and neonates Unlikely after the age of 25 years
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Torsion of the Spermatic Cord True surgical emergency of the highest order Irreversible ischemic injury to the testicular parenchyma may begin as soon as 4 hours Testicular salvage ↓ as duration of torsion ↑
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Torsion of the Spermatic Cord Anatomical variations
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Torsion of the Spermatic Cord… Presentation: Acute onset of scrotal pain. Majority with history of prior episodes of severe, self-limited scrotal pain and swelling Nausea/Vomiting Referred to the ipsilateral lower quadrant of the abdomen. Children might not complain of testicular pain Dysuria and other bladder symptoms are usually absent.
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Torsion of the Spermatic Cord… Physical examination: The affected testis is high riding transverse orientation Acute hydrocele or massive scrotal edema Cremasteric reflex is absent. Tender larger than other side Elevation of the scrotum causes more pain
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Torsion of the Spermatic Cord… Adjunctive tests: (If the diagnosis is clinically suspicious don’t delay the patient for any investigations). To aid in differential diagnosis of the acute scrotum. To confirm the absence of torsion of the cord. Doppler examination of the cord and testis High false-positive and false- negative
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Color Doppler ultrasound: Assessment of anatomy and determining the presence or absence of blood flow. Sensitivity: 88.9% specificity of 98.8% Operator dependent. Torsion of the Spermatic Cord…
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Radionuclide imaging : Assessment of testicular blood flow. A sensitivity of 90%, & specificity of 89%. False impression from hyperemia of scrotal wall. Not helpful in Hydrocele and Hematoma Torsion of the Spermatic Cord…
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Surgical exploration: A scrotal incision The affected side should be examined first The cord should be detorsed. Testes with marginal viability should be placed in warm and re-examined after several minutes. A necrotic testis should be removed If the testis is to be preserved, it should be fixed The contra-lateral testis must be fixed to prevent subsequent torsion Torsion of the Spermatic Cord…
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Epididymo-orchitis
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Epididymo-orchitis… Presentation: Indolent process. Scrotal swelling, erythema, and pain. Dysuria and fever is more common P/E : localized epididymal tenderness, a swollen and tender epididymis, or a massively swollen hemi-scrotum with absence of landmarks. Cremasteric reflex should be present Urine: pyuria, bacteriuria, or a positive urine culture
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Epid.Orchitis… Management: Bed rest for 1 to 3 days then relative restriction Scrotal elevation, the use of an athletic supporter parenteral antibiotic therapy should be instituted when UTI is documented or suspected. Urethral instrumentation should be avoided
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Priapism
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Priapism Persistent erection of the penis for more than4 hours that is not related or accompanied by sexual desire
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Priapism… 2 Types: Ischemic (veno-occlusive, low flow) (most common) Due to hematological disease, malignant infiltration of the corpora cavernosa with malignant disease, or drugs. Painful Non-ischemic (arterial, high flow). Due to perineal trauma, which creates an arterio-venous fistula. Painless
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Priapism… Causes: Primary (Idiopathic) : 30% - 50 % Secondary: Drugs Trauma Neurological Hematological disease Tumors
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Priapism… The diagnosis: Usually obvious from the history Duration of erection >4 hours? Is it painful or not?. Previous history and treatment of priapism ? Identify any predisposing factors and underlying cause
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Priapism… Examination Erect, tender penis (in low- flow) Characteristically the corpora cavernosa are rigid and the glans is flaccid. Abdomen for evidence of malignant disease DRE: to examine the prostate and check anal tone.
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Priapism… Investigations: CBC (white cell count and differential, reticulocyte count). Hemoglobin electrophoresis for sickle cell. Urinalysis including urine toxicology. Blood gases taken from either corpora; low-flow (dark blood; pH <7.25 (acidosis); pO2 <30mmHg (hypoxia); pCO2 >60mmHg (hypercapnia)) high-flow (bright red blood similar to arterial blood at room temperature; pH = 7.4; pO2 >90mmHg; pCO2 <40mmHg) Color flow duplex ultrasonography in cavernosal arteries; Ischemic (inflow low or nonexistent) Non-ischemic (inflow normal to high). Penile pudendal arteriography
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Priapism… Treatment: Depends on the type of priapism. Conservative treatment should first be tried Medical treatment Surgical treatment. Treatment of underlying cause
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Traumatic Urological Emergencies
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Traumatic Renal Trauma Ureteral Injury Bladder Trauma Urethral Injury External Genital Injury
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Renal Injuries
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Renal Injuries The kidneys relatively protected from traumatic injuries. Considerable degree of force is usually required to injure a kidney. Renal Injuries…
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Mechanisms and cause: Blunt direct blow or acceleration/ deceleration (road traffic accidents, falls from a height, fall onto flank) Penetrating knives, gunshots, iatrogenic, e.g., percutaneous nephrolithotomy (PCNL) Renal Injuries…
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Indications for renal imaging: Macroscopic haematuria Penetrating chest, flank, and abdominal wounds Microscopic [>5 red blood cells (RBCs) per high powered field] or dipstick Hypotensive patient (SBP <90mmHg ) A history of a rapid acceleration or deceleration Any child with microscopic or dipstick haematuria who has sustained trauma Renal Injuries…
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What Imaging Study? Renal Injuries…
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IVU:-Replaced by the contrast- enhanced CT-On-table IVU if patient is transferred immediately to the operating theatre without having had a CT scan and a retroperitoneal hematoma is found,
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Spiral non contrast CT: does not allow accurate staging
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Renal US: Advantages: can certainly establish the presence of two kidneys the presence of a retroperitoneal hematoma power Doppler can identify the presence of blood flow in the renal vessels Disadvantages: cannot accurately identify parenchymal tears, collecting system injuries, or extravasations of urine until a later stage when a urine collection has had time to accumulate. Renal Injuries…
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Contrast-enhanced CT:the imaging study of choice AccurateRapidImages other intra-abdominal structures
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Staging (Grading): Renal Injuries…
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Management: Conservative: Over 95% of blunt injuries 50% of renal stab injuries and 25% of renal gunshot wounds (specialized center). Include: Wide Bore IV line. IV antibiotics. Bed rest Vital signs monitoring. serial CBC (HCT) F/up US &/or CT. Renal Injuries…
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Surgical exploration: Persistent bleeding (persistent tachycardia and/or hypotension failing to respond to appropriate fluid and blood replacement Expanding peri-renal hematoma (again the patient will show signs of continued bleeding) Pulsatile peri-renal hematoma Renal Injuries…
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Ureteral Injuries
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Ureteral Injuries… The ureters are protected from external trauma by surrounding bony structures, muscles and other organs Causes and Mechanisms: External Trauma Internal Trauma
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Ureteral Injuries… External Trauma: Rare Severe force is required Blunt or penetrating. Blunt external trauma severe enough to injure the ureters will usually be associated with multiple other injuries Knife or bullet wound to the abdomen or chest may damage the ureter, as well as other organs.
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Ureteral Injuries… Internal Trauma Uncommon, but is more common than external trauma Surgery: Hysterectomy, oophorectomy, and sigmoidcolectomy Caesarean section Ureteroscopy Aortoiliac vascular graft replacement Laparoscopic Orthopedic operations
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Ureteral Injuries… Diagnosis: Requires a high index of suspicion Intra-operative: Late: 1. An ileus: the presence of urine within the peritoneal cavity 2. Prolonged postoperative fever or overt urinary sepsis 3. Persistent drainage of fluid from abdominal or pelvic drains, from the abdominal wound, or from the vagina. 4. Flank pain if the ureter has been ligated 5. An abdominal mass, representing a urinoma 6. Vague abdominal pain
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Ureteral Injuries… Treatment options: JJ stenting Primary closure of partial transaction of the ureter Direct ureter to ureter anastomosis Re-implantation of the ureter into the bladder using a psoas hitch or a Boari flap Trans uretero-ureterostomy Auto-transplantation of the kidney into the pelvis Replacement of the ureter with ileum Permanent cutaneous ureterostomy Nephrectomy
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Bladder Injuries
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Bladder Injuries… Causes: Iatrogenic injury Transurethral resection of bladder tumor (TURBT) Cystoscopic bladder biopsy Transurethral resection of prostate (TURP) Cystolitholapaxy Caesarean section, especially as an emergency Total hip replacement (very rare)
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Bladder Injuries… Penetrating trauma to the lower abdomen or back Blunt pelvic trauma—in association with pelvic fracture or ‘minor’ trauma in a drunkard patient Rapid deceleration injury seat belt injury with full bladder in the absence of a pelvic fracture Spontaneous rupture after bladder augmentation
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Bladder Injuries… Types of Perforation: A) intra-peritoneal perforation The peritoneum overlying the bladder, has been breached along with the wall the of the bladder, allowing urine to escape into the peritoneal cavity.
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B) extra-peritoneal perforation The peritoneum is intact and urine escapes into the space around the bladder, but not into the peritoneal cavity.
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Bladder Injuries… Presentation: Recognized intra-operatively The classic triad of symptoms and signs that are suggestive of a bladder rupture Suprapubic pain and tenderness Difficulty or inability in passing urine Haematuria
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Bladder Injuries… Management: Extra-peritoneal Bladder drainage +++++ Open repair + Intra peritoneal open repair…why? Unlikely to heal spontaneously. Usually large Leakage causes peritonitis Associated other organ injury.
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Urethral Injury
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Urethral Injuries Anterior urethral injuries Posterior urethral injuries
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Anterior urethral injuries: Rare Mechanism: The majority is a result of a straddle injury in boys or men. Direct injuries to the penis Penile fractures Inflating a catheter balloon in the anterior urethra Penetrating injuries by gunshot wounds.
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Anterior urethral injuries… Symptoms and signs: Meatal Bleeding Difficulty in passing urine Frank haematuria Hematoma may accumulate around the site of the rupture Penile swelling
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Anterior urethral injuries… Diagnosis: Retrograde urethrography ( Ascending urethrogram Contusion: no extravasation of contrast: Partial rupture : extravasation of contrast, with contrast also present in the bladder Complete disruption: no filling of the posterior urethra or bladder
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Anterior urethral injuries… Management: Contusion A small-gauge urethral catheter for one week Partial Rupture of Anterior Urethra No blind insertion of urethral catheterization ( may be by using cystoscopy and guide wire) Majority can be managed by suprapubic urinary diversion for one week Penetrating partial disruption (e.g., knife, gunshot wound), primary (immediate) repair.
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Anterior urethral injuries… Complete Rupture of Anterior Urethra patient is unstable a suprapubic catheter. patient is stable, the urethra may either be immediately repaired or a suprapubic catheter Penetrating Anterior Urethral Injuries generally managed by surgical debridement and repair
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Posterior urethral injuries Great majority of posterior urethral injuries occur in association with pelvic fractures 10% to 20% have an associated bladder rupture Signs: Blood at the meatus, gross hematuria, and perineal or scrotal bruising. High-riding prostate
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Posterior urethral injuries… Classification of posterior urethral injuries type I:(rare ) stretch injury with intact urethra type II : (25%) partial tear but some continuity remains) type III:(75%) complete tear with no evidence of continuity In women, partial rupture at the anterior position is the most common urethral injury associated with pelvic fracture.
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Posterior urethral injuries… Management: Stretch injury (type I) and incomplete urethral tears(type II) are best treated by stenting with a urethral catheter Type III Patient is at varying risk of urethral stricture, urinary incontinence, and erectile dysfunction (ED) Initial management with suprapubic cystotomy and attempting primary repair at 7 to 10 days after injury.
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External Genital injuries
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External Genital injuries… Penile Fracture
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Glans Injury Penile amputation and injuries
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Scrotal Injuries
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Female External genitalia injuriesManaged by Gynecologists unless the urethra is involved
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