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URETERIC INJURY AND
THEIR MANAGEMENT
SPEAKER : DR. SAGNIK RAY
CHAIRPERSONS : PROF. D .KARMAKAR
PROF S S BHOJ
DR. A K SAHA
ANATOMY-COURSE & RELATION
• 25 cm
• Upper part over psoas
• Proximal part-lateral to
gonadal vessel
• Distal part- medial
COURSE & RELATION….CONTD.(ABOVE PELVIC
BRIM)
Left ureter :Crossed by left
colic vessels
Intimate relation-sigmoid
colon & mesocolon
Enters pelvis at bifurcation
of common iliac
Rt ureter : Crossed by rt
colic & ileocolic vessels
Intimate relation-ascending
colon
Enters pelvic brim at
bifurcation of common iliac
BELOW PELVIC BRIM
FEMALE
• Ovarian vessels closely
related.
• Uterine vessels :crosses
ureter
MALE
• Testicular vessels :-separate
and follow external iliac
vessel
• Ureter pass inferior to vas
and anterior to seminal
vescicle
PELVIC URETER-FEMALE
BLOOD SUPPLY
CONSTRICTIONS OF URETER & COMMON SITES OF
INJURY
URETRIC INJURY :SALIENT FEATURES
• Rare-----
Small size
Mobilility
Protected by vertebrae,bony pelvis & muscle
• 1-2.5%
ETIOLOGY
• Commonest: Iatrogenic….. open, laparscopy, endoscopy
• Penetrating…….Gunshot injury
• Blunt trauma : Deceleration injury
IATROGENIC INJURY------MECHANISM
• Ligation/kinking
• Crushing by a clamp
• Partial/incomplete transection
• Thermal injury
• Ischemia from devascularisation
INCIDENCE OF URETERAL INJURY IN VARIOUS
PROCEDURES
PROCEDURE PERCENTAGE(%)
1)GYNECOLOGICAL
Vaginal hysterectomy 0.02-0.5
Abdominal hysterectomy 0.03-2
Lap hysterectomy 0.2-6.0
Urogynecological procedure 1.7-3.0
2)Colorectal surgery 0.15-10.0
3)Ureteroscopy
Mucosal abrasion 0.3-4.1
Ureteral perforation 0.2-2.0
Intussucception/avulsion 0-0.3
MANAGEMENT
1. History & physical examination
2. Investigation
3. Treatment
HISTORY /PHYSICAL EXAM
• High degree of suspicion
• Hematuria :poor sensitivity…50-75%
• Iatrogenic :IV dye Indigo carmine intra op.
CLINICAL FEATURES OF MISSED INJURY
1)URINOMA formation ……
Persistant low grade fever
Peritonitis
Flank pain
Paralytic ileas
CONTD…
• 2)ureterovaginal fistula
• 3)ureterovesicle fistula
RADIOLOGICAL INVESTIGATIONS
IVP(WITH LATERAL FILMS)
1. IVP : Never one shot
Abnormal findings needs further investigation.
• Abnormal findings are :
I. Ureteral dilation/deviation
II. Incomplete deviation of total ureter
III. Delayed or no visualisation of renal unit
IV. Urinary/contrast extravasation
CONTAST CT SCAN
• Delayed phase
• At 10 mins.
IF CT/IVP IS NON DIAGNOSTIC…….
• RETROGRADE /ANTEGRADE UROGRAPHY IS GOLD
STANDARD
PRINCIPLES OF URETERIC INJURY
RECONSTRUCTION
1. Debridement of necrotic tissue.
2. Spatulation of ureteral ends
3. Watertight mucosa to mucosa with absorbable suture
4. Internal stenting
5. External drain
6. Isolation of injury with omentum/peritonium
TREATMENT DEPENDS UPON…….
1. Timing of diagnosis
2. Type of injury
3. Length of injury
4. Site of injury
5. Condition of patient
MANAGEMENT OF DELAYED (>2WKS) RECOGNISED
INJURY
• Stabilse the patient
• Proximal ureteric drainage with percutaneous
nephrostomy.
TECHNIQUES OF MANAGEMENT
URETERONEOCYSTOSTOMY
LOWER THIRD
• Reimplantation of proximal end of ureter on bladder.
• Reimplantation done in an antireflux fashion…..prevent
long term kidney infection.
• PSOAS HITCH……Bladdar fixed to psoas.
• If ureter only ligated….primary ureteroureterostomy can
be done.
REIMPLANTATION
PSOAS HITCH
UPPER & MIDDLE THIRD
• Primary uretero ureterostomy
• Transuretero ureterostomy (option in extensive ureteral
loss or when pelvic injuries preclude ureteral
reimplantation.)
PRIMARY URETEROURETEROSTOMY
TRANSURETEROURETEROSTOMY
URETERAL REIMPLANTATION WITH BOARIS FLAP
• In extensive mid-lower ureteral injury, the large gap can
be bridged with a tabularised L-shaped bladder flap. It is a
time-consuming operation and not usually suitable in the
acute setting.
BOARI FLAP
ILEAL INTERPOSITION FLAP
• If it is necessary to replace the entire ureter or a long
ureteral segment, the ureter can be replaced using a
segment of the intestines, usually the ileum.
• This should be avoided in patients with impaired renal
function or known intestinal disease.
ILEAL TRANSPOSITION FLAP
• The ileal segment is placed in the isoperistaltic orientation
between the renal pelvis and the bladder.
• Follow up: Serum chemistry to diagnose hyperchloremic
metabolic acidosis.
• Long term complication: fistula(6%) and stricture(3%)
PREVENTION OF IATROGENIC TRAUMA
• Proper identification during operation
• Pre op stenting
• Intra op cystoscopy
THANK YOU

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Charaka Samhita Sutra sthana Chapter 15 Upakalpaniyaadhyaya
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Charaka Samhita Sutra sthana Chapter 15 Upakalpaniyaadhyaya
 

Ureteric injury

  • 1. URETERIC INJURY AND THEIR MANAGEMENT SPEAKER : DR. SAGNIK RAY CHAIRPERSONS : PROF. D .KARMAKAR PROF S S BHOJ DR. A K SAHA
  • 2. ANATOMY-COURSE & RELATION • 25 cm • Upper part over psoas • Proximal part-lateral to gonadal vessel • Distal part- medial
  • 3. COURSE & RELATION….CONTD.(ABOVE PELVIC BRIM) Left ureter :Crossed by left colic vessels Intimate relation-sigmoid colon & mesocolon Enters pelvis at bifurcation of common iliac Rt ureter : Crossed by rt colic & ileocolic vessels Intimate relation-ascending colon Enters pelvic brim at bifurcation of common iliac
  • 4. BELOW PELVIC BRIM FEMALE • Ovarian vessels closely related. • Uterine vessels :crosses ureter MALE • Testicular vessels :-separate and follow external iliac vessel • Ureter pass inferior to vas and anterior to seminal vescicle
  • 7. CONSTRICTIONS OF URETER & COMMON SITES OF INJURY
  • 8. URETRIC INJURY :SALIENT FEATURES • Rare----- Small size Mobilility Protected by vertebrae,bony pelvis & muscle • 1-2.5%
  • 9. ETIOLOGY • Commonest: Iatrogenic….. open, laparscopy, endoscopy • Penetrating…….Gunshot injury • Blunt trauma : Deceleration injury
  • 10. IATROGENIC INJURY------MECHANISM • Ligation/kinking • Crushing by a clamp • Partial/incomplete transection • Thermal injury • Ischemia from devascularisation
  • 11. INCIDENCE OF URETERAL INJURY IN VARIOUS PROCEDURES PROCEDURE PERCENTAGE(%) 1)GYNECOLOGICAL Vaginal hysterectomy 0.02-0.5 Abdominal hysterectomy 0.03-2 Lap hysterectomy 0.2-6.0 Urogynecological procedure 1.7-3.0 2)Colorectal surgery 0.15-10.0 3)Ureteroscopy Mucosal abrasion 0.3-4.1 Ureteral perforation 0.2-2.0 Intussucception/avulsion 0-0.3
  • 12. MANAGEMENT 1. History & physical examination 2. Investigation 3. Treatment
  • 13. HISTORY /PHYSICAL EXAM • High degree of suspicion • Hematuria :poor sensitivity…50-75% • Iatrogenic :IV dye Indigo carmine intra op.
  • 14. CLINICAL FEATURES OF MISSED INJURY 1)URINOMA formation …… Persistant low grade fever Peritonitis Flank pain Paralytic ileas
  • 15. CONTD… • 2)ureterovaginal fistula • 3)ureterovesicle fistula
  • 16. RADIOLOGICAL INVESTIGATIONS IVP(WITH LATERAL FILMS) 1. IVP : Never one shot Abnormal findings needs further investigation. • Abnormal findings are : I. Ureteral dilation/deviation II. Incomplete deviation of total ureter III. Delayed or no visualisation of renal unit IV. Urinary/contrast extravasation
  • 17. CONTAST CT SCAN • Delayed phase • At 10 mins.
  • 18. IF CT/IVP IS NON DIAGNOSTIC……. • RETROGRADE /ANTEGRADE UROGRAPHY IS GOLD STANDARD
  • 19. PRINCIPLES OF URETERIC INJURY RECONSTRUCTION 1. Debridement of necrotic tissue. 2. Spatulation of ureteral ends 3. Watertight mucosa to mucosa with absorbable suture 4. Internal stenting 5. External drain 6. Isolation of injury with omentum/peritonium
  • 20. TREATMENT DEPENDS UPON……. 1. Timing of diagnosis 2. Type of injury 3. Length of injury 4. Site of injury 5. Condition of patient
  • 21. MANAGEMENT OF DELAYED (>2WKS) RECOGNISED INJURY • Stabilse the patient • Proximal ureteric drainage with percutaneous nephrostomy.
  • 23. LOWER THIRD • Reimplantation of proximal end of ureter on bladder. • Reimplantation done in an antireflux fashion…..prevent long term kidney infection. • PSOAS HITCH……Bladdar fixed to psoas. • If ureter only ligated….primary ureteroureterostomy can be done.
  • 26. UPPER & MIDDLE THIRD • Primary uretero ureterostomy • Transuretero ureterostomy (option in extensive ureteral loss or when pelvic injuries preclude ureteral reimplantation.)
  • 29. URETERAL REIMPLANTATION WITH BOARIS FLAP • In extensive mid-lower ureteral injury, the large gap can be bridged with a tabularised L-shaped bladder flap. It is a time-consuming operation and not usually suitable in the acute setting.
  • 31. ILEAL INTERPOSITION FLAP • If it is necessary to replace the entire ureter or a long ureteral segment, the ureter can be replaced using a segment of the intestines, usually the ileum. • This should be avoided in patients with impaired renal function or known intestinal disease.
  • 33. • The ileal segment is placed in the isoperistaltic orientation between the renal pelvis and the bladder. • Follow up: Serum chemistry to diagnose hyperchloremic metabolic acidosis. • Long term complication: fistula(6%) and stricture(3%)
  • 34. PREVENTION OF IATROGENIC TRAUMA • Proper identification during operation • Pre op stenting • Intra op cystoscopy