Cystotomy in 6 Years Old Dog - Urolithiasis

Bladder stones, or uroliths, are a common cause of urinary tract disease in both dogs and cats. These mineralized formations can irritate the bladder wall, obstruct urine flow, and can lead to potentially life-threatening complications

Bladder stones form from the crystallization of minerals in the urine

Several types exist, with struvite and calcium oxalate being the most common in small animals

Struvite stones are often associated with urinary tract infections in dog

Calcium oxalate stones tend to form in sterile urine and are more likely to recur


History

Diagnostics

Treatment

A 5 years old Dog presented for recurrent hematuria - dysuria - straining to urinate for 1 week , Symptoms have worsened over the past 3 days

Abdominal Radiographs: Multiple radiopaque uroliths visible in the bladder

Ultrasound: Confirmed bladder stones, no evidence of renal involvement or ureteral obstruction

Cystotomy is the surgical option for treatment and indicated when :

Stones are too large or numerous to pass

Medical dissolution fails or is not appropriate (with calcium oxalate stones)

There is a urethral obstruction

Recurring infections are associated with stones

Immediate relief of obstruction or discomfort is necessary

Surgery

Multiple radiopaque uroliths visible in the bladder

Ventral midline approach from the umbilicus to the pelvic area

Bladder is exteriorized and ventral surface is exposed

Isolation of the bladder to prevent any unwanted contamination

Stapp incision in the most ventral part of the urinary bladder

1st stone removed

2nd stone removed with multiple small ones

Other stones removed

buried sutures to prevent tissue adhesion

suturing the 1st layer

Post-operative X-Ray

Post-operative X-Ray

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