Pediatric Pyeloplasty Anesthesia Considerations - AnethAssist

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Pediatric Pyeloplasty for Ureteropelvic Junction Obstruction — What it is

Open, laparoscopic, or robotic reconstruction of an obstructed UPJ, usually by dismembered Anderson-Hynes pyeloplasty with selected stent, drain, or nephrostomy.

Pediatric Pyeloplasty for Ureteropelvic Junction Obstruction — Common indications

Fetal hydronephrosis from UPJ obstruction, decreased renal function, or flank pain.

Pediatric Pyeloplasty for Ureteropelvic Junction Obstruction — Position

Prone or modified lateral for open repair; modified flank for robotic repair.

Pediatric Pyeloplasty for Ureteropelvic Junction Obstruction — Surgical access

Dorsal lumbotomy or subcostal flank retroperitoneal exposure; robotic repair uses intraperitoneal ports and abdominal insufflation.

Pediatric Pyeloplasty for Ureteropelvic Junction Obstruction — Typical duration

Approximately 2.5 h open and up to 4 h robotic.

Pediatric Pyeloplasty for Ureteropelvic Junction Obstruction — Expected blood loss

Minimal.

Pediatric Pyeloplasty for Ureteropelvic Junction Obstruction — Pain and stimulation

Pain score 10 after flank incision, 5 after lumbotomy, and about 4 after robotic repair.

Pediatric Pyeloplasty for Ureteropelvic Junction Obstruction — Anesthetic options

GETA with active warming and optional epidural or caudal analgesia; plan limited access and physiologic effects before robotic docking.

Pediatric Pyeloplasty for Ureteropelvic Junction Obstruction — Airway

Secure the ETT before prone or flank positioning; access becomes severely limited after robotic docking.

Pediatric Pyeloplasty for Ureteropelvic Junction Obstruction — IV and blood preparation

One upper-extremity IV usually suffices; add access according to renal dysfunction, robotic duration, age, and anticipated blood loss.

Pediatric Pyeloplasty for Ureteropelvic Junction Obstruction — Monitoring

Standard monitors and urinary catheter; add arterial pressure, electrolytes, ABG, and hematocrit for renal failure, hypertension, or instability.

Pediatric Pyeloplasty for Ureteropelvic Junction Obstruction — Ventilation and physiology

Controlled ventilation is required; flank positioning and pneumoperitoneum can increase airway pressure, impair ventilation, and reduce venous return.

Pediatric Pyeloplasty for Ureteropelvic Junction Obstruction — Regional options

Epidural or caudal analgesia requires normal coagulation; local infiltration and acetaminophen reduce first-day pain.

Pediatric Pyeloplasty for Ureteropelvic Junction Obstruction — Positioning risks

Brachial-plexus injury, eye injury, ETT movement, pressure injury, restricted expansion, table-roll instability, and inaccessible patient after robotic docking.

Pediatric Pyeloplasty for Ureteropelvic Junction Obstruction — Major intraoperative risks

Bleeding, urine leak, anastomotic injury, hemodynamic effects of insufflation, trocar or thermal injury, carbon-dioxide embolus, and positioning injury.

Pediatric Pyeloplasty for Ureteropelvic Junction Obstruction — Major postoperative risks

Bleeding under 5%, infection under 5%, ileus under 5%, hypovolemia, anemia, hypothermia, electrolyte abnormalities, coagulopathy, and metabolic or respiratory acidosis.

Pediatric Pyeloplasty for Ureteropelvic Junction Obstruction — Postoperative destination

PACU to ward; escalate for renal failure, respiratory compromise, major bleeding, or hemodynamic instability.

Pediatric Pyeloplasty for Ureteropelvic Junction Obstruction — Critical communication

Confirm open, laparoscopic, or robotic approach; stent, nephrostomy, drain, catheter, docking, test-roll, renal-function, and postoperative analgesia plans.

Pediatric Pyeloplasty for Ureteropelvic Junction Obstruction — Fast pearl

Clarify every planned drainage device before selecting regional analgesia or postoperative catheter management.