Robotic-assisted pyeloplasty for ureteropelvic junction obstruction

Introduction

We present a case of ureteropelvic junction obstruction secondary to aberrant crossing gonadal vessels in a symptomatic 11-year-old female with horseshoe kidney, treated with a robotic-assisted pyeloplasty.

Diagnostic Evaluation

The patient presented with intermittent right-sided flank pain and vomiting. Renal ultrasound showed right-sided hydronephrosis and an abnormal-shaped kidney. MAG-3 renal scan demonstrated decreased function of the right kidney and no drainage. A MR Urogram showed a horseshoe type kidney with malrotation and an anterior dilated renal pelvis.

Surgical Technique

The patient underwent a robotic-assisted dismembered pyeloplasty. Intraoperatively, the right kidney was confirmed to be malrotated with a large, anteriorly directed renal pelvis. A packet of aberrant crossing gonadal vessels was identified and dissected from the right ureter and surrounding tissue. The ureter was sharply divided at the level of the ureteropelvic junction and transposed above the crossing vessels. A tension free mucosal to mucosal water-tight anastomosis was performed starting at the apex of the incision. A double-J stent was introduced into the ureter. The remainder of the anastomosis was completed with interrupted sutures. There were no intraoperative or postoperative complications.

Conclusions

Robotic-assisted dismembered pyeloplasty is a safe and effective method for UPJO correction in symptomatic patients with complex renal anatomy.

Pediatric Tracheostomy

Paediatric Tracheostomy

Position the child with chin extension appropriately
Drape the child as shown in the video
Mark the incision line
Use 15 number blade for skin incision
Remove the excessive subcutaneous fat tissue
Find the median raphe and strap muscles
Retract the strap muscles laterally
Identify the tracheal ring
Create the impression of tube for appropriate size incision
Place the stay sutures as shown in the video
incise the trachea with 11 number blade
Secure the maturation sutures
Insert the tracheostomy tube
Confirm the position and then inflate the cuff
Secure the ties and dressing at the end.

Sinus Venosus ASD Repair

This video demonstrates a sinus venosus ASD repair with the two patch repair technique.

Authors: Emily Goodman; Brian Reemtsen, MD; Markus Renno, MD; Christian Eisenring, ACNP-BC; Lawrence Greiten, MD University of Arkansas for  Medical Sciences College of Medicine, Little Rock, AR Arkansas Children’s Hospital, Little Rock, AR

Complete Repair of Total Anomalous Venous Return

Complete repair of a total anomalous pulmonary venous return. Also shown is a primary closure of a patent foramen ovale and patent ductus arteriosus. The patient is placed on cardiopulmonary bypass (CPB) in the standard fashion. The patient is then crash cooled to 20 degrees celsius with ice placed on the head and administration of steroids. Antegrade cardioplegia is then administered. The large confluent vein (vertical vein) is dissected and an arteriotomy is made, a subsequent atriotomy is made in the left atrial appendage. A side to side anastomosis using polypropylene suture in a continuous running fashion. The right atrium is then opened and the patent foramen ovale is closed. The patient was warmed to a satisfactory temperature and once adequate hemostasis was achieved the vertical vein is ligated at its insertion into the innominate vein.

Sinus Venosus ASD Repair

This video demonstrates a sinus venosus ASD repair with the two patch repair technique.

Authors: Emily Goodman; Brian Reemtsen, MD; Markus Renno, MD; Christian Eisenring, ACNP-BC; Lawrence Greiten, MD

University of Arkansas for  Medical Sciences College of Medicine, Little Rock, AR

Arkansas Children’s Hospital, Little Rock, AR

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