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Pearl-unjammed: the Seattle stone maneuver for ureteropelvic junction urolithiasis.

ABSTRACT: Renal colic encounters are common; in the United States alone, they represent greater than one million annual emergency department (ED) visits. Most of these stones are managed conservatively with a trial of passage. However, some lead to repeat colic episodes, secondary ED visits, increased anxiety, and increased cost. Of the 5%-10% of symptomatic stones that become lodged at the ureteropelvic junction and are larger than 5 mm, most require operative intervention. In the process of executing a NASA-funded study of ultrasonic repositioning of kidney stones, the subject was administered fluid to dilate the collecting system, placed in Trendelenburg bed positioning, and rolled to both sides. During this process a symptomatic, obstructing 9-mm ureteropelvic junction stone moved back into the kidney's lower pole/infundibulum and symptoms were immediately resolved. The patient remained asymptomatic for a period of 5 weeks at which point elective intervention was scheduled. This case demonstrates that ureteropelvic junction stones may be repositioned in a non-invasive manner, turning a stone that requires urgent intervention into one that can be managed electively.

SUBMITTER: Hall MK

PROVIDER: S-EPMC7329006 | biostudies-literature | 2020 Jun

REPOSITORIES: biostudies-literature

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Pearl-unjammed: the Seattle stone maneuver for ureteropelvic junction urolithiasis.

Hall M Kennedy MK Samson Patrick C PC Kessler Ross R Lehnhardt Kris K Easter Benjamin B Thiel Jeff J Wessells Hunter H Bailey Michael R MR Harper Jonathan D JD

Journal of the American College of Emergency Physicians open 20200325 3

Renal colic encounters are common; in the United States alone, they represent greater than one million annual emergency department (ED) visits. Most of these stones are managed conservatively with a trial of passage. However, some lead to repeat colic episodes, secondary ED visits, increased anxiety, and increased cost. Of the 5%-10% of symptomatic stones that become lodged at the ureteropelvic junction and are larger than 5 mm, most require operative intervention. In the process of executing a ...[more]

PMID: 32613205

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Project description:Introduction stating the aim of the study: Robot-assisted laparoscopic pyeloplasty (RALP) is gaining acceptance among pediatric urologists. Few studies have evaluated the retroperitoneal approach for RALP. We share our experience from the first 2 years of a multidisciplinary pediatric robotic program in our center. Patients (or Materials) and Methods: We performed a retrospective analysis of prospectively collected data of children undergoing RALP for ureteropelvic junction obstruction (n = 50). Diagnosis was confirmed by ultrasound and Tc-99m mercaptoacetyltriglycine renal scan or MRI; the same criteria were used to evaluate outcome. Surgical approach was chosen according to a specific algorithm. Transperitoneal approach (n = 13) was reserved for horseshoe kidney, ectopic kidney, and redo surgery. We analyzed the 37 cases performed by a lateral retroperitoneal approach. Dismembered pyeloplasty was done for all cases and anastomosis was performed using a running monofilament 6/0 absorbable suture. All were drained by double J stent. Patient data, operating room parameters and postoperative course were recorded. Results: The median age was 7.9 years (5.1-13.8); the youngest was 2 years old. The median weight was 23 kg (17-41) with the smallest weighing 12.4 kg. Aberrant crossing vessels were present in 18 children. Median set-up time, from skin incision until the end of the 4-port insertion, was 33 min (29-48). Median surgeon's console time was 151 min (136-182). No conversion to an open procedure was necessary. The postoperative course was free of complications, except urinary tract infection in 6 children. All but 4 patients were discharged on day one. Median follow-up was 9 months (5-13). Redo pyeloplasty was not required. Practical training of other colleagues was possible after 10 cases performed by the same surgeon. Conclusion: These preliminary results suggest that retroperitoneal RALP in children is feasible, safe and effective. It is an excellent option with ideal anatomical exposure. Longer term results as well as continued practice will identify and overcome any challenges and enable surgical mastery of this procedure which is still evolving.

Project description:BackgroundMultiple surgical treatment options are available for the treatment of ureteropelvic junction obstruction (UPJO). The aim of this study is to compare the most frequently used technics in a comprehensive network approach.MethodsA systematic literature search of the EMBASE, MEDLINE and COCHRANE libraries was conducted in January 2018. Publications were included that evaluated at least two of the following surgical techniques: open pyeloplasty (OP), endopyelotomy (EP), laparoscopic (LP) and robot assisted pyeloplasty (RP). Main outcomes were operative success, complications, urinary leakage, re-operation, transfusion rate, operating time, and length of stay. Network meta-analyses with random effects models simultaneously assessed effectiveness of all surgical techniques.ResultsA total of 26 studies including 3143 patients were analyzed. Compared with RP, EP and LP showed lower operative success rates (EP: OR?=?0.09, 95%CI:0.05-0.19; p <?0.001; LP: OR?=?0.51, 95%CI:0.31-0.84; p =?0.008). Compared with OP, LP and RP had lower risk for complications (LP: OR?=?0.62; 95%CI:0.41-0.95; p =?0.027; RP: OR?=?0.41; 95%CI:0.22-0.79; p =?0.007). Compared with RP, no significant differences were detected for urinary leakage or re-operation, transfusion rates. Compared with EP, RP yielded longer operating time (mean?=?102.87?min, 95%CI:41.79?min-163.95?min, p =?<?0.001). Further significant differences in operating times were detected when comparing LP to EP (mean?=?115.13?min, 95%CI:65.63?min-164.63?min, p =?<?0.001) and OP to EP (mean?=?91.96?min, 95%CI:32.33?min-151.58?min, p =?0.003).ConclusionsMultiple surgical techniques are available for treatment of UPJO. RP has the highest rates of operative success and as well as LP lower complication rates than OP. Although surgical outcomes are worse for EP, its operating time is shorter than OP, RP, and LP. Surgeons should consider these findings when selecting the optimal treatment method for individual patients.

Dataset Information

Pearl-unjammed: the Seattle stone maneuver for ureteropelvic junction urolithiasis.

Publications

Pearl-unjammed: the Seattle stone maneuver for ureteropelvic junction urolithiasis.

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