Complications of Percutaneous Nephrolithotripsy Performed at the University of Alberta
CUA Online Library. Wollin T. 06/24/13; 31240; MP-02.04
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Abstract
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Title:
Complications of Percutaneous Nephrolithotripsy Performed at the University of Alberta
Authors:
Logan Zemp, Joey Roy, Tim Wollin, Trevor Schuler, Derek Bochinski
Introduction and Objectives:
Recently, the Clinical Research Office of the Endourological Society (CROES) established a worldwide percutaneous nephrolithotripsy (PCNL) database reporting clinical outcomes. The clinical experience and outcomes for PCNL at the University of Alberta (UofA) have not been previously described. The goal of this study is to ascertain the complications associated with PCNL at our center and compare these rates to those reported from the CROES database.
Methods:
A retrospective cohort study of consecutive PCNL performed by three surgeons at the UofA from February 2011 and February 2012 was performed. The patients’ medical records were reviewed for relevant patient, stone and treatment data. Intraoperative and postoperative complications were abstracted and the primary outcome was the 90-day complication rate, graded with the Clavien classification system.
Results.
A total of 178 patients were treated (102 M/76 F). The average age was 55.1 years. There were 105 right-sided, 67 left-sided, and 6 bilateral cases. Calculi were single, multiple, or staghorn in 33%, 41%, 28% respectively. The overall complication rate was 30.2%. Based on the Clavien classification system, these were found to be grade 1 in 26/178 or 14.6%, grade 2 in 15/178 or 8.4%, grade 3 in 10/178 or 5.6%, grade 4 in 2/178 or 1.2%, and grade 5 in 1/178 or 0.6%. Grade 3-4 complications included renal pelvis perforation (1.2%), pleural effusion (5.6%), and pneumothorax (0.6%). The stone free rate was found to be 85.3% and 88.8% of patients were treated with one procedure.
Conclusion:
Based on this retrospective cohort study, the complication rate for PCNL at the UofA is comparable to worldwide results. This data will be useful as we endeavor to construct and develop a prospective database to follow these clinical parameters more accurately and improve patient outcomes.
Complications of Percutaneous Nephrolithotripsy Performed at the University of Alberta
Authors:
Logan Zemp, Joey Roy, Tim Wollin, Trevor Schuler, Derek Bochinski
Introduction and Objectives:
Recently, the Clinical Research Office of the Endourological Society (CROES) established a worldwide percutaneous nephrolithotripsy (PCNL) database reporting clinical outcomes. The clinical experience and outcomes for PCNL at the University of Alberta (UofA) have not been previously described. The goal of this study is to ascertain the complications associated with PCNL at our center and compare these rates to those reported from the CROES database.
Methods:
A retrospective cohort study of consecutive PCNL performed by three surgeons at the UofA from February 2011 and February 2012 was performed. The patients’ medical records were reviewed for relevant patient, stone and treatment data. Intraoperative and postoperative complications were abstracted and the primary outcome was the 90-day complication rate, graded with the Clavien classification system.
Results.
A total of 178 patients were treated (102 M/76 F). The average age was 55.1 years. There were 105 right-sided, 67 left-sided, and 6 bilateral cases. Calculi were single, multiple, or staghorn in 33%, 41%, 28% respectively. The overall complication rate was 30.2%. Based on the Clavien classification system, these were found to be grade 1 in 26/178 or 14.6%, grade 2 in 15/178 or 8.4%, grade 3 in 10/178 or 5.6%, grade 4 in 2/178 or 1.2%, and grade 5 in 1/178 or 0.6%. Grade 3-4 complications included renal pelvis perforation (1.2%), pleural effusion (5.6%), and pneumothorax (0.6%). The stone free rate was found to be 85.3% and 88.8% of patients were treated with one procedure.
Conclusion:
Based on this retrospective cohort study, the complication rate for PCNL at the UofA is comparable to worldwide results. This data will be useful as we endeavor to construct and develop a prospective database to follow these clinical parameters more accurately and improve patient outcomes.
Title:
Complications of Percutaneous Nephrolithotripsy Performed at the University of Alberta
Authors:
Logan Zemp, Joey Roy, Tim Wollin, Trevor Schuler, Derek Bochinski
Introduction and Objectives:
Recently, the Clinical Research Office of the Endourological Society (CROES) established a worldwide percutaneous nephrolithotripsy (PCNL) database reporting clinical outcomes. The clinical experience and outcomes for PCNL at the University of Alberta (UofA) have not been previously described. The goal of this study is to ascertain the complications associated with PCNL at our center and compare these rates to those reported from the CROES database.
Methods:
A retrospective cohort study of consecutive PCNL performed by three surgeons at the UofA from February 2011 and February 2012 was performed. The patients’ medical records were reviewed for relevant patient, stone and treatment data. Intraoperative and postoperative complications were abstracted and the primary outcome was the 90-day complication rate, graded with the Clavien classification system.
Results.
A total of 178 patients were treated (102 M/76 F). The average age was 55.1 years. There were 105 right-sided, 67 left-sided, and 6 bilateral cases. Calculi were single, multiple, or staghorn in 33%, 41%, 28% respectively. The overall complication rate was 30.2%. Based on the Clavien classification system, these were found to be grade 1 in 26/178 or 14.6%, grade 2 in 15/178 or 8.4%, grade 3 in 10/178 or 5.6%, grade 4 in 2/178 or 1.2%, and grade 5 in 1/178 or 0.6%. Grade 3-4 complications included renal pelvis perforation (1.2%), pleural effusion (5.6%), and pneumothorax (0.6%). The stone free rate was found to be 85.3% and 88.8% of patients were treated with one procedure.
Conclusion:
Based on this retrospective cohort study, the complication rate for PCNL at the UofA is comparable to worldwide results. This data will be useful as we endeavor to construct and develop a prospective database to follow these clinical parameters more accurately and improve patient outcomes.
Complications of Percutaneous Nephrolithotripsy Performed at the University of Alberta
Authors:
Logan Zemp, Joey Roy, Tim Wollin, Trevor Schuler, Derek Bochinski
Introduction and Objectives:
Recently, the Clinical Research Office of the Endourological Society (CROES) established a worldwide percutaneous nephrolithotripsy (PCNL) database reporting clinical outcomes. The clinical experience and outcomes for PCNL at the University of Alberta (UofA) have not been previously described. The goal of this study is to ascertain the complications associated with PCNL at our center and compare these rates to those reported from the CROES database.
Methods:
A retrospective cohort study of consecutive PCNL performed by three surgeons at the UofA from February 2011 and February 2012 was performed. The patients’ medical records were reviewed for relevant patient, stone and treatment data. Intraoperative and postoperative complications were abstracted and the primary outcome was the 90-day complication rate, graded with the Clavien classification system.
Results.
A total of 178 patients were treated (102 M/76 F). The average age was 55.1 years. There were 105 right-sided, 67 left-sided, and 6 bilateral cases. Calculi were single, multiple, or staghorn in 33%, 41%, 28% respectively. The overall complication rate was 30.2%. Based on the Clavien classification system, these were found to be grade 1 in 26/178 or 14.6%, grade 2 in 15/178 or 8.4%, grade 3 in 10/178 or 5.6%, grade 4 in 2/178 or 1.2%, and grade 5 in 1/178 or 0.6%. Grade 3-4 complications included renal pelvis perforation (1.2%), pleural effusion (5.6%), and pneumothorax (0.6%). The stone free rate was found to be 85.3% and 88.8% of patients were treated with one procedure.
Conclusion:
Based on this retrospective cohort study, the complication rate for PCNL at the UofA is comparable to worldwide results. This data will be useful as we endeavor to construct and develop a prospective database to follow these clinical parameters more accurately and improve patient outcomes.
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