BACKGROUND AND PURPOSE: Tubeless percutaneous nephrolithotomy (PCNL) has gained popularity in an attempt to decrease morbidity and accelerate discharge. Recently, ambulatory tubeless PCNL has been reported. There are no data, however, regarding readmission rates of patients who had ambulatory PCNL. Therefore, the aim of this study was to assess rates of emergency department (ED) visits and readmissions postambulatory PCNL. PATIENTS AND METHODS: A retrospective chart review of all ambulatory PCNL cases at two institutions between March 2007 and December 2013 was performed. Preoperative, intraoperative, and postoperative data were collected including the amount of narcotics used, length of hospital stay, postoperative complications, returns to the ED, and readmissions. RESULTS: Fifty patients underwent ambulatory PCNL, including two bilateral cases, making up a total of 52 renal units. All patients were discharged home on the same day with a mean hospital stay of 208.32±73.43 minutes. The mean narcotic requirement was 41.13±46.76 mg of oral morphine equivalents. Six patients (12%) returned to the ED, all within 7 days. Four of these 6 patients were discharged; three with stent colic and one with wound cellulitis. Only two (4%) patients were readmitted-one with multiresistant Escherichia coli and one with uncomplicated stent colic. Overall stone-free rate was 90.4%. There were no major complications, while low grade (I-II) Clavien complications developed in 9 (18%) patients. CONCLUSION: Ambulatory PCNL is safe in highly selected patients with a stone-free rate of 90% and readmission rate of 4%. Prospective studies comparing standard PCNL with ambulatory PCNL are warranted.
BACKGROUND AND PURPOSE: Tubeless percutaneous nephrolithotomy (PCNL) has gained popularity in an attempt to decrease morbidity and accelerate discharge. Recently, ambulatory tubeless PCNL has been reported. There are no data, however, regarding readmission rates of patients who had ambulatory PCNL. Therefore, the aim of this study was to assess rates of emergency department (ED) visits and readmissions postambulatory PCNL. PATIENTS AND METHODS: A retrospective chart review of all ambulatory PCNL cases at two institutions between March 2007 and December 2013 was performed. Preoperative, intraoperative, and postoperative data were collected including the amount of narcotics used, length of hospital stay, postoperative complications, returns to the ED, and readmissions. RESULTS: Fifty patients underwent ambulatory PCNL, including two bilateral cases, making up a total of 52 renal units. All patients were discharged home on the same day with a mean hospital stay of 208.32±73.43 minutes. The mean narcotic requirement was 41.13±46.76 mg of oral morphine equivalents. Six patients (12%) returned to the ED, all within 7 days. Four of these 6 patients were discharged; three with stent colic and one with wound cellulitis. Only two (4%) patients were readmitted-one with multiresistant Escherichia coli and one with uncomplicated stent colic. Overall stone-free rate was 90.4%. There were no major complications, while low grade (I-II) Clavien complications developed in 9 (18%) patients. CONCLUSION: Ambulatory PCNL is safe in highly selected patients with a stone-free rate of 90% and readmission rate of 4%. Prospective studies comparing standard PCNL with ambulatory PCNL are warranted.
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