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Table 2 Cases with intraoperative penile erection (n = 9)

From: The utility of intravenous ketamine for the management of intraoperative penile erection: a retrospective single-center analysis of endourological surgeries over a 4-year

CaseASATypeof surgeryDuration of surgeryAnesthesia/LevelOnset of erectionTreatmentOutcome
11TURP55Spinal/T10Post-urethroscopeKetamine 75 mgConversion to GA
21TURP90Spinal/T8Post-urethroscopeKetamine 25 mgDelayed procedure
32TURBT130Spinal/T8Post-urethroscopeKetamine 50 mgConversion to GA
41TURP140Spinal/T10Pre-urethroscopeKetamine 25 mgDelayed procedure
52TURBT40Spinal/T10Post-urethroscopeKetamine 20 mgDelayed procedure
62TURP90Spinal/T8Post-urethroscopeKetamine 21 mgDelayed procedure
71TURP95Spinal/T8Post-urethroscopeKetamine 18 mgDelayed procedure
81TURP90Spinal/T10Pre-urethroscopeKetamine 25 mgDelayed procedure
92TURP95Spinal/T8Post-urethroscopeKetamine 50 mgDelayed procedure
Total (n = 9)
Age (years)Mean (SD) 68.3 (6.6)    
Weight (kg), mean (SD)Median (IQR) 69.0 (8)    
Median (IQR)  80.7 (7.8)    
Height (cm), mean (SD)  82 (6)    
Median (IQR) 172 (5)174.6 (7.7)    
ASA physical status       
category, n (%)I 5 (55.6)    
Type of operation, n (%)II 4 (44.4)    
TURP 7 (77.8)    
Type of anesthesia, n (%)TURBT 2 (22.2)    
Spinal 9 (100.0)    
Level of anesthesia, n (%)General 0 (0.0)    
T10 4 (44.4)    
T8 Post 5 (55.6)    
Onset of erectionurethroscope Pre 7 (77.8)    
urethroscope 2 (22.2)    
Ketamine total dose (mg)Mean (SD) 34.3 (19.5)    
 Median (min-max) 25.0 (18.0–75.0)    
Duration of operation (min)Mean (SD) 91.7 (31.3)    
Median (min-max) 90.0 (40.0–140.0)    
Outcome, n (%)Resolved-delayed procedure 7 (77.8)    
Conversion to general anesthesia 2 (22.2)    
  1. ASA American Society of Anesthesiologists, TURP Transurethral resection of the prostate, TURBT transurethral resection of bladder tumor