INTRODUCTION Holmium laser enucleation of the prostate (HoLEP) is considered a size-independent gold standard for benign prostatic hyperplasia (BPH), and there is no upper limit of prostate weight that can… Click to show full abstract
INTRODUCTION Holmium laser enucleation of the prostate (HoLEP) is considered a size-independent gold standard for benign prostatic hyperplasia (BPH), and there is no upper limit of prostate weight that can be treated. Tissue retrieval can be time-consuming in cases of significant prostatic enlargement, which may lead to intraoperative hypothermia. As there are few studies on perioperative hypothermia in HoLEP, we conducted a retrospective study of patients who underwent HoLEP at our hospital. METHODS The data of 147 patients who underwent HoLEP at our hospital were retrospectively collected and analyzed for the occurrence of intraoperative hypothermia (temperature <36°C); age, body mass index (BMI), anesthesia method, body temperature, total fluid infusion, operation time, and irrigation fluid were the explanatory variables. RESULTS Intraoperative hypothermia was observed in 46 of 147 patients (31.3%). Simple logistic regression analysis showed that age (odds ratio [OR]: 1.07, 95% confidence interval [CI]: 1.01-1.13, p = 0.021), BMI (OR: 0.84, 95% CI: 0.72-0.96, p = 0.017), spinal anesthesia (OR: 4.92, 95% CI: 1.86-14.99, p = 0.002), and surgical time (OR: 1.04, 95% CI: 1.01-1.06, p = 0.006) were predictors of hypothermia. The decrease in body temperature was more pronounced with longer-duration surgery and reached 0.58°C at 180 min. CONCLUSION General anesthesia, instead of spinal anesthesia, is recommended in high-risk patients with advanced age or low BMI to avoid intraoperative hypothermia during HoLEP. Two-stage morcellation may be considered for large adenomas, when a prolonged operative time and hypothermia are anticipated.
               
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