Background Emphysematous pyelonephritis (EP) is a severe necrotizing infection of the renal parenchyma which is associated with significant case mortality. We sought to identify the incidence and predictive risk factors associated with EP mortality. Methods Two electronic databases, PubMed and Web of Science, were searched from their inception until June 06, 2021 for relevant articles. Two independent teams reviewed abstracts and extracted data from the selected manuscripts. A meta-analysis has been reported in line with PRISMA 2020 and AMSTAR Guidelines. Results Of the 1080 retrieved abstracts, 79 underwent full-text review and 45 studies were included in the final analysis, comprising a total cohort of 1303 patients and 177 mortalities. The pooled prevalence of mortality among the patients with EP disease was 13%. Our analysis found a significantly decreasing trend in mortality rates, an increasing trend in minimally invasive intervention and decreasing trends in emergency nephrectomy in the EP studies from 1985 to 2020. Significant risk factors that were associated with a negative impact on survival of EP patients included sepsis (OR = 15.99), shock (OR = 15.57), disturbance of consciousness (OR = 12.11), thrombocytopenia (OR 7.85), acute renal failure (OR = 5.41), Wan classification I (OR = 4.57), emergency nephrectomy (OR = 3.73), Huang-Tseng classification III-IV (OR = 2.4) and medical management alone (OR = 2.04). Female sex (OR = 0.52) and minimally invasive intervention (OR = 0.47) (percutaneous nephrostomy or ureteral stent placement) were associated with decreased mortality rates. Conclusions Our study results demonstrated several significant risk factors that could help guide treatment to reduce the mortality risk of EP patients. Clinically, early treatment with a combination of minimally invasive intervention and appropriate medical management may be protective for reducing mortality risk in EP patients.
Background Penile strangulation is an uncommon urological emergency that requires prompt intervention to avoid potentially serious sequelae including loss of the distal penis secondary to ischemia and subsequent gangrene. We present a case report of a patient who presented to the hospital with penile strangulation injury of 10-hour duration secondary to the presence of a thick hexagonal steel nut. This case is presented in accordance with Consensus Surgical Case Report guidelines. Case presentation A 24-year-old Vietnamese man presented to the emergency room with urinary retention and decreased penile sensation following a 10-hour history of penile strangulation due to the presence of a thick hexagonal steel nut that he had placed around the shaft of the penis for the purpose of sexual enhancement during masturbation. The hexagonal nut was tightly entrapping the penile shaft, resulting in edema, congestion, and swelling of the distal 5 cm of the phallus. Given the thickness of the foreign body as well as the degree of penile swelling, we were unable to remove the hexagonal nut using traditional methods of alleviating penile strangulation injuries. Following consultation with a dental colleague, a dental diamond drill handpiece was utilized to cut the foreign body without injury to the underlying penile skin. Subsequent follow-up in clinic demonstrated no significant urinary or sexual sequalae from this episode. Conclusion We report a case of penile strangulation requiring novel instrumentation and collaboration for successful treatment.
Background: This study aims to assess safety and efficacy of introducing robot-assisted laparoscopic donor nephrectomy (RALDN) to the standard retroperitoneal endoscopic living donor nephrectomy (RELDN) at a single institution transplant program. Methods: Data were collected prospectively from 68 consecutive living kidney donors (14 for RALDN subgroup and 54 RELDN subgroup) at a transplant center from February 2018 to September 2019. Patient baseline demographics, radiological findings, perioperative donor outcomes, recipient outcomes, and complications were recorded, and these parameters were compared between the two surgical groups. Results: For the entire group, mean age±standard deviation was 51.4±8.9 years (range, 29-68 years); 44.1% were males; mean body mass index (BMI) was 22.6±2.3 kg/m 2 (range, 15.6-27.3 kg/m 2); and there were 57 (84%) left kidneys. Preoperatively, there was no significant differences (P>0.05) between the two donor groups including gender, BMI, kidney side, hilar anatomy, and American Society of Anesthesiologists status. For perioperative outcomes, there was no significant differences (P>0.05) comparing RALDN and RELDN respectively for warm ischemic time (4.7±1.4 minutes vs. 4.8±1.4 minutes), operative time (232±43 minutes vs. 217±41 minutes), hemoglobin drop (7.5±5.8 g/L vs. 8.5±7.2 g/L), postoperative complications (7.1% vs. 7.4%), the donor blood creatinine at 1 month (1.13±0.22 mg/dL vs. 1.22±0.26 mg/dL), and the recipient blood creatinine at 1 month (1.25±0.28 mg/dL vs. 1.41±0.38 mg/dL). Conclusions: This study showed that RALDN can be safely introduced into living donor program experienced in laparoscopic donor nephrectomy.
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