Objective: Transversus abdominis plane (TAP) block is a form of multimodal pain management in open abdominal surgery. Among patients who undergo kidney transplantation, their choice of painkillers is limited. This study aims to determine the efficacy of TAP block vs local infiltration in pain management after kidney transplantation.Materials and Methods: In this prospective, randomized, double-blinded clinical trial, 46 patients with end-stage kidney disease who had undergone kidney transplantation were randomly divided into two groups: a local anesthetic infiltration (LA) group receiving 0.25% Bupivacaine 20 ml around the surgical wound before wound closure and a TAP block group receiving 0.25% Bupivacaine 20 ml by the inside-out technique. Their postoperative pain scores and morphine consumption were recorded at 2, 6, 12, 18, 24, and 48 hours.Results: There was no statistically significant difference in the baseline characteristics between the groups. The postoperative pain score at two hours in the TAP block group was significantly lower than in the LA group (P value = 0.037), but without other differences in their pain scores after two hours. There was no statistical difference in the morphine consumption between the two groups. The total morphine consumption in the TAP block group was less than in the LA group, but this was not statistically significant. No patients suffered from complications of the TAP block.Conclusion: Transversus abdominis plane block can reduce postoperative pain at two hours after kidney transplantation, without significant complications.
OBJECTIVE: To evaluate surgical and oncological outcomes after surgery in renal cell carcinoma (RCC) patients with inferior vena cava (IVC) tumor thrombus METHODS: A total of 58 patients from 2002 to 2019 underwent radical nephrectomy and IVC thrombectomy at Siriraj Hospital, Bangkok, Thailand, were retrospectively reviewed. Kaplan-Meier analysis was utilized to compare survival benefits between cohorts and Cox regression to evaluate predictors of patient survival. RESULTS: There were 5 (8.6%), 21 (36.2%), 23 (39.7%) and 9 (15.5%) patients with tumor thrombus level I, II, III and IV respectively. The major complications (Clavien 3-5) were observed in 15 patients (25.8%) and 80% were patients with high thrombus level (III-IV). There was 9% mortality (5 patients): 2 intraoperatively and 3 postoperatively. Median follow-up was 15 months (IQR:5-41). Two-year overall survival (OS) was 80% and 75% in all patients and pN0M0 cohort, respectively. There was significant difference in OS among each IVC thrombus level cohort (p<0.02). Two-year OS of metastatic RCC patients was 67% and not significantly different when compared to non-metastatic cohort (p=0.12). On multivariate analysis, only sarcomatoid dedifferentiation was associated with OS (p=0.04). Disease-free survival was not significantly different among thrombus-level cohorts (p=0.65). CONCLUSION: Our study suggested that surgical treatment for RCC with IVC thrombus provided acceptable OS outcomes, even in a small volume experience. Although the survival was significantly reduced with higher IVC thrombus level cohort, the level of thrombus itself was not an independent factor. Only sarcomatoid dedifferentiation was a predictor for OS after radical nephrectomy and tumor thrombectomy.
Objective: To study the safety and efficacy of retrograde intrarenal surgery (RIRS) in patients with staghorn stones. Materials and Methods: This retrospective observational study was carried out between May 2016 and October 2020, which is when we performed RIRS in staghorn stone patients. Medical records of all patients with this condition in the database of Siriraj Hospital were reviewed. A total of 35 patients were eligible for this study. Descriptive statistics were used to assess the safety and efficacy of RIRS in patients with staghorn stones. Results: In total, 31.43% of patients were stone-free after the first round of RIRS and 59.55% achieved stone-free status after the second procedure. The stone-free rate did not increase after a second round of RIRS. The median size of all staghorn stones was 3.1 cm. Unfortunately, we found two sepsis patients in this study. We also found eight events of minor complications, including fever and minimal ureteric injury in 54 sessions of RIRS we performed. However, no major injuries or bleeding requiring blood transfusion was identified. Conclusion: Percutaneous nephrolithotomy (PCNL) is still considered the first-line therapy for kidney stones over two centimeters with a favorable stone-free rate. But, in some patients with limitations such as uncorrectable coagulopathies, impaired renal function, single kidney, and morbid obesity, RIRS is a good choice to reduce the likelihood of serious complications and have an acceptable stone-free rate. However, a prospective study should be performed to confirm these findings.
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