Abstract
Laser-supported laparoscopic partial nephrectomy is a promising new technique, but remains under experiment. We presented our single institutional experience of laparoscopic partial nephrectomy using the 980/1470-nm dual-diode laser system to investigate its feasibility, and oncological and functional outcomes. The study retrospectively evaluated 25 patients with small exophytic renal tumors, who underwent laparoscopic partial nephrectomy using a 980/1470-nm dual-diode laser. The demographics, surgical data, complications, pathological variables, oncological, and functional outcomes were reviewed. The changes in hemoglobin and estimated glomerular filtration rate (eGFR) before and after surgery were statistically analyzed. The investigators operated on a total of 25 patients. The off-clamping technique was performed for 23 cases, while the other two cases required renal artery clamping due to unsatisfactory hemostasis. The tumor diameter was 24.6± 6.2 mm, and the mean operative time was 104.4± 23.4 min. The median estimated intraoperative blood loss (EBL) was 100 ml (range 50–600 ml). No major complications (Clavien-Dindo >II) occurred perioperatively. The mean change in hemoglobin before and after the operation was 9 g/l, with a P value of <0.001. The mean decrease in eGFR from before the surgery to the 6-month follow-up was 1.4 ml/min, with a P value of 0.463. The postoperative histopathology evaluation did not demonstrate a positive surgical margin. No recurrence or metastasis was found during the follow-up (mean 24 months). Laparoscopic partial nephrectomy using a 980/1470 nm dual-diode laser appears to be a feasible and oncological satisfactory technique for the treatment of small renal mass (SRM), with the advantages of reducing warm ischemia time.
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The datasets generated during and/or analyzed during the current study are available from the corresponding author on reasonable request.
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This work was supported by institutional research funding provided by the Fundamental Research Funds for the Central Universities (grant no. 3332020004) (J.D.).
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JD, WFX, and GHL performed the research; YX and YQ collected clinical data; JD wrote the manuscript; WFX and ZGJ supervised the study and revised the manuscript.
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This study was performed in accordance with relevant guidelines and regulations and was approved by the PUMCH Ethics Committee.
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Dong, J., Xu, W., Liu, G. et al. Retroperitoneoscopic partial nephrectomy using a 980/1470-nm dual-diode laser for small exophytic renal tumors. Lasers Med Sci 37, 471–477 (2022). https://doi.org/10.1007/s10103-021-03284-3
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DOI: https://doi.org/10.1007/s10103-021-03284-3