THE ROLE OF INTRAOPERATIVE NERVE STIMULATION DURING NERVE SPARING RETROPERITONEAL LYMPHADENECTOMY (RPL)

Overactive bladder (OAB) is a common condition that is experienced by around 455 million people (11% of the world population) and associated with significant impact in patients’ quality of life. The first line treatments of OAB are conservative treatment and anti-muscarinic medication. For the refractory OAB patients, the treatment options available are surgical therapy, electrical stimulation, and botulinum toxin injection. Among them, percutaneous tibial nerve stimulation (PTNS) is a minimally invasive option that aims to stimulate sacral nerve plexus, a group of nerve that is responsible for regulation of bladder function. After its approval by food and drug administration (FDA) in 2007, PTNS revealed considerable promise in OAB management. In this review, several non-comparative and comparative studies comparing PTNS with sham procedure, anti-muscarinic therapy, and multimodal therapy combining PTNS and anti-muscarinic had supportive data to this consideration.

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Therapeutic Role of Retroperitoneal Lymphadenectomy in 170 Patients With Ovarian Clear Cell Cancer

Frontiers in Oncology ◽

10.3389/fonc.2021.754149 ◽

2022 ◽

Vol 11 ◽

Author(s):

Wen Gao ◽

Peipei Shi ◽

Haiyan Sun ◽

Meili Xi ◽

Wenbin Tang ◽

...

Keyword(s):

Tumor Recurrence ◽

Proportional Hazards ◽

Clear Cell ◽

Cell Cancer ◽

Cox Proportional Hazards ◽

Rank Test ◽

Advanced Stage ◽

Therapeutic Role ◽

Retroperitoneal Lymphadenectomy

IntroductionWe evaluated the therapeutic role of retroperitoneal lymphadenectomy in patients with ovarian clear cell cancer (OCCC).Materials and MethodsWe retrospectively reviewed 170 OCCC patients diagnosed at two hospitals in China between April 2010 and August 2020. Clinical data were abstracted, and patients were followed until February 2021. Patients were divided into retroperitoneal lymphadenectomy and no lymphadenectomy groups. The Kaplan–Meier method was used to compare progression-free (PFS) and overall survival (OS) between the two groups. Statistical differences were determined by the log-rank test. The COX proportional hazards regression model was applied to identify predictors of tumor recurrence.ResultsThe median age was 52 years; 90 (52.9%) and 80 (47.1%) patients were diagnosed as early and advanced stage, respectively. Clinically positive and negative nodes was found in 40 (23.5%) and 119 (70.0%) patients, respectively. Of all the 170 patients, 124 (72.9%) patients underwent retroperitoneal lymphadenectomy, while 46 (27.1%) did not. The estimated 2-year PFS and 5-year OS rates were 71.4% and 65.9% in the lymphadenectomy group, and 72.0% and 73.7% in no lymphadenectomy group (p = 0.566 and 0.669, respectively). There was also no difference in survival between the two groups when subgroup analysis was performed stratified by early and advanced stage, or in patients with clinically negative nodes. Multivariate analysis showed that retroperitoneal lymphadenectomy were not an independent predictor of tumor recurrence.ConclusionRetroperitoneal lymphadenectomy provided no survival benefit in patients diagnosed with OCCC. A prospective clinical trial is needed to confirm the present results.

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