lunes, 29 de enero de 2018

Anestesia regional y cáncer / Regional anesthesia and cancer

Enero 29, 2018. No. 2978
Relación entre anestesia regional y cáncer. Un meta-análisis
The Relationship Between Regional Anesthesia and Cancer: A Metaanalysis.
Ochsner J. 2017 Winter;17(4):345-361.
BACKGROUND: Some studies have suggested using epidural analgesia after cancer surgery to reduce metastasis. This article examines the relationship between regional anesthesia (RA) and cancer metastasis in an array of cancers. METHODS: We conducted a review of the literature using PubMed and included 67,577 patients across 28 studies in a metaanalysis, evaluating the hazard ratios (HRs) of overall survival, recurrence-free survival, and biochemical recurrence-free survival. RESULTS: We found no benefit to RA as it relates to cancer. The HR was 0.92 for overall survival, 1.06 for recurrence-free survival, and 1.05 for biochemical recurrence-free survival. Despite the overall analysis showing no benefit, we found some benefit when we evaluated only the randomized trials. However, we found no significant benefit of RA when we evaluated the cancers (gastrointestinal, prostate, breast, and ovarian) individually. CONCLUSION: This metaanalysis shows that RA has no overall survival, recurrence-free survival, or biochemical recurrence-free survival benefit. However, some individual studies have shown significant benefit in terms of cancer recurrence. Further, RA reduces the use of opioids, which has led to some secondary benefits. Further studies are needed to establish the benefits of RA as it relates to cancer.
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World Congress on Regional Anesthesia & Pain Medicine
April 19-21, 2018, New York City, USA
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