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Oncologic and long-term outcomes of enhanced recovery after surgery in cancer surgeries - a systematic review

期刊

WORLD JOURNAL OF SURGICAL ONCOLOGY
卷 19, 期 1, 页码 -

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BMC
DOI: 10.1186/s12957-021-02306-2

关键词

Enhanced recovery after surgery; Cancer surgery; Long-term outcome; Oncologic outcome

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Enhanced recovery after surgery (ERAS) shows potential benefits in cancer surgeries by improving the initiation and completion of adjuvant chemotherapy after surgery, with higher adherence leading to better outcomes. However, the association between ERAS protocol and long-term overall survival or cancer-specific survival remains inconclusive based on current evidence.
Background Clinical evidence has proved that enhanced recovery after surgery (ERAS) can improve short-term clinical outcomes after various types of surgeries, but the long-term benefits have not yet been examined, especially with respect to cancer surgeries. Therefore, a systematic review of the current evidence was conducted. Methods The Pubmed, Cochrane Library, Embase, and Web of Science databases were searched using the following key words as search terms: ERAS or enhanced recovery or fast track, oncologic outcome, recurrence, metastasis, long-term outcomes, survival, and cancer surgery. The articles were screened using the inclusion and exclusion criteria, and the data from the included studies were extracted and analyzed. Results A total of twenty-six articles were included in this review. Eighteen articles compared ERAS and conventional care, of which, 12 studies reported long-term overall survival (OS), and only 4 found the improvement by ERAS. Four studies reported disease-free survival (DFS), and only 1 found the improvement by ERAS. Five studies reported the outcomes of return to intended oncologic treatment after surgery (RIOT), and 4 found improvements in the ERAS group. Seven studies compared high adherence to ERAS with low adherence, of which, 6 reported the long-term OS, and 3 showed improvements by high adherence. One study reported high adherence could reduce the interval from surgery to RIOT. Four studies reported the effect of altering one single item within the ERAS protocol, but the results of 2 studies were controversial regarding the long-term OS between laparoscopic and open surgery, and 1 study showed improvements in OS with restrictive fluid therapy. Conclusions The use of ERAS in cancer surgeries can improve the on-time initiation and completion of adjuvant chemotherapy after surgery, and the high adherence to ERAS can lead to better outcomes than low adherence. Based on the current evidence, it is difficult to determine whether the ERAS protocol is associated with long-term overall survival or cancer-specific survival.

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