Journal
JOURNAL OF ORAL AND MAXILLOFACIAL SURGERY
Volume 75, Issue 7, Pages 1367-1371Publisher
W B SAUNDERS CO-ELSEVIER INC
DOI: 10.1016/j.joms.2016.12.036
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Purpose: Postoperative nausea and vomiting (PONV) constitutes an important factor in ambulatory surgery. The mechanisms of the antiemetic action of potent anti-inflammatory corticosteroids, which are used extensively for the treatment of PONV, as well as the association between PONV and inflammation, have not been investigated sufficiently. We aimed to establish the association between the neutrophil-lymphocyte ratio (NLR) and postoperative antiemetic administration, as well as to investigate whether the NLR would be a biomarker for PONV. Materials and Methods: The anesthesia records of American Society of Anesthesiologists (ASA) physical status I or II patients who underwent ambulatory routine oral surgery under general anesthesia were evaluated after we obtained ethical approval from the faculty ethics committee. A 5-point scale was used to score PONV. Metoclopramide (Metpamid, Istanbul, Turkey) was used as the first choice in patients who had a PONV scale score of 1 or higher. Data regarding metoclopramide administration during extubation and discharge periods were analyzed. Sixty-four patients were randomized and enrolled in the study with an NLR less than 2 (group I, n = 37) or an NLR greater than 2 (group II, n = 27), and metoclopramide administration was evaluated in each case. The association between the NLR and metoclopramide administration was analyzed statistically by a descriptive statistical method in detecting frequencies; the chi(2) test was used in comparison of the groups and the t test in independent groups. Results: The metoclopramide administration frequency for PONV was 5.4% in group I and 96.3% in group II. The metoclopramide administration frequency in group II was statistically higher than that in group I (P < .001). Conclusions: We are of the opinion that the NLR can be easily calculated with data obtained from the complete blood count and could be a marker for PONV. Antiemetic prophylaxis could be given after evaluation of the NLR. However, we suggest that this result should be supported with further prospective studies using larger series. (C) 2017 American Association of Oral and Maxillofacial Surgeons
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