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The aim of this study was to determine the impact of preoperative prognostic nutritional index (PNI) value and skeletal muscle area (SMA) on short-term outcomes of patients with gastric cancer. A total of 107 patients underwent gastrectomy due to gastric cancer between January 2016 and December 2019 were retrospectively analyzed. The patients were divided into groups according to the determined PNI and SMA cutoff values. Clinicopathological features and short-term results were compared. Overall morbidity was 29% ( n  = 31) in patients who underwent gastrectomy. Preoperative PNI value was ranged from 24.5 to 61.5 (median, 49.5). Preoperative SMA values were ranged respectively from 55.7 to 142 (median, 98.9) in women and 77.5 to 203.3 (median, 129.3) in men. It was observed that the risk of postoperative complications increased in patients with low PNI (OR 0.270 , p  = .003). The average postoperative length of hospital stay was 12.1 days. The longer postoperative hospital stay was seen in lower PNI group (PNI ≤ 48, 15.1 days vs. PNI&gt; 48, 10 days;  p  = .033). Clavien-Dindo classification was high in patients with low PNI and sarcopenia (PNI ≤ 48,  p  = .004 and Sarcopenia,  p  = .006). Likewise, mortality was significantly increased in patients with low PNI and sarcopenia (PNI ≤ 48, 20% vs. PNI &gt; 48, 0%;  p  &lt; .001 and Sarcopenia, 13.7% vs. Nonsarcopenia, 3.6%; OR 0.233,  p  = .053). As a result, preoperative SMA and PNI values were found closely related to the postoperative hospital stay, morbidity and mortality results of patients with gastric cancer. Preoperative nutritional support may help to overcome longer hospital stay, higher mortality and morbidity rates in patients with gastric cancer.

acta chirurgica belgica

Effect of preoperative skeletal muscle area and prognostic nutritional index values on postoperative morbidity and mortality in patients with gastric cancer: a single-center retrospective analysis