• Anticancer research · Jun 2018

    Gallstone Patients with Enhanced Oxidative Stress Biomarker Superoxide Dismutase (SOD1) Plasma Levels Have Significantly Lower Number of Postoperative Analgesic Oxycodone Doses: A Prospective Study with Special Reference to Cancer Patients.

    • Jari Kärkkäinen, Iina Saimanen, Tuomas Selander, Samuli Aspinen, Jukka Harju, Petri Juvonen, and Matti Eskelinen.
    • Department of Surgery, Kuopio University Hospital, Kuopio, Finland.
    • Anticancer Res. 2018 Jun 1; 38 (6): 3573-3578.

    Background/AimOxidative stress biomarker superoxide dismutase (SOD1) plasma levels in operated gallstone patients versus cancer patients are unknown. In addition, the number of analgesic doses during the first 24 h postoperatively (NAD24) in gallstone patients operated with laparoscopic cholecystectomy (LC) or minicholecystectomy (MC) is unreported. The aim of the study was to determine a correlation between the plasma SOD1 levels in the LC and MC patients versus cancer patients.Patients And MethodsInitially, 114 patients with symptomatic gallstone disease were randomized into LC (n=54) or MC (n=60) groups. The plasma levels of the SOD1 marker were measured just before, immediately after (POP1) and 6 h after the operation (POP2).ResultsThe median plasma SOD1 levels preoperatively and following surgery in the LC and MC patients versus cancer patients were statistically insignificant (p=0.90, p=0.88, p=0.21, respectively). The median plasma levels of SOD1 increased immediately after operation (POP1) and the postoperative elevation between the preoperative (PRE) and the POP1 values in the SOD1 marker were statistically significant (p=0.027). Then the median plasma levels of SOD1 marker decreased 6 h postoperatively (POP2) and the decrease between the POP1 and POP2 values in the SOD1 marker were statistically highly significant (p<0.001). There is a highly significant inverse correlation between the individual values of the NAD24 and plasma SOD1 values postoperatively in LC and MC patients (r=-0.335, p=0.011).ConclusionThe plasma SOD1 levels preoperatively and following surgery in the LC and MC patients versus cancer patients were quite similar. Cholecystectomy patients with enhanced levels of SOD1 appeared to have significantly lower number of analgesic oxycodone doses during the first 24 h postoperatively (NAD24).Copyright© 2018, International Institute of Anticancer Research (Dr. George J. Delinasios), All rights reserved.

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