Background And Purpose: Lumbar disc herniation (LDH) causes major disabilities worldwide. Several studies in the literature had reported the correlation between radiculopathy and inflammatory markers. Mean platelet volume (MPV), red cell distribution width (RDW) and neutrophil to lymphocyte (N/L) ratio are parameters of hemogram which have been found to be associated with inflammatory conditions. Purpose - Since inflammation has an important role in lumbar disc hernias, and RDW, MPV and N/L ratio are also known to be in correlation with inflammation, we have investigated these parameters of the patients with lumbar disc hernias and compared them with the results of the healthy subjects.
Methods: Our study group was composed of patients with lumbar disc hernia, whereas the control group was consisted of healthy volunteers whom visited our outpatient clinics for a routine check-up. Patient characteristics and hemogram parameters of the study cohort were obtained from computerized database system of our institution. SPSS software (SPSS 15.0 for Windows, Chicago, IL, USA) was used for the analysis.
Results: There was no significant difference between study and control groups in terms of WBC, neutrophil count, lymphocyte count, neu\lym ratio, Hb, Htc, MCV, and PLT levels (all p>0.05). RDW was significantly increased in study group [15.6 (12.3-22.5)] when compared to control group [14.5(11.9-16.3)] (p=0.004). And MPV in the study group [9.25 (6.38-14.5)] was also significantly increased in comparison to the control subjects [8.8 (6-10.1)] (p=0.013).
Conclusion: In this retrospective study, we found that, RDW and MPV values in hemograms were increased in patients with lumbar disc herniation when compared to the control group. Conclusions - We suggest that, elevated RDW and MPV may help physicians in decision taking to order radiological imagings in patients with symptoms which can be associated with possible LDH diagnosis. However, for the sake of precision, prospective studies with larger populations are needed.
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