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Objective: Although spondylodiscitis seen after lumbar discectomy is very rare, its incidence has been reported to be around 0.1-18.8% by many different authors. The most common pathogen is Staphylococcus aureus. Methods: Medical records of 1,154 patients who were operated in our hospital between 2007 and 2015 due to a single or two-level lumbar disc hernia were retrospectively extracted. Of these patients, 554 were female and 600 were male. Discectomy operation was performed in 1,062 of these patients with single-level and 91 with two-level lumbar microdiscectomy. All of these patients were given a prophylactic single dose of cefazolin sodium in accordance with the recommendations of the surgical antimicrobial prophylaxis guidelines during anesthesia. Spondylodiscitis developed in 12 patients (1.03%). Comorbidities in patients who developed spondylodiscitis, isolated pathogens, antibiotic susceptibility, antibiotics used, and hospital stay were noted. Results: Of the 12 patients, 7 were female and 5 were male. Mean age was 45.75±14.16 years. Eleven of these patients underwent single level, one had 2 levels of lumbar microdiscectomy. Five patients underwent discectomy at L4-5 and 8 patients at L5-S1 levels. Three of these patients had S. aureus (25%), 4 had Staphylococcus epidermidis (33%) and 3 had Escherichia coli (25%) and 2 patients had no reproduction. The mean hospital stay was 29.45±3.98, and in patients without spondylodiscitöis it was 1.99±0.81, the two groups were significantly different from each other (p=0.0001). Conclusion: Although most surgeons have a tendency to maintain antibiotic prophylaxis postoperatively or during hospitalization period, our study found that a single dose prophylactic antibiotic administered during anesthesia induction did not increase rate of spondylodiscitis by medical literature. [ABSTRACT FROM AUTHOR]

Objective: Incidence of spondylodiscitis after lumbar discectomy has been reported to be as low as 0.1-18.8% by many different authors. Most common pathogen is Staphylococcus aureus. Methods: We collected retrospectively the medical records of 1154 patients who were single-level or two-level disc herniations operated for lumbar microdiscectomy between 2007 and 2015 in our hospital. Of these patients, 554 were female and 600 were male. 1062 of these patients underwent single-level, 91-level two-level lumbar microdiscectomy. These patients received a single dose of prophylactic cephazoline during anesthesia in order to prophylaxis guidelines. Spondylodiscitis developed in 12 patients (1.03%). Comorbidities in spondylodiscitis-treated patients, isolated pathogens, antibiotic susceptibility, antibiotics used, and hospital stay were noted. Results: Of the 12 patients, 7 were female and 5 were male. Mean age was 45.75 ± 14.16 years. Eleven of these patients underwent single-level, 1 two-level lumbar microdiscectomy operations. Five patients received L4-5, and 8 patients underwent discectomy from L5-S1 patients. Staphylococcus aureus was present in 3 patients (%25), Staphylococcus epidermidis in 4 patients (33%), Escherichia coli in 3 patients (25%) and 2 patients were not. Mean duration of hospital stay was 29.45 ± 3.98 days, and in patients without spondylodiscitis 1.99±0.81 days, there were significant difference between these groups (p = 0.0001)Conclusion: Although most surgeons have a tendency to maintain antibiotic prophylaxis postoperatively or during hospitalization period, our study found that a single dose prophylactic antibiotic administered during anesthesia induction did not increase rate of spondylodiscitis compared to medical literature. [ABSTRACT FROM AUTHOR]