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ENGLISH ABSTRACT
JOURNAL ARTICLE
[Adult hematogenous pyogenic discitis and vertebral osteomyelitis: clinical features, diagnostic, therapeutic approaches and outcome in 23 patients].
Zhonghua Wai Ke za Zhi [Chinese Journal of Surgery] 2009 January 16
OBJECTIVE: In order to sum up the experience of diagnosis and treatment, the clinical information, diagnostic approach and treatment strategies from 23 patients with hematogenous pyogenic discitis and vertebral osteomyelitis (PDVO) in adults were reviewed.
METHODS: A retrospective record review was conducted of all cases of hematogenous PDVO from July 1999 to October 2006, the diagnostic approach and the treatment strategies were discussed.
RESULTS: The average age was 55.4 years. The average delayed diagnosis time was 4.4 months (range, 4 weeks to 11 months). Of these, 17 had underlying diseases such as diabetes mellitus, chronic alcoholism, liver cirrhosis, rheumatic disease, and the use of corticosteroids. All percent had elevated erythrocyte sedimentation rates and C-reactive proteins, while white blood cell counts were less reliably elevated. Imaging studies included radiographs and MRI. Seven patients were treated with immobilization and intravenous antibiotic drugs. Because of a delay in diagnosis, 16 patients underwent operative treatment for hematogenous PDVO using staged anterior debridement and Bone grafting with iliac crest or rib strut, anterior spinal instrumentation in 3 patients, posterior instrumentation was placed in 7 patients at a second procedure 10 days to 2 weeks following initial operation. Twenty-three patients were followed-up for an average period of 27 months, with a minimum of 6 months and the longest for 7 years. The patients return to their preoperative everyday activity. No patient had a recurrence of osteomyelitis. All their symptoms improved after surgery, bony fusion occurred in 87.5% of cases.
CONCLUSIONS: Adult hematogenous PDVO is a disease that affects mainly older patients suffering underlying medical illnesses. Positive blood cultures is valuable for the diagnosis. Hematogenous PDVO may require surgery in case of a development of biomechanical instability and/or a vertebral collapse with progressive deformity. In experienced hands, surgical debridement, interbody fusion, and anterior or posterior instrumentation is a safe and effective treatment.
METHODS: A retrospective record review was conducted of all cases of hematogenous PDVO from July 1999 to October 2006, the diagnostic approach and the treatment strategies were discussed.
RESULTS: The average age was 55.4 years. The average delayed diagnosis time was 4.4 months (range, 4 weeks to 11 months). Of these, 17 had underlying diseases such as diabetes mellitus, chronic alcoholism, liver cirrhosis, rheumatic disease, and the use of corticosteroids. All percent had elevated erythrocyte sedimentation rates and C-reactive proteins, while white blood cell counts were less reliably elevated. Imaging studies included radiographs and MRI. Seven patients were treated with immobilization and intravenous antibiotic drugs. Because of a delay in diagnosis, 16 patients underwent operative treatment for hematogenous PDVO using staged anterior debridement and Bone grafting with iliac crest or rib strut, anterior spinal instrumentation in 3 patients, posterior instrumentation was placed in 7 patients at a second procedure 10 days to 2 weeks following initial operation. Twenty-three patients were followed-up for an average period of 27 months, with a minimum of 6 months and the longest for 7 years. The patients return to their preoperative everyday activity. No patient had a recurrence of osteomyelitis. All their symptoms improved after surgery, bony fusion occurred in 87.5% of cases.
CONCLUSIONS: Adult hematogenous PDVO is a disease that affects mainly older patients suffering underlying medical illnesses. Positive blood cultures is valuable for the diagnosis. Hematogenous PDVO may require surgery in case of a development of biomechanical instability and/or a vertebral collapse with progressive deformity. In experienced hands, surgical debridement, interbody fusion, and anterior or posterior instrumentation is a safe and effective treatment.
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