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- Title
Predictors of haematocrit in lumbar fusion for lumbar disc herniation: a surgical assessment.
- Authors
Junlong Wu; Wei Ma; Cai, Qingchun; Zeng, Sixiang; Zhi, Liqiang; Wu, Junlong; Ma, Wei
- Abstract
<bold>Background: </bold>Low haematocrit (Hct) is associated with a higher rate of post-operative complications, increased mortality, and additional medical costs following cardiac surgery. Predictors of post-operative Hct in lumbar fusion are unclear and may be beneficial in avoiding adverse surgical outcomes.<bold>Methods: </bold>A total of 704 lumbar disc herniation patients (385 males, 319 females) who underwent primary lumbar fusion surgery were reviewed in this retrospective study.<bold>Results: </bold>In the 687 patients who met the selection criteria, the pre-operative Hct was 41.23 ± 4.57%, the post-operative Hct was 32.61 ± 4.52%, the peri-operative Hct decline was 8.62 ± 4.07%, the estimated intra-operative blood loss was 586.76 ± 346.62 mL, and the post-operative drainage was 489.33 ± 274.32 mL. Pre-operative Hct, estimated blood volume, estimated intra-operative blood loss, post-operative drainage, allogeneic blood transfusion, and age showed significant correlations with post-operative Hct, and all factors were involved in the final multiple regression model. Patients who received intensive care had lower post-operative Hct values, and the length of post-operative hospital stay was negatively correlated with post-operative Hct.<bold>Conclusions: </bold>Dangerously low post-operative Hct is related to the length of ICU stay and post-operative hospital stay. Age, pre-operative Hct, intra-operative blood loss, post-operative drainage, and units of allogeneic blood transfusion are significant predictors of post-operative Hct and Hct decline. Hct variations during the operation make the calculation of total blood loss difficult.
- Subjects
INTERVERTEBRAL disk hernias; SURGICAL complications; MEDICAL care costs; CARDIAC surgery; BLOOD loss estimation; LUMBAR vertebrae surgery; HEMATOCRIT; INTERVERTEBRAL disk displacement; SPINAL fusion; SURGICAL therapeutics; TREATMENT effectiveness; RETROSPECTIVE studies
- Publication
BMC Musculoskeletal Disorders, 2017, Vol 18, p1
- ISSN
1471-2474
- Publication type
journal article
- DOI
10.1186/s12891-017-1655-5