Intratumoral Flow Void Diameter and Blood Loss in Spinal Tumor Surgery
Author Information
Author(s): Ishino Yuji, Kato Satoshi, Yokogawa Noriaki, Shimizu Takaki, Kawai Masafumi, Uto Takaaki, Nanpo Kazuhiro, Kawai Megumu, Demura Satoru, Sonoda Yukihiko
Primary Institution: Department of Orthopaedic Surgery, Graduate School of Medical Sciences, Kanazawa University, Kanazawa, Japan
Hypothesis
Is intratumoral flow void diameter on MRI associated with intraoperative blood loss during palliative surgery for metastatic spinal tumors?
Conclusion
The study found that a larger intratumoral flow void diameter is an independent predictor of increased intraoperative blood loss during surgery for metastatic spinal tumors.
Supporting Evidence
- 71 out of 88 patients exhibited intratumoral flow void.
- The mean intratumoral flow void diameter was 1.8 ± 1.3 mm.
- IFV diameter was identified as a significant predictor of intraoperative blood loss.
- Univariate analysis showed a strong correlation between IFV diameter and blood loss.
- Multivariate analysis confirmed IFV diameter as an independent predictor of blood loss.
Takeaway
Doctors can use the size of a special area in a tumor seen on MRI to predict how much blood a patient might lose during surgery.
Methodology
This retrospective analysis reviewed 88 surgical cases and used multiple regression analysis to assess the relationship between intratumoral flow void diameter and intraoperative blood loss.
Potential Biases
Potential selection and information biases may have been introduced due to the retrospective nature of the study.
Limitations
The study is limited by its retrospective design and single-institution setting, which may affect the generalizability of the results.
Participant Demographics
The study included 88 patients, with a mean age of 61.6 years, and 63.6% were male.
Statistical Information
P-Value
p<0.01
Confidence Interval
95% CI: 0.80–0.89
Statistical Significance
p<0.01
Digital Object Identifier (DOI)
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