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Comparison of the Total and Hidden Blood Loss in Patients Undergoing Single-level Open and Unilateral Biportal Endoscopic Transforaminal Lumbar Interbody Fusion: a Retrospective Case Control Study

Overview
Publisher Biomed Central
Specialties Orthopedics
Physiology
Date 2023 Apr 14
PMID 37060012
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Abstract

Purpose: This study aimed to compare total blood loss (TBL) and hidden blood loss (HBL) in patients undergoing single-level open transforaminal lumbar interbody fusion (O-TLIF) and unilateral biportal endoscopic transforaminal lumbar interbody fusion (ULIF).

Methods: A total of 53 patients who underwent ULIF and 53 patients who underwent O-TLIF from March 2020 to July 2022 were retrospectively reviewed. The Nadler's formula was employed to estimate the patient's blood volume (PBV), Gross's formula to estimate TBL, and Sehat's formula to estimate HBL. The obtained data were then analyzed with independent t test, chi-squared test, and analysis of covariance.

Results: TBL and measured blood loss (MBL) in ULIF group (326.86 ± 223.45 ml, 99.00 ± 72.81 ml) was significantly lower than O-TLIF group (427.97 ± 280.52 ml, 270.66 ± 102.34 ml). Nevertheless, the HBL in ULIF group was higher than that in O-TLIF group (227.86 ± 221.75 ml vs 157.31 ± 268.08 ml), however this was not statistically significant (p = 0.143). The HBL was 69.71 ± 23.72% of TBL in ULIF group and 36.76 ± 18.79% of TBL in O-TLIF group. Patients in ULIF group had lower TBL and MBL, shorter duration of drainage, lower postoperative anemia, and shorter postoperative hospital stay compared to those in O-TLIF group.

Conclusions: Perioperative HBL should not be neglected in patients undergoing ULIF or O-TILF, as it accounts for a large percentage of TBL in both groups. ULIF is associated with lower TBL and MBL, postoperative anemia, shorter postoperative hospital stays compared with O-TLIF.

Citing Articles

Risk factors for hidden blood loss in unilateral biportal endoscopic lumbar interbody fusion : a single-center retrospective study.

Jin J, Chen H, Peng Y, Dai J, Wang Q, Yan J BMC Musculoskelet Disord. 2024; 25(1):1017.

PMID: 39695594 PMC: 11657688. DOI: 10.1186/s12891-024-08104-7.

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