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Comparison of a novel hand-held retractor-assisted transforaminal lumbar interbody fusion by the wiltse approach and posterior TLIF: a one-year prospective controlled study – Lumbar Fusion

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This article discusses a study comparing the clinical outcomes and safety of a novel hand-held retractor system-assisted Wiltse TLIF (transforaminal lumbar interbody fusion) with the traditional P-TLIF procedure. The study included 56 patients and recorded various parameters such as operation time, blood loss, postoperative drainage, mobilization time, and discharge time. Clinical outcomes were evaluated using ODI, VAS, JOA, and SF-36 scores. Paraspinal muscle injury was assessed using postoperative MRI, and blood tests were conducted to measure CK and C-reactive protein levels. The results showed that the Wiltse group had significantly less estimated blood loss, postoperative drainage, and shorter mobilization and discharge times compared to the P-TLIF group. The study also found lower serum CK activity, lower VAS and ODI scores, and higher JOA scores in the control group compared to the study group. After six months, the control group showed more significant paraspinal muscle degeneration. In , the hand-held retractor system-assisted Wiltse TLIF technique resulted in less muscle injury, improved short-term outcomes, and reduced postoperative complications compared to P-TLIF

Summarised by Mr Mo Akmal – Lead Spinal Surgeon
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Published article

: Our study showed that this novel hand-held retractor system assisted Wiltse approach TLIF can significantly reduce paraspinal muscle injury, postoperative drainage, and intraoperative blood loss, mobilization and discharge time, as well as yield better short-term outcomes compared to P-TLIF.

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BMC Musculoskelet Disord. 2024 Feb 14;25(1):142. doi: 10.1186/s12891-024-07248-w.ABSTRACTBACKGROUND: This study aims to compare the clinical outcomes and safety of a novel hand-held retractor system-assisted Wiltse TLIF with that P-TLIF and assess whether this hand-held retractor system assisted Wiltse TLIF can yield less paraspinal muscle injury.METHODS: 56 patients (P-TLIF: 26, Wiltse TLIF: 30) were included in,

BMC Musculoskelet Disord. 2024 Feb 14;25(1):142. doi: 10.1186/s12891-024-07248-w.

ABSTRACT

BACKGROUND: This study aims to compare the clinical outcomes and safety of a novel hand-held retractor system-assisted Wiltse TLIF with that P-TLIF and assess whether this hand-held retractor system assisted Wiltse TLIF can yield less paraspinal muscle injury.

METHODS: 56 patients (P-TLIF: 26, Wiltse TLIF: 30) were included in this one year prospective controlled study. The operation time, intraoperative blood loss, postoperative drainage, mobilization time, and discharge time were recorded. The clinical outcomes were evaluated by ODI, VAS, JOA, and SF-36 scores (7 days, 3, 6, and 12 months after surgery). Paraspinal muscle injury was assessed by postoperative MRI (6 months after surgery). CK and C-reaction protein were measured pre and postoperatively, and CT or X-ray (one year postoperatively) was used to assess bony union/non-union.

RESULTS: The Wiltse (study) group was associated with significantly less estimated blood loss (79.67 ± 28.59 ml vs 192.31 ± 59.48 ml, P = 0.000*), postoperative drainage (43.33 ± 27.89 ml vs 285.57 ± 123.05 ml, P = 0.000*), and shorter mobilization (4.1 ± 1.2 d vs. 3.0 ± 0.9 d, P < 0.05) and discharge times (7.7 ± 1.9 d vs. 6.1 ± 1.2 d, P = 0.002*) than the P-TLIF (control) group. Serum CK activity at 24 h postoperatively in the study group was significantly lower than in the control group (384.10 ± 141.99 U/L vs 532.76 ± 225.76 U/L, P = 0.018*). At 7 days after surgery, VAS (2.3 ± 0.6 vs 3.2 ± 0.7, P = 0.000*)and ODI scores (43.9 ± 11.9 vs 55.2 ± 12.9, P = 0.001*) were lower, while the JOA scores (18.4 ± 3.4 vs 16.3 ± 4.2, P = 0.041*) was higher in the control group than in the study group. Results observed at 3 months of follow-up were consistent with those at 7 days. After six months postoperatively, paraspinal muscle degeneration in the control group was more significant than in the study group (P = 0.008*).

: Our study showed that this novel hand-held retractor system assisted Wiltse approach TLIF can significantly reduce paraspinal muscle injury, postoperative drainage, and intraoperative blood loss, mobilization and discharge time, as well as yield better short-term outcomes compared to P-TLIF.

TRIAL REGISTRATION: 25/09/2023 NCT06052579.

PMID:38355528 | DOI:10.1186/s12891-024-07248-w

The London Spine Unit : most advanced treatment hospital in the world

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Comparison of a novel hand-held retractor-assisted transforaminal lumbar interbody fusion by the wiltse approach and posterior TLIF: a one-year prospective controlled study

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BMC Musculoskelet Disord. 2024 Feb 14;25(1):142. doi: 10.1186/s12891-024-07248-w.ABSTRACTBACKGROUND: This study aims to compare the clinical outcomes and safety of a novel hand-held retractor system-assisted Wiltse TLIF with that P-TLIF and assess whether this hand-held retractor system assisted Wiltse TLIF can yield less paraspinal muscle injury.METHODS: 56 patients (P-TLIF: 26, Wiltse TLIF: 30) were included in

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