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He Z, Li CY, Mak CHK, Tse TS, Cheung FC. Minimally Invasive Tubular Retractor Surgery for Intradural Extramedullary Spinal Tumor Reduces Postoperative Degeneration of Paraspinal Muscle. Asian J Neurosurg 2022; 17:74-84. [PMID: 35873837 PMCID: PMC9298595 DOI: 10.1055/s-0042-1749127] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022] Open
Abstract
Background Minimally invasive surgery (MIS) using a tubular retractor has been increasingly utilized in spinal surgery for degenerative conditions with the benefit of paraspinal muscle preservation. This benefit has not been previously reported for intradural extramedullary tumors using the MIS approach. In this study, we aimed to compare the degree of postoperative fatty degeneration in paraspinal muscle between MIS with tubular retractor (MIS) and open laminectomy (Open) for intradural extramedullary spinal tumors. Methods This was a retrospective review conducted in a tertiary neurosurgical center from 2015 to 2019. The degree of paraspinal muscle fatty degeneration, as measured by Goutallier grade on postoperative magnetic resonance imaging (MRI), was analyzed, and the degree of excision, tumor recurrence rate, and chronic pain were compared between the two surgical approaches. Results Among 9 patients in the MIS group and 33 patients in the Open group, the rate of gross total resection was comparable (MIS: 100.0%, Open: 97.0%, p = 1.000). The degree of paraspinal muscle fatty degeneration was significantly reduced in the MIS group (median Goutallier grade 1 in MIS group vs. median Goutallier grade 2 in Open group, p = 0.023). There was no significant difference in the tumor recurrence rate, complication rate, and chronic pain severity. A consistent trend of reduced analgesic consumption was observed in the MIS group, though not statistically significant. Conclusions Minimally invasive tubular retractor surgery is an effective approach for appropriately selected intradural extramedullary spinal tumors with significantly reduced postoperative fatty degeneration in paraspinal muscle.
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Affiliation(s)
- Zhexi He
- Department of Neurosurgery, Queen Elizabeth Hospital, Hong Kong, China.,Department of Neurosurgery, Tuen Mun Hospital, Hong Kong, China
| | - Cho Ying Li
- Department of Neurosurgery, Queen Elizabeth Hospital, Hong Kong, China
| | | | - Tat Shing Tse
- Department of Neurosurgery, Queen Elizabeth Hospital, Hong Kong, China
| | - Fung Ching Cheung
- Department of Neurosurgery, Queen Elizabeth Hospital, Hong Kong, China
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Shuman WH, Chapman EK, Gal JS, Neifert SN, Martini ML, Schupper AJ, Lamb CD, McNeill IT, Gilligan J, Caridi JM. Surgery for spinal deformity: non-elective admission status is associated with higher cost of care and longer length of stay. Spine Deform 2021; 9:373-379. [PMID: 33006745 DOI: 10.1007/s43390-020-00215-0] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/06/2020] [Accepted: 09/21/2020] [Indexed: 11/24/2022]
Abstract
INTRODUCTION Surgery is commonly indicated for adult spinal deformity. Annual rates and costs of spinal deformity surgery have both increased over the past two decades. However, the impact of non-elective status on total cost of hospitalization and patient outcomes has not been quantified. OBJECTIVE To evaluate the impact of admission status on patient outcomes and healthcare costs in spinal deformity surgery. METHODS All patients who underwent spinal deformity surgery at a single institution between 2008 and 2016 were grouped by admission status: elective, emergency (ED), or transferred. Demographics were compared by univariate analysis. Cost of care and length of stay (LOS) were compared between admission statuses using multivariable linear regression with elective admissions as reference. Multivariate logistic regression was utilized to assess in-hospital complications, discharge destination, and readmission rates. RESULTS There were 427 spinal deformity surgeries included in this study. Compared to elective patients, ED patients had higher Elixhauser Comorbidity Index scores (p < 0.0001), longer LOS (+ 10.9 days, 97.5% CI 6.1-15.6 days, p < 0.0001), and higher costs (+ $20,076, 97.5% CI $9,073-$31,080, p = 0.0008). Transferred patients had significantly higher Elixhauser scores (p = 0.0002), longer LOS (+ 8.8 days, 97.5% CI 3.0-14.7 days, p < 0.0001), and higher rates of non-home discharge (OR = 15.8, 97.5% CI 2.3-110.0, p = 0.001). CONCLUSION Patients admitted from the ED undergoing spinal deformity surgery had significantly higher cost of care and longer LOS compared to elective patients. Transferred patients had significantly longer LOS and a higher rate of non-home discharge compared to elective patients.
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Affiliation(s)
- William H Shuman
- Department of Neurosurgery, Icahn School of Medicine at Mount Sinai, Mount Sinai Health System, 50 East 98th St, Apartment 7D-4, New York, NY, 10029, USA.
| | - Emily K Chapman
- Department of Neurosurgery, Icahn School of Medicine at Mount Sinai, Mount Sinai Health System, 50 East 98th St, Apartment 7D-4, New York, NY, 10029, USA
| | - Jonathan S Gal
- Department of Anesthesiology, Perioperative, and Pain Medicine, Icahn School of Medicine at Mount Sinai, Mount Sinai Health System, New York, NY, USA
| | - Sean N Neifert
- Department of Neurosurgery, Icahn School of Medicine at Mount Sinai, Mount Sinai Health System, 50 East 98th St, Apartment 7D-4, New York, NY, 10029, USA
| | - Michael L Martini
- Department of Neurosurgery, Icahn School of Medicine at Mount Sinai, Mount Sinai Health System, 50 East 98th St, Apartment 7D-4, New York, NY, 10029, USA
| | - Alexander J Schupper
- Department of Neurosurgery, Icahn School of Medicine at Mount Sinai, Mount Sinai Health System, 50 East 98th St, Apartment 7D-4, New York, NY, 10029, USA
| | - Colin D Lamb
- Department of Neurosurgery, Icahn School of Medicine at Mount Sinai, Mount Sinai Health System, 50 East 98th St, Apartment 7D-4, New York, NY, 10029, USA
| | - Ian T McNeill
- Department of Neurosurgery, Icahn School of Medicine at Mount Sinai, Mount Sinai Health System, 50 East 98th St, Apartment 7D-4, New York, NY, 10029, USA
| | - Jeffrey Gilligan
- Department of Neurosurgery, Icahn School of Medicine at Mount Sinai, Mount Sinai Health System, 50 East 98th St, Apartment 7D-4, New York, NY, 10029, USA
| | - John M Caridi
- Department of Neurosurgery, Icahn School of Medicine at Mount Sinai, Mount Sinai Health System, 50 East 98th St, Apartment 7D-4, New York, NY, 10029, USA
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