Wound Closure After Posterior Multi-level Lumbar Spine Surgery: An Anatomical Cadaver Study and Technical Note

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Abstract

Meticulous attention to wound closure in posterior lumbar spine surgery is an important principle in reducing surgical site infections. We detail standardized wound closure used for posterior lumbar spine surgery at a tertiary care referral center and illustrate this as a step-by-step cadaveric dissection. The lumbar spine of a cadaveric specimen (male, 73 years at death) was used for dissection. Standardizing wound closure in posterior lumbar spine surgery may help limit wound complications and infection. Some key points of our technique, as demonstrated on a cadaveric specimen, include separating fascial compartments, avoiding suture abscesses, and creating a tension-free wound.

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Most cited references 8

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Postoperative spinal wound infection: a review of 2,391 consecutive index procedures.

M A Weinstein, J P McCabe, F P Cammisa (2000)

Postoperative infection remains a troublesome but not uncommon complication after spinal surgery. Most previous reports, however, are small or involve cases with more than one surgeon often at different institutions. This study represents a single surgeon's 9-year experience with postoperative infection at one institution. The authors describe the features of wound infection after spinal surgery with reference to diagnosis, microbiology, and treatment and they describe a protocol for effective management of postoperative spinal wound infection. The records of the senior author (F.P.C.) during a 9-year period for cases of postoperative wound infection were reviewed. Of 2,391 operative procedures, 46 cases of wound infection were identified, yielding an overall infection rate of 1.9%. Patients' preoperative risk factors, original diagnosis prompting the surgery, onset of infection, presentation, treatment, and outcome were analyzed. The mean age of the 23 men and 23 women was 57.2 years. The preoperative diagnoses included lumbar degenerative scoliosis or spinal stenosis in 28 cases, disk prolapse in 8 cases, metastatic disease in 4 cases, degenerative disk disease in 1 case, and a group of 5 miscellaneous cases. Seventeen (37%) of the patients underwent at least one previous spinal surgery at the same site. Twenty-three patients had a fusion, of whom 22 also had instrumentation. Forty-three (93%) of the patients had significant wound drainage after an average of 15 days (range, 5-80 days). The other three patients were examined approximately 2 years after the surgery. Fourteen of the patients also had pyrexia (temperature >37.5 degrees C) at presentation. Staphylococcus aureus alone was cultured in 29 patients, whereas another six patients had a different single organism. In nine patients, more than one organism was cultured during their hospital stay. Surgical treatment included primary closure in only seven patients, with most undergoing wound drainage and debridement followed by delayed closure. Instruments were removed in the three patients with late presentation who had solid fusion at operation. Viable bone graft and instrumentation were left in situ in all patients who were seen before fusion. All wounds healed without sequelae, except for three that required flap closure. Pseudarthrosis was noted in three patients after more than 1 year of follow-up in this series. Postoperative spinal wound infection is a potentially devastating problem. In this series, infection was more common in patients undergoing fusion with instrumentation and in patients with cancer metastatic to the spine. An aggressive surgical approach, including repeated debridement followed by delayed closure, is justified. Instrumentation may be safely left in situ to provide stability for fusion.

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Risk factors for surgical site infection in spinal surgery.

Carl Lauryssen, Louis B Polish, V Fraser … (2003)

The objective of this study was to identify specific independent risk factors for surgical site infections (SSIs) occurring after laminectomy or spinal fusion. The authors performed a retrospective case-control study of data obtained in patients between 1996 and 1999 who had undergone laminectomy and/or spinal fusion. Forty-one patients with SSI or meningitis were identified, and data were compared with those acquired in 178 uninfected control patients. Risk factors for SSI were determined using univariate analyses and multivariate logistic regression. The spinal surgery-related SSI rate (incisional and organ space) during the 4-year study period was 2.8%. Independent risk factors for SSI identified by multivariate analysis were postoperative incontinence (odds ratio [OR] 8.2, 95% confidence interval [CI] 2.9-22.8), posterior approach (OR 8.2, 95% CI 2-33.5), procedure for tumor resection (OR 6.2, 95% CI 1.7-22.3), and morbid obesity (OR 5.2, 95% CI 1.9-14.2). In patients with SSI the postoperative hospital length of stay was significantly longer than that in uninfected patients (median 6 and 3 days, respectively; p < 0.001) and were readmitted to the hospital for a median additional 6 days for treatment of their infection. Repeated surgery due to the infection was required in the majority (73%) of infected patients. Postoperative incontinence, posterior approach, surgery for tumor resection, and morbid obesity were independent risk factors predictive of SSI following spinal surgery. Interventions to reduce the risk for these potentially devastating infections need to be developed.

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Risk factors for surgical site infection in the patient with spinal injury.

Oren G Blam, Alexander Vaccaro, Jed S. Vanichkachorn … (2003)

A retrospective chart review of 1561 patients with spinal injury was conducted over a 4-year period. To determine the rate of surgical site infection in the spinal trauma population, to compare infection rates after spinal operations for elective and traumatic indications, and to identify risk factors for postoperative wound infections in the traumatic subpopulation. Surgical site infection after spinal operations is a dreaded complication. Risk factors have been investigated previously, but the subset of patients with acute traumatic spinal injury may be distinct. The hospital's infection control program was used to identify surgical site infections after spinal operations, and infection rates were calculated. Data including patient characteristics, severity of injury indicators, surgical factors, and perioperative management factors were collected for the patients presenting with acute spinal injury over a 4-year period. Postoperative wound infections developed in 24 of 256 patients. This infection rate of 9.4% was significantly (P < 0.001) higher than for elective spinal operations during the same period (3.7%). Risk factors found to be independently significant included delay until operation, increased postoperative intensive care unit stay, single (neurosurgical or orthopedic) versus combined operative team. Risk factors for surgical site infection in the acute trauma setting are identified. Two surgical teams may be involved without causing a higher rate of infection.

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Author and article information

Journal

Journal ID (nlm-ta): Cureus

Journal ID (iso-abbrev): Cureus

Journal ID (issn): 2168-8184

Title: Cureus

Publisher: Cureus (Palo Alto (CA) )

ISSN (Electronic): 2168-8184

Publication date (Electronic, pub): 14 November 2018

Publication date (Electronic, collection): November 2018

Volume: 10

Issue: 11

Electronic Location Identifier: e3595

Affiliations

[1 ] Surgery, Swedish Neuroscience Institute, Seattle, USA

[2 ] Neurosurgery, Swedish Neuroscience Institute, Seattle, USA

[3 ] Medical Education and Simulation, Seattle Science Foundation, Seattle, USA

[4 ] Orthopaedics, Swedish Neuroscience Institute, Seattle, USA

[5 ] Neurosurgery, Seattle Science Foundation, Seattle, USA

[6 ] Clinical Anatomy, Seattle Science Foundation, Seattle, USA

Author notes

Emre Yilmaz emre.yilmaz@ 123456gmx.de

Article

DOI: 10.7759/cureus.3595

PMC ID: 6336212

PubMed ID: 30675448

SO-VID: 233a4a62-fc76-4e80-bc65-449c63f8f417

License:

This is an open access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.

History

Date received : 9 June 2018

Date accepted : 20 September 2018

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