[Iatrogenic dural lesions in lumbar neural decompressive surgery]. 2010

Frederik Thomsen, and Ole Amtoft, and Mikkel Andersen, and Torben Bøge-Rasmussen, and Tim Toftgaard Jensen, and Lars Emil Jensen, and Stig Jespersen, and Anders Kruse, and Karsten Thomsen
Privathospitalet, Hamlet A/S, Denmark. thomsen.frederik@gmail.com

BACKGROUND Iatrogenic dural tear with cerebrospinal fluid leakage is a known complication of lumbar surgery of the columna. In the literature, the incidence is 3-16%. METHODS The study was a retrospective, consecutive review of electronic patient records after spinal surgery at the Private Hospital Hamlet. The study covers cases from the 10-month period from September 1, 2007 to June 30, 2008. Data was collected after this period and consists of surgeon-documented dural tears. At the time of surgery, the surgeon was unaware that there would be a subsequent registration. A total of 634 patients had lumbar neural decompressive surgery - 479 patients were treated for spinal stenosis and 155 for prolapsed disc. RESULTS The incidence of dural tear was 3.9% (25 dural tears in 634 operations). The risk of a dural tear after secondary surgery was 7.9% versus 3.3% for primary (p = 0.02) and the mean age was 65.9 years for patients with dural tear compared with 58.1 years for patients without (p = 0.00). The difference in the mean duration of surgery was significant being 72 minutes in the group suffering a dural tear compared with 56 minutes (p = 0.03) among the remaining patients, and in the former group length of stay was increased by 1.1 day (p = 0.00). CONCLUSIONS The incidence of iatrogenic dural tear was 3.9%. The incidence of dural tear was doubled in secondary surgery. The duration of surgery increased by 16 minutes and the patients with dural tear were also hospitalized one day longer.

UI MeSH Term Description Entries
D007405 Intervertebral Disc Displacement An INTERVERTEBRAL DISC in which the NUCLEUS PULPOSUS has protruded through surrounding ANNULUS FIBROSUS. This occurs most frequently in the lower lumbar region. Disc Herniation,Disc Protrusion,Disc, Herniated,Disk Herniation,Disk Protrusion,Disk, Herniated,Intervertebral Disc Herniation,Intervertebral Disc Protrusion,Intervertebral Disk Displacement,Intervertebral Disk Herniation,Intervertebral Disk Protrusion,Prolapsed Disk,Protruded Disc,Protruded Disk,Slipped Disk,Disk Prolapse,Herniated Disc,Herniated Disk,Prolapsed Disc,Slipped Disc,Disc Displacement, Intervertebral,Disc Herniations,Disc Protrusion, Intervertebral,Disc Protrusions,Disc Protrusions, Intervertebral,Disc, Prolapsed,Disc, Protruded,Disc, Slipped,Discs, Protruded,Disk Displacement, Intervertebral,Disk Herniations,Disk Prolapses,Disk Protrusion, Intervertebral,Disk Protrusions,Disk, Prolapsed,Disk, Protruded,Disk, Slipped,Herniated Discs,Herniated Disks,Herniation, Disc,Herniation, Disk,Herniation, Intervertebral Disc,Herniation, Intervertebral Disk,Intervertebral Disc Displacements,Intervertebral Disc Herniations,Intervertebral Disc Protrusions,Intervertebral Disk Displacements,Intervertebral Disk Herniations,Intervertebral Disk Protrusions,Prolapse, Disk,Prolapsed Discs,Prolapsed Disks,Prolapses, Disk,Protruded Discs,Protruded Disks,Protrusion, Disc,Protrusion, Disk,Protrusion, Intervertebral Disc,Protrusion, Intervertebral Disk,Protrusions, Intervertebral Disk,Slipped Discs,Slipped Disks
D007431 Intraoperative Complications Complications that affect patients during surgery. They may or may not be associated with the disease for which the surgery is done, or within the same surgical procedure. Peroperative Complications,Surgical Injuries,Complication, Intraoperative,Complication, Peroperative,Injuries, Surgical,Complications, Intraoperative,Complications, Peroperative,Injury, Surgical,Intraoperative Complication,Peroperative Complication,Surgical Injury
D008159 Lumbar Vertebrae VERTEBRAE in the region of the lower BACK below the THORACIC VERTEBRAE and above the SACRAL VERTEBRAE. Vertebrae, Lumbar
D011183 Postoperative Complications Pathologic processes that affect patients after a surgical procedure. They may or may not be related to the disease for which the surgery was done, and they may or may not be direct results of the surgery. Complication, Postoperative,Complications, Postoperative,Postoperative Complication
D012086 Reoperation A repeat operation for the same condition in the same patient due to disease progression or recurrence, or as followup to failed previous surgery. Revision, Joint,Revision, Surgical,Surgery, Repeat,Surgical Revision,Repeat Surgery,Revision Surgery,Joint Revision,Revision Surgeries,Surgery, Revision
D004388 Dura Mater The outermost of the three MENINGES, a fibrous membrane of connective tissue that covers the brain and the spinal cord. Falx Cerebelli,Falx Cerebri,Pachymeninx,Tentorium Cerebelli
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D012189 Retrospective Studies Studies used to test etiologic hypotheses in which inferences about an exposure to putative causal factors are derived from data relating to characteristics of persons under study or to events or experiences in their past. The essential feature is that some of the persons under study have the disease or outcome of interest and their characteristics are compared with those of unaffected persons. Retrospective Study,Studies, Retrospective,Study, Retrospective
D012307 Risk Factors An aspect of personal behavior or lifestyle, environmental exposure, inborn or inherited characteristic, which, based on epidemiological evidence, is known to be associated with a health-related condition considered important to prevent. Health Correlates,Risk Factor Scores,Risk Scores,Social Risk Factors,Population at Risk,Populations at Risk,Correlates, Health,Factor, Risk,Factor, Social Risk,Factors, Social Risk,Risk Factor,Risk Factor Score,Risk Factor, Social,Risk Factors, Social,Risk Score,Score, Risk,Score, Risk Factor,Social Risk Factor
D013130 Spinal Stenosis Narrowing of the spinal canal. Spinal Stenoses,Stenoses, Spinal,Stenosis, Spinal

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