70 research outputs found

    Mild traumatic brain injury

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    Spontaneous Spinal Epidural Hematoma : A Surgical Case Series of Ten Patients

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    BACKGROUND: Spontaneous spinal epidural hematoma (SS-EDH) is a rare neurosurgical emergency. Little is known about predictive factors of outcome in patients with SS-EDH. Here, we present a case series of patients operated on for an SS-EDH. METHODS: We reviewed all cases of patients operated on for an SS-EDH between January 2009 and February 2016 in a large academic neurosurgical center. We recorded preadmission functional status, bleeding characteristics, and postsurgery outcome. Good outcome was defined, according to the Nurick score, as at least being able to walk in a way that did not prevent employment. Mean follow-up time was 19 months (standard deviation, 25 months). RESULTS: Ten patients, with a mean age of 70 years (standard deviation, 10), with SS-EDH were included. The location of SS-EDH was binomially distributed, with the highest frequencies in the upper thoracic region (Th3-5) and middle to low cervical region (C4-6). Five patients had a poor outcome. Of these, 3 remained chair bound or bedridden. No statistically significant association could be found between preoperative characteristics and outcome, but patients with poor preoperative motor function, thoracic hematoma, and more than 4 involved segments had a high rate of poor neurologic outcome. We could not establish any association between time delay from symptom onset to surgery and outcome. CONCLUSIONS: In our series, half of the patients with SS-EDH recovered well after surgery. Although no statistically significant association could be established, hematoma location, size, and preoperative motor function seem to be some of the most important predictive factors of postoperative recovery.Peer reviewe

    Spontaneous angiogram-negative subarachnoid hemorrhage : a retrospective single center cohort study

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    Background Spontaneous angiogram-negative subarachnoid hemorrhage (SAH) is considered a benign illness with little of the aneurysmal SAH-related complications. We describe the clinical course, SAH-related complications, and outcome of patients with angiogram-negative SAH. Methods We retrospectively reviewed all adult patients admitted to a neurosurgical intensive care unit during 2004-2018 due to spontaneous angiogram-negative SAH. Our primary outcome was a dichotomized Glasgow Outcome Scale (GOS) at 3 months. We assessed factors that associated with outcome using multivariable logistic regression analysis. Results Of the 108 patients included, 84% had a favorable outcome (GOS 4-5), and mortality was 5% within 1 year. The median age was 58 years, 51% were female, and 93% had a low-grade SAH (World Federation of Neurosurgical Societies grading I-III). The median number of angiograms performed per patient was two. Thirty percent of patients showed radiological signs of acute hydrocephalus, 28% were acutely treated with an external ventricular drain, 13% received active vasospasm treatment and 17% received a permanent shunt. In the multivariable logistic regression model, only acute hydrocephalus associated with unfavorable outcome (odds ratio = 4.05, 95% confidence interval = 1.05-15.73). Two patients had a new bleeding episode. Conclusion SAH-related complications such as hydrocephalus and vasospasm are common after angiogram-negative SAH. Still, most patients had a favorable outcome. Only acute hydrocephalus was associated with unfavorable outcome. The high rate of SAH-related complications highlights the need for neurosurgical care in these patients.Peer reviewe

    Favorable long-term outcome in young adults undergoing surgery for lumbar disc herniation

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    Purpose The purpose of the study was to evaluate the long-term outcome after surgery for lumbar disc herniation in a young adult population. Methods A total of 526 consecutive patients between 18 and 40 years of age who underwent surgery for lumbar disc between 1990 and 2005 were included in the study. The primary outcomes were the need for new lumbar spine surgery during the follow-up and secondary outcomes were short-term subjective outcome, the Oswestry Disability Index (ODI) score, and the ability to carry out employment at the end of the long-term follow-up. Results A total of 96% of the patients had a reduction in their symptoms at the clinical follow-up (median of 50 days postsurgery). Twenty-one patients (4.0%) had a reoperation within 28 days. Excluding these early reoperations, 136 patients (26%) had additional lumbar spine surgery and 18 patients (3.4%) underwent lumbar fusion during the follow-up of median 18 years. The annual risk for new surgery was 1.4%. In total, 316 patients (60%) returned the ODI questionnaire, and their mean score was 8.1. Patients with a higher number of additional lumbar spine surgeries (p < 0.001) reported deteriorating ODI scores. Conclusion Patients showed excellent short-term recovery from their symptoms. In the long term, the mean ODI score for the patients was comparable to the normative population. However, a notable proportion of the patients required additional lumbar surgery during the follow-up period, and a higher number of lumbar surgeries was associated with poor ODI scores.Peer reviewe

    Spontaneous angiogram-negative subarachnoid hemorrhage : a retrospective single center cohort study

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    Background Spontaneous angiogram-negative subarachnoid hemorrhage (SAH) is considered a benign illness with little of the aneurysmal SAH-related complications. We describe the clinical course, SAH-related complications, and outcome of patients with angiogram-negative SAH. Methods We retrospectively reviewed all adult patients admitted to a neurosurgical intensive care unit during 2004-2018 due to spontaneous angiogram-negative SAH. Our primary outcome was a dichotomized Glasgow Outcome Scale (GOS) at 3 months. We assessed factors that associated with outcome using multivariable logistic regression analysis. Results Of the 108 patients included, 84% had a favorable outcome (GOS 4-5), and mortality was 5% within 1 year. The median age was 58 years, 51% were female, and 93% had a low-grade SAH (World Federation of Neurosurgical Societies grading I-III). The median number of angiograms performed per patient was two. Thirty percent of patients showed radiological signs of acute hydrocephalus, 28% were acutely treated with an external ventricular drain, 13% received active vasospasm treatment and 17% received a permanent shunt. In the multivariable logistic regression model, only acute hydrocephalus associated with unfavorable outcome (odds ratio = 4.05, 95% confidence interval = 1.05-15.73). Two patients had a new bleeding episode. Conclusion SAH-related complications such as hydrocephalus and vasospasm are common after angiogram-negative SAH. Still, most patients had a favorable outcome. Only acute hydrocephalus was associated with unfavorable outcome. The high rate of SAH-related complications highlights the need for neurosurgical care in these patients.Peer reviewe

    Anterior cervical discectomy and fusion in young adults leads to favorable outcome in long-term follow-up

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    Background Context Anterior cervical discectomy and fusion (ACDF) procedures is thought to lead to accelerated degeneration of the adjacent cervical discs and in some cases can be symptomatic (adjacent segment disease, or ASD). The occurrence of ASD is of particular interest when treating young individuals, as the cumulative disease burden may become increasingly significant during their expectedly long lifetime. However, the overall impact of a surgical intervention on the lifetime prognosis of ASD remains unclear. Purpose Our goal was to study the long-term outcomes of ACDF surgery among those members of the young adult population who have been operated on between the ages of 18 and 40. Study design Retrospective study. Patient Sample All patients between 18 and 40 years of age at the time of surgery who underwent ACDF due to degenerative cervical disorders at Helsinki University Hospital between the years of 1990 and 2005 (476 patients). Outcome Measures Cervical reoperation rate, satisfaction with the surgery, employment status, Neck Disability Index (NDI) Methods We retrospectively analyzed the medical records of all patients between 18 and 40 years of age at the time of surgery who underwent ACDF due to degenerative cervical disorders at Helsinki University Hospital between the years of 1990 and 2005. We sent questionnaires to all available patients at the end of the follow-up (median 17.5 years) to assess their current neck symptoms, general situations, and levels of satisfaction with the surgery. Furthermore, we compared the results for different types of ACDF surgeries (i.e., discectomy only versus synthetic cage or bone autograft implantation for fusion) in propensity-score-matched groups. Results Of the 476 patients who were included in the study, surgery was performed in 72% of the cases due to intervertebral disc herniation and in 28% due to spondylotic changes. The total reoperation rate during the entire follow-up (median 17.5 years) was 24%, and 19.5% if early reoperations (Peer reviewe

    Favorable long-term health-related quality of life after surgery for lumbar disc herniation in young adult patients

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    BackgroundLumbar disc herniation is often managed conservatively; nevertheless, surgical intervention can be required. Majority of patients experience a drastic relief of symptoms after surgery, but previous studies have reported that their health-related quality of life remains inferior compared to the general population for several years. There may be a major cumulative loss of health-related quality of life for young patients as they have long expected life ahead of them.MethodsA total of 526 eligible adult patients under the age of 40 underwent surgery for lumbar disc herniation from 1990 to 2005. Patients' baseline characteristics were acquired by chart review to confirm eligibility to the study. Follow-up quality of life data was acquired by sending patients EQ-5D questionnaire at median 18 years after index surgery, and those 316 patients responding to the questionnaire (60%) were included in the study. Propensity score matching was utilized to match every study patient with two general population sample participants from a large Finnish population health study. Primary objective was to compare the quality of life to that of the control population. Secondary objective was to explore which patient characteristics lead to inferior outcome.ResultsThe mean EQ-index for the patient cohort was 0.86, while it was 0.84 for the age and gender-matched general population sample (difference 0.02, 95% CI - 0.0004 to 0.049). Within the patient cohort, an increasing number of lifetime lumbar surgeries was associated with progressively deteriorating EQ-index scores (p = 0.049) and longer duration of symptoms prior to the surgery correlated with lower score (p = 0.013).ConclusionPatients who underwent surgery for lumbar disc herniation nearly two decades ago reported quality of life comparable to the age and gender-matched general population. However, patients who had undergone numerous lumbar surgeries had significantly worse outcome. Therefore, possible ways to prevent cumulation of lumbar surgeries could improve long-term health-related quality of life.Peer reviewe

    Temporal changes in outcome following intensive care unit treatment after traumatic brain injury : a 17-year experience in a large academic neurosurgical centre

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    Traumatic brain injury (TBI) is a major cause of morbidity and mortality. However, it remains undetermined whether long-term outcomes after TBI have improved over the past two decades. We conducted a retrospective analysis of consecutive TBI patients admitted to an academic neurosurgical ICU during 1999-2015. Primary outcomes of interest were 6-month all-cause mortality (available for all patients) and 6-month Glasgow Outcome Scale (GOS, available from 2005 onwards). GOS was dichotomized to favourable and unfavourable functional outcome. Temporal changes in outcome were assessed using multivariate logistic regression analysis, adjusting for age, sex, GCS motor score, pupillary light responsiveness, Marshall CT classification and major extracranial injury. Altogether, 3193 patients were included. During the study period, patient age and admission Glasgow Coma Scale score increased, while the overall TBI severity did not change. Overall unadjusted 6-month mortality was 25% and overall unadjusted unfavourable outcome (2005-2015) was 44%. There was no reduction in the adjusted odds of 6-month mortality (OR 0.98; 95% CI 0.96-1.00), but the adjusted odds of favourable functional outcome significantly increased (OR 1.08; 95% CI 1.04-1.11). Subgroup analysis showed outcome improvements only in specific subgroups (conservatively treated patients, moderate-to-severe TBI patients, middle-aged patients). During the past two decades, mortality after significant TBI has remained largely unchanged, but the odds of favourable functional outcome have increased significantly in specific subgroups, implying an improvement in quality of care. These developments have been paralleled by notable changes in patient characteristics, emphasizing the importance of continuous epidemiological monitoring.Peer reviewe
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