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1.
Bong Gun Lee Jung-Hwan Choi Dong-Yun Kim Won Rak Choi Seung Gun Lee Chang-Nam Kang 《The spine journal》2019,19(2):301-305
Background context
It has been reported that newly developed osteoporotic vertebral compression fractures (OVCFs) occur at a relatively high frequency after treatment. While there are many reports on possible risk factors, these have not yet been clearly established.Purpose
The purpose of this study was to investigate the risk factors for newly developed OVCFs after treatment by vertebroplasty (VP), kyphoplasty (KP), or conservative treatment.Study design/setting
A retrospective comparative study.Patient sample
One hundred thirty-two patients who had radiographic follow-up data for one year or longer among 356 patients who were diagnosed with OVCF and underwent VP, KP or conservative treatment between March 2007 and February 2016.Outcome measures
All records were examined for age, sex, body mass index (BMI), rheumatoid arthritis and other medical comorbidities, osteoporosis medication, bone mineral density (BMD), history of vertebral and nonvertebral fractures, treatment methods used, level of fractures, and presence of multiple fracture sites.Methods
Patients were divided into those who manifested new OVCF (Group A) and those who did not (Group B). For the risk factor analysis, student's t-tests and chi-square tests were used in univariate analysis. Multivariate logistic regression analysis was carried out on variables with a p<.1 in the univariate analysis.Results
Newly developed OVCFs occurred in 46 of the 132 patients (34.8%). Newly developed OVCF increased significantly with factors such as average age (p=.047), low BMD T-score of the lumbar spine (p=.04) and of the femoral neck (p=.046), advanced age (>70 years) (p=.011), treatment by cement augmentation (p=.047) and low compliance with osteoporosis medication (p=.029). In multivariate regression analysis, BMD T-score of the lumbar spine (p=.009) and treatment by cement augmentation (p=.044) showed significant correlations with the occurrence of new OVCFs with a predictability of 71.4%.Conclusion
Osteoporotic vertebral compression fracture patients with low BMD T-score of the lumbar spine and those who have been treated by cement augmentation have an increased risk of new OVCFs after treatment and, therefore, require especially careful observation and attention. 相似文献2.
Stephan N. Salzmann Toshiyuki Shirahata Jingyan Yang Courtney Ortiz Miller Brandon B. Carlson Colleen Rentenberger John A. Carrino Jennifer Shue Andrew A. Sama Frank P. Cammisa Federico P. Girardi Alexander P. Hughes 《The spine journal》2019,19(4):695-702
BACKGROUND CONTEXT
Quantitative computed tomography (QCT) of the lumbar spine is used as an alternative to dual-energy X-ray absorptiometry in assessing bone mineral density (BMD). The average BMD of L1-L2 is the standard reportable metric used for diagnostic purposes according to current recommendations. The density of L1 and L2 has also been proposed as a reference value for the remaining lumbosacral vertebrae and is commonly used as a surrogate marker for overall bone health. Since regional BMD differences within the spine have been proposed, it is unclear if the L1-L2 average correlates with the remainder of the lumbosacral spine.PURPOSE
The aim of this study was to determine possible BMD variations throughout the lumbosacral spine in patients undergoing lumbar fusion and to assess the correlation between the clinically used L1-L2 average and the remaining lumbosacral vertebral levels.STUDY DESIGN/SETTING
This is a retrospective case series.PATIENT SAMPLE
Patients undergoing posterior lumbar spinal fusion from 2014 to 2017 at a single, academic institution with available preoperative CT imaging were included in this study.OUTCOME MEASURES
The outcome measure was BMD measured by QCT.METHODS
Standard QCT measurements at the L1 and L2 vertebra and additional experimental measurements of L3, L4, L5, and S1 were performed. Subjects with missing preoperative lumbar spine CT imaging were excluded. The correlations between the L1-L2 average and the other vertebral bodies of the lumbosacral spine (L3, L4, L5, S1) were evaluated.RESULTS
In total, 296 consecutive patients (55.4% female, mean age of 63.1 years) with available preoperative CT were included. The vertebral BMD values showed a gradual decrease from L1 to L3 and increase from L4 to S1 (L1=118.8 mg/cm3, L2=116.6 mg/cm3, L3=112.5 mg/cm3, L4=122.4 mg/cm3, L5=135.3 mg/cm3, S1=157.4 mg/cm3). There was strong correlation between the L1-L2 average and the average of the other lumbosacral vertebrae (L3-S1) with a Pearson's correlation coefficient (r=0.85). We also analyzed the correlation between the L1-L2 average and each individual lumbosacral vertebra. Similar relationships were observed (r value, 0.67–0.87), with the strongest correlation between the L1-L2 average and L3 (r=0.87).CONCLUSIONS
Our data demonstrate regional BMD differences throughout the lumbosacral spine. Nevertheless, there is high correlation between the clinically used L1-L2 average and the BMD values in the other lumbosacral vertebrae. We, therefore, conclude the standard clinically used L1-L2 BMD average is a useful bone quantity measure of the entire lumbosacral spine in patients undergoing lumbar spinal fusion. 相似文献3.
Background context
Lumbar pedicle screw placement can be technically challenging. Malpositioned screws occur in up to 15% of patients and could result in radiculopathy or instrumentation failure.Purpose
To compare intraoperative electromyography (EMG) and image guidance using an O-arm for identifying pedicle breach during elective lumbar fusion.Study design
Prospective observational study.Patient sample
All adult patients undergoing elective lumbar spinal fusion operations for degenerative spine disorders (including adjacent segment degeneration, degenerative scoliosis, and symptomatic spondylosis and spondylolisthesis) at a single institution from July 1, 2014, to December 1, 2015, were prospectively tracked.Outcome measures
Pedicle breach.Methods
Pedicle screws from L2–S1 were placed using C-arm assisted freehand technique. All screws were stimulated with EMG and evaluated using the O-arm intraoperative imaging system. Electromyography data were compared with intraoperative images to assess the accuracy of identifying pedicle breaches. No funding was received for this work.Results
One thousand six lumbar pedicles screws were placed from L2 to S1 in 164 consecutive cases. The mean patient age was 59.2 years. Thirty-five breaches (15 lateral and 20 medial) were visualized with O-arm imaging and confirmed by palpation (3.5% of screws placed). Of the breaches, 14 screws stimulated below the 12-mA threshold, nine screws stimulated between 12 and 20 mA, and 12 screws did not generate an EMG response. Forty screws stimulated below a 12-mA threshold but showed no breach on imaging. Using the 12-mA threshold, the sensitivity of EMG was 40%, specificity was 96%, positive predictive value was 26%, and negative predictive value was 98%. All 35 breached screws were corrected during surgery. There were no postoperative symptoms caused by breached screws and no patients required reoperation.Conclusions
Our findings indicate that EMG may not be a highly reliable tool in determining an anatomical breach during placement of lumbar pedicle screws. O-arm may be better for detecting either medial or lateral breaches than EMG stimulation if there are concerns about screw placement or for confirmation of placement before leaving the operating room. 相似文献4.
Yasmine Assadipour Hui Zhou Eric J. Kuo Philip I. Haigh Annette L. Adams Michael W. Yeh 《Surgery》2019,165(1):99-104
Background
Patients with primary hyperparathyroidism are at risk for skeletal and renal end-organ damage.Methods
We studied patients with biochemically confirmed primary hyperparathyroidism from 1995–2014 and quantified the frequency of osteoporosis, nephrolithiasis, hypercalciuria, and decrease in renal function.Results
The cohort comprised 9,485 patients. In total, 3,303 (35%) had preexisting end-organ effects (osteoporosis, 24%; nephrolithiasis, 10%; hypercalciuria, 5%). Of 6,182 remaining patients, 1,769 (29%) exhibited progression to 1 or more end-organ effects over a median 3.7 years. Among patients with classic primary hyperparathyroidism (calcium and parathyroid hormone increased), progression was unrelated to the degree of hypercalcemia (calcium >11.5 mg/dL, hazard ratio 1.03, 95% confidence interval 0.85–1.25; 11.1–11.5 mg/dL, HR 1.07, 95% confidence interval 0.93–1.23; 10.5–11.0 mg/dL?=?reference). Patients with nonclassic primary hyperparathyroidism (calcium increased, parathyroid hormone 40–65 pg/mL) had a lesser risk of progression (calcium >11.5 mg/dL, hazard ratio 0.68, 95% confidence interval 0.50–0.94; 11.1–11.5 mg/dL, hazard ratio 0.68, 95% confidence interval 0.56–0.82; 10.5–11.0 mg/dL, hazard ratio 0.66, 95% confidence interval 0.59–0.74). End-organ damage developed before or within 5 years of diagnosis for 62% of patients.Conclusion
End-organ manifestations of primary hyperparathyroidism develop before biochemical diagnosis or within 5 years in most patients. End-organ damage occurred more frequently in patients with classic primary hyperparathyroidism versus nonclassic primary hyperparathyroidism, regardless of severity of hypercalcemia. 相似文献5.
José Miguel Spirig Reto Sutter Tobias Götschi Nadja A. Farshad-Amacker Mazda Farshad 《The spine journal》2019,19(3):461-468
BACKGROUND CONTEXT
Pedicle screw loosening is common after spinal fusion and can be associated with pseudoarthrosis and pain. With suspicion of screw loosening on standard radiographs, CT is currently considered the advanced imaging modality of choice. MRI with new metal artifact reduction techniques holds potential to be sensitive in detection of screw loosening. The sensitivity and specificity of either of the imaging modalities are yet clear.PURPOSE
To evaluate the sensitivity and specificity of three different image modalities (standard radiographs, CT, and MRI) for detection of pedicle screw loosening.STUDY DESIGN/SETTING
Cross-sectional diagnostic study.PATIENT SAMPLE
Forty-one patients (159 pedicle screws) undergoing revision surgeries after lumbar spinal fusion between August 2014 and April 2017 with preoperative radiographs, CT, and MRI with spinal metal artifact reduction (STIR WARP and TSE high bandwidth sequences).OUTCOME MEASURES
Sensitivity and specificity in detection of screw loosening for each imaging modality.METHODS
Screw torque force was measured intraoperatively and compared with preoperative screw loosening signs such as peri-screw edema in MRI and peri-screw osteolysis in CT and radiographs. A torque force of less than 60 Ncm was used to define a screw as loosened.RESULTS
Sensitivity and specificity in detection of screw loosening was 43.9% and 92.1% for MRI, 64.8% and 96.7% for CT, and 54.2% and 83.5% for standard radiographs, respectively.CONCLUSIONS
Despite improvement of MRI with metal artifact reduction MRI technique, CT remains the modality of choice. Even so, CT fails to detect all loosened pedicle screws. 相似文献6.
BACKGROUND CONTEXT
Patients with pyogenic vertebral osteomyelitis (PVO) are expected to have an increased risk of bone loss. Therefore, early bisphosphonate therapy would be clinically effective for PVO patients with osteoporosis.PURPOSE
This study aimed to investigate the effect of bisphosphonate on clinical outcomes of PVO patients with osteoporosis.STUDY DESIGN/SETTING
A retrospective comparative study.PATIENT SAMPLE
PVO patients with osteoporosis.OUTCOME MEASURES
Four events of interest for Cox proportional hazard model included surgical treatment, recurrence of infection, subsequent fracture of adjacent vertebral bodies, and death.METHODS
PVO patients were divided into three groups: group A (initiation of bisphosphonate within 6 weeks after PVO diagnosis), group B (initiation of bisphosphonate between 6 weeks and 3 months after PVO diagnosis), and group C (no treatment for osteoporosis). Cox proportional hazard model was used for the four events of interest.RESULTS
A total of 360 PVO patients with osteoporosis were investigated for the four events of interest. Group A had significantly lower hazard ratios for undergoing later (>6 weeks after diagnosis) surgery than group C (p?=?.014) despite similar occurrences of overall surgery. A significant difference was also observed in the occurrence of subsequent fractures at adjacent vertebral bodies (p?=?.001 for model 1 and p?=?.002 for model 2). Groups A and B had significantly lower hazard ratios for subsequent fracture than group C. No significant differences were observed in the hazard ratios of recurrence and death among the three groups.CONCLUSIONS
Early bisphosphonate treatment in PVO patients with osteoporosis was associated with a significantly lower occurrence of subsequent vertebral fracture at adjacent vertebral bodies and lower occurrence of subsequent surgery. 相似文献7.
Man Hung Charles L. Saltzman Maren W. Voss Jerry Bounsanga Richard Kendall Ryan Spiker Brandon Lawrence Darrel Brodke 《The spine journal》2019,19(1):34-40
BACKGROUND CONTEXT
The Patient-Reported Outcomes Information System (PROMIS) instruments are an important advancement in the use of PROs, but need to be evaluated with longitudinal data to determine whether they are responsive to change in specific clinical populations.PURPOSE
The purpose of this study was to assess the responsiveness of the PROMIS Physical Function (PF), PROMIS Pain Interference (PI), Neck Disability Index (NDI), and the Oswestry Disability Index (ODI).STUDY DESIGN/SETTING
This study entailed prospective data collection from consecutive patients aged 18 and older, visiting a university-based orthopaedic spine clinic between October 2013 and January 2017.PATIENT SAMPLE
A total of 763 participants in the sample had a mean age of 58 (SD?=?15) years and the sample was 50.2% male and 92.8% Caucasian.OUTCOME MEASURES
The PROMIS PF and PROMIS PI Computerized Adaptive Tests along with either the NDI or ODI instruments were administered on tablet computers before clinic visits. Global rating of change questions relating to pain and function levels was also administered.METHODS
Baseline scores were compared with follow-up scores at four different time-points from 3-months to 6-months and beyond. Patient demographics, mean scores, paired-sample t tests, Standardized Response Mean (SRM), and Effect Size (ES) were analyzed to determine instrument responsiveness. This project was funded by the National Institute of Arthritis and Musculoskeletal and Skin Diseases of the National Institutes of Health under award number U01AR067138 and the authors have no conflicts of interest to disclose.RESULTS
The PROMIS instruments were strongly correlated with each other as well as with the NDI and ODI. Responsiveness was significant on all four instruments at every time-point assessed (paired sample t tests ranged from p?<?.001 to p?=?.049). SRM's were large and over 0.94 for every instrument at every time-point. Cohen's d ES were large and over 0.96 for all at all time-points, except for the NDI which had ES ranging from 0.74 to 0.83. This study showed large effect sizes and responsiveness of the PROMIS PF, PROMIS PI, NDI and ODI in a population of orthopaedic patients with spine pathologies.CONCLUSION
This study demonstrates strong responsiveness of the PROMIS PF and PROMIS PI in a spine clinic population. 相似文献8.
BACKGROUND
The pattern of linear graph schematized by visual analogue scale (VAS) score displaying pain worsening between 2 days and 2 weeks after selective nerve root block (SNRB) is called rebound pain.PURPOSE
The purpose of this study was to determine if sodium hyaluronate and carboxymethyl cellulose solution (HA-CMC sol) injection could reduce the occurrence of rebound pain at 3 days to 2 weeks after SNRB in patients with radiculopathy compared with injection with corticosteroids and local anesthetics alone.STUDY DESIGN/SETTING
Double blinded randomized controlled clinical trial.PATIENT SAMPLE
A total of 44 patients (23 of 24 patients in the Guardix group and 21 of 24 patients in the control group) who finished the follow-up session were subjects of this study.OUTCOME MEASUREMENT
Patients were asked to write down their average VAS pain scores daily for 12 weeks. Functional outcomes were assessed by Oswestry Disability Index, Roland Morris Disability Questionnaire , and Short Form-36.METHOD
A cocktail of corticosteroids, 1% lidocaine, 0.5% Bupivacaine, and 1 mL of normal saline was used for the control group whereas a cocktail of corticosteroids, 1% lidocaine, 0.5% Bupivacaine, and 1 mL of HA-CMC solution was used for the G group. Study participants were randomized into one of two treatment regimens. They were followed up for 3 months.RESULTS
VAS score at 2 weeks after the procedure was 4.19±1.32 in the control group, which was significantly (p<.05) higher than that (2.43±1.24) in the G group. VAS score at 6 weeks after the procedure was 4.00±1.23 in the control group and 3.22±1.45 in the G group, showing no significant (p=.077) difference between the two groups. There were no significant differences in functional outcomes at 6 or 12 weeks after the procedure.CONCLUSIONS
Compared with conventional cocktail used for SNRB, addition of HA-CMC sol showed effective control of rebound pain at 3 days to 2 weeks after the procedure. 相似文献9.
P. Endler P. Ekman H. Ljungqvist T.B. Brismar P. Gerdhem H. Möller 《The spine journal》2019,19(3):501-508
BACKGROUND CONTEXT
Data on the long-term outcome after fusion for isthmic spondylolisthesis are scarce.PURPOSE
To study patient-reported outcomes and adjacent segment degeneration (ASD) after fusion for isthmic spondylolisthesis and to compare patient-reported outcomes with a control group.STUDY DESIGN/SETTING
A prospective study including a cross-sectional control group.PATIENT SAMPLE
Patients with isthmic spondylolisthesis underwent posterior lumbar interbody fusion (PLIF) (n=86) or posterolateral fusion (PLF) (n=77). Patient-reported outcome data were available for 73 patients in the PLIF group and 71 in the PLF group at a mean of 11 (range 5–16) years after baseline. Seventy-seven patients in the PLIF group and 54 in the PLF group had radiographs at a mean of 14 (range 9–19) years after baseline. One hundred thirty-six randomly selected persons from the population served as controls for the patient-reported outcomes.OUTCOME MEASURES
Patient-reported outcomes include the following: global outcome, Oswestry Disability Index, Disability Rating Index, and Short Form 36. The ASD was determined from radiographs using the University of California Los Angeles (UCLA) grading scale.METHODS
: The chi-square test or analysis of covariance (ANCOVA) was used for group comparisons. The ANCOVA was adjusted for follow-up time, smoking, Meyerding slippage grade, teetotaler (yes/no) and, if available, the baseline level of the dependent variable.RESULTS
There were no significant patient-reported outcome differences between the PLIF group and the PLF group. The prevalence of ASD was 42% (32/77) in the PLIF group and 26% (14/54) in the PLF group (p=.98). The patient-reported outcome data indicated lower physical function and more pain in individuals with surgically treated isthmic spondylolisthesis compared to the controls.CONCLUSIONS
PLIF and PLF groups had similar long-term patient-reported and radiological outcomes. Individuals with isthmic spondylolisthesis have lower physical function and more pain several years after surgery when compared to the general population. 相似文献10.
Jonathan J. Cui Raj J. Gala Nathaniel T. Ondeck Ryan P. McLynn Patawut Bovonratwet Blake Shultz Jonathan N. Grauer 《The spine journal》2019,19(4):631-636
Background Context
Posterior lumbar fusion (PLF) is a commonly performed procedure. The evolution of bundled payment plans is beginning to require physicians to more closely consider patient outcomes up to 90 days after an operation. Current quality metrics and other databases often consider only 30 postoperative days. The relatively new Healthcare Cost and Utilization Project Nationwide Readmissions Database (HCUP-NRD) tracks patient-linked hospital admissions data for up to one calendar year.Purpose
To identify readmission rates within 90 days of discharge following PLF and to put this in context of 30 day readmission and baseline readmission rates.Study Design
Retrospective study of patients in the HCUP-NRD.Patient Sample
Any patient undergoing PLF performed in the first 9 months of 2013 were identified in the HCUP-NRD.Outcome Measures
Readmission patterns up to a full calendar year after discharge.Methods
PLFs performed in the first 9 months of 2013 were identified in the HCUP-NRD. Patient demographics and readmissions were tracked for 90 days after discharge. To estimate the average admission rate in an untreated population, the average daily admission rate in the last quarter of the year was calculated for a subset of PLF patients who had their operation in the first quarter of the year. This study was deemed exempt by the institution's Human Investigation Committee.Results
Of 26,727 PLFs, 1,580 patients (5.91%) were readmitted within 30 days of discharge and 2,603 patients (9.74%) were readmitted within 90 days of discharge. Of all readmissions within 90 days, 54.56% occurred in the first 30 days. However, if only counting readmissions above the baseline admission rate of a matched population from the 4th quarter of the year (0.08% of population/day), 89.78% of 90 day readmissions occurred within the first 30 days.Conclusions
The current study delineates readmission rates after PLF and puts this in the context of 30-day readmission rates and baseline readmission rates for those undergoing PLF. These results are important for patient counseling, planning, and preparing for potential bundled payments in spine surgery. 相似文献11.
Shinichi Ishihara Nobuyuki Fujita Koichiro Azuma Takehiro Michikawa Mitsuru Yagi Takashi Tsuji Michiyo Takayama Hideo Matsumoto Masaya Nakamura Morio Matsumoto Kota Watanabe 《The spine journal》2019,19(3):493-500
BACKGROUND CONTEXT
Spinal epidural lipomatosis (SEL) is a condition in which excess lumbar epidural fat (EF) deposition often leads to compression of the cauda equina or nerve root. Although SEL is often observed in obese adults, no systematic research investigating the potential association between SEL and metabolic syndrome has been conducted.PURPOSE
To elucidate potential association between SEL and metabolic syndrome.STUDY DESIGN
An observational study used data of a medical checkup.PATIENT SAMPLE
We retrospectively reviewed data from consecutive subjects undergoing medical checkups. A total of 324 subjects (174 men and 150 women) were enrolled in this study.OUTCOME MEASURES
The correlation of EF accumulation with demographic data and metabolic-related factors was evaluated.METHODS
The degree of EF accumulation was evaluated based on the axial views of lumbar magnetic resonance imaging. Visceral and subcutaneous fat areas were measured at the navel level using abdominal computed tomography. Metabolic syndrome was diagnosed according to the criteria of the Japanese Society of Internal Medicine. The correlation of SEL with metabolic syndrome and metabolic-related conditions was statistically evaluated.RESULTS
The degree of EF accumulation demonstrated a significant correlation to body mass index, abdominal circumference, and visceral fat area. However, age, body fat percentage, and subcutaneous fat area showed no correlation with the degree of EF accumulation. Logistic regression analysis revealed that metabolic syndrome (odds ratio [OR]=3.8, 95% confidence interval [CI]=1.5–9.6) was significantly associated with SEL. Among the diagnostic criteria for metabolic syndrome, visceral fat area ≥100 cm2 (OR=4.8, 95% CI=1.5–15.3) and hypertension (OR=3.5, 95% CI=1.1–11.8) were observed to be independently associated with SEL.CONCLUSION
This is the first study to demonstrate that metabolic syndrome is associated with SEL in a relatively large, unbiased population. Our data suggest that metabolic-related conditions are potentially related to EF deposition and that SEL could be a previously unrecognized manifestation of metabolic syndrome. 相似文献12.
Shingo Morishita Toshitaka Yoshii Atsushi Okawa Kiyohide Fushimi Takeo Fujiwara 《The spine journal》2019,19(4):610-616
BACKGROUND CONTEXT
Surgical treatment of cervical ossification of the posterior longitudinal ligament (OPLL) has a high risk of various complications. Anterior decompression with fusion (ADF) and laminoplasty (LAMP) are the most representative surgical procedures. However, few studies have compared the two procedures in terms of perioperative surgical complications.PURPOSE
To compare the perioperative complications post-ADF and LAMP for cervical OPLL using a large national inpatient database.STUDY DESIGN
A retrospective cohort study with propensity score matching analysis.PATIENT SAMPLE
Overall, 8,718 (ADF/LAMP:1,333/7,485) patients who underwent surgery for cervical OPLL from April 1, 2010 to March 31, 2016 in hospitals using the diagnosis procedure combination were analyzed.OUTCOME MEASURES
The occurrence of postoperative complications during hospitalization.METHODS
We compared the perioperative systemic and local complications, reoperation rates, and costs between ADF and LAMP using propensity score matching analysis.RESULTS
One-to-one matching resulted in 1,192 pairs of patients who underwent ADF and LAMP. The postoperative cardiovascular event rate was significantly higher (ADF/LAMP=1.9/0.8%, p=.013) in the ADF group. The incidence rates of dysphagia (similarly, 2.4/0.2%, p<.001), pneumonia (1.0/0.3%, p=.045), and spinal fluid leakage (2.4/0.4%, p<.001) were also higher in the ADF group, even after matching. The costs were also higher in the ADF group. However, surgical site infection (2.0/3.4%, p=.033) was significantly lower in the ADF group. No significant difference in the reoperation rates was found between the groups.CONCLUSION
The present study, using a large nationwide database, demonstrated that perioperative complications were more common in the ADF group, but that surgical site infection (SSI) was more frequently observed in the LAMP group. 相似文献13.
Sung Hyun Noh Kyung Hyun Kim Dong Ah Shin Jeong Yoon Park Seong Yi Sung Uk Kuh Keung Nyun Kim Dong Kyu Chin Keun Su Kim Do Heum Yoon Yong Eun Cho 《The spine journal》2019,19(2):276-284
BACKGROUND CONTEXT
Because of the scarcity of atypical spinal meningioma, there is a lack of research on this type of tumor or its associated metastases.PURPOSE
The aim of this study was to investigate the biological behavior of atypical spinal meningioma and identify its prognostic factors by reviewing surgical and clinical outcomes of patients with these tumors.STUDY DESIGN
A retrospective chart review was performed.PATIENT SAMPLE
We retrospectively reviewed the data from all patients who underwent spinal cord tumor excision between 1994 and 2017. Seventeen patients were pathologically proven to have atypical spinal meningioma.OUTCOME MEASURES
We examined patients’ neurologic status by determining their Nurick scores before and after surgery. Moreover, imaging studies, laboratory data, and the employed surgical method were analyzed retrospectively, as was the Ki-67 index and prognosis following postoperative radiation therapy.METHODS
The ranges, locations, and pathologic diagnoses of the tumors were extracted from the radiological and pathological records of each patient. The extent of surgery and progression of disease were confirmed using postoperative enhanced magnetic resonance imaging. Patients were divided into two atypical spinal meningioma groups: primary and metastatic. The demographics, age, sex, presenting symptom duration, tumor location, Simpson resection grade, Ki-67, radiotherapy, recurrence, overall survival, and progression-free survival of patients in both groups were compared.RESULTS
Seventeen patients were included in the analysis, of whom 12 (70%), 4 (24%), and 1 (6%) had tumors in the thoracic, cervical, and sacral regions, respectively. Complete and subtotal resections were achieved in 15 (88%) and 2 (12%) patients, respectively. Overall and progression-free survival rates in patients who underwent complete resection were longer than those in patients who underwent subtotal resection (p<.001). Four patients (24%) had metastatic meningiomas in the brain, among whom three were administered adjuvant radiotherapy after surgery. Two patients with intramedullary atypical spinal meningioma had metastatic tumors and experienced poorer prognoses. The 5-year overall and progression-free survival rates were 84.4% and 85.2%, respectively. The Simpson resection grade, Ki-67 index, and preoperative neurologic status were found to be important prognostic factors on univariate Cox regression analysis (p<.05).CONCLUSIONS
Complete resection should be considered as a primary treatment modality for individuals with atypical spinal meningioma. If subtotal resection is performed, adjuvant therapy can be administered. 相似文献14.
Ivy N. Haskins Lisbi Rivas Tammy Ju Ashlyn E. Whitlock Richard L. Amdur Anton N. Sidawy Paul P. Lin Khashayar Vaziri 《Surgery for obesity and related diseases》2019,15(1):109-115
Background
Venous thromboembolism, including pulmonary embolism (PE) and deep venous thrombosis, is a leading cause of morbidity and mortality after bariatric surgery. Inferior vena cava filters (IVCFs) have been used as a method to reduce the incidence of clinically significant PEs after bariatric surgery.Objectives
To compare the incidence of postoperative PEs in patients with IVCFs with those in patients without IVCFs at the time of bariatric surgery.Setting
American College of Surgeons Metabolic and Bariatric Surgery Accreditation and Quality Improvement Program.Methods
All patients undergoing laparoscopic Roux-en-Y gastric bypass or sleeve gastrectomy from 2015 to 2016 were identified within the Metabolic and Bariatric Surgery Accreditation and Quality Improvement Program database. Patients with an IVCF present at the time of surgery were compared with those patients without an IVCF present at the time of surgery with respect to preoperative patient variables, operative variables, incidence of 30-day PE, deep venous thrombosis, and additional 30-day morbidity and mortality.Results
A total of 286,704 patients met the inclusion criteria; 2512 (.9%) patients had an IVCF present at the time of surgical intervention, of which 1747 (69.5%) were placed within 30 days of bariatric surgery. Patients with an IVCF were higher-risk patients as determined by previously established risk factors for venous thromboembolism events. When a subgroup matched analysis using variables associated with the risk of venous thromboembolism events was performed looking at higher-risk patients only, there was no statistically significant difference in the incidence of PE based on the presence of an IVCF.Conclusion
IVCFs are being selectively placed in higher-risk patients. Despite their selective use, IVCFs do not appear to have a protective benefit with respect to the incidence of postoperative PE events. 相似文献15.
Victor E. Staartjes Alessandro Siccoli Marlies P. de Wispelaere Marc L. Schröder 《The spine journal》2019,19(4):637-644
BACKGROUND
In modern clinical research, the accepted minimum follow-up for patient-reported outcome measures (PROMs) after lumbar spine surgery is 24 months, particularly after fusion. Recently, this minimum requirement has been called into question.PURPOSE
We aim to quantify the concordance of 1- and 2-year PROMs to evaluate the importance of long-term follow-up after elective lumbar spine surgery.STUDY DESIGN
Retrospective analysis of data from a prospective registry.PATIENT SAMPLE
We identified all patients in our prospective institutional registry who underwent degenerative lumbar spine surgery with complete baseline, 12-month, and 24-month follow-up for ODI and numeric rating scales for back and leg pain (NRS-BP and NRS-LP).OUTCOME MEASURES
Oswestry Disability Index (ODI) and NRS-BP and NRS-LP at 1 year and at 2 years.METHODS
We evaluated concordance of 1- and 2-year change scores by means of Pearson's product-moment correlation and performed logistic regression to assess if achieving the minimum clinically important difference (MCID) at 12 months predicted 24-month MCID. Odds ratios (OR) and their 95% confidence intervals (CI), as well as model areas-under-the-curve were obtained.RESULTS
A total of 210 patients were included. We observed excellent correlation among 12- and 24-month ODI (r?=?0.88), NRS-LP (r?=?0.76) and NRS-BP (r?=?0.72, all p <.001). Equal results were obtained when stratifying for discectomy, decompression, or fusion. Patients achieving 12-month MCID were likely to achieve 24-month MCID for ODI (OR: 3.3, 95% CI: 2.4–4.1), NRS-LP (OR: 2.99, 95% CI: 2.2–4.2) and NRS-BP (OR: 3.4, 95% CI: 2.7–4.2, all p <.001) with excellent areas-under-the-curve values of 0.81, 0.77, and 0.84, respectively. Concordance rates between MCID at both follow-ups were 87.2%, 83.8%, and 84.2%. A post-hoc power analysis demonstrated sufficient statistical power.CONCLUSIONS
Irrespective of the surgical procedure, 12-month PROMs for functional disability and pain severity accurately reflect those at 24 months. In support of previous literature, our results suggest that 12 months of follow-up may be sufficient for evaluating spinal patient care in clinical practice as well as in research. 相似文献16.
BACKGROUND CONTEXT
The kinematics of the lumbar region and the activation patterns of the erector spinae muscle have been associated with the genesis of low back pain, which is one of the most common complications associated with pregnancy. Despite the high prevalence of pregnancy-related low back pain, the biomechanical adaptations of the lumbar region during pregnancy remain unknown.PURPOSE
This study analyzes lumbar spine motion and the activation pattern of the lumbar erector spinae muscle in healthy pregnant women.STUDY DESIGN
A case-control study.PATIENT SAMPLE
The study involved 34 nulliparous women (control group) and 34 pregnant women in the third trimester (week 36 ± 1).OUTCOME MEASURES
We recorded the parameters of angular displacement of the lumbar spine in the sagittal plane during trunk flexion-extension, and the EMG activity of the erector spinae muscles during flexion, extension, eccentric and concentric contractions, and the myolectrical silence.METHODS
The participants performed several series of trunk flexion-extension movements, which were repeated 2 months postpartum. The position of the lumbar spine was recorded using an electromagnetic motion capture system. EMG activity was recorded by a surface EMG system and expressed as a percentage of a submaximal reference contraction.RESULTS
Antepartum measurements showed a decrease (relative to control and postpartum measurements) in lumbar maximum flexion (52.5 ± 10.5° vs 57.3 ± 7.7° and 58.7 ± 8.6°; p < .01), the percentage of lumbar flexion during forward bending (56.4 ± 5.6% vs 59.4 ± 6.8% and 59.7 ± 5.6%; p < .01), and the time keeping maximum levels of lumbar flexion (35.7 ± 6.7% vs 43.8 ± 5.3% and 50.1 ± 3.7%; p < .01). Higher levels of erector spinae activation were observed in pregnant women during forward bending (10.1 ± 4.8% vs 6.3 ± 2.4% and 6.6 ± 2.7%; p < .01) and eccentric contraction (12.1 ± 5.2% vs 9.4 ± 3.1% and 9.1 ± 2.9%; p < .01), as well as a shortened erector spinae myoelectric silence during flexion.Conclusions
Pregnant women show adaptations in their patterns of lumbar motion and erector spinae activity during trunk flexion-extension. These changes could be associated with the genesis of pregnancy-related low back pain, by means of biomechanical protection mechanisms against the increase on abdominal mass and ligamentous laxity. 相似文献17.
BACKGROUND CONTEXT
Fungal spinal epidural abscess (FSEA) is a rare entity with high morbidity and mortality. Reports describing the clinical features, diagnosis, treatment, and outcomes of FSEA are scarce in the literature.PURPOSE
This study aimed to describe the clinical features, diagnosis, treatment, and outcomes of FSEA.STUDY DESIGN
This study is designed as a retrospective clinical case series.PATIENT SAMPLE
A continuous series of patients with the diagnosis of FSEA who presented at our institution from 1993 to 2016.METHODS
We reviewed the electronic medical records of patients with SEA who were treated within our hospital system from 1993 to 2016. We only included SEA cases that were due to fungi. We also reviewed FSEA cases in the English language literature from 1952 to 2017 to analyze the features of FSEA.RESULTS
From a database of 1,053 SEA patients, we identified 9 patients with FSEA. Aspergillus fumigatus was isolated from 2 (22%) patients, and Candida species were isolated from 7 (78%). Focal spine pain, neurologic deficit, and fever were demonstrated in 89%, 50%, and 44% of FSEA cases, respectively. Five of nine cases involved the thoracic spine, and eight were located anterior to the thecal sac. Three cases had fungemia, six had long symptom duration (>2 weeks) prior to presentation, seven had concurrent immunosuppression, and eight had vertebral osteomyelitis. Additionally, one case had residual motor deficit at last follow-up, one had S1 sensory radicular symptoms, two suffered recurrent FSEA, two died within hospitalization, and two died within 90 days after discharge.CONCLUSIONS
In summary, the classic diagnostic triad (focal spine pain, neurologic deficit, and fever) is not of great clinical utility for FSEA. Biopsy, intraoperative tissue culture, and blood culture can be used to diagnose FSEA. The most common pathogens of FSEA are Aspergillus and Candida species. Therefore, empiric treatment for FSEA should cover these species while definitive identification is pending. FSEA is found in patients with poor baseline health status, which is the essential reason for its high mortality. 相似文献18.
Micheal Raad Amit Jain Mitchell Huang Richard L. Skolasky Daniel M. Sciubba Khaled M. Kebaish Brian J. Neuman 《The spine journal》2019,19(1):50-55
BACKGROUND CONTEXT
Validity and responsiveness of the Patient-Reported Outcomes Measurement Information System (PROMIS) have been investigated in several orthopaedic subspecialties. PROMIS has shorter completion time and greater research flexibility for the heterogeneous adult spinal deformity (ASD) population versus the Oswestry Disability Index (ODI) and Scoliosis Research Society 22-item questionnaire (SRS-22r).PURPOSE
Evaluate the validity and responsiveness of PROMIS in ASD surgery, during the early postoperative period.DESIGN
Prospective, longitudinal study.PATIENT SAMPLE
One hundred twenty-three patients with complete SRS-22r and PROMIS data.OUTCOME MEASURES
Validity and responsiveness of PROMIS versus the ODI and SRS-22r.METHODS
We identified patients who completed SRS-22r, ODI, and PROMIS questionnaires. Spearman's correlation was used to assess validity, paired-samples t tests to assess responsiveness, and Cohen's d to assess measure of effect. The authors report no conflicts of interests. No funding was received in support of this study.RESULTS
One hundred twenty-three patients with SRS-22r and PROMIS data from the preoperative visit were included in the validity analysis. Seventy-six patients with preoperative and early postoperative (6-week to 3-month) data were included in the responsiveness analysis. The SRS-22r function, self-image, pain, and mental health scores were moderately to strongly correlated with the following PROMIS domains: physical function (r?=?0.53), satisfaction with participation in social roles (r?=?0.51), pain (r?=??0.60), and anxiety (r?=??0.73). All SRS-22r domains, PROMIS domains, and ODI scores changed significantly from preoperatively to postoperatively (p < 0.05). Compared with the SRS-22r, PROMIS showed superior responsiveness across all domains except self-image.CONCLUSIONS
Our results indicate that PROMIS is a valid measure with comparable responsiveness to that of the SRS-22r and ODI during the early period after ASD surgery. However, a domain that reflects how ASD patients perceive their self-image should be developed and validated. 相似文献19.
Katherine D. Gray Sahar Bannani Cécile Caillard Sonia Amanat Timothy M. Ullmann Pavel Romanov Laurent Brunaud Toni Beninato Thomas J. Fahey Eric Mirallie Rasa Zarnegar 《Surgery》2019,165(1):37-43
Objectives
We aimed to determine the effect of adjuvant radioactive iodine dose on recurrence rate in high-risk papillary thyroid cancer.Methods
More than 1,500 patients treated for papillary thyroid cancer at high-volume centers in France and the United States from 2004–2014 were reviewed. Patients considered at high risk for recurrence per the 2015 American Thyroid Association guidelines were analyzed and grouped by initial radioactive iodine dose: intermediate (median 100 mCi) or high dose (median 150 mCi). Propensity score matching was performed to control for baseline characteristics.Results
In a propensity-matched cohort of 66 patient pairs, there were equivalent rates of gross extrathyroidal extension (71% vs 71%, P?=?1.00), positive margins (55% vs 55%, P?=?1.00), lymph node metastases ≥ 3 cm (9% vs 9%, P?=?1.00), extranodal extension (32% vs 33%, P?=?.85), and distant metastases (2% vs 5%, P?=?.31). Over a median follow-up of 4.5 years (interquartile ratio 2.0–7.5 years), the intermediate-dose radioactive iodine group had a significantly higher rate of recurrence than patients in the high-dose radioactive iodine group: 24 out of 66 (36%) vs 13 out of 66 (20%), P?=?.03.Conclusion
High-dose radioactive iodine is associated with lower recurrence rate compared with intermediate-dose radioactive iodine for patients with American Thyroid Association high-risk papillary thyroid cancer. 相似文献20.
Abel Boerboom Jens Homan Edo Aarts Theo Aufenacker Ignace Janssen Frits Berends 《Surgery for obesity and related diseases》2019,15(1):60-69