Abstract 2430: Should All Octogenarians Who Meet Criteria Receive an Implantable Cardioverter Defibrillator?

Circulation ◽  
2007 ◽  
Vol 116 (suppl_16) ◽  
Author(s):  
Kavita Phatak ◽  
Kevin Makati ◽  
Marian Holland ◽  
Sara Baig ◽  
Michael H Kim ◽  
...  
Keyword(s):  
New England ◽  
Medical Center ◽  
Primary Prophylaxis ◽  
Icd Implantation ◽  
Icd Therapy ◽  
Device Implantation ◽  
The Mean ◽  
The Cost ◽  
Mean Time

Background: There are no upper age restrictions for ICD implantation, though guidelines state that placement should be reserved for those with expected survival of > 1 year. In octogenarians, competing comorbidities may limit the mortality benefit of ICDs. Methods: A retrospective cohort study was used to identify octogenarians who received ICD implantation and follow-up at Northwestern Memorial Hospital or Tufts New England Medical Center between 1990 and 2006. The primary endpoint was death within 1 year of implant. Results: The study identified 241 octogenarians. Mean age 83.3 ± 3.1 years, 79% male, 87% coronary disease and 35% implanted for primary prophylaxis. Mean EF 31 ± 13%, creatinine 1.49 ± 0.71 mg/dl, and mean survival was 3.9 ± 0.3 years. Death within 1 year of implant occurred in 32 (13.2%) patients. Univariate predictors of 1-year mortality included EF ≤ 20% and creatinine ≥ 1.5 mg/dl (p < 0.01 and 0.04, respectively). Cox proportional analysis demonstrated that EF ≤ 20% was the only independent predictor of death within 1 year of ICD implant [Hazard Ratio = 3.2 (95% CI 1.5– 6.5; p<0.002)] and was associated with a 48% 1-year mortality. Of these patients, 6 (19%) received appropriate ICD therapy prior to death; the mean time from therapy to death was 3 months. Conclusion: Octogenarians with EF ≤ 20% have a very high 1-year mortality despite ICD implantation. A minority of these patients will receive appropriate ICD therapy during this time. These results would be expected to have significant impact on the cost-effectiveness of ICDs and should be considered when evaluating device implantation in this population.

Vitamin D Level Stability in Dystrophinopathy Patients on Vitamin D Supplementation

2021 ◽  
pp. 1-7
Author(s):  
Naomi Vather-Wu ◽  
Matthew D. Krasowski ◽  
Katherine D. Mathews ◽  
Amal Shibli-Rahhal
Keyword(s):  
Vitamin D ◽  
Retrospective Cohort ◽  
Vitamin D Supplementation ◽  
Hydroxyvitamin D ◽  
Frequent Monitoring ◽  
25 Hydroxyvitamin D ◽  
The Mean ◽  
Stable Maintenance ◽  
Mean Time

Background: Expert guidelines recommend annual monitoring of 25-hydroxyvitamin D (25-OHD) and maintaining 25-OHD ≥30 ng/ml in patients with dystrophinopathies. Objective: We hypothesized that 25-OHD remains stable and requires less frequent monitoring in patients taking stable maintenance doses of vitamin D. Methods: We performed a retrospective cohort study, using the electronic health record to identify 26 patients with dystrophinopathies with a baseline 25-OHD ≥30 ng/mL and at least one additional 25-OHD measurement. These patients had received a stable dose of vitamin D for ≥3 months prior to their baseline 25-OHD measurement and throughout follow-up. The main outcome measured was the mean duration time the subjects spent with a 25-OHD ≥30 ng/mL. Results: Only 19% of patients dropped their 25-OHD to <  30 ng/ml, with a mean time to drop of 33 months and a median nadir 25-OHD of 28 ng/mL. Conclusions: These results suggest that measurement of 25-OHD every 2–2.5 years may be sufficient in patients with a baseline 25-OHD ≥30 ng/mL and who are on a stable maintenance dose of vitamin D. Other patients may require more frequent assessments.

scholarly journals OP0159 EFFICACY OF COMPREHENSIVE TECHNOLOGY-ASSISTED HOME-BASED EXERCISE IN ANKYLOSING SPONDYLITIS: A RANDOMIZED, CONTROLLED TRIAL

2020 ◽  
Vol 79 (Suppl 1) ◽  
pp. 100.3-100
Author(s):  
Y. Wang ◽  
X. Liu ◽  
Y. Shi ◽  
X. Ji ◽  
W. Wang ◽  
...  
Keyword(s):  
Exercise Intervention ◽  
Medical Center ◽  
Controlled Trial ◽  
Intervention Group ◽  
Exercise Program ◽  
Group Differences ◽  
Control Group ◽  
Home Based ◽  
The Mean

Background:Clinical practice guidelines recommend that exercise is an essential component in the self-management of Ankylosing Spondylitis (AS). Attending supervised interventions requiring periodic medical center visits can be burdensome and patients may decline participation, whereas, effective home-based exercise interventions that do not need regular medical center visits are likely to be more accessible and acceptable for patients with AS. Recently, increasing evidences have been accumulated that the wearable devices could facilitate patients with inflammatory arthritis by giving exercise instructions and improving self-efficacy. Therefore, patients with AS may benefit from an effective technology-assisted home-based exercise intervention.Objectives:To investigate the efficacy of a comprehensive technology-assisted home-based exercise intervention on disease activity in patients with AS.Methods:This study was a 16-week assessor-blinded, randomized, waiting-list controlled trial (ChiCTR1900024244). Patients with AS were randomly allocated to the home-based exercise intervention group and the waiting-list control group. A 16-week comprehensive exercise program consisting of a moderate intensity (64%-76% HRmax) aerobic training for 30min on 5 days/week and a functional training for 60min on 3 days/week was given to patients in the intervention group immediately after randomization, with 1.5h training sessions for two consecutive days by a study physical therapist at baseline and Week 8. The aerobic exercise intensity was controlled by a Mio FUSE Wristband with a smartphone application. The functional training consisted of the posture training, range of motion exercises, strength training, stability training and stretching exercises. Patients in control group received standard care during the 16-week follow-up and started to receive the exercise program at Week 16. The primary outcome was ASDAS at Week 16. The secondary outcomes were BASDAI, BASFI, BASMI, ASAS HI, peak oxygen uptake, body composition and muscle endurance tests. The mean difference between groups in change from baseline was analyzed with the analysis of covariance.Results:A total of 54 patients with AS were enrolled (26 in intervention group and 28 in control group) and 46 (85.2%) patients completed the 16-week follow-up. The mean difference of ASDAS between groups in change from baseline to 16-week follow-up was −0.2 (95% CI, −0.4 to 0.003, P = 0.032), and the mean change from baseline was -0.4 (95% CI, -0.5 to -0.2) in the intervention group vs -0.1 (95% CI, -0.3 to 0.01) in the control group, respectively. Significant between-group differences were found between groups for BASDAI (−0.5 [95% CI, −0.9 to −0.2], P = 0.004), BASMI (−0.7 [95% CI, −1.1 to −0.4], P <0.001), BASFI (−0.3 [95% CI, −0.6 to 0.01], P=0.035), peak oxygen uptake (2.7 [95% CI, 0.02 to 5.3] ml/kg/min, P=0.048) and extensor endurance test (17.8 [95% CI, 0.5 to 35.2]s, P=0.044) at Week 16. Between-group differences were detected in ASAS HI (−0.9 [95% CI, −1.7 to −0.1], P=0.030), body fat percentage (−1.0 [95% CI, −2.0 to −0.01] %, P=0.048) and visceral adipose tissue (−4.9 [95% CI, −8.5 to −1.4] cm2, P=0.008) at Week 8, but not at Week 16. No significant between-group differences were detected in the total lean mass, time up and go test and the flexor endurance test during the follow-up.Conclusion:Comprehensive technology-assisted home-based exercise has been shown to have beneficial effects on disease activity, physical function, spinal mobility, aerobic capacity, and body composition as well as in improving fatigue and morning stiffness of patients with AS.References:[1]van der Heijde D, Ramiro S, Landewé R, et al. Ann Rheum Dis 2017;76:978–991.Disclosure of Interests:None declared

Outcomes of a Cardiac Rehabilitation (CRH) Program after phase II: what about our patients almost 4 years later?

2021 ◽  
Vol 28 (Supplement_1) ◽  
Author(s):  
J Borrego Rodriguez ◽  
C Palacios Echevarren ◽  
S Prieto Gonzalez ◽  
JC Echarte Morales ◽  
R Bergel Garcia ◽  
...  
Keyword(s):  
Phase Ii ◽  
Hospital Readmissions ◽  
Clinical Results ◽  
Level Of Evidence ◽  
Coronary Syndrome ◽  
Funding Sources ◽  
The Mean ◽  
Acute Cardiovascular Event ◽  
Mean Time

Abstract Funding Acknowledgements Type of funding sources: None. INTRODUCTION CRH in patients with ischemic heart disease is recommended by the different clinical practice guidelines with an IA level of evidence, with an important role in reducing cardiovascular mortality and hospital readmissions during follow-up. OBJECTIVE The goal of this study is to show the 4-year clinical results of a population of patients who participated in an CRH program after an Acute Coronary Syndrome (ACS). METHODS Between May/2014 and September/2017, 221 patients who had recently presented an ACS completed the 12 weeks of phase II of the CRH program at our center. In May/2020 we collected epidemiological, clinical and echocardiographic information at the time of the acute cardiovascular event; and we evaluate the current vital status of the patients and the incidence of readmissions for: angina, HF, new ACS, or arrhythmic events. RESULTS Of the 221 patients, 182 were men (82%). The mean age of our population was 58.3 ± 7.8 years. 58% (129 patients) suffered from ST-elevation ACS. The mean time of hospital stay was 6.20 ± 2.9 days. An echocardiogram was performed at discharge, which showed an average LVEF of 56 ± 6%. Eight patients (4%) developed early Ventricular Fibrilation (VF) during the acute phase of ACS. Among the classic CVRF, smoking (79%) was the most prevalent, followed by dyslipidemia (53%) and hypertension (47%). The mean time from hospital discharge to the start of phase II RHC was 42 ± 16 days. The overall incidence of events was 9%: 10 patients suffered reinfarction during follow-up, and 7 were readmitted for unstable angina, all of whom underwent PCI; no patient was admitted for HF; and none of the 8 patients with early VF had a new tachyarrhythmia, registering a single admission for VT during follow-up. None of the patients had sustained ventricular tachyarrhythmias during exercise-training. At the mean 4.5-year follow-up, 218 patients were still alive (98%). CONCLUSION The incidence of CV events in the follow-up of our cohort was low, which can be explained by the fact that it is a young population, with an LVEF at low limits of normality at discharge, which is one of the most important predictors in the prognosis after an ischemic event. As an improvement, we must shorten the time until the start of phase II of the program. CRH shows once again its clinical benefit after an ACS, in consonance with the existing evidence. Abstract Figure. Outcomes of a CRH program.

scholarly journals Management of Vertical Sternal Fracture Nonunion in Elite-Level Athletes

2021 ◽  
Vol 9 (6) ◽  
pp. 232596712110108
Author(s):  
Andrea Bardos ◽  
Sanjeeve Sabhrawal ◽  
Graham Tytherleigh-Strong
Keyword(s):  
Ct Scan ◽  
Constant Score ◽  
Case Series ◽  
Sternal Fracture ◽  
Elite Level ◽  
The Mean ◽  
Mean Time ◽  
Time From Injury ◽  
Sternal Fractures

Background: Sternal fractures are rare, and they can be treated nonoperatively. Vertical sternal fractures have rarely been reported. Purpose: To describe the management and surgical treatment of a series of elite-level athletes who presented with symptomatic nonunions of a vertical sternal fracture. Study Design: Case series; Level of evidence, 4. Methods: Patients with an established symptomatic nonunion of a vertical sternal fracture, as diagnosed by computed tomography (CT) or magnetic resonance imaging (MRI), underwent open reduction and internal fixation using autologous bone graft and cannulated lag screws. The patients were assessed preoperatively and at the final follow-up using the Rockwood sternoclavicular joint (SCJ) score; Constant score; and shortened version of the Disabilities of the Arm, Shoulder and Hand (QuickDASH) scores. Bony union was confirmed on postoperative CT scan. Results: Five patients (4 men and 1 woman) were included; all were national- or international-level athletes (rugby, judo, show-jumping, and MotoGP). The mean age at surgery was 23.4 years (range, 19-27 years), the mean time from injury to referral was 13.6 months (range, 10-17 months), and the mean time from injury to surgery was 15.8 months (range, 11-20 months). The mean follow-up was 99.4 months (range, 25-168 months). There was a significant improvement after surgery in the mean Rockwood SCJ score (from 12.6 to 14.8 [ P < .05]), Constant score (from 84 to 96.4 [ P < .05]; 80% met the minimal clinically important difference [MCID] of 10.4 points), and QuickDASH (from 6.8 to 0.98 [ P < .05]; 0% met the MCID of 15.9 points). Four of the patients were able to return to sport at their preinjury level, and 1 patient retired for nonmedical reasons. All of the fractures had united on the postoperative CT scan. There were no postoperative complications. Conclusion: Vertical fractures of the sternum are very rare and tend to behave clinically like an avulsion fracture injury to the capsuloligamentous structure of the inferior SCJ. The requirement of advanced imaging to diagnose this injury means that the actual incidence and natural history are not known. For high-demand athletes, early identification, surgical reduction, and fixation are likely to achieve the best outcome.

scholarly journals Lateral Antebrachial Cutaneous Nerve as a Donor Source for Digital Nerve Grafting: A Concept Revisited

2017 ◽  
Vol 11 (1) ◽  
pp. 1041-1048 ◽  
Author(s):  
Mehmet Bekir Unal ◽  
Kemal Gokkus ◽  
Evrim Sirin ◽  
Eren Cansü
Keyword(s):  
Pearson Correlation ◽  
Mean Value ◽  
Cutaneous Nerve ◽  
Digital Nerve ◽  
Mean Values ◽  
Nerve Grafts ◽  
The Mean ◽  
The Difference ◽  
Mean Time

Objective: The main objective of this study is to evaluate the availability of lateral antebrachial cutaneous nerve (LACN) autograft for acute or delayed repair of segmented digital nerve injuries. Patients and Methods: 13 digital nerve defects of 11 patients; treated with interposition of LACN graft that harvested from ipsilateral extremity were included in the study. Mean follow up period was 35, 7 months. The mean time from injury to grafting is 53, 3 days. The results of the mean 2PDT and SWMT values of injured /uninjured finger at the end of follow up period were evaluated with Paired T test. The correlation between the defect length and the difference of 2PDT, SWMT values between the uninjured and injured finger at the end of follow up period; were evaluated with Pearson - correlation analysis. Results: The mean value of our 2PDT and SWMT results are ~5,923, ~3, 52, respectively in which can be interpreted between the normal and diminished light touch. The defect length and difference percentage of SWMT values is positively and significantly correlated statistically. Mean length of interposed nerve grafts was 18.5 mm. The age of the patient and the mean values of 2PDT and SWMT with the difference % of 2PDT and % of SWMT are not statistically correlated. Conclusion: Based on results regarding sensory regaining at recipient side and negligible sensory deficit at harvesting side, we suggest that lateral antebrachial cutaneous nerve might be a valuable graft option for digital nerve defects.

P14.67 Long-term results of gamma knife radiosurgery for treatment of intracranial glomus jugulare tumors

2021 ◽  
Vol 23 (Supplement_2) ◽  
pp. ii50-ii51
Author(s):  
R M Emad Eldin ◽  
K M Abdel Karim ◽  
A M N El-Shehaby ◽  
W A Reda ◽  
A M Nabeel ◽  
...  
Keyword(s):  
Clinical Improvement ◽  
Gamma Knife ◽  
Tumor Volume ◽  
Gamma Knife Radiosurgery ◽  
Long Term Results ◽  
Glomus Jugulare ◽  
The Mean ◽  
Mean Time

Abstract BACKGROUND Glomus Jugulare tumors are benign but locally aggressive ones that represent a therapeutic challenge. Previous studies about the use of Gamma Knife Radiosurgery (GRS) in those tumors have documented good results that needed larger number of patients and longer follow up periods to be confirmed. MATERIAL AND METHODS Between August 2001 and December 2017, 70 patients with glomus jugulare tumors were treated at the Gamma Knife Center, Cairo. They were 46 females and 24 males. The mean age was 48 years (16–71 years). Nineteen of these patients were previously operated, 5 were partially embolized, 3 underwent embolization and subsequent surgery and 43 had gamma knife as their primary treatment. Volume-staged gamma knife radiosurgery was used in 10 patients and single-session in 60 patients, with a total of 86 sessions. The mean target volume was 12.7 cm3 (range 0.2 to 34.5 cm3). The mean tumor volume was 15.5 cm3 (range 0.2 to 105 cm3). The mean prescription dose was 14.5 Gy (range 12 to 18 Gy). RESULTS The mean follow up period was 60 months (range 18 to 206 months), and by the time of the data analysis, two of the patients were dead (66 and 24 months after GK treatment). The tumor control was 98.6% (69/70). Thirty-two tumors became smaller and 37 were unchanged. The symptoms improved in 36 patients, were stable in 32 patients, and worsened in 2 patients who developed a transient facial palsy and worsened hearing. Symptomatic improvement began before any reduction in tumor volume could be detected, where the mean time to clinical improvement was 7 months whereas the mean time to tumor shrinkage was 18 months. CONCLUSION This study about the long term follow up of the GKR for the intracranial glomus jugulare tumors confirmed that this is a highly effective and safe treatment. This data shows that the clinical improvement is not correlated with the radiological volume reduction.

Fractures of the Phalanges: Results of Internal Fixation Using 1.5mm and 2mm A. O. Screws

1987 ◽  
Vol 12 (1) ◽  
pp. 28-33
Author(s):  
D. J. FORD ◽  
S. EL-HADIDI ◽  
P. G. LUNN ◽  
F. D. BURKE
Keyword(s):  
Internal Fixation ◽  
Proximal Interphalangeal Joint ◽  
Interphalangeal Joint ◽  
Active Movement ◽  
Flexion Deformity ◽  
The Mean ◽  
Condylar Fractures ◽  
Phalangeal Fractures ◽  
Mean Time

Thirty-six patients were treated for 38 phalangeal fractures using 1.5 mm and 2 mm A. O. screws. Plates were not used in the fingers. Oblique fractures of the condyles, shafts or bases of the proximal or middle phalanges were treated by internal fixation because of instability, displacement or rotation. 40% of fractures had associated skin wounds, were comminuted or had damage to the extensor mechanism. The mean duration of post-operative immobilization was 9 days and the mean time off work was 6 weeks. Total active movement in the involved ray was 220 degrees or greater in 24 cases, 180 degrees to 215 degrees in eight cases, and less than 180 degrees in two patients at follow up. The patients were reviewed between three and 54 months after treatment and the mean duration of follow up was 24 months. The most frequent complication was 10 degrees to 30 degrees of flexion deformity of the proximal interphalangeal joint after internal fixation of condylar fractures. Results were satisfactory in 90% of cases.

Abstract 2851: Temporal QT Variability from Bipolar Ventricular Tip-to-Ring Electrograms Predicts Sustained Ventricular Tachyarrhythmia.

Circulation ◽  
2007 ◽  
Vol 116 (suppl_16) ◽  
Author(s):  
Larisa G Tereshchenko ◽  
Barry J Fetics ◽  
Peter P Domitrovich ◽  
Ronald D Berger
Keyword(s):  
Risk Stratification ◽  
Right Ventricular ◽  
Effective Means ◽  
Ventricular Tachyarrhythmia ◽  
Icd Implantation ◽  
Area Index ◽  
Icd Therapy ◽  
Increased Risk ◽  
Qt Variability

We assessed the hypothesis that ventricular tachycardia / ventricular fibrillation (VT/VF) risk stratification based on the repolarization assessment of intracardiac electrograms (EGMs) from implantable devices is feasible. Methods: Bipolar right ventricular tip-to-ring EGMs were recorded at rest (mean heart rate 66 ± 16 bpm) for 5.5 ± 2.6 minutes in 75 patients (58 ± 14 years, 72% men) with ischemic (60%) and non-ischemic (40%) cardiomyopathy who underwent single-chamber Medtronic ICD implantation for primary (77%) or secondary (23%) prevention of SCD. QT variability index (QTVI), variability of Tpeak-Tend area index, and T-wave alternans (TWA) were calculated as previously described elsewhere. Only 41 out of 75 recordings (55%) were eligible for analysis as determined by data quality requirements of the custom software (less than 10% non-analyzable beats or 5% ectopic beats). The endpoint was appropriate ICD therapy for VT/VF during follow-up > 6 months. Results: During mean follow-up of 12 months (range 6–19 months), 12 patients had appropriate ICD therapy. The survival analysis showed that the top quartile of QTVI (> - 0.5) predicts an event-free survival rate from appropriate ICD therapies (p = 0.027). Neither increased Tpeak-Tend area variability nor TWA was associated with a significant increased risk for VT/VF. Conclusions: In this prospective study, temporal QT variability measured from right ventricular tip-to-ring EGMs is associated with increased risk of sustained VT/VF events. Repolarization lability may be present throughout the ventricular myocardium, such that single-site EGMs may provide an effective means for VT/VF risk stratification.

Tear Rates of the Ipsilateral ACL Graft and the Contralateral Native ACL Are Similar following ACL Reconstruction

2020 ◽  
Author(s):  
Nadia Nastassia Ifran ◽  
Ying Ren Mok ◽  
Lingaraj Krishna
Keyword(s):  
Acl Reconstruction ◽  
Medical Records ◽  
Cruciate Ligament ◽  
Acl Graft ◽  
Increased Risk ◽  
Significant Difference ◽  
The Mean ◽  
Anterior Cruciate ◽  
Mean Time

AbstractThe aim of the study is to compare the tear rates of ipsilateral anterior cruciate ligament (ACL) grafts and the contralateral native ACL as well as to investigate the correlation of gender, age at time of surgery, and body mass index (BMI) with the occurrence of these injuries. The medical records of 751 patients who underwent ACL reconstruction surgery with follow-up periods of 2 to 7 years were retrospectively analyzed. Survival analyses of ipsilateral ACL grafts and contralateral native ACL were performed. Univariate and multivariate logistic regression analyses were performed to identify risk factors that were associated with these injuries. The tear rates of the ipsilateral ACL graft and contralateral ACL were 5.86 and 6.66%, respectively with no significant difference between groups (p = 0.998). The mean time of tears of the ipsilateral ACL and contralateral ACL was also similar (p = 0.977) at 2.64 and 2.78 years, respectively after surgery. Both the odds of sustaining an ipsilateral ACL graft and contralateral ACL tear were also significantly decreased by 0.10 (p = 0.003) and 0.14 (p = 0.000), respectively, for every 1-year increase in age at which the reconstruction was performed. However, graft type, gender, and BMI were not associated with an increased risk of these injuries. There was no difference between tear rates of ipsilateral ACL graft and contralateral ACL following ACL reconstruction. Patients who undergo ACL reconstruction at a young age are at an increased risk of both ipsilateral graft and contralateral ACL rupture after an ACL reconstruction. Patients who are young and more likely to return to competitive sports should be counselled of the risks and advised to not neglect the rehabilitation of the contralateral knee during the immediate and back to sports period of recovery. This is a Level III, retrospective cohort study.

scholarly journals Reducing return of disease activity in patients with relapsing multiple sclerosis transitioned from natalizumab to teriflunomide: 12-month interim results of teriflunomide therapy

2019 ◽  
Vol 5 (1) ◽  
pp. 205521731882461
Author(s):  
Stanley L Cohan ◽  
Keith Edwards ◽  
Lindsay Lucas ◽  
Tiffany Gervasi-Follmar ◽  
Judy O’Connor ◽  
...  
Keyword(s):  
Multiple Sclerosis ◽  
Disease Activity ◽  
Brain Magnetic Resonance Imaging ◽  
T2 Lesions ◽  
Disability Status ◽  
The Mean ◽  
Multiple Sclerosis Patients ◽  
Mean Time ◽  
Relapsing Multiple Sclerosis

Background Natalizumab is an effective treatment for relapsing multiple sclerosis. Return of disease activity upon natalizumab discontinuance creates the need for follow-up therapeutic strategies. Objective To assess the efficacy of teriflunomide following natalizumab discontinuance in relapsing multiple sclerosis patients. Methods Clinically stable relapsing multiple sclerosis patients completing 12 or more consecutive months of natalizumab, testing positive for anti-John Cunningham virus antibody, started teriflunomide 14 mg/day, 28 ± 7 days after their final natalizumab infusion. Physical examination, Expanded Disability Status Scale, laboratory assessments, and brain magnetic resonance imaging were performed at screening and multiple follow-up visits. Results Fifty-five patients were enrolled in the study. The proportion of patients relapse-free was 0.94, restricted mean time to first gadolinium-enhancing lesion was 10.9 months and time to 3-month sustained disability worsening was 11.8 months. The mean number of new or enlarging T2 lesions per patient at 12 months was 0.42. Exploratory analyses revealed an annualized relapse rate of 0.08, and a proportion of patients with no evidence of disease activity of 0.68. Forty-seven patients (85.5%) reported adverse events, 95% of which were mild to moderate. Conclusions Teriflunomide therapy initiated without natalizumab washout resulted in a low rate of return of disease activity. Clinicians may consider this a worthwhile strategy when transitioning clinically stable patients off natalizumab to another therapy. ClinicalTrials.gov Identifier: NCT01970410

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