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  • 1
    Online Resource
    Online Resource
    Abstract WP98: Utilization Of Perfusion Imaging For Acute Ischemic Stroke: Secular Trends And Effects On Outcomes Of Endovascular Treatment
    Ovid Technologies (Wolters Kluwer Health) ; 2023
    In:  Stroke Vol. 54, No. Suppl_1 ( 2023-02)
    Details
    In: Stroke, Ovid Technologies (Wolters Kluwer Health), Vol. 54, No. Suppl_1 ( 2023-02)
    Abstract: Introduction: Perfusion imaging (PI) could guide decision-making for endovascular treatment (EVT) of acute ischemic stroke (AIS). However, PI was underused even in the US before the pivotal EVT trials proved its usefulness in 2018. This study aimed to describe the secular trends of PI utilization and investigate the effectiveness of PI-based EVT in real-world practice. Methods: Using a prospective multicenter (n=17) stroke registry in South Korea, we identified patients with AIS who presented within 24 hours from onset between 2011 and 2021. The study period was divided into 3 epochs: 2011-2014, 2015-2017, and 2018-2021. The study population was divided into the early (arrival within 6 hours) and late window (6-24 hours) groups. Results: A total of 51,650 patients (15,654 patients in 2011-2014, 14,432 patients in 2015-2017, and 21,564 patients in 2018-2021) were analyzed. Utilization of PI decreased in the overall population and early window group ( P trend 〈 0.001); 43.3% and 54.1% in 2011-2014, 40.1% and 44.1% in 2015-2017, and 38.4% and 40.2% in 2018-2021, respectively; but increased in the late window group ( P trend 〈 0.001); 31.3% in 2011-2014, 35.7% in 2015-2017, and 36.5% in 2018-2021. Of 10,872 patients with anterior large-vessel occlusion (aLVO), the EVT rate was not different between patients with and without PI (48.7% vs. 46.6%, P =0.08) in the early window but higher in those with PI than without PI in the late window (29.8% vs. 18.7%, P 〈 0.001). The EVT outcome (3-month mRS 0-2) was not different between patients with and without PI in the early window (44.1% vs. 41.8%, P =0.21) and late window (38.4% vs. 39.2%, P =0.81). Propensity score analysis and instrumental variable analysis with PI rate per center as an instrument will be performed to adjust imbalances between patients with and without PI. Conclusion: Between 2011 and 2021 in South Korea, PI utilization has decreased in patients arriving within 6 hours from onset but has increased in those arriving between 6 and 24 hours. Among patients with aLVO, PI likely increased the EVT rate in the late window but did not in the early window. PI utilization did not seem to affect the EVT outcomes, but in-depth analysis is required.
    Type of Medium: Online Resource
    ISSN: 0039-2499 , 1524-4628
    URL: Article
    DOI: 10.1161/str.54.suppl_1.WP98
    RVK:
    XA 10000
    Language: English
    Publisher: Ovid Technologies (Wolters Kluwer Health)
    Publication Date: 2023
    detail.hit.zdb_id: 1467823-8
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  • 2
    Online Resource
    Online Resource
    Abstract WMP102: Prevalence Of Genetic Mutations In 15 Mendelian Stroke Genes In Young Stroke Patients
    Ovid Technologies (Wolters Kluwer Health) ; 2022
    In:  Stroke Vol. 53, No. Suppl_1 ( 2022-02)
    Details
    In: Stroke, Ovid Technologies (Wolters Kluwer Health), Vol. 53, No. Suppl_1 ( 2022-02)
    Abstract: Introduction: Although the heritability of stroke might be higher in young-age stroke population, it is even uncertain how many of them has monogenic causes of stroke. We aimed to estimate the prevalence and clinical characteristics of 15 monogenic disorders associated with stroke in a large, unselected young-age stroke population Methods: From a prospective, nationwide, multicenter, acute stroke registry of consecutive patients admitted to 15 academic or regional stroke centers in Korea, we enrolled all patients aged 55 years or younger except those who refuse to participate in this study. We performed genetic analysis using a customized targeted next-generation sequencing panel ( GLA, NOTCH3, HTRA1, RNF213, ACVRL1, ENG, CBS, TREX1, ABCC6, COL4A1, FBN1, NF1, COL3A1, MT-TL1, and APP ) to find clinically relevant genetic variants, and reviewed clinical information of the patients. Results: Genetic analysis was performed in 1,033 patients (male 70.7%, mean age 45.8±7.9). Twenty-eight clinically relevant genetic variants were identified in 131 (12.7%) patients, and were found most frequently in RNF213 (59, 5.7%) followed by ABCC6 (53, 5.1%) and NOTCH3 (15, 1.5%). Genetic variants were more commonly observed in younger group than older group (17.1% vs. 9.3%, p=0.021), but were not different according to vascular risk factor burden. Patients with premature ( 〈 60y) family history of stroke had genetic variants more frequently than those with family history at ≥60y (23.7% vs. 11.4%, p=0.047). Typical neuroimaging abnormalities were observed in only 25% of patients with RNF213 variants and 27% of those with NOTCH3 variants. Variants of uncertain significance were found in 15.4%. Conclusion: Clinically relevant genetic variants were not uncommon than expected. We might have opportunities to improve our daily practice by genetic counseling patients and their families to reduce the future stroke.
    Type of Medium: Online Resource
    ISSN: 0039-2499 , 1524-4628
    URL: Article
    DOI: 10.1161/str.53.suppl_1.WMP102
    RVK:
    XA 10000
    Language: English
    Publisher: Ovid Technologies (Wolters Kluwer Health)
    Publication Date: 2022
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  • 3
    Online Resource
    Online Resource
    Abstract WMP97: Symptomatic Steno-occlusion Of Major Cerebral Arteries And Stroke Recurrence In Acute Ischemic Stroke Patients With Atrial Fibrillation
    Ovid Technologies (Wolters Kluwer Health) ; 2023
    In:  Stroke Vol. 54, No. Suppl_1 ( 2023-02)
    Details
    In: Stroke, Ovid Technologies (Wolters Kluwer Health), Vol. 54, No. Suppl_1 ( 2023-02)
    Abstract: Introduction: There is lack of knowledge on whether symptomatic steno-occlusion (SYSO), common in acute ischemic stroke (AIS) patients with atrial fibrillation (AF), could increase the long-term risk of stroke recurrence in these patients. Methods: From a prospective cohort of patients with AIS and AF enrolled in 14 centers between Oct 2017 and Dec 2018, we identified patients who underwent MR angiography during hospitalization and completed 3-year follow-up including death during follow-up. SYSO was defined as (1) ≥ 50% stenosis or occlusion of cerebral arteries relevant to acute infarction or (2) any residual stenosis after endovascular treatment. Using cause-specific hazard models with non-stroke death as a competing risk, the risk of any recurrent stroke and recurrent ischemic stroke was estimated according to SYSO, respectively. Results: A total of 889 patients (mean age, 74.4 years; men, 54.6 %; median NIHSS, 6) were analyzed for this study. During the median 1096 days of follow-up, 152 any recurrent strokes, 142 recurrent ischemic strokes, and 208 deaths were observed. Patients with SYSO, compared to those without, were more likely to be older, be female, have hypertension, diabetes and history of stroke/TIA, and be on antiplatelets at discharge and were less likely to be on anticoagulants at discharge ( p 〈 .05). The cumulative incidence of recurrent stroke in patients with and without SYSO was 25.2% and 8.3% at 1 month, 33.1% and 9.9% at 1 year, and 41.8% and 13.1% at 3 years, respectively ( p 〈 .001). With adjusting age, sex, hypertension, diabetes, history of stroke/TIA, discharge antiplatelets, and discharge anticoagulants, SYSO increased the risk of any stroke recurrence (adjusted hazard ratio [95% confidence interval]; 3.02 [2.18-4.20] ; p 〈 .001) and ischemic stroke recurrence (3.20 [2.28-4.51]; p 〈 .001). Conclusions: SYSO in AIS patients with AF substantially increased the risk of recurrent stroke by a 3-fold or more. Accordingly, SYSO should be considered in stratifying the risk of recurrence in AIS patients with AF.
    Type of Medium: Online Resource
    ISSN: 0039-2499 , 1524-4628
    URL: Article
    DOI: 10.1161/str.54.suppl_1.WMP97
    RVK:
    XA 10000
    Language: English
    Publisher: Ovid Technologies (Wolters Kluwer Health)
    Publication Date: 2023
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  • 4
    Online Resource
    Online Resource
    Abstract WP207: Treatments Advanced, But Outcomes Stagnated In Young Adults With Acute Ischemic Stroke In Korea Between 2008 And 2019
    Ovid Technologies (Wolters Kluwer Health) ; 2023
    In:  Stroke Vol. 54, No. Suppl_1 ( 2023-02)
    Details
    In: Stroke, Ovid Technologies (Wolters Kluwer Health), Vol. 54, No. Suppl_1 ( 2023-02)
    Abstract: Background: Outcome improvement in young stroke patients is of great interest given their long life expectancy and substantial societal burden. We aimed to investigate whether the treatment advancement has been made and translated into outcome improvement in young patients with acute ischemic stroke (AIS). Methods: From a prospective multicenter stroke registry in South Korea, young AIS patients (aged 18-50) hospitalized between 2008 and 2019 were identified. The study period was divided into 4 epochs. The secular trends of patient characteristics, treatments, and outcomes adjusted for potential confounders were analyzed. Results: This study included 7,050 young AIS patients (mean age 43.1; men 71.9%) from 70,567 enrolled during the period. The mean age decreased from 43.6 years in 2008-2010 to 42.9 years in 2017-19 (P trend =.009). Obesity increased (40.1% to 49.0%), but current smoking decreased (53.1% to 42.8%). Other vascular risk factors and sex proportions did not change (P trend ’s 〉 0.5). Onset-to-arrival time and door-to-puncture time for mechanical thrombectomy did not change (P trend ’s 〉 0.5), but door-to-needle time for intravenous thrombolysis improved (P trend 〈 .001). Acute and secondary stroke prevention treatments including intravenous thrombolysis (9.5% to 13.8%), mechanical thrombectomy (3.2% to 9.2%), dual antiplatelet therapy for minor stroke (26.6% to 48.0%), direct oral anticoagulant for atrial fibrillation (0.0% to 56.2%) and statins (71.5% to 91.2%) improved significantly (P trend ’s 〈 .01). For stroke outcomes, for which data were available since 2011, the proportions of 3-month modified Rankin Scale 0-1 (68.3% to 69.1%) and 0-2 (87.6% to 86.2%), one-year mortality (2.5% to 2.4%), and one-year stroke recurrence (4.4% to 5.3%) did not improve (adjusted P trend ’s 〉 0.2). Conclusions: This study shows that the treatment improvements did not lead to outcome improvements in young AIS patients. The findings indicate that we should not be complacent with the current advances.
    Type of Medium: Online Resource
    ISSN: 0039-2499 , 1524-4628
    URL: Article
    DOI: 10.1161/str.54.suppl_1.WP207
    RVK:
    XA 10000
    Language: English
    Publisher: Ovid Technologies (Wolters Kluwer Health)
    Publication Date: 2023
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  • 5
    Online Resource
    Online Resource
    Abstract WP184: The Risk Of Stroke Recurrence According To Neuroimaging Parameters In Patients With Acute Ischemic Stroke And Atrial Fibrillation
    Ovid Technologies (Wolters Kluwer Health) ; 2022
    In:  Stroke Vol. 53, No. Suppl_1 ( 2022-02)
    Details
    In: Stroke, Ovid Technologies (Wolters Kluwer Health), Vol. 53, No. Suppl_1 ( 2022-02)
    Abstract: Purpose: The usefulness of the existing risk stratification tools for atrial fibrillation (AF) is limited in predicting stroke recurrence in patients with acute ischemic stroke (AIS). Neuroimaging parameters obtained from diagnostic work-up of AIS could offer more elaborate prediction. Methods: A multicenter prospective cohort of AIS patients with AF recruited from 14 university hospitals or regional stroke centers were followed up for recurrent ischemic stroke (RIS) and a composite of all stroke and TIA. Neuroimaging features were derived from acute and chronic infarction patterns, and SVD markers such as lacunes, CMBs, and WMH. Cumulative incidences according to each neuroimaging parameter were estimated and compared using the Kaplan-Meier method with log-rank test and multivariable cause-specific hazard models with death as a competing risk. Results: A total of 2,270 patients were followed up for 431 days (IQR, 365-735), during which 111 RISs and 130 composite outcomes occurred. In unadjusted analysis, lesion multiplicity among acute infarction patterns, the presence of chronic non-lacunar infarction, and the presence of lacunes among SVD markers increased the risk of RIS significantly (Table). Other neuroimaging features such as territory multiplicity and location, confluency, topography, and size of acute lesions, lesion multiplicity, territory multiplicity, confluency, topography, and size of chronic infarction, number of lacunes, presence of CMBs, and WMH did not affect the incidence of RIS. The adjusted hazard ratios of lesion multiplicity of acute infarction, chronic infarction and lacunes were 1.45 (95% CI, 0.99-2.11), 1.57 (1.06-2.34) and 1.97 (1.30-2.98) for RIS, respectively. Similar findings were obtained for the composite outcome. Conclusions: Several neuroimaging markers were associated with recurrent ischemic stroke in AIS with AF. This could pave the way to a new stratification scheme for AF including neuroimaging parameters.
    Type of Medium: Online Resource
    ISSN: 0039-2499 , 1524-4628
    URL: Article
    DOI: 10.1161/str.53.suppl_1.WP184
    RVK:
    XA 10000
    Language: English
    Publisher: Ovid Technologies (Wolters Kluwer Health)
    Publication Date: 2022
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  • 6
    Online Resource
    Online Resource
    Abstract 44: Impact Of Novel Oral Anticoagulant Use On Secular Trend Of Vascular Events Or Death After Atrial Fibrillation-related Acute Ischemic Stroke
    Ovid Technologies (Wolters Kluwer Health) ; 2023
    In:  Stroke Vol. 54, No. Suppl_1 ( 2023-02)
    Details
    In: Stroke, Ovid Technologies (Wolters Kluwer Health), Vol. 54, No. Suppl_1 ( 2023-02)
    Abstract: Introduction: Now novel oral anticoagulants (NOAC) are strongly recommended for secondary stroke prevention in patients with atrial fibrillation (AF). However, it remains unclear to what extent the introduction of NOACs improved clinical outcomes in real-world practice. Methods: Using a nationwide prospective multi-center stroke registry database, we identified consecutive AIS patients with AF enrolled between Jan 2011 and Dec 2019, and analyzed one-year clinical events and NOAC prescription at discharge. The primary outcome was the composite of stroke, myocardial infarction, and all-cause death. To assess the mediation effect of NOAC on the outcomes, we performed natural effect models according to the calendar year. The exposure-mediator analysis, exposure-outcome analysis, and mediator-outcome analysis were performed using multivariate regression analysis according to the characteristics of the variables. Results: We analyzed 12,500 patients (mean age, 74.4 years; 51.3% male; median NIHSS at presentation, 8). From 2011 to 2019, the cumulative one-year incidence of the primary composite outcome (28.3% to 22.1%), all-cause mortality (23.8% to 17.9%), and stroke recurrence (8.3% to 5.1%) significantly decreased, while the NOAC prescription rate at discharge increased (0% to 75.6%). One-year increase in the calendar year was independently associated with a delayed occurrence of primary composite outcomes (Step 1: adjusted Time Ratio (aTR), 1.10; 95% confidence interval, 1.07-1.14) and with an increased NOAC prescription rate (Step 2: adjusted odds ratio, 2.20; 2.14-2.27). Increase in the NOAC prescription rate was significantly associated with the delayed occurrence of primary composite outcome (Step 3: aTR, 3.80; 3.15-4.58). However, after controlling for the NOAC prescription rate (mediator), the calendar year was no longer associated with the primary composite outcomes. (Step 4: aTR, 0.78; 95% CI 0.60-1.03). Thus, our results indicate full mediation of NOAC prescription in the association between the calendar year and primary composite outcomes. Conclusion: The reduced risk of major vascular events or death over time in AIS patients with AF was fully mediated by the increase in NOAC use.
    Type of Medium: Online Resource
    ISSN: 0039-2499 , 1524-4628
    URL: Article
    DOI: 10.1161/str.54.suppl_1.44
    RVK:
    XA 10000
    Language: English
    Publisher: Ovid Technologies (Wolters Kluwer Health)
    Publication Date: 2023
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  • 7
    Online Resource
    Online Resource
    Abstract WP50: Stress Hyperglycemia And Early Neurological Deterioration In Patients With Acute LVO And Low NIHSS
    Ovid Technologies (Wolters Kluwer Health) ; 2023
    In:  Stroke Vol. 54, No. Suppl_1 ( 2023-02)
    Details
    In: Stroke, Ovid Technologies (Wolters Kluwer Health), Vol. 54, No. Suppl_1 ( 2023-02)
    Abstract: Introduction: Stress hyperglycemia is an essential survival response. However, it is associated with poor prognosis after ischemic stroke, and its contribution to collateral failure is not well defined. We investigated whether stress hyperglycemia would be associated with early neurological deterioration (END) in acute large vessel occlusion (LVO) patients who present with mild neurological deficit. Methods: From a multicenter stroke registry, ischemic stroke patients with acute anterior circulation LVO and mild symptoms (NIHSS 〈 6) were included and were grouped by a history of diabetes before the index stroke. Stress hyperglycemia ratio (SHR) was calculated as a ratio of serum glucose at arrival over glycosylated hemoglobin. END was defined as an increase in total NIHSS≥2 or any increase in the NIHSS consciousness or motor sub-scores. Results: Among a total of 731 mild LVO patients (mean age 68.0±12.9 years; 62.7% male), 172 (23.5%) had a history of diabetes, and 73 (10.0%) were newly diagnosed with diabetes during admission. The SHR was higher in known diabetic patients compared to no-DM / newly diagnosed diabetic patients (24.3±8.5 vs. 21.8±5.6, p-value 〈 0.01). END occurred in 94 (12.9%) patients. The second (T2) and third (T3) tertile groups of SHR were more likely to experience END than the lowest tertile group (adjusted odds ratio (aOR) 2.29 [95% confidence interval (CI), 1.26-4.17] for T2; aOR 1.85 [95% CI 1.01-3.39] for T3). The association was maintained in the no-DM / newly diagnosed diabetic subgroup but not in cases with a history of diabetes (p for interaction=0.047). [Figure] Conclusions: Stress hyperglycemia was associated with END in acute LVO patients with low NIHSS, especially in the subgroup of patients without or newly diagnosed diabetes. In patients without a history of diabetes, where the physiologic response to hyperglycemia may currently be preserved, intensive glycemic control may benefit in maintaining leptomeningeal collaterals.
    Type of Medium: Online Resource
    ISSN: 0039-2499 , 1524-4628
    URL: Article
    DOI: 10.1161/str.54.suppl_1.WP50
    RVK:
    XA 10000
    Language: English
    Publisher: Ovid Technologies (Wolters Kluwer Health)
    Publication Date: 2023
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  • 8
    Online Resource
    Online Resource
    Abstract TMP62: High Levels Of Ldl Cholesterol And Hb A1c Hindering Mitigation Of Intracranial Arterial Diseases After Acute Ischemic Stroke
    Ovid Technologies (Wolters Kluwer Health) ; 2023
    In:  Stroke Vol. 54, No. Suppl_1 ( 2023-02)
    Details
    In: Stroke, Ovid Technologies (Wolters Kluwer Health), Vol. 54, No. Suppl_1 ( 2023-02)
    Abstract: Introduction: Intracranial arterial disease (ICAD) may have dynamic temporal changes which high-resolution MR (HR-MR) images can visualize. Until now, there is only limited evidence on the risk factor for the evolution of ICAD after ischemic stroke. Method: We have collected acute ischemic stroke patients admitted to a single referral stroke center between 01/2015 and 06/2019 with baseline and follow-up HR-MR images on their ICAD lesions. A total of 246 patients were identified, and for the current pilot study, HR-MR images from 93 patients were used. Degree of stenosis on T1/gadolinium-enhanced (Gd) T1 sequences, remodeling index on proton-density sequence, and enhancement signal on Gd-T1 sequence were measured. Temporal changes were defined as (1-([parameters at the initial]/[parameters at the follow-up] )*100. The temporal changes of image parameters were compared by bivariate baseline blood risk factors, such as LDLC ( ≥ 100 vs. 〈 100 mg/dL) and HbA1c ( ≥ 6.5 vs. 〈 6.5%). Result: A total of 93 patients were analyzed for the pilot study. Temporal changes in the degree of stenosis, remodeling index, and enhancement signal of ICAD lesion were -19.6 ± 50.3%, 2.9 ± 45.6%, and -15.0 ± 31.6%, respectively. ICAD parameters were further mitigated in lower levels of selected markers, such as the degree of stenosis (-24.9±37.6% from lower vs. -16.0±57.5% from higher LDLC, P =0.37; -23.0±54.9% from lower Hb A1c vs. -9.3±32.3% from higher Hb A1c, P =0.16) and the enhancement signal (-18.0±29.1% from lower vs. -12.9±33.2% from higher LDLC, P=0.45; -17.1±32.2% from lower Hb A1c vs. -6.5±28.4% from higher Hb A1c, P=0.17). Linear associations between change in the enhancement signal and LDLC in higher LDLC (B=0.38, P=0.01) and degree of stenosis and Hb A1c in higher Hb A1c (B=0.49, P=0.02) were observed. Conclusion: ICAD lesions in acute ischemic stroke patients may have temporal appearance changes. Baseline LDLC and Hb A1c levels may be used as a marker for the evolution of ICAD.
    Type of Medium: Online Resource
    ISSN: 0039-2499 , 1524-4628
    URL: Article
    DOI: 10.1161/str.54.suppl_1.TMP62
    RVK:
    XA 10000
    Language: English
    Publisher: Ovid Technologies (Wolters Kluwer Health)
    Publication Date: 2023
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  • 9
    Online Resource
    Online Resource
    Abstract WMP81: Dynamic Changes In Intracranial Atherosclerotic Stenosis In Serial Follow-up Of High-resolution Magnetic Resonance Imaging
    Ovid Technologies (Wolters Kluwer Health) ; 2023
    In:  Stroke Vol. 54, No. Suppl_1 ( 2023-02)
    Details
    In: Stroke, Ovid Technologies (Wolters Kluwer Health), Vol. 54, No. Suppl_1 ( 2023-02)
    Abstract: Background: Pathophysiology of intracranial atherosclerotic stenosis (ICAS) development and subsequent stroke occurrence is diverse, including cholesterol deposition, arterial dissection, and intrinsic vasculopathies. To differentiate these specific etiologies, performing high-resolution MRI (HR-MRI) has increased. However, the information on serial change of ICAS on HR-MRI was limited. Methods: Patients hospitalized at a tertiary university hospital for AIS and who took HR-MRI more than twice between 2015 and 2019 were collected. Two specialists manually segmented the contour of the culprit and reference vessel's inner lumen, outer wall, and plaque. The stenotic degree, remodeling index, and enhancement signal were measured for the culprit lesion at each examination. Results: A total of 202 HR-MRI examinations from 93 patients were analyzed. The Median follow-up was 270 days (118-390). The ranges of the serial change in stenotic degree (-86% to 41%), remodeling index (-83% to 266%), and enhancement signal (-85% to 71%) were very diverse. Changes in stenotic degree and enhancement according to the initial stenotic degree were insignificant. On the other hand, the change in enhancement signal was greater in the initially more enhanced lesions (0.1±23.0; mild vs. -23.1±22.6; moderate vs. -35.5±28; severe, p difference 〈 .001) and in the other determined etiology (-14.6±22.8; large atherosclerosis vs. -30.7±30.8; other determined vs. -0.8±30.2; etc., p difference =.005). Conclusions: ICAS showed very dynamic changes in the follow-up HR-MRIs. To identify the underlying etiology, such as arterial dissection and Moyamoya disease, serial HR-MRI will be helpful.
    Type of Medium: Online Resource
    ISSN: 0039-2499 , 1524-4628
    URL: Article
    DOI: 10.1161/str.54.suppl_1.WMP81
    RVK:
    XA 10000
    Language: English
    Publisher: Ovid Technologies (Wolters Kluwer Health)
    Publication Date: 2023
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  • 10
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    Online Resource
    Efficacy of Light-Emitting Diode Photomodulation in Reducing Erythema After Fractional Carbon Dioxide Laser Resurfacing: A Pilot Study
    Ovid Technologies (Wolters Kluwer Health) ; 2013
    In:  Dermatologic Surgery Vol. 39, No. 8 ( 2013-08), p. 1171-1176
    Details
    In: Dermatologic Surgery, Ovid Technologies (Wolters Kluwer Health), Vol. 39, No. 8 ( 2013-08), p. 1171-1176
    Type of Medium: Online Resource
    ISSN: 1076-0512
    URL: Article
    DOI: 10.1111/dsu.12213
    RVK:
    XA 53108
    Language: English
    Publisher: Ovid Technologies (Wolters Kluwer Health)
    Publication Date: 2013
    detail.hit.zdb_id: 2020062-6
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