1. Articles from Lan Wang

    1-3 of 3
    1. Optical coherence tomography for hypertensive pulmonary vasculature

      Optical coherence tomography for hypertensive pulmonary vasculature

      Background Optical coherence tomography (OCT) is an intravascular imaging modality capable of providing in situ images of tissues at near histologic resolution. In this study we examine the utility of OCT in identifying vascular changes related to pulmonary arterial hypertension (PAH) and chronic thromboembolic pulmonary hypertension (CTEPH). Methods and results OCT of four different distal pulmonary arteries was performed during right heart catheterization in 87 patients, 64 patients with PAH and 23 patients with CTEPH. The mean luminal diameter measured by OCT for all patients was 2.26 mm. Intimal thickening was significantly increased in all PAH patients (0.26 ...

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      Mentions: UCLA
    2. Narrow- and Open-Angle Measurements With Anterior-Segment Optical Coherence Tomography and Pentacam™

      Narrow- and Open-Angle Measurements With Anterior-Segment Optical Coherence Tomography and Pentacam™

      BACKGROUND AND OBJECTIVETo assess the agreement of the Pentacam (Oculus, Wetzlar, Germany) and anterior-segment optical coherence tomography (AS-OCT) in measuring open and narrow angles.PATIENTS AND METHODSProspective observational case series in which 39 healthy normal subjects (39 eyes) and 25 patients with narrow angles (37 eyes) were enrolled between May and September 2008. The anterior chamber measurements were performed by AS-OCT and the Pentacam.RESULTSThere was no significant difference in the open-angle measurements between the Pentacam and AS-OCT (P > .05). However, in patients with narrow angles, the average values of nasal and temporal anterior chamber angles taken by the Pentacam ...

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    3. Dark Room Provocative Test and Extent of Angle Closure: An Anterior Segment OCT Study

      Purpose: To clarify the risk parameters measured by anterior segment optical coherence tomography (AS-OCT) for elevated intraocular pressures (IOP) provoked by the darkroom test and to provide recommendations for its clinical usage.Methods: Subjects aged >40 years and whose peripheral anterior chambers were =8 mm Hg after the test. Statistical analyses included: (1) the difference in parameters between positive and negative eyes; (2) the association between posttest IOP and the parameters; and (3) the difference in parameters between the 2 eyes in subjects with the asymmetric results.Results: A total of 70 subjects were recruited. ACD (P=0.022), NCA ...

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    1-3 of 3
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  2. Topics in the News

    1. (2 articles) Capital Medical University
    2. (1 articles) UCLA
    3. (1 articles) Singapore Eye Research Institute
    4. (1 articles) National University of Singapore
    5. (1 articles) Jikei University School of Medicine
    6. (1 articles) Stanford University
    7. (1 articles) University of Pittsburgh
    8. (1 articles) Case Western Reserve University
    9. (1 articles) Pusan National University
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    12. (1 articles) Cleveland Clinic
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