Purpose: Phototherapeutic keratectomy (PTK) plays an important role in the management of Reis-Bucklers' corneal dystrophy. The usage of PTK for the treatment of anterior corneal dystrophies is limited by the depth of ablation. This case shows the usage of high ablation depth PTK as one of the management strategies to visually rehabilitate a patient of advanced Reis-Bucklers' corneal dystrophy.
Observations: We present a case of 32-year-old lady who was diagnosed with Reis-Bucklers' dystrophy in both eyes. The patient had advanced form of the disease and history of recurrent corneal erosions. For visual rehabilitation and symptomatic relief, phototherapeutic keratectomy was planned in both eyes. In view of the advanced nature of the disease, the ablation depth had to be high to get an acceptably clear central cornea.
Conclusions And Importance: PTK with high ablation depth is possible in advanced Reis-Bucklers' corneal dystrophy unlike other types of anterior corneal dystrophies.
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http://dx.doi.org/10.1016/j.ajoc.2022.101299 | DOI Listing |
PLoS One
January 2025
Department of Anesthesiology and Pain Medicine, Kangbuk Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, Republic of Korea.
Background: Proper anesthesia management is required to maintain immobilization and stable breathing of the patient to improve catheter contact and stability during catheter ablation for PVI. However, it remains unclear whether the depth of neuromuscular blockade affects the results of RFCA under general anesthesia.
Methods: The patients were randomly assigned to either the moderate neuromuscular blockade group (Group M, train-of-four 1 to 2) or the deep neuromuscular blockade group (Group D, posttetanic count 1-2).
Chirurgie (Heidelb)
January 2025
Klinik und Poliklinik für Allgemein‑, Viszeral‑, Thorax- und Transplantationschirurgie, Medizinische Fakultät und Uniklinik Köln, Universität zu Köln, Kerpener Str. 62, 50937, Köln, Deutschland.
The prognosis for esophageal cancer is determined in particular by the depth of infiltration (T stage) and lymph node metastasis (N status). In patients with locally advanced tumors, surgical resection is the current standard. The extent of the lymphadenectomy depends on the localization of the tumor, analogous to the choice of surgical technique.
View Article and Find Full Text PDFJ Arrhythm
February 2025
Department of Cardiology Institute of Medicine, University of Tsukuba Tsukuba Japan.
Background/objectives: Very high-power and short-duration (vHPSD) ablation with QDOT MICRO™ facilitates speedy and safe ablation for pulmonary vein isolation. A brief time interval between ablating two neighboring sites with vHPSD may potentially influence the size and geometry of the lesions. This study evaluates lesion formation when delivering adjacent applications using vHPSD at various inter-lesion times (ILTs).
View Article and Find Full Text PDFConventional laser micromachining technologies rely on trial-and-error optimization to obtain precise surface geometry. In this study, we present a laser micromachining setup that enables the preparation of the desired surface geometry without the need for parameter exploration. The setup consists of a laser scanning system, a coaxial imaging system, a paraxial laser line projector, and a three-axis stage.
View Article and Find Full Text PDFBiomaterials
January 2025
Department of Biomedical Engineering, The University of Texas at Austin, Austin, TX, 78712, USA. Electronic address:
Direct pacing of the mid myocardium where re-entry originates can be used to prevent ventricular arrhythmias and circumvent the need for painful defibrillation or cardiac ablation. However, there are no pacing electrodes small enough to navigate the coronary veins that cross these culprit scar regions. To address this need, we have developed an injectable ionically conductive hydrogel electrode that can fill the epicardial coronary veins and transform them into flexible electrodes.
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