Aim: To evaluate the image quality of a telemedicine screening program for retinal disease using a nonmydriatic camera among rural island communities in Bocas del Toro, Panama.
Methods: In June 2018, a group of three medical students volunteered at clinics operated by the Floating Doctors in the province of Bocas del Toro, Panama. Non-mydriatic images of the retina were obtained using the Pictor Plus (Volk Optical, Mentor OH), randomized, and sent to two board-certified ophthalmologists at the University of California, Irvine for analysis using a modified version of the FOTO-ED scale. Inter-rater reliability was calculated using the kappa statistic.
Results: Seventy patients provided a total of 127 images. Average image quality was 3.31, and most frequent image quality was 4/5 on the FOTO-ED scale. Thirty patients had at least one eye image with ideal quality (42.86%), while only one patient had no adequate photos taken (1.43%). However, high quality images were obtained in both eyes in only 12 patients (17.14%). The inter-rater reliability between the two ophthalmologists was 0.614.
Conclusion: Further improvements are necessary to acquire higher quality images more reliably. This may include further training and experience or mydriasis.
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http://www.ncbi.nlm.nih.gov/pmc/articles/PMC9203467 | PMC |
http://dx.doi.org/10.18240/ijo.2022.06.14 | DOI Listing |
BMC Musculoskelet Disord
December 2024
Department of Orthopaedic Surgery, The Jikei University School of Medicine, 3-19-18 Nishi-shimbashi, Minato-ku, Tokyo, 105-8471, Japan.
Purpose: This study aimed to identify whether the ratio of the vertebral Hounsfield unit to serum pentosidine (H/P ratio), which reflects bone density and quality, can predict screw loosening after spinal fusion surgery.
Methods: A retrospective case-control study was conducted in 35 patients (mean age 71 ± 10.4 years, 18 men) who underwent spinal interbody fusion for lumbar spine disease between June 2020 and February 2022.
BMC Musculoskelet Disord
December 2024
Department of Orthopaedics, Seventh People's Hospital of Shanghai University of TCM, Shanghai, 200137, China.
Introduction: The modified pedicle screw fixation (PSF) was designed to simulate an integrated framework structure to ameliorate the resistance to vertical and shearing forces of the disrupted sacroiliac complex, and the aim of this study was to compare the biomechanical characteristics of PSF and traditional lumbopelvic fixation (LPF) for the treatment of sacroiliac joint disruption.
Methods: The digital computer simulation model of an intact spine-pelvis-femur complex with main ligaments was built from clinical images. A left sacroiliac joint disruption model was mimicked by removing the concerned ligaments.
J Vasc Surg
December 2024
Division of Vascular and Endovascular Surgery, Department of Surgery, University of California San Francisco, San Francisco, CA.
Objectives: Patients that survive acute aortic dissection (AD) remain at high risk of morbidity/mortality from structural changes of the aorta. Aortic surveillance is challenging, especially within a tertiary referral center. Our aim was to identify follow-up imaging and appointment rates, and factors associated with incomplete surveillance in patients with acute AD.
View Article and Find Full Text PDFMagn Reson Imaging
December 2024
Department of Radiology, The First Affiliated Hospital of Nanjing Medical University, Nanjing, Jiangsu Province, China. Electronic address:
Background And Purpose: Punctate White Matter Lesion (PWML) is common in neonates. Multi-parametric MR imaging with flexible design (MULTIPLEX, MTP) generates multiple requires only about 6 min for full-head coverage. This study aimed to evaluate the value of T1WI and aT1WI contrasts of MTP in detecting neonatal punctate white matter lesions.
View Article and Find Full Text PDFJ Adv Res
December 2024
College of Agronomy and Biotechnology, China Agricultural University/ The Innovation Center (Beijing) of Crop Seeds Whole-Process Technology Research of Ministry of Agriculture and Rural Affairs/ Beijing Key Laboratory of Crop Genetic Improvement, Beijing 100193, China. Electronic address:
Introduction: Seeds are fundamental to agricultural production, and their vigor affects seedling quality, quantity, and crop yield. Accurate vigor assessment methods are crucial for agricultural productivity.
Objectives: Traditional seed vigor testing and phenotypic trait acquisition methods are complex, time-consuming, or destructive.
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