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1.
Int J Mol Sci ; 23(8)2022 Apr 11.
Article in English | MEDLINE | ID: mdl-35457050

ABSTRACT

Early-onset high myopia (EoHM) is a disease that causes a spherical refraction error of ≥-6 diopters before 10 years of age, with potential multiple ocular complications. In this article, we report a clinical and genetic study of 43 families with EoHM recruited in our center. A complete ophthalmological evaluation was performed, and a sample of peripheral blood was obtained from proband and family members. DNA was analyzed using a customized next-generation sequencing panel that included 419 genes related to ophthalmological disorders with a suspected genetic cause, and genes related to EoHM pathogenesis. We detected pathogenic and likely pathogenic variants in 23.9% of the families and detected variants of unknown significance in 76.1%. Of these, 5.7% were found in genes related to non-syndromic EoHM, 48.6% in genes associated with inherited retinal dystrophies that can include a syndromic phenotype, and 45.7% in genes that are not directly related to EoHM or retinal dystrophy. We found no candidate genes in 23% of the patients, which suggests that further studies are needed. We propose a systematic genetic analysis for patients with EoHM because it helps with follow-up, prognosis and genetic counseling.


Subject(s)
Myopia , Retinal Dystrophies , DNA Mutational Analysis , High-Throughput Nucleotide Sequencing , Humans , Mutation , Myopia/diagnosis , Myopia/genetics , Pedigree , Retinal Dystrophies/genetics
2.
Pediatr Infect Dis J ; 40(11): 969-974, 2021 11 01.
Article in English | MEDLINE | ID: mdl-34636796

ABSTRACT

BACKGROUND: Preseptal and orbital cellulitis are two types of infection surrounding the orbital septum with very different potential outcomes. Our aim was to describe key differential features of both conditions, laying special emphasis on diagnostic and therapeutic tools. METHODS: A retrospective review of patients admitted to a tertiary hospital over a 15-year period (January 2004-October 2019) was conducted. We included 198 patients with preseptal and 45 with orbital cellulitis. Descriptive statistics were performed to examine the available information. RESULTS: Statistically significant differences were found between patients with preseptal and orbital cellulitis regarding age (3.9 ± 2.14 vs. 7.5 ± 4.24 years), presence of fever (51.5% vs. 82.2%), and preexisting sinusitis (2% vs. 77.8%) (all P < 0.001). Diplopia, ophthalmoplegia and proptosis were only present in orbital cellulitis (P < 0.001). Median values of C-reactive protein were significantly higher among children with orbital involvement [136.35 mg/L (IQR 74.08-168.98) vs. 17.85 (IQR 6.33-50.10), P < 0.0001]. A CRP>120 mg/L cut-off point for orbital cellulitis was obtained. Early CT scans were performed in 75.6% of suspected orbital cellulitis and helped detecting complications at an early stage. Abscesses were revealed in 70.6% of cases, especially medial subperiosteal abscesses (58.8%). All patients received intravenous antibiotics, whereas corticosteroids were preferred in patients with orbital implication (8.6% vs. 73.3%, P < 0.001). Only 26.7% of patients required additional surgery. CONCLUSIONS: Clinical presentation and CRP are extremely sensitive for differential diagnosis of preseptal and orbital cellulitis. Prompt initiation of intravenous antibiotics is mandatory and can prevent surgical procedures even in cases with incipient abscesses.


Subject(s)
Cellulitis/classification , Cellulitis/diagnostic imaging , Orbital Cellulitis/diagnostic imaging , Orbital Cellulitis/physiopathology , Adrenal Cortex Hormones/therapeutic use , Age Factors , Anti-Bacterial Agents/therapeutic use , Cellulitis/drug therapy , Cellulitis/physiopathology , Child , Child, Preschool , Female , Humans , Male , Orbital Cellulitis/drug therapy , Retrospective Studies , Tomography, X-Ray Computed
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