Research progress on etiologic diagnosis of ocular viral diseases / 浙江大学学报·医学版

A large number of viruses have been found to be associated with ocular diseases, including human adenovirus, human herpesvirus (HHV), human T lymphotropic virus type-1 (HTLV-1), and newly emerging severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2). This group of diseases is prone to be misdiagnosed or missed diagnosis, resulting in serious tissue and visual damage. Etiological diagnosis is a powerful auxiliary mean to diagnose the ocular diseases associated with human adenovirus, herpes simplex virus 1 and varicella-zoster virus, and it provides the leading diagnosis evidence of infections with herpes simplex virus 2, Epstein-Barr virus, cytomegalovirus, HHV-6/7, HHV-8, HTLV-1 and SARS-CoV-2. Virus isolation, immunoassay and genetic diagnosis are usually used for etiologic diagnosis. For genetic diagnosis, the PCR technique is the most important approach because of its advantages of rapid detection, convenient operation, high sensitivity and high specificity.

Úlceras corneales bacterianas: actualización terapéutica / Bacterial corneal ulcers: update on treatment

Las úlceras corneales constituyen un problema de salud visual frecuente en las consultas de Oftalmología. En ocasiones, su causa puede ser imprecisa, y las consecuencias de un error en el diagnóstico o en el tratamiento pueden ser graves. Esta entidad reviste gran importancia por su repercusión en la visión y las secuelas que suelen acompañar la recuperación del paciente, por lo que realizamos una búsqueda actualizada de los últimos diez años de diversos artículos publicados para profundizar en el diagnóstico clínico-etiológico y en el tratamiento(AU)

Corneal ulcers represent a frequent visual health problem in ophthalmology. The cause may be inaccurate sometimes and the consequences of an error in diagnosis or treatment can be severe. This feature is of great importance because of its impact on the vision and the sequelae that may accompany the patient's recovery; therefore, we made a literature review of several articles for the last ten years to delve into the clinical and etiological diagnosis and into treatment(AU)

Multidisciplinary Diagnostic Approach and Etiologic Evaluation of Patients with Developmental Disorders

PURPOSE: The prevalence of developmental delay is 5-10% of the total pediatric population and early diagnosis and proper intervention are essential but a challenge for clinicians. We performed this study for several purposes. First is to know the distribution & characteristics of developmental disorders in Korea. Second is to identify all possible causes of these disorders through a multidisciplinary diagnostic approach, and thus to find out the clinical variables that are helpful in finding the etiology. And finally to develop a useful protocol that eliminates the cost of unnecessary tests and raises the diagnostic rate of the cause. METHODS: 518 patients(M 349, F 169) were studied who visited Ilsan Hospital Developmental Disorder Clinic(DDC) for the evaluation of developmental delay from April 2001 to Jan 2005. RESULTS: The mean age was 51.5+/-32.9 months, ranging from 2 months to 16.0 years of age with a majority of the preschool children(<6 yr)(79.3%). Phenomenological diagnosis consisted of 133 cases of mental retardation, 122 cases of autistic disorders, 101 cases of delayed language disorders, 27 cases of cerebral palsies, and 91 cases labeled as simple developmental delay requiring follow up due to age less than 2 years of age. Etiologic diagnosis was obtained in 119 cases(22.9%) out the 518 cases of developmental delays. 37 cases of chromosomal anomalies, 23 cases of Periventricular leukomalacia and hypoxic ischemic encephalopathy, 21 cases of syndromes, 7 cases of malformation of cortical development, 4 cases of myopathies, 4 cases of neuropathies, and 4 cases of cerebral infarctions were found. Among the clinical variables, low birth weight, facial dysmorphism, hypotonia, focal neurologic signs, and abnormalities in MRI, chromosome, EEG and EMG studies contributed to the yields of etiologic diagnosis significantly. CONCLUSION: Possible etiology was determined in about 23% of the subjects. The most important part of the assessment for the identification of etiology is thorough history taking, physical and neurologic examination. Neuroimaging study is useful in case of micro or macrocephaly, focal neurologic signs. Genetic studies increasingly produce a yield, when there is family history of inherited disorder and there are dysmorphic features. Routine metabolic screening test has limited utility. Development of a useful screening protocol adequate for Korean situation is required.

Clinical Investigation of Primary Amenorrhea / 대한산부인과학회잡지

OBJECTIVE: To assess the etiologic diagnosis of primary amenorrhea and review the clinical significance in management of primary amenorrhea. METHODS: To make the accurate etiologic diagnosis of primary amenorrhea, karyotype, hormone study (TSH, Prolactin, LH, FSH, Estradiol, Testosterone, DHEA-S), various imaging techniques were performed in total 57 patients. And additional GnRH stimulation test and bone densitometry were also performed in group of hypogonadotropic amenorrhea with normal sella and brain imaging for discriminating the hypothalamic and pituitary cause and in patients with low estrogenic state for identifying the risk of osteoporosis, respectively, then reviewed as to clinical significance according to etiologic classification, karyotypical abnormalities, and risk of osteoporosis in low estrogenic group. RESULTS: The range of age at diagnosis was from 13 to 34 years, most commonly, 17-18 years, 26.3%. The most common causes of primary amenorrhea was 46,XX ovarian failure and hypothalamic failure, 19.3% and 19.3%, respectively. The next common causes were genetic disorder related with Turner syndrome (17.5%), M llerian agenesis (12.3%), complete androgen insensitivity syndrome (10.5%), orderly. In cytogenetic study, 19 patients (34%) showed abnormal karyotype, of abnormal karyotypes, Turner genotype was most common (52%), and 46,XY was second most common (31.5%). Almost all patients with low estrogenic state showed osteopenia or osteoporosis. CONCLUSION: The most common causes of primary amenorrhea were 46,XX gonadal failure, hypothalamic failure, Turner syndrome. These all patients were at high risk of osteoporosis or osteopenia.

Value of Bronchoscopy and Bronchoalveolar Lavage in Etiologic Diagnosis of Immunocompromised Patients with Pneumonia / 中华医院感染学杂志

OBJECTIVE To investigate the value of fibrobronchoscopy and bronchoalveolar lavage in etiologic diagnosis of pneumonia in immunocompromised patients.METHODS The clinical document and results of fibrobronchoscopy and bronchoalveolar lavage in 36 immunocompromised patients with pneumonia were retrospectively analyzed,whose conditions were mainly after organ transplantation and hematologic neoplasia.RESULTS Through fibrobronchoscopy and(or) bronchoalveolar lavage,22 cases(61.1%) were etiologically diagnosed.In 19 cases taking cytomegalovirus(CMV) quantitative PCR test of both peripheral blood and BALF,the positive rate of blood and BALF was 14.3% and 42.9%,respectively(P