Your browser doesn't support javascript.
loading
Mostrar: 20 | 50 | 100
Resultados 1 - 8 de 8
Filtrar
Más filtros











Base de datos
Intervalo de año de publicación
1.
Eur Rev Med Pharmacol Sci ; 27(19): 9226-9233, 2023 Oct.
Artículo en Inglés | MEDLINE | ID: mdl-37843336

RESUMEN

OBJECTIVE: Although there is a relationship between earlier onset of puberty and increased adiposity tissue. Publications in the literature on adiposis in patients with central precocious puberty (CPP) and visceral fat thickness (VFT) have conflicting results. So, in this study, we aimed to evaluate the relationship between sexual maturation and obesity in the development of early puberty and to examine their relationship with pelvic sonographic parameters. PATIENTS AND METHODS: A total of 126 girls [patients - premature thelarche (PT) and CPP - and controls] were included in this study. Anthropometric and ultrasonographic evaluations were made by the same pediatric endocrinologist and pediatric radiologist, respectively. Pubertal stages were made according to the Tanner stages. Height, weight, and body mass index were measured as anthropometric measurements, and visceral, subcutaneous, and transabdominal fat thicknesses were measured in sonographic evaluation. RESULTS: The study population was divided into three groups: 44 healthy subjects to Group 1, 23 patients with PT to Group 2, and 59 patients with CPP to Group 3. When we evaluated the anthropometric and ultrasonographic parameters according to pubertal status, significant differences, especially between Group 1 and Group 3, were observed in all data. In the multiple logistic regression analysis, the endometrial thickness (OR = 7.521, p < 0.001) and VFT (OR = 1.530, p < 0.001) were found to be independent predictors of precocious puberty. CONCLUSIONS: It has been found that VFT and endometrial thickness measurements, which are evaluated quickly and accurately by USG, are important predictors of prepubertal precociousness.


Asunto(s)
Pubertad Precoz , Niño , Femenino , Humanos , Pubertad Precoz/diagnóstico por imagen , Grasa Intraabdominal/diagnóstico por imagen , Pubertad , Antropometría , Obesidad
2.
Eur Rev Med Pharmacol Sci ; 26(3): 853-859, 2022 Feb.
Artículo en Inglés | MEDLINE | ID: mdl-35179751

RESUMEN

OBJECTIVE: To evaluate the diagnostic value of optic nerve sheath diameter (ONSD) using brain MRI in the pretransplantation period in the pediatric acute liver failure patients, and correlate the ONSD with clinical grade of hepatic encephalopathy (HE) and MRI findings. PATIENTS AND METHODS: Forty acute liver failure patients and 40 control group patients were retrospectively analyzed. The high signal intensities in T2W (T2-weighted image), FLAIR (Fluid Attenuated Inversion Recovery) and DWI (diffusion-weighted imaging) sequences were evaluated and ONSD was measured. The patients were grouped first into 5 according to their West Haven score, and HE grade 0 and grade 1 were accepted as low grade HE, HE grade 2, 3 and 4 were accepted as high grade HE. The patients were grouped to 2 according to the MRI findings as low grade and high grade MRI group. RESULTS: The mean value of ONSD was 6.0 ± 1.80 and 4.94 ± 1.27 in the all patients and in the control group, respectively. There was statistically significant difference between both the ONSD and the low grade-high grade HE groups (p=0.01), and between the ONSD and the low grade-high grade MRI groups (p<0.001). CONCLUSIONS: Although high ONSD values do not make the diagnosis of cerebral edema, it may cause suspicion in the early period. MRI can be helpful in the diagnoses of increased intracranial pressure like ultrasound. Our study is the first study to compare ONSD and MRI findings in addition to HE grades. The widespread use of MRI in children in recent years may help determine the normal range of ONSD values.


Asunto(s)
Hipertensión Intracraneal , Fallo Hepático Agudo , Niño , Humanos , Hipertensión Intracraneal/diagnóstico por imagen , Presión Intracraneal/fisiología , Fallo Hepático Agudo/diagnóstico por imagen , Imagen por Resonancia Magnética/métodos , Nervio Óptico/diagnóstico por imagen , Nervio Óptico/patología , Estudios Retrospectivos , Ultrasonografía
4.
J Int Med Res ; 39(1): 277-83, 2011.
Artículo en Inglés | MEDLINE | ID: mdl-21672331

RESUMEN

Patients with coronary artery disease, with (n = 25) and without (n = 59) type 2 diabetes, who were scheduled to undergo coronary artery bypass grafting were enrolled in this prospective study. The left internal thoracic artery (LITA) was assessed for graft suitability before surgery by trans-thoracic Doppler ultra sonography and during surgery by manual measurement. Significant differences were seen between preoperative and intra-operative LITA blood flow rates and LITA diameters, and the values of each at the two time points showed significant correlation, suggesting that pre-operative measurements largely related to intra-operative conditions. The pre-operative and intra-operative LITA blood flow rates and LITA diameters were not significantly different between patients with and without type 2 diabetes. Pre-operative LITA blood flow was monophasic in three patients without diabetes and the LITA grafts of these patients were deemed unsuitable for implantation during surgery. It is concluded that type 2 diabetes does not seem to have a negative effect on the suitability of LITA grafts. In addition, trans-thoracic Doppler ultrasonography is an easy, cost-effective, reproducible and non-invasive examination method, which may help in the evaluation of LIMA function and contribute to graft selection.


Asunto(s)
Puente de Arteria Coronaria/métodos , Enfermedad de la Arteria Coronaria/diagnóstico por imagen , Diabetes Mellitus Tipo 2/diagnóstico por imagen , Arterias Mamarias/diagnóstico por imagen , Ultrasonografía Doppler/métodos , Velocidad del Flujo Sanguíneo , Enfermedad de la Arteria Coronaria/complicaciones , Enfermedad de la Arteria Coronaria/cirugía , Circulación Coronaria , Diabetes Mellitus Tipo 2/complicaciones , Diabetes Mellitus Tipo 2/cirugía , Hemodinámica , Humanos , Masculino , Arterias Mamarias/trasplante , Persona de Mediana Edad , Estudios Prospectivos
5.
Clin Radiol ; 59(10): 916-25, 2004 Oct.
Artículo en Inglés | MEDLINE | ID: mdl-15451352

RESUMEN

AIM: To investigate the diagnostic value of ultrasonography in mild and moderate idiopathic carpal tunnel syndrome (CTS). MATERIALS AND METHODS: Cross-sectional areas (CSA), flattening ratios at three different levels, swelling ratio, and palmar displacement were analysed in 26 patients (14 with bilateral and 12 with unilateral disease, 40 wrists in total) for the presence and the severity of CTS. Twenty had normal nerve conduction studies (NCS) defined as "mild", and 20 of them had abnormal NCS defined as "moderate". The control group consisted of 20 healthy participants. RESULTS: All parameters were significantly different between patient and control groups. Palmar displacement, swelling ratio, CSA at all levels and distal flattening ratio had the highest significance (p < 0.0001). The criterion with the highest sensitivity was the swelling ratio > or = 1.3 (72.5%), followed by the middle CSA > 9 mm2 and the palmar displacement > 2.5 mm. All of these criteria had a higher sensitivity in diagnosing moderate cases (85-100%) than diagnosing mild cases (30-55%). There was a significant difference between normal and mild CTS groups regarding palmar displacement, distal flattening ratio, middle CSA and swelling ratio (p < 0.0001 for all) and between normal and moderate groups regarding all parameters (p < 0.01 - 0.0001) When combined middle CSA, palmar displacement and swelling ratio had an overall discriminatory accuracy of 83.8%. CONCLUSION: Additional diagnostic confirmation can be provided by ultrasonography and may be preferred as the initial step instead of electrophysiological studies. Detection of at least two of the three criteria (median nerve CSA > 9 mm2 at pisiform level, swelling ratio > or = 1.3, and palmar displacement > 2.5 mm) may be helpful for the verification of the diagnosis.


Asunto(s)
Síndrome del Túnel Carpiano/diagnóstico por imagen , Muñeca/diagnóstico por imagen , Adulto , Anciano , Análisis de Varianza , Femenino , Humanos , Masculino , Persona de Mediana Edad , Sensibilidad y Especificidad , Ultrasonografía
7.
Neuroradiology ; 44(1): 64-6, 2002 Jan.
Artículo en Inglés | MEDLINE | ID: mdl-11942503

RESUMEN

MR imaging was found to be the most sensitive modality for the detection of spinal cord abnormalities in the acutely injured spine. Although it is reported that traumatic pneumomyelogram indicates a base-of-skull or middle cranial fossa fracture and is almost certainly associated with intracranial subarachnoid air, early MR imaging may demonstrate subarachnoid air in penetrating trauma of the spinal cord without head injury. We report two cervical-spine stab-wound cases, one of which had subarachnoid air on early MR findings.


Asunto(s)
Vértebras Cervicales/lesiones , Vértebras Cervicales/patología , Imagen por Resonancia Magnética , Traumatismos de la Médula Espinal/patología , Heridas Punzantes/patología , Adulto , Aire , Humanos , Masculino , Factores de Tiempo
8.
J Clin Ultrasound ; 29(3): 130-9, 2001.
Artículo en Inglés | MEDLINE | ID: mdl-11329155

RESUMEN

PURPOSE: The purpose of this study was to evaluate the Doppler sonographic blood-flow parameters and spectral patterns in the inferior mesenteric artery (IMA) and superior mesenteric artery (SMA) in patients with active and inactive (remission-phase) ulcerative colitis (UC). METHODS: The IMAs and SMAs of 25 patients with active-phase UC (group 1), 19 patients with remission-phase UC (group 2), and 22 healthy, asymptomatic subjects (control group) were evaluated by duplex Doppler sonography. The 25 patients in group 1 were categorized into 2 subgroups on the basis of the extent of disease as determined by double-contrast barium enema x-ray study and colonoscopy. The first subgroup (group 1a) consisted of 11 patients with active involvement of the left colon from the rectum to the splenic flexure. The second subgroup (group 1b) consisted of 14 patients with active involvement of the entire colon. The peak systolic velocity (PSV), end-diastolic velocity (EDV), mean velocity (Vmean), resistance index (RI), and pulsatility index (PI) were determined from the Doppler spectral analysis. The inner diameter and cross-sectional area of the IMA and SMA were measured, and the blood-flow volume was calculated. The results were compared between the patient groups and control subjects. RESULTS: In the IMA, the mean blood-flow volume, mean PSV, mean EDV, and Vmean were significantly higher, the mean PI was significantly lower, and the mean diameter and the mean cross-sectional area were significantly larger in group 1 than in group 2 or in the control group (p < 0.001). The mean PSV and the Vmean of the IMA were significantly higher in group 1a than in group 1b (p < 0.05). The mean blood-flow parameters in the SMA were not significantly different between groups 1 and 2 or between either group 1 or group 2 and the control subjects. The mean EDV in the SMA was significantly higher and the mean PI and the mean RI were significantly lower in group 1b than in group 1a (p < 0.01). CONCLUSIONS: Duplex Doppler sonography of the IMA and SMA can be used to evaluate inflammatory disease of the large bowel, to assess disease extent, and to document response to therapy.


Asunto(s)
Colitis Ulcerosa/diagnóstico por imagen , Arteria Mesentérica Inferior/diagnóstico por imagen , Arteria Mesentérica Superior/diagnóstico por imagen , Ultrasonografía Doppler Dúplex/métodos , Adulto , Anciano , Colitis Ulcerosa/complicaciones , Colon/irrigación sanguínea , Colon/diagnóstico por imagen , Diagnóstico Diferencial , Femenino , Humanos , Inflamación , Masculino , Persona de Mediana Edad , Recto/irrigación sanguínea , Recto/diagnóstico por imagen , Flujo Sanguíneo Regional , Sensibilidad y Especificidad
SELECCIÓN DE REFERENCIAS
DETALLE DE LA BÚSQUEDA