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1.
Niger J Clin Pract ; 26(12): 1886-1894, 2023 Dec 01.
Artigo em Inglês | MEDLINE | ID: mdl-38158357

RESUMO

BACKGROUND: Nighttime blood pressure dipping is a normal physiologic phenomenon. Lack of dipping is associated with increased cardiovascular disease; thus, non-dipping patients are candidates for more strict risk reduction strategies. Dipping presence can be identified using ambulatory blood pressure measurement (ABPM). Recent findings indicate that inflammatory, metabolic, and liver-related indices may have a role in predicting dipping presence dichotomously. AIM: To investigate whether dipping ratios correlate with that inflammatory, metabolic, and liver-related indices. MATERIALS AND METHODS: Hypertensive patients with ABPM recordings were retrospectively collected. Patient characteristics, co-morbidities, medications, laboratory results, and ABPM results were analyzed. The neutrophil-to-lymphocyte ratio (NLR), platelet-to-lymphocyte ratio (PLR), triglyceride-glucose index (TyG), triglyceride-to-HDL ratio (TG/HDL), total cholesterol-to-HDL ratio (TC/HDL), AST-to-ALT ratio (AST/ALT), fibrosis-4 (FIB-4), and AST-to-platelet ratio index (APRI) were calculated. Differences and correlations were analyzed between indices, dipping patterns, and ratios. RESULTS: Ninety-three patients were included in the study. Forty-five had either a systolic or diastolic dipping pattern. NLR, PLR, TG/HDL, and TC/HDL indices correlated negatively with dipping ratios. AST/ALT was higher in systolic dippers (1.04 vs 0.88, P = 0.03). However, no difference was observed between NLR, PLR, TyG, TG/HDL, TC/HDL, FIB-4, and APRI among different dipping presences. CONCLUSION: This study showed for the first time that there was a negative correlation between inflammatory and metabolic indices and dipping ratios.


Assuntos
Monitorização Ambulatorial da Pressão Arterial , Hipertensão , Humanos , Pressão Sanguínea/fisiologia , Estudos Retrospectivos , Monitorização Ambulatorial da Pressão Arterial/métodos , Hipertensão/complicações , Fígado , Triglicerídeos
2.
Niger J Clin Pract ; 26(9): 1396-1398, 2023 Sep.
Artigo em Inglês | MEDLINE | ID: mdl-37794557

RESUMO

The immune and hemostatic systems share a common evolutionary origin, both defend against threats to organisms, and inflammation can cause venous thromboembolism. We would like to report a patient with a history of psoriasis, a chronic inflammatory disease, who has been admitted to our clinic with a swollen right arm and collateral veins visible throughout the right upper arm and right pectoral region, which have been present for almost 2 years. Investigations revealed a thrombus extending from the proximal basilic vein into the axillary and subclavian veins but sparing the superior vena cava. Further investigation was performed to reveal any likely cause other than psoriasis, including malignancy, rheumatological disease, or genetic thrombophilia, but none were revealed. This report illustrates that psoriasis-related inflammation can cause atypically located venous thromboembolic events.


Assuntos
Psoríase , Trombose , Tromboembolia Venosa , Humanos , Veia Cava Superior , Tromboembolia Venosa/etiologia , Trombose/etiologia , Inflamação
3.
Niger J Clin Pract ; 26(3): 365-367, 2023 Mar.
Artigo em Inglês | MEDLINE | ID: mdl-37056115

RESUMO

Melanoma is a relatively rare tumour with tendency to metastasize to the gastrointestinal tract. Metastasis to the intestine constitutes a majority of the gastrointestinal tract melanoma metastases and confers a poor prognosis. While post-mortem studies detect that more than half of the melanoma patients have gastrointestinal tract metastasis, only minority are diagnosed, and even rarer present with intussusception. Intussusception, mainly a paediatric entity, is also seen among adult patients with underlying inflammatory bowel disease or tumour. In this report, we describe a patient with a melanoma in remission who presented with intestinal obstruction after months of vague abdominal complaints. Laparotomy revealed jejunal intussusception and histopathological staining confirmed the melanoma diagnosis. No other distant metastases other than the jejunum were revealed after extensive investigation.


Assuntos
Obstrução Intestinal , Intussuscepção , Melanoma , Adulto , Humanos , Criança , Intussuscepção/diagnóstico , Intussuscepção/etiologia , Intussuscepção/cirurgia , Jejuno , Recidiva Local de Neoplasia , Melanoma/complicações , Melanoma/diagnóstico , Melanoma/cirurgia , Obstrução Intestinal/patologia , Síndrome
4.
J Endocrinol Invest ; 42(4): 453-470, 2019 Apr.
Artigo em Inglês | MEDLINE | ID: mdl-30132287

RESUMO

BACKGROUND: Studies regarding genetic and clinical characteristics, gender preference, and gonadal malignancy rates for steroid 5-alpha-reductase type 2 deficiency (5α-RD2) are limited and they were conducted on small number of patients. OBJECTIVE: To present genotype-phenotype correlation, gonadal malignancy risk, gender preference, and diagnostic sensitivity of serum testosterone/dihydrotestosterone (T/DHT) ratio in patients with 5α-RD2. MATERIALS AND METHODS: Patients with variations in the SRD5A2 gene were included in the study. Demographic characteristics, phenotype, gender assignment, hormonal tests, molecular genetic data, and presence of gonadal malignancy were evaluated. RESULTS: A total of 85 patients were included in the study. Abnormality of the external genitalia was the most dominant phenotype (92.9%). Gender assignment was male in 58.8% and female in 29.4% of the patients, while it was uncertain for 11.8%. Fourteen patients underwent bilateral gonadectomy, and no gonadal malignancy was detected. The most frequent pathogenic variants were p.Ala65Pro (30.6%), p.Leu55Gln (16.5%), and p.Gly196Ser (15.3%). The p.Ala65Pro and p.Leu55Gln showed more undervirilization than the p.Gly196Ser. The diagnostic sensitivity of stimulated T/DHT ratio was higher than baseline serum T/DHT ratio, even in pubertal patients. The cut-off values yielding the best sensitivity for stimulated T/DHT ratio were ≥ 8.5 for minipuberty, ≥ 10 for prepuberty, and ≥ 17 for puberty. CONCLUSION: There is no significant genotype-phenotype correlation in 5α-RD2. Gonadal malignancy risk seems to be low. If genetic analysis is not available at the time of diagnosis, stimulated T/DHT ratio can be useful, especially if different cut-off values are utilized in accordance with the pubertal status.


Assuntos
3-Oxo-5-alfa-Esteroide 4-Desidrogenase/deficiência , 3-Oxo-5-alfa-Esteroide 4-Desidrogenase/genética , Di-Hidrotestosterona/sangue , Transtornos do Desenvolvimento Sexual/complicações , Neoplasias dos Genitais Femininos/etiologia , Neoplasias dos Genitais Masculinos/etiologia , Testosterona/sangue , Adolescente , Adulto , Criança , Pré-Escolar , Aberrações Cromossômicas , Transtornos do Desenvolvimento Sexual/metabolismo , Transtornos do Desenvolvimento Sexual/patologia , Feminino , Estudos de Associação Genética , Neoplasias dos Genitais Femininos/metabolismo , Neoplasias dos Genitais Femininos/patologia , Neoplasias dos Genitais Masculinos/metabolismo , Neoplasias dos Genitais Masculinos/patologia , Humanos , Lactente , Recém-Nascido , Masculino , Estudos Retrospectivos , Fatores de Risco , Fatores Sexuais , Maturidade Sexual , Turquia , Adulto Jovem
5.
Helminthologia ; 56(2): 132-140, 2019 Jun.
Artigo em Inglês | MEDLINE | ID: mdl-31662684

RESUMO

The metazoan parasites were investigated of two flatfish the common sole, Solea solea (n:140) and the scaldfish, Arnoglossus laterna (n: 22) in the Sinop coast of Black Sea from June 2015 to June 2017. A total of 15 metazoan parasite species belonging to Digenea (6), Cestoda (3), Acanthocephala (1), Nematoda (4) and Isopoda (1) taxonomic groups were identified. Solea solea was found to be infected by Condylocotyla pilodora, Proctoeces maculatus, Opecoelidae gen. sp., Metadena sp., Stephanostomum sp., Progrillotia sp., Capillaria gracilis, Cucullanus campanae, Solearhynchus rhytidotes and Nerocila orbignyi. Arnoglossus laterna was found to be infected by Lecithochirium musculus and Grillotia erinaceus. Scolex pleuronectis, Hysterothylacium aduncum and Dichelyne minutus were determined in both flatfish. Infection prevalence and mean intensity values were recorded for each parasite species. Infection values for each parasite species in relation to season and fish size were also determined and compared as comparatively. This study is the first one assessing the metazoan parasites both of S. solea and A. laterna collected from the Turkish coast of Black Sea. While Condylocotyle pilodora and Capillaria gracilis are new parasite records for S. solea, Grillotia erinecaus is new parasite record for A. laterna. Moreover, this paper is the first report on occurrence of Opecoelidae gen. sp., Metadena and Stephanostomum genera in S. solea.

6.
Bratisl Lek Listy ; 117(3): 152-5, 2016.
Artigo em Inglês | MEDLINE | ID: mdl-26925745

RESUMO

AIM: Information regarding the Neutrophil/Lymphocyte ratio (NLR) in sarcoidosis and the data from studies recommending its use as an indicator of inflammation and in the differential diagnosis and prognosis, are limited. With this study, it was aimed to obtain data regarding the NLR level in the patients at the time of presentation to the hospital and to determine the characteristics of patients in whom the NLR value was > 2. RESULTS: During the study period, of the 3434 patients with the sub-diagnosis of D86, 1300 cases whose complete blood count values had been recorded at the time of presentation were included in the study. Of the cases, 40 % were pulmonary sarcoidosis, 7 % were pulmonary sarcoidosis with sarcoidosis of the lymph nodes, 8 % were lymph node sarcoidosis, 1 % were sarcoidosis, of other combined areas, and 40 % of the cases were sarcoidosis that were unspecified. The F/M of the cases were 947/353, and the average age of the cases was 44. When the sarcoidosis groups were grouped into NLR < 2 (Group 1) and NLR ≥ 2 (Gorup 2), 27 % were Group 1, 73 % were Group 2, and a significant correlation was found between the two groups. When the inflammatory indicators were compared with NLR, the PLT/MPV was found to be statistically insignificant, and the ACE, ESR and CRP were found to be statistically significant. CONCLUSION: The Neutrophil/Lymphocyte ratio in the complete blood count, which is an easy and cheap test, can be used as an indicator of inflammation in Sarcoidosis. In clinical practice, wide-based studies comprising the activity and the staging in the prognosis of sarcoidosis are required (Tab. 2, Fig. 2, Ref. 26).


Assuntos
Linfócitos , Neutrófilos , Sarcoidose/imunologia , Adulto , Contagem de Células Sanguíneas , Feminino , Humanos , Inflamação/sangue , Masculino , Pessoa de Meia-Idade , Estudos Retrospectivos , Sarcoidose/sangue
7.
Genet Couns ; 26(2): 195-204, 2015.
Artigo em Inglês | MEDLINE | ID: mdl-26349189

RESUMO

Focal dermal hypoplasia (FDH), an X-linked dominant disease with a highly variable phenotype, presents mainly with congenital linear pigmentation of the skin, herniation of fat through the dermal defects and multiple papillomas. PORCNmicrodeletions are identified in a total of 12 FDH patients to date. Routine molecular methods for detecting microdeletions have proven not to be effective, as patients also carry a normal allele. Additionally, methods using copy number estimations are labor-intensive, time-consuming and require expensive equipment. With respect to the molecular diagnosis of FDH, we aimed to investigate the inheritance of maternal disease allele in a three-generation FDH pedigree with seven affected members by using a simple yet efficient method. The strategy used in this study appeared to have the benefit of detecting all PORCN micro-deletions identified for FDH so far. The family with the largest number of related patients reported to date presented an opportunity to evaluate clinical variability, which was high, with the least affected and the most severely affected patients being half-sisters. The extensive intra-familial phenotypic variability observed in this FDH family suggests that genetic counselling should be part of management of this syndrome even in a family with a very mild case. The unique finding of IgA deficiency in the most severe case indicated that the feature could be a new characteristic of FDH.


Assuntos
Hipoplasia Dérmica Focal/genética , Deficiência de IgA/genética , Proteínas de Membrana/genética , Aciltransferases , Adulto , Idoso , Idoso de 80 Anos ou mais , Feminino , Humanos , Pessoa de Meia-Idade , Linhagem , Adulto Jovem
8.
J Vector Borne Dis ; 52(1): 36-9, 2015 Mar.
Artigo em Inglês | MEDLINE | ID: mdl-25815865

RESUMO

BACKGROUND & OBJECTIVES: Crimean-Congo hemorrhagic fever (CCHF) is a tick-borne viral disease, causing severe viral hemorrhagic fever outbreaks. This study aimed at determining the serum vitamin D levels and investigated the association between Crimean-Congo hemorrhagic fever (CCHF) and serum vitamin D levels in children with CCHF. METHODS: A total of 45 children aged between 5 and 15 yr, viz. 15 healthy control (HC) and 30 pediatric patients diagnosed with CCHF with real-time polymerase chain reaction (PCR) (patient group) were selected for the study. RESULTS: Analysis of the blood serum samples taken from the said individuals revealed that vitamin D, parathyroid hormone and calcium levels of the patients and the control groups were statistically different. INTERPRETATION & CONCLUSION: It was found that the serum vitamin D levels of the pediatric patients with CCHF were lower when compared to those of the controls, and that a low vitamin D level could negatively affect the reaction of the body to infections in children having CCHF.


Assuntos
Vírus da Febre Hemorrágica da Crimeia-Congo/isolamento & purificação , Febre Hemorrágica da Crimeia/metabolismo , Vitamina D/sangue , Adolescente , Cálcio/sangue , Criança , Pré-Escolar , Vírus da Febre Hemorrágica da Crimeia-Congo/genética , Febre Hemorrágica da Crimeia/diagnóstico , Humanos , Hormônio Paratireóideo/sangue , Reação em Cadeia da Polimerase em Tempo Real
9.
Minerva Pediatr ; 67(6): 481-7, 2015 Dec.
Artigo em Inglês | MEDLINE | ID: mdl-25034219

RESUMO

AIM: Although the pathogenesis of childhood obesity is multi factorial, maternal obesity and parenting have major roles. The aim of this study was to evaluate the influence of maternal obesity on feeding practices toward their obese school children. METHODS: Obese children and adolescents referred to the pediatric endocrinology department were enrolled consecutively. Height and weight of all children and their mothers were measured. Maternal feeding practices were measured using an adapted version of the Child Feeding Questionnaire (CFQ). Answers were compared between obese (Body Mass Index [BMI] ≥ 30 kg/m2) and non-obese mothers. RESULTS: A total of 491 obese subjects (292 girls, mean age 12.0 ± 2.8 years) and their mothers participated in this study. A direct correlation between children's BMI and their mothers' BMI was found (P<0.001) both in girls (r = 0.372) and boys (r = 0.337). While 64.4% of mothers were found obese in the study, only half of them consider themselves as obese. No difference were found in the scores of the subscales "perceived responsibility", "restriction", "concern for child's weight" and "monitoring" between obese and non-obese mothers. Child's BMI-SDS positively correlated with mothers' personal weight perception, concern for child's weight and restriction after adjustment for child's age (P < 0.001, P = 0.012 and P = 0.002, respectively). CONCLUSION: Mothers' BMI highly correlate with children's BMI-z-scores. The degree of child's obesity increases mothers' concern and food restriction behavior. While mothers of obese children have a high prevalence of obesity, maternal obesity was found to have no significant influence on feeding behavior of obese school children.


Assuntos
Comportamento Alimentar , Mães , Obesidade/epidemiologia , Obesidade Infantil/epidemiologia , Adolescente , Índice de Massa Corporal , Criança , Estudos Transversais , Feminino , Humanos , Masculino , Relações Mãe-Filho , Prevalência , Inquéritos e Questionários
10.
Andrologia ; 46(1): 50-58, 2014 Feb.
Artigo em Inglês | MEDLINE | ID: mdl-23157213

RESUMO

The purpose of this study was to examine the effects of hypobaric hypoxia on testis morphology and the effects of erdosteine on testis tissue. Caspase-3 and hypoxia-inducible factor 1α expressions were detected by immunohistochemistry. Adult male Wistar rats were placed in a hypobaric hypoxic chamber. Rats in the erdosteine group were exposed to the same conditions and treated orally with erdosteine (20 mg kg(-1) daily) at the same time from the first day of hypoxic exposure for 2 weeks. The normoxia group was evaluated as the control. The hypoxia group showed decreased height of spermatogenic epithelium in some seminiferous tubules, vacuolisation in spermatogenic epithelial cells, deterioration and gaps in the basal membrane and an increase in blood vessels in the interstitial area. The erdosteine group showed amelioration of both epithelial cell vacuolisation and basal membrane deterioration. Numbers of hypoxia-inducible factor 1α-immunostained Sertoli and Leydig cells were significantly higher in the hypoxia group than in the erdosteine group. The number of seminiferous tubules with caspase-3-immunostained germ cells was highest in the hypoxia group and decreased in the erdosteine and normoxia groups respectively. Based on these observations, erdosteine protects testis tissue from hypoxic injury by reducing apoptotic cell death.


Assuntos
Apoptose/efeitos dos fármacos , Hipóxia/prevenção & controle , Testículo/efeitos dos fármacos , Tioglicolatos/farmacologia , Tiofenos/farmacologia , Animais , Caspase 3/metabolismo , Subunidade alfa do Fator 1 Induzível por Hipóxia/metabolismo , Masculino , Ratos , Ratos Wistar , Testículo/enzimologia , Testículo/metabolismo , Testículo/patologia
11.
Pediatr Diabetes ; 13(6): e22-5, 2012 Sep.
Artigo em Inglês | MEDLINE | ID: mdl-21545677

RESUMO

Methylmalonic acidemia (MMA) is an inherited organic acidemia usually present with recurrent episodes of acute illness. A typical episode is ushered in with ketonuria and vomiting, followed by acidosis, dehydration, and lethargy, leading, in the absence of aggressive treatment, to coma and death. We report an infant with MMA presented with diabetes symptoms. A 13-month-old girl complained of polydipsia, diuresis, and loss of weight. She had clinical signs of diabetic ketoacidosis such as dehydration, deep sighing respiration, smell of ketones, lethargy, and vomiting. Laboratory analysis showed hyperglycemia with acidosis and ketonuria. She was treated with parenteral fluid, electrolyte, and insulin infusion. Two days after her discharge, after having a meal rich in protein, she was brought unconscious with hepatomegaly, severe acidosis, ketonuria, and mild hyperammonemia. The absence of hyperglycemia and the presence of neurologic findings suggested organic acidemia. MMA was diagnosed because of methylmalonic aciduria and elevated C3 carnitine esters. Cranial magnetic resonance imaging (MRI) showed increased uptake of radiocontrast material in the basal ganglia bilaterally. A homozygous mutation in exon 4 of the MMAA gene was found in mutation analysis and confirmed the diagnosis of cblA-deficient MMA. Neurologic regression was improved with treatment of low-protein diet, vitamin B12, and l-carnitine. In patients born to consanguineous parents who admit during infancy with severe acidosis refractory to treatment, organic acidemias should be kept in mind, even they have high blood glucose. The definitive diagnosis is important because it may allow a specific treatment and a favorable evolution to prevent the sequelae.


Assuntos
Erros Inatos do Metabolismo dos Aminoácidos/diagnóstico , Cetoacidose Diabética/diagnóstico , Erros Inatos do Metabolismo dos Aminoácidos/dietoterapia , Erros Inatos do Metabolismo dos Aminoácidos/genética , Erros Inatos do Metabolismo dos Aminoácidos/terapia , Carnitina/uso terapêutico , Diagnóstico Diferencial , Dieta com Restrição de Proteínas , Feminino , Humanos , Lactente , Imageamento por Ressonância Magnética , Proteínas de Transporte da Membrana Mitocondrial/genética
12.
J BUON ; 16(2): 257-64, 2011.
Artigo em Inglês | MEDLINE | ID: mdl-21766495

RESUMO

PURPOSE: Treatment outcomes and prognostic features of a specific cancer generally come from prospective randomized studies. It seems reasonable to ask the question whether the results of prospective randomized studies entirely reflect the results of the population treated in "real world" practice. Therefore we performed a retrospective cohort analysis in order to find out the efficacy of adjuvant chemotherapy as well as the prognostic factors of our patient population treated in daily practice, and compared these findings with those defined in the prospective studies. METHODS: Data of patients with high risk stage II and all stage III colon cancers treated with adjuvant chemotherapy were retrospectively analyzed. RESULTS: A total of 190 patients were retrospectively analyzed. The rates of T2, T3, and T4 tumors were 4.2, 77.9, and 17.9%, respectively. Over 35% of the patients had stage II disease. Of the 5- fluorouracil (5-FU)-based chemotherapy group (n=141), 15% had a dose reduction because of toxicity and 73% were given the total planned dose and cycles, whereas these rates were 18.5 and 66% for oxaliplatin+5-FU treated group, respectively (p=0.66 and 0.44, respectively). The 3-year disease-free survival (DFS) and 5-year cancer-specific overall survival (OS) for all patients were 69.4 and 73%, respectively. In multivariate analysis, cancer-specific OS showed significant correlation with T stage (p=0.015) and with perineural invasion (p=0.024). Also patients ≥ 65 years old had significantly lower OS (p= 0.003) CONCLUSION: This study is the fi rst to report the efficacy of adjuvant treatment in a curatively resected Turkish colon carcinoma population treated in "real world" practice. Our study showed that the treatment results and the prognostic parameters of Turkish colon carcinoma patients treated in "real world" practice are not different from those of selected patients treated in randomized prospective studies.


Assuntos
Adenocarcinoma/tratamento farmacológico , Protocolos de Quimioterapia Combinada Antineoplásica/uso terapêutico , Neoplasias do Colo/tratamento farmacológico , Adenocarcinoma/secundário , Adulto , Idoso , Idoso de 80 Anos ou mais , Quimioterapia Adjuvante , Estudos de Coortes , Neoplasias do Colo/patologia , Feminino , Fluoruracila/administração & dosagem , Seguimentos , Humanos , Masculino , Pessoa de Meia-Idade , Estudos Multicêntricos como Assunto , Compostos Organoplatínicos/administração & dosagem , Oxaliplatina , Prognóstico , Estudos Prospectivos , Ensaios Clínicos Controlados Aleatórios como Assunto , Estudos Retrospectivos , Taxa de Sobrevida
13.
Nephron Clin Pract ; 112(3): c199-204, 2009.
Artigo em Inglês | MEDLINE | ID: mdl-19439991

RESUMO

BACKGROUND/AIM: The aim of this retrospective study was to evaluate the presentation, clinical and pathological manifestations and outcome of the Henoch-Schönlein purpura (HSP) nephritis in children. METHODS: Clinical and laboratory data of 443 children with HSP nephritis aged between 3 and 16 years from 16 pediatric nephrology reference centers were analyzed retrospectively. The biopsy findings were graded according to the classification developed by the International Study of Kidney Disease in Children (ISKDC). RESULTS: Renal biopsy was performed in 179 of the patients with HSP nephritis. The most common presenting clinical finding in patients who were biopsied was nephrotic range proteinuria (25%) which was followed by nephritic-nephrotic syndrome (23.5%). The biopsy findings according to the ISKDC were as follows: class I: 8.3%; II: 44.1%; III: 36.3%; IV: 6.7%; V: 3.3%; VI: 1.1%. All of the patients who developed end-stage renal disease had nephritic-nephrotic syndrome at presentation. Of 443 patients, 87.2% had a favorable outcome and 12.8% had an unfavorable outcome. The overall percentage of children who developed end-stage renal disease at follow-up was 1.1%. Logistic regression analysis did not show any association of initial symptoms and histology with outcome. CONCLUSION: In the presented cohort, the presence of crescents in the first biopsy or presenting clinical findings did not seem to predict the outcome of HSP nephritis in children. We conclude that children with HSP nephritis even with isolated microscopic hematuria and/or mild proteinuria should be followed closely.


Assuntos
Vasculite por IgA/epidemiologia , Vasculite por IgA/patologia , Nefrite/epidemiologia , Nefrite/patologia , Adolescente , Criança , Pré-Escolar , Comorbidade , Feminino , Humanos , Incidência , Masculino , Reprodutibilidade dos Testes , Medição de Risco , Fatores de Risco , Sensibilidade e Especificidade , Turquia/epidemiologia
14.
Thorac Cardiovasc Surg ; 57(6): 333-8, 2009 Sep.
Artigo em Inglês | MEDLINE | ID: mdl-19707974

RESUMO

BACKGROUND: Reoperations for bypass surgery increase the need for new grafts. We investigated early changes in both the normal human saphenous vein and in ectatic varicose veins externally supported by PTFE (polytetrafluoroethylene) graft and exposed to arterial pressure in an IN VITRO non-pulsatile flow model. MATERIAL AND METHODS: A total of 24 saphenous vein pieces (11 of them normal, the other 13 with varicosities) with a length of 6 centimeters were divided into equal parts; half of these parts were wrapped in PTFE grafts. All vein parts were placed in a perfusion circuit. Tissue biopsies were obtained from the vein segments. Light and electron microscopy examinations were performed, and endothelial continuity, elastic laminate continuity, medial connective tissue uniformity, medial smooth muscle uniformity, and adventitial connective tissue uniformity parameters were identified. RESULTS: All parameters in the PTFE protected vein groups were better. The fewest morphological changes among all four groups were detected in the vein walls from normal veins with PTFE protection. There was no significant difference in endothelial continuity and adventitial connective tissue uniformity between the normal vein group and the varicose vein group with PTFE protection. CONCLUSIONS: It is suggested that supporting vein grafts externally with PTFE sufficiently protects the vein walls against damage from exposure to arterial pressure. If varicose veins are used as arterial grafts, supporting them with PTFE may be useful because of the good protection of endothelial and medial connective tissues, resulting in similar parameters to those of normal vein walls.


Assuntos
Pressão Sanguínea , Implante de Prótese Vascular/instrumentação , Prótese Vascular , Veia Safena/cirurgia , Varizes/cirurgia , Ponte Cardiopulmonar , Tecido Conjuntivo/cirurgia , Tecido Conjuntivo/ultraestrutura , Endotélio Vascular/cirurgia , Endotélio Vascular/ultraestrutura , Humanos , Teste de Materiais , Músculo Liso Vascular/cirurgia , Músculo Liso Vascular/ultraestrutura , Politetrafluoretileno , Desenho de Prótese , Veia Safena/fisiopatologia , Veia Safena/ultraestrutura , Varizes/patologia , Varizes/fisiopatologia
15.
J Int Med Res ; 37(6): 1877-81, 2009.
Artigo em Inglês | MEDLINE | ID: mdl-20146886

RESUMO

There is growing evidence that bladder dysfunction is a negative prognostic factor for spontaneous resolution of vesicoureteric reflux (VUR). This study evaluated the prevalence of urodynamic abnormalities in infants with primary VUR who were referred over a 4-year period. The urodynamic evaluations and medical records of 54 infants with primary VUR (79 ureters with reflux) were reviewed prospectively. Urodynamic dysfunction was observed in 46.3% (n = 25) of infants with primary VUR; 35.2% (n = 19) had a low bladder capacity and 11.1% (n = 6) had a large bladder capacity. All infants with large bladder capacities also had high grade (IV - V) VUR. In conclusion, there was a close relationship between bladder dysfunction and primary VUR. For that reason, urodynamic testing of infants with primary VUR should be performed as part of routine clinical evaluations.


Assuntos
Bexiga Urinária/fisiopatologia , Refluxo Vesicoureteral/fisiopatologia , Adolescente , Criança , Pré-Escolar , Feminino , Humanos , Lactente , Masculino , Pressão , Micção/fisiologia , Urodinâmica/fisiologia
16.
Poult Sci ; 88(7): 1459-65, 2009 Jul.
Artigo em Inglês | MEDLINE | ID: mdl-19531718

RESUMO

The addition of sachets or pads containing volatile antimicrobial agents into packages has been the most successful commercial application of antimicrobials to packaging. In this study, the effect of oregano (Origanum onites) essential oil on the extension of shelf life of overwrap packed fresh chicken drumsticks was investigated. Meat exudate absorbent pads were sprayed with 5 mL of oregano essential oil at a concentration of 1.5% in distillate water. Sampling was carried out at 0, 3, 5, and 7 d of the refrigerated storage. Total viable count, psychrotrophs, pseudomonads, members of the family Enterobacteriaceae, yeasts, and lactic acid bacteria were enumerated. Physicochemical analysis and sensorial evaluation were also conducted. The shelf life of fresh chicken drumsticks was approximately 3 d. Oregano essential oil extended product shelf life by approximately 2 d. Thus, incorporation of essential oils to absorbent pads may have supplementary applications in food packaging.


Assuntos
Embalagem de Alimentos/métodos , Conservação de Alimentos/métodos , Carne/normas , Origanum , Óleos de Plantas , Animais , Galinhas , Óleos Voláteis , Temperatura
17.
Andrologia ; 40(6): 346-51, 2008 Dec.
Artigo em Inglês | MEDLINE | ID: mdl-19032683

RESUMO

Air pollution is contemporarily considered to be a significant cause in impairing semen parameters. The aim of this study was to investigate possible effects of traffic pollutants, mainly the diesel exposure, on semen analysis. A total of 38 men working as toll collectors at motorways formed the study group. Simultaneously, 35 men working as office personnel constituted the control group. Factors including varicocele, chronic diseases that can affect sperm production were the exclusion criteria. No difference regarding smoking was present between the groups. Usual semen analysis according to WHO guidelines was performed. The results of semen analysis revealed decreased motility and low sperm counts in eight and seven men from the study group respectively. Besides, a man from the same group had combined abnormality of decreased motility and low sperm count. However, two men from the control group had slight motility defect and one had low sperm count. The differences regarding the abnormal sperm count and motility were significant between the groups (P = 0.002 and P = 0.003, respectively). Similarly, the ratio of sperm cells with normal morphology was significantly lower in the study group than that in the control group (P = 0.001). This observation proposes that air pollution particularly diesel exposure may have detrimental effects on sperm parameters.


Assuntos
Poluentes Ocupacionais do Ar/efeitos adversos , Espermatozoides/efeitos dos fármacos , Emissões de Veículos/toxicidade , Adulto , Estudos de Casos e Controles , Humanos , Masculino , Análise do Sêmen
19.
Acta Diabetol ; 44(1): 1-5, 2007 Mar.
Artigo em Inglês | MEDLINE | ID: mdl-17357878

RESUMO

Type 1 diabetes mellitus (DM) is a result of inflammation and destruction of alpha-cells in the pancreatic islet cells. The aim of this study is to evaluate the associations of diabetes with soluble L-selectin (sL-selectin) and tumour necrosis factor-alpha (TNF-alpha) in children with type 1 DM; and also to evaluate the associations of these parameters with the disease period, glycaemic control state and puberty stage. Serum sL-selectin and TNF-alpha levels were measured in 44 children with type 1 DM and 44 healthy children. Neither the patients nor the control group showed significant difference between the levels of sL-selectin and TNF-alpha (sequence mean 12.17+/-1.62 ng/ml vs. 12.62+/-1.56 ng/ml and 7.27+/-3.1 pg/ml vs. 7.88+/-2.7 pg/ml). There was no statistically significant difference between children with duration of diabetes longer than 5 years and children with duration of diabetes shorter than 1 year. There was also no statistically significant difference between poor glycaemic control and good-acceptable glycaemic control patients. The present results indicate that sL-selectin and TNF-alpha serum levels are not increased and cannot be used as prognostic predictors in type 1 DM; and also sL-selectin and TNF-alpha do not change with the disease period, glycaemic control state and puberty stage.


Assuntos
Diabetes Mellitus Tipo 1/sangue , Selectina L/sangue , Fator de Necrose Tumoral alfa/sangue , Adolescente , Glicemia/análise , Estudos de Casos e Controles , Criança , Pré-Escolar , Diabetes Mellitus Tipo 1/diagnóstico , Feminino , Humanos , Masculino , Prognóstico , Fatores de Tempo
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