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1.
Afr J Paediatr Surg ; 20(2): 102-105, 2023.
Artigo em Inglês | MEDLINE | ID: mdl-36960503

RESUMO

Context: Hypospadias is a common urological anomaly which could be surgically corrected with good cosmetic results. Aims: We aimed to detect changes in urinary flow parameters both before and after tubularised incised plate urethroplasty (TIPU) using uroflowmetry. Settings and Design: Data collected were clinically implemented hypothesising the probability of urethrocutaneous fistula following stricture with Qmax variation. Materials and Methods: This study is a prospective analysis done from December 2017 to October 2019. A total of 104 cases of anterior hypospadias were included in the study. A single surgical unit did TIPU. Pre-operative and post-operative uroflowmetry was done, and Qmax was recorded at 3 months, 6 months and 1 year after surgery. Mean Qmax was calculated for all intervals. A significant decrease in Qmax of a child (<2 standard deviation) was ascertained. Urethral calibration was done in those cases with a significant decrease of Qmax and analysed statistically. Results: The mean age was 6.97 ± 2.41 years. Out of 104 children, 73 (70.2%) and 31 (29.8%) had distal and mid-shaft hypospadias, respectively. The pre-operative mean Qmax of the population was 6.20 ± 0.42 ml/s. Arithmetic mean Qmax at 3 months, 6 months and 1 year was 8.53 ± 0.42, 11.18 ± 0.47 and 13.71 ± 0.44 ml/s, respectively. On comparing the pre-operative with post-operative mean Qmax, a significant increase was found postoperatively (P < 0.0001). Twenty-four patients had significantly decreased Qmax value after 6 months. In these patients, follow-up urethral dilation was done with significant improvement. Conclusion: The changes in maximum flow rate (Qmax) are suitable for use in routine follow-up. A significant decrease in Qmax over time indicates the onset of urethral stricture. These cases are to be intervened before venturing to redo urethroplasty.


Assuntos
Hipospadia , Procedimentos de Cirurgia Plástica , Criança , Masculino , Humanos , Lactente , Pré-Escolar , Hipospadia/cirurgia , Seguimentos , Procedimentos Cirúrgicos Urológicos Masculinos/métodos , Uretra/cirurgia , Resultado do Tratamento
2.
Neth Heart J ; 31(2): 52-60, 2023 Feb.
Artigo em Inglês | MEDLINE | ID: mdl-35976610

RESUMO

BACKGROUND: Coronary computed tomography angiography (CCTA) is widely used in the diagnostic work-up of patients with stable chest pain. CCTA has an excellent negative predictive value, but a moderate positive predictive value for detecting coronary stenosis. Computed tomography-derived fractional flow reserve (FFRct) is a non-invasive, well-validated technique that provides functional assessment of coronary stenosis, improving the positive predictive value of CCTA. However, to determine the value of FFRct in routine clinical practice, a pragmatic randomised, controlled trial (RCT) is required. We will conduct an RCT to investigate the impact of adding FFRct analysis in the diagnostic pathway of patients with a coronary stenosis on CCTA on the rate of unnecessary invasive coronary angiography, cost-effectiveness, quality of life and clinical outcome. METHODS: The FUSION trial is a prospective, multicentre RCT that will randomise 528 patients with stable chest pain and anatomical stenosis of ≥ 50% but < 90% in at least one coronary artery of ≥ 2 mm on CCTA, to FFRct-guided care or usual care in a 1:1 ratio. Follow-up will be 1 year. The primary endpoint is the rate of unnecessary invasive coronary angiography within 90 days. CONCLUSION: The FUSION trial will evaluate the use of FFRct in stable chest pain patients from the Dutch perspective. The trial is funded by the Dutch National Health Care Institute as part of the research programme 'Potentially Promising Care' and the results will be used to assess if FFRct reimbursement should be included in the standard health care package.

3.
Indian Pediatr ; 58(8): 753-755, 2021 08 15.
Artigo em Inglês | MEDLINE | ID: mdl-34465658

RESUMO

OBJECTIVES: To assess the adverse effects of propranolol therapy in infantile hemangioma. METHODS: An ambispective study was conducted from August 2011 to December 2019. In retrospective arm all children managed for infantile hemangioma with propranolol were included and case records were assessed for adverse reactions. In prospective arm the adverse reactions were identified on the basis of predefined criteria. RESULTS: A total of 514 patients (358 retrospective records) were included. A majority, 378 (73.5%) patients had an excellent response, 75 (14.5%) had partial response and 61 (11.8 %) had no response. A total of 82 (15.9%) patients experienced at least one adverse effect. Diarrhea with weight loss (27, 32.9%) and irritability with decreased sleep (21, 25.6%) were the most common adverse effects. The adverse effects in 22 (4.2%) cases lead to the discontinuation of propranolol. Younger age, low body weight and early onset were risk factors for development of severe adverse reactions. CONCLUSIONS: Young children with low body weight were at higher risk for adverse effects of propranolol.


Assuntos
Efeitos Colaterais e Reações Adversas Relacionados a Medicamentos , Hemangioma , Neoplasias Cutâneas , Administração Oral , Antagonistas Adrenérgicos beta/efeitos adversos , Criança , Pré-Escolar , Hemangioma/tratamento farmacológico , Humanos , Lactente , Propranolol/efeitos adversos , Estudos Prospectivos , Estudos Retrospectivos , Neoplasias Cutâneas/tratamento farmacológico , Resultado do Tratamento
4.
Int J Oral Maxillofac Surg ; 50(5): 619-626, 2021 May.
Artigo em Inglês | MEDLINE | ID: mdl-33059994

RESUMO

Intralesional sclerotherapy for lymphatic malformations (LMs) has become a modality of choice because of the high morbidity and recurrence rates with surgical excision. Traditionally, the macrocystic variant has shown good results with sclerotherapy. This prospective study was performed to evaluate the role of bleomycin sclerotherapy in the management of different radiological variants of LM. A total of 142 patients were included in this study. The lesions were classified as macrocystic, microcystic, or mixed LMs on the basis of ultrasonography. All patients were managed by intralesional injection of bleomycin and were recalled after 4 weeks for evaluation. Colour photographs of the patients were taken before the onset of treatment and at each monthly visit, and were utilized to assess the response. Following the second, third, and fourth doses, the response was better in patients with the macrocystic variant than in those with the other two variants. However, after the completion of six doses, 80.3% of patients with the macrocystic variant, 67.4% with the microcystic variant, and 71.4% with the mixed type had a complete response. There was no difference in the overall response between the three types (P=0.28). Oedema, erythema, and local induration with fever were the most common adverse effects and were more common in younger children.


Assuntos
Linfangioma , Escleroterapia , Bleomicina , Criança , Humanos , Lactente , Linfangioma/tratamento farmacológico , Linfangioma/terapia , Pescoço , Recidiva Local de Neoplasia , Estudos Prospectivos , Soluções Esclerosantes/uso terapêutico , Resultado do Tratamento
5.
Eur J Mass Spectrom (Chichester) ; 26(3): 195-203, 2020 Jun.
Artigo em Inglês | MEDLINE | ID: mdl-31810379

RESUMO

Partial and total ionization cross sections of hydrogen fluoride molecule are determined from the ionization threshold to high energy (5 KeV) by using a modified Jain-Khare semiempirical approach. Partial single and double differential cross sections with their sums (total) through direct and dissociative ionization have been also evaluated at fixed primary electron energies 100 eV, 200 eV, and 500 eV. There is no other data for partial ionization cross sections and differential ionization cross sections for comparison. In this paper, the total ionization cross sections data have compared with available experimental data and/or with other theoretical data which are available from intermediate to high energy. It is found that the present result gives a better account for the ionization cross sections up to higher energies.

6.
Br J Oral Maxillofac Surg ; 57(10): 1137-1142, 2019 12.
Artigo em Inglês | MEDLINE | ID: mdl-31727434

RESUMO

Lymphangioma of the tongue is a rare lymphatic malformation, and various authors have reported the successful use of sirolimus for its treatment. However, the safety of sirolimus in children needs further evaluation so that those who do not respond are not necessarily exposed to its potential adverse effects. We hypothesised that assessment of lymphangiogenesis can be used to predict whether the patient will respond to sirolimus, so we organised a prospective study after ethics committee approval had been given. After clinical and histological diagnoses of lymphangioma of the tongue had been confirmed, 16 patients were given sirolimus 0.8mg/day in three divided doses. Clinical response was assessed and compared with lymphatic microvessel density (LMVD), which was calculated immunohistochemically using the monoclonal antibody D2-40 as the lymphatic endothelial marker. Nine patients responded well, five partially, and two failed to respond. Mean (SD) LVD among the good responders was 21.00 (3.74), whereas among non-responders it was 8.00 (4.24). There was a significant difference in mean LVD between good responders, partial responders, and non-responders (p=0.04). Sirolimus is effective in treating children with lymphangioma of the tongue, and lymphangiogenesis is a useful therapeutic predictive marker.


Assuntos
Linfangioma , Humanos , Linfangiogênese , Vasos Linfáticos , Projetos Piloto , Prognóstico , Estudos Prospectivos
7.
Neth Heart J ; 27(7-8): 362-370, 2019 Jul.
Artigo em Inglês | MEDLINE | ID: mdl-30977039

RESUMO

BACKGROUND: The purpose of this study is to investigate the prevalence of a history of malignancy in patients with chest pain who were referred for computed tomography angiography as well as the long-term survival and cardiovascular outcomes, including coronary artery disease (CAD) and coronary artery calcium (CAC) percentiles of cancer survivors. These data are relevant since it is unknown how cancer survivors, who underwent cardio-toxic therapies, should be monitored. METHODS: We analysed all patients with chest pain, who came to the outpatient clinic and underwent computed tomography angiography. The primary study endpoint was long-term survival. The secondary endpoints included CAD on computed tomography angiogram (CTA), CAC percentiles, suspected and confirmed malignancy on CTA, and other accidental findings on CTA. RESULTS: Of all 1,892 patients included in the analyses, 133 (7%) had a history of malignancy and 1,759 (93%) did not. Mortality rates were higher for the cancer survivors (6.5% vs 20.9% after ten years, p < 0.001). The multivariable Cox regression model also showed higher mortality for cancer survivors after ten years (adjusted hazard ratio 2.48 [95% confidence interval: 1.58-3.90]). CAD did not differ between both groups. CAC percentiles were higher in cancer survivors (p = 0.037). Cancer survivors had more suspected malignancies (3.8% vs 0.5%; p = 0.001) and also more confirmed malignancies on CTA (3.0% vs 0.1%; p < 0.001). CONCLUSIONS: Cancer survivors have higher mortality rates, no difference in CAD on CTA, higher CAC percentiles and more often malignancy on CTA compared with patients without a cancer history.

8.
Int J Oral Maxillofac Surg ; 47(7): 908-912, 2018 Jul.
Artigo em Inglês | MEDLINE | ID: mdl-29665992

RESUMO

With the emergence of propranolol as the first choice of treatment for problematic infantile haemangioma at many centres, the number of patients with a partial or non-response to propranolol has also been growing. This study investigated the role of intralesional bleomycin and triamcinolone in patients with residual disease following propranolol therapy for infantile haemangioma. Sixty-seven patients with residual haemangioma were assigned randomly to receive either intralesional bleomycin (group A, n=36) or intralesional triamcinolone (group B, n=31). The response to treatment and adverse effects were assessed in both groups. All patients received at least four doses and a maximum of six doses of the assigned drug. In group A (mean follow-up 9.38months), 47.2% had an excellent response and 44.4% a good response. In group B (mean follow-up 7.42months), 25.8% had an excellent response and 48.4% a good response. There was no difference in overall response between the groups (P=0.074). Among patients who were initially non-responders to propranolol, bleomycin showed a better response than triamcinolone (P=0.037). This may be due to an overlap in the mechanism of action of propranolol and triamcinolone. Thus, intralesional bleomycin should be preferred in patients with no initial response to propranolol therapy, while bleomycin or triamcinolone can be used in patients with a partial response to propranolol therapy, as they have equal efficacy.


Assuntos
Antibióticos Antineoplásicos/administração & dosagem , Bleomicina/administração & dosagem , Glucocorticoides/administração & dosagem , Hemangioma/tratamento farmacológico , Propranolol/administração & dosagem , Triancinolona/administração & dosagem , Vasodilatadores/administração & dosagem , Pré-Escolar , Feminino , Humanos , Injeções Intralesionais , Masculino , Resultado do Tratamento
9.
J Anaesthesiol Clin Pharmacol ; 34(1): 58-61, 2018.
Artigo em Inglês | MEDLINE | ID: mdl-29643624

RESUMO

BACKGROUND AND AIMS: Proseal laryngeal mask airway (LMA) and laryngeal tube suction (LTS) are both supraglottic devices with an esophageal suction port. In the present prospective, randomized study, the effectiveness of airway seal, hemodynamic variables, ability to pass orogastric tube, and postoperative complications with the two devices were evaluated. MATERIAL AND METHODS: This was a prospective, randomized, single-blind study conducted in a hospital-based setting. Sixty patients (American Society of Anesthesiologists Grade I and II) undergoing elective general surgery were randomly allocated to Group A (Proseal LMA) or Group B (LTS), and airway seal pressure (primary outcome), peak pressure, hemodynamic parameters (blood pressure, pulse rate and pulse oximetry) during and 5 min after insertion, insertion time, ease of insertion, and postoperative complications (sore throat and hoarseness of voice for a period of 24 hours) (secondary outcomes) were noted. The quantitative data was summarized as mean and standard deviation, and analyzed using Student's t-test. All the qualitative data were summarized as proportions and analyzed using Chi-square test. The levels of significance and α-error were kept 95% and 5%, respectively, for all statistical analyses. P ≤ 0.05 was considered significant (S). RESULTS: Proseal LMA had shorter insertion time (16.4 ± 5.6 vs. 20.0 ± 3.9 s), higher seal pressure (27.6 ± 4.6 vs. 24.1 ± 5.6 cm of H2O), lesser peak pressure (16.3 ± 2.3 vs. 18.5 ± 3.9 cm of H2O), higher success rate of orogastric tube passage (86.7 vs. 76.7%), and lesser postoperative sore throat (3.3 vs. 10%). CONCLUSIONS: Both Proseal LMA and LTS were acceptable alternatives for airway management in elective surgeries with controlled ventilation, but the quality of ventilation was found to be significantly better with Proseal LMA (in terms of higher seal pressure, lesser peak pressure, lesser insertion time, and lesser complications).

10.
J Pediatr Surg ; 51(3): 430-4, 2016 Mar.
Artigo em Inglês | MEDLINE | ID: mdl-26607970

RESUMO

INTRODUCTION: We aimed to compare and contrast these main surgical procedures for ARM in terms of structural outcome through pelvic MRI & functional outcome through Kelly's scoring. MATERIAL AND METHOD: A prospective study was conducted from August 2011 to July 2013 including all the cases of ARM managed in single stage (operated by one surgeon, first author) since 1995 that came for follow up at age of 3 years or more. Patients were divided in three groups: Group 8.A, PSARP (60 patients); Group B, Abdomino-PSARP (40 patients); and Group C, APPT (40 patients). The functional assessment of anal continence was carried out at the age of 3years or more using Kelly's method. Structural assessment was done by 1.5-T Magnetic Resonance Imaging (MRI). RESULTS: In 24 patients with rectobulbar fistula, 71.5% of Group A patients had good continence. In 50 patients with rectoprostatic fistula, 73.7% of Group A, 70% of group B and only 36% of Group C had good outcomes. Better development of each muscle was associated with better outcomes in terms of anal continence (P=0.001). CONCLUSION: There is better outcome with PSARP and Abdomino-PSARP in patients with rectobulbar and rectoprostatic fistula. MRI is a valuable modality for postoperative structural analysis of patients with ARM and is also useful for predicting the long term functional outcome of these cases.


Assuntos
Canal Anal/anormalidades , Canal Anal/cirurgia , Anus Imperfurado/cirurgia , Incontinência Fecal/diagnóstico , Imageamento por Ressonância Magnética , Procedimentos de Cirurgia Plástica/métodos , Complicações Pós-Operatórias/diagnóstico , Reto/anormalidades , Reto/cirurgia , Malformações Anorretais , Anus Imperfurado/complicações , Criança , Pré-Escolar , Incontinência Fecal/etiologia , Feminino , Seguimentos , Humanos , Masculino , Estudos Prospectivos , Índice de Gravidade de Doença , Resultado do Tratamento
11.
Indian J Physiol Pharmacol ; 60(1): 22-9, 2016.
Artigo em Inglês | MEDLINE | ID: mdl-29953180

RESUMO

Background: The hypomotility of colon observed in Hirschsprung's disease (HD) has been attributed to congenital aganglionosis only. So far, it is not clear whether the contractility of colonic smooth muscle in this condition is altered or not. Therefore, the present study attempted to understand the contractile status of colonic segments of HD patients by examining carbachol and endothelin (ET-1) evoked colonic smooth muscle contractions in vitro . Methods: Contractile responses were recorded from strips of colonic segments obtained from HD patients, using organ bath preparations. Cholinergic agonist carbachol and ET-1 along with their antagonists were used to evoke contractile responses. Thereafter, the samples were histopathologically confirmed for HD. Results: Colonic strips of HD did not show any spontaneous contractions but responded to carbachol and ET-1 to a lesser extent. In HD, response of carbachol was blocked by atropine and hexamethonium by nearly 73% and 50% respectively. ET-1 induced contractile responses were blocked by ET-A and ET-B antagonist up to 40%, signifying the possible role of ET-A and ET-B receptors in HD colon contractility. Conclusion: As evidenced by lack of spontaneous contractions and impaired carbachol and ET-1-induced contractile responses, it is concluded that, in addition to aganglionosis, decreased contractility of colonic smooth muscle may contribute to hypomotility observed in patients with HD.


Assuntos
Carbacol/farmacologia , Colo/efeitos dos fármacos , Endotelinas/farmacologia , Doença de Hirschsprung/fisiopatologia , Contração Muscular/efeitos dos fármacos , Músculo Liso/efeitos dos fármacos , Atropina/administração & dosagem , Atropina/farmacologia , Carbacol/antagonistas & inibidores , Colo/fisiologia , Endotelinas/antagonistas & inibidores , Hexametônio/administração & dosagem , Hexametônio/farmacologia , Doença de Hirschsprung/metabolismo , Doença de Hirschsprung/patologia , Humanos , Músculo Liso/fisiologia
12.
J Pediatr Urol ; 10(6): 1212-5, 2014 Dec.
Artigo em Inglês | MEDLINE | ID: mdl-25070937

RESUMO

OBJECTIVE: To estimate serum pro-renin, and its clinical significance, as a marker of chronic renal disease in posterior urethral valve (PUV) patients. PATIENTS AND METHODS: Forty patients with a PUV that were admitted to the hospital between 2010 and 2012 were reviewed. Twenty age-matched patients who were admitted for other non-urological diseases were selected for control. Clinical parameters, serum creatinine, urea, eGFR (estimated glomerular filtration rate) and serum pro-renin were analysed before and after valve ablation. RESULTS: Forty patients with PUV were included in the study. Three groups were formed according to age: <1 year, 1-3 years, >3 years. Pro-renin was measured using an ELISA (enzyme linked immunosorbent assay) kit and 'Graph Pad Prism' Software. The Spearman's rho test was used for correlation. Serum pro-renin had a negative correlation with the age group (correlation coefficient -0.395, P-value 0.012), eGFR (correlation coefficient -0.850, P-value<0.001) and follow-up eGFR (correlation coefficient -0.471, P-value 0.002). The pro-renin level correlated positively with serum creatinine at presentation (correlation coefficient 0.671, P-value<0.001), blood urea at initial presentation (correlation coefficient 0.684, P-value<0.001), serum creatinine at follow-up (correlation coefficient 0.546, P-value<0.001) and blood urea at follow-up (correlation 0.603, P-value<0.001). CONCLUSION: Pro-renin measured before PUV repair is associated with renal function three months after surgery.


Assuntos
Precursores Enzimáticos/sangue , Rim/fisiopatologia , Renina/sangue , Uretra/anormalidades , Biomarcadores/sangue , Criança , Pré-Escolar , Creatinina/sangue , Feminino , Taxa de Filtração Glomerular , Humanos , Lactente , Masculino , Prognóstico , Estudos Prospectivos
13.
J Wound Care ; 23(5): 270-3, 2014 May.
Artigo em Inglês | MEDLINE | ID: mdl-24810311

RESUMO

OBJECTIVE: Conventional therapy for neonatal necrotising fasciitis (NF) involves resuscitation and aggressive surgical debridement of necrotic tissue. This approach adds surgical stress in septicaemic neonates with low reserves. The present study reports a more conservative approach to the management of neonatal NF. METHOD: A prospective study was conducted between July 2010 and June 2013 and included 11 cases of neonatal NF. Demographic characteristics of patients were noted. No debridement was performed. Dressings were applied after cleaning with normal saline every 24 hours. The necrotic slough was allowed to separate spontaneously. A record was made of type and duration of supportive modalities and complications. The primary outcome was recorded as final recovery, need of surgical intervention or need of grafting. RESULTS: Out of 11 neonates, 6 were males and 5 were females. Age ranged from 13 to 24 days (mean age 18.45±3.24 days), and weight varied from 1.8 to 2.6 kg (mean weight 2.12±0.24kg) at presentation. Duration of illness before admission to hospital ranged from 3 to 9 days (mean 4.84±2.13 days). The most common site of the initial involvement was the neck and upper thoracic region (n=4), scalp (n=3), lower back (n=2), face (n=1) and extremities (n=1). In all cases, the wound was cleaned with normal saline, dressed, necrotic slough was allowed to separate spontaneously and granulation tissue was allowed to develop; this took approximately 14 to 28 days (mean 20.45±5.78 days). CONCLUSION: As opposed to the conventional approach of aggressive debridement in neonatal NF, these cases can be managed conservatively without increase in morbidity or mortality. This approach also minimises the surgical risk and requirement of blood transfusion. Antifungal drugs have a definitive role in management of these immunologically deficient babies.


Assuntos
Fasciite Necrosante/terapia , Higiene da Pele/métodos , Bandagens , Fasciite Necrosante/microbiologia , Fasciite Necrosante/mortalidade , Feminino , Humanos , Recém-Nascido , Masculino , Estudos Prospectivos , Resultado do Tratamento
14.
Pediatr Surg Int ; 30(4): 407-11, 2014 Apr.
Artigo em Inglês | MEDLINE | ID: mdl-24509569

RESUMO

PURPOSE: The aim of the study was to evaluate topical povidone-iodine and topical powdered antibiotic combination (Polymyxin, Bacitracin and Neomycin) in initial non-operative management with delayed closure of the defect of giant omphaloceles. METHODS: A prospective study was conducted between July 2010 and June 2013 including all neonates with giant omphalocele without signs of intestinal obstruction. All cases were managed by daily application of povidone-iodine (5% solution) followed by spraying topical powdered antibiotic combination to promote eschar formation and eventual epithelialisation. Record was made of sex, associated anomalies, length of stay, and thyroid function tests. RESULTS: Twenty-four neonates with giant omphaloceles were treated with topical povidone-iodine and topical powdered antibiotic combination. No sac ruptures were observed in our series. All patients had a normal thyroid function test at presentation and after 10 days of initiation of treatment. Six patients have undergone delayed repair. CONCLUSION: Topical povidone-iodine and powdered antibiotic combination promotes more rapid escharification and epithelialisation of the omphalocele than povidone-iodine alone. We also hypothesise that combination minimises the chances of hypothyroidism associated with use of povidone-iodine alone.


Assuntos
Antibacterianos/administração & dosagem , Hérnia Umbilical/terapia , Povidona-Iodo/administração & dosagem , Administração Tópica , Anti-Infecciosos Locais/administração & dosagem , Quimioterapia Combinada , Feminino , Hérnia Umbilical/patologia , Humanos , Recém-Nascido , Masculino , Pós , Estudos Prospectivos , Centros de Atenção Terciária
15.
J Cutan Aesthet Surg ; 5(2): 133-6, 2012 Apr.
Artigo em Inglês | MEDLINE | ID: mdl-23060708

RESUMO

INTRODUCTION: Lymphangiomas are benign hamartomatous lymphatic tumors. The mainstay of the therapy is surgical excision, but due to its infiltration along the nerves and muscles, total excision is not always possible. In the present study, we have evaluated the clinical profile of all the cases of lymphagiomas coming to our department and evaluated the efficacy of intralesional Bleomycin as a sclerosing agent in its management. MATERIALS AND METHODS: In this prospective study, all patients were evaluated clinically and color Doppler ultrasonography (USG). The required dose was calculated as 0.5 mg/kg body weight, not exceeding 10 units at a time. The response was assessed clinically and on the basis of color Doppler USG. RESULTS: Thirty-five patients of lymphangioma were included in the study. The neck region was the most common site of involvement. The response was excellent in 7 (20%), good in 26 (74.29%), and poor in 2 (5.71%) patients. The complications included fever, transient increase in size of swelling, local infection, intraluminal bleed, and skin discoloration in 10 patients. CONCLUSION: This therapy may be used as primary modality instead of surgery in selected group of patients.

16.
ISA Trans ; 51(6): 752-62, 2012 Nov.
Artigo em Inglês | MEDLINE | ID: mdl-22795801

RESUMO

The purpose of this paper is to present a novel technique for analyzing the behavior of an industrial system stochastically by utilizing vague, imprecise, and uncertain data. In the present study two important tools namely Lambda-Tau methodology and particle swarm optimization are combinedly used to present a novel technique named as particle swarm optimization based Lambda-Tau (PSOBLT) for analyzing the behavior of a complex repairable system stochastically up to a desired degree of accuracy. Expressions of reliability indices like failure rate, repair time, mean time between failures (MTBF), expected number of failures (ENOF), reliability and availability for the system are obtained by using Lambda-Tau methodology and particle swarm optimization is used to construct their membership function. The interaction among the working units of the system is modeled with the help of Petri nets. The feeding unit of a paper mill situated in a northern part of India, producing approximately 200ton of paper per day, has been considered to demonstrate the proposed approach. Sensitivity analysis of system's behavior has also been done. The behavior analysis results computed by PSOBLT technique have a reduced region of prediction in comparison of existing technique region, i.e. uncertainties involved in the analysis are reduced. Thus, it may be a more useful analysis tool to assess the current system conditions and involved uncertainties.


Assuntos
Algoritmos , Falha de Equipamento , Retroalimentação , Indústrias/métodos , Modelos Estatísticos , Processos Estocásticos , Simulação por Computador
17.
Artigo em Inglês | MEDLINE | ID: mdl-22446770

RESUMO

Methyldopa is a much used antihypertensive drug. It is the subject matter of study mostly for the determination and estimation of methyldopa in pharmaceutical properties. These considerations led us to study the charge-transfer interactions between methyldopa, a centrally acting antihypertensive agent of limited use with the known acceptors like o-chloranil (o-ClN), chloranilic acid (ClA) and dichlorodicyanobenzoquinone (DDQ). Methyldopa (MDP) formed beautifully colored complexes (having absorption maxima at 581 nm and 368 nm; 519 nm; 583.5 nm, 547 nm and 346 nm, respectively) with the acceptors mentioned before. The physico-chemical properties of the complexes were studied using UV-visible spectrophotometry and FTIR measurements. The composition, the accurate association constants and thermodynamics of the complexes were determined spectrophotometrically. Attempts were made to interpret the thermodynamics of complexes in terms of I(D)(V), E(A)(V) and hν(CT). Solid CT complexes between MDP+o-ClN, MDP+ClA and MDP+DDQ were prepared and FTIR spectra of the complexes were studied. The energies hν(CT) of the charge-transfer complexes and vertical ionization potential I(D)(V) of methyldopa were compared with the theoretical values of hν(CT) obtained from HOMO and LUMO of the donors and acceptors calculated using Density Function Theory utilizing different basis sets. The agreement between the results can be regarded to be reasonable. Oscillator strengths and dipole strengths of the complexes were determined theoretically and experimentally and the limitations of the calculations were outlined.


Assuntos
Anti-Hipertensivos/química , Metildopa/química , Acetonitrilas , Benzoquinonas/química , Cloranila/análogos & derivados , Cloranila/química , Espectrofotometria , Espectrofotometria Ultravioleta , Espectroscopia de Infravermelho com Transformada de Fourier , Termodinâmica
18.
Pediatr Surg Int ; 27(12): 1355-6, 2011 Dec.
Artigo em Inglês | MEDLINE | ID: mdl-21499881

RESUMO

Omphalocele is a congenital midline abdominal wall defect that results in herniation of intraabdominal contents covered by a lining of peritoneum and amnion. The severity of the defect often ranges from a minor herniation of the umbilical cord to a significant protrusion that includes large proportions of intestine and liver. We report unusual content of omphalocele that is congenital mature cystic teratoma of falciform ligament of liver which was confirmed by histopathology. This is a very uncommon entity and not described in world literature.


Assuntos
Hérnia Umbilical/complicações , Ligamentos , Neoplasias Hepáticas/complicações , Fígado , Teratoma/complicações , Diagnóstico Diferencial , Hérnia Umbilical/diagnóstico , Humanos , Recém-Nascido , Neoplasias Hepáticas/diagnóstico , Masculino , Teratoma/congênito , Teratoma/diagnóstico
19.
J Pediatr Neurosci ; 5(2): 135-7, 2010 Jul.
Artigo em Inglês | MEDLINE | ID: mdl-21559161

RESUMO

Split notochord syndrome (SNS) is an extremely rare congenital malformation associated with anomalies of the vertebral column, gastrointestinal tract and central nervous system. Twenty cases of SNS associated with dorsal enteric fistula have been reported in literature till date. The present report describes a unique case of SNS associated with lumbosacral meningomyelocele, dorsal neuroenteric fistula and dorsal herniation of right kidney along with vessels. The neonate was well managed by excision of enteric fistula, closure of duramater of meningomyelocele and repair of posterior wall hernia after placement of kidney in renal fossa. This kind of entity is uncommon and not been reported earlier.

20.
Pediatr Surg Int ; 26(2): 213-7, 2010 Feb.
Artigo em Inglês | MEDLINE | ID: mdl-19911183

RESUMO

BACKGROUND: Bilious vomiting, in conjunction with abdominal pain is considered to be a surgical problem, unless proved otherwise. In children, besides tuberculosis (TB), we have found jejunal stricture (JS) due to non-specific jejunoileitis (NSJI) to be an important cause of chronic high small bowel obstruction and bilious vomiting. MATERIALS AND METHODS: In this retrospective study, the records of all children with complaint of intermittent bilious vomiting and failure to thrive were evaluated. Investigations included oral contrast study, ultrasound abdomen, chest X-ray and Mantoux test. Final confirmation was made at laparotomy. Treatment included jejuno-jejunal resection and anastomosis. Histopathology of the specimen was done to look for caseation, granuloma formation and other details. RESULTS: Out of total 100 patients with the complaint of bilious vomiting, 25 were having JS. Radiologic confirmation was possible in 19 (76%) patients of JS. No patient had evidence of TB as per our protocol. Histopathology revealed non-specific ischemic changes in all specimens. CONCLUSION: Jejunal stricture due to NSJI is a common entity in our setup leading to bilious vomiting. Contrast study can provide high index of suspicion in most of the patients. The diagnosis must be confirmed after proper histopathological examination. The results of the surgery are excellent.


Assuntos
Países em Desenvolvimento , Doenças do Íleo/complicações , Obstrução Intestinal/complicações , Volvo Intestinal/diagnóstico , Doenças do Jejuno/complicações , Tuberculose Gastrointestinal/diagnóstico , Vômito , Bile , Criança , Pré-Escolar , Doença Crônica , Diagnóstico Diferencial , Diagnóstico por Imagem/métodos , Feminino , Seguimentos , Humanos , Doenças do Íleo/diagnóstico , Doenças do Íleo/epidemiologia , Índia/epidemiologia , Obstrução Intestinal/diagnóstico , Obstrução Intestinal/epidemiologia , Volvo Intestinal/complicações , Volvo Intestinal/epidemiologia , Doenças do Jejuno/diagnóstico , Doenças do Jejuno/epidemiologia , Laparotomia/métodos , Masculino , Morbidade/tendências , Estudos Retrospectivos , Resultado do Tratamento , Tuberculose Gastrointestinal/complicações , Tuberculose Gastrointestinal/epidemiologia , Vômito/diagnóstico , Vômito/epidemiologia , Vômito/etiologia
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