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1.
Trop Anim Health Prod ; 56(2): 64, 2024 Jan 31.
Artigo em Inglês | MEDLINE | ID: mdl-38296882

RESUMO

The objective of this study was to analyze the diverse morphological attributes of Kotdhar goat native to Shivalik hill region of Himachal Pradesh. A total number of 180 goats, comprising 150 females and 30 males aged between 1 and 3 years, were randomly selected to estimate15 distinct morphological traits and ten body indices. Mean values of 17.66 cm, 11.68 cm, 8.73 cm, 71.94 cm, 69.83 cm, 74.48 cm, 38.10 cm, 73.38 cm, 20.55 cm, 16.48 cm, 14.89 cm, 13.57 cm, 19.20 cm, 7.71 cm and 26.12 kg were estimated for head length, head width, face length, body length, wither height, heart girth, chest depth, rump height, rump length, rump width, haunch width, bicoastal width, shoulder width, cannon bone and body weight respectively. In addition, morphological indices viz. body index, length index, body ratio, thoracic development, pelvic index, longitudinal pelvic index, transverse pelvic index, proportionality index, dactyl thorax index and relative depth of thorax were estimated from morphological traits. Results of morphological indices indicated that Kotdhar goat are medium bodied, longilinear, tall animals and well-suited for meat production. Phenotypic correlation among most of traits was positive and significant. Among all correlations, correlation between head length and head width was found lowest (- 0.270), while the correlation between heart girth and chest depth was observed highest (0.861). Canonical discriminant function analysis showed that there was no considerable level of intermixing for morphological traits in Kotdhar goat. Employing principal component analysis with varimax rotation, three principal components were observed, accounting for 68.47% of the total variation. First principal component (PC1) encapsulated the highest proportion of variance (44.39), revealing the high loadings on head length (0.777), body length (0.747), wither height (0.782), heart girth (0.785), chest depth (0.706), rump height (0.762), haunch width (0.734) and bicoastal width (0.793). Hence, it is possible to utilize these eight variables out of the 15 morphological traits for the characterization of the Kotdhar goat.


Assuntos
Cabras , Masculino , Feminino , Animais , Peso Corporal , Fenótipo , Análise Discriminante , Análise de Componente Principal
2.
AJR Am J Roentgenol ; 220(6): 850-851, 2023 06.
Artigo em Inglês | MEDLINE | ID: mdl-36350117

RESUMO

Perineural invasion (PNI) indicates a worse prognosis for patients with gallbladder cancer (GBC). This preliminary retrospective study included 19 patients with GBC who under-went contrast-enhanced CT in the 4 weeks before undergoing surgical resection. GBC showed PNI on pathologic assessment in eight of 19 patients. On CT, wall thickening morphology had sensitivity of 75.0% and specificity of 81.8% for PNI; soft-tissue stranding around the celiac plexus had sensitivity of 62.5% and specificity of 100.0% for PNI.


Assuntos
Neoplasias da Vesícula Biliar , Humanos , Estudos Retrospectivos , Neoplasias da Vesícula Biliar/diagnóstico por imagem , Neoplasias da Vesícula Biliar/cirurgia , Neoplasias da Vesícula Biliar/patologia , Prognóstico , Tomografia Computadorizada por Raios X , Invasividade Neoplásica/patologia
3.
HPB (Oxford) ; 23(7): 1030-1038, 2021 07.
Artigo em Inglês | MEDLINE | ID: mdl-33234445

RESUMO

BACKGROUND: Percutaneous catheter drainage (PCD) is an effective way of drainage in acute pancreatitis (AP) and its role in persistent organ failure (OF) has not been studied. This study assessed the outcome of severe AP managed with PCD. METHODS: We retrospectively analysed outcome of AP patients undergoing PCD for persistent OF with respect to success of PCD, etiology, severity scores, OF, imaging features and PCD parameters. Success of PCD was defined as resolution of with PCD and survived without surgical necrosectomy. RESULTS: Between January 2016 and May 2018, 83 patients underwent PCD for persistent OF at a mean duration of 25.59 ± 21.2 days from pain onset with successful outcome in 47 (56.6%) patients. Among PCD failures, eleven (13.25%) patients underwent surgery. Overall mortality was 31 (37.3%). On multivariate analysis, pancreatic necrosis <50% and absence of extrapancreatic infection (EPI) predicted the success of PCD. Presence of infected necrosis did not affect the outcome of PCD in organ failure. CONCLUSION: PCD improves the outcome in patients with OF even when done early irrespective of the status of infection of necrosis. Therefore, PCD may be considered early in the course of patients with OF.


Assuntos
Pancreatite Necrosante Aguda , Doença Aguda , Drenagem , Humanos , Pancreatite Necrosante Aguda/diagnóstico por imagem , Pancreatite Necrosante Aguda/cirurgia , Estudos Retrospectivos , Resultado do Tratamento
4.
Pancreatology ; 19(7): 929-934, 2019 Oct.
Artigo em Inglês | MEDLINE | ID: mdl-31521496

RESUMO

AIMS: There is no study comparing large volume lavage through image guided percutaneously placed drains in severe acute pancreatitis. METHODS: Of the 114 randomized patients, 60 eligible candidates were randomly allocated to - Lavage Treatment (LT) group (28 patients) and Dependent Drainage (DD) group (32 patients). Primary end point was reversal of pre-existing organ failure, development of new onset organ failure, need for surgery, mortality and hospital stay. RESULTS: Both the groups were comparable in terms of demographic data, onset and severity of pancreatitis. LT group had higher infected pancreatic necrosis (75% vs 50%,p = 0.047). On intention to treat analysis, lavage treatment group showed a significant reversal of persistent organ failure (84% vs 50%, p = 0.23), reduction in APACHEII scores (3.5 ±â€¯3.405 vs 1.16 ±â€¯3.811 p = 0.012), as measured at the time of placement of PCD to cessation of intervention. There was no difference in development of new onset organ failure in the two groups (25% vs37.5% p=.290). 75% in LT group and 69% in DD group improved with PCD alone. There was no difference in the catheter related complications and number of catheters used. The need for surgical intervention was comparable in two groups (18.8% vs 14.3% p=.737). There was a trend toward decreased mortality in group A (18.8% vs 28.8% p=.370). CONCLUSION: Large volume lavage trough PCD improves organ failure and this translates into trend towards reduced mortality.


Assuntos
Cateterismo , Pancreatite/terapia , Irrigação Terapêutica/métodos , Adolescente , Adulto , Idoso , Drenagem , Feminino , Humanos , Masculino , Pessoa de Meia-Idade , Adulto Jovem
5.
Pancreatology ; 19(1): 143-148, 2019 Jan.
Artigo em Inglês | MEDLINE | ID: mdl-30366676

RESUMO

BACKGROUND AND OBJECTIVES: Despite improvement in outcomes of acute pancreatitis (AP), some subgroups remain at increased risk. We studied the impact of onset-to-admission interval to a tertiary care centre on outcomes in AP. METHODS: Retrospective analysis of consecutive patients with first episode of AP admitted between 2009 and 2017 on the basis of onset-to-admission interval: ≤7 days, 8-21 days and >21 days was done. Patients were assessed for severity and managed using a step-up approach. Primary outcome measures were surgical necrosectomy and mortality. RESULTS: Of 745 patients (age 39.26 ±â€¯13.18 yrs, 69% male), 380 (51%) had presented ≤7 days, 229 (30.7%) between 8 and 21 days and 136 (18.3%) >21 days after pain onset. Severe pancreatitis was highest in 8-21 days group (129; 56.3%) followed by ≤ 7 days (166; 43.7%) and >21 days of illness (52; 38.2%).Surgical intervention rates were highest in the 8-21 days group(14%) followed by > 21 days (12.5%) and ≤7 days (6.6%) respectively (p = 0.007). Also, mortality was highest in patients with onset to admission interval of 8-21 days (24%) followed by > 21 days (15.4%) and ≤7 days (14.2%) (P = 0.007). On the multivariate analysis, age, late presentation, and the presence of organ failure were found to predict the mortality. CONCLUSION: Patients presenting between 8 and 21 days after onset perform poorly than those presenting earlier or later than them in terms of severity, organ failure, need for surgery and mortality although organ failure remains the most important determinant of outcome. This data can help in devising guidelines for referral of such patients.


Assuntos
Pancreatite/mortalidade , Pancreatite/cirurgia , Doença Aguda , Adulto , Feminino , Hospitalização , Humanos , Tempo de Internação , Masculino , Pessoa de Meia-Idade , Estudos Retrospectivos , Índice de Gravidade de Doença , Centros de Atenção Terciária , Resultado do Tratamento
6.
Radiographics ; 39(1): 62-77, 2019.
Artigo em Inglês | MEDLINE | ID: mdl-30526331

RESUMO

Encapsulating peritoneal sclerosis (EPS) is a rare but serious condition that results in (a) encapsulation of bowel within a thickened fibrocollagenous peritoneal membrane and (b) recurrent episodes of bowel obstruction. Although described by various names in the literature, the preferred term is encapsulating peritoneal sclerosis because it best describes the morphologic and histologic changes in this disorder. The etiology of EPS is multifactorial, with a wide variety of implicated predisposing factors that disrupt the normal physiologic function of the peritoneal membrane-prime among these factors being long-term peritoneal dialysis and bacterial peritoneal infections, especially tuberculosis. The clinical features of EPS are usually nonspecific, and knowledge of the radiologic features is necessary to make a specific diagnosis. The findings on radiographs are usually normal. Images from small-bowel follow-through studies show the bowel loops conglomerated in a concertina-like fashion with a serpentine arrangement in a fixed U-shaped configuration. US demonstrates a "cauliflower" appearance of bowel with a narrow base, as well as a "trilaminar" appearance depicted especially with use of high-resolution US probes. CT is the imaging modality of choice and allows identification of the thickened contrast material-enhanced abnormal peritoneal membrane and the encapsulated clumped bowel loops. In addition, CT can potentially help identify the cause of EPS (omental granuloma in tuberculosis), as well as the complications of EPS (bowel obstruction). Conservative medical treatment and surgical therapy early in the course of EPS have been used for management of the condition. The purpose of this article is to review the nomenclature and etiopathogenesis of EPS, describe the multimodality imaging appearances of EPS, including differentiating its features from those of other conditions mimicking EPS, and give an overview of management options. Online DICOM image stacks are available for this article. ©RSNA, 2018.


Assuntos
Intestinos/diagnóstico por imagem , Fibrose Peritoneal/diagnóstico por imagem , Peritônio/diagnóstico por imagem , Radiografia , Radioisótopos de Bário , Diagnóstico Diferencial , Humanos , Obstrução Intestinal/diagnóstico por imagem , Obstrução Intestinal/etiologia , Imageamento por Ressonância Magnética , Diálise Peritoneal/efeitos adversos , Fibrose Peritoneal/etiologia , Fibrose Peritoneal/terapia , Peritônio/patologia , Prognóstico , Tomografia Computadorizada por Raios X
7.
J Appl Microbiol ; 127(3): 825-844, 2019 Sep.
Artigo em Inglês | MEDLINE | ID: mdl-31216598

RESUMO

AIM: Tea (Camellia sinensis (L.) O. Kuntze) is an economically important caffeine-containing beverage crop with massive plantation in the Northeast corner of the agroclimatic belt of India. The main aim of the work was to isolate, identify and characterize the native plant growth promoting endophytes associated with tea for future microbe based bioformulation. METHODS AND RESULTS: A total of 129 endophytic bacteria were isolated and characterized for plant growth promoting traits such as indole-3-acetic acid (IAA), phosphate solubilization, ammonia production, biocontrol traits like siderophore and extracellular enzyme production. BOX-PCR fingerprinting was used to differentiate the various bacterial isolates obtained from six different tea species. 16S rRNA sequencing and blast analysis showed that these isolates belonged to different genera, that is, Bacillus, Brevibacterium, Paenibacillus and Lysinibacillus. Lysinibacillus sp. S24 showed the highest phosphate solubilization and IAA acid production efficiency of 268·4 ± 14·3 and 13·5 ± 0·5 µg ml-1 , respectively. Brevibacterium sp. S91 showed the highest ammonia production of 6·2 ± 0·5 µmol ml-1 . Chitinase, cellulase, protease and pectinase activities were shown by 4·6, 34·1, 27·13 and 13·14% of the total isolates, respectively. Similarly, 41% of the total isolates were positive for 1-aminocyclopropane-1-carboxylic acid (ACC) deaminase activity. Further, the potent PGP isolates, S24 and S91 were able to enhance the vegetative parameters such as dry/fresh weight of root and shoot of tea plants in nursery conditions. CONCLUSION: Our findings corroborate that tea endophytic bacteria possess the potential to demonstrate multiple PGP traits both, in vivo and in vitro and have the potential for further large-scale trials. SIGNIFICANCE AND IMPACT OF THE STUDY: The exploration of tea endophytic bacterial community is suitable for the development of bioformulations for an integrated nutrient management and thus sustainable crop production and decreasing the hazardous effects of chemical fertilizers on the environment and human health.


Assuntos
Camellia sinensis/microbiologia , Endófitos/fisiologia , Desenvolvimento Vegetal , Aminoácidos Cíclicos , Bacillus/genética , Bacillus/isolamento & purificação , Bacillus/metabolismo , Brevibacterium/genética , Brevibacterium/isolamento & purificação , Brevibacterium/metabolismo , Camellia sinensis/crescimento & desenvolvimento , Endófitos/isolamento & purificação , Índia , Ácidos Indolacéticos/metabolismo , Paenibacillus/genética , Paenibacillus/isolamento & purificação , Paenibacillus/fisiologia , Filogenia , Raízes de Plantas/microbiologia , RNA Ribossômico 16S/genética , Sideróforos/metabolismo
8.
PLoS Med ; 15(7): e1002615, 2018 07.
Artigo em Inglês | MEDLINE | ID: mdl-30040859

RESUMO

BACKGROUND: Neurodevelopmental disorders (NDDs) compromise the development and attainment of full social and economic potential at individual, family, community, and country levels. Paucity of data on NDDs slows down policy and programmatic action in most developing countries despite perceived high burden. METHODS AND FINDINGS: We assessed 3,964 children (with almost equal number of boys and girls distributed in 2-<6 and 6-9 year age categories) identified from five geographically diverse populations in India using cluster sampling technique (probability proportionate to population size). These were from the North-Central, i.e., Palwal (N = 998; all rural, 16.4% non-Hindu, 25.3% from scheduled caste/tribe [SC-ST] [these are considered underserved communities who are eligible for affirmative action]); North, i.e., Kangra (N = 997; 91.6% rural, 3.7% non-Hindu, 25.3% SC-ST); East, i.e., Dhenkanal (N = 981; 89.8% rural, 1.2% non-Hindu, 38.0% SC-ST); South, i.e., Hyderabad (N = 495; all urban, 25.7% non-Hindu, 27.3% SC-ST) and West, i.e., North Goa (N = 493; 68.0% rural, 11.4% non-Hindu, 18.5% SC-ST). All children were assessed for vision impairment (VI), epilepsy (Epi), neuromotor impairments including cerebral palsy (NMI-CP), hearing impairment (HI), speech and language disorders, autism spectrum disorders (ASDs), and intellectual disability (ID). Furthermore, 6-9-year-old children were also assessed for attention deficit hyperactivity disorder (ADHD) and learning disorders (LDs). We standardized sample characteristics as per Census of India 2011 to arrive at district level and all-sites-pooled estimates. Site-specific prevalence of any of seven NDDs in 2-<6 year olds ranged from 2.9% (95% CI 1.6-5.5) to 18.7% (95% CI 14.7-23.6), and for any of nine NDDs in the 6-9-year-old children, from 6.5% (95% CI 4.6-9.1) to 18.5% (95% CI 15.3-22.3). Two or more NDDs were present in 0.4% (95% CI 0.1-1.7) to 4.3% (95% CI 2.2-8.2) in the younger age category and 0.7% (95% CI 0.2-2.0) to 5.3% (95% CI 3.3-8.2) in the older age category. All-site-pooled estimates for NDDs were 9.2% (95% CI 7.5-11.2) and 13.6% (95% CI 11.3-16.2) in children of 2-<6 and 6-9 year age categories, respectively, without significant difference according to gender, rural/urban residence, or religion; almost one-fifth of these children had more than one NDD. The pooled estimates for prevalence increased by up to three percentage points when these were adjusted for national rates of stunting or low birth weight (LBW). HI, ID, speech and language disorders, Epi, and LDs were the common NDDs across sites. Upon risk modelling, noninstitutional delivery, history of perinatal asphyxia, neonatal illness, postnatal neurological/brain infections, stunting, LBW/prematurity, and older age category (6-9 year) were significantly associated with NDDs. The study sample was underrepresentative of stunting and LBW and had a 15.6% refusal. These factors could be contributing to underestimation of the true NDD burden in our population. CONCLUSIONS: The study identifies NDDs in children aged 2-9 years as a significant public health burden for India. HI was higher than and ASD prevalence comparable to the published global literature. Most risk factors of NDDs were modifiable and amenable to public health interventions.


Assuntos
Transtornos do Neurodesenvolvimento/epidemiologia , Distribuição por Idade , Criança , Comportamento Infantil , Desenvolvimento Infantil , Pré-Escolar , Estudos Transversais , Feminino , Inquéritos Epidemiológicos , Humanos , Índia/epidemiologia , Masculino , Transtornos do Neurodesenvolvimento/diagnóstico , Transtornos do Neurodesenvolvimento/fisiopatologia , Transtornos do Neurodesenvolvimento/psicologia , Prevalência , Medição de Risco , Fatores de Risco
9.
Pancreatology ; 18(7): 727-733, 2018 Oct.
Artigo em Inglês | MEDLINE | ID: mdl-30146334

RESUMO

BACKGROUND AND OBJECTIVES: Percutaneous catheter drainage (PCD) is used as a first step in the management of symptomatic fluid collections in patients with acute pancreatitis (AP). We aimed to compare the outcome of patients with acute necrotic collection (ANC) and those with walled-off necrosis (WON), who had undergone PCD as a part of management of AP. METHODS: Consecutive patients of AP with symptomatic ANC or WON undergoing PCD were evaluated. Primary outcome measures were need for additional surgical necrosectomy and mortality. Secondary outcome measures were need for up-gradation of first PCD, need for additional drain, in-hospital as well as total duration of PCD and length of hospital stay. RESULTS: Indications of PCD in 375 patients (258 with ANC and 117 with WON) were suspected infected pancreatic necrosis (n = 214), persistent organ failure (n = 117) and pressure symptoms (n = 44). Need for additional surgical necrosectomy was seen in 14% patients with ANC and in 12% of patients with WON (p = 0.364) and mortality was 19% in patients with ANC as compared to 13.7% in those with WON (p = 0.132). There was no significant difference in the secondary outcome parameters between patients who underwent PCD for ANC or WON. Complications of PCD were comparable between patients with ANC and WON except development of external pancreatic fistula which occurred more often in patients with WON than in those with ANC (24.4% versus 34.2% respectively, p = 0.034). CONCLUSION: Persistent organ failure in more often an indication of PCD in patients with ANC than in WON and suspected infection is more commonly an indication in WON than in ANC. Early PCD is as efficacious and safe as delayed PCD.


Assuntos
Drenagem/métodos , Pancreatite Necrosante Aguda/cirurgia , Adulto , Drenagem/efeitos adversos , Feminino , Humanos , Masculino , Pessoa de Meia-Idade , Procedimentos Cirúrgicos Minimamente Invasivos/métodos , Estudos Retrospectivos
10.
Kathmandu Univ Med J (KUMJ) ; 16(63): 211-215, 2018.
Artigo em Inglês | MEDLINE | ID: mdl-31719308

RESUMO

Background The F wave is a CMAP (compound muscle action potential) evoked by a supramaximal stimulation of a motor nerve. F waves are particularly useful for the diagnoses of polyneuropathies at a very early stage and proximal nerve lesions. F waves have a very high diagnostic role in neurophysiology; we would like to study different F wave parameters and effect of anthropometric variables on F wave parameters in normal healthy individuals. Objective To study the effect of anthropometric variables on F wave latencies, chronodispersion and persistence Method Healthy males (n=64) and females (n=26) medical students of BPKIHS with age 21.64±1.19 years were enrolled in the study. Anthropometric parameters and maximum and minimum F wave latencies, F persistence and chronodispersion of bilateral median, ulnar and tibial nerves were recorded in Neurophysiology Lab II of BPKIHS. Descriptive analysis was done for anthropometric and F wave parameters. Unpaired t test was applied for comparing anthropometric and F wave variables between males and females. Pearson correlation was applied between anthropometric variables and F wave parameters. Result Age, height and weight of the subjects were 21.64±1.19 years, 165.61±5.4 cms and 64.07±5.5 kg respectively. Minimum F wave latencies (ms) of right median, ulnar and tibial nerves were 24.09±1.95, 24.02±1.76 and 44.34±3.02 while on the left side were 23.92±1.96, 24.11±1.92 and 44.07±2.83 respectively. Anthropometric variables of male and females were statistically significant. Also, F wave latencies between groups were different which were statistically significant. F persistence was above 80% for all tested peripheral nerves. Height and weight showed a significant effect on F wave latencies (p<0.001). However, age did not show any significant effect on F wave parameters. Conclusion Males have prolonged latencies as compared to females. Height and weight showed a significant relationship with the F wave latencies of the tested peripheral nerves.


Assuntos
Potenciais de Ação , Músculos/inervação , Condução Nervosa/fisiologia , Adulto , Antropometria , Feminino , Voluntários Saudáveis , Humanos , Masculino , Pessoa de Meia-Idade , Nervos Periféricos/fisiologia , Adulto Jovem
11.
Endoscopy ; 49(7): 643-650, 2017 Jul.
Artigo em Inglês | MEDLINE | ID: mdl-28472833

RESUMO

Background and aims Early ( < 24 hours) esophagogastroduodenoscopy (EGD) is used to prognosticate mucosal injury after caustic ingestion. We aimed to compare differences in endoscopic grading on EGDs performed on day 5 and day 1 and to assess the impact of relook endoscopy findings on the development of esophageal and/or antropyloric cicatrization. Patients and methods Consecutive patients admitted within 24 hours of caustic ingestion between 2009 and 2014 underwent EGD and had their mucosal changes graded. Injuries of grade ≤ 2a were classified as mild and ≥ 2b were classified as severe. Patients were followed up for the development of cicatrization and managed per protocol. Sensitivity, specificity, positive predictive value (PPV), negative predictive value (NPV), and likelihood ratios (LRs) were calculated to compare day 1 and day 5 EGD findings. Results A total of 62 patients (35 men; mean age 33 ±â€Š15) underwent both day 1 and day 5 EGDs. Antropyloric stenosis developed in 16 patients, esophageal strictures in nine, and four had both esophageal and antropyloric strictures. Compared with day 1 EGD, endoscopic grading of severe injury on day 5 had higher specificity (83 % vs. 65 %), higher PPV (60 % vs. 41 %), and higher positive LR (5.65 vs. 2.66) for predicting the development of esophageal stricture. Similarly, day 5 endoscopic grading had higher specificity (95 % vs. 61 %), higher PPV (88 % vs. 54 %), and higher positive LR (16 vs. 2.5) for predicting the development of antropyloric stenosis. Conclusion Endoscopic assessment on day 5 is a better predictor of esophageal and gastric cicatrization than day 1 EGD, which significantly overestimates the grade of injury.


Assuntos
Queimaduras Químicas/complicações , Cáusticos/efeitos adversos , Endoscopia Gastrointestinal , Estenose Esofágica/induzido quimicamente , Estenose Pilórica/induzido quimicamente , Adolescente , Adulto , Área Sob a Curva , Mucosa Esofágica/lesões , Feminino , Mucosa Gástrica/lesões , Humanos , Masculino , Pessoa de Meia-Idade , Valor Preditivo dos Testes , Curva ROC , Estudos Retrospectivos , Cirurgia de Second-Look , Fatores de Tempo , Índices de Gravidade do Trauma , Adulto Jovem
13.
Plant Dis ; 99(3): 417, 2015 Mar.
Artigo em Inglês | MEDLINE | ID: mdl-30699719

RESUMO

Tea [Camellia sinensis (L.) O. Kuntze] is an economically important non-alcoholic caffeine-containing beverage crop widely cultivated for leaves in India, especially in the Darjeeling district of West Bengal. In May 2012, distinct blight symptoms were observed on leaves of popular tea cultivars AV-2, Tukdah 78, Rungli Rungliot 17/144, and Bannockburn 157 in commercial tea estates of the Darjeeling district. This disease reduces yield and quality of the leaves. The initial symptoms were frequently observed on the young leaf margins and apices. Foliar symptoms are characterized by grayish to brown, semicircular or irregular shaped lesions, often surrounded by pale yellow zones up to 9 mm in diameter. The lesions later expand and the affected leaves turn grayish to dark brown and eventually the dried tissue falls, leading to complete defoliation of the plant. The disease causes damage to leaves of all ages and is severe in young leaves. A portion of the symptomatic leaf tissues were surface sterilized in 70% ethanol for 30 s, then in 2% NaClO for 3 min, rinsed three times in sterile distilled water, and plated onto potato dextrose agar (PDA). The fungal colonies were initially white and then became grayish to brown with sporulation. Conidia were spherical to sub spherical, single-celled, black, 19 to 21 µm in diameter, and were borne on a hyaline vesicle at the tip of each conidiophore. Morphological characteristics of the isolates were concurring to those of Nigrospora sphaerica (1). Moreover, the internal transcribed spacer (ITS) region of the ribosomal RNA was amplified by using primers ITS1 and ITS4 and sequenced (GenBank Accession No. KJ767520). The sequence was compared to the GenBank database through nucleotide BLAST search and the isolate showed 100% similarity to N. sphaerica (KC519729.1). On the basis of morphological characteristics and nucleotide homology, the isolate was identified as N. sphaerica. Koch's postulates were fulfilled in the laboratory on tea leaves inoculated with N. sphaerica conidial suspension (106 conidia ml-1) collected from a 7-day-old culture on PDA. Six inoculated 8-month-old seedlings of tea cultivars AV-2 and S.3/3 were incubated in a controlled environment chamber at 25°C and 80 to 85% humidity with a 12-h photoperiod. In addition, three plants of each cultivar were sprayed with sterile distilled water to serve as controls. Twelve to 14 days after inoculation, inoculated leaves developed blight symptoms similar to those observed on naturally infected tea leaves in the field. No symptoms were observed on the control leaves. The pathogen was re-isolated from lesions and its identity was confirmed by morphological characteristics. It was reported that N. sphaerica is frequently encountered as a secondary invader or as a saprophyte on many plant species and also as a causative organism of foliar disease on several hosts worldwide (2,3). To our knowledge, this is first report of N. sphaerica as a foliar pathogen of Camellia sinensis in Darjeeling, West Bengal, India, or worldwide. References: (1) M. B. Ellis. Dematiaceous Hyphomycetes. CMI, Kew, Surrey, UK, 1971. (2) D. F. Farr and A. Y. Rossman. Fungal Databases, Syst. Mycol. Microbiol. Lab., ARS, USDA. Retrieved from http://nt.ars-grin.gov/fungaldatabases/ July 01, 2013. (3) E. R. Wright et al. Plant Dis. 92:171, 2008.

14.
Artigo em Inglês | MEDLINE | ID: mdl-26030687

RESUMO

Silver nanoparticles (SNPs) are widely used in a variety of biomedical and consumer products as an antimicrobial additive. The present study was conducted to evaluate the impacts of low-dose SNPs on intestinal physiology of tilapia (Oreochromis niloticus L.) for assessing its apparent environmental risk due to extensive commercial use. SNPs were synthesized by a chemical reduction method yielding 1-27 nm oval shaped particles. Early fingerlings of tilapia were exposed with two sublethal concentrations (0.8 and 0.4 mg L(-1)) of SNPs for twenty one days period and its impact on the intestinal physiology was evaluated by histochemistry, catalase expression, glutamate dehydrogenase activity, SDS-PAGE and gut micro flora count. Histological analysis showed thinning of intestinal wall, swelling on mucosal layer and immunohistochemical assay exhibited an enhanced catalase expression in SNPs treated fishes. Gut microflora count elicited a dose-dependent depletion and a variable SDS-PAGE profile followed by significant (P < 0.05) elevations in glutamate dehydrogenase activity in SNPs-treated fishes. This study was designed to provide a better understanding of environmentally acceptable, dose-dependent SNPs delivery in fishes and to formulate guidelines in aquatic toxicology.


Assuntos
Ciclídeos/metabolismo , Microbioma Gastrointestinal/efeitos dos fármacos , Intestinos/efeitos dos fármacos , Intestinos/fisiopatologia , Nanopartículas/toxicidade , Prata/toxicidade , Poluentes Químicos da Água/toxicidade , Animais , Catalase/metabolismo , Intestinos/microbiologia , Dose Letal Mediana
15.
J Clin Exp Hepatol ; 14(5): 101397, 2024.
Artigo em Inglês | MEDLINE | ID: mdl-38595988

RESUMO

Introduction: Diagnosis of wall-thickening type gallbladder cancer (GBC) is challenging. Computed tomography (CT) and magnetic resonance imaging (MRI) are commonly utilized to evaluate gallbladder wall thickening. However, there is a lack of data comparing the performance of CT and MRI for the detection of wall-thickening type GBC. Aim: We aim to compare the diagnostic accuracy of CT and MRI in diagnosis of wall-thickening type GBC. Materials and methods: This prospective study comprised consecutive patients suspected of wall-thickening type GBC who underwent preoperative contrast-enhanced CT and MRI. The final diagnosis was based on the histopathology of the resected gallbladder lesion. Two radiologists independently reviewed the characteristics of gallbladder wall thickening at CT and MRI. The association of CT and MRI findings with histological diagnosis and the interobserver agreement of CT and MRI findings were assessed. Results: Thirty-three patients (malignancy, 13 and benign, 20) were included. None of the CT findings were significantly associated with GBC. However, at MRI, heterogeneous enhancement, indistinct interface with the liver, and diffusion restriction were significantly associated with malignancy (P = 0.006, <0.001, and 0.005, respectively), and intramural cysts were significantly associated with benign lesions (P = 0.012). For all MRI findings, the interobserver agreement was substantial to perfect (kappa = 0.697-1.000). At CT, the interobserver agreement was substantial to perfect (k = 0.631-1.000). Conclusion: These findings suggest that MRI may be preferred over CT in patients with suspected wall thickening type GBC. However, larger multicenter studies must confirm our findings.

16.
J Clin Exp Hepatol ; 14(4): 101393, 2024.
Artigo em Inglês | MEDLINE | ID: mdl-38550799

RESUMO

Objective: This article aims to evaluate the intrareader and interreader agreement of ultrasound (US) gallbladder reporting and data system (GB-RADS) and validate the risk of malignancy in each GB-RADS category. Materials and methods: This retrospective study comprised consecutive patients with nonacute gallbladder wall thickening who underwent US evaluation between January 2019 and December 2022. Three radiologists independently read the static US images and cine-loops for GB-RADS findings and assigned GB-RADS categories. The intraobserver (static images) and interobserver (static images and cine-loops) agreement was calculated using kappa statistics and Krippendorff's alpha. Another radiologist assigned a consensus GB-RADS category. The percentage of malignancy in each GB-RADS category was calculated. Results: Static US images of 414 patients (median age, 56 years; 288 women, benign = 45.6% and malignant = 54.4%) and cine-loops of 50 patients were read. There was weak to moderate intrareader agreement for most GB-RADS findings and moderate intrareader agreement for the GB-RADS category for all readers. On static images, the interreader agreement was acceptable for GB-RADS categories. On cine-loops, the interreader agreement for GB-RADS findings and categories was better than static images. The percentage of malignancy was 1.2%, 37%, 71.1%, and 89.1% in GB-RADS 2, 3, 4, and 5 categories. Conclusion: GB-RADS has moderate intrareader for GB-RADS categories. As originally proposed, the risk of malignancy is negligible in GB-RADS 2 category and highest in GB-RADS 5 category. However, the discriminatory performance of GB-RADS 3 and 4 categories is low. Larger multicenter studies with more readers must assess the reader agreement and validate the GB-RADS systems for wider clinical utilization.

17.
J Clin Exp Hepatol ; 14(3): 101348, 2024.
Artigo em Inglês | MEDLINE | ID: mdl-38389867

RESUMO

Background: Biliary obstruction in gallbladder cancer (GBC) is associated with worse prognosis and needs drainage. In patients with biliary confluence involvement, percutaneous biliary drainage (PBD) is preferred over endoscopic drainage. However, PBD catheters are associated with higher complications compared to endoscopic drainage. PBD with self-expandable metal stents (SEMS) is desirable for palliation. However, the data in patients with unresectable GBC is lacking. Materials and methods: This retrospective study comprised consecutive patients with proven GBC who underwent PBD-SEMS insertion between January 2021 and December 2022. Technical success, post-procedural complications, clinical success, duration of stent patency, and biliary reinterventions were recorded. Clinical follow-up data was analysed at 30 days and 180 days of SEMS insertion and mortality was recorded. Results: Of the 416 patients with unresectable GBC, who underwent PBD, 28 (median age, 50 years; 16 females) with PBD-SEMS insertion were included. All SEMS placement procedures were technically successful. There were no immediate/early post-procedural complications/deaths. The procedures were clinically successful in 63.6% of the patients with hyperbilirubinemia (n = 11). Biliary re-interventions were done in 6 (21.4%). The survival rate was 89.3 % (25/28) at 30 days and 50% at 180 days. The median follow-up duration was 80 days (range, 8-438 days). Conclusion: PBD-SEMS has moderate clinical success and 6-months patency in almost half of the patients with metastatic GBC and must be considered for palliation.

18.
Kathmandu Univ Med J (KUMJ) ; 11(42): 110-6, 2013.
Artigo em Inglês | MEDLINE | ID: mdl-24096216

RESUMO

BACKGROUND: Reports on pediatric electroencephalogram of Nepalese patients are rare. OBJECTIVE: We aimed to study the relationship between provisional clinical and electrophysiological diagnoses of pediatric patients with documentation of demographic profiles, and type and frequency of the disorders/diseases. METHODS: Electroencephalographic reports of 634 children from 2006 to 2009 were analyzed at neurophysiology laboratory, department of Basic and Clinical Physiology, B. P. Koirala Institute of Health Sciences, Dharan, Nepal, retrospectively. Chi-Square test was applied after detail descriptive statistics. RESULTS: Male and female were 72.2 % (n=458/634) and 27.76 % (n=176/634) respectively. Most frequent EEG abnormality was seizure disorder (n=370, 59.39%), then febrile seizure (n= 94, 15.08%) and birth asphyxia with hypoxic-induced encephalopathy (n=68, 10.91%). Electroencephalogram showed significant epileptiform discharges in seizure disorder (p=0.001, OR= 2.26, 95 % CI= 1.61 to 3.18) and in cerebral palsy (p=0.049, OR=6.88, 95 % CI=0.89 to 145.95), specifically in 6 to 12 (p=0.001, OR=2.94, 95 % CI=1.43 to 6.06) and one to five (p=0.019) years, respectively. Electroencephalogram detected significantly less epileptiform discharges (p=0.001, OR=0.25, 95 % CI= 0.15 to 0.42) in febrile seizure specifically in 1 to 5 years (p=0.003, OR=0.16, 95 % CI= 0.04 to 0.63). CONCLUSION: Predominant Electroencephalographic abnormality was seizure disorder, followed by febrile seizure and birth asphyxia with hypoxic-induced encephalopathy respectively. Electroencephalographic abnormality was highly associated with seizure disorder and cerebral palsy but was not associated with febrile seizure.


Assuntos
Eletroencefalografia/estatística & dados numéricos , Pediatria/estatística & dados numéricos , Fatores Etários , Paralisia Cerebral/diagnóstico , Paralisia Cerebral/fisiopatologia , Criança , Pré-Escolar , Feminino , Humanos , Hipóxia Encefálica/diagnóstico , Hipóxia Encefálica/fisiopatologia , Lactente , Masculino , Nepal/epidemiologia , Estudos Retrospectivos , Convulsões/diagnóstico , Convulsões/fisiopatologia , Fatores Socioeconômicos
19.
J Biomol Struct Dyn ; : 1-14, 2023 May 27.
Artigo em Inglês | MEDLINE | ID: mdl-37243678

RESUMO

Many diseases, such as rheumatoid arthritis, neurodegenerative disease, lupus, autoimmune disease, and cancer, are described by chronic inflammation following tissue damage. Anti-inflammatory drugs like non-steroidal anti-inflammatory drugs and other steroids cause many side effects and generally need careful consideration and monitoring during usage. In recent years, a significant interest in plant-derived approaches has been warranted. The bioactive glycoside syringin might be one of the effective immunomodulatory agents. However, its immunomodulatory potential needs to be better known. In this study, we evaluated the immunomodulatory potential of syringin using network pharmacology, molecular docking, and molecular dynamics simulation-based approaches. First, we applied the GeneCards and OMIM databases to acquire the immunomodulatory agents. Then, the STRING database was utilized to get the hub genes. Interaction analysis and molecular docking described strong binding of the active site of immunomodulatory proteins with the bioactive syringin. Molecular dynamics simulations (200 ns) showed a very stable interaction of syringin with the immunomodulatory protein. Further, the optimized structure and molecular electrostatic potential of the syringin were calculated by a density-functional theory utilizing basis levels of B3LYP/6-31. Syringin investigated in this study holds the required drug-likeness characteristics and follows Lipinski's rule of five. However, quantum-chemical estimations show the syringin has potent reactivity, demonstrating a lower energy gap. Furthermore, the gap between ELUMO and EHOMO was low, suggesting the excellent affinity of syringin towards the immunomodulatory proteins. The present study shows that syringin might be an effective immunomodulatory agent and can be further explored using different experimental methods.Communicated by Ramaswamy H. Sarma.

20.
Trop Doct ; 53(3): 375-377, 2023 Jul.
Artigo em Inglês | MEDLINE | ID: mdl-37113074

RESUMO

Complete tract excision for complex fistula-in-ano, where the sphincter, is divided is increasingly being followed by immediate sphincter repair. We concluded, by a prospective study conducted on 60 consecutive patients, that this procedure is feasible and safe, and polydioxanone and polyglactin 910 in repair result in a comparable outcome.


Assuntos
Canal Anal , Fístula Retal , Humanos , Estudos Prospectivos , Resultado do Tratamento , Canal Anal/cirurgia , Fístula Retal/cirurgia
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