21 research outputs found

    The Distribution, Nesting Habits and Status of Threatened Vulture Species in Protected Areas of Central India

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    Protected Area (PA) establishment is one of the commoner strategies for wildlife conservation, but the effectiveness of these developments is rarely evaluated in terms of species’ performance. This article assesses the effectiveness of PAs of Central India, using an assessment of threatened vulture species. These species may be considered as keystone species in this region. Relevant parameters considered for assessment comprised: (i) the presence and population density of vultures in PAs compared with those in unprotected forests and agricultural landscapes; (ii) counts of the breeding population, nesting preferences and environmental factors for such variables; and (iii) the impacts of policies designed to combat the effects of the deadly diclofenac drug on vulture populations. Quantitative (total counts of vultures and nests, transect surveys) and qualitative (semi-structured interviews, secondary data surveys) methodologies were used in data collection, to provide an adequate information base. White-rumped, Longbilled, Egyptian and Red-headed vultures (resident) and Cinereous Vulture, Eurasian Griffon and Himalayan Griffon (migratory) were recorded in PAs. The probability of vulture occupancy was significantly higher in PAs (44–51%), than in unprotected forest (17.6–17.8%) and agricultural areas (0.03%). The average vulture density in PAs (0.529 ±0.228 km-2 ) was also much higher than in unprotected forest (0.014±0.012 km-2 ) and agricultural areas. The presence of active, inactive and abandoned nests in PAs revealed favorable habitat conditions for breeding, potential breeding and floater vulture categories. Disturbance factors were insignificant. The statutory ban on diclofenac use had a significant impact on vulture populations within the PAs, but this factor was insignificant in surrounding areas. These findings indicate a positive role of PAs in conservation, with insignificant impacts of the diclofenac ban across different types of landcover. It is concluded that increased promotion of environmental education is important to ensure effective vulture conservation and the success of PAs

    PROSPECTIVE COHORT STUDY COMPARING PERITUMORAL INJECTION OF METHYLENE BLUE DYE WITH PERI-AREOLAR INJECTION AS A SINGLE APPROACH FOR THE IDENTIFICATION OF SENTINEL LYMPH NODES IN INDIVIDUALS WITH CLINICALLY NON-PALPABLE BREAST CANCER AT IGIMS, PATNA, INDIA

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    Background: Selecting the optimal place for injecting the blue dye in breast cancer is one of the most hotly contested questions in the SLN detection procedure.  Objective: In contrast to combining peri-areolar and peritumoral injection techniques, the study's objective is to assess the SLN's detection rate utilizing the peri-areolar injection technique.   Methods:  This prospective cohort comparative study included 60 female patients with early-stage, non-palpable breast cancer confirmed by histopathology. After essential workups like blood tests, ECGs, and chest X-rays, patients consented and were randomly assigned to two groups for methylene blue dye injections for sentinel lymph node biopsy.  Results:  The study compared sentinel lymph node (SLN) detection using periareolar and combined periareolar-peritumoral methylene blue dye injections. SLN detection rates were 73.3% in Group A (periareolar only) and 80% in Group B (combined technique), with no significant difference between the groups (p = 1.00). This suggests that adding peritumoral injections does not improve SLN identification over periareolar injections alone. The study also found the upper quadrant as the most common tumor site, occurring in 46.67% of Group A and 60% of Group B, demonstrating the effectiveness of methylene blue dye across different breast tumor locations.  Conclusion:  The study confirmed that 1% Methylene Blue Dye (MBD) is effective for Sentinel Node Biopsy (SNB) in breast cancer, suitable even in limited access settings. It showed that tumor size and grade are key factors in SLNB, with negative lymph nodes leading to better patient outcomes by avoiding axillary clearance morbidity. Additionally, the SLN detection rates were similar between periareolar and peritumoral injection techniques using MBD.  Recommendation: For Sentinel Lymph Node Biopsy in early-stage breast cancer, it is advised to standardize the use of the periareolar injection technique with 1% Methylene Blue Dye.

    A micro bacteriological culture assessment of the histopathological alterations in liver and bile in gallstone disease

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    Background: The present investigation aims to evaluate both the intensity and occurrence of hepatic impairment in patients afflicted with gallstone disease, examining the involvement of bacteria in the progression of these alterations. Methods: This prospective observational investigation was carried out on 189 patients scheduled for open or laparoscopic cholecystectomy at IGIMS in Patna, Bihar, India. In all the patients, laboratory and radiological investigations were performed. A healthy section of the liver border near the gallbladder fossa was chosen and grasped with non-traumatic forceps. Approximately 1 cm of the liver edge was excised using scissors and forwarded for histopathological analysis. Results: An examination of 189 liver biopsy specimens revealed that 87 (46%) patients showed no abnormalities, while 102 patients (54%) exhibited one or more changes. Upon analysing the liver biopsy samples from the control cohort (41 patients) during autopsy, 37% of the cases were identified to display hepatic lipidosis, while 48% of the cases showed lymphocytic invasion. Importantly, no cases of acute inflammatory changes were detected in the control cohort. Microbiological analysis was conducted on 96 patients, of which 33 (34%) showed positive cultures, with one or more microorganisms isolated from either the biliary tract or liver. Among these, 74% (24 cases) originated from the bile or gallbladder, while 26% (9 cases) were isolated from the liver. Conclusions: Gallstone disease induces significant liver histological changes, notably more prevalent in patients with prolonged symptoms. The present study clearly identifies this and underscores the importance of timely diagnosis and intervention for the effective management of this disease

    Neonatal, 1–59 month, and under-5 mortality in 597 Indian districts, 2001 to 2012: estimates from national demographic and mortality surveys

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    Background India has the largest number of child deaths of any country in the world, and has wide local variation in under-5 mortality. Worldwide achievement of the UN 2015 Millennium Development Goal for under-5 mortality (MDG 4) will depend on progress in the subregions of India. We aimed to estimate neonatal, 1–59 months, and overall under-5 mortality by sex for 597 Indian districts and to assess whether India is on track to achieve MDG 4. Methods We divided the 2012 UN sex-specifi c birth and mortality totals for India into state totals using relative birth rates and mortality from recent demographic surveys of 24 million people, and divided state totals into totals for the 597 districts using 3 million birth histories. We then split the results into neonatal mortality and 1–59 month mortality using data for 109 000 deaths in children younger than 5 years from six national surveys. We compared results with the 2001 census for each district. Findings Under-5 mortality fell at a mean rate of 3·7% (IQR 3·2–4·9) per year between 2001 and 2012. 222 (37%) of 597 districts are on track to achieve the MDG 4 of 38 deaths in children younger than 5 years per 1000 livebirths by 2015, but an equal number (222 [37%]) will achieve MDG 4 only after 2020. These 222 lagging districts are home to 41% of India’s livebirths and 56% of all deaths in children younger than 5 years. More districts lag behind the relevant goal for neonatal mortality (251 [42%]) than for 1–59 month mortality (197 [33%]). Just 81 (14%) districts account for 37% of deaths in children younger than 5 years nationally. Female mortality at ages 1–59 months exceeded male mortality by 25% in 303 districts in nearly all states of India, totalling about 74 000 excess deaths in girls. Interpretation At current rates of progress, MDG 4 will be met by India around 2020—by the richer states around 2015 and by the poorer states around 2023. Accelerated progress to reduce mortality during the neonatal period and at ages 1–59 months is needed in most Indian districts. Funding Disease Control Priorities 3, Canadian Institutes of Health Research, International Development Research Centre, US National Institutes of Health

    Age-specifi c and sex-specifi c adult mortality risk in India in 2014: analysis of 0·27 million nationally surveyed deaths and demographic estimates from 597 districts

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    Background As child mortality decreases rapidly worldwide, premature adult mortality is becoming an increasingly important contributor to global mortality. Any possible worldwide reduction of premature adult mortality before the age of 70 years will depend on progress in India. Indian districts increasingly have responsibility for implementing public health programmes. We aimed to assess age-specifi c and sex-specifi c adult mortality risks in India at the district level. Methods We analysed data from fi ve national surveys of 0∙27 million adult deaths at an age of 15–69 years together with 2014 demographic data to estimate age-specifi c and sex-specifi c adult mortality risks for 597 districts. Cause of death data were drawn from the verbal autopsies in the Registrar General of India’s ongoing Million Death Study. Findings In 2014, about two-fi fths of India’s men aged 15–69 years lived in the 253 districts where the conditional probability of a man dying at these ages exceeded 50%, and more than a third of India’s women aged 15–69 years lived in the 222 districts where the conditional probability of a woman dying exceeded 40%. The probabilities of a man or woman dying by the age of 70 years in high-mortality districts was 62% and 54%, respectively, whereas the probability of a man or woman dying by the age of 70 years in low-mortality districts was 40% and 30%, respectively. The roughly 10-year survival gap between high-mortality and low-mortality districts was nearly as extreme as the survival gap between the entire Indian population and people living in high-income countries. Adult mortality risks at ages 15–69 years was highest in east India and lowest in west India, by contrast with the north–south divide for child mortality. Vascular disease, tuberculosis, malaria and other infections, and respiratory diseases accounted for about 60% of the absolute gap in adult mortality risk at ages 15–69 years between high-mortality and low-mortality districts. Most of the variation in adult mortality could not be explained by known determinants or risk factors for premature mortality. Interpretation India’s large variation in adult mortality by district, notably the higher death rates in eastern India, requires further aetiological research, particularly to explore whether high levels of adult mortality risks from infections and non-communicable diseases are a result of historical childhood malnutrition and infection. Such research can be complemented by an expanded coverage of known eff ective interventions to reduce adult mortality, especially in high-mortality district

    Global, regional, and national incidence and mortality for HIV, tuberculosis, and malaria during 1990–2013: a systematic analysis for the Global Burden of Disease Study 2013

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    BACKGROUND: The Millennium Declaration in 2000 brought special global attention to HIV, tuberculosis, and malaria through the formulation of Millennium Development Goal (MDG) 6. The Global Burden of Disease 2013 study provides a consistent and comprehensive approach to disease estimation for between 1990 and 2013, and an opportunity to assess whether accelerated progress has occured since the Millennium Declaration. METHODS: To estimate incidence and mortality for HIV, we used the UNAIDS Spectrum model appropriately modified based on a systematic review of available studies of mortality with and without antiretroviral therapy (ART). For concentrated epidemics, we calibrated Spectrum models to fit vital registration data corrected for misclassification of HIV deaths. In generalised epidemics, we minimised a loss function to select epidemic curves most consistent with prevalence data and demographic data for all-cause mortality. We analysed counterfactual scenarios for HIV to assess years of life saved through prevention of mother-to-child transmission (PMTCT) and ART. For tuberculosis, we analysed vital registration and verbal autopsy data to estimate mortality using cause of death ensemble modelling. We analysed data for corrected case-notifications, expert opinions on the case-detection rate, prevalence surveys, and estimated cause-specific mortality using Bayesian meta-regression to generate consistent trends in all parameters. We analysed malaria mortality and incidence using an updated cause of death database, a systematic analysis of verbal autopsy validation studies for malaria, and recent studies (2010-13) of incidence, drug resistance, and coverage of insecticide-treated bednets. FINDINGS: Globally in 2013, there were 1·8 million new HIV infections (95% uncertainty interval 1·7 million to 2·1 million), 29·2 million prevalent HIV cases (28·1 to 31·7), and 1·3 million HIV deaths (1·3 to 1·5). At the peak of the epidemic in 2005, HIV caused 1·7 million deaths (1·6 million to 1·9 million). Concentrated epidemics in Latin America and eastern Europe are substantially smaller than previously estimated. Through interventions including PMTCT and ART, 19·1 million life-years (16·6 million to 21·5 million) have been saved, 70·3% (65·4 to 76·1) in developing countries. From 2000 to 2011, the ratio of development assistance for health for HIV to years of life saved through intervention was US$4498 in developing countries. Including in HIV-positive individuals, all-form tuberculosis incidence was 7·5 million (7·4 million to 7·7 million), prevalence was 11·9 million (11·6 million to 12·2 million), and number of deaths was 1·4 million (1·3 million to 1·5 million) in 2013. In the same year and in only individuals who were HIV-negative, all-form tuberculosis incidence was 7·1 million (6·9 million to 7·3 million), prevalence was 11·2 million (10·8 million to 11·6 million), and number of deaths was 1·3 million (1·2 million to 1·4 million). Annualised rates of change (ARC) for incidence, prevalence, and death became negative after 2000. Tuberculosis in HIV-negative individuals disproportionately occurs in men and boys (versus women and girls); 64·0% of cases (63·6 to 64·3) and 64·7% of deaths (60·8 to 70·3). Globally, malaria cases and deaths grew rapidly from 1990 reaching a peak of 232 million cases (143 million to 387 million) in 2003 and 1·2 million deaths (1·1 million to 1·4 million) in 2004. Since 2004, child deaths from malaria in sub-Saharan Africa have decreased by 31·5% (15·7 to 44·1). Outside of Africa, malaria mortality has been steadily decreasing since 1990. INTERPRETATION: Our estimates of the number of people living with HIV are 18·7% smaller than UNAIDS's estimates in 2012. The number of people living with malaria is larger than estimated by WHO. The number of people living with HIV, tuberculosis, or malaria have all decreased since 2000. At the global level, upward trends for malaria and HIV deaths have been reversed and declines in tuberculosis deaths have accelerated. 101 countries (74 of which are developing) still have increasing HIV incidence. Substantial progress since the Millennium Declaration is an encouraging sign of the effect of global action. FUNDING: Bill & Melinda Gates Foundation

    Distribution of vultures in Uttar Pradesh, India

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    As carrion feeders vultures play an important ecological role.  Counts and qualitative assessments were done over three seasons to assess the richness and abundance of vultures in Uttar Pradesh during 2010–11.  Of nine species found in India, Uttar Pradesh has six: Egyptian Vulture Neophron percnopterus (45.9%), Slender-billed Vulture Gyps tenuirostris (25.4%), Indian Vulture (Long-billed Vulture) Gyps indicus (16.8%), White-rumped Vulture Gyps bengalensis (10.3%), Red-headed Vulture (King Vulture) Sarcogyps calvus (0.8%) and Himalayan Griffon Gyps himalayensis (0.7%).  We observed a total of 1993 adults and 91 juveniles, with the Tarai region having the greatest species richness and abundance.  Nesting tree species included Silk Cotton Bombax ceiba, Teak Tectona grandis, Haldu Haldina cordifolia and Sissoo Dalbergia sissoo.  A qualitative assessment indicated that the vulture population had declined in the past 10–15 years, with the main causes being the use of diclofenac, shortage of food and habitat loss.  Disposal of dead animals was mainly done by removing carcasses to village outskirts, where dogs, crows and egrets compete with vultures.  Such a small number of avian scavengers in a large area like Uttar Pradesh should be protected by ensuring safe and sufficient food, recovery from accidents and rehabilitation, and a protected environment.</p

    Biomass production and carbon balance in two hybrid poplar (Populus euramericana) plantations raised with and without agriculture in southern France

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    International audiencePoplar is useful in different climates for bioenergy production and carbon sequestration when planted as a single species or in agroforestry. Europe has large areas potentially suitable for poplar forestry and a bioenergy policy that would encourage poplar forestry. In this study I estimated biomass production and carbon sequestration in poplar monoculture plantation and poplar-wheat agroforestry, in the Mediterranean region of France. A single-tree harvesting method was used to estimate biomass and an empirical conversion factor was adopted to calculate sequestered carbon. Total biomass was higher in agroforestry trees (1223 kg tree(-1)) than in monoculture plantation trees (1102 kg tree(-1)). Aboveground and belowground biomass distributions were similar in both cases (89 and 88% aboveground, and 11 and 12% belowground, respectively in agroforestry and monoculture). The partitioning of total biomass in an agroforestry tree in leaves, branch, and trunk (aboveground), and fine roots, medium roots, coarse roots and underground stem (belowground) was 1, 22, and 77, and 6, 9, 44 and 40%, respectively. Except for branch and trunk, all other compartments were similarly distributed in a monoculture tree. Storage of C was higher in agroforestry trees (612 kg tree(-1)) than in monoculture trees (512 kg tree(-1)). In contrast, C storage on a per hectare basis was lower in agroforestry (85 Mg ha(-1)) than in monoculture (105 Mg ha(-1)) due to the lower density of trees per hectare in agroforestry (139 trees in agroforestry vs 204 trees in monoculture). On a per hectare basis, soil C stocks pattern were similar to per tree stocking: They were higher in agroforestry at 330 Mg ha(-1) than in monoculture 304 Mg ha(-1). Higher C accumulation by agroforestry has a direct management implication in the sense that expanding agroforestry into agriculture production areas with short rotation and fast growing trees like poplar would encourage quicker and greater C sequestration. This could simultaneously fulfil the requirement of bioenergy plantation in Europe

    Non-timber Forest Products, Their Vulnerability and Conservation in a Designated UNESCO Heritage Site of Arunanchal Pradesh, India

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    <p>The<em> Apatani, </em>non-nomadic<em> </em>tribe,<em> </em>have evolved an ecologically sustainable system of rural forestry in Ziro Valley, a proposed heritage site of UNESCO. They have been using non-timber forest products (NTFPs) grown in homestead and nearby forests for a very long period. The present study was aimed at identification of priority NTFPs and uses, their availability status and availability trend, conservation need, and sustainability interventions. Qualitative methods of research like, exploratory survey, questionnaire survey, focus group discussion, semi-structured interview of key informants, etc. were employed for data collection. The <em>Apatani</em> used 112 priority NTFPs for food supplement, herbal medicine, house building material and other purposes. However, on the basis of ecological importance such NTFPs were categorized as very low, low, moderate, high, and very high vulnerable species. Twenty vulnerable species like<em> Antiitari ayi (Actinidia callosa), Biiling (Choerospondias axillaris), Henchi (Rubus niveus), Jojuru ayi (Coccinia grandis), Ngiilyang Khiiko (Centella asiatica) </em>etc. should be conserved and seventeen not vulnerable species at this stage like, <em>Padii hamang (Cardamine hirsute), Sankhe (Quercus griffithii), Bije (Phyllostachys manii), Hiigu hamang (Oenanthe javanica), Kiira (Quercus dealbata ), </em>etc. could be commercialized. However, a balance needed to be struck between commercialization and conservation by adopting a comprehensive policy based on scientific and traditional <em>Apatani</em> knowledge for harvesting and regeneration of NTFPs. Homegardening or community farming is recommended for sustainable supply of commercially important species to be domasticated.</p
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