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Agarwal S, Klein AA, Gill R. Resternotomy revisited. Anaesthesia 2021; 76:1135. [PMID: 33621372 DOI: 10.1111/anae.15449] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 02/03/2021] [Indexed: 11/29/2022]
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Quarterman C, Agarwal S. Pre-operative optimisation with intravenous iron in cardiac surgery: a reply. Anaesthesia 2021; 76:1006-1007. [PMID: 33621343 DOI: 10.1111/anae.15448] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 02/08/2021] [Indexed: 11/28/2022]
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Sindhuja T, Agarwal S, Gupta V. Macrodactyly in tuberous sclerosis complex. Clin Exp Dermatol 2021; 46:929-931. [PMID: 33511660 DOI: 10.1111/ced.14581] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/24/2021] [Accepted: 01/26/2021] [Indexed: 12/01/2022]
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Green L, Roberts N, Platton S, O'Brien B, Agarwal S, Gill R, Klein AA, Stanworth S, Cooper J. Impact of prothrombin complex concentrate and fresh frozen plasma on correction of haemostatic abnormalities in bleeding patients undergoing cardiac surgery (PROPHESY trial results). Anaesthesia 2021; 76:997-1000. [PMID: 33464560 DOI: 10.1111/anae.15395] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 12/19/2020] [Indexed: 12/29/2022]
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Jethwani P, Saboo B, Jethwani L, Chawla R, Maheshwari A, Agarwal S, Jaggi S. Use of insulin glargine during pregnancy: A review. Diabetes Metab Syndr 2021; 15:379-384. [PMID: 33540243 DOI: 10.1016/j.dsx.2021.01.012] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/07/2020] [Revised: 01/09/2021] [Accepted: 01/11/2021] [Indexed: 11/18/2022]
Abstract
BACKGOUND AND AIMS Hyperglycemia during pregnancy is increasing globally. Insulin therapy is considered the standard of care for its optimum management. Insulin glargine, in spite of widespread use in non-pregnant adults, lacks randomized controlled trial evidence as safe basal insulin during pregnancy. Aim of this review is to discuss major available evidences and recommendations on the use of insulin glargine during pregnancy. METHODS Evidences related to use of insulin glargine during pregnancy, including animal studies, placental transfer studies, case reports as well as observational studies were retrieved using PUBMED & Google scholar. Recommendations regarding use of insulin glargine during pregnancy by international and Indian organizations were reviewed. RESULTS Trans-placental transfer studies show that insulin glargine does not cross placenta when used at therapeutic concentrations. Although there are no randomized controlled trials on insulin glargine in pregnancy, it's use during pregnancy is not associated with any adverse maternal or neonatal outcomes as shown in many case reports and observational studies (both prospective and retrospective). It's use during pregnancy is hence considered safe by many organizations across the globe. CONCLUSIONS Insulin glargine can be continued safely during pregnancy in women who are already taking it prior to pregnancy and have achieved good glycemic control with it. However we require preferably randomized controlled trials or large prospective observational studies to establish it as first line or preferred basal insulin for management of hyperglycemia during pregnancy.
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Agarwal S, Conway J, Nguyen V, Dogra S, Krieger P, Zagzag D, Lewis A, Melmed K, Galetta S, Jain R. Serial Imaging of Virus-Associated Necrotizing Disseminated Acute Leukoencephalopathy (VANDAL) in COVID-19. AJNR Am J Neuroradiol 2021; 42:279-284. [PMID: 33093131 DOI: 10.3174/ajnr.a6898] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/11/2020] [Accepted: 09/16/2020] [Indexed: 12/14/2022]
Abstract
BACKGROUND AND PURPOSE Various patterns of leukoencephalopathy have been described in coronavirus disease 2019 (COVID-19). In this article, we aimed to describe the clinical and imaging features of acute disseminated leukoencephalopathy in critically ill patients with COVID-19 and the imaging evolution during a short-term follow-up. MATERIALS AND METHODS We identified and reviewed the clinical data, laboratory results, imaging findings, and outcomes for 8 critically ill patients with COVID-19 with acute disseminated leukoencephalopathy. RESULTS All patients demonstrated multiple areas of white matter changes in both cerebral hemispheres; 87.5% (7/8) of patients had a posterior predilection. Four patients (50%) had short-term follow-up imaging within a median of 17 days after the first MR imaging; they developed brain atrophy, and their white matter lesions evolved into necrotizing cystic cavitations. All (8/8) patients had inflammatory cytokine release syndrome as demonstrated by elevated interleukin-6, D-dimer, lactate dehydrogenase, erythrocyte sedimentation rate, C-reactive protein, and ferritin levels. Most (7/8; 87.5%) patients were on prolonged ventilator support (median, 44.5 days; interquartile range, 20.5 days). These patients had poor functional outcomes (6/8 [75%] patients were discharged with mRS 5) and high mortality (2/8, 25%). CONCLUSIONS Critically ill patients with COVID-19 can develop acute disseminated leukoencephalopathy that evolves into cystic degeneration of white matter lesions with brain atrophy during a short period, which we dubbed virus-associated necrotizing disseminated acute leukoencephalopathy. This may be the result of COVID-19-related endothelial injury, cytokine storm, or thrombotic microangiopathy.
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Radhakrishna S, Agarwal S, Parikh PM, Kaur K, Panwar S, Sharma S, Dey A, Saxena KK, Chandra M, Sud S. Role of magnetic resonance imaging in breast cancer management. South Asian J Cancer 2020; 7:69-71. [PMID: 29721466 PMCID: PMC5909298 DOI: 10.4103/sajc.sajc_104_18] [Citation(s) in RCA: 24] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022] Open
Abstract
Magnetic resonance imaging (MRI) of the breast is primarily used as a supplemental tool to breast screening with mammography or ultrasound. A breast MRI is mainly used for women who have been diagnosed with breast cancer, to help measure the size of the cancer, look for other tumors in the breast, and to check for tumors in the opposite breast. For certain women at high risk for breast cancer, a screening MRI is recommended along with a yearly mammogram. MRI is known to give some false positive results which mean more test and/or biopsies for the patient. Thus, although breast MRI is useful for women at high risk, it is rarely recommended as a screening test for women at average risk of breast cancer. Also, breast MRI does not show calcium deposits, known as micro-calcifications which can be a sign of breast cancer.
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Babu G, Goel A, Agarwal S, Gupta S, Kumar P, Smruti BK, Goel V, Sarangi R, Gairola M, Aggarwal S, Parikh PM. Practical consensus recommendations regarding the management of hormone receptor positive early breast cancer in elderly women. South Asian J Cancer 2020; 7:123-126. [PMID: 29721478 PMCID: PMC5909289 DOI: 10.4103/sajc.sajc_117_18] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022] Open
Abstract
Breast cancer is a leading cause of death among women, and its incidence increases with age. Currently the treatment of breast cancer in older patients is almost identical to their younger counterparts. This expert group used data from published literature, practical experience and opinion of a large group of academic oncologists to arrive at these practical consensus recommendations for the benefit of community oncologists regarding the management of early breast cancer specifically in elderly women.
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Green L, Roberts N, Cooper J, Agarwal S, Brunskill SJ, Chang I, Gill R, Johnston A, Klein AA, Platton S, Rossi A, Sepehripour A, Stanworth S, Monk V, O'Brien B. Prothrombin complex concentrate vs. fresh frozen plasma in adult patients undergoing heart surgery - a pilot randomised controlled trial (PROPHESY trial). Anaesthesia 2020; 76:892-901. [PMID: 33285008 PMCID: PMC8246985 DOI: 10.1111/anae.15327] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 10/23/2020] [Indexed: 12/11/2022]
Abstract
There is equipoise regarding the use of prothrombin complex concentrate vs. fresh frozen plasma in bleeding patients undergoing cardiac surgery. We performed a pilot randomised controlled trial to determine the recruitment rate for a large trial, comparing the impact of prothrombin complex concentrate vs. fresh frozen plasma on haemostasis (1 h and 24 h post-intervention), and assessing safety. Adult patients who developed bleeding within 24 h of cardiac surgery that required coagulation factor replacement were randomly allocated to receive prothrombin complex concentrate (15 IU.kg-1 based on factor IX) or fresh frozen plasma (15 ml.kg-1 ). If bleeding continued after the first administration of prothrombin complex concentrate or fresh frozen plasma administration, standard care was administered. From February 2019 to October 2019, 180 patients were screened, of which 134 (74.4% (95%CI 67-81%)) consented, 59 bled excessively and 50 were randomly allocated; 25 in each arm, recruitment rate 35% (95%CI 27-44%). There were 23 trial protocol deviations, 137 adverse events (75 prothrombin complex concentrate vs. 62 fresh frozen plasma) and 18 serious adverse events (5 prothrombin complex concentrate vs. 13 fresh frozen plasma). There was no increase in thromboembolic events with prothrombin complex concentrate. No patient withdrew from the study, four were lost to follow-up and two died. At 1 h after administration of the intervention there was a significant increase in fibrinogen, Factor V, Factor XII, Factor XIII, α2 -antiplasmin and antithrombin levels in the fresh frozen plasma arm, while Factor II and Factor X were significantly higher in the prothrombin complex concentrate group. At 24 h, there were no significant differences in clotting factor levels. We conclude that recruitment to a larger study is feasible. Haemostatic tests have provided useful insight into the haemostatic changes following prothrombin complex concentrate or fresh frozen plasma administration. A definitive trial is needed to ascertain the benefits and safety for each.
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Quarterman C, Shaw M, Hughes S, Wallace V, Agarwal S. Anaemia in cardiac surgery - a retrospective review of a centre's experience with a pre-operative intravenous iron clinic. Anaesthesia 2020; 76:629-638. [PMID: 33150612 DOI: 10.1111/anae.15271] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 09/07/2020] [Indexed: 12/12/2022]
Abstract
Pre-operative anaemia is associated with higher rates of transfusion and worse outcomes, including prolonged hospital stay, morbidity and mortality. Iron deficiency is associated with significantly lower haemoglobin levels throughout the peri-operative period and more frequent blood transfusion. Correction of iron stores before surgery forms part of the first pillar of patient blood management. We established a pre-operative anaemia clinic to aid identification and treatment of patients with iron deficiency anaemia scheduled for elective cardiac surgery. We present a retrospective observational review of our experience from January 2017 to December 2019. One-hundred and ninety patients received treatment with intravenous iron, a median of 21 days before cardiac surgery. Of these, 179 had a formal laboratory haemoglobin level measured before surgery, demonstrating a median rise in haemoglobin of 8.0 g.l-1 . Patients treated with i.v. iron demonstrated a significantly higher incidence of transfusion (60%) compared with the non-anaemic cohort (22%) during the same time period, p < 0.001. Significantly higher rates of new requirement for renal replacement therapy (6.7% vs. 0.6%, p < 0.001) and of stroke (3.7% vs. 1.2%, p = 0.010) were also seen in this group compared with those without anaemia, although there was no significant difference in in-hospital mortality (1.6% vs. 0.8%, p = 0.230). In patients where the presenting haemoglobin was less than 130 g.l-1 , but there was no intervention or treatment, there was no difference in rates of transfusion or of complications compared with the anaemic group treated with iron. In patients with proven iron deficiency anaemia, supplementation with intravenous iron showed only a modest effect on haemoglobin and this group still had a significantly higher transfusion requirement than the non-anaemic cohort. Supplementation with intravenous iron did not improve outcomes compared with patients with anaemia who did not receive intravenous iron and did not reduce peri-operative risk to non-anaemic levels. Questions remain regarding identification of patients who will receive most benefit, the use of concomitant treatment with other agents, and the optimum time frames for treatment in order to produce benefit in the real-world setting.
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Abstract
Introduction With a higher proportion of young individuals undergoing uncemented hip arthroplasty, a close match in the dimension of the proximal femur and the implanted prosthesis is paramount. This is a study to gain insight into geographical variation in proximal femur morphology to determine the reference values to design uncemented femoral stems for a south Indian population, and also the effect of ageing and gender on the proximal femur morphology. Materials and Methods The study comprised of two groups. For the first group, 50 unpaired dry femur bones were obtained from adult human cadavers; and the second group was a clinical group of 50 adult patients. Standardised radiographic techniques were used to measure the extra-cortical and intra-cortical morphometric parameters. Based on these, dimensionless ratios were calculated to express the shape of the proximal femur. The data were expressed in terms of mean and standard deviation and a comparison made with other studies. Results A significant difference was noted across various population subsets within the Indian subcontinent and also in comparison to the Western population, suggestive of regional variation. The measurements made in cadaveric bone differed significantly from those in live patients, especially the femoral head diameter and extra-cortical and intra-cortical width. Femoral offset, head height and diameter were significantly less in females. Conclusion The south Indian population needs customised implants with an increase in neck shaft angle and a decrease in intra-cortical and extra-cortical width for press fit in hip arthroplasty. The variation between the two sexes must also be accounted for during prosthesis design.
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Klein A, Agarwal S, Cholley B, Fassl J, Griffin M, Kaakinen T, Mzallassi Z, Paulus P, Rex S, Siegemund M, van Saet A. A European survey of patient blood management practice in cardiac surgery. J Cardiothorac Vasc Anesth 2020. [DOI: 10.1053/j.jvca.2020.09.019] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
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Cibelli M, White J, Singh H, Vivona L, Agarwal S, Metha R, Oelofse T, Duncan F, Kapur S, Morgese C, Brodier E, Midgley-Hunt A, Veenith T, Smith FG. A novel ultrasound-guided pectoralis-intercostal rectus-sheath (PIRS) block for the management of chest wall analgesia after cardiac surgery: a prospective hospital-based cross-sectional control study. J Cardiothorac Vasc Anesth 2020. [DOI: 10.1053/j.jvca.2020.09.038] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
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Nandhra S, Chau M, Klein AA, Yeates JA, Collier T, Evans C, Agarwal S, Richards T. Preoperative anaemia management in patients undergoing vascular surgery. THE BRITISH JOURNAL OF SURGERY 2020; 107:1558-1561. [PMID: 32996596 DOI: 10.1002/bjs.12041] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Subscribe] [Scholar Register] [Received: 02/28/2020] [Revised: 06/25/2020] [Accepted: 08/10/2020] [Indexed: 11/06/2022]
Abstract
CAVIAR is a multicentre prospective stepped observational study encompassing 160 patients undergoing vascular intervention. The aim was to identify whether it was feasible to establish a preoperative anaemia pathway and, if so, the efficacy of intravenous iron for treatment of preoperative anaemia. Large barriers prevented implementation of an intravenous iron pathway, with only ten patients receiving intravenous iron and a small increase in haemoglobin level (mean 5·7 (95 per cent c.i. 4·5 to 6·9) g/l). Preoperative anaemia was associated with a longer hospital stay and greater transfusion requirement. Anaemia common and dedicated pathway difficult to instigate.
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Jethwani P, Saboo B, Jethwani L, Kesavadev J, Kalra S, Sahay R, Agarwal S, Hasnani D. Management of children and adolescents having type 1 diabetes during COVID-19 pandemic in India: challenges and solutions. Int J Diabetes Dev Ctries 2020; 40:335-339. [PMID: 32952333 PMCID: PMC7490475 DOI: 10.1007/s13410-020-00865-w] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/24/2020] [Accepted: 08/19/2020] [Indexed: 01/09/2023] Open
Abstract
Purpose Type 1 diabetes (T1D) requires a holistic approach and continuous care. The current COVID-19 pandemic has made the health care professionals realise its challenges even more ardently than in the normal times. In a country like India with its huge population burden and a significant number of people having T1D, the risk of COVID-19 in people having T1DM is considerably high. Methods In this article, we are sharing our practical experiences of problems faced by children and adolescents having T1DM during the past 2 months of lockdown. Results We have classified the challenges into 3 broad categories based on diabetes self-management, healthcare system and psychosocial aspects. We have tried to provide precise, comprehensive and region specific solutions to these challenges. Solutions briefly include maintaining the supply chain of essentials like insulin, syringes and glucose meter strips to psychological support, financial aid and support for hospitalization in case of COVID-19 itself or diabetes complications including diabetic ketoacidosis. Conclusions Children and adolescents having T1DM require special care and attention during this period of COVID-19 pandemic because of various challenges as discussed. Our proposed solutions may help them overcome these problems and help them in better diabetes management during such emergency situations.
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Agarwal S, Verma S, Kothiwal K, Verma N, Vishvakarma K. Local solutions by slum communities to deal with summer water scarcity: Learning from Indore, India. Eur J Public Health 2020. [DOI: 10.1093/eurpub/ckaa166.150] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Abstract
Abstract
Issue
Government of India's, NITI Aayog reports that 600 million people in India face extreme water stress. Slums and similarly vulnerable urban populations face huge challenges in accessing water for basic needs, increasing in summers. Indore is an extreme water stressed city in India.
Methods
During Urban Health Resource Centre's (UHRC) program work in slums, including women's groups UHRC forms and trains in 2018 we learnt of acute water scarcity in summers. Women in 16 slums were motivated to evolve and implement possible solutions. Most slum dwellers provide services on low wages to the city. With public bore-wells drying-up, in Feb.- May 2019 UHRC helped women's groups' submit community requests, reminders to elected ward representatives and Municipal offices for free water tankers. UHRC motivated slum families to collectively negotiate with private providers to reduce cost, systematise water supply for more families. In 4 peri-urban slums we strengthened water access relationship between farmers and slum dwellers.
Results
During Feb.-May 2019 10 of the 16 slums received free water tankers from Municipal Corporation. More population of 4 peri-urban slums accessed water from farmer's tube-well. Slum families evolved coping mechanisms of storing more general use water in underground tanks or many cans. Families with larger storage shared water with needy families demonstrating social cooperation.
Lessons
Trained and mentored slum women's groups gently negotiating with elected ward-level politicians and municipal officials helps in provision of free water tankers in summers. This strategy to get govt. water supply in slums is adaptable in fast growing Indian cities. Owing to geographical proximity, rural-urban cooperation can help slums in city's fringes obtain water from farmer tube-wells used for irrigation. Fostering community cooperation helps more needy families get water.
Key messages
Slum communities develop local mechanisms to access and store water which need to be understood by civil society organisations and Government to improve solutions for water supply in summer months. Slum women emerge as dynamic actors to improve the lives of both women and men (Sen, 2000). In this case women help negotiate for and foster community cooperation for water, store more water.
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Halkur Shankar S, Agarwal S, Ray A, Meena VP, Ranjan P, Vikram NK. Multiple myeloma with intracranial plasmacytoma. QJM 2020; 113:670-671. [PMID: 32031633 DOI: 10.1093/qjmed/hcaa022] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/26/2020] [Indexed: 11/13/2022] Open
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Fulgoni V, Agarwal S. Nutritional Impact of Mushrooms in US Diet: A Dietary Modeling Study Using NHANES 2011-2016 Data. J Acad Nutr Diet 2020. [DOI: 10.1016/j.jand.2020.06.087] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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Morschhauser F, McKay P, Salles G, Stacchiotti S, Schwartz G, Tilly H, Zauderer M, Fennell D, Jones R, Schöffski P, Phillips T, Chaidos A, Villalobos V, Demetri G, Cote G, Sierra L, Yang J, Slatcher P, Agarwal S, Gounder M. 1639P Integrated safety analysis of tazemetostat (TAZ) 800 mg BID in adult patients (pts) with hematologic and solid tumors. Ann Oncol 2020. [DOI: 10.1016/j.annonc.2020.08.1865] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022] Open
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Agarwal S, Verma S, Verma N, Kothiwal K. Assessing and implementing practical ways to address slum health determinants: Learning from India. Eur J Public Health 2020. [DOI: 10.1093/eurpub/ckaa165.711] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Abstract
Abstract
Issue
There is a need for adaptable/scalable methods to understand environmental determinants of health and well-being in slums of LMIC cities. Catalysing grassroots actions to reduce health inequalities is needed with strong community leadership in slums.
Methods
Conducted in 2016-2017 in Indore (3 m population), India this practice undertakes qualitative health assessments using simple, actionable indicators with community knowledge and prioritizes solutions. Participatory neighbourhood level assessment of sewerage, toilets, garbage disposal and water supply by slum women was done using three colour scale: red for poor condition, yellow for moderate condition and green for good condition across 24 slums. Since slum women live these challenges daily, they can assess conditions. A qualitative adaptation of WHO's Urban HEART, this practice seeks to learn how slum women assess conditions, implement actions for improvement of slum environment.
Results
Context responsive actions included submitting community petitions and reminders to Municipal authorities by slum women to repair sewerage lines, construct toilets, increase regularity of garbage collection and improve public water supply in slums. Of 24 slums assessed in 2016, 6 were designated as “red”, 14 as “yellow” and 4 as “green” on condition of toilets and sewerage. On garbage disposal and water supply, 8 slums were designated as “red”, 10 as “yellow” and 6 as “green”. With coordination with Municipal authorities in 2017, slums on “red” reduced to 3 in each group, those assessed as “green” increased to 10 with improved conditions.
Lessons
This approach helps slum communities to assess problems and implement solutions. The methodology is simple, low-cost, easily understood by less educated, academics, policy makers and uses community wisdom. It is adaptable for NGOs, relevant policies/guidelines in LMIC cities. This collective community health assessment directly catalyses demand side action.
Key messages
Collective efficacy is a group’s shared belief in its ability to utilize information, pursue actions to overcome obstacles accomplishing a valued goal. This method is key to replicate this practice. People’s efforts to bring public services to the slums through collective action can reduce urban health inequality.
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Erdoes G, Koster A, Ortmann E, Meesters MI, Bolliger D, Baryshnikova E, Martinez Lopez De Arroyabe B, Ahmed A, Lance MD, Ranucci M, von Heymann C, Agarwal S, Ravn HB. A European consensus statement on the use of four-factor prothrombin complex concentrate for cardiac and non-cardiac surgical patients. Anaesthesia 2020; 76:381-392. [PMID: 32681570 DOI: 10.1111/anae.15181] [Citation(s) in RCA: 29] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 06/12/2020] [Indexed: 02/06/2023]
Abstract
Modern four-factor prothrombin complex concentrate was designed originally for rapid targeted replacement of the coagulation factors II, VII, IX and X. Dosing strategies for the approved indication of vitamin K antagonist-related bleeding vary greatly. They include INR and bodyweight-related protocols as well as fixed dose regimens. Particularly in the massively bleeding trauma and cardiac surgery patient, four-factor prothrombin complex concentrate is used increasingly for haemostatic resuscitation. Members of the Transfusion and Haemostasis Subcommittee of the European Association of Cardiothoracic Anaesthesiology performed a systematic literature review on four-factor prothrombin complex concentrate. The available evidence has been summarised for dosing, efficacy, drug safety and monitoring strategies in different scenarios. Whereas there is evidence for the efficacy of four-factor prothrombin concentrate for a variety of bleeding scenarios, convincing safety data are clearly missing. In the massively bleeding patient with coagulopathy, our group recommends the administration of an initial bolus of 25 IU.kg-1 . This applies for: the acute reversal of vitamin K antagonist therapy; haemostatic resuscitation, particularly in trauma; and the reversal of direct oral anticoagulants when no specific antidote is available. In patients with a high risk for thromboembolic complications, e.g. cardiac surgery, the administration of an initial half-dose bolus (12.5 IU.kg-1 ) should be considered. A second bolus may be indicated if coagulopathy and microvascular bleeding persists and other reasons for bleeding are largely ruled out. Tissue-factor-activated, factor VII-dependent and heparin insensitive point-of-care tests may be used for peri-operative monitoring and guiding of prothrombin complex concentrate therapy.
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Agarwal S, Laycock HC. The debate ROTEMs on - the utility of point-of-care testing and fibrinogen concentrate in postpartum haemorrhage. Anaesthesia 2020; 75:1247-1251. [PMID: 32662889 DOI: 10.1111/anae.15193] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 06/15/2020] [Indexed: 11/29/2022]
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Kuzeva A, Dost S, Lams B, Agarwal S, Furmedge DS. Time-critical administration of corticosteroid rescue therapy for COVID-19 pneumonitis in a ward-based patient with chronic obstructive pulmonary disease. Br J Hosp Med (Lond) 2020; 81:1-4. [PMID: 32730151 DOI: 10.12968/hmed.2020.0372] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/15/2023]
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Agarwal S, Liedke MO, Jones ACL, Reed E, Kohnert AA, Uberuaga BP, Wang YQ, Cooper J, Kaoumi D, Li N, Auguste R, Hosemann P, Capolungo L, Edwards DJ, Butterling M, Hirschmann E, Wagner A, Selim FA. A new mechanism for void-cascade interaction from nondestructive depth-resolved atomic-scale measurements of ion irradiation-induced defects in Fe. SCIENCE ADVANCES 2020; 6:eaba8437. [PMID: 32832684 PMCID: PMC7439404 DOI: 10.1126/sciadv.aba8437] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 01/10/2020] [Accepted: 06/16/2020] [Indexed: 06/11/2023]
Abstract
The nondestructive investigation of single vacancies and vacancy clusters in ion-irradiated samples requires a depth-resolved probe with atomic sensitivity to defects. The recent development of short-pulsed positron beams provides such a probe. Here, we combine depth-resolved Doppler broadening and positron annihilation lifetime spectroscopies to identify vacancy clusters in ion-irradiated Fe and measure their density as a function of depth. Despite large concentrations of dislocations and voids in the pristine samples, positron annihilation measurements uncovered the structure of vacancy clusters and the change in their size and density with irradiation dose. When combined with transmission electron microscopy measurements, the study demonstrates an association between the increase in the density of small vacancy clusters with irradiation and a remarkable reduction in the size of large voids. This, previously unknown, mechanism for the interaction of cascade damage with voids in ion-irradiated materials is a consequence of the high porosity of the initial microstructure.
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