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Background: Cutaneous mucormycosis has shown a significant upsurge during the COVID-19 pandemic. Due to the rapid progression and high mortality of cutaneous mucormycosis in this context, it is important to identify it early. However, very few studies report detailed clinical descriptions of cutaneous mucormycosis in COVID-19 patients. Objectives: To describe mucocutaneous lesions of COVID-19-associated mucormycosis based on clinical morphology and attempt to correlate them with radiological changes. Methods: A retrospective cross-sectional study was conducted at a tertiary care centre from 1st April to 31st July 2021. Eligibility criteria included hospitalised adult patients of COVID-19-associated mucormycosis with mucocutaneous lesions. Results: All subjects were recently recovering COVID-19 patients diagnosed with cutaneous mucormycosis. One of fifty-three (2%) patients had primary cutaneous mucormycosis, and all of the rest had secondary cutaneous mucormycosis. Secondary cutaneous mucormycosis lesions presented as cutaneous-abscess in 25/52 (48%), nodulo-pustular lesions in 1/52 (2%), necrotic eschar in 1/52 (2%) and ulcero-necrotic in 1/52 (2%). Mucosal lesions were of three broad sub-types: ulcero-necrotic in 1/52 (2%), pustular in 2/52 (4%) and plaques in 1/52 (2%). Twenty out of fifty-two patients (38%) presented with simultaneous mucosal and cutaneous lesions belonging to the above categories. Magnetic resonance imaging of the face showed variable features of cutaneous and subcutaneous tissue involvement, viz. peripherally enhancing collection in the abscess group, “dot in circle sign” and heterogeneous contrast enhancement in the nodulo-pustular group; and fat stranding with infiltration of subcutaneous tissue in cases with necrotic eschar and ulcero-necrotic lesions. Limitations: The morphological variety of cutaneous mucormycosis patients in a single-centre study like ours might not be very precise. Thus, there is a need to conduct multi-centric prospective studies with larger sample sizes in the future to substantiate our morphological and radiological findings. Conclusions: COVID-19-associated mucormycosis patients in our study presented with a few specific types of mucocutaneous manifestations, with distinct magnetic resonance imaging findings. If corroborated by larger studies, these observations would be helpful in the early diagnosis of this serious illness.
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Rhino-orbito-cerebral mucormycosis (ROCM) is the most commonly noted form of mucormycosis, which is the most common secondary fungal infection following severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) infection. Osteomyelitis is one of the rare sequelae of ROCM, frontal osteomyelitis being the rarest. We present four patients of coronavirus disease 2019 (COVID-19)-associated mucormycosis, who presented with frontal bone osteomyelitis after being treated for ROCM surgically and medically. This is the first case series highlighting this complication in post–COVID-19 mucormycosis patients and needs utmost attention as it can be life-threatening and can cause extreme facial disfiguration. All four patients are alive with salvage of the affected globe and vision being preserved in one patient. If identified early, disfiguration of face and intracranial extension can be avoided.
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Purpose: The aim of this study was to report the outcomes of panophthalmitis and to identify factors significantly affecting globe survival in the disease. Methods: This was a retrospective study on patients with panophthalmitis in a tertiary hospital between January 1, 2017, and December 31, 2019. The demographics, treatment details, culture results, and final outcomes were recorded. Logistic regression and Cox proportional hazards (CPH) were calculated to identify variables associated with globe loss. A P < 0.05 was considered significant. Results: Eighty?five eyes of 85 patients (31 culture positive) were eligible for review. The mean age of the participants was 55.21 ± 20.17 years with a male?to?female ratio of 2.04:1. Corneal ulcer (38.82%; n = 33) and open globe injuries (OGIs) (38.82%; n = 33) were the most common etiologies. Pseudomonas aeruginosa (n = 10; 11.76%) was the most common isolate. The mean duration of hospital stay was 7.58 ± 2.32 days. Overall, 44 (51.76%) globes could be salvaged. The need for evisceration (P = 0.901) and hospital stays (P = 0.095) were similar for culture?positive and ?negative cohorts. The unadjusted logistic regression and CPH models showed that culture sterility did not affect globe survival [OR = 1.210 (0.501– 2.950), P = 0.668; HR = 1.176 (0.617–2.243), P = 0.623]. The adjusted logistic regression and the CPH models showed that corneal ulcers [OR = 10.900 (2.460–48.200), P = 0.002; HR = 5.393 (1.603–18.140), P = 0.006] and OGI [OR = 7.360 (1.650–32.700), P = 0.009; HR = 4.548 (1.321–15.660), P = 0.016] were significantly associated with globe loss. Conclusion: Corneal ulcer or OGI as the primary etiology is detrimental to globe survival in panophthalmitis.
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Every human being, from birth to death, is inevitably accompanied by the dominant emotion of fear. It starts when we perceive a physical or emotional threat to our life that poses a variety of risks. The customer was structurally exposed to the dread that is present in the possibility of impending infection, per the research findings at the period of "lockdown" (average score = 4.26; standard deviation = 0.865; relative standard deviation = 22.3%). Evidently, all people have a deep-seated dread of COVID-19 infection, which manifests as conscious and unconscious anxieties and phobias that influence purchases, but it can also be a helpful defence mechanism that prevents us from dying before our time. According to respondents, existential insecurity and imbalance are the root causes of fear during a pandemic (average score = 4.57, standard deviation = 1.41, and relative deviation = 21.8%). Additionally, fear was defined for the purposes of this study as an unpleasant, uncomfortable feeling related to a current or potential COVID-19 threat that increases intake in both men and women. Because the specific elements of the threat affect the emotional reaction, the perception of risk and danger, and the consumption of dietary supplements, it is crucial to consider the peculiarities of the threat of coronavirus infection. This is confirmed by the finding that 75% of respondents reported their use of dietary supplements has increased since the pandemic's beginning
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Mental health of people in India is becoming a growing concern. Most mental health problems diagnosed in adulthood begin in adolescence. In the context of the Covid-19 pandemic, the concept of resilience gained momentum and deserves special attention. Resilience is a vital skill for navigating life's ups and downs. Resilience is a major and significant asset which adolescents need to combat the adversities and the toll these stressful experiences have on their well-being and mental health. Thus, it is important to explore and understand the resilience among the adolescents. The current paper aims to study the resilience of adolescents with respect to gender, type of family and birth order. The sample comprised of 47 adolescents (13-15 years of age) of Mumbai Metropolitan Region. Data was collected using a researcher made tool. The findings revealed that resilience of adolescents does not vary on the basis of gender, type of family and birth order. Thus, it can be concluded that gender, type of family and birth order has no effect on resilience of adolescents.
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The term 揷old agglutinin (CA)� refers to a group of disorders caused by anti?erythrocyte autoantibodies that preferentially bind RBCs at cold temperatures (4癈�癈). CAs contribute to 10 to 15% of autoimmune hemolytic anemia. We report a case of CAs diagnosed intraoperatively during emergency mitral valve replacement.
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Introduction : Early Clinical Exposure is a teaching learning method which enables student to learn basic sciences effectively and retain the information which bene?ts patient and promotes better patient care. Hundred students selected after applying inclusion exclusion criteria divided into 2 groups A and B taught Methodology : basal ganglia and thyroid physiology in conventional method and other in ECE integrated method respectively and after interchanging groups, demonstrating the clinical features of parkinsonism and hypothyroidism for ECE group. A pretest and post-test were conducted preceding and following lecture in both settings. The results obtained were interpreted using Results : excel. The mean of pre-test marks for Traditional teaching and ECE integrated teaching are 5.62±2.42 and 4.58±2.33 respectively and the post-test scores of Traditional and ECE teaching are 10.62±2.52 and 12.8±2.46 respectively. Discussion : Majority considered that the synchronisation of classroom learning with clinical experiences was bene?cial, and the majority believed that integrated teaching improved understanding of the practical applications of physiology. Through Conclusion : this study we conclude that ECE integrated teaching is more effective in imparting knowledge in ?rst MBBS students as the gap of imagination was bridged by live demonstration with help of patient which is re?ected in the Likert scale and in the scores. Though the ECE integration is a tough job for the teacher, it is a great learning tool for students.
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Background : The aim of this study is to determine the distribution and nature of Cranial MRI findings in eclamptic patients, and to correlate them with clinical and laboratory data. Materials and Methods : This study was conducted in the Department of Obstetrics and Gynecology in Sri Ramachandra Institute of Higher Education and Research. A total number of 35 Eclamptic patients were included in this study and they were analyzed retrospectively. Laboratory parameters, Blood Pressure and Cranial MRI was performed for all and the same were analyzed statistically. Results : Out of 35 Eclamptic patients, MR Imaging was normal in 6 patients. Among the 29 patients with abnormal MRI, Cortical-subcortical Lesion, appeared iso/hypo-intense in T-1 weighted images and hyper intense in T-2 weighted images. In most of the patients, occipital lobe was involved followed by involvement of other lobes such as Parietal, Frontal, Temporal, Basal Ganglia and Cerebellum. When patients with and without positive MRI findings were compared regarding clinical features such as Headache, Blurred Vision, Nausea and Vomiting, Epigastric Pain, Loss of Consciousness, Reduced Urine Output there was no statistically significant difference between the two groups. Similarly, there was no statistical difference in mean arterial pressures between MRI positive and MRI negative patients (p=0.218) however, it was found that those with MR imaging positive features had a higher Blood Pressure than those with MRI negative findings. Among the laboratory parameters, in the patients with abnormal MRI findings Fibrinogen was found to be significantly low than those with normal MRI findings (p=0.0002).
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Purpose: Prolonged postoperative topical corticosteroids are commonly given after pediatric cataract surgery to control inflammation. This study was undertaken to compare the efficacy, safety, and compliance of postoperative topical steroids and adjunctive intracameral (I/C) triamcinolone acetonide (tricort) and posterior subtenon (PST) triamcinolone in modulating postoperative inflammation after surgery. Methods: Forty?eight eyes of children with pediatric cataract between the ages of 5 and 10 years were randomized into three equal groups (T, I, S) before surgery. Group T received postoperative topical 1% prednisolone tapered over 4 weeks; Group I received adjunctive intraoperative I/C 1.2 mg/0.03 ml tricort and topical 1% prednisolone for 2 weeks postoperatively, and Group S received a single 0.5 ml (40 mg/ ml) PST tricort without topical steroids. Signs of inflammation, intraocular pressure (IOP), and central corneal thickness were assessed at day 1, week 1, week 3, week 6, and week 12 postoperatively with optical coherence tomography (OCT) macula to rule out cystoid macular edema at the sixth and 12th weeks postoperatively. Results: Posterior synechiae were present in two eyes out of 16 in groups T and I, which resolved. Severe anterior chamber cells were present in four eyes out of 16 in group T, in two eyes in group I, and in one eye in group S, which resolved. All groups had comparable pre? and postoperative IOP. Conclusion: In pediatric cataracts, outcomes were better with PST tricort and the adjunctive I/C tricort compared to postoperative topical prednisolone, for modulating postoperative inflammation
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The study aimed to reveal the phytochemical profile, free radical scavenging potential, and anticancer activity of Solanum lycopersicum L. leaf extract (SLLE). According to the study, SLLE contains plant secondary metabolites that are beneficial for health, like phenolics, flavonoids, ascorbic acid, alkaloids, and terpenoids. The SLLE has shown potential free radical scavenging potential in DPPH and ABTS free radical scavenging analysis and its EC50 values (concentration required to inhibit 50% of free radicals) were determined as 481.29 ± 33.82 and 527.56 ± 20.34 µg/mL, respectively. The SLLE has the ability to scavenge free radicals and could be used to treat illnesses brought on by oxidative stress. The anticancer activity of SLLE was assessed by MTT, LDH, micro-morphological, live/dead dual staining, and caspase-3 analysis. In the MTT assay, the IC50 value (concentration required to inhibit 50% of cell viability) of SLLE was determined as 190.41 ± 4.77 µg/mL. Furthermore, SLLE has shown potential anticancer activity by adversely affecting the plasma membrane integrity and escalating the caspase-3 levels. In the biomedical field, SLLE could be highly useful to treat cancer.
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Background/Aims@#Primary sclerosing cholangitis (PSC) represents the most common hepatobiliary extraintestinal manifestation of inflammatory bowel disease (IBD), including ulcerative colitis (UC) and Crohn’s disease (CD). Limited data exist on PSC in patients with IBD from India. We aimed to assess the prevalence and disease spectrum of PSC in Indian patients with IBD. @*Methods@#Database of IBD patients at 5 tertiary care IBD centers in India were analyzed retrospectively. Data were extracted and the prevalence of PSC-IBD was calculated. @*Results@#Forty-eight patients out of 12,216 patients with IBD (9,231 UC, 2,939 CD, and 46 IBD unclassified) were identified to have PSC, resulting in a prevalence of 0.39%. The UC to CD ratio was 7:1. Male sex and pancolitis (UC) or colonic CD were more commonly associated with PSC-IBD. The diagnosis of IBD preceded the diagnosis of PSC in most of the patients. Majority of the patients were symptomatic for liver disease at diagnosis. Eight patients (16.66%) developed cirrhosis, 5 patients (10.41%), all UC, developed malignancies (3 colorectal cancer [6.25%] and 2 cholangiocarcinoma [4.16%]), and 3 patients died (2 decompensated liver disease [4.16%] and 1 cholangiocarcinoma [2.08%]) on follow-up. None of the patients mandated surgical therapy for IBD. @*Conclusions@#Concomitant PSC in patients with IBD is uncommon in India and is associated with lower rates of development of malignancies.
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Background: Caudal block is one of the most popular regional block in children with high success rate for infra-umbilical surgeries. Among local anaesthetics ropivacaine provides a greater margin of safety, less motor blockade, less neurological and cardiac toxicity and similar duration of analgesia compared to bupivacaine. Addition of dexamethasone as an additive to local anesthesia decreases the postoperative rescue analgesia consumption.This study was designed to compare the effectiveness of intra-operative and postoperative analgesia on adding dexamethasone to 0.15% ropivacaine with 0.15%ropvacaine given alone. A prospective double blinded Materials: randomised controlled study was conducted consisting of 60 patients undergoing infra-umbilical surgeries under general anesthesia with Caudal block. Patients were randomised into two groups. Group A received 0.15% Inj.ropivacaine 1.5ml/kg with 1ml normal saline and Group B received 0.15% Inj.Ropivacaine 1.5ml/kg with 0.1mg/kg Inj.dexamethasone in caudal block Mean FLACC pain score was comparable and statistically not signi?cant (P=0.083) in both groups upto 30min Results: postoperatively. At 60min mean pain score in group A was 0.30 ± 0.54 and in group B was 0 (P=0.005) which was statistically signi?cant. In group A 40%(12) patients required rescue analgesia whereas in group B only 10%(3) patients required analgesia(P= 0.007) Patients remained hemodynamically stable throughout the procedure. After 60min Conclusion: postoperatively FLACC score was signi?cantly higher in group A as compared to group B. It concludes that addition of dexamethasone signi?cantly reduced postoperative pain and need for rescue analgesia without any side effects.
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Introduction: Vitamin D deficiency and Obesity are the two prevailing health issues of the globe, with India being no excep?on. The sub op?mal Vitamin D levels is associated with an elevated risk of a number of chronic disorders including malignancy, inflamma?on and autoimmune diseases. Obesity breeds metabolic disharmony. Recent data reports Vitamin D deficiency being more prevalent among the obese. Objec?ve: This study is undertaken to see the associa?on of Vitamin D levels with Body Mass Index (BMI), Lipid parameters and Insulin resistance in a sample popula?on represen?ng the urban Indian youth. Materials and Method: Fi?y five apparently healthy young adults of 18 to 22 years age were recruited in this study and their serum 25-hydroxycholecalciferol(25OHD), serum insulin, Total Cholesterol, High Density lipoproteincholesterol (HDL-c), Low Density lipoprotein- cholesterol (LDL-c) and Triglyceride (TGL) levels were es?mated. Insulin resistance(IR) was derived using the Homeostasis Model Assessment equa?on. Based on BMI, the par?cipants were divided into Obese group with BMI ? 25 (n=21) and nonobese group with BMI < 25 (n=34). Result: 25OHD levels were almost same in both Groups (Obese11.1 ± 4.6 ng/ml and non-obese 11.0 ± 5.2 ng/ml). Serum total cholesterol, VLDL and insulin levels were significantly increased in the Obese group(p= 0.005, p= 0.015 and p=0.054 respec?vely) when compared to the non-obese group. We found sta?s?cally significant associa?on between 25-hydroxycholecalciferol (25OHD) and TGL/HDL ra?o in the Obese group. Conclusion: In this pilot study we have unravelled the subtle onset of metabolic derangement in Obese individuals with Vitamin D deficiency.
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Type 2 Diabetes Mellitus (T2DM) is a highly prevalent cardiometabolic disorder in India and is further projected to rise (10.4% by 2030). In newly diagnosed patients, maintaining HbA1c 6.5-7.0% and minimizing glycaemic exposure, particularly during the first year following diagnosis, may be crucial for preventing complications. Early treatment initiation with a synergistic combination of vildagliptin and metformin is one of the many possible combinations to manage type 2 diabetes mellitus. In view of emerging clinical evidence on early initiation of combination therapy than monotherapy with metformin, there is a need for expert consensus on the use of the current approved Fixed Dose Combination (FDC) of Metformin SR + Vildagliptin IR in newly diagnosed diabetic patients. Experts framed final consensus statements based on available scientiûc evidence, experience and collective clinical judgment from practical experience this FDC.
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ABSTRACT Background: Advanced achalasia cardia (AC) represents the end stage in the natural history of AC. Role of per oral endoscopic myotomy (POEM) in this technically difficult subset is emerging. Methods: Retrospective review of the patients who had undergone POEM for advanced AC with sigmoid esophagus. We assessed the technical success, clinical success and adverse event rate. Pre and post POEM Eckardt score (ES), integrated relaxation pressure-4sec (IRP-4), lower oesophageal sphincter pressure (LESP) and height and width of barium column at 5 minutes were noted. Results: Of the 85 patients who underwent POEM for AC, 10 patients had advanced AC with sigmoid esophagus of which eight were sigmoid and two were advanced sigmoid. The clinical and technical success was 100% with significant reduction of ES, IRP-4, LESP and height and width of barium column at 5 minutes. One patient had a minor adverse event in the form of mucosal injury that was closed with hemoclips. At a median follow up of 17 months there was no recurrence. Conclusion: Our study demonstrates POEM to be a safe and effective modality of treatment in this technically difficult subset of AC with sigmoid morphology.
RESUMO Contexto: Acalasia cárdia avançada representa o estágio final na história natural do megaesôfago. Está emergindo o papel da miotomia endoscópica peroral (POEM) neste subconjunto tecnicamente difícil. Métodos: Foi realizada uma revisão retrospectiva dos pacientes submetidos a POEM para tratamento do megaesôfago avançado. Avaliamos o sucesso técnico, o sucesso clínico e a taxa de eventos adversos. O escore de Eckardt, pré e pós POEM, a pressão integral de relaxamento de 4 seg (IRP-4), a pressão do esfíncter inferior do esôfago e a altura e largura da coluna de bário em 5 minutos, foram anotadas. Resultados: Dos 85 pacientes submetidos a POEM para acalasia cárdia, 10 pacientes apresentaram acalasia cárdia avançado com esôfago com aspecto sigmoide, dos quais dois eram muito avançados. O sucesso clínico e técnico foi de 100% com redução significativa do escore de Eckardt, do IRP-4, da pressão do esfíncter inferior do esôfago e da altura e largura da coluna bário em 5 minutos. Um paciente teve um pequeno evento adverso na forma de lesão mucosa que foi fechada com hemoclipes. Em um seguimento mediano de 17 meses não houve recorrência. Conclusão: Nosso estudo demonstra que a POEM é uma modalidade segura e eficaz de tratamento neste subconjunto tecnicamente difícil de megaesôfago com morfologia sigmoide.
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Abstract Introduction Several studies have shown that efferent pathways of the auditory system improve perception of speech-in-noise. But, the majority of investigations assessing the role of efferent pathways on speech perception have used contralateral suppression of otoacoustic emissions as a measure of efferent activity. By studying the effect of efferent activity on the speech-evoked auditory brainstem response (ABR), some more light could be shed on the effect of efferent pathways on the encoding of speech in the auditory pathway. Objectives To investigate the relationship between contralateral suppression of transient evoked otoacoustic emission (CSTEOAE) and unmasking of speech ABR. Methods A total of 23 young adults participated in the study. The CSTEOAE was measured using linear clicks at 60 dB peSPL and white noise at 60 dB sound pressure level (SPL). The speech ABR was recorded using the syllable /da/ at 80 dB SPL in quiet, ipsilateral noise, and binaural noise conditions. In the ipsilateral noise condition, white noise was presented to the test ear at 60 dB SPL, and, in the binaural noise condition, two separate white noises were presented to both ears. Results The F0 amplitude of speech ABR was higher in quiet condition; however, the mean amplitude of F0 was not significantly different across conditions. Correlation analysis showed a significant positive correlation between the CSTEOAE and the magnitude of unmasking of F0 amplitude of speech ABR. Conclusions The findings of the present study suggests that the efferent pathways are involved in speech-in-noise processing.
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Purpose: To determine the diagnostic accuracy of manual regurgitation on pressure over the lacrimal sac (ROPLAS) versus lacrimal irrigation for screening nasolacrimal duct obstruction (NLDO) in adults prior to intraocular surgeries. Methods: This cross-sectional study took place in a tertiary eye care hospital in South Tamil Nadu, India. From January to December 2017 and included consecutive patients who presented for routine cataract surgery. Prospective data collection occurred in 8369 eyes of patients who underwent cataract surgery. All patients underwent ROPLAS testing by an ophthalmologist followed by lacrimal irrigation by trained ophthalmic assistants, rechecked or confirmed in equivocal cases by ophthalmologists who were masked to the ROPLAS status. The primary outcome, the sensitivity, specificity, positive, and negative predictive values to detect lacrimal occlusion by ROPLAS compared with lacrimal irrigation with 95% confidence intervals was estimated. Results: A total of 8369 eyes underwent cataract surgery during the time periods of the study. ROPLAS and lacrimal irrigation were performed in all eyes. The sensitivity of ROPLAS to diagnose NLDO correctly was 54.5% (95% CI, 44.8%�.9%) and its specificity was 100% (95% CI, 100%�0%). The positive and negative predictive values were 75.3% (95% CI, 65.6%-83.0%) and 99.4% (95% CI, 99.2%�.5%), respectively. Conclusion: We found that ROPLAS when used alone had very low sensitivity and low positive predictive value in detecting NLDO prior to cataract surgery as compared with lacrimal irrigation. Hence, we recommend performing ROPLAS and lacrimal irrigation in every patient as part of the routine preoperative workup prior to cataract surgery
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Landfills are considered the main option for dumping of municipal solid waste (MSW) all over the world, but these landfills are mostly non-engineered. The decomposition of solid waste in the landfill and rainwater penetration into the decomposing waste produces leachate that contains dissolved organic and inorganic compounds, heavy metals, suspended particles, and hazardous substances. Leachate migration in the environment may pose serious health risks to organisms exposed. Hence, the present study explored the cytotoxic potential of landfill leachate collected in different seasons from the Okhla landfill site, Delhi, India. Cytotoxicity of leachate samples was evaluatedby cell apoptosis and ultrastructural observation based on Transmission Electron Microscopy (TEM) of the cells of root tips of vicia faba seedlings treated with the leachates collected in summer, winter and monsoon in a time and dose dependent manner. Leachate collected in all the three seasons induced apoptosis in cells of root tips of vicia faba that increased in a time and dose dependent manner when compared to control. The apoptosis was highest in the samples treated with leachate collected in the summer season, followed by winter and monsoon. It was further confirmed with TEM images that there was induction of apoptotic-like morphological changes in the root cells treated with landfill leachate when compared with the control. The present study indicates that municipal solid waste leachate is very toxic and it should be treated before disposing it to the environment.
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Rasashastra is the Iatrochemistry of Ayurveda which deals with formulations containing herbals, minerals and metals. Various Kalpanas are mentioned in Rasashastra such as Pottali Kalpana, Kharaliya Kalpana, Parpati Kalpana. Dravaka Kalpana is one among them which is made out of predominately “Lavana- Kshara” Dravyas. Dravaka Kalpana is a liquid dosage form that is prepared either by using Agni or without the use of Agni. Shankha Dravaka is one such Dravaka Kalpana that is mentioned in the different classical texts. It is indicated in various diseases such as Gulma (abdominal lump), Shoola (pain), Yakrit Dosha (disorders of the Liver), Pliha (splenic disorders), Ashmari (calculus) etc. It is used in less dosage by diluting with water. Different Acharyas have mentioned different methods of its preparation. This article compiles review of Ayurvedic literature on Shankha Dravaka. This literature review is carried out to create the base for undertaking future research work because without research efficacy, the utility cannot be established