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Chandra H, Rahman A, Yadav P, Maurya G, Kumar Shukla S. Effect of adjunct Vitamin D treatment in vitamin D deficient pulmonary tuberculosis patients: A randomized, double blind, active controlled clinical trial. Indian J Tuberc 2024; 71:170-178. [PMID: 38589121 DOI: 10.1016/j.ijtb.2023.04.026] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/18/2023] [Revised: 04/15/2023] [Accepted: 04/28/2023] [Indexed: 04/10/2024]
Abstract
BACKGROUND Since, Vitamin D [1α,25(OH)2D)] enhances antimicrobial activity of Innate immunity and modulate Adaptive immune responses, simultaneously, so it play a potential role for balanced immune activity against Mycobacterium tuberculosis and restricting tissue injuries within the TB patients.(Chun et al., 2011) 9 We aimed to determine the role of adjunct Vitamin D treatment on the outcome of pulmonary tuberculosis patients and evaluated the effect of Vitamin D administration on Differential Leucocyte Count, Erythrocyte Sedimentation Rate, serum Adenosine deaminase, serum C- reactive protein, Oxygen saturation (SpO2) and Body Weight in Vitamin D deficient pulmonary tuberculosis patients. METHODS We conducted a prospective, interventional, randomized, double blind, parallel group, active controlled clinical trial. Newly diagnosed Vitamin D deficient pulmonary tuberculosis patients were randomly assigned to intervention group (received standard anti-tubercular treatment with adjunct Vitamin D3) and control group (received standard anti-tubercular treatment without adjunct Vitamin D3). Total four doses [each dose of 2.5 mg (100000 IU)] of Vitamin D3 were given, orally. First dose was given within 7 days of starting anti-tubercular treatment and second, third, fourth dose were given at 2, 4 and 6 weeks respectively. At the time of enrollment, we measured all baseline characteristics. During follow-up, we measured the study variables and monitored adverse events at 2, 4, 6, 8 and 12 weeks. Our safety parameter was serum corrected calcium level to assess the risk of hypercalcemia. RESULTS Total 130 pulmonary TB patients, 65 patients in each group, were analyzed. Our study results showed that decrease in Neutrophil count was statistically significant with small effect sizes at every time point of measurement and increase in Lymphocyte count was statistically significant with small and moderate effect sizes at 4, 6 and 8 week for intervention group than for control group. Decrease in erythrocyte sedimentation rate was statistically significant with small effect sizes at 6 and 8 week, decrease in serum adenosine deaminase and serum C- reactive protein was statistically significant with moderate effect sizes at 4, 6 and 8 week for intervention group than for control group. Increase in Oxygen saturation was statistically significant at 4 week with small effect size and increase in body weight was statistically significant with small effect sizes for intervention group than for control group. No case of hypercalcemia was reported. CONCLUSION Our findings suggest a potential role of adjunctive Vitamin D3 to accelerate resolution of inflammatory responses and improvement in clinical outcomes of pulmonary TB patients. TRIAL REGISTRATION This trial is registered with Clinical Trials Registry - INDIA (http://ctri.nic.in) with CTRI Number - CTRI/2021/11/037914. PLACE OF STUDY Room Number 27, first floor out-patients department (OPD) and inpatient Wards, fourth floor, Department of Respiratory Medicine, Uttar Pradesh University of Medical Sciences, Saifai, Etawah (U.P.), INDIA.
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Affiliation(s)
- Harish Chandra
- Department of Biochemistry, Academic Block, Uttar Pradesh University of Medical Sciences, Saifai, Etawah, (U.P), 206130, India.
| | - Adil Rahman
- Department of Biochemistry, Academic Block, Uttar Pradesh University of Medical Sciences, Saifai, Etawah, (U.P), 206130, India
| | - Prashant Yadav
- Department of Respiratory Medicine, Uttar Pradesh University of Medical Sciences, Saifai, Etawah, (U.P.), 206130, India
| | - Geeta Maurya
- Department of Pathology, Academic Block, Uttar Pradesh University of Medical Sciences, Saifai, Etawah, (U.P.), 206130, India
| | - Sushil Kumar Shukla
- Department of Community Medicine, Academic Block, Uttar Pradesh University of Medical Sciences, Saifai, Etawah, (U.P.), 206130, India
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Yadav P, Soni S, Kukrele R, Agarwal P, Sharma D. Duragen: A dermal substitute for the management of suboptimal wounds. Trop Doct 2024:494755241239090. [PMID: 38497140 DOI: 10.1177/00494755241239090] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/19/2024]
Abstract
Using a flap in a large wound with a very small area of exposed vital structures may be an excessive intrusion and cause unnecessary donor site morbidity. Dermal matrix (DuraGen) was applied onto critical areas where bone or tendons were exposed and a split skin graft was placed thereon. All patients had satisfactory wound closure without the need for a flap. DuraGen appears to be a safe, single-stage alternative, to a flap for the healing of complex wounds.
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Affiliation(s)
- Prashant Yadav
- Associate Professor, Department of Plastic Surgery, NSCB Government Medical College, Jabalpur, India
| | - Satyam Soni
- Senior Resident Department of Surgery, NSCB Government Medical College, Jabalpur, India
| | - Rajeev Kukrele
- Assistant Professor, Department of Plastic Surgery, NSCB Government Medical College, Jabalpur, India
| | - Pawan Agarwal
- Professor, Department of Plastic Surgery, NSCB Government Medical College, Jabalpur, India
| | - Dhananjaya Sharma
- Professor and Head, Department of Surgery, NSCB Government Medical College, Jabalpur, India
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Bajaj J, Verma S, Chaudhary V, Khandelwal N, Patidar J, Hedaoo K, Sinha M, Sharma M, Kukrele R, Bajaj D, Yadav N, Ratre S, Parihar VS, Yadav P, Agarwal P, Swamy MN, Yadav YR. Hyperselective Tibial Neurotomy for Relieving Spasticity and Restoring Motor Functions. Neurol India 2023; 71:1142-1145. [PMID: 38174447 DOI: 10.4103/0028-3886.391363] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2024]
Affiliation(s)
- Jitin Bajaj
- Department of Neurosurgery, Superspeciality Hospital, NSCB Medical College, Jabalpur, Madhya Pradesh, India
| | - Shashikant Verma
- Department of Neurosurgery, Superspeciality Hospital, NSCB Medical College, Jabalpur, Madhya Pradesh, India
| | - Vivek Chaudhary
- Department of Neurosurgery, Superspeciality Hospital, NSCB Medical College, Jabalpur, Madhya Pradesh, India
| | - Namrata Khandelwal
- Department of Neurology, Superspeciality Hospital, NSCB Medical College, Jabalpur, Madhya Pradesh, India
| | - Jayant Patidar
- Department of Neurosurgery, Superspeciality Hospital, NSCB Medical College, Jabalpur, Madhya Pradesh, India
| | - Ketan Hedaoo
- Department of Neurosurgery, Superspeciality Hospital, NSCB Medical College, Jabalpur, Madhya Pradesh, India
| | - Mallika Sinha
- Department of Neurosurgery, Superspeciality Hospital, NSCB Medical College, Jabalpur, Madhya Pradesh, India
| | - Mukesh Sharma
- Department of Neurosurgery, Superspeciality Hospital, NSCB Medical College, Jabalpur, Madhya Pradesh, India
| | - Rajeev Kukrele
- Department of Plastic Surgery, Superspeciality Hospital, NSCB Medical College, Jabalpur, Madhya Pradesh, India
| | - Diya Bajaj
- Department of Neuropathology, Superspeciality Hospital, NSCB Medical College, Jabalpur, Madhya Pradesh, India
| | - Nishtha Yadav
- Department of Neuroradiology, Superspeciality Hospital, NSCB Medical College, Jabalpur, Madhya Pradesh, India
| | - Shailendra Ratre
- Department of Neurosurgery, Superspeciality Hospital, NSCB Medical College, Jabalpur, Madhya Pradesh, India
| | - Vijay S Parihar
- Department of Neurosurgery, Superspeciality Hospital, NSCB Medical College, Jabalpur, Madhya Pradesh, India
| | - Prashant Yadav
- Department of Plastic Surgery, Superspeciality Hospital, NSCB Medical College, Jabalpur, Madhya Pradesh, India
| | - Pawan Agarwal
- Department of Plastic Surgery, Superspeciality Hospital, NSCB Medical College, Jabalpur, Madhya Pradesh, India
| | - M N Swamy
- Department of Neurosurgery, Superspeciality Hospital, NSCB Medical College, Jabalpur, Madhya Pradesh, India
| | - Y R Yadav
- Department of Neurosciences, Apex Hospital and Research Center, Jabalpur, Madhya Pradesh, India
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Yadav P, Mishra AK, Kumar A, Gupta AK, Gautam AK, Singh NP. Study the association between spirometry based functional grading and six minute walk distance in chronic respiratory disease patients at a rural tertiary care centre of India. Ann Afr Med 2023; 22:526-531. [PMID: 38358156 PMCID: PMC10775948 DOI: 10.4103/aam.aam_19_23] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/15/2023] [Revised: 05/12/2023] [Accepted: 05/15/2023] [Indexed: 02/16/2024] Open
Abstract
Introduction Six-min walk test (6MWT) is easy to use, the least expensive, and a quick measure of physical function and it reflects the capacity to perform our day-to-day activities hence quality of life can be assessed with 6MWT. This study was planned to assess the role of 6MWT in chronic respiratory disease patients and its association with spirometry-based functional grading at a rural tertiary care center of northern India. Materials and Methods This was a hospital-based cross-sectional study done between December 2019 and July 2021. In this study, 110 patients were included as per inclusion and exclusion criteria. 6MWT and spirometry were conducted as per the American Thoracic Society/European Research Society recommendation using Spiropalm 6MWT and the association between 6MWT and spirometry was assessed. Results A total of 110 chronic respiratory disease patients were included in the study. There were 69 (63%) males while 41 (37%) were females. Among study participants, chronic obstructive pulmonary disease patients were the most common 48 (43.6%) patients, followed by asthma 28 (25.5%), posttuberculosis sequelae patients 22 (20%), interstitial lung disease 9 (8.2%), and bronchiectasis 3 (2.7%) patients were found. There was a significant positive correlation of 6-min walk distance (6MWD) and % predicted 6MWD with spirometric parameters, forced expiratory volume in 1 s (FEV1), forced vital capacity (FVC) and there was a significant positive correlation of 6MWD with FEV1% (predicted) also. 6MWD and % predicted 6MWD negatively correlated with FEV1/FVC and association between 6MWD and FEV1/FVC was not statistically significant and between % predicted 6MWD and FEV1/FVC, it was found statistically significant. Conclusion The 6MWD traveled by chronic respiratory disease patients was significantly lower than the predicted 6MWD and 6MWD correlated with spirometric variables well. Therefore, it can conclude that 6MWT is a useful alternative of spirometry in the management of chronic respiratory disease patients in resource-limited settings.
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Affiliation(s)
- Prashant Yadav
- Department of Respiratory Medicine, UP University of Medical Sciences, Etawah, Uttar Pradesh, India
| | - Ajay Kumar Mishra
- Department of Respiratory Medicine, UP University of Medical Sciences, Etawah, Uttar Pradesh, India
| | - Adesh Kumar
- Department of Respiratory Medicine, UP University of Medical Sciences, Etawah, Uttar Pradesh, India
| | - Ashish Kumar Gupta
- Department of Respiratory Medicine, UP University of Medical Sciences, Etawah, Uttar Pradesh, India
| | - Aditya Kumar Gautam
- Department of Respiratory Medicine, UP University of Medical Sciences, Etawah, Uttar Pradesh, India
| | - Naresh Pal Singh
- Department of Community Medicine, UP University of Medical Sciences, Etawah, Uttar Pradesh, India
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Das IJ, Lim SN, Donnelly ED, Mittal BB, Yadav P. An Investigation of High-Z Material for Bolus in Electron Beam Therapy. Int J Radiat Oncol Biol Phys 2023; 117:e658-e659. [PMID: 37785952 DOI: 10.1016/j.ijrobp.2023.06.2092] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/04/2023]
Abstract
PURPOSE/OBJECTIVE(S) Electron beams are frequently used for superficial tumors including: primary skin cancers, surgical scars, cutaneous lymphomas and benign conditions like keloids. However, due to electron beam characteristics the surface dose is 75-95% of the prescribed dose depending on beam energy thus requiring placement of bolus to augment surface dose. Various types of boluses; wet gauge/towel, superflab, superstuff, aquaplast, 3D printed plastics, customized dot-decimal bolus, thermoshield, brass and tantalum wire mesh are commonly used in clinics with variable difficulties that are not perfect. As majority of these devices do not snug to the skin contour and create air-gap that is known to produce significant dose perturbations creating hot and cold spot. The variable dosimetry has cosmetic implications and potentially increased risk of recurrence. A new cloth-like high-Z materials; Tungsten, (Z = 74) and Bismuth, (Z = 83) impregnated with silicone gel are now commercially available which is investigated in this study for bolus purpose. MATERIALS/METHODS Commercially available, super soft silicone-gel based submillimeter thin Tungsten and Bismuth sheets were investigated for bolus properties in electron beams in the range of 6-12 MeV using 10x10 cm2 applicator. These materials were tested on various body contour for perfect snug without any air traps. Using parallel plate ion chamber measurements were performed in a solid water phantom on a medical linear accelerator machine. Depth dose characteristics were measured to optimize the thickness for surface dose to be 100% for selected electron therapy. RESULTS Surface dose for a 10x10 cm2 cone for 6, 9, 12 MeV beams were measured to be 75.1%, 80.1% and 86.2%, respectively. Silicone-gel Tungsten and Bismuth sheets produce significant electrons thus increasing surface dose. Based on measured depth dose, our data showed that Tungsten sheets of 0.14 mm, 0.18 mm and 0.2 mm and Bismuth sheets of 0.42 mm, 0.18 mm and 0.2 mm provide 100% surface dose for 6, 9 and 12 MeV beams, respectively without any changes in depth dose except increasing surface dose. CONCLUSION The new Tungsten and Bismuth based silicone-gel clothlike sheets are extremely soft but high tensile metallic bolus materials that can fit flawlessly on any skin contour without any air trap or variable thickness or spillage of the water as in conventionally used wet gauge. Only 0.2 mm thick sheets are needed for 100% surface dose without degradation of the depth dose characteristics. These materials are reusable and ideal for bolus in electron beam treatment. This investigation opens a new frontier in designing new bolus materials optimum for patient treatment.
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Affiliation(s)
- I J Das
- Department of Radiation Oncology, Northwestern University Feinberg School of Medicine, Chicago, IL
| | - S N Lim
- Northwestern Memorial Hospital, Northwestern University Feinberg School of Medicine, Chicago, IL
| | - E D Donnelly
- Department of Radiation Oncology, Northwestern University Feinberg School of Medicine, Chicago, IL
| | - B B Mittal
- Department of Radiation Oncology, Northwestern University Feinberg School of Medicine, Chicago, IL
| | - P Yadav
- Department of Radiation Oncology, Northwestern University Feinberg School of Medicine, Chicago, IL
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Khelashvili G, Mielke M, Murphy N, Donnelly ED, Yadav P, Mittal BB, Das IJ. Treatment of Mantle and Inverted Y Fields in Modern Era: A VMAT Approach. Int J Radiat Oncol Biol Phys 2023; 117:e471. [PMID: 37785499 DOI: 10.1016/j.ijrobp.2023.06.1679] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/04/2023]
Abstract
PURPOSE/OBJECTIVE(S) Hodgkin's lymphoma has been treated with combined modality therapy (chemotherapy and radiation) with a very high degree of success. Total Nodal Irradiation (TNI) performed with large AP/PA mantle fields for treatment of axillary, cervical, and mediastinal lymphatics, provide adequate coverage to the mediastinum and bilateral axillae and hila, while blocking lungs. The para-aortic and pelvic lymph nodes are treated with the so called inverted-Y AP/PA fields, which often includes the spleen in cases of TNI. Multileaf Collimators (MLC) have been tried, but due to the irregular shape of the fields and necessity of island blocking in 3D treatment, they have not been successful in full elimination of Cerrobend blocks. We hypothesize that using two or three matched Volumetric Modulated Arc Therapy (VMAT) fields will not only eliminate a need for Cerrobend blocks or island blocks, but will also provide better target coverage and better organs at risk (OAR) sparing. MATERIALS/METHODS Under IRB study, 10 patients were retrospectively planned using two or three matched VMAT technique for mantle and inverted-Y treatments of TNI that had been previously treated using MLC and Cerrobend block combination. Pinnacle treatment planning system version 16.2.1 was used to generate plans using mantle/inverted-Y technique and corresponding VMAT plans using 2-3 arcs per isocenter (2 isocenters per plan). Optimization was performed to cover targets with the prescribed dose of 1500 cGy in 10 fractions per institutional protocol. The VMAT plans were compared with traditional 3D plans. RESULTS VMAT consistently provided better or similar results to traditional field arrangements. Target coverage: V15Gy - 95.45% vs 77.99% (p = 0.00017), OAR coverage: total lung V5Gy 63.7% vs 68.8% (p = 0.016), bone marrow mean dose 539.1 cGy vs 727.8 cGy (p = 0.00047), Integral Dose 464.1 mJ vs 573.9 mJ (p = 0.0026). Low isodose lines- mean volume of 5 Gy isodose line was not significantly different - 24036 cc vs 25091 cc (p = 0.271). Cord maximum dose was 40% lower for VMAT plans (p = 0.00006). Mean bladder dose was similar in VMAT plans compared to 3D plan - 821.7 cGy vs 804.9 cGy (p = 0.454). One counter-intuitive result is that the mean integral dose for 10 patients was 24% lower for VMAT plans. CONCLUSION VMAT based mantle fields for TNI eliminates Cerrobend blocks and improve dosimetry significantly for target volumes and all OARs; including bone marrow, which plays important role in patient's recovery after chemotherapy, radiation and often stem cell transplantation in recurrent disease. Lower integral dose for VMAT plans is explained by the large irradiated in-fields and small out-of-field volumes. The VMAT process requires minimal effort for optimization and is economical compared to the traditional planning, while improving the target coverage and decreasing dose to OARs.
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Affiliation(s)
| | - M Mielke
- Northwestern Memorial Hospital, Chicago, IL
| | - N Murphy
- Northwestern Memorial Hospital, Chicago, IL
| | - E D Donnelly
- Department of Radiation Oncology, Northwestern University Feinberg School of Medicine, Chicago, IL
| | - P Yadav
- Department of Radiation Oncology, Northwestern University Feinberg School of Medicine, Chicago, IL
| | - B B Mittal
- Department of Radiation Oncology, Northwestern University Feinberg School of Medicine, Chicago, IL
| | - I J Das
- Department of Radiation Oncology, Northwestern University Feinberg School of Medicine, Chicago, IL
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Duan R, Kwan M, Kordon A, Hu C, Vanjani N, Thomas TO, Patel JD, Yadav P, Abazeed M, Gharzai LA. Stage IIIA Non-Small Cell Lung Cancer Treatment and Outcomes: A Single Institution Retrospective Analysis. Int J Radiat Oncol Biol Phys 2023; 117:e16. [PMID: 37784754 DOI: 10.1016/j.ijrobp.2023.06.681] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/04/2023]
Abstract
PURPOSE/OBJECTIVE(S) Treatment of locally advanced non-small cell lung cancer (NSCLC) remains challenging, with a multitude of treatment options available for Stage III patients. We hypothesized that Stage IIIA outcomes differ by treatment received. MATERIALS/METHODS We performed a retrospective review of NSCLC patients ≥18 years old with Stage IIIA disease treated 1/1/2010-03/01/2022. Demographics, treatment received, treatment outcomes, and failure patterns were collected. Progression-free survival (PFS) and overall survival (OS) were assessed using Kaplan-Meier analysis. Kruskal-Wallis ANOVA was used to compare groups. RESULTS Of 352 patients identified, 160 had Stage IIIA NSCLC with a median follow-up of 29.1 months. Patients had a median age of 63 years, 79 (49.4%) were male, and 137 (85.6%) were current/former smokers (with 30 median pack-years). Patients were treated as follows: 17 (11%) surgery alone (S), 91 (57%) definitive radiation ± chemotherapy (CRT), 52 (33%) neoadjuvant therapy followed by surgery (Neo). 6 (12%) of the Neo group received chemoimmunotherapy, and 21 (51%) of the 41 CRT patients received adjuvant immunotherapy. Between the three groups, there were no significant differences in tumor size as measured by T-staging (p = 0.83) and baseline FEV1/FVC (p = 0.92). Median PFS was 33.5mo (95% CI 13.2-NA) for group S, 18.4mo (95% CI 12.7-42.2) for CRT, and 19.7mo (95% CI 13.9-NA) for Neo with no significant intergroup difference (p = 0.72). Median OS was 33.5mo (95% CI 13.2-NA) for S, 48.7mo (95% CI 36.0-88.9) for CRT, and 50.9mo (95% CI 41.9-NA) for Neo with no significant intergroup difference (p = 0.94). Among the 17 primary surgical patients, 11 (65%) experienced failure: 6 (35%) local, 5 (29%) regional, and 7 (41%) distant. Among the 91 CRT patients, 57 (63%) experienced failure: 40 (44%) local, 35 (38%) regional, and 28 (31%) distant. Among the 52 Neo patients, 26 (50%) experienced failure: 14 (27%) local, 15 (29%) regional, and 17 (33%) distant. There were no significant differences in rates of local failure (p = 0.26), regional failure (p = 0.59), distant failure (p = 0.79), or any failure (p = 0.41) among the three treatment groups. The most common locations for distant failure were pleural effusions (n = 15, 29%), CNS (n = 14, 27%), and bone (n = 11, 21%). CONCLUSION In this single institution retrospective study, we find no significant differences in PFS, OS, and failure patterns between patients with Stage IIIA NSCLC treated with definitive (chemo)radiation and neoadjuvant therapy. Numeric improvement in PFS in surgery-only patients is consistent with expected patient selection of this group. Further work in the immunotherapy era is needed.
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Affiliation(s)
- R Duan
- Department of Radiation Oncology, Northwestern University Feinberg School of Medicine, Chicago, IL
| | - M Kwan
- Department of Radiation Oncology, Northwestern University Feinberg School of Medicine, Chicago, IL
| | - A Kordon
- Department of Radiation Oncology, Northwestern University Feinberg School of Medicine, Chicago, IL
| | - C Hu
- Department of Radiation Oncology, Northwestern University Feinberg School of Medicine, Chicago, IL
| | - N Vanjani
- Department of Radiation Oncology, Northwestern University Feinberg School of Medicine, Chicago, IL
| | - T O Thomas
- Department of Radiation Oncology, Northwestern University Feinberg School of Medicine, Chicago, IL
| | - J D Patel
- Lurie Cancer Center, Northwestern University-Feinberg School of Medicine, Chicago, IL
| | - P Yadav
- Department of Radiation Oncology, Northwestern University Feinberg School of Medicine, Chicago, IL
| | - M Abazeed
- Department of Radiation Oncology, Northwestern University Feinberg School of Medicine, Chicago, IL
| | - L A Gharzai
- Department of Radiation Oncology, Northwestern University Feinberg School of Medicine, Chicago, IL
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Lee SL, Ruggles C, Yadav P, Bassetti MF, Li Y. Crowdsourcing Deep Learning Algorithms to Automatically Contour GI Luminal Organs on Serial MRIs. Int J Radiat Oncol Biol Phys 2023; 117:S116-S117. [PMID: 37784303 DOI: 10.1016/j.ijrobp.2023.06.449] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/04/2023]
Abstract
PURPOSE/OBJECTIVE(S) A major barrier to a sustainable real-time adaptive MR-guided radiotherapy workflow is the time-consuming process of contouring the target and organs-at-risk (OARs) before the delivery of each fraction. While auto-contouring algorithms perform relatively well for many solid organs, the performance on luminal organs in the abdomen remain difficult due to the variability between patients and variability in daily shape and position. The purpose of this study is to evaluate the performance of crowdsourced deep learning algorithms to automatically contour GI luminal organs on serial MRIs. MATERIALS/METHODS The stomach, small intestines, and large intestines were manually contoured on MRIs from patients who had undergone radiotherapy on an MR-Linac by a team of radiation therapists and medical physicists and were verified by a board-certified radiation oncologist. The MRIs and the contours were de-identified and uploaded to Kaggle, an online machine learning competition platform with portion of the data open to the public as training data and the remaining data hidden as a test set. Prize money was offered to teams submitting the best auto-contouring algorithms based on the Dice coefficient and Hausdorff distance evaluation metrics. The average performance of the winning algorithm and of manual contours were compared using unpaired t-test. RESULTS Four hundred sixty-seven MRIs were collected from 107 patients who underwent 1-5 serial MRI sessions between 2015 and 2019. The most common anatomic site of treatment was the pancreas with 41 patients, followed by the liver with 38 patients. The manual contours of the stomach, small intestines, and large intestines on 4 representative MRIs had mean and standard deviation Dice coefficient of 0.90 +/- 0.02, 0.76 +/- 0.04, and 0.85 +/- 0.03 respectively and Hausdorff distance of 18.0 +/- 6.9, 35.5 +/- 12.6, and 32.3 +/- 12.3 mm respectively. The Kaggle competition was held from April to July 2022 and 1548 teams submitted algorithms for evaluation. The auto-contouring performance of the winning solution on the stomach, small intestines, and large intestines, when evaluated on a hold-out test set with 188 MRIs, had mean and standard deviation Dice coefficient of 0.92 +/- 0.04, 0.80 +/- 0.09, 0.85 +/- 0.08 respectively and Hausdorff distance of 15.2 +/- 11.2, 33.9 +/- 15.2, 34.8 +/- 20.3 mm respectively. Unpaired t-test was performed to compare the average performance across three organs of the human (N = 120) and of the algorithm (N = 564). The results suggest that average algorithm performance was statistically superior to manual contours for Dice (p = 0.01), yet not for Hausdorff (p = 0.64). CONCLUSION Crowdsourced deep learning algorithms to auto-contour GI luminal organs on serial MRIs perform superiorly compared to manual contours when using a Dice coefficient metric but not when using a Haudorff distance metric. These auto-contouring algorithms may be used to efficiently adapt radiotherapy plans according to the anatomy of the day for patients with abdominal tumors on MR-Linacs.
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Affiliation(s)
- S L Lee
- Division of Radiation Oncology, Tom Baker Cancer Centre, Calgary, AB, Canada
| | - C Ruggles
- Department of Biostatistics and Medical Informatics and Department of Computer Sciences, University of Wisconsin - Madison, Madison, WI
| | - P Yadav
- Department of Radiation Oncology, Northwestern University Feinberg School of Medicine, Chicago, IL
| | - M F Bassetti
- Department of Human Oncology, University of Wisconsin Hospitals and Clinics, Madison, WI
| | - Y Li
- Department of Biostatistics and Medical Informatics and Department of Computer Sciences, University of Wisconsin - Madison, Madison, WI
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Shoham S, Batista C, Ben Amor Y, Ergonul O, Hassanain M, Hotez P, Kang G, Kim JH, Lall B, Larson HJ, Naniche D, Sheahan T, Strub-Wourgaft N, Sow SO, Wilder-Smith A, Yadav P, Bottazzi ME. Vaccines and therapeutics for immunocompromised patients with COVID-19. EClinicalMedicine 2023; 59:101965. [PMID: 37070102 PMCID: PMC10091856 DOI: 10.1016/j.eclinm.2023.101965] [Citation(s) in RCA: 24] [Impact Index Per Article: 24.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/11/2023] [Revised: 03/28/2023] [Accepted: 03/29/2023] [Indexed: 04/19/2023] Open
Abstract
The COVID-19 pandemic has disproportionately impacted immunocompromised patients. This diverse group is at increased risk for impaired vaccine responses, progression to severe disease, prolonged hospitalizations and deaths. At particular risk are people with deficiencies in lymphocyte number or function such as transplant recipients and those with hematologic malignancies. Such patients' immune responses to vaccination and infection are frequently impaired leaving them more vulnerable to prolonged high viral loads and severe complications of COVID-19. Those in turn, have implications for disease progression and persistence, development of immune escape variants and transmission of infection. Data to guide vaccination and treatment approaches in immunocompromised people are generally lacking and extrapolated from other populations. The large clinical trials leading to authorisation and approval of SARS-CoV-2 vaccines and therapeutics included very few immunocompromised participants. While experience is accumulating, studies focused on the special circumstances of immunocompromised patients are needed to inform prevention and treatment approaches.
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Affiliation(s)
- Shmuel Shoham
- Johns Hopkins University School of Medicine, Baltimore, MD, USA
| | - Carolina Batista
- Médecins Sans Frontières, Rio de Janeiro, Brazil
- Baraka Impact Finance, Geneva, Switzerland
| | - Yanis Ben Amor
- Center for Sustainable Development, Columbia University, New York, NY, USA
| | - Onder Ergonul
- Koc University Research Center for Infectious Diseases, Istanbul, Turkey
| | - Mazen Hassanain
- College of Medicine, King Saud University, Riyadh, Saudi Arabia
| | - Peter Hotez
- Texas Children's Hospital Center for Vaccine Development, Baylor College of Medicine, Houston, TX, USA
| | | | - Jerome H Kim
- International Vaccine Institute, Seoul, South Korea
| | - Bhavna Lall
- University of Houston Tilman J. Fertitta Family College of Medicine, Houston, TX, USA
| | - Heidi J Larson
- London School of Hygiene & Tropical Medicine, London, UK
| | - Denise Naniche
- ISGlobal, Barcelona Institute for Global Health, Hospital Clinic, University of Barcelona, Spain
| | - Timothy Sheahan
- University of North Carolina, Gillings School of Global Public Health, Chapel Hill, NC, USA
| | - Nathalie Strub-Wourgaft
- ISGlobal, Barcelona Institute for Global Health, Hospital Clinic, University of Barcelona, Spain
- Drugs for Neglected Diseases Initiative, Geneva, Switzerland
| | - Samba O Sow
- Center for Vaccine Development, Bamako, Mali
- University of Maryland, MD, USA
| | - Annelies Wilder-Smith
- London School of Hygiene & Tropical Medicine, London, UK
- Heidelberg Institute of Global Health, University of Heidelberg, Heidelberg, Germany
| | - Prashant Yadav
- Center for Global Development, Washington, DC, USA
- Harvard Medical School, Boston, MA, USA
- Technology and Operations Management, INSEAD, Fontainebleau, France
| | - Maria Elena Bottazzi
- Texas Children's Hospital Center for Vaccine Development, Baylor College of Medicine, Houston, TX, USA
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10
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Schwartz JI, Ramaiya K, Warren M, Yadav P, Castillo G, George R, McGuire H. Carpe DM: The First Global Diabetes Targets. Glob Health Sci Pract 2023; 11:e2200403. [PMID: 37116924 PMCID: PMC10141427 DOI: 10.9745/ghsp-d-22-00403] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/20/2022] [Accepted: 03/07/2023] [Indexed: 04/03/2023]
Abstract
The authors discuss the newly adopted global diabetes targets and their potential role in driving funding, advocacy, research, and clinical care to reduce the massive global disparities in access to quality diabetes care.
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Affiliation(s)
- Jeremy I. Schwartz
- Section of General Internal Medicine, Yale University School of Medicine, New Haven, CT, USA
- Uganda Initiative for Integrated Management of Non-Communicable Diseases, Kampala, Uganda
- Coalition for Access to NCD Medicines and Products.
| | - Kaushik Ramaiya
- Coalition for Access to NCD Medicines and Products.
- Department of Internal Medicine, Shree Hindu Mandal Hospital, Dar es Salaam, Tanzania
| | - Margo Warren
- Coalition for Access to NCD Medicines and Products.
- Access to Medicine Foundation, Amsterdam, The Netherlands
| | - Prashant Yadav
- Coalition for Access to NCD Medicines and Products.
- Center for Global Development, Washington, DC, USA
- Technology and Operations Management, INSEAD, Fontainebleau, France
| | - Grace Castillo
- Coalition for Access to NCD Medicines and Products.
- PATH, Seattle, WA, USA
| | - Roshini George
- Coalition for Access to NCD Medicines and Products.
- PATH, Seattle, WA, USA
| | - Helen McGuire
- Coalition for Access to NCD Medicines and Products.
- PATH, Seattle, WA, USA
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11
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Yadav P, Bari MA, Yadav S, Khan AH. Immune reconstitution inflammatory syndrome following disseminated TB with cerebral venous thrombosis in HIV negative women during her postpartum period. A case report. Ann Med Surg (Lond) 2023; 85:1932-1939. [DOI: 10.1097/ms9.0000000000000446] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/12/2023] [Accepted: 03/16/2023] [Indexed: 04/05/2023] Open
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12
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Chua M, Yadav P, Bobrowski A, Kim J, Silangcruz J, Ming J, Rickard M, Lorenzo A, Bagli D, Khoury A. Dorsal shortening versus ventral lengthening procedure for correction of congenital ventral curvature in patients with and without severe hypospadias: A meta-analysis of comparative studies. Eur Urol 2023. [DOI: 10.1016/s0302-2838(23)00661-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/12/2023]
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13
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Dzau V, Yadav P. The influenza imperative: we must prepare now for seasonal and pandemic influenza. Lancet Microbe 2023; 4:e203-e205. [PMID: 36738755 PMCID: PMC9891732 DOI: 10.1016/s2666-5247(23)00013-7] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/21/2022] [Revised: 01/12/2023] [Accepted: 01/12/2023] [Indexed: 02/04/2023]
Affiliation(s)
- Victor Dzau
- US National Academy of Medicine, Washington, DC 20001, USA
| | - Prashant Yadav
- Center for Global Development, Washington, DC, USA,INSEAD, Fontainebleau, France
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14
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Lin LY, Armstrong GW, Gardiner M, Lorch A, Freitag SK, Yadav P. Dedicated Chalazion Clinic as a Tool for Early Surgical Education in Ophthalmology Residency. J Acad Ophthalmol (2017) 2023; 15:e36-e40. [PMID: 38737156 PMCID: PMC10804763 DOI: 10.1055/s-0043-1761275] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/02/2022] [Accepted: 12/14/2022] [Indexed: 01/30/2023]
Abstract
Objective Ophthalmology residency programs aim to improve resident surgical teaching through increased surgical exposure over a 4-year period. Resident-centric surgical clinics across various surgical specialties have been established to help develop surgical autonomy and experience. We present the first demonstration of a resident-centric chalazion incision and drainage clinic (chalazion clinic) in an ophthalmology residency with the goal of increasing early surgical exposure to residents. Design The chalazion clinic was founded in July 2019. It is a once weekly procedure clinic conducted by an ophthalmology resident and supervised by an ophthalmology attending. Patients with chalazia were referred directly to this clinic for evaluation and management, rather than the oculoplastics clinic as they were in the past. Retrospective review of Accreditation Council for Graduate Medical Education (ACGME) case logs of all residents per academic year before and after establishment of the chalazion clinic was performed in order to assess the impact on residents' chalazion procedures numbers per academic year. Setting The study involved a single academic ophthalmology department. Participants Ophthalmology residents of all years were present. Results A resident of any year performed an average of 3.0 chalazion procedures per year in the 2018 to 2019 academic year, 3.8 in 2019 to 2020, and 8.4 in the 2020 to 2021, which represents a 180% increase in procedure numbers per resident. Among post-graduate-year 2s (PGY)2s, the average number of chalazion procedures increased from 2.1 procedure per year to 22.3 per year (961.9% increase). Conclusion To the best of our knowledge, this is the first description of a dedicated resident-centric chalazion clinic in an ophthalmology residency program. PGY2s demonstrated the largest increase in procedural numbers. While chalazion incision and drainage is a minor procedure, increased exposure to surgical procedures early in training could help improve residents' skills and confidence. This clinic provides a proof of concept of a dedicated minor procedure clinic for ophthalmology residents to increase early procedural volume.
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Affiliation(s)
- Lisa Y. Lin
- Department of Ophthalmology, Massachusetts Eye and Ear Infirmary, Harvard Medical School, Boston, Massachusetts
| | - Grayson W. Armstrong
- Department of Ophthalmology, Massachusetts Eye and Ear Infirmary, Harvard Medical School, Boston, Massachusetts
| | - Matthew Gardiner
- Department of Ophthalmology, Massachusetts Eye and Ear Infirmary, Harvard Medical School, Boston, Massachusetts
| | - Alice Lorch
- Department of Ophthalmology, Massachusetts Eye and Ear Infirmary, Harvard Medical School, Boston, Massachusetts
| | - Suzanne K. Freitag
- Department of Ophthalmology, Massachusetts Eye and Ear Infirmary, Harvard Medical School, Boston, Massachusetts
| | - Prashant Yadav
- Department of Ophthalmology, Massachusetts Eye and Ear Infirmary, Harvard Medical School, Boston, Massachusetts
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15
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Vishwkarma AK, Yadav T, Brahmachari G, Karmakar I, Yadav P, Saha S, Mahapatra C, Pandey GN, Tripathi CSP, Tripathi PK, Verma VK, Pathak A. Conformational Search and Spectroscopic Analysis of Biorelevant Molecule: 5-Chloro-2-hydroxy- N-isobutyl-3-oxo-2,3-dihydrobenzofuran-2-carboxamide. Polycycl Aromat Compd 2022. [DOI: 10.1080/10406638.2022.2135546] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Affiliation(s)
- A. K. Vishwkarma
- Department of Physics, Institute of Science, Banaras Hindu University, Varanasi, Uttar Pradesh, India
| | - T. Yadav
- Department of Physics, Institute of Science, Banaras Hindu University, Varanasi, Uttar Pradesh, India
| | - G. Brahmachari
- Laboratory of Natural Products and Organic Synthesis, Department of Chemistry, Visva-Bharati (a Central University), Santiniketan, West Bengal, India
| | - I. Karmakar
- Laboratory of Natural Products and Organic Synthesis, Department of Chemistry, Visva-Bharati (a Central University), Santiniketan, West Bengal, India
| | - P. Yadav
- Department of Chemistry, Institute of Science, Banaras Hindu University, Varanasi, Uttar Pradesh, India
| | - S. Saha
- CSIR-Indian Institute of Chemical Biology, Kolkata, West Bengal, India
| | - C. Mahapatra
- Department of Biotechnology, National Institute of Technology Raipur, Raipur, India
| | - G. N. Pandey
- Department of Applied Physics, AIAS, Amity University, Noida, Uttar Pradesh, India
| | - C. S. P. Tripathi
- Department of Physics, Institute of Science, Banaras Hindu University, Varanasi, Uttar Pradesh, India
| | - P. K. Tripathi
- Department of Physics, School of Applied and Life Sciences, Uttaranchal University, Dehradun, Uttarakhand, India
| | - V. K. Verma
- Department of Physics, Keshav Mahavidyalay, University of Delhi, Delhi, India
| | - A. Pathak
- Department of Physics, Institute of Science, Banaras Hindu University, Varanasi, Uttar Pradesh, India
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16
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Prince R, Stepan K, Patel U, Yadav P, Thomas T, Nesbit E, Mittal B, Lorch J, Samant S, Gharzai L. The Effect of Tumor Margin Status on Progression-Free Survival (PFS) in Patients with Oropharyngeal Squamous Cell Carcinoma (OPSCC) after Transoral Robotic Surgery (TORS). Int J Radiat Oncol Biol Phys 2022. [DOI: 10.1016/j.ijrobp.2022.07.1389] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
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17
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Yadav P, Das I. Surface Dose and Skin Toxicity in Low-Magnetic Field MR-Linac. Int J Radiat Oncol Biol Phys 2022. [DOI: 10.1016/j.ijrobp.2022.07.2183] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/31/2022]
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18
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Flakus M, Wallat E, Wuschner A, Tennant E, Yadav P, Burr A, Bayouth J, Baschnagel A. Dose to High Ventilating Lung Predicts Radiation-Induced Pneumonitis in Lung Cancer Patients. Int J Radiat Oncol Biol Phys 2022. [DOI: 10.1016/j.ijrobp.2022.07.443] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/31/2022]
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19
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Masud H, Yadav P, Yadav S, Kamal M. A 15 year-old-girl with persistent leg pain diagnosed as a giant cell tumor of the tibial diaphysis: A case report and review of the literature. Int J Surg Case Rep 2022; 99:107680. [PMID: 36181738 PMCID: PMC9568775 DOI: 10.1016/j.ijscr.2022.107680] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/09/2022] [Revised: 08/30/2022] [Accepted: 09/17/2022] [Indexed: 11/15/2022] Open
Abstract
Introduction Giant cell tumor (GCT) is a benign bone tumor typically seen in epiphysis or metaphysis of mature long bones. Multiple large multinucleated giant cells dispersed among mononuclear spindle cells and monocytes constitute characteristic histological background of GCT of bone (GCTB). Case presentation A 15-year-old girl was admitted to our hospital with the complaint of pain and swelling in the left leg with difficulty in walking for 2 years. On X-ray of the left leg, osteolytic, expansile, eccentric lesion with sclerotic bone margin on the diaphysis of the tibia was seen suggesting oesteofibrous dysplasia. MRI demonstrated findings compatible with adamantinoma. The subsequent histology report was rather surprising, consistent with giant cell tumor of the bone. Extended intralesional curettage was done with the help of a high-speed burr followed by chemical cauterization and bone grafting. The patient was followed up for 2 years. The patient could walk normally without assistance or any signs of a recurrence. Discussion GCTB commonly affects people in their third and fourth decades of life and involves epiphysis of the long bone, but this is a case of diaphyseal GCT, at an age of 15 years. It is challenging to diagnose GCT, if present in an unusual location, unless confirmed by histopathological examinations. Conclusion A multi-disciplinary approach is required to correctly reach the diagnosis of GCT when it happens to be in an uncommon location(s). Early diagnosis with appropriate treatment and long-term follow-up is mandatory for the successful outcome of the treatment. GCTB commonly affects people in their third and fourth decades of life and involves epiphysis of the long bone. We report an unusual case of a 15-year-old girl diagnosed as a giant cell tumor in the diaphysis of the tibia. Early diagnosis, appropriate treatment, and long-term follow-up are essential for a successful treatment outcome. Extended intralesional curettage was performed with the help of a high-speed burr followed by chemical cauterization and bone grafting. After surgery and close monitoring at regular intervals for 2 years, the patient was able to walk normally without any signs of recurrence.
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Affiliation(s)
- Hasan Masud
- Department of Orthopedics, Sir Salimullah Medical College & Mitford hospital, Dhaka, Bangladesh
| | - Prashant Yadav
- Sir Salimullah Medical College & Mitford hospital, Dhaka, Bangladesh.
| | - Sushmita Yadav
- Jalalabad Ragib-Rabeya Medical College, Sylhet, Bangladesh
| | - Mohammed Kamal
- Department of pathology, Bangabandhu Sheikh Mujib Medical University, Dhaka, Bangladesh
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20
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Ballou WR, Baylor N, Cueni T, Dzau V, Fukuda K, Garcia PJ, Gupta A, Kadillli E, Kerr L, Larson HJ, Simpson J, Subbarao K, Yadav P, Yadav P. The Influenza Imperative: An Urgent Need to Leverage Lessons from COVID-19 to Prepare for a Global Response to Seasonal and Pandemic Influenza. NAM Perspect 2022; 2022:202209b. [PMID: 36713770 PMCID: PMC9875850 DOI: 10.31478/202209b] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/01/2023]
Affiliation(s)
| | | | - Thomas Cueni
- International Federation of Pharmaceutical Manufacturers & Associations
| | | | | | | | | | | | - Lawrence Kerr
- U.S. Department of Health and Human Services (former)
| | | | | | - Kanta Subbarao
- WHO Collaborating Centre for Reference and Research on Influenza and Department of Microbiology and Immunology, University of Melbourne
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21
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Mehrotra P, Desai AN, Yadav P. Investment in the Infection Prevention Workforce Is an Investment in Global Health Security. Health Secur 2022; 20:357-358. [PMID: 35834637 DOI: 10.1089/hs.2022.0082] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
Affiliation(s)
- Preeti Mehrotra
- Preeti Mehrotra, MD, MPH, is Senior Medical Director, Division of Infection Control/Hospital Epidemiology, Silverman Institute for Health Care Quality and Safety, and Division of Infectious Diseases, Beth Israel Deaconess Medical Center, and an Instructor, Harvard Medical School, Boston, MA
| | - Angel N Desai
- Angel N. Desai, MD, MPH, is an Assistant Professor and Associate Hospital Epidemiologist, Division of Infectious Diseases, University of California Davis Medical Center, Sacramento, CA
| | - Prashant Yadav
- Prashant Yadav, PhD, is an Affiliate Professor, Technology and Operations Management, INSEAD, Fontainebleau, France; a Senior Fellow, Center for Global Development, Washington, DC; and a Lecturer, Global Health and Social Medicine, Harvard Medical School, Boston, MA
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22
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Arinaminpathy N, Saad-Roy CM, Yang Q, Ahmad I, Yadav P, Grenfell B. A global system for the next generation of vaccines. Science 2022; 376:462-464. [PMID: 35482858 DOI: 10.1126/science.abm8894] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/02/2022]
Abstract
COVID-19 has shown that hurdles can be overcome.
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Affiliation(s)
- Nimalan Arinaminpathy
- MRC Centre for Global Infectious Disease Analysis, Department of Infectious Disease Epidemiology, School of Public Health, Imperial College London, London, UK
- Abdul Latif Jameel Institute for Disease and Emergency Analytics, School of Public Health, Imperial College London, London, UK
| | - Chadi M Saad-Roy
- Lewis-Sigler Institute for Integrative Genomics, Princeton University, Princeton, NJ, USA
| | - Qiqi Yang
- Department of Ecology and Evolutionary Biology, Princeton University, Princeton, NJ, USA
| | - Isa Ahmad
- MRC Centre for Global Infectious Disease Analysis, Department of Infectious Disease Epidemiology, School of Public Health, Imperial College London, London, UK
- Abdul Latif Jameel Institute for Disease and Emergency Analytics, School of Public Health, Imperial College London, London, UK
| | - Prashant Yadav
- Technology and Operations Management, INSEAD, Fontainebleau, France
- Center for Global Development, Washington, DC, USA
| | - Bryan Grenfell
- Department of Ecology and Evolutionary Biology, Princeton University, Princeton, NJ, USA
- Princeton School of Public and International Affairs, Princeton University, Princeton, NJ, USA
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23
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Lazarus JV, Abdool Karim SS, van Selm L, Doran J, Batista C, Ben Amor Y, Hellard M, Kim B, Kopka CJ, Yadav P. COVID-19 vaccine wastage in the midst of vaccine inequity: causes, types and practical steps. BMJ Glob Health 2022; 7:bmjgh-2022-009010. [PMID: 35474267 PMCID: PMC9044511 DOI: 10.1136/bmjgh-2022-009010] [Citation(s) in RCA: 20] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/08/2022] [Accepted: 04/04/2022] [Indexed: 11/21/2022] Open
Affiliation(s)
- Jeffrey V Lazarus
- Barcelona Institute for Global Health (ISGlobal), Hospital Clinic, Barcelona, Spain .,Faculty of Medicine, University of Barcelona, Barcelona, Spain
| | - Salim S Abdool Karim
- Department of Epidemiology, Columbia University, New York, New York, USA.,Center for the AIDS programme of Research in South Africa (CAPRISA), Durban, South Africa
| | - Lena van Selm
- Barcelona Institute for Global Health (ISGlobal), Hospital Clinic, Barcelona, Spain
| | - Jason Doran
- Barcelona Institute for Global Health (ISGlobal), Hospital Clinic, Barcelona, Spain.,UK Health Security Agency, London, UK
| | - Carolina Batista
- Barcelona Institute for Global Health (ISGlobal), Hospital Clinic, Barcelona, Spain.,Médecins Sans Frontières, Geneva, Switzerland.,Baraka Impact Finance, Geneva, Switzerland
| | - Yanis Ben Amor
- Center for Sustainable Development, Columbia University, New York, New York, USA
| | - Margaret Hellard
- Burnet Institute, Melbourne, Victoria, Australia.,Department of Infectious Diseases, The Alfred Hospital, Melbourne, Victoria, Australia.,Department of Epidemiology and Preventive Medicine, Monash University, Melbourne, Victoria, Australia.,Department of Infectious Diseases and School of Population and Global Health, University of Melbourne, Melbourne, Victoria, Australia
| | - Booyuel Kim
- Department of Environmental Planning, Graduate School of Environmental Studies, Seoul National University, Seoul, South Korea
| | | | - Prashant Yadav
- Center for Global Development, Washington, District of Columbia, USA.,Department of Global Health and Social Medicine, Harvard Medical School, Boston, Massachusetts, USA.,INSEAD Business School, Fontainebleau, France
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24
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Kalam A, Allami S, Al-Sehemi A, Assiri M, Yadav P. Effect of stabilizer on optical band gap of ZnO and their performance in dye-sensitized solar cells. B CHEM SOC ETHIOPIA 2022. [DOI: 10.4314/bcse.v36i1.17] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022] Open
Abstract
ABSTRACT. In dye-sensitized solar cells, transparent metal oxide working electrodes play a vital role in defining the power conversion efficiency. It was found that the size of nanoparticles influences the electrical, optical properties of these electrodes. Herein, we describe the synthesis of ZnO with zinc acetate dihydrate and different stabilizers (diethylamine and triethylamine) by using a modified solvothermal process. The obtained materials were characterized by XRD, SEM, EDX, TEM, HRTEM, UV-visible, FTIR, and Raman methods. The crystallite sizes for ZnO-1 and ZnO-2 samples were indexed as 39.0 and 40.5 nm for the highest peak intensity with diethylamine and triethylamine stabilizer, respectively. We examine the effect of stabilizers on the morphology, optical band gap, and photovoltaic performance of the prepared ZnO. We found that ZnO prepared using diethylamine stabilizer exhibiting significant efficiency of 1.45%, open-circuit voltage 0.454 V, short-circuit current density 2.128 mA/cm2, and 0.66 fill factor were achieved under 44 mW/cm2 illumination powers with dye-3.
KEY WORDS: Dye-sensitized solar cells, ZnO, Band gap, Photovoltaic performance
Bull. Chem. Soc. Ethiop. 2022, 36(1), 209-222.
DOI: https://dx.doi.org/10.4314/bcse.v36i1.17
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25
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Kim J, Chua M, Van Miegham T, Dos Santos J, Mackay E, Erdman L, Skreta M, Keefe D, Lolas M, Yadav P, Lorenzo A, Rickard M. Configuration and validation of the Toronto nomogram of antenatal ultrasound index generated from Bayesian meta-regression analysis in predicting Posterior Urethral Valves (PUV). Eur Urol 2022. [DOI: 10.1016/s0302-2838(22)00726-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022]
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26
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Batista C, Hotez P, Amor YB, Kim JH, Kaslow D, Lall B, Ergonul O, Figueroa JP, Gursel M, Hassanain M, Kang G, Larson H, Naniche D, Sheahan T, Wilder-Smith A, Shoham S, Sow SO, Yadav P, Strub-Wourgaft N, Loveday SJ, Hannay E, Bottazzi ME. The silent and dangerous inequity around access to COVID-19 testing: A call to action. EClinicalMedicine 2022; 43:101230. [PMID: 34927038 PMCID: PMC8668028 DOI: 10.1016/j.eclinm.2021.101230] [Citation(s) in RCA: 26] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/16/2021] [Accepted: 11/22/2021] [Indexed: 11/30/2022] Open
Affiliation(s)
- Carolina Batista
- Médecins Sans Frontières, Rio de Janeiro, Brazil
- Corresponding author.
| | - Peter Hotez
- Texas Children's Center for Vaccine Development, Baylor College of Medicine, Houston, TX, USA
| | - Yanis Ben Amor
- Center for Sustainable Development, Columbia University, New York, New York, United States of America
| | - Jerome H Kim
- International Vaccine Institute, Seoul, South Korea
| | - David Kaslow
- Program for Appropriate Technology in Health (PATH) Essential Medicines, PATH Seattle, WA, USA
| | - Bhavna Lall
- University of Houston College of Medicine, Houston, TX, USA
| | - Onder Ergonul
- Koc University Research Center for Infectious Diseases, Istanbul, Turkey
| | | | - Mayda Gursel
- Middle East Technical University, Ankara, Turkey
| | - Mazen Hassanain
- College of Medicine, King Saud University, Riyadh, Saudi Arabia
| | | | - Heidi Larson
- London School of Hygiene & Tropical Medicine, London, UK
| | - Denise Naniche
- ISGlobal-Barcelona Institute for Global Health-Hospital Clinic-University of Barcelona, Spain
| | - Timothy Sheahan
- University of North Carolina, Gillings School of Global Public Health, Chapel Hill, NC, USA
| | - Annelies Wilder-Smith
- London School of Hygiene & Tropical Medicine, London, UK
- Heidelberg Institute of Global Health, University of Heidelberg, Heidelberg, Germany
| | - Shmuel Shoham
- Johns Hopkins University School of Medicine, Baltimore, MD, USA
| | - Samba O Sow
- Center for Vaccine Development, Bamako, Mali
- University of Maryland, MD, USA
| | - Prashant Yadav
- Center for Global Development, Washington, DC, USA
- Harvard Medical School, Boston, MA, USA
- Technology and Operations Management, INSEAD
| | | | | | - Emma Hannay
- FIND, the global alliance for diagnostics, Geneva, Switzerland
| | - Maria Elena Bottazzi
- Texas Children's Center for Vaccine Development, Baylor College of Medicine, Houston, TX, USA
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27
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Blitzer G, Yadav P, Bayouth J, Smilowitz J, Trask D, Weiss M, Weber S, Abbott D, Varley P, Neuman H, Maloney J, Hinshaw J, Morris B, Merfeld E, Howard S, Bradley K, Baschnagel A, Bassetti M, Parkes A, Hennessey D, Morris Z. Interim Results of a Phase II Trial on Hypofractionated Radiation Therapy for Inoperable Soft Tissue Sarcoma. Int J Radiat Oncol Biol Phys 2021. [DOI: 10.1016/j.ijrobp.2021.07.973] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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Vasudeva P, Kumar A, Yadav S, Kumar N, Chaudhry N, Prasad V, Nagendra Rao S, Yadav P, Patel S. Neurological safety and efficacy of darifenacin and mirabegron for the treatment of overactive bladder in patients with history of cerebrovascular accident: A prospective study. Neurourol Urodyn 2021; 40:2041-2047. [PMID: 34516666 DOI: 10.1002/nau.24793] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/02/2021] [Revised: 08/06/2021] [Accepted: 08/30/2021] [Indexed: 11/06/2022]
Abstract
OBJECTIVES To evaluate the neurological safety and clinical efficacy of darifenacin and mirabegron in patients with a history of cerebrovascular accident (CVA) who had overactive bladder (OAB) symptoms. METHODS This prospective randomized study, approved by the institute's ethics committee, was carried out at a tertiary care center from December 2018 to June 2020. Treatment naïve adult patients with a past history of CVA with stable neurological status for atleast past 3 months with symptoms of OAB for 3 or more months were included. Eligible patients received either darifenacin or mirabegron for a period of 3 months and various parameters on the 3-day International Consultation on Incontinence Questionnaire (ICIQ) bladder diary, the Montreal Cognitive Assessment-Basic score (MoCA-B), and the adverse events at 3 months posttreatment were compared to that at the baseline. RESULTS A total of 60 patients were included, 30 in each arm. After 3 months of treatment with darifenacin or mirabegron, the majority of the ICIQ bladder diary parameters improved and there was no deterioration in the cognitive function as noted on the MoCA-B score in either of the arms. On intergroup comparison, the mean change in bladder diary parameters and the MoCA-B scores was similar between the two groups. CONCLUSION Darifenacin and mirabegron, in the short term, do not adversely affect the cognitive function in patients with a history of CVA with OAB symptoms. Both are safe and effective treatment options in patients with OAB post-CVA.
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Affiliation(s)
- Pawan Vasudeva
- Department of Urology and Renal Transplant, Vardhaman Mahavir Medical College and Safdarjung Hospital, New Delhi, India
| | - Amitabh Kumar
- Department of Urology and Renal Transplant, Vardhaman Mahavir Medical College and Safdarjung Hospital, New Delhi, India
| | - Siddharth Yadav
- Department of Urology and Renal Transplant, Vardhaman Mahavir Medical College and Safdarjung Hospital, New Delhi, India
| | - Niraj Kumar
- Department of Urology and Renal Transplant, Vardhaman Mahavir Medical College and Safdarjung Hospital, New Delhi, India
| | - Neera Chaudhry
- Department of Neurology, Vardhaman Mahavir Medical College and Safdarjung Hospital, New Delhi, India
| | - Vishnu Prasad
- Department of Urology and Renal Transplant, Vardhaman Mahavir Medical College and Safdarjung Hospital, New Delhi, India
| | - Swatantra Nagendra Rao
- Department of Urology and Renal Transplant, Vardhaman Mahavir Medical College and Safdarjung Hospital, New Delhi, India
| | - Prashant Yadav
- Department of Urology and Renal Transplant, Vardhaman Mahavir Medical College and Safdarjung Hospital, New Delhi, India
| | - Samarth Patel
- Department of Urology and Renal Transplant, Vardhaman Mahavir Medical College and Safdarjung Hospital, New Delhi, India
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Figueroa JP, Hotez PJ, Batista C, Ben Amor Y, Ergonul O, Gilbert S, Gursel M, Hassanain M, Kang G, Kaslow DC, Kim JH, Lall B, Larson H, Naniche D, Sheahan T, Shoham S, Wilder-Smith A, Sow SO, Strub-Wourgaft N, Yadav P, Bottazzi ME. Achieving global equity for COVID-19 vaccines: Stronger international partnerships and greater advocacy and solidarity are needed. PLoS Med 2021; 18:e1003772. [PMID: 34516558 PMCID: PMC8475996 DOI: 10.1371/journal.pmed.1003772] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Revised: 09/27/2021] [Indexed: 12/02/2022] Open
Abstract
Peter Figueroa and co-authors advocate for equity in the worldwide provision of COVID-19 vaccines.
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Affiliation(s)
| | - Peter J. Hotez
- Texas Children’s Center for Vaccine Development, Baylor College of Medicine, Houston, Texas, United States of America
| | | | - Yanis Ben Amor
- Center for Sustainable Development, Columbia University, New York, New York, United States of America
| | - Onder Ergonul
- Koc University Research Center for Infectious Diseases, Istanbul, Turkey
| | - Sarah Gilbert
- Jenner Institute, Nuffield Department of Medicine, Oxford University, Oxford, United Kingdom
| | - Mayda Gursel
- Middle East Technical University, Ankara, Turkey
| | - Mazen Hassanain
- College of Medicine, King Saud University, Riyadh, Saudi Arabia
| | | | | | | | - Bhavna Lall
- University of Houston College of Medicine, Houston, Texas, United States of America
| | - Heidi Larson
- London School of Hygiene & Tropical Medicine, London, United Kingdom
| | - Denise Naniche
- ISGlobal-Barcelona Institute for Global Health-Hospital Clinic-University of Barcelona, Spain
| | - Timothy Sheahan
- University of North Carolina, Gillings School of Global Public Health, Chapel Hill, North Carolina, United States of America
| | - Shmuel Shoham
- Johns Hopkins University School of Medicine, Baltimore, Maryland, United States of America
| | - Annelies Wilder-Smith
- London School of Hygiene & Tropical Medicine, London, United Kingdom
- Institute of Social and Preventive Medicine, University of Bern, Switzerland
- Heidelberg Institute of Global Health, University of Heidelberg, Heidelberg, Germany
| | - Samba O. Sow
- Center for Vaccine Development, Bamako, Mali
- University of Maryland, Maryland, United States of America
| | | | - Prashant Yadav
- Center for Global Development, Washington, DC, United States of America
- Harvard Medical School, Boston, Massachusetts, United States of America
- Affiliate Professor, Technology and Operations Management, INSEAD, Fontainebleau, France
| | - Maria Elena Bottazzi
- Texas Children’s Center for Vaccine Development, Baylor College of Medicine, Houston, Texas, United States of America
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Yadav P. Childhood cancer medicines: understanding barriers to access. The Lancet Global Health 2021; 9:e1195-e1196. [DOI: 10.1016/s2214-109x(21)00320-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/08/2021] [Accepted: 07/12/2021] [Indexed: 10/20/2022] Open
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Hotez PJ, Batista C, Amor YB, Ergonul O, Figueroa JP, Gilbert S, Gursel M, Hassanain M, Kang G, Kaslow DC, Kim JH, Lall B, Larson H, Naniche D, Sheahan T, Shoham S, Wilder-Smith A, Sow SO, Strub-Wourgaft N, Yadav P, Bottazzi ME. Global public health security and justice for vaccines and therapeutics in the COVID-19 pandemic. EClinicalMedicine 2021; 39:101053. [PMID: 34368661 PMCID: PMC8330385 DOI: 10.1016/j.eclinm.2021.101053] [Citation(s) in RCA: 29] [Impact Index Per Article: 9.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/06/2021] [Revised: 07/12/2021] [Accepted: 07/13/2021] [Indexed: 01/30/2023] Open
Abstract
A Lancet Commission for COVID-19 task force is shaping recommendations to achieve vaccine and therapeutics access, justice, and equity. This includes ensuring safety and effectiveness harmonized through robust systems of global pharmacovigilance and surveillance. Global production requires expanding support for development, manufacture, testing, and distribution of vaccines and therapeutics to low- and middle-income countries (LMICs). Global intellectual property rules must not stand in the way of research, production, technology transfer, or equitable access to essential health tools, and in context of pandemics to achieve increased manufacturing without discouraging innovation. Global governance around product quality requires channelling widely distributed vaccines through WHO prequalification (PQ)/emergency use listing (EUL) mechanisms and greater use of national regulatory authorities. A World Health Assembly (WHA) resolution would facilitate improvements and consistency in quality control and assurances. Global health systems require implementing steps to strengthen national systems for controlling COVID-19 and for influenza vaccinations for adults including pregnant and lactating women. A collaborative research network should strive to establish open access databases for bioinformatic analyses, together with programs directed at human capacity utilization and strengthening. Combating anti-science recognizes the urgency for countermeasures to address a global-wide disinformation movement dominating the internet and infiltrating parliaments and local governments.
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Affiliation(s)
- Peter J. Hotez
- Texas Children's Center for Vaccine Development, Baylor College of Medicine, Houston, TX, USA
| | | | - Yanis Ben Amor
- Center for Sustainable Development, Columbia University, New York, NY, USA
| | - Onder Ergonul
- Koc University Research Center for Infectious Diseases, Istanbul, Turkey
| | | | - Sarah Gilbert
- Nuffield Department of Medicine, Jenner Institute, Oxford University, Oxford, UK
| | - Mayda Gursel
- Middle East Technical University, Ankara, Turkey
| | - Mazen Hassanain
- College of Medicine, King Saud University, Riyadh, Saudi Arabia
| | | | | | | | - Bhavna Lall
- University of Houston College of Medicine, Houston, TX, USA
| | - Heidi Larson
- London School of Hygiene and Tropical Medicine, London, UK
| | - Denise Naniche
- ISGlobal-Barcelona Institute for Global Health-Hospital Clinic-University of Barcelona, Spain
| | - Timothy Sheahan
- University of North Carolina, Gillings School of Global Public Health, Chapel Hill, NC, USA
| | - Shmuel Shoham
- Johns Hopkins University School of Medicine, Baltimore, MD, USA
| | - Annelies Wilder-Smith
- London School of Hygiene and Tropical Medicine, London, UK
- Institute of Social and Preventive Medicine, University of Bern, Switzerland
- Heidelberg Institute of Global Health, University of Heidelberg, Heidelberg, Germany
| | - Samba O. Sow
- Center for Vaccine Development, Bamako, Mali
- University of Maryland, MD, USA
| | | | - Prashant Yadav
- Center for Global Development, Washington, DC, USA
- Harvard Medical School, Boston, MA, USA
- Affiliate Professor, Technology and Operations Management, INSEAD, France
| | - Maria Elena Bottazzi
- Texas Children's Center for Vaccine Development, Baylor College of Medicine, Houston, TX, USA
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Yadav T, Brahmachari G, Karmakar I, Yadav P, Prasad A, Pathak A, Agarwal A, Kumar R, Mukherjee V, Pandey G, Bento R, Yadav N. Conformational and vibrational spectroscopic investigation of N-n‑butyl, S-2-nitro-1-(p-tolyl)ethyl dithiocarbamate – a bio-relevant sulfur molecule. J Mol Struct 2021. [DOI: 10.1016/j.molstruc.2021.130450] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
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Batista C, Shoham S, Ergonul O, Hotez P, Bottazzi ME, Figueroa JP, Gilbert S, Gursel M, Hassanain M, Kang G, Kaslow D, Kim JH, Lall B, Larson H, Naniche D, Sheahan T, Wilder-Smith A, Sow SO, Yadav P, Strub-Wourgaft N. Urgent needs to accelerate the race for COVID-19 therapeutics. EClinicalMedicine 2021; 36:100911. [PMID: 34036254 PMCID: PMC8141354 DOI: 10.1016/j.eclinm.2021.100911] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/27/2021] [Accepted: 04/30/2021] [Indexed: 11/26/2022] Open
Affiliation(s)
- Carolina Batista
- Médecins Sans Frontières, Rio de Janeiro, Brazil
- Corresponding Author:
| | - Shmuel Shoham
- Johns Hopkins University School of Medicine, Baltimore, MD, USA
| | - Onder Ergonul
- Koc University Research Center for Infectious Diseases, Istanbul, Turkey
| | - Peter Hotez
- Texas Children's Center for Vaccine Development, Baylor College of Medicine, Houston, TX, USA
| | - Maria Elena Bottazzi
- Texas Children's Center for Vaccine Development, Baylor College of Medicine, Houston, TX, USA
| | | | - Sarah Gilbert
- Jenner Institute, Nuffield Department of Medicine, Oxford University, Oxford, UK
| | - Mayda Gursel
- Middle East Technical University, Ankara, Turkey
| | - Mazen Hassanain
- College of Medicine, King Saud University, Riyadh, Saudi Arabia
| | | | - David Kaslow
- Program for Appropriate Technology in Health (PATH) Essential Medicines, PATH Seattle, WA, USA
| | - Jerome H Kim
- International Vaccine Institute, Seoul, South Korea
| | - Bhavna Lall
- University of Houston College of Medicine, Houston, TX, USA
| | - Heidi Larson
- London School of Hygiene & Tropical Medicine, London, UK
| | - Denise Naniche
- ISGlobal-Barcelona Institute for Global Health-Hospital Clinic-University of Barcelona, Spain
| | - Timothy Sheahan
- University of North Carolina, Gillings School of Global Public Health, Chapel Hill, NC, USA
| | - Annelies Wilder-Smith
- London School of Hygiene & Tropical Medicine, London, UK
- Heidelberg Institute of Global Health, University of Heidelberg, Heidelberg, Germany
| | - Samba O. Sow
- Center for Vaccine Development, Bamako, Mali
- University of Maryland, MD, USA
| | - Prashant Yadav
- Center for Global Development, Washington, DC, USA
- Harvard Medical School, Boston, MA, USA
- Affiliate Professor, Technology and Operations Management, INSEAD
| | - Nathalie Strub-Wourgaft
- Heidelberg Institute of Global Health, University of Heidelberg, Heidelberg, Germany
- Drugs for Neglected Diseases Initiative, Geneva, Switzerland
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Banthia R, Yadav P, Ansari M, Kakoti S. Early warning parameters for the development of chronic kidney disease in children with posterior urethral valves. Eur Urol 2021. [DOI: 10.1016/s0302-2838(21)01458-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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Naniche D, Hotez P, Bottazzi ME, Ergonul O, Figueroa JP, Gilbert S, Gursel M, Hassanain M, Kang G, Kaslow D, Kim JH, Lall B, Larson H, Sheahan T, Shoham S, Wilder-Smith A, Sow SO, Strub-Wourgaft N, Yadav P, Batista C. Beyond the jab: A need for global coordination of pharmacovigilance for COVID-19 vaccine deployment. EClinicalMedicine 2021; 36:100925. [PMID: 34099998 PMCID: PMC8173024 DOI: 10.1016/j.eclinm.2021.100925] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/05/2021] [Accepted: 05/10/2021] [Indexed: 12/05/2022] Open
Affiliation(s)
- Denise Naniche
- ISGlobal-Barcelona Institute for Global Health-Hospital Clinic-University of Barcelona, Spain
- Corresponding author.
| | - Peter Hotez
- Texas Children's Center for Vaccine Development, Baylor College of Medicine, Houston, TX, USA
| | - Maria Elena Bottazzi
- Texas Children's Center for Vaccine Development, Baylor College of Medicine, Houston, TX, USA
| | - Onder Ergonul
- Koç University Research Center for Infectious Diseases, Istanbul, Turkey
| | | | - Sarah Gilbert
- Nuffield Department of Medicine, Oxford University, Jenner Institute, Oxford, UK
| | - Mayda Gursel
- Middle East Technical University, Ankara, Turkey
| | - Mazen Hassanain
- College of Medicine, King Saud University, Riyadh, Saudi Arabia
| | | | - David Kaslow
- Program for Appropriate Technology in Health (PATH) Essential Medicines, PATH, Seattle, WA, USA
| | - Jerome H Kim
- International Vaccine Institute, Seoul, South Korea
| | - Bhavna Lall
- University of Houston College of Medicine, Houston, TX, USA
| | - Heidi Larson
- London School of Hygiene & Tropical Medicine, London, UK
| | - Timothy Sheahan
- University of North Carolina, Gillings School of Global Public Health, Chapel Hill, NC, USA
| | - Shmuel Shoham
- Johns Hopkins University School of Medicine, Baltimore, MD, USA
| | - Annelies Wilder-Smith
- London School of Hygiene & Tropical Medicine, London, UK
- Heidelberg Institute of Global Health, University of Heidelberg, Heidelberg, Germany
| | - Samba O. Sow
- Center for Vaccine Development, Bamako, Mali
- University of Maryland, MD, USA
| | - Nathalie Strub-Wourgaft
- Heidelberg Institute of Global Health, University of Heidelberg, Heidelberg, Germany
- Drugs for Neglected Diseases Initiative, Geneva, Switzerland
| | - Prashant Yadav
- Center for Global Development, Washington, DC, USA
- Harvard Medical School, Boston, MA, USA
- Technology and Operations Management, INSEAD, France
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Hotez P, Batista C, Ergonul O, Figueroa JP, Gilbert S, Gursel M, Hassanain M, Kang G, Kim JH, Lall B, Larson H, Naniche D, Sheahan T, Shoham S, Wilder-Smith A, Strub-Wourgaft N, Yadav P, Bottazzi ME. Correcting COVID-19 vaccine misinformation: Lancet Commission on COVID-19 Vaccines and Therapeutics Task Force Members. EClinicalMedicine 2021; 33:100780. [PMID: 33718854 PMCID: PMC7935671 DOI: 10.1016/j.eclinm.2021.100780] [Citation(s) in RCA: 43] [Impact Index Per Article: 14.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/01/2021] [Revised: 02/06/2021] [Accepted: 02/11/2021] [Indexed: 11/16/2022] Open
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Yadav P, Bhutia O, Bansal A, Lakshmanan S, Roychoudhury A. Does closed treatment of paediatric mandibular condyle fractures result in restitutional remodelling? Br J Oral Maxillofac Surg 2021; 59:798-806. [PMID: 34272113 DOI: 10.1016/j.bjoms.2021.01.016] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/19/2020] [Accepted: 01/30/2021] [Indexed: 11/25/2022]
Abstract
The treatment of paediatric mandibular condylar fracture (PMCF) is typically non-operative. The purpose of this study was to determine if non-operative management of PMCF results in a new condylar process of normal morphology to regenerate after closed treatment (restitutional remodelling). The specific aim of the study was to observe restitutional remodelling (RM) in PMCF and review the literature. The investigators designed and implemented a retrospective study on paediatric patients (age<12) with unilateral or bilateral condyle fractures treated with non-operative treatment between January 2005 and July 2015. Patients with complete records and at least 1-year follow-up were included in the study. Primary outcome variable was RM and secondary outcome variables were occlusion, maximal incisal opening (MIO), displacement, infection, facial asymmetry, and signs of temporomandibular joint ankylosis (TMJA). The study evaluated 41 patients {n=57 PMCF, (m:f-35:6)} of unilateral (n=25) and bilateral (n=16) PMCF. Fractured condyles remodelled to normal morphology in all the cases at follow-up. The Wilcoxon test revealed a statistically significant difference in MIO from the preoperative value to postoperative (p=0.001). Occlusion (except 1) was satisfactory in all cases, at follow-up with no gross facial asymmetry. There was no sign of infection at the surgical site (anterior mandible). None of the patients showed signs of TMJA at follow-up. The result of the present study demonstrates that RM of condylar fracture occurs with non-operative management. Non-operative management should be the point of care in PMCF, owing to the rapid RM, bone regeneration, and satisfactory outcome. Review of the literature also supports closed treatment.
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Affiliation(s)
- P Yadav
- Department of Oral & Maxillofacial Surgery, All India Institute of Medical Sciences, New Delhi, India
| | - O Bhutia
- Department of Oral & Maxillofacial Surgery, All India Institute of Medical Sciences, New Delhi, India
| | - A Bansal
- Department of Oral & Maxillofacial Surgery, All India Institute of Medical Sciences, New Delhi, India
| | - S Lakshmanan
- Department of Oral & Maxillofacial Surgery, All India Institute of Medical Sciences, New Delhi, India
| | - A Roychoudhury
- Department of Oral & Maxillofacial Surgery, All India Institute of Medical Sciences, New Delhi, India.
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Yadav R, Yadav P, Kumar SS, Kumar R. Assessment of Depression, Anxiety, and Sleep Disturbance in COVID-19 Patients at Tertiary Care Center of North India. J Neurosci Rural Pract 2021; 12:316-322. [PMID: 33927522 PMCID: PMC8064836 DOI: 10.1055/s-0040-1722811] [Citation(s) in RCA: 19] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022] Open
Abstract
Background and Objective The novel Coronavirus pandemic surfaced in Wuhan, China in December 2019 and spread rapidly across the globe. In recent available literature, most of the studies were done to estimate the burden of psychiatric problems among general population due to this pandemic, Therefore, this study was planned to assess depression, anxiety, and sleep disturbance among Coronavirus disease-2019 (COVID-19) patients. Materials and Methods A hospital-based, cross-sectional study was done from June 2020 to August 2020 among 100 COVID-19 patients who were admitted and fulfilled the inclusion criteria. Assessment of depression, anxiety, and sleep disturbance were done by patient health questionnaire-9 (PHQ-9) scale, generalized anxiety disorder-7 (GAD-7) scale and Pittsburg sleep quality index (PSQI), respectively. Results In this study, 73% were males and 27% were females. The mean age of the patients in present study was 42.90 ± 16.33 years. This study reveals that depression was in 27%, anxiety in 67%, and sleep disturbance in 62% of patients. Depression and anxiety were found significantly associated with presence of comorbidity and severity of illness ( p < 0 0.05). The association of sleep disturbance with severity of illness was also found statistically significant ( p < 0.05). Conclusion The risk of psychological stress is high in COVID-19 patients. The psychological problems among COVID-19 patients are commonly related to the consequences of disease, and severity and contagiousness of the disease. Therefore, in this present pandemic situation, it is more important to identify these psychological problems among COVID-19 patients, so that better care and timely interventions can be done with respect to psychological issues.
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Affiliation(s)
- Ramakant Yadav
- Department of Neurology, UP University of Medical Sciences, Saifai, Etawah, Uttar Pradesh, India
| | - Prashant Yadav
- Department of Respiratory Medicine, UP University of Medical Sciences, Saifai, Etawah, Uttar Pradesh, India
| | - Sushil Shukla Kumar
- Department of Community Medicine, UP University of Medical Sciences, Saifai, Etawah, Uttar Pradesh, India
| | - Raj Kumar
- Department of Neurosurgery, UP University of Medical Sciences, Saifai, Etawah, Uttar Pradesh, India
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Yadav P, Thakur S, Agarwal P, Sharma D, Kukrele R. Perforator-based propeller flap for coverage of lower leg: Single centre experience. Trop Doct 2021; 51:331-338. [PMID: 33472566 DOI: 10.1177/0049475520988225] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Abstract
This study was conducted to assess outcomes of propeller flaps for reconstruction of small- to medium-sized defects in the distal third of the leg. Of 53 lower third leg defects covered using the propeller flap, 43 survived without complications. Only minor complications were seen and no flap was lost completely. The propeller flap is thus a safe option for medium-sized defects of the lower leg.
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Affiliation(s)
- Prashant Yadav
- Doctor, Plastic Surgery Unit, Department of Surgery, NSCB Government Medical College, Jabalpur, India
| | - Sharad Thakur
- Doctor, Plastic Surgery Unit, Department of Surgery, NSCB Government Medical College, Jabalpur, India
| | - Pawan Agarwal
- Professor, Plastic Surgery Unit, Department of Surgery, NSCB Government Medical College, Jabalpur, India
| | - Dhananjaya Sharma
- Professor, Plastic Surgery Unit, Department of Surgery, NSCB Government Medical College, Jabalpur, India
| | - Rajeev Kukrele
- Doctor, Plastic Surgery Unit, Department of Surgery, NSCB Government Medical College, Jabalpur, India
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Meena PR, Yadav P, Hemlata H, Tejavath KK, Singh AP. Poultry-origin extraintestinal Escherichia coli strains carrying the traits associated with urinary tract infection, sepsis, meningitis and avian colibacillosis in India. J Appl Microbiol 2020; 130:2087-2101. [PMID: 33095966 DOI: 10.1111/jam.14905] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/02/2020] [Revised: 10/03/2020] [Accepted: 10/12/2020] [Indexed: 12/29/2022]
Abstract
AIM In-depth 'One Health' risk assessment of extraintestinal pathogenic Escherichia coli (ExPEC) strains carrying the traits of urinary tract infection, sepsis, meningitis and avian colibacillosis in poultry of India. METHODS AND RESULTS A total of 230 E. coli isolates were recovered from chicken samples representing the different sources (faeces vs caeca), stages (poultry farms vs retails butcher shop) or environments (rural vs urban) of poultry in India. Among all poultry-origin E. coli isolates, 49 (21·1%) strains were identified as ExPEC possessing multiple virulence determinants regardless of their association with any specific phylogenetic lineages. Of particular, potentially virulent ExPEC pathotypes, that is, uropathogenic E.coli (UPEC, 20·4%), avian pathogenic E. coli (APEC, 34·6%), septicaemia-associated E. coli (SEPEC, 47·0%) and neonatal meningitis-causing E.39 coli (NMEC, 2·0%) were also detected among all ExPEC strains. CONCLUSIONS Our study is the first to assess ExPEC strains circulating in the different settings of poultry in India and significantly demonstrates their potential ability to cause multiple extraintestinal infections both in humans and animals. SIGNIFICANCE AND IMPACT OF THE STUDY The data of our study are in favour of the possibility that poultry-origin putative virulent ExPEC pathotypes consequently constitute a threat risk to 'One Health' or for food safety and a great concern for poultry production of India.
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Affiliation(s)
- P R Meena
- Department of Microbiology, School of Life Sciences, Central University of Rajasthan, Rajasthan, India
| | - P Yadav
- Department of Microbiology, School of Life Sciences, Central University of Rajasthan, Rajasthan, India
| | - H Hemlata
- Department of Biochemistry, School of Life Sciences, Central University of Rajasthan, Rajasthan, India
| | - K K Tejavath
- Department of Biochemistry, School of Life Sciences, Central University of Rajasthan, Rajasthan, India
| | - A P Singh
- Department of Microbiology, School of Life Sciences, Central University of Rajasthan, Rajasthan, India
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Cusumano D, Boldrini L, Yadav P, Gao Y, Chiloiro G, Piras A, Broggi S, Lenkowicz J, Placidi L, Musunuru H, Dinapoli N, Barbaro B, Azario L, Gambacorta M, De Spirito M, Basetti M, Yang Y, Fiorino C, Valentini V. PH-0715: External validation of ERITCP as response predictor in rectal cancer using MR-guided Radiotherapy. Radiother Oncol 2020. [DOI: 10.1016/s0167-8140(21)00737-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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42
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Carlson P, Kuczmarska-Haas A, Witt J, Yadav P, Bassetti M. A Retrospective Review Of Outcomes In Locally Advanced Pancreatic Cancer Patients Treated With Dose-Escalated External Beam Radiation. Int J Radiat Oncol Biol Phys 2020. [DOI: 10.1016/j.ijrobp.2020.07.1808] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
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43
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Blitzer G, Yadav P, Ko H, Kuczmarska-Haas A, Burr A, Bassetti M, Steinhoff D, Meudt J, Hebel D, Bailey S, Morris Z. Visualizing the Prostatic Urethra by MRI Voiding Scan: Results of a Prospective Clinical Trial Evaluating a Novel Approach to Radiotherapy Simulation for Prostate Cancer. Int J Radiat Oncol Biol Phys 2020. [DOI: 10.1016/j.ijrobp.2020.07.636] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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44
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Lee S, Yadav P, Van Der Kogel A, Bassetti M. Simulated Single Fraction Stereotactic Body Radiation Therapy for the Treatment of Abdominal Oligometastatic Disease with Online Adaptive Magnetic Resonance Guidance: A Feasibility Study. Int J Radiat Oncol Biol Phys 2020. [DOI: 10.1016/j.ijrobp.2020.07.1394] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
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45
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Enright T, Witt J, Burr A, Yadav P, Leal T, Baschnagel A. Immunotherapy Combined with Stereotactic Radiotherapy Improves Intracranial Control for Non-Small Cell Lung Cancer. Int J Radiat Oncol Biol Phys 2020. [DOI: 10.1016/j.ijrobp.2020.07.1205] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
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46
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Lee S, Mahler P, Olson S, Witt J, Musunuru H, Bassetti M, Yadav P. Comparison of Cardiac Substructure Dosimetry in Gastro-Esophageal Junction Cancer: Respiratory-Gated MR-Linac Plans Versus 4DCT VMAT Plans. Int J Radiat Oncol Biol Phys 2020. [DOI: 10.1016/j.ijrobp.2020.07.763] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
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47
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Yadav P, Burr A, Lee S, Mahler P, Baschnagel A, Kipp R, Bassetti M. Decreased Treatment Volumes are Possible with MIBH MRgRT Compared to 4DCT for Ventricular Tachycardia: A Comparative Treatment Planning Study. Int J Radiat Oncol Biol Phys 2020. [DOI: 10.1016/j.ijrobp.2020.07.2228] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
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48
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Merfeld E, Yadav P, Rottier A, Condit K, Bayouth J, Baschnagel A. Quantitative CT Assessment of Emphysema in Medically Inoperable Patients Treated with Stereotactic Lung Radiotherapy. Int J Radiat Oncol Biol Phys 2020. [DOI: 10.1016/j.ijrobp.2020.07.1228] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
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49
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Kuczmarska-Haas A, Yadav P, Burr A, Witt J, Blitzer G, Bassetti M. MR-Guided Liver Stereotactic Body Radiotherapy (SBRT): To Adapt, or Not to Adapt? Int J Radiat Oncol Biol Phys 2020. [DOI: 10.1016/j.ijrobp.2020.07.893] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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50
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Yadav S, Kumar R, Vipin Raj K, Yadav P, Vanka K, Sen SS. Amidinato Germylene‐Zinc Complexes: Synthesis, Bonding, and Reactivity. Chem Asian J 2020; 15:3116-3121. [DOI: 10.1002/asia.202000807] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/11/2020] [Revised: 08/10/2020] [Indexed: 11/11/2022]
Affiliation(s)
- Sandeep Yadav
- Inorganic Chemistry and Catalysis Division CSIR-National Chemical Laboratory Dr. Homi Bhabha Road, Pashan Pune 411008 India
- Academy of Scientific and Innovative Research (AcSIR) Ghaziabad 201002 India
| | - Rohit Kumar
- Inorganic Chemistry and Catalysis Division CSIR-National Chemical Laboratory Dr. Homi Bhabha Road, Pashan Pune 411008 India
- Academy of Scientific and Innovative Research (AcSIR) Ghaziabad 201002 India
| | - K. Vipin Raj
- Academy of Scientific and Innovative Research (AcSIR) Ghaziabad 201002 India
- Physical and Material Chemistry Division CSIR-National Chemical Laboratory Dr. Homi Bhabha Road, Pashan Pune 411008 India)
| | - Prashant Yadav
- Academy of Scientific and Innovative Research (AcSIR) Ghaziabad 201002 India
- Polymer Science & Engineering Division CSIR-National Chemical Laboratory Dr. Homi Bhabha Road, Pashan Pune 411008 India
| | - Kumar Vanka
- Academy of Scientific and Innovative Research (AcSIR) Ghaziabad 201002 India
- Physical and Material Chemistry Division CSIR-National Chemical Laboratory Dr. Homi Bhabha Road, Pashan Pune 411008 India)
| | - Sakya S. Sen
- Inorganic Chemistry and Catalysis Division CSIR-National Chemical Laboratory Dr. Homi Bhabha Road, Pashan Pune 411008 India
- Academy of Scientific and Innovative Research (AcSIR) Ghaziabad 201002 India
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