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Caudle MM, Dugas NN, Patel K, Moore RC, Thomas ML, Bomyea J. Repetitive negative thinking as a unique transdiagnostic risk factor for suicidal ideation. Psychiatry Res 2024; 334:115787. [PMID: 38367453 DOI: 10.1016/j.psychres.2024.115787] [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] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/08/2023] [Revised: 01/27/2024] [Accepted: 02/10/2024] [Indexed: 02/19/2024]
Abstract
Repetitive negative thinking (RNT) is a transdiagnostic symptom observed across mood and anxiety disorders and is characterized by frequent, distressing thoughts that are perceived as uncontrollable. Specific forms of RNT have been linked to increased suicide risk. However, most work examining links between RNT and suicide has been conducted within specific disorders and subtypes of RNT (e.g., rumination in individuals with depression). The present study aimed to investigate associations between transdiagnostic RNT and suicidal ideation. We hypothesized RNT would be associated with suicide risk beyond disorder-specific clinical symptoms. Fifty-four participants with mood, anxiety, and/or traumatic stress disorders completed an interview assessing suicidal risk (Columbia-Suicide Severity Rating Scale (C-SSRS)) and self-report questionnaires assessing transdiagnostic RNT, depression, and anxiety. Based on C-SSRS, we divided participants into high or low suicide risk groups. We analyzed the relationship between suicidal risk group and RNT and found that RNT was uniquely associated with suicidal risk group, controlling for depression and anxiety severity. Our results suggest including assessments of RNT may have clinical utility for understanding the degree of suicide risk in individuals and point to the potential utility of including clinical interventions to target this symptom for those at high risk of suicide.
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Affiliation(s)
- M M Caudle
- San Diego State University, University of California San Diego Joint Doctoral Program in Clinical Psychology, 6363 Alvarado Court, Suite 103, San Diego, CA 92120, United States
| | - N N Dugas
- Department of Veteran Affairs Medical Center, 3350 La Jolla Village Dr, San Diego, CA 92161, United States; Department of Psychiatry, University of California, 9500 Gilman Dr, La Jolla, CA 92093, United States
| | - K Patel
- Department of Veteran Affairs Medical Center, 3350 La Jolla Village Dr, San Diego, CA 92161, United States
| | - R C Moore
- VA San Diego Center of Excellence for Stress and Mental Health, 3350 La Jolla Village Dr, San Diego, CA 92161, United States
| | - M L Thomas
- Department of Psychology, Colorado State University, Fort Collins, CO 80525, United States
| | - J Bomyea
- VA San Diego Center of Excellence for Stress and Mental Health, 3350 La Jolla Village Dr, San Diego, CA 92161, United States; Department of Psychiatry, University of California, 9500 Gilman Dr, La Jolla, CA 92093, United States.
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Mukhopadhyay D, Bandyopadhyay M, Tyagi H, Patel K. Advancement of Langmuir probe-based laser photo-detachment technique for negative ion density measurement in a high-power helicon plasma source. Rev Sci Instrum 2024; 95:043006. [PMID: 38683055 DOI: 10.1063/5.0186429] [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] [Subscribe] [Scholar Register] [Received: 11/06/2023] [Accepted: 03/30/2024] [Indexed: 05/01/2024]
Abstract
In the pursuit of precise diagnostics for measuring negative ion density in a helicon plasma source (HPS), a new approach utilizing a radio frequency (RF) broadband transformer-based Langmuir probe is developed specifically for laser photo-detachment (LPD) analysis. This inductively coupled LPD technique is useful for high power RF systems in which capacitive RF noise is in the same scale as the pulsed photo-detachment signal. The signal acquired by this transformer-based probe is compared against the conventional Langmuir probe-based LPD technique, revealing a remarkable enhancement in signal fidelity through an improved signal-to-noise ratio (SNR) achieved by the RF broadband transformer methodology. In addition, the localized hydrogen negative ion density measurements obtained through this probe are harmoniously aligned with the line-averaged negative ion density derived from the cavity ringdown spectroscopy (CRDS) technique. These concurrence measurements highlight the RF broadband transformer-based approach's accuracy in capturing localized negative ion density during helicon mode operation in an HPS setup. Furthermore, the correlation of negative ion density values with RF input exhibits a consistent trend in tandem with background plasma density. Notably, both CRDS and LPD measurements ascertain negative ion densities ranging from ∼5 to 6×1016 m-3 under an RF power of 500-700 W and a pressure of 8 × 10-3 mbar, all under the influence of a 55 G axial magnetic field. These specific parameters represent the optimal operational configuration for effective negative ion production with the present experimental HPS setup. Due to its better SNR, the RF broadband transformer-based Langmuir probe emerges as a useful tool for LPD diagnostics, particularly in the presence of pervasive RF noise.
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Affiliation(s)
- D Mukhopadhyay
- Institute for Plasma Research, Bhat, Gandhinagar 382428, Gujarat, India
- Homi Bhabha National Institute (HBNI), Anushaktinagar, Mumbai 400094, Maharashtra, India
| | - M Bandyopadhyay
- Institute for Plasma Research, Bhat, Gandhinagar 382428, Gujarat, India
- Homi Bhabha National Institute (HBNI), Anushaktinagar, Mumbai 400094, Maharashtra, India
- ITER-India Institute for Plasma Research, Bhat, Gandhinagar 382428, Gujarat, India
| | - H Tyagi
- ITER-India Institute for Plasma Research, Bhat, Gandhinagar 382428, Gujarat, India
| | - K Patel
- Institute for Plasma Research, Bhat, Gandhinagar 382428, Gujarat, India
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Banerjee D, Patel C, Patel K. Degradation of Plastic Beads Containing Low Density Polyethylene (LDPE) by Sequential Photolysis, Hydrolysis and Bacterial Isolates. Bull Environ Contam Toxicol 2024; 112:41. [PMID: 38386139 DOI: 10.1007/s00128-024-03853-6] [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] [Subscribe] [Scholar Register] [Received: 09/19/2023] [Accepted: 01/04/2024] [Indexed: 02/23/2024]
Abstract
Plastic is an important part of today's human daily lifestyle, and it is classified as a "global pollutant" due to its durability. The natural degradation of plastic is extremely slow and will take a hundred years or more. The ultimate destinations of plastics as well as their effects on the ecosystem vary with the type of plastic and the rate of their degradation. In this study, an attempt was made to explain the degradation of low-density polyethylene (LDPE) plastic beads with the help of selected bacterial isolates in both laboratory and field conditions. 16 S rRNA gene sequencing further identified the bacterial isolates as Micrococcus luteus and Bacillus pumilus, obtained from the municipal waste disposal site near Anand, Gujarat, India. The beads were subjected to photolysis and hydrolysis for a predetermined amount of time in addition to biodegradation. After 60 days of treatment with Pseudomonas aeruginosa, Micrococcus luteus, and Bacillus pumilus in both laboratory and field conditions, a significant percentage decrease in the weight of LDPE beads was observed. Pseudomonas aeruginosa was taken as a positive control. Further, the rate of degradation was found to be accelerated in the presence of 10% starch.
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Affiliation(s)
- Devjani Banerjee
- Ashok and Rita Patel Institute Of Integrated Study and Research in Biotechnology & Allied Sciences (ARIBAS), New V V Nagar, Anand, India.
- GSFC University, Vigyan Bhavan, P.O. Fertilizer Nagar, Vadodara, Gujarat, 391750, India.
| | - Chandani Patel
- Ashok and Rita Patel Institute Of Integrated Study and Research in Biotechnology & Allied Sciences (ARIBAS), New V V Nagar, Anand, India
| | - Kajal Patel
- Ashok and Rita Patel Institute Of Integrated Study and Research in Biotechnology & Allied Sciences (ARIBAS), New V V Nagar, Anand, India
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Torrico T, Patel K, Nikolov N, Salam MT, Padhy R, Weinstein D. Presence of kratom in opioid overdose deaths: findings from coroner postmortem toxicological report. Front Psychiatry 2024; 14:1332999. [PMID: 38268564 PMCID: PMC10806006 DOI: 10.3389/fpsyt.2023.1332999] [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] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/04/2023] [Accepted: 12/29/2023] [Indexed: 01/26/2024] Open
Abstract
Background Kratom (Mitragyna speciosa) use in the United States is becoming increasingly popular and its legal status varies widely from state to state. Multiple reports of adverse events associated with kratom use have ranged from liver injury, seizures, psychiatric disturbance, and rarely death. Methods This study investigated coroner autopsy reports from Kern County in California for the year 2020 which included qualitative data on substances from blood toxicological reports. Of the 214 opioid-associated accidental overdoses reported, 4 subjects (1.9%) had mitragynine (kratom) exposure on the autopsy report and were included in the study. We reported available demographic information and comorbid substance findings from the associated autopsy reports. Results All 4 individuals with mitragynine (kratom) toxicology had accidental opioid overdose deaths noted in autopsy reports. Each subject also had toxicology positive for at least one other substance. Fentanyl was found in 3 (75%) of the cases and suspected to be the primary contributor to opioid-related deaths in those cases. However, one fatality was without fentanyl, but instead had tested positive for benzodiazepines, cannabis, and other psychiatric medications. Discussion The findings of this brief report provide insight into the role that mitragynine (kratom) may have in modulating risk of opioid-related deaths. The combined use of kratom with opioids such as fentanyl appears most likely to increase the risk of a fatal overdose, but it may also occur with other medications such as benzodiazepines and psychiatric medications. It is a serious concern that in the midst of the opioid overdose epidemic there is a growing presence of kratom use in the U.S. population with a largely unregulated status.
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Affiliation(s)
- Tyler Torrico
- Department of Psychiatry, Kern Medical, Bakersfield, CA, United States
| | - Kajal Patel
- Ross University School of Medicine, Miramar, FL, United States
| | - Nicole Nikolov
- Ross University School of Medicine, Miramar, FL, United States
| | - Md Towhid Salam
- Department of Psychiatry, Kern Medical, Bakersfield, CA, United States
- Department of Population and Public Health Sciences, University of Southern California, Los Angeles, CA, United States
| | - Ranjit Padhy
- Department of Psychiatry, Kern Medical, Bakersfield, CA, United States
| | - David Weinstein
- Department of Psychiatry, Kern Medical, Bakersfield, CA, United States
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Sarwar A, Syed L, Patel K, Reid I, Abonyi E, Banas N, Lowe G, Bryant L, Hoskin P. Image-guided Interstitial Brachytherapy in the Treatment of Primary and Recurrent Vulvovaginal Gynaecological Malignancies. Clin Oncol (R Coll Radiol) 2024; 36:6-11. [PMID: 37923687 DOI: 10.1016/j.clon.2023.10.051] [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: 09/22/2023] [Accepted: 10/24/2023] [Indexed: 11/07/2023]
Abstract
AIMS To evaluate the use, outcomes and toxicities of high dose rate brachytherapy (HDRB) to the vulvovaginal region in previously irradiated and radiotherapy-naïve patients for primary or recurrent gynaecological malignancies. MATERIALS AND METHODS From January 2010 to December 2020, 94 women with a median age of 64 years (range 31-88 years) were treated with interstitial HDRB for vulvovaginal disease. Treatment details, including cumulative radiotherapy doses, were recorded together with reported toxicity, using Common Terminology Criteria for Adverse Events (CTCAE) grading. Dosimetric parameters, including D90, V100 and V150 together with treatment response at 3 months, overall survival, relapse-free survival and long-term toxicity data, were collated from referring centres. RESULTS The median follow-up was 78 months (range 2-301). Primary sites of disease included vagina (37), endometrium (29), vulva (16), ovary (7) and cervix (5). Eighty-six (91.5%) patients were treated with curative intent, eight (8.5%) were palliative treatments. Fifty patients received HDRB for recurrent disease, 39 patients for primary disease and five as part of adjuvant treatment. The anatomical site of disease treated with HDRB ranged from vagina (76), vulva (14) and peri-urethral sites (four). The 2- and 5-year local relapse-free survival rates were 76% and 72%, respectively; 15 patients experienced local failure only, whereas six patients had local and nodal/distant failure. The median time to local recurrence was 8 months (range 2-88 months). The 2- and 5-year overall survival rates for all patients were 67% and 47%, respectively; the median overall survival was 59 months. Seventy-nine (84%) patients had a complete response measured with imaging at 3 months. Grade 3 toxicity was reported in 14 patients (14.8%). CONCLUSION This retrospective series suggests the use of interstitial brachytherapy for vulvovaginal gynaecological malignancy to be an effective and safe treatment option. Good local control was achieved with a tolerable toxicity profile; it is a valuable treatment modality.
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Affiliation(s)
- A Sarwar
- Mount Vernon Cancer Centre, Northwood, UK.
| | - L Syed
- Mount Vernon Cancer Centre, Northwood, UK
| | - K Patel
- Mount Vernon Cancer Centre, Northwood, UK
| | - I Reid
- Mount Vernon Cancer Centre, Northwood, UK
| | - E Abonyi
- Mount Vernon Cancer Centre, Northwood, UK
| | - N Banas
- Mount Vernon Cancer Centre, Northwood, UK
| | - G Lowe
- Mount Vernon Cancer Centre, Northwood, UK
| | - L Bryant
- Mount Vernon Cancer Centre, Northwood, UK
| | - P Hoskin
- Mount Vernon Cancer Centre, Northwood, UK
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Khatri H, Pathak R, Yadav R, Patel K, Jyothi R R, Singh A. DENTAL CAVITIES IN PEOPLE WITH TYPE 2 DIABETES MELLITUS: AN ANALYSIS OF RISK INDICATORS. Georgian Med News 2023:140-145. [PMID: 38325313] [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] [Subscribe] [Scholar Register] [Indexed: 02/09/2024]
Abstract
Diabetes is associated with a greater number of dental cavities. It is unclear, therefore, how potential risk factors such as salivary glucose, glycemic control and blood sugar could impact the onset of dental caries between people that have type 2 diabetes (T2D). Aim of the study - analyzing the risk factors for oral cavity disease in T2D patients. We analyzed the patient data including their dietary habits, dental hygiene practices, age and control of glycemic. The Indian dataset was used. Individual patient observations include the patient's diabetes classification as a range of medical attributes such as age, pregnancy, pedigree, glucose, body mass index, skin, blood pressure and insulin. The research discovered a significant correlation between poorly managed glycemic levels and dental caries are more prevalent in people with T2DM. High sugar consumption and poor oral hygiene habits have been identified as risk factors. These results highlight the need for integrating diabetes treatment measures with dental care to reduce dental caries in this susceptible group. Utilizing dental cavities into account improves oral health and has a positive impact on health outcomes for those with type 2 diabetes.
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Affiliation(s)
- H Khatri
- 1Department of Pharmacy, Vivekananda Global University, Jaipur, India
| | - R Pathak
- 2Department of Periodontology, TMDC&RC, Teerthanker Mahaveer University, Moradabad, Uttar Pradesh, India
| | - R Yadav
- 3Department of Pharmacy, Noida Institute of Engineering and Technology (Pharmacy Institute), Uttar Pradesh, India
| | - K Patel
- 4Department of Gynaecology, Parul University, PO Limda, Tal. Waghodia, District Vadodara, Gujarat, India
| | - R Jyothi R
- 5Department of Life Sciences, School of Sciences, JAIN (Deemed-to-be University), Karnataka, India
| | - A Singh
- 6School of Pharmacy & Research, Dev Bhoomi Uttarakhand University, Dehradun, India
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Kumar B, Tanwar S, Ganta S, Saxena K, Patel K, Asha K. INVESTIGATING THE EFFECT OF NICOTINE FROM CIGARETTES ON THE GROWTH OF ABDOMINAL AORTIC ANEURYSMS: REVIEW. Georgian Med News 2023:183-188. [PMID: 38325321] [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] [Subscribe] [Scholar Register] [Indexed: 02/09/2024]
Abstract
Separating aneurysmal arterial disease from atherosclerosis and further occlusive artery conditions, it is a vascular degenerative disorder. Within the vascular tree, there is a regionalization of the propensity to produce aneurysms and the different locations result in different clinical processes. As the predominant risk factor for ubrenal abdominal aortic aneurysm (AAA), smoking is one of the most common manifestations of aneurysmal illness. For AAA compared to atherosclerosis, smoking is a far bigger risk factor. Along with contributing to the pathophysiology of AAA, smoking raises the likelihood that established AAA will rupture as well as its rate of expansion. The development of improved models for animals that are reliant on smoke or smoke constituents is helping to determine the mechanistic connection between AAA and smoking. According to the processes, there are long-lasting changes in the function of inflammatory and vascular smooth muscle cells. Focused on AAA, this review looks at the medical, epidemiology and mechanical evidence that links smoking to aneurysms.
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Affiliation(s)
- B Kumar
- 1School of Pharmacy & Research, Dev Bhoomi Uttarakhand University, Dehradun, India
| | - S Tanwar
- 2Department of Pharmacy, Vivekananda Global University, Jaipur, India
| | - Sh Ganta
- 3Department of Community Medicine, Teerthanker Mahaveer University, Moradabad, Uttar Pradesh, India
| | - K Saxena
- 4Department of Computer Science and Engineering, Noida Institute of Engineering and Technology, Greater Noida, Uttar Pradesh, India
| | - K Patel
- 5Department of Gynaecology, Parul University, PO Limda, Tal. Waghodia, District Vadodara, Gujarat, India
| | - K Asha
- 6Department of Life Sciences, School of Sciences, JAIN (Deemed-to-be University), Karnataka, India
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Amos HM, Skaff NK, Uz SS, Policelli FS, Slayback D, Macorps E, Jo MJ, Patel K, Keller CA, Abue P, Buchard V, Werner AK. Public Health Data Applications Using the CDC Tracking Network: Augmenting Environmental Hazard Information With Lower-Latency NASA Data. Geohealth 2023; 7:e2023GH000971. [PMID: 38098874 PMCID: PMC10719610 DOI: 10.1029/2023gh000971] [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] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 09/29/2023] [Revised: 11/09/2023] [Accepted: 11/10/2023] [Indexed: 12/17/2023]
Abstract
Exposure to environmental hazards is an important determinant of health, and the frequency and severity of exposures is expected to be impacted by climate change. Through a partnership with the U.S. National Aeronautics and Space Administration, the U.S. Centers for Disease Control and Prevention's National Environmental Public Health Tracking Network is integrating timely observations and model data of priority environmental hazards into its publicly accessible Data Explorer (https://ephtracking.cdc.gov/DataExplorer/). Newly integrated data sets over the contiguous U.S. (CONUS) include: daily 5-day forecasts of air quality based on the Goddard Earth Observing System Composition Forecast, daily historical (1980-present) concentrations of speciated PM2.5 based on the modern era retrospective analysis for research and applications, version 2, and Moderate Resolution Imaging Spectroradiometer (MODIS) daily near real-time maps of flooding (MCDWD). Data integrated into the CDC Tracking Network are broadly intended to improve community health through action by informing both research and early warning activities, including (a) describing temporal and spatial trends in disease and potential environmental exposures, (b) identifying populations most affected, (c) generating hypotheses about associations between health and environmental exposures, and (d) developing, guiding, and assessing environmental public health policies and interventions aimed at reducing or eliminating health outcomes associated with environmental factors.
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Affiliation(s)
- H. M. Amos
- Earth Science DivisionGoddard Space Flight CenterNational Aeronautics and Space AdministrationGreenbeltMDUSA
- Science Systems and Applications, Inc.LanhamMDUSA
| | - N. K. Skaff
- National Center for Environmental HealthCenters for Disease Control and PreventionAtlantaGAUSA
| | - S. Schollaert Uz
- Earth Science DivisionGoddard Space Flight CenterNational Aeronautics and Space AdministrationGreenbeltMDUSA
| | - F. S. Policelli
- Earth Science DivisionGoddard Space Flight CenterNational Aeronautics and Space AdministrationGreenbeltMDUSA
| | - D. Slayback
- Earth Science DivisionGoddard Space Flight CenterNational Aeronautics and Space AdministrationGreenbeltMDUSA
- Science Systems and Applications, Inc.LanhamMDUSA
| | - E. Macorps
- Earth Science DivisionGoddard Space Flight CenterNational Aeronautics and Space AdministrationGreenbeltMDUSA
- NASA Postdoctoral Program, NASA Goddard Space Flight CenterGreenbeltMDUSA
| | - M. J. Jo
- Earth Science DivisionGoddard Space Flight CenterNational Aeronautics and Space AdministrationGreenbeltMDUSA
- University of Maryland Baltimore CountyBaltimoreMDUSA
| | - K. Patel
- Science Systems and Applications, Inc.LanhamMDUSA
- University of TexasAustinTXUSA
| | - C. A. Keller
- Earth Science DivisionGoddard Space Flight CenterNational Aeronautics and Space AdministrationGreenbeltMDUSA
- Morgan State UniversityBaltimoreMDUSA
| | - P. Abue
- Science Systems and Applications, Inc.LanhamMDUSA
- University of TexasAustinTXUSA
| | - V. Buchard
- Earth Science DivisionGoddard Space Flight CenterNational Aeronautics and Space AdministrationGreenbeltMDUSA
- University of Maryland Baltimore CountyBaltimoreMDUSA
| | - A. K. Werner
- National Center for Environmental HealthCenters for Disease Control and PreventionAtlantaGAUSA
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Grady JS, Camargo J, Barajas S, Patel K. Shy, happy, calm, and controlled: Temperament correlates of socioemotional adjustment in toddlerhood. Emotion 2023; 23:2344-2355. [PMID: 37067494 DOI: 10.1037/emo0001239] [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: 04/18/2023]
Abstract
Understanding heterogeneity in shy or inhibited children's risk for poor socioemotional adjustment can inform intervention targets. The present study considered temperament traits associated with approach and regulation that may alter trajectories away from internalizing behaviors and poor socioemotional competence among shy toddlers. Fifty-five 22-24-month-old children (22 boys) preselected for parent-reported shyness were observed during laboratory tasks designed to measure shyness, activity level, positive affect, and inhibitory control between January 2016 and January 2018. Basal respiratory sinus arrhythmia (RSA) was obtained for a subset of the sample from recordings of cardiac activity as toddlers watched a neutral video. Hierarchical regression analyses predicted internalizing and competence from activity level, positive affect, inhibitory control, and basal RSA, alone and in interaction with shyness, while controlling for child gender. Activity level was positively associated with internalizing behaviors, and inhibitory control and positive affect were negatively associated with internalizing behaviors. Importantly, shyness was associated with more internalizing behaviors among children low in inhibitory control or high in basal RSA, but not among children high in inhibitory control or low in basal RSA. Relations between temperament traits and socioemotional adjustment were specific to internalizing behaviors and did not generalize to competence. The present findings suggest that in toddlerhood positive affect and inhibitory control may serve as protective factors for shy children, lessening risk for internalizing problems, whereas high activity or greater basal RSA may forecast risk. (PsycInfo Database Record (c) 2023 APA, all rights reserved).
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Affiliation(s)
| | | | | | - Kajal Patel
- Department of Psychology, University of the Pacific
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10
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Kumar S, Yadav S, Patel K, Jyothi R, Kumar B, Patidar V. EARLY IMPLANT OUTCOMES IN ADULTS WITH DENTAL DECAY TREATED WITH PHOTODYNAMIC TREATMENT. Georgian Med News 2023:19-26. [PMID: 38236093] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Subscribe] [Scholar Register] [Indexed: 01/19/2024]
Abstract
A fast implant is a kind of implant to place in the cavity right away after dental extraction. These implants are shown to maintain cervical marrow and reduce the number of surgery operations required for patients. The Photodynamic treatment (PDT) uses antimicrobial processes to supplement nonsurgical periodontal therapy. Combined through the scaling and root planning (SRP), and PDT is more effective. This study aims to assess the effects of PDT on initial findings with dental implants (DI) placed in patients having gum disease with SRP against patients who do not at the 12-month follow-up point. An aggregate of 25 implants were inserted in 16 patients, 12 of whom were in the test group (TG) and 13 of whom were in the control group (CG). SRP is conducted toward rapid implant assignment in the control site, while PDT as an adjunct to SRP (SRP + PDT) is executed prior to instant implant insertion in test sites. At the beginning, 4 months, 8 months, and 12 months, gingival index, radiovisiographs, inquiring pocket intensity, clinical attachment level, and plaque index were obtained. Basic durability was assessed after implant insertion, and the recovery index was measured a week later. In this analysis, Analysis of Variance (ANOVA) technique is used to predict tooth decay earlier. The CG experienced 1.10 mm of mean marginal bone loss after the 12-month research period, compared to 0.97 mm for the (SRP + PDT) group. After reaching the CG and TG, the differences in plaque score and probe depth were noteworthy. Clinical indicators compared to the basis in a year revealed unquestionable improvement, including the probing depth gingival index, plaque index and clinical attachment level. Twelve months were spent monitoring the implants in both groups. The little bone loss improved, although it isn't clinically important. The endurance rate for rapid implants in the PDT grouping is the same as that of the group that underwent SRP. The impact of PTD is utilized as a supplement to SRP. Yet, the consequence is marginal. Because of the improved results with PDT, it is used successfully as an addition to SRP.
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Affiliation(s)
- Sh Kumar
- 1Department of prosthodontics and crown & bridge, TMDC & RC, Teerthanker Mahaveer University, Moradabad, Uttar Pradesh, India
| | - S Yadav
- 2Department of Pharmacy, Noida Institute of Engineering and Technology (Pharmacy Institute), Uttar Pradesh, India
| | - K Patel
- 3Department of Gynaecology, Parul University, PO Limda, Tal. Waghodia, District Vadodara, Gujarat, India
| | - R Jyothi
- 4Department of Life Sciences, School of Sciences, JAIN (Deemed-to-be University), Karnataka, India
| | - B Kumar
- 5School of Pharmacy & Research, Dev Bhoomi Uttarakhand University, Dehradun, India
| | - V Patidar
- 6Department of Allied Healthcare and Sciences, Vivekananda Global University, Jaipur, India
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Lee S, Patel K, Howard M, Tate B. Allergic contact dermatitis associated with rubber-based cosmetic sponge. Contact Dermatitis 2023; 89:382-383. [PMID: 37533312 DOI: 10.1111/cod.14390] [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] [Received: 05/18/2023] [Revised: 07/23/2023] [Accepted: 07/24/2023] [Indexed: 08/04/2023]
Affiliation(s)
- Sangho Lee
- School of Medicine, Monash University, Melbourne, Victoria, Australia
| | - Kajal Patel
- Skin Health Institute, Melbourne, Victoria, Australia
| | - Matthew Howard
- Skin Health Institute, Melbourne, Victoria, Australia
- Department of Dermatology, Monash Health, Melbourne, Victoria, Australia
| | - Bruce Tate
- Skin Health Institute, Melbourne, Victoria, Australia
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Jain G, Patel K, Shah U, Sasi M, Sarna S, Singh S. INNOVATIONS IN FOCUS: MECHANISTIC DISEASE THEORIES, CLIMATE DYNAMICS, AND HOST-PARASITE ADAPTATIONS. Georgian Med News 2023:186-192. [PMID: 38096538] [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] [Subscribe] [Scholar Register] [Indexed: 12/18/2023]
Abstract
Infectious illnesses are predicted to experience a range of intricate responses from climate change, with some likely to rise, others to fall and many expected to undergo changes in prevalence. The study uses extensive data on global temperature variations and infectious illness transmission in people and animals. We now know a lot more about how the temperature changes across the world and whether or not the spread of infectious diseases impacts people as well as animals. Three primary topics of research are investigated in this paper: improving mechanical disease modelling, investigating the role of environmental variation in sickness dynamics, and understanding the consequences of temperature imbalances between parasites and hosts. By incorporating the latest data stemming from these advancements into weather-disease models and bridging critical knowledge gaps, enhancing our ability to forecast the probable effect of rising temperatures on the prevalence of diseases among both human and animal communities is possible. Through the establishment of important information gaps and the incorporation of new findings into models of climate-disease relationships, it will be possible to predict the effects of changes in climatic averages, variations and extremes on people and wildlife health.
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Affiliation(s)
- G Jain
- 1Department of Computer Science and Business Systems, Noida Institute of Engineering and Technology, Greater Noida, Uttar Pradesh, India
| | - K Patel
- 2Department of Gynaecology, Parul University, PO Limda, Tal. Waghodia, District Vadodara, Gujarat, India
| | - U Shah
- 3Department of Genetics, School of Sciences, JAIN (Deemed-to-be University), Karnataka, India
| | - M Sasi
- 4School of Agriculture, Dev Bhoomi Uttarakhand University, Dehradun, India
| | - S Sarna
- 5Department of Allied Healthcare and Sciences, Vivekananda Global University, Jaipur, India
| | - S Singh
- 6Department of Microbiology, TMMC&RC, Teerthanker Mahaveer University, Moradabad, Uttar Pradesh, India
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Patel K, Rydzewski NR, Schott EE, Cooley-Zgela TC, Ning H, Cheng JY, Pinto PA, Salerno KE, Lindenberg L, Mena E, Turkbey B, Choyke P, Citrin DE. A Phase I Trial of Focal Salvage Stereotactic Body Radiation Therapy for Radiorecurrent Prostate Cancer. Int J Radiat Oncol Biol Phys 2023; 117:e426-e427. [PMID: 37785396 DOI: 10.1016/j.ijrobp.2023.06.1587] [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) Locally recurrent prostate cancer after radiotherapy (RT) is an increasingly recognized entity with no standard management. NCT03253744 was a phase I trial with a primary objective of identifying the maximally tolerated dose (MTD) of a course of image-guided, focal, salvage stereotactic body radiotherapy (SBRT) for patients with local recurrence after prior definitive RT. Additional objectives included biochemical control and imaging response on mpMRI and 18F-DCFPyL (PSMA) PET/CT. MATERIALS/METHODS SBRT was prescribed to three dose levels (DLs): 40Gy (DL1), 42.5Gy (DL2), and 45Gy (DL3) in 5 fractions. The prescription dose was delivered to a PTV defined by mpMRI and PSMA imaging and biopsy confirmed tumor volume. Dose escalation followed a 3+3 design with a 3-patient expansion at the MTD. Toxicities above baseline were scored using CTCAE v5.0 criteria for two years after completion of SBRT. Escalation was halted if 2 dose limiting toxicities (DLTs) were observed. DLTs were defined as any persistent (>4 days) grade 3 toxicity occurring within the first 3 weeks after SBRT, and any grade 3 GU or grade 4 GI toxicity thereafter. Imaging response was compared between baseline and 6-months by the Wilcoxon signed rank test. RESULTS Between 08/2018 and 05/2022, 8 patients underwent salvage SBRT to 11 intraprostatic lesions with a median follow-up of 27 months. No DLTs were observed on DL1. Two patients were enrolled on DL2 and both experienced grade 3 GU toxicities, prompting de-escalation and expansion (n = 6) on DL1, the MTD. The most common toxicities were grade 2 GU toxicities: acute urinary urgency/frequency, acute weak urinary stream, and noninfective cystitis. One patient at DL1 had a self-limited episode of grade 2 GI toxicity (proctitis). No grade 3 GI toxicities were observed. All but two patients achieved an undetectable PSA nadir. Only one of these experienced biochemical failure (nadir + 2.0) at 33 months with suspicion of distant metastatic failure on restaging PET/CT. Imaging response was demonstrated by MRI in all lesions with heterogeneity in volumetric response (6% to 100%). A significant (p<0.01) response on PSMA PET/CT was observed for all measured parameters (SUVMax, SUVMean, GTVPSMA, Total Lesion PSMA [SUVMean × GTVPSMA]). Of the 11 lesions, 1 (9%) demonstrated a complete response (CR) by MRI and 9 (82%) by PSMA PET/CT. A single lesion increased in volume by 0.06 cc (16%) at 6-month PSMA PET/CT compared to baseline in the only patient who did not achieve an undetectable PSA nadir and did not have imaging suggestive of distant failure. CONCLUSION On this phase I dose escalation study of salvage SBRT for isolated intraprostatic local failure after definitive RT, the MTD was 40Gy in 5 fractions. producing a 100% 24-month bPFS, with one late failure at 33 months occurring after the 24-month study period. The most frequent clinically significant toxicity was late grade 2 GU toxicity. Imaging response was demonstrated in all lesions on MRI and PSMA PET/CT with exception of a single lesion.
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Affiliation(s)
- K Patel
- Radiation Oncology Branch, National Cancer Institute, NIH, Bethesda, MD
| | - N R Rydzewski
- Radiation Oncology Branch, National Cancer Institute, NIH, Bethesda, MD
| | - E E Schott
- Radiation Oncology Branch, National Cancer Institute, NIH, Bethesda, MD
| | - T C Cooley-Zgela
- Radiation Oncology Branch, National Cancer Institute, NIH, Bethesda, MD
| | - H Ning
- Radiation Oncology Branch, National Cancer Institute, NIH, Bethesda, MD
| | - J Y Cheng
- Center for Cancer Research, National Cancer Institute, Bethesda, MD
| | - P A Pinto
- Urologic Oncology Branch, National Cancer Institute, NIH, Bethesda, MD
| | - K E Salerno
- Center for Cancer Research, National Cancer Institute, Bethesda, MD
| | - L Lindenberg
- Molecular Imaging Branch, National Cancer Institute, NIH, Bethesda, MD
| | - E Mena
- Molecular Imaging Branch, National Cancer Institute, NIH, Bethesda, MD
| | - B Turkbey
- Molecular Imaging Branch, National Cancer Institute, NIH, Bethesda, MD
| | - P Choyke
- Molecular Imaging Branch, Center for Cancer Research, National Cancer Institute, National Institutes of Health, Bethesda, MD
| | - D E Citrin
- Radiation Oncology Branch, National Cancer Institute, NIH, Bethesda, MD
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Ponce SEB, Small CJ, Ahmad T, Patel K, Tsai S, Kamgar M, George B, Kharofa JR, Saeed H, Dua KS, Clarke C, Aldakkak M, Evans DB, Christians K, Paulson ES, de Choudens SO, Erickson BA, Hall WA. Patterns of Locoregional Pancreatic Cancer Recurrence after Total Neoadjuvant Therapy and Implications on Optimal Neoadjuvant Radiation Treatment Volumes. Int J Radiat Oncol Biol Phys 2023; 117:e284-e285. [PMID: 37785058 DOI: 10.1016/j.ijrobp.2023.06.1270] [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) Neoadjuvant treatment for patients with localized pancreatic adenocarcinoma (PDAC) has improved survival duration. As survival increases, local disease control becomes even more important. We sought to understand the patterns of locoregional recurrence following total neoadjuvant therapy (TNT) and determine the impact of treatment volumes on recurrence. MATERIALS/METHODS Patients with PDAC managed with neoadjuvant chemotherapy and chemoradiation (TNT) followed by surgery who developed an isolated locoregional or simultaneously locoregional and distant recurrence were identified. Locoregional recurrences were individually contoured utilizing commercially available software. When available, original neoadjuvant dose distributions were registered to the scans on which the locoregional recurrences were contoured. Recurrences where then classified as in-field (> 95% of prescription dose), marginal (50-95% of prescription dose), or out of field (< 50% of prescription dose). Target volumes were created using four commonly utilized PDAC contouring guidelines to characterize the relationship of the local recurrence to the RT dose distribution. RESULTS Of 474 patients treated with TNT and surgery, 80 (17%) patients developed a locoregional recurrence with or without distant recurrence, visible on diagnostic imaging. Of the 80 patients, 56 (70%) had tumors in the pancreatic head; 46 (57.5%) were borderline resectable, 23 (28.8%) locally advanced, and 11 (13.6%) resectable. The most common initial neoadjuvant therapies were FOLFIRINOX (57.5%) and gemcitabine/nab-paclitaxel (18.8%). Chemoradiation included concurrent gemcitabine (47.5%) or 5-fluorouracil (26.3%). RT dose distributions were available for 38 patients; 22 (57.9%) had in-field failures, 9 (23.7%) marginal failures, and 7 (18.4%) out of field failures. Each published contouring atlas covered a relatively low percentage of recurrences, which are summarized in Table 1. Regions at particularly high likelihood of recurrence that were under covered on existing atlases included: aortic-diaphragmic junction, retro-pancreatic duodenal nodal basin, and the region to the right of the superior mesenteric artery (SMA). CONCLUSION We present the largest series (to our knowledge) of mapped locoregional recurrences for patients being treated with TNT in PDAC. These recurrences differ substantially from established atlases and highlight anatomical regions of highest priority for RT coverage. A novel visual contouring volume highlighting these regions will be presented which will strive to advance the use of RT in the TNT setting.
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Affiliation(s)
- S E Beltran Ponce
- Department of Radiation Oncology, Medical College of Wisconsin, Milwaukee, WI
| | - C J Small
- Department of Radiation Oncology, Medical College of Wisconsin, Milwaukee, WI
| | - T Ahmad
- Medical College of Wisconsin, Milwaukee, WI
| | - K Patel
- Medical College of Wisconsin, Milwaukee, WI
| | - S Tsai
- Department of Surgery, Division of Surgical Oncology, Medical College of Wisconsin, Milwaukee, WI
| | - M Kamgar
- Department of Hematology and Oncology, Medical College of Wisconsin, Milwaukee, WI
| | - B George
- Department of Hematology and Oncology, Medical College of Wisconsin, Milwaukee, WI
| | - J R Kharofa
- University of Cincinnati, Department of Radiation Oncology, University of Cincinnati Cancer Center, Cincinnati, OH
| | - H Saeed
- Lynn Cancer Institute, Boca Raton Regional Hospital, Baptist Health South Florida, Boca Raton, FL
| | - K S Dua
- Department of Gastroenterology, Medical College of Wisconsin, Milwaukee, WI
| | - C Clarke
- Department of Surgery, Division of Surgical Oncology, Medical College of Wisconsin, Milwaukee, WI
| | - M Aldakkak
- Department of Surgery, Division of Surgical Oncology, Medical College of Wisconsin, Milwaukee, WI
| | - D B Evans
- Department of Surgery, Division of Surgical Oncology, Medical College of Wisconsin, Milwaukee, WI
| | - K Christians
- Department of Surgery, Division of Surgical Oncology, Medical College of Wisconsin, Milwaukee, WI
| | - E S Paulson
- Department of Radiation Oncology, Medical College of Wisconsin, Milwaukee, WI
| | - S Ortiz de Choudens
- Department of Radiation Oncology, Medical College of Wisconsin, Milwaukee, WI; Department of Radiation Oncology, Froedtert & the Medical College of Wisconsin, Milwaukee, WI
| | - B A Erickson
- Department of Radiation Oncology, Medical College of Wisconsin, Milwaukee, WI
| | - W A Hall
- Department of Radiation Oncology, Medical College of Wisconsin, Milwaukee, WI
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Gupta P, Patel K, Garg G, Mathew BJ, Kale D, Singh J, Khadanga S, Purwar S, Biswas D, Singh AK, Vyas AK. Imbalance of T Helper Cell Subset Specific Transcription Factors and Associated Cytokines in Patients with Severe COVID-19. Gene Expr 2023; 22:159-166. [DOI: 10.14218/ge.2023.00016] [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: 03/15/2024]
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16
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Chaurasia M, Patel K, Rao KS. Impact of anthropogenic land uses on soil microbiological activity in a peri-urban landscape. Environ Monit Assess 2023; 195:1233. [PMID: 37728781 DOI: 10.1007/s10661-023-11822-5] [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] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/23/2023] [Accepted: 09/01/2023] [Indexed: 09/21/2023]
Abstract
Land use and land cover patterns impact soil properties and negatively affect soil microbial community and related processes. However, the information regarding the influence of urban land use on soil microbial composition and functioning is limited. Here, we investigated the impact of urban land use patterns on soil microbiological parameters by comparing five contrasting anthropogenic land use classes, i.e. agriculture, park, roadside plantation, street green, and bare land. Soil physicochemical properties, basal respiration (BR), microbial biomass carbon (MBC), and enzyme activities were estimated and correlated. The results revealed that soil physicochemical and microbiological properties greatly varied across the five land use classes. Among all the land use types, the roadside plantation had the highest nutrient content, i.e. soil organic carbon (SOC), total nitrogen (TN), and mineral nitrogen (MN) (1.33%, 0.13%, 84.0 mg kg-1, respectively), while the soil functional capacities measured in terms of BR, MBC, microbial quotient (QCO2), soil microbial activity (SMA), and dehydrogenase activity (DHA) (9.90 C µg g-1 h-1, 300 µg g-1, 0.045 µg h-1/ µg MBC, 9.0 µg ml-1, 1.30 TPF g-1 h-1, respectively) were highest in the park. Disturbed street greens were markedly nutrient depleted and apparently exhibited lower microbial activity. Variations in soil BR, MBC, and enzyme activity were revealed to be primarily influenced by soil moisture, available phosphorus, and SOC content. We concluded that the negative impacts of anthropogenic land use soil quality and microbiological functioning can be managed by integrating proper management approaches for various land use classes in urban systems.
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Affiliation(s)
| | - Kajal Patel
- Department of Botany, University of Delhi, New Delhi-110007, India
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Raja H, Patel K. Functional endoscopic sinus surgery: assessing the readability and quality of online information. Ann R Coll Surg Engl 2023; 105:639-644. [PMID: 36374281 PMCID: PMC10471431 DOI: 10.1308/rcsann.2022.0123] [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] [Accepted: 08/11/2022] [Indexed: 09/02/2023] Open
Abstract
INTRODUCTION The aim of this study was to assess the readability and quality of online information on functional endoscopic sinus surgery (FESS). METHODS The term 'functional endoscopic sinus surgery' was entered into the Google, Bing and Yahoo search engines. The first 30 websites for each search engine were screened. Readability was assessed using the Flesch-Kincaid Reading Ease Score (FRES), Flesch-Kincaid Grade (FKG), Simple Measure of Gobbledygook (SMOG) Index, and Gunning Fog Index (GFI). Quality was assessed using the DISCERN instrument. Spearman's correlation between quality and readability was calculated. RESULTS Thirty-three websites met the inclusion criteria. The mean and standard deviations for the FRES, FKG, SMOG, GFI, and DISCERN scores were 49 (13.1), 10.9 (2.5), 10.2 (1.9), 13.6 (2.4), and 51.1 (12.8), respectively. A positive correlation was noted between the FRES and DISCERN (R=0.357, p=0.041). CONCLUSIONS Online information on FESS is generally written above the recommended reading levels and of fair quality.
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Affiliation(s)
- H Raja
- University Hospitals Birmingham NHS Foundation Trust, UK
| | - K Patel
- University Hospitals Birmingham NHS Foundation Trust, UK
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Khan Z, Krishna D, Daga S, Rastogih N, Rekha M, Patel K. ADVANCEMENTS IN MINIMALLY INVASIVE SURGERY: A COMPREHENSIVE ANALYSIS OF ROBOTIC SURGERY, ENDOSCOPIC TECHNIQUES, AND NATURAL ORIFICE TRANSLUMENAL ENDOSCOPIC SURGERY. Georgian Med News 2023:87-92. [PMID: 37805880] [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] [Subscribe] [Scholar Register] [Indexed: 10/09/2023]
Abstract
The term "Natural Orifice Transluminal Endoscopic Surgery" (NOTES) defines a surgical approach that leverages the body's natural orifices to access the abdominal cavity, presenting a patient-centric perspective by highlighting its potential to eliminate abdominal wall aggression, mitigate postoperative discomfort, and offer benefits comparable to laparoscopic surgery. This comprehensive paper aims to not only review the existing landscape of NOTES techniques but also to propose advancements in flexible tools augmenting established endoscopic platforms, while also exploring the revolutionary concept of robotic structures grounded in micromechatronics and communication technologies. The thorough analysis encompasses the assessment of advantages and limitations associated with flexible devices and robotic platforms, coupled with an in-depth evaluation of the current array of devices used in NOTES, informed by pertinent literature. The authors' comprehensive approach entails scrutinizing technological breakthroughs and offering viable solutions, fostering a comprehensive understanding. Furthermore, the study encompasses an exhaustive evaluation and juxtaposition of state-of-the-art NOTES devices, supplemented by a nuanced discourse on the merits and demerits of flexible devices and robotic platforms, with a focused emphasis on their inherent strengths and weaknesses. Within this context, the discourse extends to strategic suggestions aimed at refining extant designs and cultivating robust, dependable autonomous robotic platforms purpose-built for NOTES. This narrative encapsulates the multifaceted exploration of benefits, challenges, and potential remedies directed towards enhancing prevailing designs and forging a dependable foundation for the future of NOTES.
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Affiliation(s)
- Z Khan
- 1Department of Nursing, IIMT University, Meerut, Uttar Pradesh, India
| | - D Krishna
- 2Department of Ayurveda, Sanskrit University, Mathura, Uttar Pradesh, India
| | - S Daga
- 3Department of Forensic Science, Vivekananda Global University, Jaipur, India
| | - N Rastogih
- 4Department of General Surgery, Teerthanker Mahaveer University, Moradabad, Uttar Pradesh, India
| | - M Rekha
- 5Department of Chemistry & Biochemistry, School of Sciences, JAIN (Deemed-to-be University), Karnataka, India
| | - K Patel
- 6Department of Gynaecology, Parul University, PO Limda, Tal.Waghodia, District Vadodara, Gujarat, India
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Kumar V, Bhongade R, Kumar V, Mathur P, Patel K, Jyothi R R. POSTCHOLECYSTECTOMY SYNDROME: UNDERSTANDING THE CAUSES AND DEVELOPING TREATMENT STRATEGIES FOR PERSISTENT BILIARY SYMPTOMS AFTER GALLBLADDER REMOVAL. Georgian Med News 2023:290-296. [PMID: 37805914] [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] [Subscribe] [Scholar Register] [Indexed: 10/09/2023]
Abstract
Persistent biliary symptoms following gallbladder removal, known as postcholecystectomy (PCS), can significantly impact patients' quality of life. The term PCS describes biliary symptoms that emerge or continue after the surgical removal of the gallbladder. Cholecystectomy is generally a safe procedure; however, some individuals may still experience symptoms of the biliary system thereafter. Biliary stones are more likely to be retained in patients who arrive later. Many of those people won't have a known reason for their condition. Therefore, this group will have fewer therapy alternatives. After a cholecystectomy, up to 10% of individuals may develop PCS. Patients with cholecystectomy procedures can appear with extra-biliary and associated biological illnesses. A wide range of therapeutic options are available for PCS, each having a different chance of being the cause of the condition. The purpose of this study is to present an overview of the many causes of PCS, as well as the effectiveness and prevalence of various treatments. PCS has a variety of etiologies, many of which may be related to extra-biliary reasons that may exist before the operation. From the beginning, an endoscopy of the upper gastrointestinal tract may be necessary when symptoms first appear. Biliary rocks are more likely to be retained in patient presentations that are postponed. PCS has various causes, including extra-biliary conditions that could have existed before operations. Initial symptoms might involve higher digestive problems. As a result, this group will only have a few therapeutic alternatives.
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Affiliation(s)
- V Kumar
- 1Department of Nursing, IIMT University, Meerut, Uttar Pradesh, India
| | - R Bhongade
- 2Department of Ayurveda, Sanskriti University, Mathura, Uttar Pradesh, India
| | - V Kumar
- 3Department of General Surgery, Teerthanker Mahaveer University, Moradabad, Uttar Pradesh, India
| | - P Mathur
- 4Department of General Surgery, Jaipur National University, Jaipur, India
| | - K Patel
- 5Department of Gynaecology, Parul University, PO Limda, Tal. Waghodia, District Vadodara, Gujarat, India
| | - R Jyothi R
- 6Department of Life Science, School of Sciences, JAIN (Deemed-to-be University), Karnataka, India
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Yadkikar S, Patel K, Jyothi R R, Swami R, Bhargavan S, Bishnoi S. INNOVATIONS IN ORTHOPEDIC SURGERY: MINIMALLY INVASIVE TECHNIQUES FOR JOINT REPLACEMENT AND REPAIR. Georgian Med News 2023:165-169. [PMID: 37805892] [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] [Subscribe] [Scholar Register] [Indexed: 10/09/2023]
Abstract
The scientists compared the outcomes of a minimally invasive operation approach (MIO) to a conventional poster lateral (PL) method in overall hip replacement (OHR) in terms of itchiness, damage to muscles, and bleeding. The factors that researchers examined were the levels of Haemoglobin (Hg), a marker for oxygen depletion, the quantity of Interleukin-6 (IL6), a marker for inflammation, the heart-type fatty acid binding protein (HTFABP), and the health of the muscles. The study's findings showed that IL6 content increased beyond pre-operative levels as a result of the two surgeries. At 6 hours after surgery, the mean IL6 concentration in the PL group was 79.6 pg/ml while in the MIO group it was 76.4 pg/ml. The highest values after 24 hours of therapy were 100 pg/ml in the PL group and 92.3 pg/ml in the MIO category. In each category, IL6 levels had dropped up to this point. The post-operative mean HTFABP concentration in the MIO organization was greater (12.5 mg/l) than in the PL organization (18.3 mg/l) in terms of muscle damage. One day after surgery, however, it reached an apex and began to decline in both groups. The amounts of Hg lost throughout the procedure decreased for both sets. 12.5 g/dl of mercury was present. The MIO grouping had PL 72 hours following a procedure, while the PL grouping had 10.3 g/dl. Between the two surgical methods, there were no obvious differences in bleeding, muscle damage, or edema. These results led the researchers to draw the conclusion that there were little differences between the MIO anterior method and the traditional PL technique in terms of muscle damage, blood loss, or irritability. The lack of a learning curve in the study may account for the lack of alterations seen, they hypothesized, rendering the use of the term "MIO" in describing the approach as less traumatizing dubious. The study's methodology, sample sizes, and all other relevant material were left out, making it impossible to evaluate the study's validity and generalizability in its entirety.
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Affiliation(s)
- S Yadkikar
- 1Department of Orthopedics, Jaipur National University, Jaipur, India
| | - K Patel
- 2Department of Gynaecology, Parul University, PO Limda, Tal. Waghodia, District Vadodara, Gujarat, India
| | - R Jyothi R
- 3Department of Life Science, School of Sciences, JAIN (Deemed-to-be University), Karnataka, India
| | - R Swami
- 4Department of Allied Health Science, IIMT University, Meerut, Uttar Pradesh, India
| | - S Bhargavan
- 5Department of Ayurveda, Sanskriti University, Mathura, Uttar Pradesh, India
| | - S Bishnoi
- 6Department of Orthopaedics, TeerthankerMahaveer University, Moradabad, Uttar Pradesh, India
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Jain S, Patel K, Ganapathy K, Khan F, Sahu S, Singh A. LAPAROSCOPIC APPROACH TO A GIANT RUPTURED SPLENIC CYST: A CHALLENGING CASE REPORT. Georgian Med News 2023:280-283. [PMID: 37805912] [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] [Subscribe] [Scholar Register] [Indexed: 10/09/2023]
Abstract
Splenic cysts are rare; their absence of an epithelial wall determines whether they're real cysts or pseudocysts. Spontaneous nonparasitic actual tumors are those that develop early in life at the anterior pole of the splenic and are typically epidermoid, dermoid, or endodermal. Surgical therapy is suggested for symptomatic, large (more than 5 cm) cysts or complicated. Inhaling splenic excision is a substitute for surgery, depending on the quantity, location, connection to the hilus, and dimension of the tumors. With an emphasis on less invasive treatments that preserve the spleen, laparoscopic methods have already established themselves as the accepted method for treating numerous disorders, including splenic cysts. They describe the effective decapsulation of a massive epidermoid spleen tumor under a prolonged, partially endoscopic technique. Laparoscopy, an operation commonly referred to as surgery with minimally invasive or keyhole surgery, is a technique that makes many tiny incisions in the belly to carry out different surgical procedures.
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Affiliation(s)
- S Jain
- 1Department of General Surgery, Jaipur National University, Jaipur, India
| | - K Patel
- 2Department of Gynecology, Parul University, PO Limda, Tal. Waghodia, District Vadodara, Gujarat, India
| | - K Ganapathy
- 3Department of Biotechnology, School of Sciences, JAIN (Deemed-to-be University), Karnataka, India
| | - F Khan
- 4Department of Nursing, IIMT University, Meerut, Uttar Pradesh, India
| | - S Sahu
- 5Department of Ayurveda, Sanskriti University, Mathura, Uttar Pradesh, India
| | - A Singh
- 6Department of General Surgery, Teerthanker Mahaveer University, Moradabad, Uttar Pradesh, India
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Murray MJ, Bradley E, Ng Y, Thomas O, Patel K, Angus C, Atkinson C, Reeves MB. In silico interrogation of the miRNAome of infected hematopoietic cells to predict processes important for human cytomegalovirus latent infection. J Biol Chem 2023; 299:104727. [PMID: 37080390 PMCID: PMC10206818 DOI: 10.1016/j.jbc.2023.104727] [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] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/03/2022] [Revised: 04/14/2023] [Accepted: 04/16/2023] [Indexed: 04/22/2023] Open
Abstract
Human cytomegalovirus (HCMV) latency in CD34+ progenitor cells is the outcome of a complex and continued interaction of virus and host that is initiated during very early stages of infection and reflects pro- and anti-viral activity. We hypothesized that a key event during early infection could involve changes to host miRNAs, allowing for rapid modulation of the host proteome. Here, we identify 72 significantly upregulated miRNAs and three that were downregulated by 6hpi of infection of CD34+ cells which were then subject to multiple in silico analyses to identify potential genes and pathways important for viral infection. The analyses focused on the upregulated miRNAs and were used to predict potential gene hubs or common mRNA targets of multiple miRNAs. Constitutive deletion of one target, the transcriptional regulator JDP2, resulted in a defect in latent infection of myeloid cells; interestingly, transient knockdown in differentiated dendritic cells resulted in increased viral lytic IE gene expression, arguing for subtle differences in the role of JDP2 during latency establishment and reactivation of HCMV. Finally, in silico predictions identified clusters of genes with related functions (such as calcium signaling, ubiquitination, and chromatin modification), suggesting potential importance in latency and reactivation. Consistent with this hypothesis, we demonstrate that viral IE gene expression is sensitive to calcium channel inhibition in reactivating dendritic cells. In conclusion, we demonstrate HCMV alters the miRNAome rapidly upon infection and that in silico interrogation of these changes reveals new insight into mechanisms controlling viral gene expression during HCMV latency and, intriguingly, reactivation.
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Affiliation(s)
- M J Murray
- Institute of Immunity & Transplantation, Division of Infection & Immunity, Royal Free Campus, UCL, London, United Kingdom.
| | - E Bradley
- Institute of Immunity & Transplantation, Division of Infection & Immunity, Royal Free Campus, UCL, London, United Kingdom
| | - Y Ng
- Institute of Immunity & Transplantation, Division of Infection & Immunity, Royal Free Campus, UCL, London, United Kingdom
| | - O Thomas
- Institute of Immunity & Transplantation, Division of Infection & Immunity, Royal Free Campus, UCL, London, United Kingdom
| | - K Patel
- Institute of Immunity & Transplantation, Division of Infection & Immunity, Royal Free Campus, UCL, London, United Kingdom
| | - C Angus
- Institute of Immunity & Transplantation, Division of Infection & Immunity, Royal Free Campus, UCL, London, United Kingdom
| | - C Atkinson
- Institute of Immunity & Transplantation, Division of Infection & Immunity, Royal Free Campus, UCL, London, United Kingdom
| | - M B Reeves
- Institute of Immunity & Transplantation, Division of Infection & Immunity, Royal Free Campus, UCL, London, United Kingdom.
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Gohil P, Nanavati B, Patel K, Suthar V, Joshi M, Patil DB, Joshi CG. Assessing the efficacy of probiotics in augmenting bovine reproductive health: an integrated in vitro, in silico, and in vivo study. Front Microbiol 2023; 14:1137611. [PMID: 37275132 PMCID: PMC10232901 DOI: 10.3389/fmicb.2023.1137611] [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] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/04/2023] [Accepted: 05/02/2023] [Indexed: 06/07/2023] Open
Abstract
The aim of this study was to isolate and characterize bovine-vaginal probiotics genotypically and phenotypically using in silico and evaluate their in vivo performance in buffaloes with endometritis. For the in vitro isolation and characterization, vaginal swabs were collected from 34 cows and 17 buffaloes, and 709 primary bacterial isolates with probiotic activity were obtained using MRS agar media. Two isolates Lactiplantibacillus plantarum KUGBRC (LPKUGBRC) and Pediococcus pentosaceus GBRCKU (PPGBRCKU) demonstrated optimum in vitro probiotic activities as compared to Lacticaseibacillus rhamnosus GG including, acid production, secretion of fatty acids and exopolysaccharide, cell surface hydrophobicity, self-aggregating and co-aggregating capacity with pathogens, anti-microbial activity and bacteriocin-like compounds against pathogens Escherichia coli and Staphylococcus aureus in cell-free supernatant and absence of hemolytic activity. Their phenotypic capacity was confirmed by analyzing the whole genome sequencing data and identifying genes and pathways associated with probiotic properties. These probiotic isolates have shown no virulence genes were discovered in their genomic study. In vivo study of 92 buffaloes suffering from clinical endometritis with purulent cervico-vaginal mucus (CVM) were randomly allocated 40 × 108 CFU/ml LPKUGBRC and PPGBRCKU and 40 ml Normal saline. The LPKUGBRC reduced the duration between administration of probiotic to induction of healthy estrus significantly. However, no effect was observed on pregnancy rate. These results suggest that LPKUGBRC and PPGBRCKU probiotic bacteria demonstrate probiotic efficiency and adaptability. Further sourced from the same niche as the targeted infection, they offer a distinct advantage in targeting the specific microbial population associated with endometritis. The findings of this study highlight the potential of LPKUGBRC and PPGBRCKU probiotics in treating endometritis and suggest further exploration of their clinical applications.
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Affiliation(s)
- Purva Gohil
- Gujarat Biotechnology Research Centre, Gandhinagar, Gujarat, India
| | - Bhavya Nanavati
- Gujarat Biotechnology Research Centre, Gandhinagar, Gujarat, India
| | - Kajal Patel
- Gujarat Biotechnology Research Centre, Gandhinagar, Gujarat, India
| | - Vishal Suthar
- Directorate of Research, Kamdhenu University, Gandhinagar, Gujarat, India
| | - Madhvi Joshi
- Gujarat Biotechnology Research Centre, Gandhinagar, Gujarat, India
| | - Deepak B. Patil
- Directorate of Research, Kamdhenu University, Gandhinagar, Gujarat, India
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Patel K. Introducing clinical mindlines: A discussion of professional knowledge sharing in clinical radiography education. Radiography (Lond) 2023; 29:577-581. [DOI: 10.1016/j.radi.2023.03.011] [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: 01/29/2023] [Revised: 03/14/2023] [Accepted: 03/16/2023] [Indexed: 03/31/2023]
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25
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Patel K, Palmer A, Nixon R. Allergic contact dermatitis from propylene glycol: A case series from Australia. Contact Dermatitis 2023. [PMID: 37100088 DOI: 10.1111/cod.14325] [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: 06/29/2022] [Revised: 03/22/2023] [Accepted: 04/14/2023] [Indexed: 04/28/2023]
Abstract
BACKGROUND Propylene glycol (PG) is used in a variety of cosmetics, food and pharmaceuticals. PG is a known sensitizer but also irritating when patch tested (PT). OBJECTIVES The aims were to investigate the frequency of contact sensitization to PG and to identify cases of allergic contact dermatitis (ACD). METHODS A retrospective study was performed on patients PT at the Skin Health Institute (SHI), Victoria, Australia to PG 5% pet. and PG 10% aq. between 1 January 2005 and 31 December 2020. RESULTS In all, 6761 patients were PT to PG and 21 (0.31%) reacted. Of those 21 individuals, 9 (42.9%) had a relevant reaction. 75% of relevant positive reactions were in patients PT to PG 10% aq. The most common source of PG exposure was topical medicaments (77.8% of relevant reactions) and moisturizers, with the largest group being topical corticosteroids. CONCLUSION Contact sensitization to PG in the patch test population remains uncommon, although it is possible that testing with concentrations of 5%-10% PG did not identify all reactions. Topical corticosteroids were the most important cause. Patients with suspected contact dermatitis to topical corticosteroids should be PT to PG.
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Affiliation(s)
- Kajal Patel
- Skin Health Institute, Carlton, Victoria, Australia
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26
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Banday M, Qureshi M, Patel K, Movval N, Sharma N. Endothelial Derived IL-33 Induces Fibrogenesis and is Associated with CLAD. J Heart Lung Transplant 2023. [DOI: 10.1016/j.healun.2023.02.1679] [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: 04/05/2023] Open
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Thalia N, Patel K, Patel N. Nationwide Utilization, Cost, and Outcome of Temporary Mechanical Circulatory Support in Takotsubo Cardiomyopathy. J Heart Lung Transplant 2023. [DOI: 10.1016/j.healun.2023.02.823] [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: 04/05/2023] Open
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Huddleston S, Hertz M, Loor G, Garcha P, Hartwig M, Snyder L, Siddique A, Strah H, Kukreja J, Song T, Jablonski R, Smith M, Walia R, Arjuna A, Lozonschi L, Patel K, Katlaps G, Nemeh H, Suarez E, Huang H, Langer N, Madsen J, Lee A, Dhillon G, MacArthur J, Keshavamurthy S, Nandavaram S, Daneshmand M, Neujahr D, Bush E, Joyce D, Ardehali A, Budev M, McCurry K. Impact of National OCS Lung Procurement & Management Program on Post-Transplant Survival - Real World Data from the Thoracic Organ Perfusion (TOP) Post-Approval Registry. J Heart Lung Transplant 2023. [DOI: 10.1016/j.healun.2023.02.1012] [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: 04/05/2023] Open
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Banday M, Patel K, Qureshi M, Movval N, Sharma N. Distinct Airway Virome Signatures are Associated with CLAD and Modulate Airway Interferon Responses. J Heart Lung Transplant 2023. [DOI: 10.1016/j.healun.2023.02.054] [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: 04/05/2023] Open
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Patel K, Nguyen D, Graviss E, Bhimaraj A, Kassi M, Kim J, Guha A. The Impact of Donation after Circulatory Death Heart Transplants on Waitlist Time: A UNOS Analysis. J Heart Lung Transplant 2023. [DOI: 10.1016/j.healun.2023.02.1666] [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: 04/05/2023] Open
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31
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Patel K, Yadalam A, DeStefano R, Almuwaqqat Z, Desai S, Alkhoder A, Ejaz K, Alvi Z, Book W, Gupta D, Quyyumi A. Lipoprotein(a) Levels Predict Development of Cardiac Allograft Vasculopathy. J Heart Lung Transplant 2023. [DOI: 10.1016/j.healun.2023.02.060] [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: 04/05/2023] Open
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Logan A, Heiman E, Qureshi M, Patel K. Evaluation of Immunosuppressant Drug Tolerability and Infections in Lung Transplant Recipients with Short Telomere Syndrome. J Heart Lung Transplant 2023. [DOI: 10.1016/j.healun.2023.02.1654] [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: 04/05/2023] Open
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Loor G, Garcha P, Huddleston S, Hertz M, Hartwig M, Snyder L, Siddique A, Strah H, Kukreja J, Song T, Jablonski R, Smith M, Walia R, Arjuna A, Lozonschi L, Patel K, Katlaps G, Nemeh H, Suarez E, Huang H, Langer N, Madsen J, Lee A, Dhillon G, MacArthur J, Keshavamurthy S, Nandavaram S, Daneshmand M, Neujahr D, Bush E, Joyce D, Ardehali A, Budev M, McCurry K. Impact of OCS Lung Warm Perfusion Times on Post-Transplant Survival - "Real-World" Experience from Thoracic Organ Perfusion (TOP) Registry. J Heart Lung Transplant 2023. [DOI: 10.1016/j.healun.2023.02.1014] [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: 04/05/2023] Open
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Loor G, Garcha P, Huddleston S, Hertz M, Hartwig M, Snyder L, Siddique A, Strah H, Kukreja J, Song T, Jablonski R, Smith M, Walia R, Arjuna A, Lozonschi L, Patel K, Katlaps G, Nemeh H, Suarez E, Huang H, Langer N, Madsen J, Lee A, Dhillon G, MacArthur J, Keshavamurthy S, Nandavaram S, Daneshmand M, Neujahr D, Bush E, Joyce D, Ardehali A, Budev M, McCurry K. First Report of the Organ Care System (OCS) Thoracic Organ Perfusion (TOP) Post-Approval Registry. J Heart Lung Transplant 2023. [DOI: 10.1016/j.healun.2023.02.039] [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: 04/05/2023] Open
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Zheng K, Onofrio F, Xu C, Chen S, Xu W, Vyas M, Bingham K, Patel K, Lilly L, Selzner N, Jaeckel E, Tsien C, Gulamhusein A, Hirschfield GM, Bhat M. A42 LIVE DONOR LIVER TRANSPLANTATION IN PRIMARY SCLEROSING CHOLANGITIS: AN INDICATOR OF AN ORGAN ALLOCATION SYSTEM NOT ADDRESSING PATIENT NEED. J Can Assoc Gastroenterol 2023. [PMCID: PMC9991265 DOI: 10.1093/jcag/gwac036.042] [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] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 03/09/2023] Open
Abstract
Background Liver transplantation is frequently lifesaving for people living with primary sclerosing cholangitis (PSC). However, patients are waitlisted for liver transplant (LT) according to the MELD-Na score, which may not accurately reflect the burden of living with PSC. Purpose We sought to describe and analyze the clinical trajectory for patients with PSC referred for LT, in a mixed deceased donor/live donor transplant programme. Method This was a retrospective cohort study from November 2012 to December 2019 including all patients with PSC referred for assessment at the University Health Network Liver Transplant Clinic. Patients who required multiorgan transplant or re-transplantation were excluded. Liver symptoms, hepatobiliary malignancy, MELD-Na progression, and death were abstracted from chart review. Competing Risk analysis was used for timing of LT, transplant type, and death. Result(s) Of 172 PSC patients assessed, 144 (84%) were listed, of whom 106/144 (74%) were transplanted. Mean age was 47.6 years and 66% were male. During follow-up through to 2021, 23/144 (16%) were removed from the waitlist due to infection, clinical deterioration, liver-related mortality or new cancer; 3 had clinical improvement. At the time of listing, 118/144 (81.95%) had a potential Living Donor (pLD) of whom 94 were transplanted: 64 live donor and 30 deceased donor. Patients with pLD had 79% lower mortality (p<0.001), and higher rates of transplantation (80% vs 46%). Exception points were granted to 13/172 (7.5%) patients. Conclusion(s) In a high-volume North American liver transplant centre, most patients with PSC assessed for transplant were listed and subsequently transplanted. However, this was a consequence of patients engaging in live donor transplantation. Our findings support the concern from patients with PSC that MELD-Na allocation does not adequately address their needs. Please acknowledge all funding agencies by checking the applicable boxes below CIHR, Other Please indicate your source of funding; This study was supported by PSC Partners Canada, Canadian Institutes of Health Research (CIHR), Toronto General and Western Hospital Foundation. Disclosure of Interest None Declared
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Affiliation(s)
- K Zheng
- Faculty of Medicine, University of Toronto
| | - F Onofrio
- Ajmera Transplant Program, University Health Network,
| | - C Xu
- Ajmera Transplant Program, University Health Network
| | - S Chen
- Biostatistics Department, Princess Margaret Cancer Center
| | - W Xu
- Biostatistics Department, Princess Margaret Cancer Center
| | | | | | - K Patel
- Ajmera Transplant Program, University Health Network,
| | - L Lilly
- Ajmera Transplant Program, University Health Network,
| | - N Selzner
- Ajmera Transplant Program, University Health Network
| | - E Jaeckel
- Ajmera Transplant Program, University Health Network,
| | - C Tsien
- Ajmera Transplant Program, University Health Network
| | - A Gulamhusein
- Division of Gastroenterology and Hepatology, University of Toronto, Toronto, Canada
| | - G M Hirschfield
- Division of Gastroenterology and Hepatology, University of Toronto, Toronto, Canada
| | - M Bhat
- Ajmera Transplant Program, University Health Network,,Division of Gastroenterology and Hepatology, University of Toronto, Toronto, Canada
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Bredenoord AJ, Dellon ES, Lucendo AJ, Collins MH, Khodzhayev A, Sun X, Patel K, Beazley B, Shabbir A. A141 DUPILUMAB IMPROVES CLINICAL, SYMPTOMATIC, ENDOSCOPIC, AND HISTOLOGIC ASPECTS OF EOE, REGARDLESS OF PRIOR SWALLOWED TOPICAL STEROID USE. J Can Assoc Gastroenterol 2023. [PMCID: PMC9991093 DOI: 10.1093/jcag/gwac036.141] [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] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 03/09/2023] Open
Abstract
Background Swallowed topical corticosteroids (STC) are a first-line treatment for eosinophilic esophagitis (EoE) but are not uniformly effective. Dupilumab (DPL), a fully human monoclonal antibody, blocks the shared receptor component for IL-4/IL-13, key and central drivers of type 2 inflammation. In Parts A and B of the phase 3 LIBERTY-EoE-TREET (NCT03633617) study, weekly DPL 300mg improved clinical, symptomatic, histologic, and endoscopic aspects of EoE and was generally well tolerated in adult and adolescent patients (pts) with EoE. Purpose To assess the efficacy of weekly DPL 300mg vs placebo (PBO) at Week 24 in pts from Parts A and B with/without prior history of STC use, and from Part B with/without a history of inadequate response, intolerance, or contraindication to STCs. Method Pts who received STCs for EoE within 8 weeks prior to baseline were excluded from the study. Co-primary endpoints at Week 24 were the proportion achieving peak eosinophil count (PEC) ≤6/high-power field (hpf) and the absolute change in Dysphagia Symptom Questionnaire (DSQ) score. Other secondary endpoints at Week 24 included: % change in PEC; absolute change in Histologic Scoring System (HSS) grade and stage scores and Endoscopic Reference Score (EREFS); % change in DSQ score. Result(s) At baseline, in Parts A and B combined, 84/122 (69%) and 87/118 (74%) of DPL- and PBO-treated pts had history of STC use. For pts treated with DPL vs PBO PEC≤6/hpf was achieved by 59.5% vs 3.4% of pts with, and 57.9% vs 12.9% without, prior STC use. Difference vs PBO (95% CI) in the absolute change in DSQ score was −13.27 (−18.03, −8.50) vs −5.21 (−12.41, 2.00) for pts with/without prior STC use. Difference vs PBO (95% CI) for pts with/without prior STC use were: % change in PEC −80.76 (−97.77, −63.75)/−84.87 (−112.16, −57.58); absolute change in EoE-HSS grade −0.77 (−0.87, −0.66)/−0.57 (−0.77, −0.38) and stage −0.77 (−0.87, −0.66)/−0.55 (−0.73, −0.36); absolute change in EREFS −3.86 (−4.70, −3.02)/−2.59 (−4.16, −1.02); % change in DSQ −34.5 (−47.75, −21.22)/-14.9 (−35.21, 5.36). DPL was generally well tolerated in the intent-to-treat population; the most common TEAEs for DPL/PBO were injection-site reactions (37.7/33.3%). In Part B, 38/80 (48%) and 39/79 (49%) of DPL- and PBO-treated pts had inadequate response/intolerance/contraindication to STCs. For DPL vs PBO PEC≤6/hpf was achieved by 55.3% vs 7.7% with, and 61.9% vs 5.0% of pts without, inadequate response/intolerance/contraindication to STC. Difference vs PBO (95% CI) for absolute change in DSQ score was −11.55 (−19.06, −4.04)/−7.08 (−13.75, −0.42) for pts with/without inadequate response/intolerance/contraindication to STCs. Conclusion(s) Conclusion: Regardless of prior STC use, in this pooled analysis from Part A and Part B of the EoE TREET Phase 3 Study, weekly DPL 300mg demonstrated substantial improvements in clinical, histologic, and endoscopic study endpoints at Week 24 in adults and adolescents with EoE. Please acknowledge all funding agencies by checking the applicable boxes below Other Please indicate your source of funding; Research sponsored by Sanofi and Regeneron Pharmaceuticals, Inc. Disclosure of Interest A. Bredenoord Shareholder of: SST, Grant / Research support from: Bayer, Nutricia, SST, Consultant of: Arena Pharmaceuticals, AstraZeneca, Calypso Biotech, Dr Falk, EsoCap, Gossamer Bio, Laborie, Medtronic, RB Pharma, Regeneron Pharmaceuticals, Inc., Robarts Clinical Trials, E. Dellon Grant / Research support from: Research funding; Adare Pharma Solutions, Allakos, GSK, Meritage Pharma, Miraca Life Sciences, Nutricia, Receptos/BMS, Regeneron Pharmaceuticals, Inc., Shire. Educational grant; Allakos, Banner Pharmaceuticals, Holoclara, Consultant of: Abbott, Adare Pharma Solutions, Aimmune Therapeutics, Alivio Therapeutics, Allakos, Arena Pharmaceuticals, AstraZeneca, Banner Pharmaceuticals, Biorasi, Calypso Biotech, Enumeral, EsoCap, Gossamer Bio, GSK, Receptos/BMS, Regeneron Pharmaceuticals, Inc., Robarts Clinical Trials, Salix Pharmaceuticals, Shire/Takeda, A. Lucendo Grant / Research support from: Dr Falk, Regeneron Pharmaceuticals, Inc., Consultant of: Dr Falk, EsoCap, M. Collins Grant / Research support from: Receptos/BMS, Regeneron Pharmaceuticals, Inc., Shire, Consultant of: Allakos, AstraZeneca, BMS, EsoCap, Regeneron Pharmaceuticals, Inc., Shire, A. Khodzhayev Shareholder of: Regeneron Pharmaceuticals, Inc., Employee of: Regeneron Pharmaceuticals, Inc., X. Sun Shareholder of: Regeneron Pharmaceuticals, Inc., Employee of: Regeneron Pharmaceuticals, Inc., K. Patel Employee of: Sanofi, B. Beazley Shareholder of: Regeneron Pharmaceuticals, Inc., Employee of: Regeneron Pharmaceuticals, Inc., A. Shabbir Shareholder of: Regeneron Pharmaceuticals, Inc., Employee of: Regeneron Pharmaceuticals, Inc.
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Affiliation(s)
- A J Bredenoord
- Amsterdam University Medical Center, Amsterdam, Netherlands
| | - E S Dellon
- University of North Carolina School of Medicine, Chapel Hill, NC, United States
| | - A J Lucendo
- Hospital General de Tomelloso, Tomelloso, Spain
| | - M H Collins
- Cincinnati Children’s Hospital Medical Center and University of Cincinnati College of Medicine, Cincinnati, OH
| | | | - X Sun
- Regeneron Pharmaceuticals, Inc., Tarrytown, NY
| | - K Patel
- Sanofi, Bridgewater, NJ, United States
| | - B Beazley
- Regeneron Pharmaceuticals, Inc., Tarrytown, NY
| | - A Shabbir
- Regeneron Pharmaceuticals, Inc., Tarrytown, NY
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Patel K, Eissa M, Nguyen VV, Abraldes JG, Shaheen AA, Theal J, Johnson E, Hyde A, Tandon P. A64 THE UPTAKE AND IMPACT OF AN ELECTRONIC CIRRHOSIS ADMISSION ORDER SET: AN EARLY EXPERIENCE AT A SINGLE CENTRE. J Can Assoc Gastroenterol 2023. [PMCID: PMC9991358 DOI: 10.1093/jcag/gwac036.064] [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] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 03/09/2023] Open
Abstract
Background Cirrhosis is a chronic disease that confers high morbidity and mortality. It is a leading cause for hospital admissions and leads to significant healthcare resource utilization. Several guidelines outline recommendations to provide best practice to hospitalized patients with cirrhosis. Despite studies supporting a reduction in mortality when guideline based care is followed, this is achieved in less than 50% of hospitalized patients with cirrhosis1. Standardized electronic order sets can be a potential tool to improving clinical outcomes and bridging this gap in care. Purpose Since March 2021, an electronic cirrhosis admission order set has been available for at our hospital site. Using administrative data, we aimed to describe our early experience with: a) order set uptake by various services, b) characteristics of the population in which the order set was used versus not used, and explore c) the impact of order set use on in-hospital mortality. Method In this single centre cohort study, patients with cirrhosis were identified based an administrative data algorithm containing codes for cirrhosis and complications. This data was used to retrieve parameters such as patient age, sex, primary admitting service, resource intensity weight (RIW), Charlson comorbidity index (CCI) and in-hospital mortality. The chi-squared test and independent samples t-test were used to compare characteristics of patients in whom the order set was used versus not used. Multivariable logistic regression was used to determine the impact of order set use on in-hospital mortality. P value significance was established at <0.05. Result(s) A total of 825 patients were included in the analysis. The overall mean age (standard deviation) of patients was 58.5 (14.2) years with 57.5% being male. Average length of stay was 11.3 days with a mean CCI of 3.2 (2.3) and RIW of 3.3 (7.2). The primary admitting service was Gastroenterology in 36.1%, Internal Medicine in 35.6% and other services in 28.3% of cases. Of those admitted, the order set was used in 27.2% of cases. The overall in-hospital mortality of patients was 14.2%. Mean age, sex and CCI were not significantly different in patients admitted with the order set versus without. In patients admitted with the order set compared to without, RIW was significantly lower (2.06 (2.62) versus 3.80 (8.2), p<0.001), as was length of stay (9.5 (11.8) days compared to 12.0 (18.6) days, p =0.03) and in-hospital mortality (8.5% versus 16.3%, p =0.003). On multivariable regression analysis (Table 1), after adjustment for age, RIW and CCI, use of the order set was associated with lower in-hospital mortality (odds ratio 0.53 (95% CI 0.3 to 0.9), p=0.02). Image ![]()
Conclusion(s) Uptake of the electronic cirrhosis admission order set was modest at only 27% of eligible admissions. Although it appears to be associated with lower in-hospital mortality, a chart review is in process to assess if this association still holds after accounting for the impact of additional confounders. Please acknowledge all funding agencies by checking the applicable boxes below None Disclosure of Interest None Declared
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Affiliation(s)
- K Patel
- Department of Medicine, Division of Gastroenterology
| | - M Eissa
- Department of Medicine, University of Alberta, Edmonton
| | - V V Nguyen
- Department of Medicine, University of Alberta, Edmonton
| | - J G Abraldes
- Department of Medicine, Division of Gastroenterology
| | - A -A Shaheen
- Department of Medicine, Division of Gastroenterology and Hepatology, University of Calgary, Calgary, Canada
| | - J Theal
- Department of Medicine, Division of Gastroenterology
| | - E Johnson
- Department of Medicine, Division of Gastroenterology
| | - A Hyde
- Department of Medicine, Division of Gastroenterology
| | - P Tandon
- Department of Medicine, Division of Gastroenterology
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Patel K, Howard M, Tate B. Cheilitis caused by allergic contact dermatitis to cinnamon in chai tea: A case report. Contact Dermatitis 2023; 88:239-240. [PMID: 36461791 DOI: 10.1111/cod.14261] [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] [Received: 10/19/2022] [Revised: 11/16/2022] [Accepted: 11/30/2022] [Indexed: 12/04/2022]
Affiliation(s)
- Kajal Patel
- Occupational Dermatology Research and Education Centre, Skin Health Institute, Melbourne, Victoria, Australia
| | - Matthew Howard
- Occupational Dermatology Research and Education Centre, Skin Health Institute, Melbourne, Victoria, Australia
| | - Bruce Tate
- Occupational Dermatology Research and Education Centre, Skin Health Institute, Melbourne, Victoria, Australia
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Shah PC, Patel K, Suvarna AK, Zulfiqar A, Ashok T, Siddiqui A. Research Experience of Medical Students Collaborating in an International Peer Research Mentorship Program. Int J Med Stud 2023. [DOI: 10.5195/ijms.2022.1461] [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: 02/22/2023] Open
Abstract
Research and research teachings worldwide have undergone significant changes with advancements in the past decade. From students actively seeking research opportunities to participating in research workshops, it has given rise to a new era of mentor-mentee programs. The peer research mentorship program (PRMP) conducted by International Society for Chronic Illnesses (ISCI) facilitates a global collaboration that not only improves the quality of research but also encourages interpersonal relationships and incorporates expertise from different fields. In this article, medical students and early graduates share their experience of participating in a cross-country peer-to-peer mentorship and comment on their learnings and observations. This is an experience report of mentors and mentees in the ISCI sponsored PRMP. Mentees learned a lot about metabolic syndrome, alternative medicine, and narrative reviews and the mentor became more confident in her scientific writing skills, leadership qualities while also gaining in-depth knowledge about the integrative management of Metabolic Syndrome.
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Kalathia J, Patel K, Vala G, Agrawal S, Chipde S, Valiya A, Khetarpal A. Supine percutaneous nephrolithotomy under segmental epidural block in high risk compromised cardiovascular patients: A prospective analysis. Eur Urol 2023. [DOI: 10.1016/s0302-2838(23)00987-9] [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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Patel K, Chaurasia M, Rao KS. Heavy metal accumulation in leaves of selected plant species in urban areas of Delhi. Environ Sci Pollut Res Int 2023; 30:27622-27635. [PMID: 36383322 DOI: 10.1007/s11356-022-24157-4] [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] [Subscribe] [Scholar Register] [Received: 04/23/2022] [Accepted: 11/06/2022] [Indexed: 06/16/2023]
Abstract
Heavy metals beyond their permissible limits are major contaminants and causes of concern due to their persistent nature and health hazards. Several studies validated the utilization of plants as biomonitors and bioaccumulators for heavy metal pollution. Therefore, this study was conducted to examine the proficiency for heavy metal monitoring and mitigation by commonly found plant species in urban areas of Delhi. For this objective, four sites (viz., control, residential, commercial, and industrial) and sixteen usually growing plant species were selected. Four heavy metals, i.e., lead (Pb), cadmium (Cd), copper (Cu), and zinc (Zn), were analysed for soil and dust from each site, and leaf samples from each plant, at all sites, and various other parameters were calculated. Among the four elements, Pb and Cd showed maximum geoaccumulation and contamination at all sites. Pollution load index (PLI) values for both soil and dust indicated that industrial sites (1.78, 2.15) were most contaminated followed by commercial (1.52, 1,87), residential (1.41, 1.67), and control (1.22, 1.37) sites. Concentrations of Pb, Cu, and Zn were found to be highest in Morus alba, while Cd concentrations were found to be highest in Millettia pinnata (L.) Panigrahi. From various analyses, we concluded that commonly found plant species such as Ficus religiosa L., Terminalia arjuna (Roxb. Ex DC.) Wight &Arn., Morus alba L., Prosopis juliflora (Sw.) DC., and M. pinnata proved to be exceptional biomonitors and bioaccumulators for heavy metals in urban areas. Therefore, these plant species are highly recommended for plantation in urban areas for decontamination of the air and soil by mitigating heavy metal pollution.
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Affiliation(s)
- Kajal Patel
- Natural Resource Management Lab (306), Department of Botany, University of Delhi, New Delhi, 110007, India.
| | - Meenakshi Chaurasia
- Natural Resource Management Lab (306), Department of Botany, University of Delhi, New Delhi, 110007, India
| | - Kottapalli Sreenivasa Rao
- Natural Resource Management Lab (306), Department of Botany, University of Delhi, New Delhi, 110007, India
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Zaman T, Patel K, Saricilar E, Lee V, Lurie B, Puttaswamy V. Evaluation of Endoleak After Endovascular Aortic Aneurysm Repair Using Subtraction Iodine Mapping. EJVES Vasc Forum 2023. [DOI: 10.1016/j.ejvsvf.2023.02.011] [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: 04/08/2023] Open
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Patel K, Davidson J, Walker R. Percutaneous threaded pin reduction of Bosworth fracture: a novel surgical technique. Ann R Coll Surg Engl 2023; 105:78-79. [PMID: 35446719 PMCID: PMC9773245 DOI: 10.1308/rcsann.2021.0363] [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] [Accepted: 11/05/2021] [Indexed: 12/31/2022] Open
Affiliation(s)
- K Patel
- Guy's and St Thomas' NHS Foundation Trust, UK
| | - J Davidson
- Guy's and St Thomas' NHS Foundation Trust, UK
| | - R Walker
- Guy's and St Thomas' NHS Foundation Trust, UK
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Beckmann R, Ning H, Cheng J, Zhuge Y, Patel K, Guion P, Zgela TC, Nathan D, Schott E, Citrin D, Salerno K. Comparison of Nodal CTV Coverage with Alignment to Bladder-Rectal Interface vs. Pelvic Bone in Post-Prostatectomy Radiotherapy. Int J Radiat Oncol Biol Phys 2022. [DOI: 10.1016/j.ijrobp.2022.07.1147] [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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King J, Patel K, Woolf D, Hatton MQ. The Use of Palliative Radiotherapy in the Treatment of Lung Cancer. Clin Oncol (R Coll Radiol) 2022; 34:761-770. [PMID: 36115746 DOI: 10.1016/j.clon.2022.08.032] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [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: 06/14/2022] [Revised: 07/07/2022] [Accepted: 08/22/2022] [Indexed: 01/31/2023]
Abstract
There have been significant advances in the systemic treatment of stage IV lung cancer, which is now recommended first line in patients with adequate fitness. This includes some patients with brain metastases due to the increased understanding of the central nervous system penetration of targeted therapies. The trials evidence base for palliative radiotherapy pre-dated this routine use of systemic therapy in our practice, which means that the sequence and role of palliative radiotherapy are not currently well defined in the first-line treatment setting. However, due to its efficacy in symptom control, radiotherapy remains a core component in the palliative management of lung cancer, particularly in the second-line setting and those unsuited to primary systemic treatment. This overview focuses on the evidence behind palliative radiotherapy to the thorax and brain for non-small cell and small cell lung cancer and the potential for future studies, including the TOURIST Trial Platform, to guide the future direction of these treatments.
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Affiliation(s)
- J King
- The Christie Hospital NHS Foundation Trust, Manchester, UK.
| | - K Patel
- The Christie Hospital NHS Foundation Trust, Manchester, UK
| | - D Woolf
- The Christie Hospital NHS Foundation Trust, Manchester, UK
| | - M Q Hatton
- Sheffield Teaching Hospitals NHS Foundation Trust, Royal Hallamshire Hospital, Broomhall, Sheffield, UK
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Dellon E, Rothenberg M, Hirano I, Bredenoord A, Lucendo A, Sun X, Patel K, Beazley B. DUPILUMAB IMPROVES CLINICAL, SYMPTOMATIC, HISTOLOGIC, ENDOSCOPIC ASPECTS OF EOE: POOLED RESULTS FROM PHASE 3 LIBERTY-EOE-TREET. Ann Allergy Asthma Immunol 2022. [DOI: 10.1016/j.anai.2022.08.603] [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: 11/11/2022]
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Patel K, Cuervo-Pardo L, Cresoe S, Cavero-Chavez V. AN UNUSUAL TRANSITION FROM CUTANEOUS TO SYSTEMIC MASTOCYTOSIS IN A PEDIATRIC PATIENT. Ann Allergy Asthma Immunol 2022. [DOI: 10.1016/j.anai.2022.08.960] [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: 11/11/2022]
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Manzar G, Wu S, Khan M, Corrigan K, Yoder A, Gunther J, Thomas S, Manasanch E, Lee H, Lim T, Amini B, Lin P, Orlowski R, Patel K, Becnel M, Kaufman G, Weber D, Dabaja B, Pinnix C, Fang P. Outcome of Patients with Central Nervous System Multiple Myeloma (CNS-MM) Treated with CNS-Directed Radiation Therapy. Int J Radiat Oncol Biol Phys 2022. [DOI: 10.1016/j.ijrobp.2022.07.1473] [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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Patel K, Thigpen B, Chohan L, Nijjar J. Laparoscopic Hysterectomy Following Robotic Radical Trachelectomy. J Minim Invasive Gynecol 2022. [DOI: 10.1016/j.jmig.2022.09.215] [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: 11/25/2022]
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Chaurasia M, Patel K, Tripathi I, Rao KS. Impact of dust accumulation on the physiological functioning of selected herbaceous plants of Delhi, India. Environ Sci Pollut Res Int 2022; 29:80739-80754. [PMID: 35729390 DOI: 10.1007/s11356-022-21484-4] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/20/2021] [Accepted: 06/10/2022] [Indexed: 06/15/2023]
Abstract
Plants are now widely recognized for their potential role in improving the air quality by dispersion and deposition of atmospheric dust particles. However, suspended dust particles negatively affect plant growth and physiological development. The present study aims to assess the amount of dust accumulation on the leaf surface and to evaluate the effect of foliar dust on leaf gas exchange parameters, photosynthetic pigment, and metabolite content of five roadside herbaceous plant species (Amaranthus viridis, Achyranthes aspera, Acalypha indica, Parthenium hysterophorus, Trianthema portulacastrum). Two sites (site I and site II) were selected that differed in their surrounding anthropogenic activities and dust pollution levels. Results showed that the average amount of dust accumulated on the leaf surface was significantly greater in plants grown at the polluted site. Among the five species examined, the highest amount of foliar dust load was observed for A. aspera (0.49 mg cm-2). Dust accumulation caused substantial changes in plant physiology as indicated by the significant decline in chlorophyll content, photosynthetic rate, stomatal conductivity, and transpiration rate in plants grown at the polluted site. Moreover, an increase in antioxidant activity, total ascorbate, and metabolite content, responsible for maintaining plant defense, was higher in plants at polluted site. Biochemical response of the individual plants studied was variable, which suggests that different plants adopted different mechanisms to cope with the stress induced by dust particles.
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Affiliation(s)
| | - Kajal Patel
- Department of Botany, University of Delhi, New Delhi, 110007, India
| | - Indu Tripathi
- Department of Botany, University of Delhi, New Delhi, 110007, India
- Department of Environmental Studies, University of Delhi, New Delhi, 110007, India
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