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1.
JAMA Netw Open ; 7(5): e2410706, 2024 May 01.
Artículo en Inglés | MEDLINE | ID: mdl-38717770

RESUMEN

Importance: Unlike other surgical specialties, obstetrics and gynecology (OB-GYN) has been predominantly female for the last decade. The association of this with gender bias and sexual harassment is not known. Objective: To systematically review the prevalence of sexual harassment, bullying, abuse, and discrimination among OB-GYN clinicians and trainees and interventions aimed at reducing harassment in OB-GYN and other surgical specialties. Evidence Review: A systematic search of PubMed, Embase, and ClinicalTrials.gov was conducted to identify studies published from inception through June 13, 2023.: For the prevalence of harassment, OB-GYN clinicians and trainees on OB-GYN rotations in all subspecialties in the US or Canada were included. Personal experiences of harassment (sexual harassment, bullying, abuse, and discrimination) by other health care personnel, event reporting, burnout and exit from medicine, fear of retaliation, and related outcomes were included. Interventions across all surgical specialties in any country to decrease incidence of harassment were also evaluated. Abstracts and potentially relevant full-text articles were double screened.: Eligible studies were extracted into standard forms. Risk of bias and certainty of evidence of included research were assessed. A meta-analysis was not performed owing to heterogeneity of outcomes. Findings: A total of 10 eligible studies among 5852 participants addressed prevalence and 12 eligible studies among 2906 participants addressed interventions. The prevalence of sexual harassment (range, 250 of 907 physicians [27.6%] to 181 of 255 female gynecologic oncologists [70.9%]), workplace discrimination (range, 142 of 249 gynecologic oncologists [57.0%] to 354 of 527 gynecologic oncologists [67.2%] among women; 138 of 358 gynecologic oncologists among males [38.5%]), and bullying (131 of 248 female gynecologic oncologists [52.8%]) was frequent among OB-GYN respondents. OB-GYN trainees commonly experienced sexual harassment (253 of 366 respondents [69.1%]), which included gender harassment, unwanted sexual attention, and sexual coercion. The proportion of OB-GYN clinicians who reported their sexual harassment to anyone ranged from 21 of 250 AAGL (formerly, the American Association of Gynecologic Laparoscopists) members (8.4%) to 32 of 256 gynecologic oncologists (12.5%) compared with 32.6% of OB-GYN trainees. Mistreatment during their OB-GYN rotation was indicated by 168 of 668 medical students surveyed (25.1%). Perpetrators of harassment included physicians (30.1%), other trainees (13.1%), and operating room staff (7.7%). Various interventions were used and studied, which were associated with improved recognition of bias and reporting (eg, implementation of a video- and discussion-based mistreatment program during a surgery clerkship was associated with a decrease in medical student mistreatment reports from 14 reports in previous year to 9 reports in the first year and 4 in the second year after implementation). However, no significant decrease in the frequency of sexual harassment was found with any intervention. Conclusions and Relevance: This study found high rates of harassment behaviors within OB-GYN. Interventions to limit these behaviors were not adequately studied, were limited mostly to medical students, and typically did not specifically address sexual or other forms of harassment.


Asunto(s)
Ginecología , Obstetricia , Acoso Sexual , Humanos , Acoso Sexual/estadística & datos numéricos , Acoso Sexual/psicología , Ginecología/educación , Femenino , Obstetricia/estadística & datos numéricos , Masculino , Sexismo/estadística & datos numéricos , Sexismo/psicología , Acoso Escolar/estadística & datos numéricos , Acoso Escolar/psicología , Prevalencia , Canadá , Estados Unidos
2.
Int J Gynecol Cancer ; 2024 Apr 22.
Artículo en Inglés | MEDLINE | ID: mdl-38649234

RESUMEN

OBJECTIVE: To investigate differences in standard clinico-radiological evaluation versus Response Evaluation Criteria In Solid Tumors (RECIST) 1.1 for reporting survival outcomes in patients with locally advanced cervical cancer treated with chemoradiation and brachytherapy. METHODS: Between November 2017 and March 2020, patients recruited in cervical cancer trials were identified. MRI at diagnosis and at least one follow-up imaging was mandatory. Disease-free survival and progression-free survival were determined using standard evaluation (clinical examination and symptom-directed imaging) and RECIST 1.1. Agreement between criteria was estimated using κ value. Sensitivity analysis was done to test the sensitivity, specificity, and accuracy of RECIST 1.1 in detecting response to treatment. RESULTS: Sixty-nine eligible patients had at least one target lesion. Thirty-three patients (47.8%) had pathological lymph nodes. Of these 33 patients, RECIST 1.1 classified only 18% (6/33) as 'target nodal lesions' and the remaining nodes as 'non-target'. There were 6 (8.7%) and 8 (11.6%) patients with disease events using RECIST 1.1 and standard evaluation, respectively. The disease-free survival at 12, 18, and 24 months using RECIST 1.1 was 94.2%, 91.2%, 91.2%, and with standard evaluation was 94.2%, 89.7%, and 88.2%, respectively (p=0.58). Whereas, progression-free survival at 12, 18, and 24 months using RECIST 1.1 and standard evaluation were same (94.2%, 91.2%, and 91.2%, respectively). The κ value was 0.84, showing strong agreement in assessing disease-free survival, although an absolute difference of 3% between endpoint assessment methodologies. RECIST 1.1 had a sensitivity of 75% (95% CI 34.91% to 96.81%), specificity of 100% (95% CI 94.13% to 100%), and accuracy of 97.1% (95% CI 89.92% to 99.65%). CONCLUSIONS: The study showed 1.5% and 3% difference in disease-free survival at 18 and 24 months and no difference in progression-free survival between RECIST 1.1 and standard evaluation in a patient cohort with low event rate.

3.
Phys Rev E ; 109(3-1): 034132, 2024 Mar.
Artículo en Inglés | MEDLINE | ID: mdl-38632803

RESUMEN

The motivation for the proposed work is drawn from the attachment-detachment observed in biological and physical transport processes that entail finite resources. We investigate the influence of limited particle availability on particle dynamics within two parallel totally asymmetric simple exclusion lanes, with one lane incorporating only particle detachment and the other considering particle attachment. We establish a theoretical framework by employing vertical mean-field theory in conjunction with singular perturbation technique. The analytical findings are supported by numerical and stochastic validation using a finite-difference scheme and the Gillespie algorithm. By utilizing these approaches, we scrutinize various stationary properties, including particle densities, phase boundaries, and particle currents for both lanes. Our analysis reveals that the complexity of the phase diagram exhibits a nonmonotonic trend in the number of stationary phases as the particle count increases. Each phase diagram is constructed with respect to the intrinsic boundary parameters, illustrating both bulk and surface transitions occurring within the lanes. The interplay between finite resources and coupling mechanisms gives rise to two phases involving upward shock in one of the lanes, while two phases exhibit synchronized downward shock in both lanes. Finally, we delve into shock dynamics to comprehend critical phase transitions occurring in the system.

4.
Front Digit Health ; 6: 1280235, 2024.
Artículo en Inglés | MEDLINE | ID: mdl-38562663

RESUMEN

The paper reviews the entire spectrum of Artificial Intelligence (AI) in mental health and its positive role in mental health. AI has a huge number of promises to offer mental health care and this paper looks at multiple facets of the same. The paper first defines AI and its scope in the area of mental health. It then looks at various facets of AI like machine learning, supervised machine learning and unsupervised machine learning and other facets of AI. The role of AI in various psychiatric disorders like neurodegenerative disorders, intellectual disability and seizures are discussed along with the role of AI in awareness, diagnosis and intervention in mental health disorders. The role of AI in positive emotional regulation and its impact in schizophrenia, autism spectrum disorders and mood disorders is also highlighted. The article also discusses the limitations of AI based approaches and the need for AI based approaches in mental health to be culturally aware, with structured flexible algorithms and an awareness of biases that can arise in AI. The ethical issues that may arise with the use of AI in mental health are also visited.

6.
JCO Glob Oncol ; 10: e2300478, 2024 Mar.
Artículo en Inglés | MEDLINE | ID: mdl-38484193

RESUMEN

PURPOSE: The PARCER trial provided level I evidence for image-guided intensity-modulated radiation therapy (IG-IMRT) in patients with cervical cancer. Further information regarding long-term financial impact is imperative for adoption into the National Cancer Grid of India cervical cancer resource-stratified guidelines. METHODS: Patient data from the PARCER trial were analyzed to evaluate the cost implications of transitioning to IG-IMRT. Lacking differences in outcomes between the three-dimensional conformal radiation (3D-CRT) and IG-IMRT, differences in treatment costs, adverse event incidence, and toxicity management costs were examined. The overall financial impact was estimated by adding the treatment costs, toxicity management, and wage loss. This was extrapolated nationally to determine if a transition to IG-IMRT would be feasible for the Indian health care system. RESULTS: Of the 300 patients in the PARCER trial, 93 faced grades ≥2 adverse events (3D-CRT = 59, IG-IMRT = 34). Patients in the 3D-CRT and IG-IMRT arms spent an average of 2.39 years and 1.96 years in toxicity, respectively. The average toxicity management and the yearly financial impact per patient were, respectively, 1.50 and 1.44 times higher for 3D-CRT patients compared with IG-IMRT patients. Extrapolation to the national level showed that treatment with 3D-CRT led to a 2.88 times higher cost ratio when compared with treatment with IG-IMRT. CONCLUSION: Although the initial costs of IG-IMRT are high, on the basis of longitudinal data, it is financially inefficient to treat with 3D-CRT. Resource-stratified guidelines should include longitudinal health intervention costs rather than solely initial costs for policy decisions to implement advanced radiation technology.


Asunto(s)
Radioterapia Conformacional , Radioterapia de Intensidad Modulada , Neoplasias del Cuello Uterino , Femenino , Humanos , Radioterapia de Intensidad Modulada/efectos adversos , Radioterapia de Intensidad Modulada/métodos , Neoplasias del Cuello Uterino/radioterapia , Países en Desarrollo , Radioterapia Conformacional/efectos adversos , Radioterapia Conformacional/métodos , Dosificación Radioterapéutica
7.
Sci Total Environ ; 923: 171491, 2024 May 01.
Artículo en Inglés | MEDLINE | ID: mdl-38447720

RESUMEN

The presence of high concentrations of arsenic (As) in agricultural soils and its subsequent accumulation in rice crop is a serious issue threatening sustainability of agriculture and human health. In the present work, remediation of As contaminated field in Nadia, West Bengal, India was done through the cultivation of Vetiver (Vetiveria zizanoides L. Nash) and the same field was subsequently used for rice (Oryza sativa L.) cultivation. The results showed that V. zizanoides could reduce As concentrations in the field to bring it lower than the maximum permissible limit (20 mg kg-1) in 11 months' time. The rice plants grown in remediated field showed improvement in growth and photosynthesis parameters as compared to that of contaminated field. Importantly, yield related parameters (filled seed, 1000 grain weight, number of panicles etc.) were also significantly higher in remediated field than that in contaminated field. Arsenic concentration in roots, shoot, husk and grains of rice was found to be significantly lower in remediated field than in contaminated field. Grain As decreased from 0.75 to 0.77 µg g-1 dw in contaminated field to 0.15-0.18 µg g-1 dw. In conclusion, replacing rice for single year with V. zizanoides crop can significantly remediate the field and can be a viable option.


Asunto(s)
Arsénico , Chrysopogon , Oryza , Contaminantes del Suelo , Humanos , Arsénico/análisis , Contaminantes del Suelo/análisis , Semillas/química , Suelo , Grano Comestible/química
8.
Lancet Reg Health Southeast Asia ; 24: 100392, 2024 May.
Artículo en Inglés | MEDLINE | ID: mdl-38550605

RESUMEN

Background: Globally, most of the randomised trials with hypofractionation in patients with breast cancer have used 3-dimensional conformal radiotherapy technique (3D-CRT). As facilities for 3D-CRT technique may not be available in low-resource settings, there is a need to see if hypofractionation is feasible and safe with 2-dimensional (2-D) technique. In this study, we compared a 3-week radiation schedule with a 2-week schedule of hypofractionated radiotherapy in patients with breast cancer with 2-D technique. Methods: The current study was an open-label, randomised, phase 3 trial. Patients with breast cancer, stage I-III, post mastectomy or after breast conservative surgery who needed adjuvant locoregional radiotherapy were randomised in the Department of Radiotherapy & Oncology, Post Graduate Institute of Medical Education & Research (PGIMER), Chandigarh, India; to 34Gy in 10 fractions over 2 weeks (2-week arm) or 35Gy in 15 fractions over 3 weeks to the chest wall and 40Gy/15#/3wks to breast and supraclavicular fossa (3-week arm). Boost dose when indicated was 8-10Gy/2-4#/2-4 days in both the arms. Patients were planned on a 2-dimensional (2D) simulator with 2 tangential fields to breast/chest wall and incident supraclavicular fossa field. Acute toxicity was assessed using the Radiation Therapy Oncology Group (RTOG) grading scale. Assessments were carried out weekly during radiotherapy and at 4 weeks after treatment by the physician. Cosmetic outcome was assessed using the Harvard/National Surgical Adjuvant Breast and Bowel Project (NSABP)/RTOG scale. The toxicity rates between the two arms were compared using Fisher's exact tests. The trial was approved by institutional ethics committee and registered with ClinicalTrials.gov, number NCT04075058. Findings: This study included 1121 eligible patients from June 2015 to December 2020. Median follow-up was 35 months (6-84 months). Mean age was 48 years (24-75 years). The patient characteristics were comparable between the two arms except for more mastectomies in the 3-week arm and more node-positive patients in the 2-week arm. There were more oestrogen receptor-positive tumors in the 3-week arm. Acute skin toxicities were comparable between the two arms. Grade 2 and 3 skin toxicity was 100 (18%) and 82 (15%); and 16 (3%) and 12 (2%) in the 3-week and 2-week arm (p = 0.21), respectively. Cosmetic outcome was assessed as Excellent or Good for 89% of patients in the 3-week arm as compared to 94% in the 2-week arm (p = 0.004). Interpretation: The two radiation schedules were comparable in terms of acute skin toxicity. The cosmetic outcome was better with the 2-week schedule. The preliminary findings indicate 2-week radiotherapy schedule with 2-D technique was better than the 3-week schedule in patients with breast cancer. However, disease outcomes and late-term toxicities need to be further checked. Funding: This study was funded by Science and Engineering Research Board (SERB), India.

9.
Int Urogynecol J ; 2024 Mar 12.
Artículo en Inglés | MEDLINE | ID: mdl-38472342

RESUMEN

INTRODUCTION AND HYPOTHESIS: Pelvic organ prolapse following a radical cystectomy is challenging to treat and recurrence of prolapse after primary repair is common owing to compromised pelvic floor support and tissue quality. Vaginal prolapse repairs are often preferred because of concern for patients' complex intraabdominal pathological conditions. However, for those with recurrent prolapse following colpocleisis, limited definitive treatment options exist. METHODS: This surgical video presents a 64-year-old G4P4 with a history of radical cystectomy with an Indiana Pouch for invasive urothelial carcinoma who presented with recurrent stage IV vaginal prolapse two years following colpocleisis. Owing to thin vaginal tissue, a sacrocolpopexy with vaginal mesh could not be performed, thus, the patient underwent robotic-assisted vaginal hernia repair with a polypropylene-reinforced ovine tissue matrix attached to Cooper's ligament and the levator ani muscles. RESULTS: The surgery was free from complications and her postoperative Pelvic Organ Prolapse Quantification examination revealed a leading vaginal tissue remnant at the level of the hymen. The patient reported overall improved health and quality of life following surgery and recovery on postoperative validated questionnaires. CONCLUSIONS: Vaginal and pelvic floor hernia repair with a polypropylene-reinforced tissue matrix is a feasible definitive surgical treatment for patients with prior radical cystectomy in whom colpocleisis has failed.

10.
Obstet Gynecol ; 143(4): 539-549, 2024 Apr 01.
Artículo en Inglés | MEDLINE | ID: mdl-38330397

RESUMEN

OBJECTIVE: To systematically review the literature on outcomes of pelvic organ prolapse (POP) surgery in patients from various body mass index (BMI) categories to determine the association between obesity and surgical outcomes. DATA SOURCES: PubMed, EMBASE, and Cochrane databases were searched from inception to April 12, 2022; ClinicalTrials.gov was searched in September 2022 (PROSPERO 2022 CRD42022326255). Randomized and nonrandomized studies of urogynecologic POP surgery outcomes were accepted in which categories of BMI or obesity were compared. METHODS OF STUDY SELECTION: In total, 9,037 abstracts were screened; 759 abstracts were identified for full-text screening, and 31 articles were accepted for inclusion and data were extracted. TABULATION, INTEGRATION, AND RESULTS: Studies were extracted for participant information, intervention, comparator, and outcomes, including subjective outcomes, objective outcomes, and complications. Outcomes were compared among obesity categories (eg, BMI 30-34.9, 35-40, higher than 40), and meta-analysis was performed among different surgical approaches. Individual studies reported varying results as to whether obesity affects surgical outcomes. By meta-analysis, obesity (BMI 30 or higher) is associated with an increased odds of objective prolapse recurrence after vaginal prolapse repair (odds ratio [OR] 1.38, 95% CI, 1.14-1.67) and after prolapse repair from any surgical approach (OR 1.31, 95% CI, 1.12-1.53) and with complications such as mesh exposure after both vaginal and laparoscopic POP repair (OR 2.10, 95% CI, 1.01-4.39). CONCLUSION: Obesity is associated with increased likelihood of prolapse recurrence and mesh complications after POP repair. SYSTEMATIC REVIEW REGISTRATION: PROSPERO CRD42022326255.


Asunto(s)
Prolapso de Órgano Pélvico , Prolapso Uterino , Femenino , Humanos , Procedimientos Quirúrgicos Ginecológicos/efectos adversos , Procedimientos Quirúrgicos Ginecológicos/métodos , Prolapso de Órgano Pélvico/cirugía , Prolapso Uterino/cirugía , Vagina/cirugía , Obesidad/complicaciones , Mallas Quirúrgicas
11.
Obstet Gynecol ; 143(4): 524-537, 2024 Apr 01.
Artículo en Inglés | MEDLINE | ID: mdl-38301255

RESUMEN

OBJECTIVE: To systematically review the literature to evaluate clinical and surgical outcomes for technologies that facilitate vaginal surgical procedures. DATA SOURCES: We systematically searched MEDLINE, EMBASE, and ClinicalTrials.gov from January 1990 to May 2022. METHODS OF STUDY SELECTION: Comparative and single-arm studies with data on contemporary tools or technologies facilitating intraoperative performance of vaginal gynecologic surgical procedures for benign indications were included. Citations were independently double screened, and eligible full-text articles were extracted by two reviewers. Data collected included study characteristics, technology, patient demographics, and intraoperative and postoperative outcomes. Risk of bias for comparative studies was assessed using established methods, and restricted maximum likelihood model meta-analyses were conducted as indicated. TABULATION, INTEGRATION, AND RESULTS: The search yielded 8,658 abstracts, with 116 eligible studies that evaluated pedicle sealing devices (n=32), nonrobotic and robotic vaginal natural orifice transluminal endoscopic surgery (n=64), suture capture devices (n=17), loop ligatures (n=2), and table-mounted telescopic cameras (n=1). Based on 19 comparative studies, pedicle sealing devices lowered vaginal hysterectomy operative time by 15.9 minutes (95% CI, -23.3 to -85), blood loss by 36.9 mL (95% CI, -56.9 to -17.0), hospital stay by 0.2 days (95% CI, -0.4 to -0.1), and visual analog scale pain scores by 1.4 points on a subjective 10-point scale (95% CI, -1.7 to -1.1). Three nonrandomized comparative studies and 53 single-arm studies supported the feasibility of nonrobotic vaginal natural orifice transluminal endoscopic surgery for hysterectomy, adnexal surgery, pelvic reconstruction, and myomectomy. Data were limited for robotic vaginal natural orifice transluminal endoscopic surgery, suture capture devices, loop ligatures, and table-mounted cameras due to few studies or study heterogeneity. CONCLUSION: Pedicle sealing devices lower operative time and blood loss for vaginal hysterectomy, with modest reductions in hospital stay and pain scores. Although other technologies identified in the literature may have potential to facilitate vaginal surgical procedures and improve outcomes, additional comparative effectiveness research is needed. SYSTEMATIC REVIEW REGISTRATION: PROSPERO, CRD42022327490.


Asunto(s)
Laparoscopía , Cirugía Endoscópica por Orificios Naturales , Femenino , Humanos , Histerectomía/métodos , Histerectomía Vaginal/métodos , Procedimientos Quirúrgicos Ginecológicos/métodos , Vagina/cirugía , Laparoscopía/métodos , Dolor , Cirugía Endoscópica por Orificios Naturales/métodos
12.
Sci Rep ; 14(1): 4029, 2024 02 18.
Artículo en Inglés | MEDLINE | ID: mdl-38369546

RESUMEN

Fall armyworm (FAW), Spodoptera frugiperda (J.E. Smith) has significantly affected maize crop yields, production efficiency, and farmers' incomes in the Indian Eastern Gangetic Plains region since it was first observed in India in 2018. A lack of awareness by maize growers of the appropriate selection, method, and timing of insecticide application not only creates a barrier to sustainable FAW control but also contributes to increased environmental pollution, reduced human health and increased production costs. We demonstrated that FAW inflicted the most damage in early whorl growth stage of maize, regardless of whether chemical insecticides were applied. FAW egg masses and larvae collected from maize fields in which no insecticides had been sprayed showed high parasitism rates by parasitoid wasps; in contrast fields that had been sprayed had much lower rates of parasitism on FAW. Ten hymenopteran parasitoids were observed in maize fields across the study region, suggesting a diversity of natural methods to suppress FAW in maize at different growth stages. These included two FAW egg parasitoids and eight FAW larval parasitoids. Microplitis manilae Ashmead was the most abundant FAW larval parasitoid species, and Telenomus cf. remus was the dominant FAW egg parasitoid species. Endemic FAW parasitoids such as those observed in this study have great potential as part of a sustainable, cost-effective agroecological management strategy, which can be integrated with other methods to achieve effective control of FAW.


Asunto(s)
Insecticidas , Avispas , Animales , Humanos , Spodoptera , Insecticidas/farmacología , Larva , Zea mays
13.
Glycoconj J ; 41(1): 1-33, 2024 Feb.
Artículo en Inglés | MEDLINE | ID: mdl-38244136

RESUMEN

Lectins are non-immunological carbohydrate-binding proteins classified on the basis of their structure, origin, and sugar specificity. The binding specificity of such proteins with the surface glycan moiety determines their activity and clinical applications. Thus, lectins hold great potential as diagnostic and drug discovery agents and as novel biopharmaceutical products. In recent years, significant advancements have been made in understanding plant and microbial lectins as therapeutic agents against various viral diseases. Among them, mannose-specific lectins have being proven as promising antiviral agents against a variety of viruses, such as HIV, Influenza, Herpes, Ebola, Hepatitis, Severe Acute Respiratory Syndrome Coronavirus-1 (SARS-CoV-1), Middle Eastern Respiratory Syndrome Coronavirus (MERS-CoV) and most recent Severe Acute Respiratory Syndrome Coronavirus-2 (SARS-CoV-2). The binding of mannose-binding lectins (MBLs) from plants and microbes to high-mannose containing N-glycans (which may be simple or complex) of glycoproteins found on the surface of viruses has been found to be highly specific and mainly responsible for their antiviral activity. MBLs target various steps in the viral life cycle, including viral attachment, entry and replication. The present review discusses the brief classification and structure of lectins along with antiviral activity of various mannose-specific lectins from plants and microbial sources and their diagnostic and therapeutic applications against viral diseases.


Asunto(s)
Lectinas , Virosis , Humanos , Lectinas/metabolismo , Manosa , Glicoproteínas , SARS-CoV-2 , Polisacáridos , Antivirales/farmacología , Antivirales/uso terapéutico , Antivirales/química , Virosis/tratamiento farmacológico , Lectinas de Plantas/farmacología , Lectinas de Unión a Manosa/química
14.
Zootaxa ; 5399(4): 347-364, 2024 Jan 15.
Artículo en Inglés | MEDLINE | ID: mdl-38221150

RESUMEN

The Indian members of the subtribe Spinariina van Achterberg, 1988 are reviewed and a key to Indian species is provided. Spinaria westwoodi Cameron, 1906 is reported from Great Nicobar island and a new species, Spinaria indica Gupta & van Achterberg, sp. nov. from Nagaland, is described and illustrated. In addition, Batotheca nigriceps (Cameron, 1897) is reported from caterpillars feeding on Psidium guajava L. and S. spinator (Gurin-Mneville, 1830) from slug caterpillar (Limacodidae) on Elaeodendron glaucum (Rottb.) Pers. in southern India.


Asunto(s)
Himenópteros , Lepidópteros , Avispas , Animales , India
15.
Proteins ; 2024 Jan 19.
Artículo en Inglés | MEDLINE | ID: mdl-38243636

RESUMEN

The recently discovered SWEET (Sugar Will Eventually be Exported Transporter) proteins are involved in the selective transport of monosaccharides and disaccharides. The prokaryotic counterparts, semiSWEETs, form dimers with each monomer forming a triple-helix transmembrane bundle (THB). The longer eukaryotic SWEETs have seven transmembrane helices with two THBs and a linker helix. Structures of semiSWEETs/SWEETs have been determined experimentally. Experimental studies revealed the role of plant SWEETs in vital physiological processes and identified residues responsible for substrate selectivity. However, SWEETs/semiSWEETs from metazoans and bacteria are not characterized. In this study, we used structure-based sequence alignment and compared more than 2000 SWEET/semiSWEETs from four different taxonomic groups. Conservation of residue/chemical property was examined at all positions. Properties of clades/subclades of phylogenetic trees from each taxonomic group were analyzed. Conservation pattern of known residues in the selectivity-filter was used to predict the substrate preference of plant SWEETs and some clusters of metazoans and bacteria. Some residues at the gating and substrate-binding regions, pore-facing positions and at the helix-helix interface are conserved across all taxonomic groups. Conservation of polar/charged residues at specific pore-facing positions, helix-helix interface and in loops seems to be unique for plant SWEETs. Overall, the number of conserved residues is less in metazoan SWEETs. Plant and metazoan SWEETs exhibit high conservation of four and three proline residues respectively in "proline tetrad." Further experimental studies can validate the predicted substrate selectivity and significance of conserved polar/charged/aromatic residues at structurally and functionally important positions of SWEETs/semiSWEETs in plants, metazoans and bacteria.

16.
Pediatrics ; 153(1)2024 Jan 01.
Artículo en Inglés | MEDLINE | ID: mdl-38073316

RESUMEN

OBJECTIVES: Primary mental health admissions are increasing across US children's hospitals. These patients may experience agitation requiring pharmacologic restraint. This study characterized pharmacologic restraint use in medical inpatient units by primary mental health diagnosis. METHODS: This retrospective, cross-sectional study used the Pediatric Health Information System database. The study included children aged 5 to 17 years admitted with a primary mental health diagnosis between 2016 and 2021. Rates of pharmacologic restraint use per 1000 patient days were determined for 13 mental health diagnoses and trended over time with Poisson regression. RESULTS: Of 91 898 hospitalizations across 43 hospitals, 3% of admissions and 1.3% of patient days involved pharmacologic restraint. Trends in the rate of pharmacologic restraint use remained stable (95% confidence interval [CI], 0.7-2.1), whereas the incidence increased by 141%. Diagnoses with the highest rates of pharmacologic restraint days per 1000 patient days included autism (79.4; 95% CI, 56.2-112.3), substance-related disorders (45.0; 95% CI, 35.9-56.4), and disruptive disorders (44.8; 95% CI, 25.1-79.8). The restraint rate significantly increased in disruptive disorders (rate ratio [RR], 1.4; 95% CI, 1.1-1.6), bipolar disorders (RR, 2.0; 95% CI, 1.4-3.0), eating disorders (RR, 2.4; 95% CI, 1.5-3.9), and somatic disorders (RR, 4.2; 95% CI, 1.9-9.1). The rate significantly decreased for autism (RR, 0.8; 95% CI, 0.6-1.0) and anxiety disorders (RR, 0.3; 95% CI, 0.2-0.6). CONCLUSIONS: Pharmacologic restraint use among children hospitalized with a primary mental health diagnosis increased in incidence and varied by diagnosis. Characterizing restraint rates and trends by diagnosis may help identify at-risk patients and guide targeted interventions to improve pharmacologic restraint utilization.


Asunto(s)
Salud Mental , Trastornos Relacionados con Sustancias , Humanos , Niño , Estudios Retrospectivos , Estudios Transversales , Hospitalización , Hospitales , Hospitales Pediátricos
17.
Osong Public Health Res Perspect ; 14(5): 388-417, 2023 Oct.
Artículo en Inglés | MEDLINE | ID: mdl-37920896

RESUMEN

BACKGROUND: Patients with coronavirus disease 2019 (COVID-19) present with a variety of oral manifestations. Therefore, we conducted a systematic review to estimate the prevalence of oral lesions among COVID-19 patients. METHODS: An extensive literature search of several electronic bibliographic databases (PubMed, Scopus, Science Direct, Litcovid) was conducted to retrieve all articles published in the English language from January 1, 2020 to March 31, 2023 that reported the prevalence of oral manifestations among COVID-19 patients. A meta-analysis of pooled prevalence was performed using Jamovi ver. 2.3 (2022). The I2 and Q statistics were used to assess heterogeneity between studies, and p-values <0.01 were considered statistically significant. RESULTS: In total, 79 studies with data from 13,252 patients were included. The articles were predominantly published in 2020 (n=33), and Italy was the most common country (n=14). Most of the affected patients more than 50 years old and women (56.6%). The most common sites of involvement were the tongue (n=65), followed by the oral mucosa (n=37) and lips (n=19). High heterogeneity was found between studies. The most common oral manifestation was taste alteration, followed by xerostomia and ulceration, showing pooled prevalence rates of 48%, 35%, and 21%, respectively. CONCLUSION: COVID-19 patients show various oral manifestations that may help clinicians identify the disease promptly. Recognition of the signs and symptoms of COVID-19 is critical for an early diagnosis and better prognosis.

18.
Adv Sci (Weinh) ; 10(36): e2303567, 2023 Dec.
Artículo en Inglés | MEDLINE | ID: mdl-37939302

RESUMEN

Bone injuries such as fractures are one major cause of morbidities worldwide. A considerable number of fractures suffer from delayed healing, and the unresolved acute pain may transition to chronic and maladaptive pain. Current management of pain involves treatment with NSAIDs and opioids with substantial adverse effects. Herein, we tested the hypothesis that the purine molecule, adenosine, can simultaneously alleviate pain and promote healing in a mouse model of tibial fracture by targeting distinctive adenosine receptor subtypes in different cell populations. To achieve this, a biomaterial-assisted delivery of adenosine is utilized to localize and prolong its therapeutic effect at the injury site. The results demonstrate that local delivery of adenosine inhibited the nociceptive activity of peripheral neurons through activation of adenosine A1 receptor (ADORA1) and mitigated pain as demonstrated by weight bearing and open field movement tests. Concurrently, local delivery of adenosine at the fracture site promoted osteogenic differentiation of mesenchymal stromal cells through adenosine A2B receptor (ADORA2B) resulting in improved bone healing as shown by histological analyses and microCT imaging. This study demonstrates the dual role of adenosine and its material-assisted local delivery as a feasible therapeutic approach to treat bone trauma and associated pain.


Asunto(s)
Fracturas Óseas , Osteogénesis , Animales , Ratones , Curación de Fractura , Fracturas Óseas/tratamiento farmacológico , Dolor , Adenosina/farmacología , Adenosina/uso terapéutico
19.
Obstet Gynecol ; 142(6): 1468-1476, 2023 Dec 01.
Artículo en Inglés | MEDLINE | ID: mdl-37917942

RESUMEN

OBJECTIVE: To compare postprocedure retreatment rates for stress incontinence in patients who underwent either midurethral sling or urethral bulking at the time of concomitant repair of pelvic organ prolapse (POP). METHODS: This was a retrospective cohort study using data from the Premier Healthcare Database. Using Current Procedural Terminology codes, we identified patients who were undergoing POP repair and concomitant urethral bulking or midurethral sling between the years 2001 and 2018. Patients who underwent concomitant nongynecologic surgery, Burch urethropexy, or oncologic surgery, and those who did not undergo concomitant POP and anti-incontinence surgery, were excluded. Additional data collected included patient demographics, hospital characteristics, surgeon volume, and comorbidities. The primary outcome was a repeat anti-incontinence procedure at 2 years, and the secondary outcome was the composite complication rate. RESULTS: Over the study period, 540 (0.59%) patients underwent urethral bulking, and 91,005 (99.41%) patients underwent midurethral sling. The rate of a second procedure within 2 years was higher for urethral bulking, compared with midurethral sling (9.07% vs 1.11%, P <.001); in the urethral bulking group, 4.81% underwent repeat urethral bulking and 4.81% underwent midurethral sling. In the midurethral sling group, 0.77% underwent repeat midurethral sling and 0.36% underwent urethral bulking. After adjusting for confounders, midurethral sling was associated with a decreased odds of a repeat anti-incontinence procedure at 2 years (adjusted odds ratio 0.11, 95% CI 0.08-0.16). The probability of any complication at 2 years was higher with urethral bulking (23.0% vs 15.0%, P <.001). CONCLUSION: Urethral bulking at the time of POP repair is associated with a higher rate of repeat procedure and postoperative morbidity up to 2 years after surgery.


Asunto(s)
Prolapso de Órgano Pélvico , Cabestrillo Suburetral , Incontinencia Urinaria de Esfuerzo , Humanos , Morbilidad , Prolapso de Órgano Pélvico/cirugía , Prolapso de Órgano Pélvico/complicaciones , Retratamiento , Estudios Retrospectivos , Incontinencia Urinaria de Esfuerzo/cirugía
20.
Obstet Gynecol ; 142(5): 1044-1054, 2023 11 01.
Artículo en Inglés | MEDLINE | ID: mdl-37826848

RESUMEN

OBJECTIVE: To explore how markers of health care disparity are associated with access to care and outcomes among patients seeking and undergoing hysterectomy for benign indications. DATA SOURCES: PubMed, EMBASE, and ClinicalTrials.gov were searched through January 23, 2022. METHODS OF STUDY SELECTION: The population of interest included patients in the United States who sought or underwent hysterectomy by any approach for benign indications. Health care disparity markers included race, ethnicity, geographic location, insurance status, and others. Outcomes included access to surgery, patient level outcomes, and surgical outcomes. Eligible studies reported multivariable regression analyses that described the independent association between at least one health care disparity risk marker and an outcome. We evaluated direction and strengths of association within studies and consistency across studies. TABULATION, INTEGRATION, AND RESULTS: Of 6,499 abstracts screened, 39 studies with a total of 46 multivariable analyses were included. Having a Black racial identity was consistently associated with decreased access to minimally invasive, laparoscopic, robotic, and vaginal hysterectomy. Being of Hispanic ethnicity and having Asian or Pacific Islander racial identities were associated with decreased access to laparoscopic and vaginal hysterectomy. Black patients were the only racial or ethnic group with an increased association with hysterectomy complications. Medicare insurance was associated with decreased access to laparoscopic hysterectomy, and both Medicaid and Medicare insurance were associated with increased likelihood of hysterectomy complications. Living in the South or Midwest or having less than a college degree education was associated with likelihood of prior hysterectomy. CONCLUSION: Studies suggest that various health care disparity markers are associated with poorer access to less invasive hysterectomy procedures and with poorer outcomes for patients who are undergoing hysterectomy for benign indications. Further research is needed to understand and identify the causes of these disparities, and immediate changes to our health care system are needed to improve access and opportunities for patients facing health care disparities. SYSTEMATIC REVIEW REGISTRATION: PROSPERO, CRD42021234511.


Asunto(s)
Disparidades en Atención de Salud , Medicare , Anciano , Femenino , Humanos , Estados Unidos , Histerectomía/métodos , Etnicidad , Histerectomía Vaginal , Estudios Retrospectivos
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