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Nevin Manimala Statistics

Social risk factors for SARS-CoV-2 acquisition in University students: cross sectional survey

Epidemiol Infect. 2022 Nov 4:1-23. doi: 10.1017/S0950268822001698. Online ahead of print.

NO ABSTRACT

PMID:36328978 | DOI:10.1017/S0950268822001698

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Social support in rural communities in Manabi province, Ecuador

Rural Remote Health. 2022 Nov;22(4):6957. doi: 10.22605/RRH6957. Epub 2022 Nov 3.

ABSTRACT

INTRODUCTION: Social support has been found in many contexts, and in urban Ecuador, to be protective of health, particularly in the context of disaster. Fewer studies have explored the presence and impact of social support in rural Ecuador. This study engages a rural community in Ecuador to examine the general levels of social support, differences in social support based on different demographic groupings and relationships among social support and health outcomes and protective health behaviors.

METHODS: A cross-sectional design was used to survey 416 people in a rural Ecuadorian community that had recently experienced an earthquake. Spanish-language versions of the Multidimensional Scale of Perceived Social Support and the Interpersonal Support Evaluation List-12 were applied, as well as questions about demographics and risk reduction behaviors. Body mass index, blood pressure, and cholesterol and blood sugar levels were assessed. Analysis of variance assessed differences in social support among demographic groupings, risk reduction behaviors, and health outcomes.

RESULTS: Levels of social support were moderate. Few statistically significant (ie p<0.05) differences in amount of social support received or in sources of social support were found. Men, people 80 years or older, divorced or widowed people, and people living in peripheral areas received less social support than women, people of all other ages, married/cohabitating people, and people living within the village, respectively. Effect sizes of these differences were small. No relationship between social support and health outcomes were found, and few were found for risk reduction factors.

CONCLUSION: These findings indicate that social support may function differently in rural Ecuador than in urban contexts. Those promoting social support in rural communities may wish to focus on community-level, not individual-level, interventions. Limitations of applying an assessment of social support from urban Ecuadorian contexts to rural Ecuadorian contexts are discussed.

PMID:36328965 | DOI:10.22605/RRH6957

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An Assessment of the Diagnosis, Treatment, and Outcomes of Lower Extremity Stress Fractures in Pediatric and Adolescent Populations

Phys Sportsmed. 2022 Nov 3. doi: 10.1080/00913847.2022.2143247. Online ahead of print.

ABSTRACT

OBJECTIVES: To present one of the first descriptive case series of pediatric and adolescent lower extremity stress injuries, their management and outcomes in athletes and non-athletes.

METHODS: : IRB-approved retrospective study included patients under 18 years at a tertiary children’s hospital who were diagnosed with a lower extremity stress fracture/reaction. Demographic data, mechanism of injury, physical exam, radiographic findings, treatment, & outcomes were collected. Descriptive statistical analysis was conducted.

RESULTS: 97 patients with stress injuries on clinical exam and on radiographs or MRI were included. Average age when diagnosed was 11.7 years (range 1.1-18 years) and the most common injuries were to the tibia (n=33, 28.4%) and the least common involved were the cuneiforms (n=4, 3.4%). Patients under the age of 14 were more likely to experience cuboid and calcaneal stress injuries (mean age 5.5 and 8.3 years respectively). 19 patients (19.6%) had high-risk stress fractures, with the average age of 14.9 years versus 11.6 for those with low risk (p-value=0.01) and return to activity time being 15 weeks compared to 10.5 (p-value=0.027). The most common forms of treatment were controlled ankle motion (CAM) walker boots (58.6%) and physical therapy (PT) (38.1%). Mean Lower Extremity Function Score of the patient population was 73.8, indicating no clinically important difference from full functionality.

CONCLUSION: Lower extremity stress injuries in this cohort were most seen in the tibia, although patients younger than 14 had a high number of cuboid and calcaneal stress injuries. Those with high-risk stress fractures were older and took longer to recover when compared to low-risk injuries. Treatment is commonly conservative, with CAM boots and PT being the most frequently utilized interventions and serving as a successful approach to treatment, with patients returning to activity at an average of 11.4 weeks, which is comparable to similar studies.

PMID:36328959 | DOI:10.1080/00913847.2022.2143247

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Association between gene polymorphisms of IL-12, IL-12 receptor and IL-27 and organ involvement in Iranian endometriosis patients

Int J Immunogenet. 2022 Nov 3. doi: 10.1111/iji.12606. Online ahead of print.

ABSTRACT

Endometriosis is an inflammatory disease characterized by the presence of ectopic endometrial tissue, immune cell dysfunction and abnormal cytokine secretion. In addition to immunological factors, genetic variations that influence endometriosis severity and cytokine expression levels play important roles in the pathogenesis of this disease. Interleukin-12 (IL-12), specifically its p40 subunit encoded by IL-12B gene and the interleukin-12 receptor β1 (IL-12Rβ2) chain of its receptor, as well as interleukin-27 (IL-27) are important in the establishment of endometriosis. So, in this study, we measured IL-12 and IL-27 serum levels and investigated the possible links between IL-12B rs3212227, IL-12Rβ2 rs3790565 and IL-27 rs153109 polymorphisms and the risk of developing endometriosis in a group of Iranian women. In this case-control study, 162 endometriosis patients and 151 healthy women were included and tested for the aforementioned polymorphisms using the polymerase chain reaction-restriction fragment length polymorphism (PCR-RFLP) technique. The enzyme-linked immunosorbent assay (ELISA) method was also used to measure IL-12 and IL-27 serum levels. Although there was no statistically significant association between the genotypes and alleles of the studied polymorphisms and the development of endometriosis in general, the AA genotype of IL-12B rs3212227 showed a significant association with uterine endometriosis when compared to AC+CC genotypes (p = .04, CI = 0.270-0.988, OR = 0.517). Indeed, the AA genotype of the IL-12B rs3212227 single nucleotide polymorphism (SNP) may be linked with a lower risk of developing uterine endometriosis. There was no significant difference in IL-27 levels between the two studied groups (p = .49), and IL-12 levels were undetectable in both groups. In conclusion, the AA genotype of IL-12B rs3212227 might be associated with a decreased risk of uterine involvement in endometriosis patients.

PMID:36328955 | DOI:10.1111/iji.12606

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Trends in Female Representation at Plastic Surgery Meetings: A Move Toward Gender Equity at the Podium

J Plast Reconstr Aesthet Surg. 2022 Oct 15:S1748-6815(22)00569-1. doi: 10.1016/j.bjps.2022.10.019. Online ahead of print.

ABSTRACT

Anecdotally, female plastic surgeons are disproportionately underrepresented as speakers, moderators, and panelists at national and regional plastic surgery meetings. No studies have attempted to quantify female representation at Plastic Surgery The Meeting (PSTM). The objective of our study is to examine trends in female participation at PSTM. Names of participating plastic surgeons and their conference positions were obtained from PSTM meeting programs between 2015-2020. Conference positions included instructor, lead, lecturer, moderator, panelist, or other. Presentations were grouped as the following: conference/symposium; general session; instructional course; and lab. An automated gender assignment tool (gender-api.com) was used to determine the gender of participants. Descriptive statistics and trend analyses using Cochran-Armitage trend tests were performed. Between 2015-2020, 3,382 individuals (602 females, 17.8%) presented at PSTM in one of the instructional or moderating roles. Female presenters at PSTM increased from 60 (12.4%) in 2015, to 155 (26.5%) by 2020. The results for the proportion of females presenting in the general session and the instructional courses were statistically significant (p < .0001; p =.029), demonstrating a positive linear trend in the female proportions over the years. From 2015 to 2020, the proportions of females holding positions as moderators, panelists, and “other” increased significantly (p = .011; p = .011; p < .0001). Although female participation at PSTM has shown substantial growth over the last five years, there still exists a considerable gender imbalance. Notably, females were less likely to hold prominent positions, such as instructors, leads, or lecturers.

PMID:36328946 | DOI:10.1016/j.bjps.2022.10.019

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An Evaluation of Research Publications for General Surgery Residents And its Influence on the Future Pursuit of Fellowship or Academic Career

J Surg Educ. 2022 Oct 31:S1931-7204(22)00259-8. doi: 10.1016/j.jsurg.2022.10.004. Online ahead of print.

ABSTRACT

INTRODUCTION: Traditionally, the Accreditation Council for Graduate Medical Education (ACGME) requires residency programs to implement research and other scholarly activities into their training curriculum. Encouraging residents to publish during residency is believed to promote research throughout their careers; however, the rate of research outcomes among general surgery residents remains unknown. Our study aims to determine associated factors that influence publication rates before, during, and after general surgery residency.

METHODS: This observational study employed a cross-sectional design. We examined whether research outcomes during general surgery residency was associated with academic advancement or continued research involvement after residency. We identified 321 general surgery residency programs on the Doximity website and randomly selected 50 to include in our sample. Of these programs, graduate rosters for 31 programs were located and subsequently included. Of the 405 residency graduates identified, we recorded the number of peer-reviewed publications, H-indices, fellowships, and whether the graduate pursued a career in private practice or academia.

RESULTS: Among the 405 physicians analyzed, 3815 total publications were identified with a mean of 9.4 (SD 11.8) per person. The most reported study design was observational studies (46.5%; 1775/3815) and the least reported was systematic reviews/meta-analyses (1.4%; 52/3815). The number of publications before residency positively correlated with having a higher h-index (r = 0.4). We also found that physicians who completed a fellowship had more publications during residency (mean = 4.7, SD = 6.5) than those not pursuing a fellowship (mean = 1.5, SD = 2.7; t= -4.3. p ≤ 0.001). We observed a statistically significant increase in the likelihood a physician pursued a career in academic medicine if they pursued a fellowship (OR: 3.77, 95% CI: 2.0-7.2) and if they had published research as a primary author (OR 1.25, 95% CI: 1.0-1.5).

CONCLUSION: Increased research productivity was associated with continued academic pursuits and an increased likelihood of pursuing fellowship training after residency.

PMID:36328936 | DOI:10.1016/j.jsurg.2022.10.004

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Real-world Practice Patterns and Safety of Concurrent Radiotherapy and Cabozantinib in Metastatic Renal Cell Carcinoma: Results from the International Metastatic Renal Cell Carcinoma Database Consortium

Eur Urol Oncol. 2022 Oct 31:S2588-9311(22)00174-2. doi: 10.1016/j.euo.2022.10.004. Online ahead of print.

ABSTRACT

BACKGROUND: There is a paucity of data on the safety of cabozantinib use in combination with radiotherapy.

OBJECTIVE: To report the practice patterns, safety, and efficacy of cabozantinib with radiotherapy in metastatic renal cell carcinoma (mRCC).

DESIGN, SETTING, AND PARTICIPANTS: An international multicenter retrospective study was conducted. Patients with mRCC treated with cabozantinib at any line of therapy and who received radiotherapy between 30 d prior to the start date of cabozantinib and 30 d following discontinuation of cabozantinib, from 2014 to 2020, were included. Concurrent use was defined as the use of cabozantinib on radiotherapy treatment days during any course of radiotherapy.

OUTCOME MEASUREMENTS AND STATISTICAL ANALYSIS: The primary outcomes of interest were the rate of grade ≥3 adverse events (AEs) occurring within 90 d of receipt of radiotherapy. Secondary outcomes included hospitalization rate and patterns of cabozantinib and radiotherapy use. Baseline characteristics and AEs were presented descriptively.

RESULTS AND LIMITATIONS: A total of 127 consecutive patients were included. Most patients had clear cell histology (88%), had International Metastatic Renal Cell Carcinoma Database Consortium intermediate-risk disease (57%), and had received at least one prior line of therapy (93%). Of 127 patients, 67 (53%) received concurrent cabozantinib with radiotherapy, while the remaining held cabozantinib on radiotherapy days. Overall, grade 3-4 AEs occurred in 6.3% (n = 8/127) of patients. No grade 5 events were observed. In patients treated with conventional palliative radiotherapy (n = 88), the rate of grade 3-4 AEs in those who had concurrent versus those who had nonconcurrent cabozantinib was 6.3% (n = 3/48) versus 5.0% (n = 2/40). No patient was hospitalized due to radiotherapy-related toxicity. In patients treated with stereotactic ablative body radiotherapy (SABR; n = 50), the rate of grade 3-4 AEs in those who had concurrent versus those who had nonconcurrent cabozantinib was 3.6% (n = 1/28) versus 9.1% (n = 2/22). One patient in the nonconcurrent group was hospitalized due to muscle weakness suspected to be related to associated vasogenic edema 19 d after SABR for multiple brain metastases.

CONCLUSIONS: In this real-world study of patients with mRCC treated with cabozantinib, 53% of patients received radiotherapy concurrently, with few grade 3-4 AEs reported within 90 d of receiving radiotherapy. The use of radiotherapy and cabozantinib requires a risk-benefit assessment of patient and disease characteristics to optimize therapy regimens.

PATIENT SUMMARY: Our study reports the real-world experience of using radiotherapy in patients receiving cabozantinib for metastatic kidney cancer. Over half of the patients continued taking cabozantinib while receiving radiotherapy, and few patients developed serious side effects. The combined use of radiotherapy and cabozantinib requires a careful risk-benefit assessment to achieve optimal treatment outcomes.

PMID:36328934 | DOI:10.1016/j.euo.2022.10.004

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Comparing Calcaneus Fracture Radiographic Outcomes and Complications after Percutaneous Pin versus Screw Fixation

J Foot Ankle Surg. 2022 Sep 28:S1067-2516(22)00269-1. doi: 10.1053/j.jfas.2022.09.005. Online ahead of print.

ABSTRACT

Calcaneus fracture fixation is associated with high rates of morbidity and disability from wound complications, infection, subtalar arthritis, and malunion. Percutaneous fixation with Kirshner wires (K-wires) or screws may be implemented when soft tissue injury precludes an open approach. Although screws are thought to provide greater stability, limited data exists directly comparing fixation success of these implants. Medical record data from 53 patients (62 total fractures) surgically treated with percutaneous screws (28 fractures) or K-wires (34 fractures) for joint-depression calcaneus fractures at a large tertiary hospital were retrospectively reviewed. Bohler’s angle and calcaneal varus were assessed from available radiographs at time of injury, postoperatively, and at final follow-up, and joint congruity was assessed postoperatively and at final follow-up. Complications were also extracted. There were no statistical differences in patient characteristics between surgical groups although a higher proportion of patients treated with K-wires compared to screws had other associated injuries (79% vs 42%, p = .01). A higher proportion of fractures treated with screws compared to K-wires maintained joint congruity at the final follow-up (69% vs 32%, p = .005). However, there were no statistically detectable differences in other postoperative radiographic metrics (p > .05). In conclusion, joint congruity was more often maintained with screw fixation although there was no statistical difference in restoration and maintenance of Bohler’s angle or varus alignment. The difference in radiographic metrics was not correlated with secondary procedures, namely subtalar arthrodesis, and may not be clinically significant. Neither group was completely effective in attaining and maintaining reduction, and additional fixation strategies should be considered if feasible based on patient, injury, and soft tissue characteristics.

PMID:36328917 | DOI:10.1053/j.jfas.2022.09.005

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Augmented corticotomy-assisted presurgical orthodontic treatment to prevent alveolar bone loss in patients with skeletal Class III malocclusion

Am J Orthod Dentofacial Orthop. 2022 Oct 31:S0889-5406(22)00647-3. doi: 10.1016/j.ajodo.2021.10.021. Online ahead of print.

ABSTRACT

INTRODUCTION: The objective of this study was to explore the effect of augmented corticotomy (AC) on anterior alveolar bone morphology in presurgical orthodontic treatment for skeletal Class III malocclusion.

METHODS: Thirty-six surgical patients with skeletal Class III malocclusion with high-angle were included: 18 (AC group) accepted AC surgery during presurgical orthodontic treatment, and 18 (control group) accepted traditional presurgical orthodontic treatment. Cone-beam computed tomography scans were obtained before treatment (T0) and after presurgical orthodontic treatment (T1). The alveolar bone morphology, root length, dehiscence, and movement of mandibular central incisors were measured by cone-beam computed tomography using Dolphin software. Statistical analyses were performed with independent-sample t tests, paired t tests, and multiple linear regression.

RESULTS: After presurgical orthodontic treatment, the whole alveolar bone thickness at each level, alveolar bone area, and alveolar bone height decreased significantly in the control group but increased or remained unchanged in the AC group. In the AC group, the lower the labial alveolar bone height at T0 was, the greater the increase after T1; the change in alveolar bone thickness was related to ΔL1-MP and sex. At T0, the incidences of dehiscence were similar in the 2 groups, ranging from 11.11% to 16.67%. At T1, the labial and lingual incidences of dehiscence in the AC group were 0% and 27.78%, compared with 55.56% and 66.67% in the control group.

CONCLUSIONS: During presurgical orthodontic treatment, AC is effective in preventing alveolar bone resorption and dehiscence without additional root resorption. AC can be recommended for high-angle skeletal Class III patients with thin alveolar bone around anterior teeth during presurgical orthodontic treatment.

PMID:36328904 | DOI:10.1016/j.ajodo.2021.10.021

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Subcutaneous and Transvenous Defibrillators in Arrhythmogenic Right Ventricular Cardiomyopathy: A Comparison of Clinical and Quality-of-Life Outcomes

JACC Clin Electrophysiol. 2022 Oct 21:S2405-500X(22)00846-5. doi: 10.1016/j.jacep.2022.09.020. Online ahead of print.

ABSTRACT

BACKGROUND: There is limited evidence guiding the selection between subcutaneous and transvenous implantable cardioverter-defibrillators (ICDs) in patients with arrhythmogenic right ventricular cardiomyopathy (ARVC) at risk for sudden death.

OBJECTIVES: This study aimed to compare clinical and quality-of-life outcomes between transvenous and subcutaneous ICDs among patients with ARVC.

METHODS: Patients with a subcutaneous ICD (n = 57) were matched to patients with a transvenous ICD (n = 88) based on sex, proband status, primary prevention or secondary prevention, monomorphic ventricular tachycardia before implantation, and year of implantation. Appropriate therapy for ventricular arrhythmia, inappropriate shocks, and complications were compared. Quality-of-life surveys were conducted annually.

RESULTS: The matched cohort (median age of 35 years, 43% men, 78% proband, and 37% secondary prevention device) were prospectively followed for 5.1 ± 2.5 years. No significant difference was observed in the rate of appropriate ICD shocks. The subcutaneous group had more inappropriate shocks (23% vs 10%) and fewer procedure-related complications (4% vs 14%) than the transvenous group (P < 0.05). The association between ICD type and the composite of inappropriate shock and complication was not statistically significant (subcutaneous vs transvenous adjusted HR: 1.43; 95% CI: 0.72-2.84). A subcutaneous ICD was associated with more body image concerns and range of motion than a transvenous ICD (P < 0.05).

CONCLUSIONS: In patients with ARVC receiving an ICD, the risk of inappropriate shocks from a subcutaneous ICD should be balanced against the significant vascular complication risk from a transvenous ICD. Patients with a subcutaneous ICD had more concerns for body image and range of motion.

PMID:36328892 | DOI:10.1016/j.jacep.2022.09.020