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Nevin Manimala Statistics

To drain or not to drain following thyroidectomy.: A prospective, randomized study

Saudi Med J. 2023 May;44(5):518-521. doi: 10.15537/smj.2023.44.5.20220031.

ABSTRACT

OBJECTIVES: To ascertain the use of draining the thyroid bed following surgery.

METHODS: Fifty four patients who underwent total thyroidectomy were enrolled in the study between March 2021 and July 2022 and randomly allocated into 2 groups – a drain group and a no drain group. The hospital stay, operating time, post operative pain, post operative complications, cosmesis, and patient’s perspectives were compared.

RESULTS: The mean duration of hospitalization was significantly shorter in the no drain group as compared to the drain group. The post operative pain, as assessed by the Mankoski Pain Scale (MPS) was significantly higher in the drain group than in the no drain group. The cosmetic evaluation undertaken using the Hollander Wound Evaluation Scale, noted that there was a statistically significant difference in scarring between the 2 groups. There was no statistically significant difference in the duration of surgery and post operative complications between the two groups. Patient satisfaction was also noted to be superlative in the no drain group.

CONCLUSION: The routine drain placement following thyroidectomy places the patient at a disadvantage in terms of longer hospitalisation, increased post operative pain and poor cosmetic outcome.

PMID:37182919 | DOI:10.15537/smj.2023.44.5.20220031

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Patient comfort in percutaneous coronary interventions

Saudi Med J. 2023 May;44(5):471-478. doi: 10.15537/smj.2023.44.5.20220872.

ABSTRACT

OBJECTIVES: To identify patients’ general comfort levels in percutaneous coronary intervention.

METHODS: This descriptive research included 2 hundred cardiac patients, whom were in the Medipol Mega University Hospital, Istanbul, during the period between May 2018 and May 2019. The data were obtained by General Comfort Questionnaire and evaluated using mean, standard deviation, percentage and t-test.

RESULTS: In this study reports that patients had the mean total comfort score as 3.03±0.3. They acquired the maximum score from the psychospiritual comfort subdimension and the minimum score from the physical comfort subdimension. Patients who experienced transradial percutaneous coronaryintervention had statistically higher general, physical, psycospiritual and environmental comfort levels than those who had transfemoral intervention (p<0.05). According to both access methods, relief and ease levels were significantly different.

CONCLUSION: Patients who experienced percutaneous coronary intervention have above medium general comfort levels. Their physical comfort scored lowest within the comfort dimensions investigated in this study. The comfort level of the patients to whom the transradial method was applied was found to be higher in comparison with the transfemoral method.

PMID:37182915 | DOI:10.15537/smj.2023.44.5.20220872

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Nevin Manimala Statistics

Associations of Microvascular Dysfunction with Mild Cognitive Impairment and Cognitive Function Among Rural-Dwelling Older Adults in China

J Alzheimers Dis. 2023 May 5. doi: 10.3233/JAD-221242. Online ahead of print.

ABSTRACT

BACKGROUND: Microvascular dysfunction (MVD) may contribute to cognitive impairment and Alzheimer’s disease, but evidence is limited.

OBJECTIVE: To investigate the association of composite and organ-specific MVD burden with mild cognitive impairment (MCI) and cognition among rural-dwelling Chinese older adults.

METHODS: In this population-based cross-sectional study, we assessed MVD makers using optical coherence tomographic angiography for retinal microvasculature features, brain magnetic resonance imaging scans for cerebral small vessel disease (CSVD), and serum biomarkers for MVD. A composite MVD score was generated from the aforementioned organ-specific parameters. We used a neuropsychological test battery to assess memory, verbal fluency, attention, executive function, and global cognitive function. MCI, amnestic MCI (aMCI), and non-amnestic MCI (naMCI) were diagnosed following the Petersen’s criteria. Data was analyzed with the linear and logistic regression models.

RESULTS: Of the 274 dementia-free participants (age≥65 years), 56 were diagnosed with MCI, including 47 with aMCI and 9 with naMCI. A composite MVD score was statistically significantly associated with an odds ratio (OR) of 2.70 (95% confidence interval 1.12-6.53) for MCI and β-coefficient of -0.29 (-0.48–0.10) for global cognitive score after adjustment for socio-demographics, lifestyle factors, APOE genotype, the Geriatric Depression Scale score, serum inflammatory biomarkers, and cardiovascular comorbidity. A composite score of retinal microvascular morphology was associated with a multivariable-adjusted OR of 1.72 (1.09-2.73) for MCI and multivariable-adjusted β-coefficient of -0.11 (-0.22–0.01) for global cognitive score. A composite CSVD score was associated with a lower global cognitive score (β= -0.10; -0.17–0.02).

CONCLUSION: Microvascular dysfunction, especially in the brain and retina, is associated with MCI and poor cognitive function among rural-dwelling older adults.

PMID:37182877 | DOI:10.3233/JAD-221242

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A normative blood velocity model in the exchange microvessels for discriminating health from disease: Healthy controls versus COVID-19 cases

Clin Hemorheol Microcirc. 2023 May 5. doi: 10.3233/CH-231780. Online ahead of print.

ABSTRACT

A usual practice in medicine is to search for “biomarkers” which are measurable quantities of a normal or abnormal biological process. Biomarkers can be biochemical or physical quantities of the body and although commonly used statistically in clinical settings, it is not usual for them to be connected to basic physiological models or equations. In this work, a normative blood velocity model framework for the exchange microvessels was introduced, combining the velocity-diffusion (V-J) equation and statistics, in order to define the normative range (NR) and normative area (NA) diagrams for discriminating normal (normemic) from abnormal (hyperemic or underemic) states, taking into account the microvessel diameter D. This is different from the usual statistical processing since there is a basis on the well-known physiological principle of the flow diffusion equation. The discriminative power of the average axial velocity model was successfully tested using a group of healthy individuals (Control Group) and a group of post COVID-19 patients (COVID-19 Group).

PMID:37182862 | DOI:10.3233/CH-231780

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Prevalence of work-related musculoskeletal disorders among professional rickshaw drivers in Aligarh, Uttar Pradesh, India

Work. 2023 May 9. doi: 10.3233/WOR-220621. Online ahead of print.

ABSTRACT

BACKGROUND: Professional rickshaw driving is a seemingly sedentary occupation and involves many risk factors for work-related musculoskeletal disorders (WMSD).

OBJECTIVE: To assess the prevalence of work-related musculoskeletal disorders and its associated risk factors among professional rickshaw drivers.

METHODS: 263 rickshaw drivers were voluntarily recruited from Aligarh, Uttar Pradesh, India. MSD symptoms in the past 12 months and last 7 days were assessed using a self-modified musculoskeletal questionnaire (Nordic Questionnaire). Chi-square tests and binary logistic regression were performed to analyze associations of MSD symptoms between study variables.

RESULTS: 155 (58.9%) study participants reported MSD symptoms in past 12 months, in lower back (n = 126, 81.3%), leg (n = 122, 78.7%), neck (n = 106, 68.4%) and knee (n = 105, 67.7%); and 121 (46.1%) in last 7 days, in leg (n = 107, 88.4%), lower back (n = 102, 84.3%), neck (n = 89, 73.6%), upper back and knees (n = 87, 71.9%). Binary logistic regression showed relationship between working hours, seat and road condition, average load per ride, rickshaw ride duration, and standing driving with MSD symptoms among rickshaw drivers, especially in the lower back, leg/calf muscles, neck and knees.

CONCLUSION: The results showed a high prevalence of MSD among all rickshaw drivers, with the neck, lower back, leg/calf muscles and knees being the most affected body parts. In order to avoid adverse effects on the occupational health of rickshaw drivers, ergonomic intervention training is necessary.

PMID:37182856 | DOI:10.3233/WOR-220621

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Workplace mobbing, group cohesion and intraindividual variables in nurses from a rural hospital in Northern Greece: A correlation study

Work. 2023 May 6. doi: 10.3233/WOR-220607. Online ahead of print.

ABSTRACT

BACKGROUND: High levels of mobbing are reported in Greek nurses, but the intraindividual and perceived group emotional correlates are little investigated.

OBJECTIVE: To determine the relationship between workplace mobbing (specifically in the nursing sector of a public rural hospital in Greece) and emotional correlates.

METHODS: Questionnaires measuring emotional aspects such as Negative Act Questionnaire – Revised (NAQ-R) for measuring perceived exposure to bullying and victimization at work, Maslach Burnout Inventory (MBI), Overall Job Satisfaction Scale (OJS), Job Affect Scale (JAS: positive and negative subscales), Perceived Cohesion Scale (PCS), Ethical Climate Questionnaire (ECQ), and Short General Health Questionnaire (GHQ-12) were administered. For the analysis of the data, descriptive and parametric tests were performed through the Pearson correlations and regression for the relationship between variables.

RESULTS: High mobbing levels were reported (M = 45.93) compared to already established cutoff scores. Statistically significant positive correlations were found for NAQ-R and MBI (Exhaustion subscale) (r = .569, p < .001), NAQ-R and JAS-negative affect (r = .610, p < .001), NAQ-R and GHQ-12 (r = .280, p = .002), and NAQ-R andeducational level (r = .196, p = .033). Statistically significant negative correlations were found for NAQ-R and ECQ (r = -.323, p < .001), NAQ-R and JAS-positive affect (r = -.556, p < .001), and NAQ-R and PCS (r = -.586, p < .001). Only burnout,negative affect, and perceived group cohesion predicted mobbing measured by NAQ- R.

CONCLUSION: As mobbing and its consequences are related to specific emotional variables, these perceived individual and group indices, could be targeted in future prevention initiatives.

PMID:37182854 | DOI:10.3233/WOR-220607

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Does air pollution confound associations between environmental noise and cardiovascular outcomes? – A systematic review

Environ Res. 2023 May 12:116075. doi: 10.1016/j.envres.2023.116075. Online ahead of print.

ABSTRACT

BACKGROUND: Exposure to environmental noise is associated with adverse health effects, but there is potential for confounding and interaction with air pollution, particularly where both exposures arise from the same source, such as transport.

OBJECTIVES: To review evidence on confounding and interaction of air pollution in relation to associations between environmental noise and cardiovascular outcomes.

METHODS: – Papers were identified from similar reviews published in 2013 and 2015, from the systematic reviews supporting the WHO 2018 noise guidelines, and from a literature search covering the period 2016-2022 using Medline and PubMed databases. Additional papers were identified from colleagues. Study selection was according to PECOS inclusion criteria. Studies were evaluated against the WHO checklist for risk of bias.

RESULTS: – 52 publications, 36 published after 2015, were identified that assessed associations between transportation noise and cardiovascular outcomes, that also considered potential confounding (49 studies) or interaction (23 studies) by air pollution. Most, but not all studies, suggested that the associations between traffic noise and cardiovascular outcomes are independent of air pollution. NO2 or PM2.5 were the most commonly included air pollutants and we observed no clear differences across air pollutants in terms of the potential confounding role. Most papers did not appear to suggest an interaction between noise and air pollution. Eight studies found the largest noise effect estimates occurring within the higher noise and air pollution exposure categories, but were not often statistically significant.

CONCLUSION: Whilst air pollution does not appear to confound associations of noise and cardiovascular health, more studies on potential interactions are needed. Current methods to assess quality of evidence are not optimal when evaluating evidence on confounding or interaction.

PMID:37182833 | DOI:10.1016/j.envres.2023.116075

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Nevin Manimala Statistics

Intermediate-term Outcomes of Complement Inhibition for Prevention of Antibody-Mediated Rejection in Immunologically High-risk Heart Allograft Recipients

J Heart Lung Transplant. 2023 May 12:S1053-2498(23)01856-9. doi: 10.1016/j.healun.2023.05.005. Online ahead of print.

ABSTRACT

Allosensitization represents a major barrier to heart transplantation (HTx). We previously reported favorable 1-year outcomes of complement inhibition at transplant in highly sensitized recipients. We now report a longer follow-up. In this single-arm trial (NCT02013037), 20 patients with panel reactive antibodies ≥70% and pre-formed donor-specific antibodies received eculizumab during the first two months post-transplant. The primary endpoint was antibody-mediated rejection (AMR) ≥pAMR2 and/or left ventricular dysfunction. Median follow-up was 4.8 years. Beyond the first year post-transplant, there were no episodes of pAMR2 or greater and no LV dysfunction. There were three deaths, one episode of pAMR1, and one patient with minimal de novo cardiac allograft vasculopathy. Compared to a matched-control group, we observed a non-statistically significant benefit of eculizumab with a lower incidence of primary endpoint or death (primary endpoint: HR=0.50, 95%CI=0.15-1.67, p=0.26; mortality: HR=0.51, 95%CI=0.13-2.07, p=0.35). Our results support the utility of complement inhibition for high-immunological risk recipients. DATA AVAILABILITY STATEMENT: The data that support the findings of this study are available from the corresponding author upon reasonable request.

PMID:37182818 | DOI:10.1016/j.healun.2023.05.005

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International Experiences with Vaginal Lengthening Treatment Among Individuals with Müllerian Agenesis: A Mixed Methods Study

J Pediatr Adolesc Gynecol. 2023 May 12:S1083-3188(23)00336-4. doi: 10.1016/j.jpag.2023.05.004. Online ahead of print.

ABSTRACT

STUDY OBJECTIVE: To understand variations and experiences of vaginal lengthening internationally in individuals with congenital underdevelopment of the uterus, cervix, and upper vagina-or Müllerian agenesis.

METHODS: Cross-sectional mixed methods design incorporating quantitative and qualitative questionnaires. Adults with Müllerian agenesis completed questionnaires with quantitative and open-ended qualitative questions about their vaginal lengthening experiences. Data were analyzed using descriptive statistics and inductive thematic analysis.

RESULTS: Of 616 respondents meeting inclusion criteria (representing 40 countries), 46% (n=284) reported no vaginal lengthening intervention. Vaginal lengthening was commonly reported by participants from North America and Europe (59%), and less commonly by participants from Africa, Asia, and South America (16%). Of those who had undergone vaginal lengthening, 72% reported dilator use, 34% coital dilation, and 39% surgery. Four major themes were identified in response to the open-ended vaginal lengthening experience question: (1) Difficult Physical Symptoms, (2) Practical and Psychosocial Challenges, (3) Intimate Relationships and Sexual Satisfaction, and (4) Impact of Experiences with Healthcare Providers.

CONCLUSION: This study highlights vaginal lengthening practices internationally and shared themes related to significant challenges and positive experiences. Findings show room for improvement in the counseling and care surrounding vaginal lengthening. Future research should investigate factors that influence decision-making about vaginal lengthening and work toward international consensus on best care practices in Müllerian agenesis.

PMID:37182810 | DOI:10.1016/j.jpag.2023.05.004

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Clinical Effect Evaluation of Concentrated Growth Factor in Endodontic Microsurgery: A Cross-Sectional Study

J Endod. 2023 May 12:S0099-2399(23)00246-7. doi: 10.1016/j.joen.2023.05.005. Online ahead of print.

ABSTRACT

INTRODUCTION: Concentrated growth factor (CGF) is the third-generation platelet concentrate product. This study aimed to evaluate whether the use of CGF during endodontic microsurgery had a positive influence on surgical outcomes.

METHODS: Fifty-four patients who underwent endodontic microsurgery from January 2017 to November 2021 were enrolled. They were assigned to the CGF and the control group according to whether CGF was used during the surgery and followed up at 6, 12, and 18 months post-surgery. Preoperative classification of the cases and follow-up radiographic outcomes were based on Kim’s classification and Molven’s criteria respectively and evaluated by two calibrated endodontists. Student t-test and Chi-square test were used to assess the baseline of two groups. Rank sum test was used to determine whether CGF had an impact on the surgical outcome.

RESULTS: Thirty-one patients (41 periapical lesion sites) were included in the CGF group, and twenty-three patients (26 periapical lesion sites) were included in the control group. The overall success rate of endodontic microsurgery was above 90%. The baseline of the two groups had no difference (P<0.05). In the CGF group, the success rate was always 100% in three follow-ups, while the success rate was 84.2%, 92.8%, and 90% respectively in the control group. The success rate between the CGF group and the control group was statistically significant in all three follow-up points (P<0.05).

CONCLUSIONS: The application of CGF during endodontic microsurgery might have a positive influence on surgical outcomes, thus, its prognosis. However, higher-grade evidence is needed to demonstrate its role.

PMID:37182792 | DOI:10.1016/j.joen.2023.05.005