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Nevin Manimala Statistics

Impact of the COVID-19 pandemic on temporal patterns of mental health and substance abuse related mortality in Michigan: An interrupted time series analysis

Lancet Reg Health Am. 2022 Jun;10:100218. doi: 10.1016/j.lana.2022.100218. Epub 2022 Mar 6.

ABSTRACT

BACKGROUND: The emergence of SARS-CoV2 (COVID-19) had wide impacts to health and mortality and prompted unprecedented containment efforts. The full impact of the COVID-19 pandemic and resulting responses on mental health and substance abuse related mortality are unknown.

METHODS: We obtained records for deaths from suicide, alcohol related liver failure, and overdose from the Michigan Department of Health and Human Services (MDHHS) for 2006 to 2020. We compared mortality within sex, age, marital, racial and urban/rural groups using basic statistical methods. We compared standardized mean daily mortality incidence before and after the onset of the pandemic using t-tests. We used an interrupted time series approach, using generalized additive Poisson regression models with smoothed components for time to assess differences in mortality trends before and after the onset of the pandemic within demographic groups.

FINDINGS: There were 19,365 suicides, 8,790 deaths from alcohol related liver failure, and 21,778 fatal drug overdoses. Compared with 2019, suicides in 2020 declined by 17.6%, overdose mortality declined by 22.5%-while alcohol deaths increased by 12.4%. Crude comparisons suggested that there were significant declines in suicides for white people, people 18 to 65 and increases for rural decedents, overdoses increased for Black people, females and married/widowed people, and alcohol mortality increased for nearly all groups. ITS models, however, suggested increased suicide mortality for rural residents, significantly increased alcohol related mortality for people ≥65 and increased overdose mortality in men.

INTERPRETATION: The onset of the pandemic was associated with mixed patterns of mortality between suicide, alcohol and overdose deaths. Patterns varied within demographic groups, suggesting that impacts varied among different groups, particularly racial and marital groups.

FUNDING: This work was supported by the United States National Institute of Environmental Health Sciences [K99/R00ES026198] and their Michigan Center on Lifestage Environmental Exposures and Disease [grant number P30ES017885]; and the Institute for Global Biological Change at the University of Michigan.

PMID:35284903 | PMC:PMC8898171 | DOI:10.1016/j.lana.2022.100218

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Nevin Manimala Statistics

Balancing Gender Bias in Job Advertisements With Text-Level Bias Mitigation

Front Big Data. 2022 Feb 18;5:805713. doi: 10.3389/fdata.2022.805713. eCollection 2022.

ABSTRACT

Despite progress toward gender equality in the labor market over the past few decades, gender segregation in labor force composition and labor market outcomes persists. Evidence has shown that job advertisements may express gender preferences, which may selectively attract potential job candidates to apply for a given post and thus reinforce gendered labor force composition and outcomes. Removing gender-explicit words from job advertisements does not fully solve the problem as certain implicit traits are more closely associated with men, such as ambitiousness, while others are more closely associated with women, such as considerateness. However, it is not always possible to find neutral alternatives for these traits, making it hard to search for candidates with desired characteristics without entailing gender discrimination. Existing algorithms mainly focus on the detection of the presence of gender biases in job advertisements without providing a solution to how the text should be (re)worded. To address this problem, we propose an algorithm that evaluates gender bias in the input text and provides guidance on how the text should be debiased by offering alternative wording that is closely related to the original input. Our proposed method promises broad application in the human resources process, ranging from the development of job advertisements to algorithm-assisted screening of job applications.

PMID:35284822 | PMC:PMC8905631 | DOI:10.3389/fdata.2022.805713

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Nevin Manimala Statistics

Evaluation of Dexmedetomidine as an Adjuvant to Ropivacaine in Transversus Abdominis Plane Block for Postoperative Analgesia in Unilateral Infraumbilical Surgeries-A Randomized Prospective Trial

Asian J Anesthesiol. 2022 Mar 1. doi: 10.6859/aja.202202/PP.0002. Online ahead of print.

ABSTRACT

BACKGROUND: Transversus abdominis plane (TAP) block has been demonstrated to be an effective module of multimodal analgesic treatments for infra-umbilical surgeries with limited duration of action. Various adjuvants have been studied to increase the efficacy of this technique. Herein, we evaluated the analgesic efficacy of dexmedetomidine with ropivacaine in TAP block for unilateral infra-umbilical surgeries under spinal anesthesia.

METHODS: The study was conducted on 60 adult patients with the age of 18-65 years, who were planned for unilateral infra-umbilical surgeries under spinal anesthesia. These patients are randomly divided into 2 groups (30 each). In group A, 20 mL of 0.25% ropivacaine with 1 mL of normal saline, and in group B, 20 mL of 0.25% ropivacaine with 0.5 μg/kg (1 mL) dexmedetomidine was given in ultrasound-guided TAP block. Duration, quality of analgesia, and total analgesic consumption were noted. Statistical analysis was performed with SPSS software version 21.0 (IBM Corp., Armonk, NY, USA) by using Student’s t-test and chi-square test.

RESULTS: The mean duration of analgesia was significantly longer in group B than group A (842.50 ± 38.74 min and 435.17 ± 25.75 min, respectively). Verbal numerical rating scale was persistently low in both groups, except at the 7th hour and 20th hour in group A and the 12th hour in group B. Total analgesic consumption and number of analgesics doses during 24 hours after surgery were also lower in group B.

CONCLUSIONS: The addition of dexmedetomidine as adjuvant to 0.25% ropivacaine for TAP block significantly increases the duration and quality of analgesia without any significant adverse effects.

PMID:35279970 | DOI:10.6859/aja.202202/PP.0002

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Nevin Manimala Statistics

The Comparison Between Supreme Laryngeal Mask Airway and Endotracheal Tube With Respect to Adequacy of Ventilation in Patients Undergoing Laparoscopic Cholecystectomy Under General Anesthesia-A Prospective, Randomized, Double-Blind Study, and Comparative Study

Asian J Anesthesiol. 2022 Mar 1. doi: 10.6859/aja.202202/PP.0001. Online ahead of print.

ABSTRACT

BACKGROUND: Laparoscopic cholecystectomy is a commonly performed surgical procedure. Most anesthesiologists advocate tracheal intubation. Laparoscopic cholecystectomy is becoming a day care surgery, hence many anaesthesiologists have started using laryngeal masks to decrease airway manipulation seen with conventional laryngoscopy and endotracheal intubation and avoid hemodynamic pressor responses and postoperative sore throat. The Supreme laryngeal mask airway (LMA) is an innovative, sterile, single use, supraglottic airway management device which provides access to and functional separation of the respiratory and digestive tracts. In this study, there are two objectives-(1) primary objective: to assess the adequacy of ventilation when using LMA-Supreme^(TM) (LMA-S) and endotracheal tube (ETT), and (2) secondary objective: the first is to give the time for achieving effective airway and number of attempts for securing airway. The second is to assess haemodynamic parameters (heart rate and blood pressure). The last is to show the incidence of gastric distension, regurgitation and postoperative sore throat.

METHODS: A total of 132 American Society of Anesthesiologists (ASA) I-II patients were randomly assigned to LMA-S and ETT for intraoperative ventilation. After induction of general anaesthesia, the device was inserted, correct placement was checked, and parameters were recorded. SPSS version 20.0 software (IBM Corp., Armonk, NY, USA) was used for statistical analysis. A P-value less than 0.05 is statistically significant.

RESULTS: Ventilatory parameters such as inspiratory and expiratory leak volumes, and peak airway pressure values were comparable between the groups throughout the entire time interval. The number of attempts for successful insertion were comparable, but the mean time required for achieving effective airway was significantly longer in ETT than LMA-S (25.2 ± 8.3 sec vs. 18.6 ± 5.1 sec, respectively [P < 0.05]). There was no situation in which the patient from the LMA-S group had to be intubated. The haemodynamic responses to insertion, pneumoperitoneum inflation and deflation, and removal of the device were greater for the ETT than the LMA-S. There were no complications like gastric distension or regurgitation in either groups. The postoperative sore throat at 2 hours and 24 hours was significantly lower in group LMA-S than group ETT.

CONCLUSIONS: Positive pressure ventilation with a correctly placed LMA-S allows adequate pulmonary ventilation, without the untoward hemodynamic and postoperative adverse effects of endotracheal intubation, in laparoscopic cholecystectomy surgery.

PMID:35279972 | DOI:10.6859/aja.202202/PP.0001

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Nevin Manimala Statistics

Intestinal ultrasonography and fecal calprotectin for monitoring inflammation of ileal Crohn’s disease: two complementary tests

Intest Res. 2022 Mar 15. doi: 10.5217/ir.2021.00126. Online ahead of print.

ABSTRACT

BACKGROUND/AIMS: Tight control of inflammation and adjustment of treatment if activity persists is the current strategy for the management of Crohn’s disease (CD). The usefulness of fecal calprotectin (FC) in isolated involvement of the small intestine in CD is controversial. To assess the usefulness of FC to determine the inflammatory activity detected by intestinal ultrasonography (IUS) in ileal CD.

METHODS: Patients with exclusively ileal involvement CD who underwent IUS and an FC were prospectively included. Simple ultrasound index was used to determine inflammatory activity. The usual statistical tests for comparison of diagnostic techniques were used.

RESULTS: One hundred and five patients were included, IUS showed inflammatory activity in 59% of patients and complications in 18.1%. FC showed a significant correlation with IUS in the weak range (Spearman coefficient r=0.502; P<0.001); the area under the receiver operating characteristic curve was 0.79 (95% confidence interval, 0.70-0.88; P<0.001). The FC value that best reflected the activity in IUS was 100 μg/g with sensitivity, specificity, and positive and negative predictive values of 73.0%, 71.4%, 79.3% and 63.8%, respectively. There were no differences in FC concentration between patients with or without transmural complications. The addition of serum C-reactive protein to FC did not improve the ability to assess IUS activity.

CONCLUSIONS: FC has a significant correlation with IUS to monitor ileal CD activity. This correlation is weak and it does not allow assessing the presence of CD complications. Both tests should be used in conjunction for tight control of ileal CD. More studies on noninvasive tests in this location are needed.

PMID:35279969 | DOI:10.5217/ir.2021.00126

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Nevin Manimala Statistics

Health Status Improvement with Ferric Carboxymaltose in Heart Failure with Reduced Ejection Fraction and Iron Deficiency

Eur J Heart Fail. 2022 Mar 13. doi: 10.1002/ejhf.2478. Online ahead of print.

ABSTRACT

AIM: Intravenous ferric carboxymaltose (FCM) has been shown to improve overall quality of life in iron-deficient heart failure with reduced ejection fraction (HFrEF) patients at a trial population level. This FAIR-HF and CONFIRM-HF pooled analysis explored the likelihood of individual improvement or deterioration in Kansas City Cardiomyopathy Questionnaire (KCCQ) domains with FCM vs placebo and evaluated the stability of this response over time.

METHODS: Changes vs baseline in KCCQ overall summary score (OSS), clinical summary score (CSS) and total symptom score (TSS) were assessed at weeks 12 and 24 in FCM and placebo groups . Mean between-group differences were estimated and individual responder analyses and analyses of response stability were performed.

RESULTS: Overall, 760 (FCM: 454) patients were studied. At week 12, the mean improvement in KCCQ OSS was 10.6 points with FCM vs 4.8 points with placebo (least-square mean difference [95% confidence interval (CI)]: 4.36 [2.14;6.59] points). A higher proportion of patients on FCM vs placebo experienced a KCCQ OSS improvement of ≥5 (58.3% vs 43.5%; odds ratio [95% CI]: 1.81 [1.30;2.51]), ≥10 (42.4% vs 29.3%; 1.73 [1.23;2.43]) or ≥15 (32.1% vs 22.6%; 1.46 [1.02;2.11]) points. Differences were similar at week 24 and for CSS and TSS domains. Of FCM patients with a ≥5-, ≥10- or ≥15-point improvement in KCCQ OSS at week 12, >75% sustained this improvement at week 24.

CONCLUSION: Treatment of iron-deficient HFrEF patients with intravenous FCM conveyed clinically relevant improvements in health status at an individual-patient level; benefits were sustained over time in most patients. This article is protected by copyright. All rights reserved.

PMID:35279929 | DOI:10.1002/ejhf.2478

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Nevin Manimala Statistics

Unpleasant olfactory and gustatory stimuli increase pain unpleasantness in patients with chronic oral burning pain: an exploratory study

Eur J Pain. 2022 Mar 12. doi: 10.1002/ejp.1933. Online ahead of print.

ABSTRACT

BACKGROUND: Despite mounting evidence for the powerful influence of smell and taste substances in experimental pain, our knowledge of their effects in the clinical context is scarce, especially for patients with chronic oral burning pain. To fill this gap, we investigated the effect of olfactory and gustatory stimuli on pain perception in patients with chronic oral burning pain, a disabling condition that is difficult to manage and treat.

METHODS: Twenty-two patients with chronic oral burning pain underwent testing with a variety of olfactory and gustatory substances (pleasant, neutral, unpleasant) in multisensory interaction. The order of testing was randomized. Perception of pain intensity and unpleasantness was evaluated on a numerical rating scale at baseline and immediately after each test trial.

RESULTS: Pain unpleasantness but not pain intensity was found to be modulated by chemosensory stimuli. Unpleasant olfactory and gustatory stimuli increased the perception of pain unpleasantness compared to pleasant and neutral stimuli. Pain unpleasantness after unpleasant olfactory and gustatory stimuli correlated with psychological questionnaire subscale scores for distress (CORE-OM) and emotional awareness (TAS-20).

CONCLUSIONS: Our findings suggest a role of unpleasant chemosensory stimuli in increasing the perception of pain unpleasantness in patients with chronic oral burning. The lack of an effect on pain intensity indicates a dissociation between sensory and affective pain components. Future research is needed to further study the association between chemosensory stimuli and emotional and subjective aspects in modulating chronic oral burning pain.

PMID:35279917 | DOI:10.1002/ejp.1933

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Nevin Manimala Statistics

Mismatch epitope load predicts de novo-DSA-free survival in pediatric liver transplantation

Pediatr Transplant. 2022 Mar 13:e14251. doi: 10.1111/petr.14251. Online ahead of print.

ABSTRACT

BACKGROUND: Our knowledge of de novo anti-HLA donor-specific antibodies (dnDSA) in liver transplantation continues to be defined. We hypothesized that differences of HLA-DR/DQ mismatches can improve precision in alloimmune risk categorization and be applied to tailor immunosuppression.

METHODS: A retrospective chart review of 244 pediatric patients consecutively transplanted at our center between 2003 and 2019 was performed to identify patients tested for dnDSA. Records were queried for: demographics, pre-transplant diagnosis, biopsy-proven T-cell-mediated rejection (TCMR), radiology proven biliary complications, tacrolimus trough levels, dnDSA characteristics, and HLA typing. The eplet mismatch analyses were performed using HLAMatchmaker 3.1. All statistical analyses were conducted using R software version 3.40.

RESULTS: There were 99 dnDSA-negative patients and 73 dnDSA-positive patients (n = 70 against class II and n = 3 against class I and II). ROC analysis identified optimal cutoff of eplet mismatch load for dnDSA and defined risk groups for an alloimmune outcome. Kaplan-Meier curves and log-rank tests showed high eplet mismatch load was associated with shorter dnDSA-free survival (log-rank p = .001). Multivariable Cox regression models showed that tacrolimus coefficient of variation and tacrolimus mean levels were significantly associated with dnDSA-free survival (p < .001 and p = .036). Fisher’s exact test showed that dnDSA was associated with an increased likelihood of TCMR (OR 14.94; 95% CI 3.65 – 61.19; p < .001). Patients without TCMR were more likely to have dnDSA to HLA-DQ7 and less likely to have dnDSA to HLA-DQ2 (p = .03, p = .080).

CONCLUSIONS: Mismatched epitope load predicts dnDSA-free survival in pediatric liver transplant, while dnDSA specificity may determine alloimmune outcome.

PMID:35279919 | DOI:10.1111/petr.14251

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Nevin Manimala Statistics

Doppler ultrasonographic evaluation of medically treated female dogs with cystic endometrial hyperplasia-pyometra complex

Vet Radiol Ultrasound. 2022 Mar 13. doi: 10.1111/vru.13079. Online ahead of print.

ABSTRACT

Monitoring the treatment outcome of canine cystic endometrial hyperplasia-pyometra complex (CEH-P) is essential to identify nonresponding patients who might require a rapid intervention to avoid life-threatening conditions. Uterine artery Doppler characterization may contribute to monitoring medically treated CEH-P, but published studies are currently lacking. Therefore, the aim of this longitudinal prospective observational study was to evaluate uterine artery resistance changes in the medical treatment of female dogs with CEH-P. Twelve diestrous female dogs suffering from CEH-P were treated with a combined protocol of cabergoline, cloprostenol, and antibiotics. The animals were clinically and ultrasonographically evaluated before the beginning of treatment (day 0) and on days 3, 7, 14, 21, and 28. The widest transverse diameter and luminal diameter of uterine horns were measured, as well as the peak systolic velocity (PSV) and end diastolic velocity (EDV) of uterine arteries. The resistance index (RI), pulsatility index (PI), and notch deep index (NDI) were calculated. On day 3, nine of 12 animals showed clinical improvement. In all these female dogs, the widest transverse sectional diameter (P < 0.01), luminal diameter (P < 0.01), PSV (P < 0.01), and EDV (P < 0.01) progressively decreased, while RI (P < 0.01), PI (P < 0.01), and NDI (P < 0.01) increased up to day 21. In nonresponding dogs (3/12), Doppler parameters remained unchanged. Although comparisons of PSV, EDV, and NDI were significantly different, these results should be cautiously interpreted due to the low statistical power. female dogs that responded to this treatment showed an increase in uterine artery resistance, along with clinical and ultrasonographic improvement.

PMID:35279908 | DOI:10.1111/vru.13079

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Modest changes in sex hormones during early and middle adulthood affect bone mass and size in healthy men. A prospective cohort study

J Bone Miner Res. 2022 Mar 12. doi: 10.1002/jbmr.4543. Online ahead of print.

ABSTRACT

Bone metabolism in men is in part determined by sex steroid exposure. This is especially clear during puberty and senescence but it remains to be established whether declines in sex steroid levels during young and middle adulthood associate with changes in bone mass and size. This study investigated changes in bone mineral content (BMC), areal and volumetric bone density (aBMD; vBMD) and bone size in relation to sex steroid levels in 999 young adult men (age 24-46 years) of whom 676 were re-evaluated after a mean period of 12 years. Sex hormone binding globulin (SHBG) levels were measured using immuno-assay, testosterone (T) and estradiol (E2) using LC-MS/MS, free fractions calculated (cFT; cFE2). Areal bone parameters and BMC were measured at the hip and lumbar spine using DXA. Radial and tibial vBMD and bone size were determined using pQCT. Linear mixed models were used for statistical analyses. With aging, we observed decreases in almost all bone mass and density indices whereas changes in bone geometry resulted in larger bones with thinner cortices. These changes in bone mass and size appeared related to sex steroid levels. Specifically, decreases in cFT (but not total T) levels were associated with larger decreases in lumbar spine BMC and especially with geometric changes in cortical bone at the tibia. Similarly, decreases in total E2 and cFE2 were associated with larger decreases in bone mass (all sites) and also with some geometric changes. Also increases in SHBG were independently associated with aging-related changes in bone mass and size in these men. In summary, even small changes in T, E2 and SHBG levels during young and middle adulthood in healthy men are associated with changes in bone mass and size. This article is protected by copyright. All rights reserved.

PMID:35279881 | DOI:10.1002/jbmr.4543