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Nevin Manimala Statistics

Preoperative Versus Perioperative Risk Factors for Delayed Pain and Opioid Cessation After Total Joint Arthroplasty: A Prospective Cohort Study

Pain Ther. 2023 Aug 9. doi: 10.1007/s40122-023-00543-9. Online ahead of print.

ABSTRACT

INTRODUCTION: The evolution of pre- versus postoperative risk factors remains unknown in the development of persistent postoperative pain and opioid use. We identified preoperative versus comprehensive perioperative models of delayed pain and opioid cessation after total joint arthroplasty including time-varying postoperative changes in emotional distress. We hypothesized that time-varying longitudinal measures of postoperative psychological distress, as well as pre- and postoperative use of opioids would be the most significant risk factors for both outcomes.

METHODS: A prospective cohort of 188 patients undergoing total hip or knee arthroplasty at Stanford Hospital completed baseline pain, opioid use, and emotional distress assessments. After surgery, a modified Brief Pain Inventory was assessed daily for 3 months, weekly thereafter up to 6 months, and monthly thereafter up to 1 year. Emotional distress and pain catastrophizing were assessed weekly to 6 months, then monthly thereafter. Stepwise multivariate time-varying Cox regression modeled preoperative variables alone, followed by all perioperative variables (before and after surgery) with time to postoperative opioid and pain cessation.

RESULTS: The median time to opioid and pain cessation was 54 and 152 days, respectively. Preoperative total daily oral morphine equivalent use (hazard ratio-HR 0.97; 95% confidence interval-CI 0.96-0.98) was significantly associated with delayed postoperative opioid cessation in the perioperative model. In contrast, time-varying postoperative factors: elevated PROMIS (Patient-Reported Outcomes Measurement Information System) depression scores (HR 0.92; 95% CI 0.87-0.98), and higher Pain Catastrophizing Scale scores (HR 0.85; 95% CI 0.75-0.97) were independently associated with delayed postoperative pain resolution in the perioperative model.

CONCLUSIONS: These findings highlight preoperative opioid use as a key determinant of delayed postoperative opioid cessation, while postoperative elevations in depressive symptoms and pain catastrophizing are associated with persistent pain after total joint arthroplasty providing the rationale for continued risk stratification before and after surgery to identify patients at highest risk for these distinct outcomes. Interventions targeting these perioperative risk factors may prevent prolonged postoperative pain and opioid use.

PMID:37556071 | DOI:10.1007/s40122-023-00543-9

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Nevin Manimala Statistics

Exploring the relationships between attitudes toward emission trading schemes, artificial intelligence, climate entrepreneurship, and sustainable performance

Environ Sci Pollut Res Int. 2023 Aug 9. doi: 10.1007/s11356-023-29051-1. Online ahead of print.

ABSTRACT

The research objective of this research paper is to examine the relationships between organizational commitment to emission trading schemes, artificial intelligence, and climate entrepreneurship, as well as their impact on sustainable performance, i.e., environmental and organizational performance in organizations. This study aims to identify the key drivers and barriers to the adoption of these factors and to understand how they influence environmental and organizational performance. The study utilizes a cause-and-effect design on the sampled size of 387 subjects and employs the Smart PLS version 4.0 statistical tool to estimate the interactions between all constructs in the structural equation modeling. The research questions aim to explore the key drivers and barriers to the adoption of these factors in organization and their impact on sustainable performance, i.e., environmental and organizational performance. The study hypothesizes that organizational commitment to emission trading schemes, AI, and climate entrepreneurship has a positive impact on sustainable performances such as environmental and organizational performance. The findings suggest that attitudes toward AI and emission trading schemes have a direct impact on climate entrepreneurship, environmental performance, and organizational performance. By considering these factors together, the study seeks to uncover the synergistic effects and potential interactions between them and sheds light on their combined influence on environmental and organizational performance. Organizations can enhance environmental and organizational performance by prioritizing their attitudes toward emission trading schemes, AI, and climate entrepreneurship through resource allocation, technology investment, and fostering a climate entrepreneurship mindset. The research concludes that businesses that demonstrate high organizational commitment, positive attitude toward the ETS, and a focus on climate entrepreneurship experiences improved environmental and organizational performance.

PMID:37556056 | DOI:10.1007/s11356-023-29051-1

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Nevin Manimala Statistics

Parenthood in people with kidney failure: evolution and evaluation of completeness of ANZDATA registry parenthood data

J Nephrol. 2023 Aug 9. doi: 10.1007/s40620-023-01696-8. Online ahead of print.

ABSTRACT

BACKGROUND: Parenthood data has been collected by the Australia and New Zealand Dialysis and Transplant Registry (ANZDATA) since its inception in 1968, with a specific parenthood survey since 2001 of core maternal and fetal outcomes, which was further expanded in 2017 to collect additional obstetric and clinical data. We evaluated the parenthood dataset completeness over the evolution of the surveys.

METHODS: Descriptive statistics were used to quantify the completeness of data reported for male and female patients receiving KRT between 1963 and 2021 and compare parenthood surveys over time.

RESULTS: Core data items consistently had more than 85% completeness rates for all survey iterations. Most data items introduced in 2018 had less than 85% completeness. Of these, drug therapy during pregnancy, common medical complications, and labour and delivery data items had the highest completeness (70-85%), whereas dialysis-related items had a wide range of completeness, ranging from 44 to 80%.

CONCLUSION: Our findings underpin the robustness of the ANZDATA parenthood dataset but also highlight that more detailed clinical data can be difficult to capture, despite enabling better understanding of drivers of outcomes and risk stratification in this high-risk cohort. To overcome current limitations, strategies must be implemented to augment data completeness.

PMID:37556051 | DOI:10.1007/s40620-023-01696-8

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Nevin Manimala Statistics

Ascending Aorta 4D Time to Peak Distention Sexual Dimorphism and Association with Coronary Plaque Burden Severity in Women

J Cardiovasc Transl Res. 2023 Aug 9. doi: 10.1007/s12265-023-10422-5. Online ahead of print.

ABSTRACT

Coronary artery disease (CAD) risk and plaque scores are often subjective and biased, particularly in mid-age asymptomatic women, whose CAD risk assessment has been historically underestimated. In this study, a new automatic ascending aorta time-to-peak-distention (TPD) analysis was developed for fast screening and as an independent surrogate for subclinical atherosclerosis in asymptomatic women. CCTA was obtained in 50 asymptomatic adults. Plaque burden segment involvement score (SIS) and automatic TPD were obtained from all subjects. Logistic regression analyses were performed to investigate the association between CAD risk scores and TPD with severe coronary plaque burden (SIS>5). TPD, individually, was found to be a significant predictor of SIS>5. Additionally, sex was a significant effect modifier of TPD, with a stronger statistically significant association with women. Four-dimensional aortic time-to-peak distention could supplement conventional CCTA analysis and offer a quick objective screening tool for plaque burden severity and CAD risk stratification, especially in women.

PMID:37556037 | DOI:10.1007/s12265-023-10422-5

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Nevin Manimala Statistics

Breast Cancer Knowledge and Mammography Use Among Asian American Women Aged 40 and Older: Using the Transtheoretical Model Approach

J Immigr Minor Health. 2023 Aug 9. doi: 10.1007/s10903-023-01529-7. Online ahead of print.

ABSTRACT

Mammography screening rates remain low among Asian American women (AAW). The aims of our study were to: (a) assess breast cancer knowledge and mammography screening behaviors, and (b) identify the factors related to the transtheoretical model (TTM) stages of change in relation to mammography utilization among AAW aged 40 and older. Using a cross-sectional design, a convenience sample of 714 AAW completed a structured questionnaire in 2021. Participants demonstrated a moderate level of knowledge regarding breast cancer and mammography. Only 34.2% of the participants reported obtaining regular mammograms. The ordinal logistic regression indicated that age, birthplace, health perception, breast biopsy history, breast cancer knowledge, self-efficacy, and perceived barriers were correlated with TTM stages of change. Our results highlight the need for implementing effective interventions aimed at increasing knowledge and screening rates for breast cancer among AAW. Additional TTM studies with AAW are needed to determine the relationships among TTM constructs and develop theory-based programs to improve adherence to screening guidelines. Future research using a mixed-method design may provide opportunities to explore complex phenomena associated with breast cancer screening behaviors. Finally, further assessments of the Breast Cancer Knowledge Scale’s psychometric properties are necessary to improve this instrument.

PMID:37556031 | DOI:10.1007/s10903-023-01529-7

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Nevin Manimala Statistics

Influence of gender and sexual hormones on outcomes after pituitary surgery: a systematic review and meta-analysis

Acta Neurochir (Wien). 2023 Aug 9. doi: 10.1007/s00701-023-05726-z. Online ahead of print.

ABSTRACT

BACKGROUND: Although there is an increasing body of evidence showing gender differences in various medical domains as well as presentation and biology of pituitary adenoma (PA), gender differences regarding outcome of patients who underwent transsphenoidal resection of PA are poorly understood. The aim of this study was to identify gender differences in PA surgery.

METHODS: The PubMed/MEDLINE database was searched up to April 2023 to identify eligible articles. Quality appraisal and extraction were performed in duplicate.

RESULTS: A total of 40 studies including 4989 patients were included in this systematic review and meta-analysis. Our analysis showed odds ratio of postoperative biochemical remission in males vs. females of 0.83 (95% CI 0.59-1.15, P = 0.26), odds ratio of gross total resection in male vs. female patients of 0.68 (95% CI 0.34-1.39, P = 0.30), odds ratio of postoperative diabetes insipidus in male vs. female patients of 0.40 (95% CI 0.26-0.64, P < 0.0001), and a mean difference of preoperative level of prolactin in male vs. female patients of 11.62 (95% CI – 119.04-142.27, P = 0.86).

CONCLUSIONS: There was a significantly higher rate of postoperative DI in female patients after endoscopic or microscopic transsphenoidal PA surgery, and although there was some data in isolated studies suggesting influence of gender on postoperative biochemical remission, rate of GTR, and preoperative prolactin levels, these findings could not be confirmed in this meta-analysis and demonstrated no statistically significant effect. Further research is needed and future studies concerning PA surgery should report their data by gender or sexual hormones and ideally further assess their impact on PA surgery.

PMID:37555999 | DOI:10.1007/s00701-023-05726-z

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Evaluation of the predictive effects of trauma scoring systems in colorectal injuries

Eur J Trauma Emerg Surg. 2023 Aug 9. doi: 10.1007/s00068-023-02328-3. Online ahead of print.

ABSTRACT

INTRODUCTION: Colorectal injuries following traumas are significant causes of morbidity and mortality. This study aimed to evaluate the predictive effect of trauma scoring systems on mortality and morbidity in patients with post-traumatic colon injury.

METHODS: The records of 145 patients with colon trauma treated at Seyhan State Hospital between January 1, 2010, and January 1, 2020, were retrospectively analyzed. Injury Seriousness Score (ISS), Revised Trauma Score (RTS), Trauma Injury Severity Score (TRISS), and Colon Injury Score (CIS) scores were calculated for all patients. The predictive effects of scoring systems on primary outcomes of surgical treatment, complication rates, mortality, and anastomotic leaks were evaluated.

RESULTS: The mean age of the patients was 36.1 (SD ± 16.6), and the female/male ratio was 37/108. Anastomotic leakage occurred in 12 (8.2%) patients, and complications were observed in 57 (39.3%) patients. Seven (4.7%) patients died. A statistically significant relationship was observed between the increase in CIS and anastomotic leakage, morbidity, and mortality. Increases in ISS and decreases in RTS and TRISS were associated with increased morbidity and mortality, but these relationships were not statistically significant.

CONCLUSION: A significant relationship was observed between the increase in CIS and anastomotic leakage, morbidity, and mortality. The study suggests the need for a specific scoring system for evaluating the prognostic status in colon traumas, as ISS, RTS, and TRISS scores were not found to be significantly predictive of outcomes in this patient population.

PMID:37555993 | DOI:10.1007/s00068-023-02328-3

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The impact of central line bundles on the timing of catheter-associated bloodstream infections and their microbiological distribution in critically ill children

Eur J Pediatr. 2023 Aug 9. doi: 10.1007/s00431-023-05141-7. Online ahead of print.

ABSTRACT

Catheter-associated bloodstream infection, also known as CLABSI, is the most serious consequence of central venous access devices. These infections increase the risk of mortality and morbidity. The use of central line bundles in clinical settings is increasing worldwide with the purpose of lowering the risk of catheter-associated bloodstream infections. In this study, we investigated the effect of implementing a central line bundle for the prevention of CLABSIs, the distribution of pathogens, and the duration of time it took for CLABSIs to develop in patients who had subclavian-inserted central venous catheters. This research project was a cross-sectional study investigation carried out in a pediatric tertiary teaching hospital. Participants consisted of children who had been admitted to the pediatric critical care unit with subclavian catheters during a period of 13 years. We compared the prebundle period with the bundle period for CLABSI specifically focusing on the time to infection, the number of polymicrobial infections, the proportion of Candida parapsilosis, and the percentage of Coagulase-negative staphylococci (CoNS). The “prebundle period” included the period from May 2007 to May 2013, and the “bundle period” included the period from June 2013 to June 2020. Throughout the course of the study, a total of 286 cases of CLABSI were documented. Among these patients, 141 (49.3%) had CLABSIs associated with subclavian catheters. During the prebundle period, 55 CLABSIs were diagnosed in 5235 central line days, with an overall rate of 10.5 CLABSIs per 1000 central line days; after the implementation of central line bundle, 86 CLABSIs were diagnosed in 12,450 CL days, with an overall rate of 3.6 CLABSIs per 1000 CL days. This showed a statistically significantly lower rate in the bundle period (p = 0.0126). In the prebundle period, the mean time to develop CLABSI was 15 days, whereas during the bundle period, the mean time to develop CLABSI was 27.9 days, a significantly longer time to onset (p = 0.001). While the percentage of other microorganisms was not statistically different between the prebundle and bundle periods (p > 0.05), the percentage of C. parapsilosis was significantly higher in the prebundle period (p = 0.001). Conclusion: The results of this study imply that the use of central line bundles not only reduces the incidence of CLABSI but also delays the time to which CLABSI patients acquire an infection. In addition, as a direct consequence of the CLB, the number of CLABSIs caused by gram-positive cocci did not increase, while the proportion of CLABSIs caused by C. parapsilosis decreased. What is Known: • The most significant negative consequence of central venous access devices is catheter-associated bloodstream infections. • “Care bundles” for CLABSI prevention have been reported to reduce the CLABSI rate. What is New: • Consider what would happen if the “Care bundle” failed to prevent CLABSI. • The findings of this study imply that using central line bundles not only reduces the risk of CLABSI but also extends the time it takes for patients to develop CLABSI. While the number of CLABSIs caused by gram-positive cocci did not increase as a direct result of CLB, the rate of CLABSIs caused by C. parapsilosis, which has recently become a major problem, has decreased.

PMID:37555974 | DOI:10.1007/s00431-023-05141-7

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Breast MRI in patients with implantable loop recorder: initial experience

Eur Radiol. 2023 Aug 9. doi: 10.1007/s00330-023-10025-3. Online ahead of print.

ABSTRACT

OBJECTIVES: To investigate the feasibility of breast MRI exams and guided biopsies in patients with an implantable loop recorder (ILR) as well as the impact ILRs may have on image interpretation.

MATERIALS AND METHODS: This retrospective study examined breast MRIs of patients with ILR, from April 2008 to September 2022. Radiological reports and electronic medical records were reviewed for demographic characteristics, safety concerns, and imaging findings. MR images were analyzed and compared statistically for artifact quantification on the various pulse sequences.

RESULTS: Overall, 40/82,778 (0.049%) MRIs during the study period included ILR. All MRIs were completed without early termination. No patient-related or device-related adverse events occurred. ILRs were most commonly located in the left lower-inner quadrant (64.6%). The main artifact was a signal intensity (SI) void in a dipole formation in the ILR bed with or without areas of peripheral high SI. Artifacts appeared greatest in the cranio-caudal axis (p < 0.001), followed by the anterior-posterior axis (p < 0.001), and then the right-left axis. High peripheral rim-like SI artifacts appeared on the post-contrast and subtracted T1-weighted images, mimicking suspicious enhancement. Artifacts were most prominent on diffusion-weighted (p < 0.001), followed by T2-weighted and T1-weighted images. In eight patients, suspicious findings were found on MRI, resulting in four additional malignant lesions. Of six patients with left breast cancer, the tumor was completely visible in five cases and partially obscured in one.

CONCLUSION: Breast MRI is feasible and safe among patients with ILR and may provide a significant diagnostic value, albeit with localized, characteristic artifacts.

CLINICAL RELEVANCE STATEMENT: Indicated breast MRI exams and guided biopsies can be safely performed in patients with implantable loop recorder. Nevertheless, radiologists should be aware of associated limitations including limited assessment of the inner left breast and pseudo-enhancement artifacts.

KEY POINTS: • Breast MRI in patients with an implantable loop recorder is an infrequent, feasible, and safe procedure. • Despite limited breast visualization of the implantable loop recorder bed and characteristic artifacts, MRI depicted additional lesions in 8/40 (20%) of cases, half of which were malignant. • Breast MRI in patients with an implantable loop recorder should be performed when indicated, taking into consideration typical associated artifacts.

PMID:37555957 | DOI:10.1007/s00330-023-10025-3

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Nevin Manimala Statistics

Genetic polymorphisms of microsomal epoxide hydrolase and UDP-glucuronosyltransferase (UGT) and its effects on plasma carbamazepine levels and metabolic ratio in persons with epilepsy of South India: A cross-sectional genetic association study

Indian J Pharmacol. 2023 May-Jun;55(3):149-154. doi: 10.4103/ijp.ijp_228_22.

ABSTRACT

OBJECTIVES: Carbamazepine (CBZ), an anti-seizure drug, is widely prescribed for the management of focal seizures. At a given therapeutic dose, CBZ exhibits marked interindividual variation in the plasma CBZ levels. The aim wasto study the influence of EPHX1 c.337 T>C and UGT2B7*2 genetic polymorphisms on plasma carbamazepine (CBZ) levels in persons with epilepsy (PWE) from South India.

METHODS: 115 PWE belong to South India origin who are on carbamazepine monotherapy were recruited. Genotyping of the two variants weredone using RT-PCR method. PWE who had seizure freedom for one year and their last dose which was not changed for one year duration were included and their plasma levels of CBZ and its active metabolite CBZ 10,11 epoxide were analysed by reverse phase HPLC.

RESULTS: In EPHX1 c. 337 (T>C) polymorphism, the PWE carrying CC had lower plasma CBZ levels when compared to CT genotype (2.45 μg/ml vs 3.15 μg/ml. In UGT2B7*2, PWE carrying homozygous mutant TT had higher levels when compared with CT (3.09 μg/ml vs 2.74 μg/ml) genotype but found no statistical significance. Mutant genotype of EPHX1 (CC) had higher metabolic ratio compared to TT genotype (1.33 vs 1.17) but not found to be statistically significant. Mutant genotype of UGT2B7*2 (TT) was found to be having lower metabolic ratio when compared with CC genotype (1.18 vs 1.35; p value =0.08).

CONCLUSION: PWE carrying EPHX1 c.337 T>C (rs1051740) and UGT2B7*2 (rs7439366) genetic polymorphisms did not affect the plasma CBZ levels and metabolic ratio of PWE of South Indian origin. However, this finding should be confirmed in a larger sample size which may help in optimization and personalized CBZ therapy in South Indians.

PMID:37555408 | DOI:10.4103/ijp.ijp_228_22