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Nevin Manimala Statistics

Estimating the Impact of Hospital-Level Variation on the Use of Inpatient Rehabilitation Facilities Versus Skilled Nursing Facilities on Individual Patients With Stroke

Circ Cardiovasc Qual Outcomes. 2024 Jul 18:e010636. doi: 10.1161/CIRCOUTCOMES.123.010636. Online ahead of print.

ABSTRACT

BACKGROUND: There is substantial hospital-level variation in the use of Inpatient Rehabilitation Facilities (IRFs) versus Skilled Nursing Facilities (SNFs) among patients with stroke, which is poorly understood. Our objective was to quantify the net effect of the admitting hospital on the probability of receiving IRF or SNF care for individual patients with stroke.

METHODS: Using Medicare claims data (2011-2013), a cohort of patients with acute stroke discharged to an IRF or SNF was identified. We generated 2 multivariable logistic regression models. Model 1 predicted IRF admission (versus SNF) using only patient-level factors, whereas model 2 added a hospital random effect term to quantify the hospital effect. The statistical significance and direction of the random effect terms were used to categorize hospitals as being either IRF-favoring, SNF-favoring, or neutral with respect to their discharge patterns. The hospital’s impact on individual patient’s probability of IRF discharge was estimated by taking the change in individual predicted probabilities (change in individual predicted probability) between the 2 models. Hospital-level effects were categorized as small (<10%), moderate (10%-19%), or large (≥20%) depending on change in individual predicted probability.

RESULTS: The cohort included 135 415 patients (average age, 81.5 [SD=8.0] years, 61% female, 91% ischemic stroke) who were discharged from 1816 acute care hospitals to IRFs (n=66 548) or SNFs (n=68 867). Half of hospitals were classified as being either IRF-favoring (n=461, 25.4%) or SNF-favoring (n=485, 26.7%) with the remainder (n=870, 47.9%) considered neutral. Overall, just over half (n=73 428) of patients were treated at hospitals that had moderate or large independent effects on discharge settings. Hospital effects for neutral hospitals were small (ie, change in individual predicted probability <10%) for most patients (72.5%). However, hospital effects were moderate or large for 78.8% and 84.6% of patients treated at IRF- or SNF-favoring hospitals, respectively.

CONCLUSIONS: For most patients with stroke, the admitting hospital meaningfully changed the type of rehabilitation care that they received.

PMID:39022826 | DOI:10.1161/CIRCOUTCOMES.123.010636

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Nevin Manimala Statistics

Medical schools producing the most physical medicine and rehabilitation residents: An analysis of matriculating residents from 2017 to 2021

PM R. 2024 Jul 18. doi: 10.1002/pmrj.13216. Online ahead of print.

ABSTRACT

BACKGROUND: Residency choice is often influenced by experiences in medical school. It is unclear what potential factors contribute to medical schools producing higher numbers of physical medicine & rehabilitation (PM&R) residents.

OBJECTIVE: To identify the medical schools producing the most PM&R residents from 2017 to 2021 and potential influencing factors toward this production.

DESIGN: Descriptive, cross-sectional study.

SETTING: Accreditation Council for Graduate Medical Education accredited PM&R programs; allopathic/osteopathic/international medical schools.

INTERVENTIONS: REDCap Survey.

PARTICIPANTS: Representatives from medical schools producing the most PM&R residents.

METHODS: The medical schools that produced the most PM&R residents from 2017 to 2021 were identified using publicly available information on the internet. A subgroup of the highest producing schools were surveyed to determine potential factors that contributed to production of PM&R residents.

MAIN OUTCOME MEASURE: Medical schools with the highest number of matriculated PM&R residents from 2017 to 2021; potential factors influencing matriculating PM&R residents.

RESULTS: The medical school that produced the most PM&R residents from 2017 to 2021 was New York Institute of Technology College of Osteopathic Medicine. Nine of the 11 medical schools producing the most PM&R residents were osteopathic. Of osteopathic graduates applying to residency, 2.87% matriculated into PM&R residencies compared to 1.21% of allopathic graduates (p < .001), though a greater number of allopathic graduates overall were represented. Among survey respondents 93.3% (14/15) attributed exposure to PM&R faculty/residents and exposure to PM&R through medical school curriculum as perceived factors contributing to production of PM&R residents.

CONCLUSION: Osteopathic medical schools accounted for most of the schools producing the highest number of PM&R residents. A statistically significant higher percentage of osteopathic graduates were found to pursue PM&R as a career compared to allopathic counterparts although the total number of students entering PM&R was greater from allopathic schools. Potential factors contributing to medical students pursuing PM&R included faculty/resident involvement with medical students, and PM&R exposure through curriculum or interest groups.

PMID:39022821 | DOI:10.1002/pmrj.13216

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Nevin Manimala Statistics

Lenalidomide and dexamethasone for Rosai-Dorfman disease: a single arm, single center, prospective phase 2 study

EClinicalMedicine. 2024 Jun 21;73:102685. doi: 10.1016/j.eclinm.2024.102685. eCollection 2024 Jul.

ABSTRACT

BACKGROUND: Rosai-Dorfman disease (RDD) is a rare heterogeneous histiocytic disorder lacking standardized first-line treatment.

METHODS: This single-center, phase 2 prospective study enrolled 13 newly diagnosed and 10 recurrent RDD patients from June 2021 to March 2023 at Peking Union Medical College Hospital (Beijing, China). Lenalidomide 25 mg days 1-21 plus dexamethasone 40 mg days 1, 8, 15, 22 was administered in 28-day cycles, totaling 12 cycles. The primary endpoint was progression-free survival (PFS). Secondary endpoints were overall response rate (ORR) to lenalidomide and dexamethasone (RD) regimen, toxicity, and overall survival (OS) measured from RD start to death or last follow-up. OS and PFS were estimated according to Kaplan-Meier survival analysis and compared with the log-rank test. For OS and OR rate, 95% confidence limits were obtained using the Clopper-Pearson method, with standard methods used for PFS. p < 0.05 was considered statistically significant. The trial was registered with ClinicalTrials.gov (NCT04924647).

FINDINGS: The median age was 44 years (IQR 35-54). All patients had extranodal RDD. MAPK pathway alterations occurred in 6/18 (33%). Elevated IL-6 and TNF-α were found in 39% (n = 9) and 70% (n = 16), respectively. All patients received ≥6 cycles (median 12, range 6-12, IQR 10-12). The ORR was 87% (20/23, 95% CI 66%-97%), 30% (n = 7) complete remission, 57% (n = 13) partial remission). Treatment with RD significantly decreased median serum levels of both IL-6 (from 5.9 (IQR 4.2-8.7) to 2.9 (IQR 2.1-5.9) pg/mL, p = 0.031) and TNF-α (from 12.2 (IQR 8.6-17.9) to 8.3 (IQR 6.1-10.5) pg/mL, p = 0.0012). With a median 26 months follow-up (range 6-28, IQR 16-28), 4 patients relapsed and none died. Two-year OS and PFS were 100.0% (95% CI 85%-100%) and 69.0% (95% CI 51%-94%), respectively. No grade 3-4 adverse events or discontinuations due to adverse events occurred. Twelve patients (n = 12, 52%) had grade 1-2 hematological toxicity. Other toxicities included constipation (n = 2, 9%), glucose intolerance (n = 2, 9%), edema (n = 2, 9%), insomnia (n = 1, 4%), and tremor (n = 1, 4%).

INTERPRETATION: Lenalidomide and dexamethasone regimen is an effective and safe regimen for newly diagnosed and recurrent RDD.

FUNDING: National Natural Science Foundation of China, Beijing Natural Science Haidian frontier Foundation Funding, and the National High Level Hospital Clinical Research Funding.

PMID:39022796 | PMC:PMC11253284 | DOI:10.1016/j.eclinm.2024.102685

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Nevin Manimala Statistics

Analysis of immune cells and risk factors related to lower limb deep vein thrombosis in patients with cerebral infarction

Am J Clin Exp Immunol. 2024 Jun 25;13(3):133-139. doi: 10.62347/DRPN1199. eCollection 2024.

ABSTRACT

To explore the characteristics of hematologic indicators and related risk factors of lower extremity deep vein thrombosis (LDVT) in patients with cerebral infarction.

METHODS: This study retrospectively analyzed data from 174 patients with cerebral infarction admitted to The Rehabilitation Department of Shanghai Fifth Rehabilitation Hospital and Shanghai First People’s Hospital from June 2022 to June 2023. Based on the results of lower limb venous color Doppler ultrasound examinations, patients were divided into two groups: the LDVT group (35 cases) and the non-LDVT group (139 cases). We compared the clinical data and hematologic indicators (D-dimer value, fibrinogen, white blood cells, platelets, uric acid, creatinine, etc.) of the two groups to identify the risk factors of cerebral infarction complicated with LDVT.

RESULTS: Statistical analysis revealed that the D-dimer values of the LDVT group were significantly (P<0.05) higher than those of the non-LDVT group. The uric acid value of the LDVT group was significantly lower than that of the non-LDVT group, with statistical significance (P<0.05). The Brunnstrom staging in the LDVT group was significantly different from that in the non-LDVT group (P<0.05). Meanwhile, binary logistic regression analysis showed that LDVT complicated with cerebral infarction was associated with D-dimer level [OR=1.302, 95% CI (1.077, 1.575)], uric acid level [OR=0.995, 95% CI (0.990, 1.000)], and Brunnstrom staging [OR=3.005, 95% CI (1.312, 6.880)].

CONCLUSION: D-dimer value, uric acid value, and Brunnstrom stage I to II are closely related to the occurrence of LDVT in patients with cerebral infarction. High D-dimer value, low uric acid value, and Brunnstrom stage I to II are independent risk factors for LDVT in cerebral infarction. Early assessment of D-dimer value, uric acid value, and Brunnstrom stage of cerebral infarction should be considered in clinical practice.

PMID:39022794 | PMC:PMC11249860 | DOI:10.62347/DRPN1199

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Comparison of volatile compound profiles derived from various livestock protein alternatives including edible-insect, and plant-based proteins

Food Chem X. 2024 Jun 16;23:101570. doi: 10.1016/j.fochx.2024.101570. eCollection 2024 Oct 30.

ABSTRACT

In this study, the distinctive chemical fingerprints that contribute to the flavor characteristics of various protein materials, such as insects, plant-based protein, and livestock, were investigated. In edible-insects (Tenebrio molitor and Protaetia brevitarsis), aldehydes and cyclic volatile compounds were the predominant volatile components and had distinct flavor characteristics such as cheesy, sharp, green, floral, and sweet. In contrast, the relatively high levels of pyrazines and furans in plant-based protein materials, such as textured vegetable and pea protein. They included unique flavor properties characterized by sweet, fatty, grassy, creamy, and roasted. The primary volatile chemical group detected in livestock protein materials, such as a pork and a beef, was ketones. The pork sample showed specific flavors, such as alcoholic, green, and fruity, while a beef presented distinctive flavor, including creamy, fruity, and alcoholic. Based on the results, this research provided the understanding of the flavor aspects of diverse protein materials.

PMID:39022786 | PMC:PMC11252785 | DOI:10.1016/j.fochx.2024.101570

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Nevin Manimala Statistics

Prevalence and associated factors of maternal depression among mothers of children with undernutrition at comprehensive specialized hospitals in Northwest Ethiopia in 2023: a cross-sectional study

Front Psychiatry. 2024 Jul 3;15:1400293. doi: 10.3389/fpsyt.2024.1400293. eCollection 2024.

ABSTRACT

BACKGROUND: Malnutrition is one of the most significant child health problems in developing countries, accounting for an estimated 53% of child deaths per year. Depression is the leading cause of disease-related disability in women and adversely affects the health and well-being of mothers and their children. Studies have shown that maternal depression has an impact on infant growth and nutritional status. However, evidence is scarce regarding the relationship between maternal depression and child malnutrition.

OBJECTIVES: The general objective of this study was to assess the prevalence and associated factors of maternal depression among mothers of undernourished children at comprehensive specialized hospitals in Northwest Ethiopia in 2023.

METHODS: An institution-based cross-sectional study was conducted among 465 participants. Outcome variables were assessed using a Patient Health Questionnaire-9 (PHQ-9). Data were analyzed using SPSS-25. Bivariate and multivariable logistic regression analyses were conducted. Variables with a p-value less than 0.05 were considered statistically significant with a corresponding 95% confidence interval (CI).

RESULTS: The prevalence of maternal depression among mothers of children with undernutrition was 36.4% (95% CI = 32%-41%). According to a multivariate analysis, lack of maternal education (adjusted odds ratio [AOR] = 2.872, 95% CI = 1.502-5.492), unemployment (AOR = 2.581, 95% CI = 1.497-4.451), poor social support (AOR = 2.209, 95% CI = 1.314-3.713), perceived stigma (AOR = 2.243, 95% CI = 1.414-3.560), and stunting (AOR = 1.913, 95% CI = 1.129-3.241) were factors significantly associated with maternal depression.

CONCLUSION: The overall prevalence of maternal depression was higher among mothers of children with undernutrition. This higher prevalence was associated with several factors, including lack of education, unemployment, poor social support, high perceived stigma, and stunted physical growth in the children themselves. To decrease maternal depression, we can address these factors by increasing the level of maternal education and employment opportunities, strengthening social support systems, reducing stigma, and providing interventions to reduce stunting.

PMID:39022759 | PMC:PMC11252023 | DOI:10.3389/fpsyt.2024.1400293

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Nevin Manimala Statistics

Usefulness of bioelectrical impedance analysis in multiple sclerosis patients-the interrelationship to the body mass index

Front Neurol. 2024 Jul 3;15:1409038. doi: 10.3389/fneur.2024.1409038. eCollection 2024.

ABSTRACT

BACKGROUND: Patients with multiple sclerosis (MS) have many potential factors (disease duration, spasticity, immobilization, or glucocorticoid use) that can deteriorate their nutritional status and impact both the progression and prognosis of the disease. Body mass index (BMI), the most widely used nutritional status assessment tool, has important limitations because it does not provide any data on body composition.

AIM: This study aimed to assess the interrelationship between nutritional status assessment by both body mass index (BMI) and body composition using bioelectrical impedance analysis (BIA) and the consistency of diagnosis for underweight/underfat, normal weight/healthy, overweight/overfat, and obesity/obese MS patients.

METHODS: Anthropometric [BMI and waist-to-height ratio (WHtR)] and body composition (BIA) data were evaluated in 176 patients with MS. Patients were categorized into four nutritional status subgroups (underweight, normal weight, overweight, obese according to BMI, and underfat, healthy, overfat, and obese according to fat mass% by BIA). The median Expanded Disability Status Scale score was 4.5. Patients were then divided according to EDSS score as mild (EDSS 1.0-4.0) or moderate (EDSS 4.5-6.5) disability subgroups.

RESULTS: Based on BIA assessment, there was a significantly higher prevalence of overfat than of overweight based on BMI [n = 50 (28.41%) vs. n = 38 (21.59%); p < 0.05]. However, the prevalence of obesity did not differ significantly regardless of the mode of diagnosis and was not significantly lower when assessed using BIA [n = 26 (14.77%) vs. n = 30 (17.05%), respectively]. The overall compatibility rates (CR) of diagnoses made using both BMI and BIA were 75.6, 77.0, and 70.1% for all patients with MS and the mild and moderate subgroups, respectively. The lowest CR was observed in the overweight group. Adiposity significantly underestimated BMI in all subgroups. In the moderate MS subgroup, BMI significantly overcategorized patients with MS as having a normal weight (p < 0.05). Stratification for abdominal obesity (WHtR > 0.5) showed that BMI significantly underestimated the prevalence of MS in overweight and obese vs. overfat and obese patients, as assessed using BIA (60.5 vs. 67%; p < 0.05). Clinical status (EDSS and ΔEDSS) was more closely related to the nutritional status categorized by FAT% assessed using BIA than using BMI cutoff points. However, the relationship was not statistically significant.

CONCLUSION: Using the BMI cutoff point for nutritional status assessment in patients with MS is associated with a significant underestimation of excess fat mass. BIA-based FAT% based on BIA have a better relationship with abdominal obesity and disability status than with BMI in patients with MS. The highest rate of false-negative diagnoses was based on the BMI in patients with MS and moderate disability. Adiposity assessment using BIA appears to be a useful method for proper nutritional status assessment in the patients group.

PMID:39022735 | PMC:PMC11253598 | DOI:10.3389/fneur.2024.1409038

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Correlation between bony structures of the posterior cranial fossa and the occurrence of hemifacial spasm

Front Neurol. 2024 Jul 3;15:1418449. doi: 10.3389/fneur.2024.1418449. eCollection 2024.

ABSTRACT

OBJECTIVE: To quantitatively study the measurement data related to the bony posterior cranial fossa and explore the correlation between bony posterior cranial fossa morphology and the occurrence of hemifacial spasm.

METHODS: A total of 50 patients with hemifacial spasm who attended the Department of Neurosurgery of China-Japan Friendship Hospital from October 2021 to February 2022 were included, and 60 patients with minor head trauma excluding skull fracture and intracranial abnormalities were included as controls. Cranial multilayer spiral CTs (MSCTs) were performed in both groups, and multiplanar reconstruction (MPR) was used as a postprocessing method to measure data related to the posterior cranial fossa in both groups.

RESULTS: Compared with the control group, the anteroposterior diameter (labeled AB) and the height (labeled BE) of the bony posterior cranial fossa, the anteroposterior diameter of the foramen magnum (labeled BC), the length of the clivus (labeled AB), and the length of the posterior occipital (labeled CD) in the HFS group were all reduced, and the differences were statistically significant. BE is positively correlated with AB and CD, with a stronger correlation observed between BE and AB (r = 0.487, p < 0.01). AB is negatively correlated with AD (r = -0.473, p < 0.01). The remaining correlations between the data were not statistically significant. There was no overlap in the 95% confidence interval for any of the measurements between the hemifacial spasm group and the control group.

CONCLUSION: There is a correlation between the posterior cranial fossa and hemifacial spasm.

PMID:39022725 | PMC:PMC11253592 | DOI:10.3389/fneur.2024.1418449

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Need for repeat revascularisation in hybrid coronary revascularisation vs. percutaneous coronary intervention

Postepy Kardiol Interwencyjnej. 2024 Jun;20(2):124-132. doi: 10.5114/aic.2024.140903. Epub 2024 Jun 17.

ABSTRACT

Hybrid coronary revascularisation (HCR), being a treatment path combining both coronary artery bypass grafting and percutaneous coronary intervention (PCI) approaches, offers the advantages of both methods in patients with multi-vessel coronary artery disease. Since available literature provides few studies comparing the need for repeat revascularisation (RR) after HCR in comparison to PCI, our review aimed at summarising the latest data on this topic from the last 5 years (2018-2023). The search was conducted within the PubMed and Embase databases, followed by application of inclusion and exclusion criteria and providing a summary of data and characteristics of eligible studies. On the basis of 7 records included in the final analysis, RR and/or follow-up target vessel revascularisation (TVR) were significantly less frequently required in the case of HCR than in PCI in 3 out of 7 records, whereas the remaining four provided no significant differences in analysed rates between the 2 therapeutic pathways. When it comes to lowering the necessity for follow-up TVR and/or RR in a fraction of instances, HCR demonstrates a significant advantage over PCI. The complexity of outcomes associated with these therapies is emphasised by the fact that no statistically significant differences were observed between the 2 methods in the remaining 4 records.

PMID:39022704 | PMC:PMC11249877 | DOI:10.5114/aic.2024.140903

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Left main coronary artery disease treated with beating heart surgery: 10-year single center results

Postepy Kardiol Interwencyjnej. 2024 Jun;20(2):157-163. doi: 10.5114/aic.2024.140319. Epub 2024 Jun 6.

ABSTRACT

INTRODUCTION: Left main (LM) coronary disease is believed to represent a complex, advanced, and potentially life-threatening atherosclerotic syndrome that can be treated by either percutaneous or surgical interventions. Despite its satisfactory results, the declined number of off-pump coronary artery bypass grafting (OPCAB) is observed.

AIM: To compare 10-year survival and point out possible mortality risk factors in patients referred for left main and multivessel OPCAB surgery followed by transit time bypass measurements.

MATERIAL AND METHODS: There were 159 patients (128 (81%) men and 31 (19%) women) in a median age of 66 (60-70) years enrolled in retrospective analysis who were referred to surgical intervention due to left main (51, 32%) and multivessel (108, 68%) disease. The regression analysis for long-term mortality risk and the Kaplan-Meyer survival curve were analyzed.

RESULTS: Multivariable analysis pointed female sex (HR = 1.08, 95% CI: 1.03-1.14, p = 0.001) and diabetes mellitus (HR = 6.33, 95% CI: 1.86-21.52, p = 0.003) as possible risk factors for 10-year mortality risk. There was no significant difference in Kaplan-Meyer 10-year mortality comparison between left main and multivessel disease patients treated by off-pump surgical revascularization (HR = 0.93, 95% CI: 0.40-2.13, p = 0.86).

CONCLUSIONS: Off-pump surgery in the left main disease, compared to multivessel disease, represents a safe surgical technique with satisfactory long-term results. The female sex and diabetes mellitus were found as possible risk factors for 10-year mortality risk in multivariable analysis.

PMID:39022701 | PMC:PMC11249873 | DOI:10.5114/aic.2024.140319