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1.
Environ Monit Assess ; 195(10): 1219, 2023 Sep 18.
Article in English | MEDLINE | ID: mdl-37718371

ABSTRACT

Twenty surface sediment samples were gathered from Chasma Lake, deciding the radionuclides 137Cs, 226Ra, 228Ra, 232Th, and 40K and their associated hazard indices. The deliberate radionuclide activities of present research have been contrasted with earlier research, and acquired outcomes in the present study are found below the results in the world. The radiation hazard indices following the presence of natural radionuclides in sediment samples were estimated, and the results assigned the values of all the determined radiological indices found inside the worldwide suggested limits. It was concluded from the current review that the sediment of Chashma Lake is safe for construction and agriculture and does not make radiation dangerous to the nearby local area of the lake.


Subject(s)
Environmental Monitoring , Lakes , Pakistan , Agriculture
2.
Int J Cardiol ; 393: 131396, 2023 12 15.
Article in English | MEDLINE | ID: mdl-37769972

ABSTRACT

BACKGROUND: The impacts of high sensitivity cardiac troponin (hs-cTn) reporting on downstream interventions amongst suspected acute coronary syndrome (ACS) in the emergency department (ED), especially amongst those with newly identified hs-cTn elevations and in consideration of well-established sex-related disparities, has not been critically evaluated to date. This investigation explores the impact of hs-cTnT reporting on care and outcomes, particularly by participant sex. METHODS: Two similarly ED-based randomized controlled trials conducted between July 2011 to March 2013 (n = 1988) and August 2015 to April 2019 (n = 3378) were comparatively evaluated. Clinical outcomes were adjudicated to the Fourth Universal Definition of MI. Changes in practice were assessed at 30 days, and death or MI were explored to 12 months. RESULTS: The HS-Troponin study demonstrated no difference in death or MI with unmasking amongst those with hs-cTnT <30 ng/L, whereas the RAPID TnT study demonstrated a significantly higher rate. In RAPID TnT, there was significant increase in death or MI associated with unmasking for females with hs-cTnT <30 ng/L (masked: 11[1.5%], unmasked: 25[3.4%],HR: 2.27,95%C.I.:1.87-2.77,P < 0.001). Less cardiac stress testing with unmasking amongst those <30 ng/L was observed in males in both studies, which was significant in RAPID TnT (masked: 92[12.0%], unmasked: 55[7.0%], P = 0.008). In RAPID TnT, significantly higher rates of angiography in males were observed with unmasking, with no such changes amongst females <30 ng/L (masked: 28[3.7%], unmasked: 51[6.5%],P = 0.01). CONCLUSION: Compared with males, there were no evident impacts on downstream practices for females with unmasking in RAPID TnT, likely representing missed opportunities to reduce late death or MI.


Subject(s)
Acute Coronary Syndrome , Troponin T , Male , Female , Humans , Randomized Controlled Trials as Topic , Acute Coronary Syndrome/diagnosis , Acute Coronary Syndrome/therapy , Emergency Service, Hospital , Troponin I , Biomarkers
3.
PLoS One ; 18(6): e0286157, 2023.
Article in English | MEDLINE | ID: mdl-37319181

ABSTRACT

BACKGROUND: In cases of evolving myocardial injury not definitively attributed to coronary ischaemia precipitated by plaque rupture, referral for invasive coronary angiography (ICA) may be influenced by observed troponin profiles. We sought to explore association between early ICA and elevated high-sensitivity troponin T (hs-cTnT) concentrations with and without dynamic changes, to examine if there may be a hs-cTnT threshold associated with benefit from an initial ICA strategy. METHODS: Using published studies (hs-cTnT study n = 1937, RAPID-TnT study n = 3270) and the Fourth Universal Definition of Myocardial Infarction (MI), index presentations of patients with hs-cTnT concentrations 5-14ng/L were classified as 'non-elevated' (NE). Hs-cTnT greater than upper reference limit (14ng/L) were classified as 'elevated hs-cTnT with dynamic change' (encompassing acute myocardial injury, Type 1 MI, and Type 2 MI), or 'non-dynamic hs-cTnT elevation' (chronic myocardial injury). Patients with hs-cTnT <5ng/L and/or eGFR<15mmol/L/1.73m2 were excluded. ICA was performed within 30 days of admission. Primary outcome was defined as composite endpoint of death, MI, or unstable angina at 12 months. RESULTS: Altogether, 3620 patients comprising 837 (23.1%) with non-dynamic hs-cTnT elevations and 332 (9.2%) with dynamic hs-cTnT elevations were included. Primary outcome was significantly higher with dynamic and non-dynamic hs-cTnT elevations (Dynamic: HR: 4.13 95%CI:2.92-5.82; p<0.001 Non-dynamic: HR: 2.39 95% confidence interval [CI]:1.74-3.28, p<0.001). Hs-cTnT thresholds where benefit from initial ICA strategy appeared to emerge was observed at 110ng/L and 50ng/L in dynamic and non-dynamic elevations, respectively. CONCLUSION: Early ICA appears to portend benefit in hs-cTnT elevations with and without dynamic changes, and at lower hs-cTnT threshold in non-dynamic hs-cTnT elevation. Differences compel further investigation.


Subject(s)
Heart Injuries , Myocardial Infarction , Humans , Coronary Angiography , Myocardial Infarction/diagnostic imaging , Angina, Unstable , Heart Injuries/diagnostic imaging , Troponin T , Biomarkers
4.
Heart Lung Circ ; 32(8): 978-985, 2023 Aug.
Article in English | MEDLINE | ID: mdl-37225600

ABSTRACT

BACKGROUND: Diagnosis of acute myocardial infarction (AMI) requires a combination of elevated cardiac troponins, and clinical or echocardiographic evidence of coronary ischaemia. Identification of patients with a high likelihood of coronary plaque rupture (Type 1 myocardial infarction [MI]) is crucial as it is these patients for whom coronary intervention has been well-established to provide benefit and reduce subsequent coronary ischemic events. However, high-sensitivity cardiac troponin (hs-cTn) assays have increasingly identified patients with hs-cTn elevations not due to Type 1 MI where recommendations for ongoing care are currently limited. Understanding the profile and clinical outcomes for these patients may inform the development of an emerging evidence-base. METHODS: Using two previously published studies (hs-cTnT study n=1,937, RAPID-TnT study n=3,270) and the Fourth Universal Definition of MI, index presentations of patients to South Australian emergency departments with suspected AMI, defined by high sensitivity cardiac troponin T (hs-cTnT) greater than the upper reference limit (14 ng/L) and without obvious corresponding ischaemia on electrocardiogram (ECG), were classified as either Type 1 MI (T1MI), Type 2 MI (T2MI), acute myocardial injury (AI), or chronic myocardial injury (CI). Patients with non-elevated hs-cTnT (defined as <14 ng/L) were excluded. Outcomes assessed included death, MI, unstable angina, and non-coronary cardiovascular events within 12 months. RESULTS: In total, 1,192 patients comprising 164 (13.8%) T1MI, 173 (14.5%) T2MI/AI, and 855 (71.7%) CI were included. The rate of death or recurrent acute coronary syndrome was greatest in patients with T1MI, but also occurred with moderate frequency in Type 2 MI/AI and CI (T1MI: 32/164 [19.5%]; T2MI/AI: 24/173 [13.1%]; CI:116/885 [13.6%]; p=0.008). Of all the deaths observed, 74% occurred among those with an initial index diagnostic classification of CI. After adjusting for age, gender and baseline comorbidities, the relative hazard ratios for non-coronary cardiovascular readmissions were similar across all groups: Type 2 MI/AI: 1.30 (95% confidence interval 0.99-1.72, p=0.062); CI: 1.10 (95% confidence interval 0.61-2.00, p=0.75). CONCLUSIONS: Non-T1MI accounted for the majority of patients presenting with elevated hs-cTnT without ischaemia on ECG. Patients with T1MI had the highest rates of death or recurrent AMI; however patients with T2MI/AI and CI experienced a substantial rate of non-coronary cardiovascular re-hospitalisations.


Subject(s)
Acute Coronary Syndrome , Heart Injuries , Myocardial Infarction , Humans , Australia , Myocardial Infarction/diagnosis , Myocardial Infarction/epidemiology , Troponin T , Comorbidity , Biomarkers
5.
Am J Med Sci ; 365(1): 9-18, 2023 01.
Article in English | MEDLINE | ID: mdl-36055378

ABSTRACT

Cardiac cachexia is a muscle wasting process that often develops in those with chronic heart failure resulting in weight loss, low levels of physical activity, reduced quality of life, and is associated with a poor prognosis. The pathology of cardiac cachexia is complex with new evidence emerging that implicates several body systems. This review describes the pathophysiology associated with cardiac cachexia and addresses: 1) hormonal changes- neurohormonal abnormalities and metabolic hormone imbalance; 2) mechanisms of muscle wasting in cardiac cachexia, and the integral mechanisms between changed hormones due to cardiac cachexia and muscle wasting processes, and 3) associated abnormalities of gastrointestinal system that contribute to cardiac cachexia. These pleiotropic mechanisms demonstrate the intricate interplay between the affected systems and account for why cardiac cachexia is difficult to manage clinically. This review summarises current pathophysiology of cardiac cachexia and highlights symptoms of cardiac cachexia, implications for clinical practice and research gaps.


Subject(s)
Cachexia , Heart Failure , Humans , Cachexia/complications , Quality of Life , Heart Failure/complications , Chronic Disease
6.
Biol Res Nurs ; 25(2): 240-249, 2023 04.
Article in English | MEDLINE | ID: mdl-36342073

ABSTRACT

BACKGROUND: There is a need to detect and prevent fluid overload and malnutrition in heart failure. Bioelectrical impedance analysis and bioelectrical impedance vector analysis are medical instruments that can advance heart failure management by generating values of body composition and body water, assisting clinicians to detect fluid and nutritional status. However, there is a lack of evidence to summarise how they have been used among heart failure patients. METHOD: A systematic search was conducted. RESULT: Two hundred and four papers were screened. Forty-eight papers were reviewed, and 46 papers were included in this review. The literature shows that bioelectrical impedance analysis and bioelectrical impedance vector analysis were mostly used to assess fluid and nutritional status, together with diagnostic and prognostic values. Contraindication of using BIA and implications for practice are also demonstrated. CONCLUSION: The findings suggest that bioelectrical impedance vector analysis is superior to bioelectrical impedance analysis when assessing hydration/nutritional status in heart failure. Assessing a patient using bioelectrical impedance analysis /bioelectrical impedance vector analysis, together with natriuretic peptide -heart failure biomarkers, increases the diagnostic accuracy of heart failure. Further studies are required to examine the cost effectiveness of using these instruments in clinical practice.


Subject(s)
Body Water , Heart Failure , Humans , Electric Impedance , Heart Failure/diagnosis , Body Composition , Nutritional Status , Chronic Disease
7.
Nurse Educ Pract ; 64: 103455, 2022 Oct.
Article in English | MEDLINE | ID: mdl-36182729

ABSTRACT

AIM: This systematic review was undertaken to investigate the impact of social media use in relation to student engagement in nursing education. BACKGROUND: The availability of social media has transformed global connectivity within education systems. Social media has been used in various educational contexts. The widespread use of social media has prompted a demand for a better understanding of how it might be used in nursing education. While research has previously explored the positive effects of using social media on a range of learning outcomes in nursing education, studies have not specifically focused on how these positive features have an impact on students' engagement as a vital component of successful learning. DESIGN: This review uses the Joanna Briggs Institute approach to conducting systematic reviews and follows Preferred Reporting Items for Systematic Reviews and Meta-Analyses (PRISMA) guidelines for reporting a systematic review. METHODS: Following predefined inclusion criteria, a search of electronic databases was performed using a three-step strategy to identify relevant studies. The following databases were searched: Cumulative Index of Nursing and Allied Health Literature (CINAHL), Education Resources Information Centre (ERIC), MEDLINE and PubMed. A further manual search was performed to identify potentially relevant articles. The included studies were assessed for methodological quality by all reviewers using the Mixed Methods Appraisal Tool. NVivo software was used for organising data and developing themes. RESULTS: Data from sixteen studies with different designs were extracted and thematically synthesised. The synthesised findings yielded five themes: 1) interaction and communication; 2) managing stress; 3) positive online community; 4) time spent; and 5) digital literacy and e-professionalism. CONCLUSIONS: This review reveals that using social media to support nursing students' learning has positive benefits in terms of promoting several aspects of their engagement, such as rapid interaction and communication. Further empirical studies, however, should aim to measure social media's effects on nursing students' engagement with their courses and their academic attainment.


Subject(s)
Education, Nursing , Social Media , Students, Nursing , Clinical Competence , Humans , Learning
8.
Rep Pract Oncol Radiother ; 27(1): 76-85, 2022.
Article in English | MEDLINE | ID: mdl-35402026

ABSTRACT

Background: Several authors investigated a dosimetric impact of leaf width on radiotherapy plan quality subjectively, and concluded that thinner leaf-width multileaf collimators (MLC) are beneficial because of their better coverage of clinically relevant structures. Study aimed to investigate the dosimetric effect of MLC leaf width on volumetric modulated arc therapy plan quality by objective approach. Materials and methods: Twelve of each prostate and head-and-neck patients were planned for volumetric modulated arc therapy (VMAT) treatments for MLC leaf widths of 4 mm and 10 mm. Three different VMAT schemes single-arc, dual-arc and two combined independent single-arcs were optimized. Dose volume histogram and Isodose distribution were used for quantitative and qualitative comparison of the treatment plan, respectively. Dose-volume-indices of the planning target volume, organs at risk and number of delivered monitor units were compared. The 4 mm leaf width being reference over 10 mm and results were noted as statistically significant if p ≤ 0.05 using student t-test. Results: All VMAT schemes for both tumor sites showed a gain in target coverage, similar organs at risk doses and higher monitor units to be delivered, when changing leaf width from 10 mm to 4 mm. The p-values were significant for majority of head-and-neck dose indices. Conclusion: The thinner-leaf MLCs, owing to their better spatial resolution, result in an overall gain for target coverage, while maintaining permissible doses to the organs at risk.

9.
Environ Monit Assess ; 194(3): 223, 2022 Feb 25.
Article in English | MEDLINE | ID: mdl-35217922

ABSTRACT

This study is concentrated on the radiological risk assessment of sixteen surface sediment samples recovered from Namal Lake, District Mianwali, Punjab, Pakistan. The activity of 137Cs, 40 K, 226Ra, 228Ra, and 232Th was carried out with the help of a high purity germanium detector (HPGe) in the sediment, varied in the ranges of > 0.02-3.73 ± 1.31, 98.32 ± 21.45-341.02 ± 58.67, 18.34 ± 2.16-34.23 ± 4.34, 1.62 ± .30-2.34 ± .52, and 0.14 ± 0.10-2.34 ± 0.59 Bq kg-1 with average values 0.74 ± 0.29, 237.26 ± 37.97, 25.06 ± 4.74, 1.97 ± 0.39, and 1.73 ± 0.33 Bq kg-1, respectively. The measured concentrations in the current study have been compared with other earlier studies in the world. The data was also used for determining the other useful parameters like radium equivalent activity, absorbed dose rate, annual effective dose rate, and external and internal hazards index to assess the radiological risk assessment for the environment around the study area. The ERICA Tool software was also applied for radiological risk assessment for lake fish due to the radioactivity present in the lake sediments. It was concluded from the results of ERICA tool that the risk quotient in this study is less than one indicating that no toxic effects of radioactivity for Namal Lake fish.


Subject(s)
Radiation Monitoring , Radium , Soil Pollutants, Radioactive , Animals , Lakes , Pakistan , Potassium Radioisotopes/analysis , Radiation Monitoring/methods , Radium/analysis , Risk Assessment , Soil Pollutants, Radioactive/analysis , Spectrometry, Gamma , Thorium/analysis
10.
Int J Cardiol ; 347: 66-72, 2022 Jan 15.
Article in English | MEDLINE | ID: mdl-34774641

ABSTRACT

AIMS: Explore the impact of deploying high-sensitivity (hs) cardiac troponin T (cTnT) assay across a state-wide health service. METHODS AND RESULTS: Presentations to emergency departments of six tertiary hospitals between January 2008 and August 2019 were included; standard cTnT assay was superseded by hs-cTnT in June 2011 without changing the reference range (≥30 ng/L reported as elevated), despite cTnT level of 30 ng/L being equivalent to ∼44 ng/L with hs-cTnT. Clinical outcomes were captured using state-wide linked health records. Interrupted time series analyses were used adjusted for seasonality and multiple co-morbidities using propensity score matching allowing for correlation within hospitals. In total, 614,847 presentations had ≥1 troponin measurement. Clinical ordering of troponin decreased throughout the study with no increase in elevated measurements amongst those tested with hs-cTnT. Small but statistically significant changes in index myocardial infarction (MI) diagnosis (-0.36%/year, 95%CI [confidence interval]:-0.48, -0.24,p < 0.001) and invasive coronary angiography (0.12%/year,95%CI:0, 0.24,p = 0.02) were seen, with no impact on death/MI at 30 days or 3-year survival in episodes of care (EOCs) with elevated cTnT after hs-cTnT implementation. Length of stay (LOS) was shorter among those with an elevated hs-cTnT (-4.44 h/year, 95%CI:-5.27, -3.60, p < 0.001). Non-elevated cTnT EOCs demonstrated shorter total LOS and improved 3-year survival (adjusted hazard ratio:0.90, 95%CI:0.83, 0.97,p = 0.008) although death/MI at 30 days was unchanged using hs-cTnT. CONCLUSION: Widespread implementation of hs-cTnT without altering clinical thresholds reported to clinicians provided significantly shorter LOS without a clinically significant impact on clinical outcomes. A safer cohort with non-elevated cTnT was identified by hs-cTnT compared to the standard cTnT assay.


Subject(s)
Myocardial Infarction , Troponin T , Biomarkers , Cohort Studies , Coronary Angiography , Emergency Service, Hospital , Humans , Myocardial Infarction/diagnosis , Myocardial Infarction/epidemiology
11.
J Family Med Prim Care ; 11(10): 5961-5968, 2022 Oct.
Article in English | MEDLINE | ID: mdl-36618178

ABSTRACT

Background: Diabetes, is known to have a bilateral relationship with severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2). Precise mechanism of diabetes onset in COVID-19 patients remains unclear. Aim: To analyse the incidence of new onset diabetes (NODM) among COVID-19 patients, as well as the effect of body mass index (BMI), family history, and steroid use on the incidence of the disease. Methods: Adult, not known diabetic patients, tested positive with Rapid Antigen Test or RT-PCR admitted to a tertiary care hospital and research institute were included in the present prospective observational study. The patients who developed NODM and NOPD (New Onset Pre-diabetes) during the three months follow-up and the risk factors associated were assessed. Patients with HbA1c >6.4% were diagnosed with NODM. An HbA1c of 5.7% to 6.4% was used to characterize NOPD. Results: Out of 273 previously not known diabetic COVID-19 infected individuals, a total of 100 were studied for three months after consent. Mean age of the patients 48.31 ± 19.07 years with male predominance (67%). Among these, 58% were non-diabetics and 42% were pre-diabetics. 6 (10.3%) of the 58 non-diabetics developed NOPD, and 8 (13.8%) developed NODM. 6 (14.2%) of the 42 pre-diabetics became non-diabetic, and 16.6% (7) developed NODM. Family history of DM (P < 0.001), severity at admission (P < 0.006), diabetic ketoacidosis (P < 0.0275), and persistent symptoms were associated significantly with NODM. Those with NODM had significantly greater BMI, O2 duration, steroid duration, FBS, and PPBS (P < 0.001 for all). Nearly 67% of the patients who developed NOPD had shortness of breath as the common symptom at time of admission (P = 0.0165). Conclusion: The incidence of NODM was strongly influenced by positive family history of DM, higher BMI, steroid dosage, and its duration. Hence, patients with COVID-19 need to be under surveillance for blood glucose screening.

12.
Eur Heart J Acute Cardiovasc Care ; 10(9): 1038-1047, 2021 Dec 06.
Article in English | MEDLINE | ID: mdl-34195809

ABSTRACT

AIMS: High-sensitivity cardiac troponin strategies can provide risk stratification in patients with suspected acute coronary syndrome (ACS) in the emergency department (ED). This study evaluated whether clinical risk scoring improves the classification performance of a rule-out profile in suspected ACS. METHODS AND RESULTS: Patients presenting to ED with suspected ACS as part of the RAPID-TnT trial randomized to the intervention arm were included. Results ≥5 ng/L were available for all participants in this analysis. We evaluated the Thrombolysis In Myocardial Infarction (TIMI) risk score, History ECG Age Risk factors Troponin (HEART) score, and Emergency Department Assessment of Chest pain Score (EDACS) in addition to a rule-out profile based on the 0/1-h high-sensitivity cardiac troponin T protocol (<5 ng/L or ≤12 ng/L and a change of <3 ng/L at 1-h) using test performance parameters focusing on low-risk groups to identify the primary endpoint (TIMI ≤ 1, HEART ≤ 3, EDACS < 16). Primary endpoint was a composite of type 1/2 myocardial infarction (MI) at index presentation and all-cause mortality or type 1/2 MI at 30 days. A total of 3378 participants were enrolled between August 2015 and April 2019 of which 108 were ineligible/withdrew consent (intervention arm: n = 1638). Sensitivity, specificity, negative predictive value (NPV), and area under the curve (AUC) of the rule-out profile was 94.4%, 76.8%, 99.6%, and 0.86, respectively with 72.9% identified as 'low-risk'. Adding the clinical risk scores did not improve the sensitivity, NPV, or AUC with significantly lower specificity and 'low-risk' classified participants. CONCLUSIONS: Addition of clinical risk scores to rule-out profile did not demonstrate improved classification performance for identifying the composite of type 1/2 MI at index presentation and all-cause mortality or type 1/2 MI at 30 days. CLINICAL TRIALS REGISTRATION: URL: https://www.anzctr.org.au. Reg. No. ACTRN12615001379505.


Subject(s)
Acute Coronary Syndrome , Myocardial Infarction , Acute Coronary Syndrome/diagnosis , Biomarkers , Chest Pain/diagnosis , Chest Pain/etiology , Emergency Service, Hospital , Humans , Myocardial Infarction/diagnosis , Prospective Studies , Risk Assessment , Troponin , Troponin T
13.
J Pak Med Assoc ; 71(4): 1093-1099, 2021 Apr.
Article in English | MEDLINE | ID: mdl-34125749

ABSTRACT

OBJECTIVE: To evaluate different VMAT planning techniques for a multi-leaf collimator (MLC)providing maximum aperture of 21 × 16 cm². METHODS: A VMAT planning study of nine prostate and nine head-and-neck cancer patients was carried out. The patients were previously treated with Intensity Modulated Radiotherapy (IMRT) technique during 2014-15, at radiation oncology SanBortolo Hospital, Vicenza, Italy. Three VMAT plans for each of prostate and head-and-neck cancer patient were optimized using Pinnacle treatment planning system for 6MV photon beam from ElektaSynergyS®Linac system. Single arc, dual arc and combined two independent-single-arcs were optimized for collimator angle 45°. VMAT treatment planning comparison was made among single-arc dual-arc and combined two independent-single-arcs. The student's t-test (two-sided) with p ≤ 0.05 was applied for significant difference between dose volume indices of plans. RESULTS: All VMAT techniques produced clinically acceptable plans for prostate, while for head-and-neck, DA and ISAs significantly improved target coverage compared to SA. Single arc is sufficient for prostate, while inefficient in case of head-and-neck dose-planning. In spite of having different VMAT optimization approach dual arc and two combined independent-single-arcs provided very similar target coverage, while dual arc improved sparing of organs-at-risk. Similar treatment delivery times were observed for DA and ISAs VMAT techniques. CONCLUSIONS: Single arc is sufficient for prostate, while inefficient in case of head-and-neck dose-planning. Dual arc and two combined independent-single-arcs provided similar PTV coverage, while DA provided better sparing of organs at risk.


Subject(s)
Head and Neck Neoplasms , Radiotherapy, Intensity-Modulated , Head and Neck Neoplasms/radiotherapy , Humans , Male , Prostate , Radiotherapy Dosage , Radiotherapy Planning, Computer-Assisted
14.
Circulation ; 144(2): 113-125, 2021 07 13.
Article in English | MEDLINE | ID: mdl-33998255

ABSTRACT

BACKGROUND: High-sensitivity troponin assays are increasingly being adopted to expedite evaluation of patients with suspected acute coronary syndromes. Few direct comparisons have examined whether the enhanced performance of these assays at low concentrations leads to changes in care that improves longer-term outcomes. This study evaluated late outcomes of participants managed under an unmasked 0/1-hour high-sensitivity cardiac troponin T (hs-cTnT) protocol compared with a 0/3-hour masked hs-cTnT protocol. METHODS: We conducted a multicenter prospective patient-level randomized comparison of care informed by unmasked 0/1-hour hs-cTnT protocol (reported to <5 ng/L) versus standard practice masked hs-cTnT testing (reported to ≤29 ng/L) assessed at 0/3 hours and followed participants for 12 months. Participants included were those presenting to metropolitan emergency departments with suspected acute coronary syndromes, without ECG evidence of coronary ischemia. The primary end point was time to all-cause death or myocardial infarction using Cox proportional hazards models adjusted for clustering within hospitals. RESULTS: Between August 2015 and April 2019, we randomized 3378 participants, of whom 108 withdrew, resulting in 12-month follow-up for 3270 participants (masked: 1632; unmasked: 1638). Among these, 2993 (91.5%) had an initial troponin concentration of ≤29 ng/L. Deployment of the 0/1-hour hs-cTnT protocol was associated with reductions in functional testing. Over 12-month follow-up, there was no difference in invasive coronary angiography (0/1-hour unmasked: 232/1638 [14.2%]; 0/3-hour masked: 202/1632 [12.4%]; P=0.13), although an increase was seen among patients with hs-cTnT levels within the masked range (0/1-hour unmasked arm: 168/1507 [11.2%]; 0/3-hour masked arm: 124/1486 [8.3%]; P=0.010). By 12 months, all-cause death and myocardial infarction did not differ between study arms overall (0/1-hour: 82/1638 [5.0%] versus 0/3-hour: 62/1632 [3.8%]; hazard ratio, 1.32 [95% CI, 0.95-1.83]; P=0.10). Among participants with initial troponin T concentrations ≤29 ng/L, unmasked hs-cTnT reporting was associated with an increase in death or myocardial infarction (0/1-hour: 55/1507 [3.7%] versus 0/3-hour: 34/1486 [2.3%]; hazard ratio, 1.60 [95% CI, 1.05-2.46]; P=0.030). CONCLUSIONS: Unmasked hs-cTnT reporting deployed within a 0/1-hour protocol did not reduce ischemic events over 12-month follow-up. Changes in practice associated with the implementation of this protocol may be associated with an increase in death and myocardial infarction among those with newly identified troponin elevations. Registration: URL: https://www.anzctr.org.au; Unique identifier: ACTRN12615001379505.


Subject(s)
Acute Coronary Syndrome/diagnosis , Troponin T/metabolism , Aged , Female , Humans , Male , Middle Aged , Prospective Studies , Treatment Outcome
15.
PLoS One ; 16(3): e0248289, 2021.
Article in English | MEDLINE | ID: mdl-33711079

ABSTRACT

BACKGROUND: The Fourth Universal Definition of Myocardial Infarction (MI) differentiates MI from myocardial injury. We characterised the temporal course of cardiac and non-cardiac outcomes associated with MI, acute and chronic myocardial injury. METHODS: We included all patients presenting to public emergency departments in South Australia between June 2011-Sept 2019. Episodes of care (EOCs) were classified into 5 groups based on high-sensitivity troponin-T (hs-cTnT) and diagnostic codes: 1) Acute MI [rise/fall in hs-cTnT and primary diagnosis of acute coronary syndrome], 2) Acute myocardial injury with coronary artery disease (CAD) [rise/fall in hs-cTnT and diagnosis of CAD], 3) Acute myocardial injury without CAD [rise/fall in hs-cTnT without diagnosis of CAD], 4) Chronic myocardial injury [elevated hs-cTnT without rise/fall], and 5) No myocardial injury. Multivariable flexible parametric models were used to characterize the temporal hazard of death, MI, heart failure (HF), and ventricular arrhythmia. RESULTS: 372,310 EOCs (218,878 individuals) were included: acute MI (19,052 [5.12%]), acute myocardial injury with CAD (6,928 [1.86%]), acute myocardial injury without CAD (32,231 [8.66%]), chronic myocardial injury (55,056 [14.79%]), and no myocardial injury (259,043 [69.58%]). We observed an early hazard of MI and HF after acute MI and acute myocardial injury with CAD. In contrast, subsequent MI risk was lower and more constant in patients with acute injury without CAD or chronic injury. All patterns of myocardial injury were associated with significantly higher risk of all-cause mortality and ventricular arrhythmia. CONCLUSIONS: Different patterns of myocardial injury were associated with divergent profiles of subsequent cardiac and non-cardiac risk. The therapeutic approach and modifiability of such excess risks require further research.


Subject(s)
Acute Coronary Syndrome/blood , Acute Coronary Syndrome/mortality , Myocardial Infarction/blood , Myocardial Infarction/mortality , Troponin T/blood , Acute Coronary Syndrome/therapy , Adult , Aged , Aged, 80 and over , Arrhythmias, Cardiac/blood , Arrhythmias, Cardiac/mortality , Arrhythmias, Cardiac/therapy , Chronic Disease , Disease-Free Survival , Female , Follow-Up Studies , Heart Failure/blood , Heart Failure/mortality , Heart Failure/therapy , Humans , Male , Middle Aged , Myocardial Infarction/therapy , Risk Factors , Survival Rate
16.
Br J Community Nurs ; 26(1): 18-25, 2021 Jan 02.
Article in English | MEDLINE | ID: mdl-33356934

ABSTRACT

Heart failure as a comorbidity in the older population with COVID-19 poses an additional threat to those affected. Patients with both COVID-19 and heart failure share similar risk factors, which result in magnification of pathological outcomes. These include a common inflammatory pathology and related coagulopathy. Both illnesses pose a risk of arrhythmia. Polypharmacy further complicates safe drug administration and worsens the risk of medication-induced arrhythmia. Additionally, both conditions present challenges regarding attaining and maintaining an appropriate nutritional state. Exploration of the interplay between these factors demonstrates the gravity of the co-existence of these conditions and helps understand the difficulties faced when caring for this patient group. Although care provided to COVID-19 patients is primarily related to symptom presentation, based on the analysis conducted, there are some recommendations for practice in relation to evidence and guidelines when managing heart failure patients in primary care within the context of the COVID-19 pandemic.


Subject(s)
COVID-19/complications , Heart Failure/complications , Heart Failure/therapy , Angiotensin-Converting Enzyme 2/genetics , Arrhythmias, Cardiac/etiology , COVID-19/epidemiology , COVID-19/physiopathology , Cytokine Release Syndrome/physiopathology , Diet , Gene Expression , Heart Failure/drug therapy , Heart Failure/physiopathology , Humans , Pandemics , Polypharmacy , Primary Health Care , Risk Factors , SARS-CoV-2/pathogenicity , COVID-19 Drug Treatment
17.
Nurse Educ Pract ; 44: 102750, 2020 Mar.
Article in English | MEDLINE | ID: mdl-32259729

ABSTRACT

Worldwide, health services are interested in supporting the speedy adoption of research findings into practice. To promote the translation of research into practice, a university in the South of England along with a partner NHS Trust piloted a new role - Translation Fellow (TF). This article describes and analyses the experience of implementing this role. It outlines the successes achieved as a result of this partnership between a university and a healthcare organisation as well as describing the challenges involved in establishing such a role. The successes included submitting a joint abstract to a conference; collaboratively developing articles for publication; organizing a visit overseas to compare similar services; co-designing a database to assist in collecting data for service planning and research, and setting up a 'one click access' web space populated with evidence informed material to support the work of the clinical staff. The pilot acted as a proof of concept in which the TF role demonstrated its potential. Additional roles are already being established in other services in the locality and the role merits wider discussion and testing nationally.


Subject(s)
Academic Medical Centers , Cooperative Behavior , Fellowships and Scholarships/organization & administration , Nurse's Role , Translational Research, Biomedical , Universities , Community-Based Participatory Research , England , Humans , Pilot Projects , Stakeholder Participation , State Medicine
18.
Heart Lung ; 49(5): 537-547, 2020.
Article in English | MEDLINE | ID: mdl-32127208

ABSTRACT

BACKGROUND: Medication adherence among patients with hypertension has continued to be a challenge despite various educational interventions utilised in their care. The effect of the different educational methods on medication adherence in hypertension remains uncertain. OBJECTIVES: To examine the effect of educational interventions on improving medication adherence among patients with hypertension. METHODS: A systematic search was conducted using EMBASE, MEDLINE, PsycINFO, CINHAL, PUBMED, HTA and Cochrane controlled trial registry from 1999 to 2019. Subgroup analysis was performed according to the various methods of educational intervention. RESULTS: Twelve studies identified from seven databases were interrogated. There was a low to moderate quality evidence to support the improvement of medication adherence with educational interventions. Verbal education had a small statistically significant effect d = 0.18 (95% CI 0.01-0.34, p < 0.04). No statistically significant difference was found between bimodal (verbal and printed) and multimodal (verbal, printed and electronic) educational interventions. Frequent contacts during patient education showed better outcomes of medication adherence. CONCLUSIONS: Verbal educational interventions can improve health literacy and consequent adherence to medication among individuals with hypertension. Frequent verbal educational interventions can enhance patient engagement, participation as well as promote medication literacy and adherence. Healthcare professionals should adopt innovative ways of ensuring regular follow-ups and making educational sessions more interactive and useful to patients.


Subject(s)
Health Literacy , Hypertension , Humans , Hypertension/drug therapy , Medication Adherence , Patient Participation
19.
Br J Nurs ; 28(17): 1136-1143, 2019 Sep 26.
Article in English | MEDLINE | ID: mdl-31556728

ABSTRACT

Online resources are expected within healthcare education, and a plethora of online or technology-based delivery methods are available. Reusable learning objects (RLOs) are a form of digitally supported education that can be used multiple times in various locations; they are especially favoured by nurses. Little is understood about the issues involved in their creation. This article examines the development of an RLO in respiratory physiology for first-year nurses and how those creating it worked together. Feedback during the development of the RLO was gathered over 1 year from academics, technologists and students. Issues that arose included variations and misunderstanding regarding terminology and academics' not appreciating the time it took to develop the resource and its potential. Practical matters included sourcing royalty-free or in-house images, record-keeping and version control, and addressing production logic in case developers moved to other projects. It is important to include students during the design process rather than in just evaluating the final product because user experience and navigation have to be considered together with pedagogical content. Addressing these issues when developing an RLO will help streamline the process and generate a student-focused output.


Subject(s)
Computer-Assisted Instruction , Education, Nursing, Baccalaureate/organization & administration , Humans , Learning , Nursing Education Research , Nursing Evaluation Research , Students, Nursing/psychology
20.
Med J Aust ; 209(3): 118-123, 2018 08 06.
Article in English | MEDLINE | ID: mdl-30025513

ABSTRACT

OBJECTIVE: To examine whether there are sex differences in the characteristics, management, and clinical outcomes of patients with an ST-elevation myocardial infarction (STEMI). Design, setting: Cohort study; analysis of data collected prospectively by the CONCORDANCE acute coronary syndrome registry from 41 Australian hospitals between February 2009 and May 2016. PARTICIPANTS: 2898 patients (2183 men, 715 women) with STEMI. MAIN OUTCOME MEASURES: Rates of revascularisation (percutaneous coronary intervention [PCI], thrombolysis, coronary artery bypass grafting [CABG]), adjusted for GRACE risk score quartile. SECONDARY OUTCOMES: timely vascularisation rates; major adverse cardiac event rates; clinical outcomes and preventive treatments at discharge. RESULTS: The mean age of women with STEMI at presentation was 66.6 years (SD, 14.5 years), of men, 60.5 years (SD, 12.5 years). The proportions of women with hypertension, diabetes, prior stroke, chronic kidney disease, chronic heart failure, or dementia were larger than those of men; fewer women had histories of previous coronary artery disease or myocardial infarction, or of prior PCI or CABG. Women were less likely to have undergone coronary angiography (odds ratio, adjusted for GRACE score quartile [aOR], 0.53; 95% CI, 0.41-0.69) or revascularisation (aOR, 0.42; 95% CI, 0.34-0.52); they were less likely to have received timely revascularisation (aOR, 0.72; 95% CI, 0.63-0.83) or primary PCI (aOR, 0.76; 95% CI, 0.61-0.95). Six months after admission, the rates of major adverse cardiovascular events (aOR, 2.68; 95% CI, 1.76-4.09) and mortality (aOR, 2.17; 95% CI, 1.24-3.80) were higher for women. At discharge, significantly fewer women than men received ß-blockers, statins, and referrals to cardiac rehabilitation. CONCLUSION: Women with STEMI are less likely to receive invasive management, revascularisation, or preventive medication at discharge. The reasons for these persistent differences in care require investigation.


Subject(s)
ST Elevation Myocardial Infarction/mortality , ST Elevation Myocardial Infarction/therapy , Aged , Australia/epidemiology , Cohort Studies , Female , Humans , Male , Middle Aged , Risk Factors , ST Elevation Myocardial Infarction/epidemiology , Sex Factors , Treatment Outcome
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