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Association of symptoms at heart failure diagnosis with hospitalisation and mortality at 6 and 12 months: a retrospective cohort study using UK primary care health records

Por: Ali · M. R. · Lam · C. S. P. · Stromberg · A. · Hand · S. P. P. · Booth · S. · Zaccardi · F. · McCann · G. P. · Khunti · K. · Lawson · C. A.
Background

We investigated symptoms reported before and after heart failure (HF) diagnosis and their associations with 3-month hospitalisation and mortality.

Objectives

To examine associations between symptoms recorded in primary care and short-term hospitalisation and mortality in HF patients.

Design

Landmark analysis using Royston-Parmar survival models at baseline (diagnosis), 6 and 12 months post-diagnosis.

Setting

Primary care database (Clinical Practice Research Datalink) linked to hospital and mortality data (1998–2020).

Participants

Adults (>40 years) with a first HF diagnosis.

Exposures

Shortness of breath, ankle swelling, oedema, fatigue, chest pain, depression and anxiety in the 3 months before diagnosis and at 6 and 12 months.

Outcomes

3-month all-cause hospitalisation and mortality; secondary outcomes included HF and non-cardiovascular hospitalisation.

Results

Among 86 882 HF patients (62 742 and 54 555 surviving to 6 and 12 months, respectively), the magnitude of symptom risk varied by timepoint. Specifically, the symptoms with the strongest associations with adverse outcomes were: depression for all-cause hospitalisation at diagnosis (HR: 1.26; 95% CI 1.15 to 1.39) and 6 months (1.46; 1.25 to 1.70); ankle swelling for mortality (1.49; 1.14 to 1.94) at 6 months and SOB for HF hospitalisation (1.18; 1.12 to 1.26) at diagnosis and 12 months (1.99; 1.68 to 2.35).

Conclusions

Symptoms persisted and were more prominent at 6 and 12 months post-diagnosis than at diagnosis.

Screening for hypertension in the inpatient environment (SHINE): a prospective diagnostic accuracy study among adult hospital patients

Por: Armitage · L. C. · Roman · C. · Lawson · B. K. · Mahdi · A. · Biggs · C. · Young · L. · Edmundson · H. · Fanshawe · T. · Tarassenko · L. · Farmer · A. · Watkinson · P. J.
Background

Hypertension is the leading risk factor for death globally. Undiagnosed hypertension is common, but the incidence in hospitalised patients is unclear. There are calls for universal facility-based screening for hypertension among all attending patients. The hospital inpatient setting, where blood pressure (BP) is measured routinely and repeatedly, presents an ideal opportunity. However, international hypertension guidelines do not include inpatient BP thresholds for diagnostic or treatment purposes. We investigated the performance of current UK community BP thresholds for diagnosing hypertension in the hospital setting.

Objectives

Investigate the diagnostic performance of the current UK ambulatory BP diagnostic thresholds for systolic and diastolic hypertension in the hospital setting against the reference test of community-based ambulatory BP monitoring (ABPM).

Design

A prospective diagnostic accuracy study.

Setting

Hospital inpatients admitted to three UK centres were approached. Follow-up ABPM was delivered in the community.

Participants

Eligible patients were aged between 18 and 80 years, with no prior diagnosis of, or prescription for hypertension, and whose mean cumulative daytime BP was 120 mm Hg to 179 mm Hg systolic and ≤109 mm Hg diastolic from the 24th hour of their hospital admission.

Interventions

Participants received 24-hour ABPM 4–26 weeks post-discharge, as the reference test for hypertension, with UK diagnostic thresholds of an average daytime BP of ≥135 mm Hg systolic and ≥85 mm Hg diastolic applied. Participants found to be severely hypertensive at the ABPM fitting appointment were also considered reference-test positive but did not proceed with ABPM.

Primary and secondary outcome measures

The diagnostic performance of a mean daytime in-hospital BP of ≥135 mm Hg systolic or ≥85 mm Hg diastolic (index test) for the prediction of hypertension diagnosed on ABPM (reference test) was assessed using sensitivity, specificity, positive predictive value (PPV) and negative predictive value (NPV) as primary outcome measures. Additionally, we explored the accuracy of a range of alternative in-hospital systolic and diastolic BP thresholds against the same reference test.

Results

351 participants were enrolled and 206 completed the study protocol. The average age of the 206 participants was 53 years, 55% were male, and 91 (44%) had daytime community hypertension on ABPM reference testing. Of 107 participants with raised in-hospital daytime BP, 59 (55%) had daytime community hypertension. When assessing the performance of the index test for detecting daytime community hypertension, sensitivity was 65% (59/91, 54% to 75%) and specificity was 58% (67/115, 49% to 67%). The PPV was 55% (59/107, 45% to 65%) and NPV was 68% (67/99, 58% to 77%), respectively. A further 45/206 participants (23%) had night-time community hypertension when assessed using European diagnostic thresholds for nocturnal hypertension (120 mm Hg systolic or 70 mm Hg diastolic), while 25/107 of those with raised in-hospital daytime BP (23%) had night-time community hypertension. When assessing the performance of the index test for detecting either day or night-time community hypertension, sensitivity was 62% (84/135, 53% to 70%) and specificity was 68% (48/71, 55% to 78%). The PPV was 79% (84/107, 70% to 86%) and NPV was 48% (48/99, 38% to 59%).

Conclusions

Undiagnosed hypertension is common in hospitalised patients, particularly those with raised in-hospital BP. While in-hospital BP alone is an imperfect predictor and should not be used as a stand-alone diagnostic test, this could serve as a trigger for further assessment of BP in the community after discharge.

Trial registration number

The study protocol was registered with the ISCTRN Registry (ISRCTN80586284).

Pursuing Reduction in Fatigue After COVID-19 via Exercise and Rehabilitation (PREFACER): a protocol for a randomised feasibility trial

Por: Billias · N. · Pouliopoulou · D. V. · Lawson · A. · DAlessandro · V. · Bryant · D. M. · Peters · S. · Rushton · A. B. · Miller · E. · Brunton · L. · McGuire · S. · Nicholson · M. · Birmingham · T. B. · MacDermid · J. C. · Quinn · K. L. · Razak · F. · Goulding · S. · Galiatsatos · P. · Sa
Introduction

Over 777 million COVID-19 infections have occurred globally, with data suggesting that 10%–20% of those infected develop Long COVID. Fatigue is one of the most common and disabling symptoms of Long COVID. We aim to assess the feasibility and safety of a new, remotely delivered, multimodal rehabilitation intervention, paced to prevent post-exertional malaise (PEM), to support the conduct of a future, definitive randomised trial.

Methods and analysis

We will conduct a randomised, two-arm feasibility trial (COVIDEx intervention vs usual care). Sixty participants with Long COVID will be recruited and randomised prior to giving informed consent under a modified Zelen design using 1:1 allocation with random permuted blocks via central randomisation to receive either the COVIDEx intervention or usual care. The 50-minute, remotely delivered, COVIDEx intervention will occur twice weekly for 8 weeks. All participants will wear a non-invasive device throughout their entire study participation, to track heart rate, blood oxygen saturation, steps, sleep and monitor PEM. The primary feasibility objectives will be recruitment rates, intervention fidelity, adherence, acceptability (intervention and design), retention, blinding success and outcome completeness. Secondary objectives will include refined estimates for the standard deviation and correlation between baseline and follow-up measurements of fatigue. Feasibility and clinical outcomes will be collected at baseline, 4, 8, 12 and 24 weeks. Qualitative interviews with participants and physiotherapists will explore intervention acceptability and barriers/facilitators.

Ethics and dissemination

Ethical approval for this study was obtained by the Western University Health Sciences Research Ethics Board (REB# 123902). Dissemination plans include sharing of trial findings at conferences and through open access publications and patient/community channels.

Trial registration number

NCT06156176

Insights and interventions for improving cultural humility towards Asian American, Native Hawaiian and Pacific Islander populations in medical curricula: a qualitative case study

Por: Cai · C. · Kong · S. · Im · C. · Mondell · E. · Le · T. K. · Irvin · N. · Lawson · S. M.
Objectives

The Asian American, Native Hawaiian and Pacific Islander (AANHPI) community is the fastest-growing racial/ethnic population in the USA. Previous research identified that medical students perceived a lack of exposure to AANHPI patients and topics in medical school curricula; however, there remains a lack of potential interventions to address this need. The goal of our study is to present a case study for identifying interventions in medical school curricula that improve cultural humility-based training for providing medical care for AANHPI populations.

Design

In this qualitative study, authors conducted four virtual focus groups with 15 medical students at a single institution to identify curricular interventions. The authors then conducted virtual semistructured interviews with eight medical educators one-on-one to explore the feasibility of the proposed interventions. Data were analysed using qualitative thematic analysis, and analysis was performed with ATLAS.ti.

Setting

Medical students and medical educators based at medical institutions in the USA.

Participants

15 medical students and eight medical educators participated in the study.

Results

All medical students (n=15) and educators (n=8) noted that there is limited engagement of AANHPI communities in current medical curricula and limited curricular components that address the diversity within the AANHPI umbrella. Medical student focus groups identified three interventions to improve cultural humility-based training for treating AANHPI patients: reflection spaces, community engagement and clinical training on documenting cultural needs. Educators supported the feasibility and importance of these interventions to prepare students to work with not only AANHPI patients but also with patients of other diverse backgrounds.

Conclusion

AANHPIs represent a heterogeneous population consisting of unique cultural heritages. Our research demonstrates the importance of highlighting this community in cultural humility curricula to provide an example of how to consider and appreciate diversity in patient populations. In this paper, we present student and medical educator-supported curricular interventions that not only increase awareness of issues impacting AANHPI communities, but also emphasise building skills of self-reflection, lifelong learning and empathy that are applicable to patients of all backgrounds.

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