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Are elderly patients with suspected HF misdiagnosed?: a primary health care center study
Umeå universitet, Medicinska fakulteten, Institutionen för folkhälsa och klinisk medicin, Medicin. Department of Medicine, Skellefteå County Hospital.
Heimdall Vårdcentral, Skellefteå.
Umeå universitet, Medicinska fakulteten, Institutionen för folkhälsa och klinisk medicin, Medicin. Department of Medicine, Skellefteå County Hospital; HeartNet, Skeria.
2007 (engelsk)Inngår i: Cardiology, ISSN 0008-6312, E-ISSN 1421-9751, Vol. 107, nr 4, s. 226-32Artikkel i tidsskrift (Fagfellevurdert) Published
Abstract [en]

Background: Few studies are published on heart failure patients in primary health care, in elderly in advanced age. Objective: The purpose of this study was to examine the accuracy of the diagnosis of heart failure in all men and women with focus on age and gender. Methods: The patients were recruited from one selected primary health care in the city of Skellefteå, Sweden. The general practitioners included all patients who had symptoms and signs indicating heart failure. The patients were then referred for an echocardiographic examination and a final cardiology consultation. Results: The general practitioners identified 121 women and 49 men with suspected heart failure of whom 39% (51 women and 16 men) were above 80 years. Women were significantly older than men (mean age 78 and 75 years, respectively, p = 0.03). The main symptom was dyspnoea (80%). Confirmed heart failure was verified in 45% of the patients and was significantly more common in men than women (p = 0.02). Of all men and women above 80 years, 75% and 22%, respectively (p = 0.01) had a verified systolic heart failure, while there were no significant gender differences in patients younger than 80. In a multivariate regression analysis taking gender, age, smoking, atrial fibrillation, hypertension, angina, myocardial infarction and diabetes into account, myocardial infarction (OR = 4.3, CL = 1.8–10.6) hypertension (OR = 3.4, CI = 1.6–6.9) atrial fibrillation (OR = 2.8, CL = 1.0–7.9) remained significantly predictive of a confirmed diagnosis of heart failure. Conclusion: This study showed the difficulty of diagnosing heart failure accurately based only on clinical symptoms, especially in women above 80 years.

sted, utgiver, år, opplag, sider
2007. Vol. 107, nr 4, s. 226-32
Emneord [en]
heart failure, primary health care, elderly, gender, echocardiography
HSV kategori
Identifikatorer
URN: urn:nbn:se:umu:diva-15385DOI: 10.1159/000095422ISI: 000242210400002PubMedID: 16946601OAI: oai:DiVA.org:umu-15385DiVA, id: diva2:155057
Tilgjengelig fra: 2007-07-05 Laget: 2007-07-05 Sist oppdatert: 2018-06-09bibliografisk kontrollert
Inngår i avhandling
1. Heart failure in elderly with focus on diagnosis and prognosis
Åpne denne publikasjonen i ny fane eller vindu >>Heart failure in elderly with focus on diagnosis and prognosis
2015 (engelsk)Doktoravhandling, med artikler (Annet vitenskapelig)
Abstract [en]

Background: Patients older than 75 years with heart failure (HF) are at increased risk for mortality and hospital admissions. Echocardiography and brain natriuretic peptides (BNP, NTproBNP) are important diagnostic tools but sparsely evaluated in elderly PHC patients. Aims: Validate the clinical diagnosis of HF, investigate the types of HF and underlying cardiovascular disorders with focus on sex and age differences. Explore the sensitivity, specificity, negative and positive predictive values (NPV, PPV) of BNP and NT-proBNP in patients with systolic HF. Study the associations of HF or NTproBNP on all-cause and cardiovascular mortality. Study the prognostic value of different biomarkers and HF, on all-cause and cardiovascular hospitalizations. Methods: Patients with suspected HF were recruited from one selected PHC and registered on a prespecified record and referred for an echocardiographic examination and a final cardiologist consultation. Blood samples for natriuretic peptides were stored frozen at – 70° C. Death certificates were used to register all-cause mortality and cardiovascular mortality. To register hospitalisations, medical records were used and classification was defined according to ICD-10. Results The GPs identified 121 women and 49 men with suspected HF of whom 39% (51 women and 16 men) were above 80 years. Myocardial infarction (OR:4,3 CL: 1,8-10,6) hypertension (OR:3,4 CI:1,6-6,9) atrial fibrillation (OR:2,8 CL:1,0-7,9) predicted a confirmed diagnosis of HF. Confirmed HF was verified in 45% of the patients and was significantly more common in men than women (p=0,02). The best NPV was 88 % for NT-proBNP (200 ng/L) and 87 % for BNP (20 pg/ml). Age and male gender were independently associated with higher levels of NT-proBNP. During the 10-year follow up, 71 out of 144 patients died. In univariate Cox regression analysis, significant associations were found for overall HF (hazard ratio [HR]: 1.86; 95% confidence interval [CI]:1.15- 3.01), isolated systolic HF (HR:1.95; 95% CI:1.06-3.61), and combined (systolic and diastolic) HF (HR:3.28; 95% CI:1.74-6.14) with all-cause mortality, but not for isolated diastolic HF. In multivariable analysis, age (HR: 1.11; 95% CI: 1.06-1.17), kidney dysfunction (HR:1.91; 95% CI:1.11- 3.29), smoking (HR:3.70; 95% CI:2.02-6.77), and NTproBNP (HR:1.01; 95% CI:1.00-1.02), but not any type of HF, significantly predicted all-cause mortality. During ten years, 136 (80%) patients were hospitalised with 660 and 207 for all-cause and cardiovascular hospitalisations, respectively. Age (OR:1.1; 95% CI:1.01-1.15) and underlying heart disease (OR:3.5; 95% CI:1.00-11.89), significantly predicted all-cause hospitalisation. Overall HF (HR:1.8; 95% CI:1.06-2.94) significantly predicted time to first all-cause hospitalisations. For cardiovascular hospitalisations age (OR:1.1;95%CI:1.01-1.12), underlying heart disease (OR:3.4;95%CI:1.04-11.40) and NTproBNP ≥800 ng/L (OR:4,3;95%CI:1.5-12.50) were significant predictors. Conclusion: A confirmed diagnosis of HF was present in 45% of the patients. NPV was high, but not as high as in younger patients with HF. Patients with systolic HF had a higher mortality than patients with diastolic HF compared to patients with no HF. Patients with combined HF were at even higher risk for all-cause mortality and cardiovascular mortality. Age, kidney dysfunction, NTproBNP and smoking predicted mortality. Age and underlying heart diseases were predictors for all-cause hospitalisations and together with NTproBNP they also predicted cardiovascular hospitalisations.

sted, utgiver, år, opplag, sider
Umeå: Umeå universitet, 2015. s. 93
Serie
Umeå University medical dissertations, ISSN 0346-6612 ; 1723
Emneord
elderly, chronic heart failure, primary health care, natriuretic peptides, prognosis, mortality, hospitalisation
HSV kategori
Identifikatorer
urn:nbn:se:umu:diva-102571 (URN)978-91-7601-275-8 (ISBN)
Disputas
2015-05-29, Forumsalen, Campus Skellefteå, Skellefteå, 13:00 (svensk)
Opponent
Veileder
Tilgjengelig fra: 2015-05-08 Laget: 2015-04-28 Sist oppdatert: 2018-06-07bibliografisk kontrollert

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