Mostrando las entradas con la etiqueta hypertension. Mostrar todas las entradas
Mostrando las entradas con la etiqueta hypertension. Mostrar todas las entradas

03 junio, 2013

Waste and Harm in the treatment of mild Hypertension

The 2012 Cochrane Review on “Pharmacotherapy for Mild Hypertension”1 concluded that antihypertensive drugs used in the treatment of otherwise healthy adults with mild hypertension (systolic blood pressure [BP], 140-159 mm Hg, and/or diastolic BP, 90-99 mm Hg) have not been shown to reduce mortality or morbidity in randomized clinical trials. Will this landmark conclusion affect clinical practice and slow the inexorable expansion of disease categories? It certainly should because overdiagnosis and overtreatment are potent causes of both waste and harm and seem to be operating in the interests of the pharmaceutical industry rather than in those of the patients whom the industry claims to serve.

Iona Heath, MA, MB, BCh. 
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31 mayo, 2013

Diabetic Patients with Uncontrolled Blood Pressure

Eve A. Kerr, MD, MPH; Brian J. Zikmund-Fisher, PhD; Mandi L. Klamerus, MPH; Usha Subramanian, MD, MS; Mary M. Hogan, PhD, RN; and Timothy P. Hofer, MD, MS
Ann Intern Med. 2008;148(10):717-727. doi:10.7326/0003-4819-148-10-200805200-00004
Editors' Notes

Context


Contribution


  • This study involved 1169 diabetic patients seen by 92 primary care providers at 9 Veterans Affairs facilities. All had elevated triage blood pressures, but only half received antihypertensive treatment intensification by providers. Patient reports of home blood pressures or repeated blood pressures by providers within normal limits and discussion of medication issues decreased the likelihood of antihypertensive intensification at clinic visits.
Implication


  • Uncertainty about true blood pressure values may underlie many reasons why physicians do not intensify antihypertensive therapy.

—The Editors


Despite some recent improvements in blood pressure control, the number of patients with inadequate control remains high and contributes to excess morbidity and mortality, especially among patients at high risk from complications of hypertension (1 - 8). Several studies have suggested that “clinical inertia”—the failure by providers to initiate or intensify therapy (medication intensification) in the face of apparent need to do so—is a main contributor to poor control of hypertension (9 - 12).



Although the failure to intensify treatment medications for patients with elevated blood pressures at visits has been well documented ((5 - 6), (12 - 18)), factors underlying what seems to be clinical inertia have been studied less systematically. When providers are queried after clinic visits about the lack of medication intensification for elevated blood pressure, they variously report that the patient's “true” blood pressure was lower than the clinic blood pressure reading, that other patient concerns precluded attention on blood pressure management, and that patient adherence should be improved before medication intensification ((6), (17)). Some studies have examined the role of various clinical and patient factors in intensification decisions ((6), (8), (17), (19 - 20)), but no study has used a detailed conceptual model to comprehensively examine the relative contribution of a broad array of potential patient, provider, organizational, and visit-specific contributors to a medication intensification decision. In addition, although a frequently cited reason for deferring medication changes is that the clinic blood pressure does not reflect the patient's “true” blood pressure (21 - 22), this clinical uncertainty and its effects have not been explored.



To better understand factors underlying apparent clinical inertia for hypertension, we designed the ABATe (Addressing Barriers to Treatment for Hypertension) study to examine treatment change decisions for diabetic primary care patients with elevated triage blood pressures before a primary care visit. We defined elevated blood pressure for this population to be 140/90 mm Hg, a value well above guideline targets for diabetic patients and one clearly requiring some type of action (4). Our goals were to assess how often patients presenting with an elevated triage blood pressure received medication intensification or were scheduled for close follow-up and the role that clinical uncertainty about blood pressure, competing demands and prioritization, medication-related factors, and care organization play in treatment change decisions.
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27 mayo, 2013

Derroche y daño en el tratamiento de la hipertensión leve / Iona Heath

Fuente: Estan cambiando los tiempos
Autor: Miguel Pizzanelli


The 2012 Cochrane Review on “Pharmacotherapy for Mild Hypertension” concluded that antihypertensive drugs used in the treatment of otherwise healthy adults with mild hypertension (systolic blood pressure [BP], 140-159 mm Hg, and/or diastolic BP, 90-99 mm Hg) have not been shown to reduce mortality or morbidity in randomized clinical trials. Will this landmark conclusion affect clinical practice and slow the inexorable expansion of disease categories? It certainly should because overdiagnosis and overtreatment are potent causes of both waste and harm and seem to be operating in the interests of the pharmaceutical industry rather than in those of the patients whom the industry claims to serve.

Quien es Iona Heath?
She worked as a GP in London since 1975 and retired 2010. She has held several roles in the Royal College of General Practitioners (RCGP) including chair of the Ethics Committee, the International Committee, and the Health Inequalities Standing Group. She was vice chair of the college and in 2009 was elected college president. She chaired the BMJ Ethics Committee 2004 to 2009 and writes a regular column for the BMJ.

Sacarse el sombrero con esta señora y luego ponerse a leer y pensar en los excesos que podemos cometer.

Compartiremos con ella el taller sobre Prevención Cuaternaria que coordina Marc Jamoulle en la Conferencia Mundial de WONCA en Praga:
"Quaternary prevention, addressing the limits of medical practice"
authors: M. Jamoulle, G. Tsoi, I. Heath, D. Mangin, M. Z. Pezeshki, M. Pizzanelli Báez, A.L. Silva, J. Bernstein. Presenting author: M. Jamoulle, G. Tsoi, I. Heath, D. Mangin, M.Z. Pezeshki, M. Pizzanelli Báez
Agendado:
Día: 26 de Junio, de 10.30 a 12.00

Para ver artículo:
http://archinte.jamanetwork.com/article.aspx?articleid=1687525
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14 mayo, 2013

Effects of a new hormone therapy, drospirenone and 17-beta-estradiol, in postmenopausal women with hypertension.

English: Blood pressure measurement.
English: Blood pressure measurement. (Photo credit: Wikipedia)
Hypertension. 2006 Aug;48(2):246-53. Epub 2006 Jun 26.

Effects of a new hormone therapy, drospirenone and 17-beta-estradiol, in postmenopausal women with hypertension.

Source

Division of Hypertension and Clinical Pharmacology, The Pat and Jim Calhoun Cardiology Center, University of Connecticut School of Medicine, 263 Farmington Ave, Farmington, CT 06030-3940, USA. wwhite@nso1.uchc.edu

Abstract

Drospirenone (DRSP), a progestin with antialdosterone activity, has been developed for hormone therapy in combination with 17-beta-estradiol (E2) in postmenopausal women. We evaluated the antihypertensive efficacy and safety of various doses of DRSP and E2 and estradiol alone in postmenopausal women with hypertension using ambulatory and clinic blood pressure (BP) monitoring. This was a randomized, double-blind clinical trial of 3 doses of DRSP combined with estradiol, estradiol alone, and placebo in 750 postmenopausal women with stage 1 to 2 hypertension between 45 to 75 years. Ambulatory and clinic BPs, potassium, aldosterone, and lipid measurements and adverse events were evaluated in postmenopausal women with stages 1 to 2 hypertension during 8 weeks of double-blind therapy. DRSP and E2 induced dose-related reductions in the ambulatory and clinic systolic BP with physiological increases in serum aldosterone. Significant decreases in 24-hour systolic pressure were observed at doses of 2 and 3 mg of DRSP combined with estradiol but not by estradiol alone or 1 mg of DRSP with estradiol. There were no significant changes from baseline in potassium in any treatment group. Small, significant reductions in total and low-density lipoprotein cholesterol occurred on all of the active treatments, and serum triglycerides did not change. Adverse event rates were low and similar across treatment groups. In conclusion, these data show that DRSP combined with E2 significantly reduces BP in postmenopausal women with hypertension and did not induce significant increases in serum potassium. These characteristics may lead to a new benefit for this novel hormone therapy in postmenopausal women with hypertension.

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