Impact of the ALLHAT/JNC7 dissemination project on thiazide-type diuretic use

Randall S. Stafford, L. Kay Bartholomew, William Cushman, Jeffrey A. Cutler, Barry R. Davis, Glenna Dawson, Paula T. Einhorn, Curt D. Furberg, Linda B. Piller, Sara L. Pressel, Paul K. Whelton

Research output: Contribution to journalArticle

32 Citations (Scopus)

Abstract

Background: Strategies are needed to improve the translation of clinical trial results into practice. We assessed the impact of the ALLHAT/JNC7 Dissemination Project's academic detailing component on thiazide-type diuretic prescribing (ALLHAT indicates Antihypertensive and Lipid-Lowering Treatment to Prevent Heart Attack Trial; JNC7 indicates the Seventh Report of the Joint National Committee on Detection, Evaluation, and Treatment of High Blood Pressure). Methods: We used 2 national databases available from IMS Health: a physician survey of medications reported for hypertension and a pharmacy dispensing database on antihypertensive medications. At a county level, we correlated medication data with Dissemination Project intensity. Practices before the Dissemination Project in 2004 were compared with those after its completion in 2007. We also examined 2000-2008 national trends. Results: Academic detailing reached 18 524 physicians in 1698 venues via 147 investigator-educators. We noted an association between ALLHAT/JNC7 academic detailing activities and increased prescribing of thiazide-type diuretics. Physician survey data showed that the percentage of hypertension visits where the physician recorded a thiazide-type diuretic increased the most in counties where academic detailing activity was the highest (an increase of 8.6%, from 37.9% to 46.5%) compared with counties where activity was moderate (an increase of 2%) or low (a decrease of 2%), or where there was none (an increase of 2%; P value for trend, <.05). Pharmacy dispensing data showed that thiazide-type diuretic prescribing increased by 8.7% in counties with Dissemination Project activities compared with 3.9% in those without activities (P<.001). Nationally, thiazide-type diuretic use did not increase between 2004 and 2008. Conclusions: The ALLHAT/JNC7 Dissemination Project was associated with a small effect on thiazide-type diuretic use consistent with its small dose and the potential of external factors to diminish its impact. Academic detailing may increase physicians' implementation of clinical trial results, thereby making prescribing more consistent with evidence.

Original languageEnglish (US)
Pages (from-to)851-858
Number of pages8
JournalArchives of Internal Medicine
Volume170
Issue number10
DOIs
StatePublished - May 24 2010

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Sodium Chloride Symporter Inhibitors
Physicians
Hypertension
Antihypertensive Agents
Clinical Trials
Databases
Myocardial Infarction
Research Personnel
Lipids
Health
Therapeutics

All Science Journal Classification (ASJC) codes

  • Internal Medicine

Cite this

Stafford, R. S., Bartholomew, L. K., Cushman, W., Cutler, J. A., Davis, B. R., Dawson, G., ... Whelton, P. K. (2010). Impact of the ALLHAT/JNC7 dissemination project on thiazide-type diuretic use. Archives of Internal Medicine, 170(10), 851-858. https://doi.org/10.1001/archinternmed.2010.130

Impact of the ALLHAT/JNC7 dissemination project on thiazide-type diuretic use. / Stafford, Randall S.; Bartholomew, L. Kay; Cushman, William; Cutler, Jeffrey A.; Davis, Barry R.; Dawson, Glenna; Einhorn, Paula T.; Furberg, Curt D.; Piller, Linda B.; Pressel, Sara L.; Whelton, Paul K.

In: Archives of Internal Medicine, Vol. 170, No. 10, 24.05.2010, p. 851-858.

Research output: Contribution to journalArticle

Stafford, RS, Bartholomew, LK, Cushman, W, Cutler, JA, Davis, BR, Dawson, G, Einhorn, PT, Furberg, CD, Piller, LB, Pressel, SL & Whelton, PK 2010, 'Impact of the ALLHAT/JNC7 dissemination project on thiazide-type diuretic use', Archives of Internal Medicine, vol. 170, no. 10, pp. 851-858. https://doi.org/10.1001/archinternmed.2010.130
Stafford, Randall S. ; Bartholomew, L. Kay ; Cushman, William ; Cutler, Jeffrey A. ; Davis, Barry R. ; Dawson, Glenna ; Einhorn, Paula T. ; Furberg, Curt D. ; Piller, Linda B. ; Pressel, Sara L. ; Whelton, Paul K. / Impact of the ALLHAT/JNC7 dissemination project on thiazide-type diuretic use. In: Archives of Internal Medicine. 2010 ; Vol. 170, No. 10. pp. 851-858.
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abstract = "Background: Strategies are needed to improve the translation of clinical trial results into practice. We assessed the impact of the ALLHAT/JNC7 Dissemination Project's academic detailing component on thiazide-type diuretic prescribing (ALLHAT indicates Antihypertensive and Lipid-Lowering Treatment to Prevent Heart Attack Trial; JNC7 indicates the Seventh Report of the Joint National Committee on Detection, Evaluation, and Treatment of High Blood Pressure). Methods: We used 2 national databases available from IMS Health: a physician survey of medications reported for hypertension and a pharmacy dispensing database on antihypertensive medications. At a county level, we correlated medication data with Dissemination Project intensity. Practices before the Dissemination Project in 2004 were compared with those after its completion in 2007. We also examined 2000-2008 national trends. Results: Academic detailing reached 18 524 physicians in 1698 venues via 147 investigator-educators. We noted an association between ALLHAT/JNC7 academic detailing activities and increased prescribing of thiazide-type diuretics. Physician survey data showed that the percentage of hypertension visits where the physician recorded a thiazide-type diuretic increased the most in counties where academic detailing activity was the highest (an increase of 8.6{\%}, from 37.9{\%} to 46.5{\%}) compared with counties where activity was moderate (an increase of 2{\%}) or low (a decrease of 2{\%}), or where there was none (an increase of 2{\%}; P value for trend, <.05). Pharmacy dispensing data showed that thiazide-type diuretic prescribing increased by 8.7{\%} in counties with Dissemination Project activities compared with 3.9{\%} in those without activities (P<.001). Nationally, thiazide-type diuretic use did not increase between 2004 and 2008. Conclusions: The ALLHAT/JNC7 Dissemination Project was associated with a small effect on thiazide-type diuretic use consistent with its small dose and the potential of external factors to diminish its impact. Academic detailing may increase physicians' implementation of clinical trial results, thereby making prescribing more consistent with evidence.",
author = "Stafford, {Randall S.} and Bartholomew, {L. Kay} and William Cushman and Cutler, {Jeffrey A.} and Davis, {Barry R.} and Glenna Dawson and Einhorn, {Paula T.} and Furberg, {Curt D.} and Piller, {Linda B.} and Pressel, {Sara L.} and Whelton, {Paul K.}",
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AU - Cutler, Jeffrey A.

AU - Davis, Barry R.

AU - Dawson, Glenna

AU - Einhorn, Paula T.

AU - Furberg, Curt D.

AU - Piller, Linda B.

AU - Pressel, Sara L.

AU - Whelton, Paul K.

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N2 - Background: Strategies are needed to improve the translation of clinical trial results into practice. We assessed the impact of the ALLHAT/JNC7 Dissemination Project's academic detailing component on thiazide-type diuretic prescribing (ALLHAT indicates Antihypertensive and Lipid-Lowering Treatment to Prevent Heart Attack Trial; JNC7 indicates the Seventh Report of the Joint National Committee on Detection, Evaluation, and Treatment of High Blood Pressure). Methods: We used 2 national databases available from IMS Health: a physician survey of medications reported for hypertension and a pharmacy dispensing database on antihypertensive medications. At a county level, we correlated medication data with Dissemination Project intensity. Practices before the Dissemination Project in 2004 were compared with those after its completion in 2007. We also examined 2000-2008 national trends. Results: Academic detailing reached 18 524 physicians in 1698 venues via 147 investigator-educators. We noted an association between ALLHAT/JNC7 academic detailing activities and increased prescribing of thiazide-type diuretics. Physician survey data showed that the percentage of hypertension visits where the physician recorded a thiazide-type diuretic increased the most in counties where academic detailing activity was the highest (an increase of 8.6%, from 37.9% to 46.5%) compared with counties where activity was moderate (an increase of 2%) or low (a decrease of 2%), or where there was none (an increase of 2%; P value for trend, <.05). Pharmacy dispensing data showed that thiazide-type diuretic prescribing increased by 8.7% in counties with Dissemination Project activities compared with 3.9% in those without activities (P<.001). Nationally, thiazide-type diuretic use did not increase between 2004 and 2008. Conclusions: The ALLHAT/JNC7 Dissemination Project was associated with a small effect on thiazide-type diuretic use consistent with its small dose and the potential of external factors to diminish its impact. Academic detailing may increase physicians' implementation of clinical trial results, thereby making prescribing more consistent with evidence.

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