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A prospective evaluation of the feasibility and utility of additional tools to obtain information from recently diagnosed HIV infected patients


Daneel, S; Schüpbach, J; Gebhardt, M; Werner, M; Staub, R; Vernazza, P (2008). A prospective evaluation of the feasibility and utility of additional tools to obtain information from recently diagnosed HIV infected patients. Swiss Medical Weekly, 138(31-32):453-458.

Abstract

QUESTION UNDER STUDY: Can additional information be obtained from recently HIV diagnosed individuals? METHODS: A 1-year prospective Swiss study, including all newly diagnosed HIV-infected patients. Information on circumstances of HIV infection was collected through physician- and patient questionnaires and patient interviews. Information on timing of infection was linked with an HIV-antibody avidity assay. RESULTS: Of 710 newly HIV diagnosed patients, 543 (76%) physician questionnaires (PhyQ) and 145 (20%) patient questionnaires (PaQ) were returned. PhyQ required fewer reminders (57% vs 28% spontaneous return). Patients whose doctors had returned the PhyQ were comparable to total population group. In contrast, a strong bias towards well educated recently infected Swiss men having sex with men (MSM) was seen in patients returning PaQ or agreeing to an interview. 83% of patients claimed that they knew the infection source and 85% infection place. Unprotected sexual contact was the most frequently cited infection source (92%; n = 404). Men mainly claimed occasional (43%) and women steady (61%) partners as the most likely source of HIVinfection. Serum for timing of infection was available in 98% of patients. Recent infections (RI) were highest in MSM (51%) and intravenous drug users (IDU, 54%). Compared to women, heterosexual men were more than twice as likely to be diagnosed with a RI. CONCLUSION: Relevant additional information on circumstances of HIV infection in newly diagnosed patients can easily be collected from treating physicians. Collecting information from patients is not a feasible option, with the exception of qualitative interviews in a selected group of patients.

QUESTION UNDER STUDY: Can additional information be obtained from recently HIV diagnosed individuals? METHODS: A 1-year prospective Swiss study, including all newly diagnosed HIV-infected patients. Information on circumstances of HIV infection was collected through physician- and patient questionnaires and patient interviews. Information on timing of infection was linked with an HIV-antibody avidity assay. RESULTS: Of 710 newly HIV diagnosed patients, 543 (76%) physician questionnaires (PhyQ) and 145 (20%) patient questionnaires (PaQ) were returned. PhyQ required fewer reminders (57% vs 28% spontaneous return). Patients whose doctors had returned the PhyQ were comparable to total population group. In contrast, a strong bias towards well educated recently infected Swiss men having sex with men (MSM) was seen in patients returning PaQ or agreeing to an interview. 83% of patients claimed that they knew the infection source and 85% infection place. Unprotected sexual contact was the most frequently cited infection source (92%; n = 404). Men mainly claimed occasional (43%) and women steady (61%) partners as the most likely source of HIVinfection. Serum for timing of infection was available in 98% of patients. Recent infections (RI) were highest in MSM (51%) and intravenous drug users (IDU, 54%). Compared to women, heterosexual men were more than twice as likely to be diagnosed with a RI. CONCLUSION: Relevant additional information on circumstances of HIV infection in newly diagnosed patients can easily be collected from treating physicians. Collecting information from patients is not a feasible option, with the exception of qualitative interviews in a selected group of patients.

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Additional indexing

Item Type:Journal Article, refereed, original work
Communities & Collections:04 Faculty of Medicine > Institute of Medical Virology
Dewey Decimal Classification:570 Life sciences; biology
610 Medicine & health
Language:English
Date:9 August 2008
Deposited On:03 Sep 2008 09:40
Last Modified:05 Apr 2016 12:26
Publisher:EMH Swiss Medical Publishers
ISSN:0036-7672
Additional Information:Free full text article
Official URL:http://www.smw.ch/docs/pdf200x/2008/31/smw-12007.pdf
Related URLs:http://www.smw.ch/dfe/set_archiv.asp?target=2008/31/smw-12007 (Publisher)
PubMed ID:18690558
Permanent URL: http://doi.org/10.5167/uzh-3370

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