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Incidence of hepatitis-C among HIV infected men who have sex with men (MSM) attending a sexual health service: a cohort study.

Gamage DG, Read TR, Bradshaw CS, Hocking JS, Howley K, Chen MY, Fairley CK - BMC Infect. Dis. (2011)

Bottom Line: The overall incidence of HCV among HIV-infected MSM was 0.9/100 PY (95% CI 0.6-1.2).The incidence among HIV-infected IDU was 4.7/100 PY (95% CI 2.7-7.5) while the incidence among HIV-infected non-IDU was 0.6/100 PY (95% CI 0.4-0.8) (hazard ratio of 8.7 and 95% CI 4.6-16.6, P < 0.001).The majority (78%) were tested for HCV because they developed abnormal liver transaminases (n = 31) or hepatitis symptoms (n = 2), while others (n = 7) were identified through routine HCV testing.A considerable proportion of HIV-positive MSM who did not inject drugs contracted HCV, presumably via sexual transmission and the main trigger for investigation was abnormal liver transaminases.

View Article: PubMed Central - HTML - PubMed

Affiliation: Melbourne Sexual Health Centre, Alfred Hospital, Melbourne, Australia.

ABSTRACT

Background: We aimed to determine the incidence of Hepatitis C (HCV) infection among HIV-infected men who have sex with men (MSM) attending a Sexual Health Centre.

Methods: A retrospective cohort study was carried out among HIV-infected MSM seen at least once between February 2002 and March 2010. The analysis was restricted to MSM who had had a negative HCV antibody test at least 6 months after their diagnosis for HIV. Duration of follow up was taken from the date of HIV diagnosis to the first positive or last negative HCV antibody test.

Results: During the time 1445 HIV-infected men attended the clinic of whom 1065 (74%) were MSM. Of these, 869 (82%) were tested for HCV at any time after HIV diagnosis. Of these 869, 69% (620) tested HCV negative at least 6 months after their HIV diagnosis. These 620 men had a mean age of 34 years (range 17-72) at HIV diagnosis and a total of 4,359 person years (PY) of follow up. There were 40 incident cases of HCV, of which 16 were in injecting drug users (IDU) and 24 in non-IDU. The overall incidence of HCV among HIV-infected MSM was 0.9/100 PY (95% CI 0.6-1.2). The incidence among HIV-infected IDU was 4.7/100 PY (95% CI 2.7-7.5) while the incidence among HIV-infected non-IDU was 0.6/100 PY (95% CI 0.4-0.8) (hazard ratio of 8.7 and 95% CI 4.6-16.6, P < 0.001).The majority (78%) were tested for HCV because they developed abnormal liver transaminases (n = 31) or hepatitis symptoms (n = 2), while others (n = 7) were identified through routine HCV testing.

Conclusion: A considerable proportion of HIV-positive MSM who did not inject drugs contracted HCV, presumably via sexual transmission and the main trigger for investigation was abnormal liver transaminases.

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Kaplan-Meier analysis of contraction of Hepatitis C among HIV positive MSM, comparing IDU and non-IDU. IDU = injecting drug use. Cum Survival = Cumulative survival. Because the three IDU with the longest follow up became infected with HCV, the figure gives the impression that all IDU became infected when in fact only 16 of 39 acquired HCV infection
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Figure 2: Kaplan-Meier analysis of contraction of Hepatitis C among HIV positive MSM, comparing IDU and non-IDU. IDU = injecting drug use. Cum Survival = Cumulative survival. Because the three IDU with the longest follow up became infected with HCV, the figure gives the impression that all IDU became infected when in fact only 16 of 39 acquired HCV infection

Mentions: The Kaplan Meier curves are shown in Figure 2, and there is a significant difference in survival curves between the two groups. (P < 0.001) of IDU and non-IDU. Because the three IDU with the longest follow up became infected with HCV, the figure gives the impression that all IDU became infected when in fact only 16 of 39 acquired HCV infection.


Incidence of hepatitis-C among HIV infected men who have sex with men (MSM) attending a sexual health service: a cohort study.

Gamage DG, Read TR, Bradshaw CS, Hocking JS, Howley K, Chen MY, Fairley CK - BMC Infect. Dis. (2011)

Kaplan-Meier analysis of contraction of Hepatitis C among HIV positive MSM, comparing IDU and non-IDU. IDU = injecting drug use. Cum Survival = Cumulative survival. Because the three IDU with the longest follow up became infected with HCV, the figure gives the impression that all IDU became infected when in fact only 16 of 39 acquired HCV infection
© Copyright Policy - open-access
Related In: Results  -  Collection

License
Show All Figures
getmorefigures.php?uid=PMC3040713&req=5

Figure 2: Kaplan-Meier analysis of contraction of Hepatitis C among HIV positive MSM, comparing IDU and non-IDU. IDU = injecting drug use. Cum Survival = Cumulative survival. Because the three IDU with the longest follow up became infected with HCV, the figure gives the impression that all IDU became infected when in fact only 16 of 39 acquired HCV infection
Mentions: The Kaplan Meier curves are shown in Figure 2, and there is a significant difference in survival curves between the two groups. (P < 0.001) of IDU and non-IDU. Because the three IDU with the longest follow up became infected with HCV, the figure gives the impression that all IDU became infected when in fact only 16 of 39 acquired HCV infection.

Bottom Line: The overall incidence of HCV among HIV-infected MSM was 0.9/100 PY (95% CI 0.6-1.2).The incidence among HIV-infected IDU was 4.7/100 PY (95% CI 2.7-7.5) while the incidence among HIV-infected non-IDU was 0.6/100 PY (95% CI 0.4-0.8) (hazard ratio of 8.7 and 95% CI 4.6-16.6, P < 0.001).The majority (78%) were tested for HCV because they developed abnormal liver transaminases (n = 31) or hepatitis symptoms (n = 2), while others (n = 7) were identified through routine HCV testing.A considerable proportion of HIV-positive MSM who did not inject drugs contracted HCV, presumably via sexual transmission and the main trigger for investigation was abnormal liver transaminases.

View Article: PubMed Central - HTML - PubMed

Affiliation: Melbourne Sexual Health Centre, Alfred Hospital, Melbourne, Australia.

ABSTRACT

Background: We aimed to determine the incidence of Hepatitis C (HCV) infection among HIV-infected men who have sex with men (MSM) attending a Sexual Health Centre.

Methods: A retrospective cohort study was carried out among HIV-infected MSM seen at least once between February 2002 and March 2010. The analysis was restricted to MSM who had had a negative HCV antibody test at least 6 months after their diagnosis for HIV. Duration of follow up was taken from the date of HIV diagnosis to the first positive or last negative HCV antibody test.

Results: During the time 1445 HIV-infected men attended the clinic of whom 1065 (74%) were MSM. Of these, 869 (82%) were tested for HCV at any time after HIV diagnosis. Of these 869, 69% (620) tested HCV negative at least 6 months after their HIV diagnosis. These 620 men had a mean age of 34 years (range 17-72) at HIV diagnosis and a total of 4,359 person years (PY) of follow up. There were 40 incident cases of HCV, of which 16 were in injecting drug users (IDU) and 24 in non-IDU. The overall incidence of HCV among HIV-infected MSM was 0.9/100 PY (95% CI 0.6-1.2). The incidence among HIV-infected IDU was 4.7/100 PY (95% CI 2.7-7.5) while the incidence among HIV-infected non-IDU was 0.6/100 PY (95% CI 0.4-0.8) (hazard ratio of 8.7 and 95% CI 4.6-16.6, P < 0.001).The majority (78%) were tested for HCV because they developed abnormal liver transaminases (n = 31) or hepatitis symptoms (n = 2), while others (n = 7) were identified through routine HCV testing.

Conclusion: A considerable proportion of HIV-positive MSM who did not inject drugs contracted HCV, presumably via sexual transmission and the main trigger for investigation was abnormal liver transaminases.

Show MeSH
Related in: MedlinePlus