rivka: (Rivka P.I.)
Lydia and I got invited to come to the clinic where we do our research and present our data to the staff. That was this morning. When it was my turn, I introduced the basic concepts underlying my study, focusing on the HIV conspiracy beliefs because that's what I already have data on.

"Conspiracy theories have been found to be common in the general African-American population," I finished, "but no one has ever looked at whether patients in treatment have conspiracy beliefs. I think the assumption has been that once people are diagnosed and come into treatment, we give them education, they talk to their doctor, and they adopt accurate beliefs about HIV. But no one has ever checked to be sure that's what happens, until my study."

Then, before I put up my preliminary results slide, I asked them how many clinic patients they thought would endorse conspiracy theories.

"I have some patients," said one of the nurse practitioners.

"How many?" I asked her. "Five percent? Fifty percent?"

"No, no, just a few."

The nurse manager chimed in. "Early in the epidemic, I would say a lot of people. But not that many anymore."

I put up the results slide. There was a brief silence. Then the clinic's medical director asked quietly,

"This is from our clinic?"

Here's what the slide said. The numbers indicate the percentage of patients who agree or strongly agree.

36.8% The government created HIV.
42.1% A secret cure exists.
43.9% Drug companies don’t want a cure.
21% HIV is a genocidal plot.
22.8% Doctors experiment unfairly on minorities.
17.6% Doctors give experimental treatments without consent.
17.5% HIV does not cause AIDS.

"Okay," I said after I reviewed the results and gave them time to sink in. "Now imagine that you hold these beliefs, and you come to the clinic, and your doctor tells you, 'I want to give you these medicines, and it's okay because they've been approved by the government, and besides, the government is going to pay for them.' "

There was uneasy laughter.

And here's the scary thing: this is probably the best-case scenario, because these are the patients who actually come to clinic. If I surveyed people who aren't connected to care at all, I'm guessing that the numbers would be even higher.

"That was fascinating," said the medical director afterward. She still looked kind of stunned. "You're definitely going to get this published." I'm planning to write it up and submit it to journals this summer, instead of waiting for more data to trickle in. Because, yeah, I think HIV medical providers just have no idea.
rivka: (travel)
We got back from Montreal Sunday night, dirty and exhausted but reasonably pleased. It was a good trip.

As far as the ostensible reason for our trip, the Society of Behavioral Medicine conference, the thing that will pay for my plane ticket and the hotel room and a fair bit of the food: it went surprisingly well. My talk was well-attended and well-received; there were more questions during the question period than I had time to answer, and some people stayed to ask me questions afterward or even approached me later in the exhibit hall. I think I did a good job writing the talk and delivering it, especially considering the circumstances.

Last year I didn't enjoy the SBM program very much. This year, I managed to make it to several great program items. It seemed like there were more interesting options and better HIV representation. I particularly enjoyed a symposium on novel strategies for accessing populations of ethnic-minority men ("So it turns out, in our part of North Carolina, you reach African-American men through the churches, but Latino men, no. And then we found out about the soccer league!"), and a keynote address on using marketing and mass communications to disseminate valid scientific information.

The only thing that's bugging me about SBM right now is that it seems like every year there is more and more of an "obesity epidemic" focus. I was never interested in that topic era to begin with, but now that I've read so much that debunks dieting and obesity panic, I find it irritating. I'm fine with the program items about increasing activity level and consumption of healthy foods, because I think those things have independent health benefits, but I kind of want to go to the weight loss intervention panels and ask politely what the follow-up data looks like five years out.

I managed to see three-quarters of most of the sessions I attended. They were mostly scheduled to be 90 minutes long, and somewhere around the 70-minute mark Colin would start to wake up or make sounds. I was hypersensitive to every noise he made, because at a professional conference Colin is not part of the community and has no independent right to be there. So at the second coo or gurgle we were out the door. We got nothing but friendly looks, though.

The non-conference portions of the trip were just excellent. [livejournal.com profile] papersky always provides visitors with quality entertainment. One major highlight was a free-flying butterflies exhibit at the botanical gardens. Picture a big plant-filled atrium with thousands and thousands of butterflies swarming about - not just common ones, either, but massive South American specimens. I mean, just walking along you'd find yourself flinching away from the most spectacular butterfly you'd ever seen, trying to keep it from flying right into your face. (Also at the Jardin Botanique, a really neat greenhouse filled with "economic" tropical plants - foods, dyes, etc. I never knew what a black pepper plant looked like. Or the source of the ubiquitous xanthan gum. Alex loved that room.)

The other big highlight was a picnic on an island, on the unexpectedly warm and lovely Saturday. We spread blankets under some pines for the shade and found ourselves in the center of an active flock of red-winged blackbirds. A woodchuck ambled back and forth, sometimes as little as twenty feet away. After a delicious lunch, we went into the Biosphere (not to be confused with the Biodome) - a small museum housed in the frame of a giant geodesic dome. The only great exhibit was a water activity room, but that one was really great, so that was just fine. Plus admission was free for Earth Day. Alex had a wonderful time making rivers and pools and channels and sailing boats and walking across water on pontoons and otherwise getting very damp indeed.

Of course, as is the case any time one visits [livejournal.com profile] papersky, we had excellent food. Highlights for me were a Chinese feast the first night, an incredible dim sum spread on Sunday morning, and - oddly enough - the shish kebob dinners we ordered delivered to our hotel room the night that [livejournal.com profile] papersky and [livejournal.com profile] rysmiel had a dinner party to attend. But really, there was only one meal I thought was just so-so, and that time it was clear that I had ordered the wrong thing.

So that was our trip. I think I'll probably write another post about traveling with both kids later.
rivka: (smite)
It's a mean, petty thing, but I confess that I'm kind of looking forward to being able to say "the late Christine Maggiore" when I give my talk on Friday.

(I'm putting up a screenshot from Maggiore's organization's website to illustrate what I mean by "HIV conspiracy theories," in case there are people in the audience who aren't HIV specialists and haven't encountered that stuff before.)

...Huh. I went looking for a link describing Maggiore's death, and found that aidstruth.org obtained a copy of her death certificate, which is public information. She died of disseminated herpes viral infection, bilateral bronchial pneumonia, and oral candadiasis. Conditions you would totally expect to find in a healthy 52-year-old, right? Which is why the denialists are trying to claim that she didn't die of AIDS.

Oh, this all makes me so ill.
rivka: (Rivka P.I.)
...but how to pass up the opportunity?

As part of the economic stimulus package, the Obama administration has set aside $200 million for "challenge grants," two-year NIH research awards that are aimed to hire a bunch of scientists and pump money into the economy. They have to be applied for immediately. (Well, they've been out for a few weeks, but I wasn't really thinking about grants last month.) The application is fairly minimal - you don't have to have "background" and "preliminary studies" sections the way you usually do, just a 12-page argument for what you want to do and why it's important.

The catch is that, whatever your dream research idea, you have to squeeze it so it fits into one of their approved topic areas. I know what I need to do next: take my research about HIV conspiracy theories and develop an intervention to address the problem. It didn't seem to fit into any of the challenge grant topic areas... except that a couple of days ago my RA pointed out that there might be one that kind of, if you cross your eyes a little, sort of fits.

It doesn't cost anything to query, right? Read more... )
rivka: (Rivka P.I.)
Anyone want to read one of my academic papers?

It's co-authored with Lydia, but has a relatively high me:her ratio, and I'm pretty proud of the content.
rivka: (Rivka P.I.)
I'm applying for a program designed to help early-career psychologists develop as independent researchers in the field of HIV and communities of color. One part of the application asks for an honest assessment of the "strengths and weaknesses of the applicant's current capacity" in this area.

I did a little brainstorming, and here's what I came up with off-the-cuff:

Strengths:
Experience
Population access
Clinical acumen with research population
Broad involvement with/knowledge about many research areas within HIV
Communication and writing skills
Cultural competence working with African-Americans
R21 – already funded in this area for an exploratory/developmental grant
Developed research ideas

Weaknesses:
Isolation at my current institution
Weak statistical background
No prior experience in intervention research
White as a freaking piece of paper

...Okay, so maybe that last item shouldn't make it into the final edit of the application. But it's something that I'm acutely aware of, and I'd be kidding myself to say that it won't be a disadvantage. I like to think that I have the skills and awareness to do this work well, and yet.

I wonder how the Great Cultural Appropriation Debate extends to research.
rivka: (for god's sake)
Because AIDS conspiracy theories are part of my grant application, I've been reading a bunch of them. This is very much not my idea of a good time.

I knew, vaguely, that AIDS denialist Christine Maggiore's daughter died of AIDS a couple of years ago. I didn't know the full story - for example, that she hired a toxicologist who is on the "medical advisory board" of her denialist organization (although he's not an M.D. or any other kind of physician) to review the autopsy report and come up with an alternative theory for how the child died.

The guy had a rough time battling with the facts - it's not easy to explain away the fact that the kid's lungs were full of pneumocystis carinii (PCP pneumonia) and her brain was full of p24, the core HIV protein - and in fact, his alternative theory has been exhaustively rebutted by blogger Nick Bennett, who has an MD in pediatrics and a Ph.D. in the molecular biology of HIV. Here's all that Maggiore could come up with as a response:

The blogger, who is well known to us (Nick Bennett) states on his website “I have never recieved funding from any pharmaceutical company that makes HIV antivirals. I do not get and have not ever been paid to do this.” This is true, but it’s cleverly worded to avoid the embarrassing fact (that he admitted to me in an email in December, 2005) that “I was funded, on paper, by Astrazeneca for my PhD”.

Astra Zeneca does not make AIDS drugs, but they have still purchased Nick’s loyalty for pharmaceutical solutions in general. And AstraZeneca probably benefits from AIDS in many other ways, as AIDS patients are generally (over)dosed with a variety of drugs apart from antiretrovirals.


"I can't believe," I said to Michael, "that even after AIDS killed her daughter, she's still clinging so hard to denialism." And then I realized: of course. It makes perfect sense. No matter how far-fetched the theories she has to endorse, no matter how mountainous the evidence on the other side, no matter how the discrepancies mount up, she has to keep believing. Because if she doubts, even for a moment, then she has to accept her responsibility for her child's death.

I told you this wasn't my idea of a good time.

some copied comments on the case. )
rivka: (phrenological head)
Every time I start work on grantwriting, I think about how interesting it would be to document the steps of the process in my LJ, so that people can see how a vague research idea turns into a fully-formed proposal. Every time, it quickly becomes clear that just writing the grant is enough of a monumental energy drain, without adding writing about the grant to the mix. So nothing gets posted because the task just seems to large.

I'm in the middle of preparing an application to the National Institutes of Health, in response to a call for research on how people make decisions about treating a life-threatening illness. I'm proposing to study how people with HIV make decisions about starting anti-retroviral therapy. In particular, I want to combat the ridiculous tendency that medical decision-making research typically has of assuming that it's a purely logical process of weighing risks and threats against benefits. I think that irrational factors often play a critical role in medical decision-making.

One factor I want to examine is the extent to which people have a cynical, suspicious, mistrustful attitude towards HIV research and treatment, and the extent to which they buy into AIDS conspiracy theories. This morning, I've been working on developing a questionnaire to measure those attitudes. I thought I'd go ahead and post my working version of it, to give people a glimpse of what I'm doing. Comments and suggestions are very much welcome. Read more... )
rivka: (Default)
This is the first major finding from our big five-year study of stress, coping, and immune function in HIV. In a previous study, we found that a specific coping pattern - suppression or even total non-recognition of negative emotions, a focus on others' needs rather than one's own, and an outward appearance of being Just Fine - was associated with a decreased immune response to HIV. Now we're trying to (a) replicate that finding with a larger and more carefully-selected sample of patients, and (b) figure out how it works. A major hypothesis is that people with the coping style in question (known as Type C coping) have an abnormal physiological response to stress.

So, as part of our research protocol, we bring patients into the lab and stress them out while we monitor their physiological responses - blood pressure, heart rate, maximal arterial pressure. First, we ask them to tell about a recent situation that made them angry. We help rev up the emotions with our reactions ("My God, I can't believe she said that - that's totally unfair!"). Then we tell them to stop thinking about the angry situation and "make yourself relaxed and calm."

The second half of the stress procedure is a role play. We tell patients to pretend that the experimenter is their doctor, and has prescribed a medicine that's causing terrible side effects. They are to complain about the side effects, amd the experimenter plays the role of the doctor. What we don't tell them: the "doctor" is rude, dismissive, and insulting. ("Oh, for heaven's sake, what is it now? ...You think another medicine would be better for you? Well, when did you go to medical school?") After the role play, again, they're supposed to make themselves relaxed and calm.

What we're finding is that patients who have greater increases in heart rate and blood pressure during the test periods and/or lesser ability to reduce their heart rate and blood pressure in the "make yourself relaxed and calm" recovery period, have a poorer immune response to HIV.

We take samples of the patients' blood and expose it to different antigens - things the immune system ought to defend against. Then we measure the amount of various immune products that are produced in response to the antigen. We're specifically interested in beta-chemokines, which bind to the same receptors on CD4+ (T-helper) cells that HIV needs to bond to, therefore blocking HIV from entering the cell. So when we challenged patients' blood with the core protein of HIV, the ones who had greater cardiovascular reactivity on the stress tests and poorer recovery afterward produced lower amounts of beta-chemokines. this was specific to the HIV antigen - it didn't apply to either of the standard research antigens we used in addition to the core HIV protein.

We still need to work out how this relates to coping, especially the Type C coping style, but it's a fascinating piece of evidence for how stress affects the immune system in people with HIV.
rivka: (her majesty)
Not having a great day here.
this got long. also ugly. )
rivka: (her majesty)
(I know my quoted material in this post is incredibly mean, and I usually try not to stoop to this level. But you wouldn't believe the drivel he posted about HIV, and I had a hard week in the clinic, and I was just not amused.)

From: asfl@freemail.com.au (Thom)
Newsgroups: alt.polyamory
Subject: Re: Joining forces
Date: Fri, 06 Sep 2002 23:44:46 GMT
Organization: Melbourne PC User Group
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Xref: uni-berlin.de alt.polyamory:338465"Thom" <asfl@freemail.com.au> wrote in message news:3d793ab3.2538950@news.melbpc.org.au...

On Thu, 5 Sep 2002 22:32:07 -0400, "Rivka W" <rivka5@comcast.net>
wrote:

>"Thom" <asfl@freemail.com.au> wrote in message
> news:3d77f434.5383115@news.melbpc.org.au...
> >
> > Think to yourself, how many straight people do I know that
> > are HIV positive???
>
> I know hundreds of straight people who are HIV positive. I know at
> least a hundred people for whom heterosexual sex was their primary HIV
> transmission risk factor. I do HIV research and provide mental health
> treatment for HIV positive people for a living.
>
> Just about every word in your post was a lie, including "a" and
> "the."[1] So much so that I can't be arsed going through it line by
> line and explaining how the evidence contradicts you at every turn. I
> know from experience that it doesn't dissuade people like you from
> your dogged determination to believe whatever makes your dick happy.
>
> Rivka

What fundamentalist protestant church are you posting this for??? If
you knew anything but the propaghanda you spout you would see why
there is so little respect for the current right wing position. If
your such a great expert tell us the conclusions about the latest
Australian research in Africa including the circumcision stuff. And
do you also believe you can get the clap from toilet seats??? Tell us
all you know about Hepititus too. Tell us if you think its less or
worse a problem than HIV.

HIV is far from new. Medical records such as they are, from the first
days of Australia give detailed information on who died from what in
the colony and guess what? Over half the records show the same
symptoms as HIV!!

Did you also know that 95% of the so called AIDS victims are NEVER
tested??? As a great expert you know that AIDs or HIV doesn't kill
you, it just lets other things do it. In Africa they are so poor they
can't afford testing everyone and just look at sets of conditions that
usually are attributed to a depressed immune system and guess what,
these same deseases have been killing Africans since way before anyone
knew anything about HIV, hundreds of years. Oh and that 5% they do
test??? Half come out negitive.

Is there an epedemic in Africa? No, Is AIDS serious? Yes, is heptitus
more damgerous and transmittable than HIV? YES Are swingers and
POLY's in a high risk catagory NO! You can tell me over and over of
all the people you hang around with that are positive but every bit of
research on the lifestyle shows that "Alerternate Lifestyle" people
have the lowest SDT rate of any sexually active group in America.

If you thinkwe are all a bunch of deaseased freaks why do you hang out
on this news group????

THOM
rivka: (Default)
Transmission Risk Behaviors in HIV Patients
Attending an Inner-City HIV Primary Care Clinic

RL Wald & LR Temoshok, Institute of Human Virology,
University of Maryland, Baltimore, MD.

HIV prevention efforts continue to under-target the problem of continued transmission risk behaviors by HIV-infected individuals. To assess the extent of the problem, we surveyed 150 patients (90% African-American, 50% female, average years since diagnosis 9.4) attending an HIV clinic serving a disadvantaged inner-city population. The most common HIV risk factors were injecting drug use (54.9%), heterosexual sex (26.8%), and men having sex with men (12.2%). 57% reported at least one sexual partner in the past six months, and 83% had at least one partner in the past two years. 66% reported a recent partner who was HIV-negative or had unknown serostatus. 19% had hidden their HIV status from a partner. Respondents generally abstained from the riskiest activities (anal sex, needle sharing), but most engaged in vaginal and/or oral sex. Condoms were rarely used for oral sex, and only half of those having vaginal sex said they “always” used condoms. Unprotected sex was more common with HIV+ partners than with partners of negative or unknown status. Our data indicate that transmission risk behaviors remain a serious and largely unaddressed problem among HIV-infected patients in this population. These behaviors are particularly troubling in light of widespread drug resistance and incomplete viral suppression among the clinic’s patients, which combine to increase the likelihood that these behaviors will result in the transmission of drug-resistant HIV, and an increasing number of treatment-naive patients who are already resistant to one or more HIV drugs.
rivka: (her majesty)
Today I gave my "dating with HIV" talk at the heterosexuals with HIV conference. I started out by spilling a glass of water all over my dress, which I've always thought is the ideal eye-catching, confidence-building way to open a presentation in front of 80-plus perfect strangers. It did earn me a round of applause later on in the talk, when I successfully drank from the replacement glass someone had brought me. So yay for diminished expectations, or something like that.
what I said: )
rivka: (Default)
Wednesday through Friday I was at a work-related conference. The Institute is developing a new protocol for HIV treatment involving observed therapy, and the conference brought together doctors, nurses, public health people, psychologists, social workers, peer advocates, community organization leaders, and patients, to discuss how this should best be done.

On Friday, some of the patients there approached me. They're putting on a weekend retreat for HIV positive heterosexuals, and they wondered if I'd be willing to come and give a talk about dating. Huh. I'm really quite pleased to be asked - it seems like a compliment, given that they'd been talking with me for a couple of days, and it's certainly an interesting topic. But I'm also not entirely sure what I'm going to say.

Some of the things that come to mind:
- loving yourself and accepting your HIV as a (probably) necessary precondition to finding someone else to love and accept you.
- refusing to accept bad treatment from a partner just because you think no one else would have you.
- disclosure: why secrets are harmful, why early disclosure is better than late disclosure, why your reasons for thinking you don't have to tell your partner are pretty much all flimsy rationalizations.
- educating your partners about HIV and being patient about the time they need to become comfortable with the information.
- broadening your definitions of a sexual relationship and being more creative about sexual interactions, so that you can focus on lower-risk activities without decreasing your total enjoyment.
- why you still need to worry about health risks to yourself, even though you're already positive.
- pros and cons of only dating other people who are HIV positive.

I'm expecting that, even though they presented it to me as a "talk," we'll want to structure it to include a lot of group discussion. After all, they're a lot closer to being experts at this than I am. I really think this is going to be fascinating.
rivka: (her majesty)
Last year I went to visit one of my clinic patients who was temporarily in inpatient psychiatry. Afterwards, I leaned against the nurses' station looking through his chart.

"You work at [name of HIV clinic], huh?" a nurse asked me. "How do you like it there?" Her sidelong glance made it clear that this was not a straightforward question. At first I thought she was referring to the famously dysfunctional clinic politics.

"It's interesting work, and I like the patients" I said, or something like that.

"You're not afraid to work there? I would be."

Then I realized what she meant. She worked on a locked ward in which every single patient was considered a danger to self or others, and she wondered why I wasn't scared to work with people who have a particular not-easily-spread viral infection. Oh yeah. I forgot.

"Aren't you afraid of catching HIV in the clinic?" my sister asks.

"What the hell do you think I do at work?" I ask, and laugh. But it's not funny, not after the third or fourth encounter, not after I've spoken with clients who are afraid to hug their own grandchildren because you can never really be sure. Not after hearing about families serving meals on paper plates and the can of Lysol in constant use.

Not after hearing educated and kind people argue that there's a reasonable case to be made for paper plates, "because it's your life at stake." Because they say HIV can't be tranmitted casually, but that might just be PR. Because it's natural and understandable to be squeamish about touching something a person with HIV has touched.

I guess I don't have any perspective at all about HIV anymore. Some days I interact with more HIV-positive people than HIV-negative people. I shake hands, I put a consoling hand on their arms, I hug them sometimes. They bring in homemade cookies and I eat some. I use the bathrooms and the doorknobs and the pens they have used. I look at their wasted limbs and lipodystrophy humps and rashes and KS lesions and open sores. I sit in clinic rooms in which they have been examined, in which they have bled, propping my notebook up against the sharps container. I'm not afraid.

I've been afraid of contracting tuberculosis. I've been afraid of head lice. I've been afraid of infecting my hypothetical future child with congenital cytomegalovirus, until one of the docs straightened me out. I've been afraid of being hit. But I'm not afraid just because I deal with people who have HIV.

I don't know anymore what's reasonable to fear and what isn't. I don't think I'm strangely brave, or anything, but at the same time I can't conceive of thinking that these fears are reasonable or normal. There been more public education about AIDS than about any other public health threat in history. Shouldn't people know that they're not at risk from casual contact? Shouldn't they at the very least know that their fears are irrational, that their squeamishness is something that ought to be overcome?

*sigh* Or am I the weird one, the fish who can't see water?
rivka: (Default)
Wednesday's Salon had an essay by a man who has been living with AIDS for eighteen years. He was 23 when he was diagnosed, and was told he could expect to die shortly - so, he says, he stopped traveling along the path to adulthood. He never built a career or put down roots or invested his money, because he never expected to be around long enough to need them.

He started getting sick in the early 90s. Those were still the days before protease inhibitors, which didn't really start making a difference in mortality rates until 1997, and about which he says

For some it was too little too late. For others, it was the moment in the movie when the ticking bomb stops seconds before everything is destroyed. For me, it was both.

and then

My first round of protease inhibitors were even less resilient than I'd been.

and finally

I've developed resistance to most current meds available yet my health remains stable. [...] I'm too healthy to die, too ill to assume "normality."

Here's the thing, and it's a card that is very often palmed in these kinds of stories: if he's in this situation with his meds, that means he's been taking them inconsistently. If he's developed resistance to all the protease inhibitors, that means that he threw away regimen after regimen by skipping doses, by stopping and starting, by disregarding instructions. There are other ways to develop resistance - for example, most long-term survivors are resistant to AZT through no fault of their own, because it used to be prescribed as a single-drug regimen before anyone knew that you couldn't do that. With the protease inhibitors, though, and the other recent drugs, it's all about nonadherence.

Does this make his story any less sad? I don't really know what to say. I don't see many people like him in my clinics, children of privilege and gay high society brought low by AIDS. But I see lots of people in his situation: still alive long after having given up on life.

The thing about his predicted death sentence, likely enough when it was imposed upon him at the age of 23, is that it didn't just absolve him of the necessity of becoming an adult - it left him permanently excused from the responsibility to care for his own health. When he was diagnosed, there was nothing that could be done for people with HIV, and precious little they could do for themselves. Comfort care, mostly.

The state of the art has changed, but many of the underlying attitudes haven't. Hopelessness. Fatalism. Often the same people who rage against the doctors for not doing enough, or "the system" for not having a cure, are the ones developing resistance to drug after drug because they haven't really committed to their treatment. Because they don't really believe, at a deep and maybe unconscious level, that anything can be done. Because in their hearts they are dead men walking.

This author, this Hugh Elliot, has to know that the reason for his drug resistance is his own nonadherence. After they've had to change your regimen a couple of times, they tend to harp on it. But he doesn't acknowledge it. Most AIDS narratives don't. I've become so acutely aware of that omission. Probably sometimes it's self-serving, a desire to appear the innocent victim. More often, I think it's a matter of learned helplessness, the conditioned absence of a sense of control over one's situation.

I do my best. But sometimes I feel as though I'm trying to sweep back the sea.
rivka: (mourners)
I've just been reading the September 6th issue of the New England Journal of Medicine - and looking at graphs that leave me speechless.

There's a virus, sometimes known as Hepatitis G, more formally known as GB Virus C. Like other forms of hepatitis, it's transmitted through contact with blood or bodily fluids. About 2% of the general blood donor population, 15-20% of IV drug users, and 33% of people with HIV test positive for Hepatitis G. Ordinarily, that would be a bad thing. But, unlike Hep A, B, and C, Hep G doesn't cause liver disease.

Instead, it appears to slow the progression of HIV disease and sharply reduce the risk of death from AIDS.

In one study averaging four years of follow-up, people with Hep G and HIV coinfection were nearly four times more likely to survive the follow-up period. Among the very sickest patients (CD4+ T-cell count less than 50, where a healthy person has over 1000), 25% of the non-coinfected group survived - compared to 56% of the Hep G coinfected group. Among the very healthiest patients (CD4+ T-cell count greater than 500 at study entry) 93% of the coinfected group lived through the follow-up period, compared to 79% of the non-coinfected group.

The other study followed 197 patients for several years, with the introduction of the "HIV cocktail" medicines in 1996 coming right in the middle of the follow-up period. Here's what they say:

In 1996, 98 of the 197 patients were still alive and undergoing folow-up. Of these patients, 24 (24.5%) had died by March 2000. A higher risk of death was significantly associated with the absence of GBV-C RNA [translation: active presence of the Hep G virus in the blood], since only 1 of 27 GBV-C-positive patients (3.7%) died, as compared with 17 of 56 (30.4%) anti-E2-positive patients [translation: people who had once been infected with Hep G, but whose bodies had cleared the virus from their systems] and 6 of 14 unexposed patients (40.0%).

The graphs in the paper show Cox survival analyses, numbers which I always have trouble interpreting. But there's no difficulty interpreting the lines, which diverge sharply from each other on page after page. Here are people with Hep G, not progressing to AIDS. Here are non-coinfected people, progressing rapidly to AIDS and dying. Even on anti-retroviral meds, here are people with Hep G coinfection, living and living, while there's slow but steady erosion in the non-coinfected group.

Five years from now, if not sooner, we're going to be deliberately coinfecting people. That's my prediction. And with a form of hepatitis... who could have imagined it?
rivka: (shrine)
Life's getting back to normal, although I'm still following the news with more vigor than usual. I've also been unusually tired. I thought I was coming down with some kind of bug, but now I'm wondering if it was just accumulated stress.

It's a good time for me to be getting back to full alertness and concentration, because things are heating up at work. Lydia and Lauren (the new intern, who is also my new meatspace friend) came up with the idea of studying HIV+ patients' stress and coping in response to the disaster, and seeing whether stress was correlated at all with changes in immune function. So Lauren's trying to get the proposal together, and she's never done anything like that before so I'm shepherding her through the process. I'm dubious about whether she'll come up with anything - I think by the time the study gets approved and off the ground, too much time will have passed since the bombing and our patients won't be stressed about it anymore. Oh well, doesn't cost anything to try, I suppose. And - we're all stepping sort of hesitantly around this, not wanting to say it - if something else happens, we'll already have the study approved.

*shudder* Ick. Ugly things can happen to the minds of people who study stress.

At any rate, that's not the only new project. Read more... )

Vroom

Aug. 6th, 2001 02:42 pm
rivka: (Default)
Somehow, after weeks of having plenty of things to do, but a fairly open schedule in which to do them, this week I've suddenly found myself with a long to-do list and a crowded schedule. I haven't even had time today to read the Washington Post while on the clock. (Talk about a fundamental infringement of my rights as an employee.)

Friday I'm giving a big presentation on patients' adherence to HIV medications, at the new clinic where I should start work Real Soon Now. So I spent most of the morning (and Wednesday and Thursday of last week, incidentally) entering and analyzing data about what patients understand about HIV disease and HIV medications - after all, you can only carry out your treatment successfully if you know what you're supposed to be doing, and why.

Unsurprisingly, knowledge is pretty spotty. Almost eveyone knows that there is no cure, that they can't stop taking meds just because their symptoms go away, that they need to be careful about transmission. Three-quarters of them know that they want their CD4+ (T-cell) count to be as high as possible, even if only a third could actually give their current CD4+ count within 50 points. But only about half knew that they wanted their viral load to be as low as possible, and less than 15% could even come close to giving their current viral load. Most of them didn't have any real understanding of why adherence is so important.

We're not doing a good enough job with education. *bemused headshake* At the same time, though, I know these things are explained to patients over and over. So it's more that the education we're doing isn't sinking in. I'm not sure I have any answers, but at least now we know where the gaps are.

So from HIV this morning to cancer this afternoon. After weeks and weeks of no GYN cancer patient interviews, I've got five lined up for the next four days. I need to do as many as possible by the end of the month, if I want to submit an abstract for the cancer treatment conference in October. Some of these women are really a joy to meet - like the one I spoke with today. She radiated positive energy - and she didn't seem to be squashing down her negative feelings, either. This project fascinates me. I know Lydia wants me to cut it back, given that it wasn't funded, but it stimulates me. The patients have really responded positively to being interviewed, too - it seems to be helpful for them just to talk about their feelings for a while, and to have some support from a neutral party. So I think it's worth doing a little free work.

This afternoon Sandra and I are meeting with some of the volunteers who have offered to do phone outreach for the colposcopy study. They'll be calling women who have had positive Pap tests and trying to increase the likelihood that those women will follow up with treatment. I'm supposed to be working on the phone script right now... so I suppose I'd better stop procrastinating. At least, if I'm going to have anything for Sandra by four.

So, off to the races...

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