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    The Tick Bite That Almost Killed Me

    wpid-tick-4.jpg

    By Phil McKenna

    The fever started on a Monday morning in June. By Friday, I woke up in a hospital bed with yellow skin, an inflamed liver, a dull pain in my stomach and a doctor offering me morphine.

    A rotating cast of specialists, residents and medical students began streaming past my bedside as I cowered under a mass of towels and blankets trying to hide from sunlight that was causing my head to throb. Their best guess was that a gallstone was causing bacteria to build up in my bloodstream.

    A surgeon recommended a procedure to clear any blockages, sort of like a “Roto-Rooter,” he explained, a tad too cheerfully. Then my temperature spiked to 104. If some sort of medical device snaking through my insides could bring relief, I wanted it, now.

    Just six days earlier, my wife Rachel and I had celebrated our ninth wedding anniversary less than half a mile from where I lay.  Now—after a week of sweat-soaked nights, a full-body rash, episodes of vomiting and violent, shaking chills—Rachel stood anxiously by my bedside, helping me pry my wedding band off my swollen finger as I prepared for surgery.

    When I came to in the recovery room an hour later, my fever had broken, but it wasn’t because of anything the surgeon had done, he confessed. There was no blockage to clear. He didn’t know what explained my symptoms, but he did know one thing: Something was wrong with my liver.

    Something was also wrong with my spleen, or, more precisely, the lack thereof —I had had it surgically removed before I entered grade school. I mentioned this to the parade of doctors who saw me before and after surgery. In one of them—Vito Iacoviello, the hospital’s head of infectious diseases—that piece of my medical history had set off alarm bells and led him to make a quick decision that might have saved my life.

    By the time Iacoviello saw me soon after surgery, the results of some initial blood tests had come in, including one for babesiosis, a rare tick-borne disease transmitted by the same tick that carries Lyme disease. He had seen dozens of cases of babesiosis over the years, and he knew how quickly the disease could progress, especially in someone without a spleen. If I was suffering from babesiosis and my condition got much worse, an aggressive form of blood filtering called plasmapheresis might be all that kept me from a coma.

    The test for babesiosis came back negative, but Iacoviello started treating me for the disease anyway.

    “Given the potential severity of babesiosis in a splenectomized patient, and even though his first smear is negative, I would feel more comfortable covering for this,” he wrote in my patient notes that day.

    Blacklegged tick

    The blacklegged or deer tick.

    Follow-up tests later confirmed what Iacoviello suspected; I was indeed suffering from babesiosis. It is a potentially fatal parasitic infection carried by the blacklegged tick (more commonly known as a “deer tick”).

    In my case, the tick probably had caught a ride on my pants a couple of weeks earlier as I led my two young children through a field at a nature center outside Boston. When it bit me and delivered the parasite it was carrying into my bloodstream, what resulted was a harrowing experience that gave me an all-too-intimate view of the growing epidemic of tick-borne disease in the U.S. today, a phenomenon at least partly attributed to the rise in temperatures caused by human-driven climate change.

    Most people with babesiosis never know they have it. For those with weakened immune systems, however, the infection can be deadly.

    Lacking a spleen put me in that danger zone, since the spleen plays a key role in the immune response against blood-borne infections like babesiosis. My spleen had been removed when I was 4 years old as treatment for a rare blood disease, spherocytosis, that I inherited from my dad. Once my spleen was removed, I was vulnerable to infections and vigilant about always carrying an arsenal of heavy-duty antibiotics when traveling abroad. I knew how quickly a pathogen could overwhelm my system.

    That’s what was happening now. Without a spleen to fight off the parasite, the Babesia had entered my bloodstream and begun to decimate my red blood cells. My yellow, jaundiced skin and urine that had turned a dark amber were symptoms of this full-scale assault.

    Iacoviello started treating me with antibiotics for babesiosis Friday afternoon soon after surgery but I wasn’t out of danger yet. My fever never returned, but my skin turned more and more yellow. By Saturday morning, my urine looked like root beer, and I was put on oxygen as I was increasingly out of breath.

    On Saturday afternoon, my doctor informed me that my lungs had partially collapsed and were beginning to fill with fluid. He didn’t seem too concerned and, with my fever gone, neither was I. I offhandedly mentioned the lung issues to Rachel, who relayed the information to my mom. It wasn’t until Monday morning, after both had visited with tears in their eyes, that I started to realize how serious my condition had been.

    Alone with my laptop on Monday afternoon, I started Googling babesiosis and came across a study from Europe that reported roughly half of all patients with babesiosis, most of whom lacked a spleen, died from the disease. The North American strain of Babesia isn’t nearly as potent, but even in the U.S., the mortality rate for those with weakened immune systems, myself included, is still high, roughly 20 percent of hospitalized patients. As the numbers sunk in and I realized how close I’d come to dying, I set down my laptop, put my head in my hands, and sobbed.

    Additional medication in the coming days helped drain the fluid from my lungs and, as the antibiotics took effect, my liver and lungs slowly recovered. It helped that I was only 40 years old and, except for the lack of a spleen, relatively healthy and physically fit.

    About a week after I got out of the hospital, I took my kids to a nearby park for a picnic dinner with some friends from the neighborhood. Everyone was talking about their plans for the weekend: a trip to the Cape, hiking in Vermont, berry picking in the suburbs, areas that I now knew were all, literally, crawling with ticks.

    After what I’d been through, their plans sounded so dangerous, even reckless. I jokingly tried to warn them, urge them not to go. Only, I wasn’t really joking.

    My experience with babesiosis was enough to make me want never to venture outside again. But that’s no way to live. I often think back on what one member of Iacoviello’s team told me before I was released from the hospital: Don’t sacrifice doing what you love. You can go into areas with ticks, just take precautions.

    Now, when I’m planning an outdoor activity I carry a change of clothes, from shoes and socks to pants to long-sleeve shirt, that are treated with permethrin, a powerful insect repellent that kills ticks on contact. I was initially terrified of walking across a mowed lawn or sitting on a blanket in the park. But whenever I’m concerned that I might have been exposed, I check myself for ticks before I go to bed. With each passing day, I’m a little less afraid.

    This weekend, I’ll take my 6-year-old son on his first remote camping trip on a lake straddling Maine and New Hampshire. It’s a trip I’d been looking forward to for the better part of a year, then spent much of the summer trying to get out of.

    Now, I’m ready. We’ll take a few precautions to meet the challenges of our rapidly changing world. But with a little luck, the biggest scare my son and I have will be from the ghost stories we’ll tell sitting around the campfire.


    Did you know: More than 300,000 Americans will be infected with Lyme and other tick-borne diseases this year, up from fewer than 15,000 confirmed cases in the 1990s. The spread of these illnesses has been fueled in part by climate change. Warming temperatures have played a key role in the steady rise of tick numbers and northward expansion of their range, all of which has helped give rise to what some are already calling the worst tick season ever. Read more about ticks, where they live and how to remove them here.

    Phil McKenna

    Phil McKenna is a Boston-based reporter for InsideClimate News. Before joining ICN in 2016, he was a freelance writer covering energy and the environment for publications including The New York Times, Smithsonian, Audubon and WIRED. Uprising, a story he wrote about gas leaks under U.S. cities, won the AAAS Kavli Science Journalism Award and the 2014 NASW Science in Society Award. Phil has a master’s degree in science writing from the Massachusetts Institute of Technology and was an Environmental Journalism Fellow at Middlebury College.

     

     

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