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(单词翻译:双击或拖选)
Pandemic anxiety was hard on IBS patients. Here's how to find relief
If you're one of the more than 25 million people in the U.S. with irritable2 bowel3 syndrome4, there's a good chance your symptoms worsened at some point over the past two years. Or maybe you developed symptoms for the first time.
"We found reports of increased constipation, diarrhea and abdominal5 pain," says Kendra Kamp, a researcher at the University of Washington School of Medicine. She surveyed IBS patients with anxiety or depression about their experiences early in the pandemic. More than 90% reported increased stress and 81% reported increased anxiety. Another survey sponsored by a pharmaceutical6 company found half of IBS patients say their symptoms have been more challenging to manage, and many reported an initial onset7 of IBS amid the pandemic.
"The pandemic created an environment of uncertainty8, isolation9 and less access to supportive resources that people depended on for well-being," says Suzanne Smith, a nurse practitioner10 at UCLA's Integrative Digestive Health and Wellness program. The center combines diet and stress management treatment approaches, and Smith helps patients understand the brain-gut11 connection in IBS.
IBS was once considered a problem of the gut, but scientists now know that disturbances12 in the way the nervous system, brain and gut interact can cause changes that lead to IBS symptoms, including stomach pain, gas, bloating and abnormal bowel movements. "There's a continuous feedback loop between the brain and the gut," explains Smith. Information flows along the vagus nerve, which connects brain to gut, so what's happening in the mind affects the gastrointestinal system.
Finding the triggers
Stress is one factor that can trigger symptoms or make them harder to manage. Diet, sleep, exercise and social connections are important, too. "All these things play a role in digestive health," Smith says.
Doctors also look for triggers such as an infection or bacterial13 overgrowth that can require antibiotics14, but the goal, Smith says, is to wrap all the elements into a holistic15 treatment approach.
Smith teaches a mindfulness course that can help patients tamp16 down the anxiety linked to their symptoms. In 2020, a study of patients who participated in the 8-week course, called Mindfulness Based Stress Reduction, found that 71% of the patients had robust17 improvements in their GI symptoms. "There was a significant improvement in quality of life and overall well-being," Smith says. The participants were taught a range of techniques to foster awareness18 of the present moment, limit anticipatory19 anxiety, and halt the feedback loop that can amplify20 the unpleasant feelings and sensations associated with IBS symptoms.
"It was life-changing for me," says Vicki Mayer, 52, who was a participant in the study. She first noticed stomach issues, on and off, back in college, but in recent years her symptoms worsened. "Any time that I was going out for dinner or lunch or coffee, I would be riddled21 with a lot of anxiety and fear," she recalls, anticipating that she may need to urgently find a bathroom or leave the restaurant. She began to avoid going out.
When her doctor recommended the mindfulness class, she was hesitant. "I was probably the most skeptical22 person in the room," she recalls. "I thought, 'Oh, I'll have to lay down for an hour. I can't keep my mind completely quiet.'"
But after the class began, she was hooked. "We would practice different types of meditation23, whether it was a body scan, a three minute breathing exercise, or a walking meditation," Mayer says, further explaining that each of these techniques awakened24 a sense of calm and a new way to tune25 into her body.
Meditation didn't change her symptoms overnight, but she did begin feeling control over her emotional reactions. She realized much of her anxiety was caused by worst-case scenario26 thinking, such as anticipating an embarrassing restaurant incident. But, if she stayed in the moment, the situation really wasn't so dire27. And, instead of allowing her mind to weave a story about what might happen, she learned to reframe her thoughts.
"I'm going to be OK, there's always a bathroom available," she would tell herself if she went out for a meal, recognizing that excusing herself from the table would cause no harm. "Once I changed my mindset, I had a far reduced level of anxiety, and I could get through the meal with little to no issues."
Studies show that mindfulness can increase both attention and emotional regulation. "If you have a better capacity to regulate your attention, then you can move your attention to something that's more helpful," says Smith, just as Mayer learned.
Mayer says she feels much better these days. "It's incredibly powerful to know how to change your mindset and see the physical results of that in a positive way," she says. And, she's keeping up the meditation practice: "You can do a one or two minute breathing exercise while you're standing28 in line at the grocery store."
The power of the right diet
Changing what's on the menu is another key tool for people to manage IBS. "We've developed diet strategies that can be quite effective," says William Chey, a gastroenterologist at the University of Michigan who has documented the benefits of integrative care.
Michigan has had a dedicated29 GI nutrition program since 2007. "When I started to talk about diet as an important part of treating patients with IBS at that time, people literally30 laughed at me," Chey says. "But now almost every gastroenterologist accepts that diet is an important part of the solution."
Over the past 15 years, many studies have shown that dietary strategies can help control symptoms.
The FODMAP diet has gained the most attention from researchers. Studies show somewhere between 52% to 86% of participants report significant improvement in their symptoms after following the diet, including reduced gas and bloating. The FODMAP diet requires elimination31 or reduction of certain foods, including gluten, lactose, excess fructose (found in some fruits and corn syrup) as well as certain nuts, beans and starchy vegetables. Researchers at Monash University in Australia explain that the FODMAP diet is based on the understanding that certain compounds in our diet can't be completely digested or absorbed, so they can end up in the large intestine32 where they're fermented33 by gut bacteria. This leads to gas and bloating.
"I saw the benefits almost within the first week," says Karen Beningo of Northville, Mich., who was treated at the University of Michigan. She started the FODMAP diet last October and found her energy level improved significantly. "The distension34 and the bloating went away very quick," she says. After following the diet strictly35, she's now added some foods back to her diet. She knows gluten is a trigger, so she remains36 gluten-free.
"I discovered other things, and most of them were things that I was suspicious of anyway," she says. She realized that onions, broccoli37 and Brussels sprouts38, as well as some nuts, make her gassy. "And it was only through calming down my system and then reintroducing [them] that I pretty much confirmed, yeah, I've got a problem with those things," she explains. (This Monash University FODMAP app can help people follow the diet, detailing which foods, in which amounts, are ok, and which ones should be avoided.)
Where to get help
Beningo was fortunate to live near a major academic center. The University of Michigan has registered dieticians in their GI program who can support patients through diet changes, which can be somewhat frustrating39 and confusing to follow. But what can people do if they don't have access to this type of integrative care?
The majority of gastroenterology practices don't have a registered dietician, psychologist or stress-management professional on staff. "Most doctors don't have the tools or the training to be able to effectively implement40 the science as it's emerging in their practices," Chey says.
To fill in the gaps, there's a shift toward virtual support to help people access behavioral care, stress management tools and dietary strategies. "Digital tools that are coming online will help these integrated strategies scale up to a more national level," Chey says. He points to three examples. Mahana is an FDA-authorized digital Cognitive41 Behavioral Therapy app that doctors can prescribe to IBS patients to deal with stress. Zemedy is another CBT-based digital app. There's also Nerva, a mobile app that delivers gut-directed hypnotherapy to help manage symptoms.
"Those three are all evidence based, meaning that they've all done at least observational clinical trials to show efficacy," Chey says. And there are many more digital products in development, he says, adding that he's involved with some of the companies as an investigator42. Chey says large-scale clinical trials with some of the tools are planned to better understand how to effectively use them. "This is a very rapidly growing space," he says.
1 transcript | |
n.抄本,誊本,副本,肄业证书 | |
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2 irritable | |
adj.急躁的;过敏的;易怒的 | |
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3 bowel | |
n.肠(尤指人肠);内部,深处 | |
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4 syndrome | |
n.综合病症;并存特性 | |
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5 abdominal | |
adj.腹(部)的,下腹的;n.腹肌 | |
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6 pharmaceutical | |
adj.药学的,药物的;药用的,药剂师的 | |
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7 onset | |
n.进攻,袭击,开始,突然开始 | |
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8 uncertainty | |
n.易变,靠不住,不确知,不确定的事物 | |
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9 isolation | |
n.隔离,孤立,分解,分离 | |
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10 practitioner | |
n.实践者,从事者;(医生或律师等)开业者 | |
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11 gut | |
n.[pl.]胆量;内脏;adj.本能的;vt.取出内脏 | |
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12 disturbances | |
n.骚乱( disturbance的名词复数 );打扰;困扰;障碍 | |
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13 bacterial | |
a.细菌的 | |
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14 antibiotics | |
n.(用作复数)抗生素;(用作单数)抗生物质的研究;抗生素,抗菌素( antibiotic的名词复数 ) | |
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15 holistic | |
adj.从整体着眼的,全面的 | |
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16 tamp | |
v.捣实,砸实 | |
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17 robust | |
adj.强壮的,强健的,粗野的,需要体力的,浓的 | |
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18 awareness | |
n.意识,觉悟,懂事,明智 | |
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19 anticipatory | |
adj.预想的,预期的 | |
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20 amplify | |
vt.放大,增强;详述,详加解说 | |
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21 riddled | |
adj.布满的;充斥的;泛滥的v.解谜,出谜题(riddle的过去分词形式) | |
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22 skeptical | |
adj.怀疑的,多疑的 | |
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23 meditation | |
n.熟虑,(尤指宗教的)默想,沉思,(pl.)冥想录 | |
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24 awakened | |
v.(使)醒( awaken的过去式和过去分词 );(使)觉醒;弄醒;(使)意识到 | |
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25 tune | |
n.调子;和谐,协调;v.调音,调节,调整 | |
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26 scenario | |
n.剧本,脚本;概要 | |
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27 dire | |
adj.可怕的,悲惨的,阴惨的,极端的 | |
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28 standing | |
n.持续,地位;adj.永久的,不动的,直立的,不流动的 | |
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29 dedicated | |
adj.一心一意的;献身的;热诚的 | |
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30 literally | |
adv.照字面意义,逐字地;确实 | |
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31 elimination | |
n.排除,消除,消灭 | |
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32 intestine | |
adj.内部的;国内的;n.肠 | |
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33 fermented | |
v.(使)发酵( ferment的过去式和过去分词 );(使)激动;骚动;骚扰 | |
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34 distension | |
n.扩张,膨胀(distention) | |
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35 strictly | |
adv.严厉地,严格地;严密地 | |
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36 remains | |
n.剩余物,残留物;遗体,遗迹 | |
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37 broccoli | |
n.绿菜花,花椰菜 | |
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38 sprouts | |
n.新芽,嫩枝( sprout的名词复数 )v.发芽( sprout的第三人称单数 );抽芽;出现;(使)涌现出 | |
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39 frustrating | |
adj.产生挫折的,使人沮丧的,令人泄气的v.使不成功( frustrate的现在分词 );挫败;使受挫折;令人沮丧 | |
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40 implement | |
n.(pl.)工具,器具;vt.实行,实施,执行 | |
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41 cognitive | |
adj.认知的,认识的,有感知的 | |
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42 investigator | |
n.研究者,调查者,审查者 | |
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