{"id":1706,"date":"2021-02-09T11:55:00","date_gmt":"2021-02-09T15:55:00","guid":{"rendered":"https:\/\/www.drphilzeltzman.com\/blog\/?p=1706"},"modified":"2022-07-11T11:16:49","modified_gmt":"2022-07-11T15:16:49","slug":"what-causes-bloat","status":"publish","type":"post","link":"https:\/\/www.drphilzeltzman.com\/blog\/what-causes-bloat\/","title":{"rendered":"What causes bloat?"},"content":{"rendered":"\n<p>\u201cBloat\u201d is also called many different things: twisted stomach, Gastric Dilatation Volvulus (GDV), gastric torsion, stomach torsion etc.<\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-large is-resized\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/www.drphilzeltzman.com\/blog\/wp-content\/uploads\/2021\/01\/Great-Dane.jpg\" alt=\"A Great Dane making a funny face\" class=\"wp-image-1707\" width=\"580\" height=\"386\" srcset=\"https:\/\/www.drphilzeltzman.com\/blog\/wp-content\/uploads\/2021\/01\/Great-Dane.jpg 1280w, https:\/\/www.drphilzeltzman.com\/blog\/wp-content\/uploads\/2021\/01\/Great-Dane-1100x733.jpg 1100w, https:\/\/www.drphilzeltzman.com\/blog\/wp-content\/uploads\/2021\/01\/Great-Dane-768x512.jpg 768w\" sizes=\"auto, (max-width: 580px) 100vw, 580px\" \/><figcaption>Great Dane making a funny face <\/figcaption><\/figure><\/div>\n\n\n\n<p>Side note: it\u2019s unfortunate that we (vets and dog owners) have gotten used to calling it bloat. After all, bloating is not a big deal in people. Yet \u201cbloat\u201d can kill a dog in a matter of hours.<\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"952\" height=\"782\" src=\"https:\/\/www.drphilzeltzman.com\/blog\/wp-content\/uploads\/2021\/01\/image-2.png\" alt=\"An x-ray showing Gastric Dilation Volvulus\" class=\"wp-image-1712\" srcset=\"https:\/\/www.drphilzeltzman.com\/blog\/wp-content\/uploads\/2021\/01\/image-2.png 952w, https:\/\/www.drphilzeltzman.com\/blog\/wp-content\/uploads\/2021\/01\/image-2-768x631.png 768w\" sizes=\"auto, (max-width: 952px) 100vw, 952px\" \/><figcaption><em>Classic belly X-ray showing Gastric Dilatation Volvulus, with 2 gas bubbles in the stomach<\/em><\/figcaption><\/figure><\/div>\n\n\n\n<p>Vets sometimes tell pet owners that we don\u2019t really know what causes GDV, and therefore we don\u2019t know how to prevent it. However, that is not exactly accurate\u2026<\/p>\n\n\n\n<p>Here is a summary of the main known causes.<\/p>\n\n\n\n<p><strong>1. <span style=\"text-decoration: underline\" class=\"underline\">Breed<\/span><\/strong><\/p>\n\n\n\n<p>Large and giant dog breeds are at risk for GDV, including Great Danes (the #1 breed), German shepherds, Weimaraners, St. Bernards, Dobemans and Old English sheepdogs. These breeds are roughly 25% more likely to get GDV than others.<\/p>\n\n\n\n<p>A few smaller breeds, such as basset hounds, boxers, and standard poodles can also be prone to GDV.<\/p>\n\n\n\n<p><strong>2. <span style=\"text-decoration: underline\" class=\"underline\">Conformation<\/span><\/strong><\/p>\n\n\n\n<p>Conformation has to do with the shape of a dog.<\/p>\n\n\n\n<p>Dog breeds called \u201cdeep-chested,\u201d have a tall chest and a skinny belly. Think of a Great Dane. A deep chest, combined with stretching of ligaments that attach to the stomach, increases the chance of stomach torsion.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1194\" height=\"791\" src=\"https:\/\/www.drphilzeltzman.com\/blog\/wp-content\/uploads\/2021\/01\/Great-Dane-deep-chest.jpg\" alt=\"A deep-chested breed\" class=\"wp-image-1708\" srcset=\"https:\/\/www.drphilzeltzman.com\/blog\/wp-content\/uploads\/2021\/01\/Great-Dane-deep-chest.jpg 1194w, https:\/\/www.drphilzeltzman.com\/blog\/wp-content\/uploads\/2021\/01\/Great-Dane-deep-chest-1100x729.jpg 1100w, https:\/\/www.drphilzeltzman.com\/blog\/wp-content\/uploads\/2021\/01\/Great-Dane-deep-chest-768x509.jpg 768w\" sizes=\"auto, (max-width: 1194px) 100vw, 1194px\" \/><figcaption>A typical deep chested breed, with a tall chest and a skinny belly<\/figcaption><\/figure>\n\n\n\n<p><strong>3. <span style=\"text-decoration: underline\" class=\"underline\">Genetics<\/span><\/strong><\/p>\n\n\n\n<p>Dogs with a first-degree relative who had GDV are at greater risk of getting<\/p>\n\n\n\n<p>it themselves. This chance increases by 20% with each additional year. These factors confirm that GDV is a partially genetic disease and dogs at risk should be spayed or neutered.<\/p>\n\n\n\n<p>In addition, better selection should be taken seriously by breeders.<\/p>\n\n\n\n<p><strong>4. <span style=\"text-decoration: underline\" class=\"underline\">Stress<\/span><\/strong><\/p>\n\n\n\n<p>Stressful situations can also contribute to a twisted stomach. Boarding, thunderstorms, moving, vet visits and hospitalization are all potential triggers for nervous dogs.<\/p>\n\n\n\n<p>One study showed that having a high-stress environment or being fearful contributed to GDV compared to similar dogs who were in a non-stressful environment.<\/p>\n\n\n\n<p><strong>5. <span style=\"text-decoration: underline\" class=\"underline\">Feeding<\/span><\/strong><\/p>\n\n\n\n<p>Eating fast, and how often dogs are fed, have been shown to increase the risk of stomach torsion.<\/p>\n\n\n\n<p>Therefore, if your dog eats fast, it\u2019s important to find ways to slow it down. There are special bowls made for that purpose.<\/p>\n\n\n\n<p>In addition, dogs fed once per day are more likely to have GDV, compared to dogs who are fed 3 times daily. Several small meals throughout the day are better for dogs at risk.<\/p>\n\n\n\n<p><strong>6. <span style=\"text-decoration: underline\" class=\"underline\">Food<\/span><\/strong><\/p>\n\n\n\n<p>Believe it or not, studies have shown that moistening dry dog food before feeding actually increases the risk of GDV in large-breed dogs.<\/p>\n\n\n\n<p>Ironically, feeding a dry-only diet has also been shown to increase risk.<\/p>\n\n\n\n<p>So what\u2019s a concerned dog owner to do?<\/p>\n\n\n\n<p>Recommendations have been made to help prevent a first episode by avoiding exclusively dry, expanded, cereal-based, or soy protein-based commercial dog foods.<\/p>\n\n\n\n<p>Feeding a <strong>combination<\/strong> of dry and canned food together may be a way to lower the chances of GDV. I insist: \u201cmay be a way.\u201d There are no guarantees here, only ways to try to lower the chances.<\/p>\n\n\n\n<p>Also, foods with fat listed among the main 4 ingredients have been shown to increase the risk of GDV. So please look at the list of ingredients on your dog food.<\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1920\" height=\"1376\" src=\"https:\/\/www.drphilzeltzman.com\/blog\/wp-content\/uploads\/2021\/01\/GSD-Dobie.jpg\" alt=\"A woman with her doberman and german shepherd\" class=\"wp-image-1709\" srcset=\"https:\/\/www.drphilzeltzman.com\/blog\/wp-content\/uploads\/2021\/01\/GSD-Dobie.jpg 1920w, https:\/\/www.drphilzeltzman.com\/blog\/wp-content\/uploads\/2021\/01\/GSD-Dobie-1100x788.jpg 1100w, https:\/\/www.drphilzeltzman.com\/blog\/wp-content\/uploads\/2021\/01\/GSD-Dobie-768x550.jpg 768w, https:\/\/www.drphilzeltzman.com\/blog\/wp-content\/uploads\/2021\/01\/GSD-Dobie-1536x1101.jpg 1536w\" sizes=\"auto, (max-width: 1920px) 100vw, 1920px\" \/><figcaption>Dobies and German shepherds are at-risk breeds<\/figcaption><\/figure><\/div>\n\n\n\n<p><strong>7. <span style=\"text-decoration: underline\" class=\"underline\">Water<\/span><\/strong><\/p>\n\n\n\n<p>It is recommended to avoid drinking large amounts of water before and after exercise.<\/p>\n\n\n\n<p>Ironically, too little water before and during meals may increase the chance of a dog suffering from GDV! A recurring \u201chot story\u201d about ice water causing GDV regularly shows up online and appears to be a complete hoax.<\/p>\n\n\n\n<p><strong>8. <span style=\"text-decoration: underline\" class=\"underline\">Exercise<\/span><\/strong><\/p>\n\n\n\n<p>A fairly classic recommendation to reduce the risk of stomach torsion is to avoid heavy exercise 1 hour before and 2 hours after eating a meal. The idea is that it\u2019s easier for a stomach to twist when it\u2019s full compared to when it\u2019s (partially) empty.<\/p>\n\n\n\n<p><strong>9. <span style=\"text-decoration: underline\" class=\"underline\">Age<\/span><\/strong><\/p>\n\n\n\n<p>Even though I always say, \u201cage is not a disease,\u201d age can play a role in a dog\u2019s risk for stomach torsion.<\/p>\n\n\n\n<p>In Great Danes specifically, age is a very important risk factor for GDV.<\/p>\n\n\n\n<p>One of the reasons may be the stretched ligaments, over time, as mentioned above.<\/p>\n\n\n\n<p><strong>10. <span style=\"text-decoration: underline\" class=\"underline\">Other risk factors<\/span><\/strong><\/p>\n\n\n\n<p>There are countless other risk factors that are unproven, controversial, or contradicting.<\/p>\n\n\n\n<p>. For example, some studies show that a raised bowl is better to decrease aerophagia (aka swallowing air), while others imply a bowl on the floor is ideal.<\/p>\n\n\n\n<p>. The at-risk gender varies from study to study.<\/p>\n\n\n\n<p>. The month, the cycle of the moon, and a previous spleen removal are also fuzzy risk factors.<\/p>\n\n\n\n<ul class=\"wp-block-list\"><li><strong><span style=\"text-decoration: underline\" class=\"underline\">Gastropexy<\/span><\/strong><\/li><\/ul>\n\n\n\n<p>This last point is not a risk factor \u2013 on the opposite, but it\u2019s important to mention here.<\/p>\n\n\n\n<p>A gastropexy, or tacking the stomach to the inside of the belly, is a simple surgery that can prevent twisting of the stomach. In good hands, it\u2019s successful over 95% of the time.<\/p>\n\n\n\n<p>Importantly, it prevents twisting of the stomach, not true \u201cbloating\u201d &#8211; aka the stomach getting full of air \u2013 we don\u2019t know how to prevent that and it remains a risk for life.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"810\" height=\"625\" src=\"https:\/\/www.drphilzeltzman.com\/blog\/wp-content\/uploads\/2021\/01\/image-3.png\" alt=\"Gastric dilation\" class=\"wp-image-1713\" srcset=\"https:\/\/www.drphilzeltzman.com\/blog\/wp-content\/uploads\/2021\/01\/image-3.png 810w, https:\/\/www.drphilzeltzman.com\/blog\/wp-content\/uploads\/2021\/01\/image-3-768x593.png 768w\" sizes=\"auto, (max-width: 810px) 100vw, 810px\" \/><figcaption><em>Classic belly X-ray showing Gastric Dilatation only, with 1 giant gas bubble in the stomach<\/em><\/figcaption><\/figure>\n\n\n\n<p>The gastropexy or \u201cpexy\u201d in short is part of the surgery to treat GDV. But it can also be done preventively, or prophylactically. So it\u2019s called a prophylactic gastropexy.<\/p>\n\n\n\n<p>For example, Great Danes have a 40 % chance of having GDV in their lifetime. Ideally, this life-saving surgery should be performed at the time of the dog\u2019s spay or neuter &#8211; or as soon as possible after that. Of course, it\u2019s never too late to prophylactically pexy a dog\u2026 until they have an episode of GDV.<\/p>\n\n\n\n<p>Please beware, the next picture of a gastropexy can seem graphic to some readers.<\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1001\" height=\"733\" src=\"https:\/\/www.drphilzeltzman.com\/blog\/wp-content\/uploads\/2021\/01\/image-4.png\" alt=\"A Gastropexy\" class=\"wp-image-1714\" srcset=\"https:\/\/www.drphilzeltzman.com\/blog\/wp-content\/uploads\/2021\/01\/image-4.png 1001w, https:\/\/www.drphilzeltzman.com\/blog\/wp-content\/uploads\/2021\/01\/image-4-768x562.png 768w\" sizes=\"auto, (max-width: 1001px) 100vw, 1001px\" \/><\/figure><\/div>\n\n\n\n<p>I have helped a number of pet owners perform gastropexies over the years. Some were wise to do it before GDV happens in their at-risk dog. Some learned the hard way (i.e. their dog got a twisted stomach, and that\u2019s how they learned about the pexy option).<\/p>\n\n\n\n<p><br>Either way, it can be done as a \u201cstand alone\u201d surgery, or at the time of a spay or neuter.<\/p>\n\n\n\n<p>To recap, we know a lot about the risk factors of GDV. Be aware of them, and prevent those you can control. You could very well save your dog\u2019s life.<\/p>\n\n\n\n<p><em>Phil Zeltzman, DVM, DACVS, CVJ, Fear Free Certified<\/em><\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u201cBloat\u201d is also called many different things: twisted stomach, Gastric Dilatation Volvulus (GDV), gastric torsion, stomach torsion etc. Side note: it\u2019s unfortunate that we (vets and dog owners) have gotten used to calling it bloat. After all, bloating is not a big deal in people. Yet \u201cbloat\u201d can kill a dog in a matter of [&hellip;]<\/p>\n","protected":false},"author":7,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[158,206,159,205,157,22,156],"class_list":["post-1706","post","type-post","status-publish","format-standard","hentry","category-uncategorized","tag-bloat","tag-gastric-dilatation-volvulus","tag-gastropexy","tag-gdv","tag-phil-zeltzman","tag-veterinary-emergency","tag-veterinary-surgeon"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.0 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>What causes bloat? | Dr Phil Zeltzman\u2019s Blog<\/title>\n<meta name=\"description\" content=\"\u201cBloat\u201d is also called many different things: twisted stomach, Gastric Dilatation Volvulus (GDV), gastric torsion, stomach torsion etc.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.drphilzeltzman.com\/blog\/what-causes-bloat\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"What causes bloat? 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