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, according to a new clinical practice update from the American Gastroenterological Association.
CVS affects up to 2% of U.S. adults and is more common in women, young adults, and those with a personal or family history of migraine headaches. However, most patients don’t receive a diagnosis or often experience years of delay in receiving effective treatment.
“A diagnosis is a powerful tool. Not only does it help patients make sense of debilitating symptoms, but it allows healthcare providers to create an effective treatment plan,” said author David J. Levinthal, MD, AGAF, director of the Neurogastroenterology and Motility Center at the University of Pittsburgh Medical Center.
The update was published online in Gastroenterology.
Understanding Cyclic Vomiting Syndrome
CVS is a chronic disorder of gut-brain interaction (DGBI), which is characterized by acute episodes of nausea and vomiting, separated by time without symptoms. Patients can usually identify a pattern of symptoms that show up during and between episodes.
CVS can vary, ranging from mild — with less than four episodes per year and lasting less than 2 days — to moderate-severe — with more than four episodes per year, lasting more than 2 days, and requiring at least one emergency department visit or hospitalization.
The disorder has four distinct phases — inter-episodic, prodromal, emetic, and recovery — that align with distinct treatment and management strategies. Between episodes, patients typically don’t experience repetitive vomiting but may experience symptoms such as mild nausea, indigestion, and occasional vomiting. Although CVS episodes can happen at any time, most tend to occur in the early morning.
For diagnosis, clinicians should consider CVS in adults presenting with episodic bouts of repetitive vomiting, following criteria established by the Rome Foundation. Rome IV criteria include acute-onset vomiting lasting less than 7 days, at least three discrete episodes in a year with two in the previous 6 months, and an absence of vomiting between episodes separated by at least 1 week of baseline health.
About 65% of patients with CVS experience prodromal symptoms, which last for about an hour before the onset of vomiting and may include panic, a sense of doom, and an inability to communicate effectively. During prodromal or emetic phases, patients have also reported fatigue, brain fog, restlessness, anxiety, headache, bowel urgency, abdominal pain, flushing, or shakiness.
As with migraines, CVS episodes may often be triggered by psychological and physiological factors, particularly stress. Episodes can stem from both negative stress, such as a death or relationship conflicts, as well as positive stress, such as birthdays and vacations. Other triggers include sleep deprivation, hormonal fluctuations linked to the menstrual cycle, travel, motion sickness, or acute infections.
Adult CVS is associated with several conditions, particularly mood disorders, including anxiety, depression, and panic disorder. Patients may also experience migraines, seizure disorders, or autonomic imbalances, such as postural orthostatic tachycardia syndrome, which may indicate pathophysiological mechanisms and routes for management.
The American Neurogastroenterology and Motility Society recommends testing to rule out similar or overlapping conditions, such as Addison’s disease, hypothyroidism, and hepatic porphyria. Diagnostic workup should include blood work, urinalysis, and one-time esophagogastroduodenoscopy or upper gastrointestinal imaging. Repeated imaging and gastric emptying scans should be avoided.
Providing Treatment and Prevention
For treatment, knowing the CVS phase is “essential,” the authors wrote. For instance, during the prodromal phase, abortive therapies can halt the transition to the emetic phase, and earlier intervention is associated with a higher probability of stopping an episode. The authors recommend intranasal sumatriptan, ondansetron, antihistamines, and sedatives.
During the emetic phase, supportive therapy can help terminate the episode. This may include continuing the abortive regimen and going to the emergency department for hydration and antiemetic medications. Patients may also find relief in a quiet, darker room in the emergency department, along with IV benzodiazepines, with the goal of inducing sedation.
During the recovery phase, patients should rest and focus on rehydration and nutrition to return to the well phase.
During the well or inter-episodic phase, patients can follow lifestyle measures to identify and avoid triggers, such as taking prophylactic medication (tricyclic antidepressants, anticonvulsants, and neurokinin-1 receptor antagonists such as aprepitant), reducing stress, and implementing a good sleep routine.
As part of patient education, clinicians can discuss the four phases and rehearse the actions to take to prevent or stop an episode.
“CVS has a significant impact on patients, families, and the healthcare system. The unpredictable and disruptive nature of episodes can result in reduced health-related quality of life, job loss precipitated by work absenteeism, and even divorce,” said Rosita Frazier, MD, a gastroenterologist at Mayo Clinic Arizona in Scottsdale who specializes in DGBI and CVS. Dr. Frazier, who wasn’t involved with the clinical practice update, has previously written about CVS diagnosis and management.
“Providing an individualized care plan for all patients could potentially address this problem and improve the physician-patient interaction,” she said. “Educational efforts to raise awareness among the medical community and increase both patient and provider engagement can optimize outcomes and are needed to address this critical problem.”
The authors received no specific funding for this update. Dr. Levinthal is a consultant for Takeda Pharmaceuticals and Mahana. Dr. Frazier reported no relevant financial disclosures.
, according to a new clinical practice update from the American Gastroenterological Association.
CVS affects up to 2% of U.S. adults and is more common in women, young adults, and those with a personal or family history of migraine headaches. However, most patients don’t receive a diagnosis or often experience years of delay in receiving effective treatment.
“A diagnosis is a powerful tool. Not only does it help patients make sense of debilitating symptoms, but it allows healthcare providers to create an effective treatment plan,” said author David J. Levinthal, MD, AGAF, director of the Neurogastroenterology and Motility Center at the University of Pittsburgh Medical Center.
The update was published online in Gastroenterology.
Understanding Cyclic Vomiting Syndrome
CVS is a chronic disorder of gut-brain interaction (DGBI), which is characterized by acute episodes of nausea and vomiting, separated by time without symptoms. Patients can usually identify a pattern of symptoms that show up during and between episodes.
CVS can vary, ranging from mild — with less than four episodes per year and lasting less than 2 days — to moderate-severe — with more than four episodes per year, lasting more than 2 days, and requiring at least one emergency department visit or hospitalization.
The disorder has four distinct phases — inter-episodic, prodromal, emetic, and recovery — that align with distinct treatment and management strategies. Between episodes, patients typically don’t experience repetitive vomiting but may experience symptoms such as mild nausea, indigestion, and occasional vomiting. Although CVS episodes can happen at any time, most tend to occur in the early morning.
For diagnosis, clinicians should consider CVS in adults presenting with episodic bouts of repetitive vomiting, following criteria established by the Rome Foundation. Rome IV criteria include acute-onset vomiting lasting less than 7 days, at least three discrete episodes in a year with two in the previous 6 months, and an absence of vomiting between episodes separated by at least 1 week of baseline health.
About 65% of patients with CVS experience prodromal symptoms, which last for about an hour before the onset of vomiting and may include panic, a sense of doom, and an inability to communicate effectively. During prodromal or emetic phases, patients have also reported fatigue, brain fog, restlessness, anxiety, headache, bowel urgency, abdominal pain, flushing, or shakiness.
As with migraines, CVS episodes may often be triggered by psychological and physiological factors, particularly stress. Episodes can stem from both negative stress, such as a death or relationship conflicts, as well as positive stress, such as birthdays and vacations. Other triggers include sleep deprivation, hormonal fluctuations linked to the menstrual cycle, travel, motion sickness, or acute infections.
Adult CVS is associated with several conditions, particularly mood disorders, including anxiety, depression, and panic disorder. Patients may also experience migraines, seizure disorders, or autonomic imbalances, such as postural orthostatic tachycardia syndrome, which may indicate pathophysiological mechanisms and routes for management.
The American Neurogastroenterology and Motility Society recommends testing to rule out similar or overlapping conditions, such as Addison’s disease, hypothyroidism, and hepatic porphyria. Diagnostic workup should include blood work, urinalysis, and one-time esophagogastroduodenoscopy or upper gastrointestinal imaging. Repeated imaging and gastric emptying scans should be avoided.
Providing Treatment and Prevention
For treatment, knowing the CVS phase is “essential,” the authors wrote. For instance, during the prodromal phase, abortive therapies can halt the transition to the emetic phase, and earlier intervention is associated with a higher probability of stopping an episode. The authors recommend intranasal sumatriptan, ondansetron, antihistamines, and sedatives.
During the emetic phase, supportive therapy can help terminate the episode. This may include continuing the abortive regimen and going to the emergency department for hydration and antiemetic medications. Patients may also find relief in a quiet, darker room in the emergency department, along with IV benzodiazepines, with the goal of inducing sedation.
During the recovery phase, patients should rest and focus on rehydration and nutrition to return to the well phase.
During the well or inter-episodic phase, patients can follow lifestyle measures to identify and avoid triggers, such as taking prophylactic medication (tricyclic antidepressants, anticonvulsants, and neurokinin-1 receptor antagonists such as aprepitant), reducing stress, and implementing a good sleep routine.
As part of patient education, clinicians can discuss the four phases and rehearse the actions to take to prevent or stop an episode.
“CVS has a significant impact on patients, families, and the healthcare system. The unpredictable and disruptive nature of episodes can result in reduced health-related quality of life, job loss precipitated by work absenteeism, and even divorce,” said Rosita Frazier, MD, a gastroenterologist at Mayo Clinic Arizona in Scottsdale who specializes in DGBI and CVS. Dr. Frazier, who wasn’t involved with the clinical practice update, has previously written about CVS diagnosis and management.
“Providing an individualized care plan for all patients could potentially address this problem and improve the physician-patient interaction,” she said. “Educational efforts to raise awareness among the medical community and increase both patient and provider engagement can optimize outcomes and are needed to address this critical problem.”
The authors received no specific funding for this update. Dr. Levinthal is a consultant for Takeda Pharmaceuticals and Mahana. Dr. Frazier reported no relevant financial disclosures.
, according to a new clinical practice update from the American Gastroenterological Association.
CVS affects up to 2% of U.S. adults and is more common in women, young adults, and those with a personal or family history of migraine headaches. However, most patients don’t receive a diagnosis or often experience years of delay in receiving effective treatment.
“A diagnosis is a powerful tool. Not only does it help patients make sense of debilitating symptoms, but it allows healthcare providers to create an effective treatment plan,” said author David J. Levinthal, MD, AGAF, director of the Neurogastroenterology and Motility Center at the University of Pittsburgh Medical Center.
The update was published online in Gastroenterology.
Understanding Cyclic Vomiting Syndrome
CVS is a chronic disorder of gut-brain interaction (DGBI), which is characterized by acute episodes of nausea and vomiting, separated by time without symptoms. Patients can usually identify a pattern of symptoms that show up during and between episodes.
CVS can vary, ranging from mild — with less than four episodes per year and lasting less than 2 days — to moderate-severe — with more than four episodes per year, lasting more than 2 days, and requiring at least one emergency department visit or hospitalization.
The disorder has four distinct phases — inter-episodic, prodromal, emetic, and recovery — that align with distinct treatment and management strategies. Between episodes, patients typically don’t experience repetitive vomiting but may experience symptoms such as mild nausea, indigestion, and occasional vomiting. Although CVS episodes can happen at any time, most tend to occur in the early morning.
For diagnosis, clinicians should consider CVS in adults presenting with episodic bouts of repetitive vomiting, following criteria established by the Rome Foundation. Rome IV criteria include acute-onset vomiting lasting less than 7 days, at least three discrete episodes in a year with two in the previous 6 months, and an absence of vomiting between episodes separated by at least 1 week of baseline health.
About 65% of patients with CVS experience prodromal symptoms, which last for about an hour before the onset of vomiting and may include panic, a sense of doom, and an inability to communicate effectively. During prodromal or emetic phases, patients have also reported fatigue, brain fog, restlessness, anxiety, headache, bowel urgency, abdominal pain, flushing, or shakiness.
As with migraines, CVS episodes may often be triggered by psychological and physiological factors, particularly stress. Episodes can stem from both negative stress, such as a death or relationship conflicts, as well as positive stress, such as birthdays and vacations. Other triggers include sleep deprivation, hormonal fluctuations linked to the menstrual cycle, travel, motion sickness, or acute infections.
Adult CVS is associated with several conditions, particularly mood disorders, including anxiety, depression, and panic disorder. Patients may also experience migraines, seizure disorders, or autonomic imbalances, such as postural orthostatic tachycardia syndrome, which may indicate pathophysiological mechanisms and routes for management.
The American Neurogastroenterology and Motility Society recommends testing to rule out similar or overlapping conditions, such as Addison’s disease, hypothyroidism, and hepatic porphyria. Diagnostic workup should include blood work, urinalysis, and one-time esophagogastroduodenoscopy or upper gastrointestinal imaging. Repeated imaging and gastric emptying scans should be avoided.
Providing Treatment and Prevention
For treatment, knowing the CVS phase is “essential,” the authors wrote. For instance, during the prodromal phase, abortive therapies can halt the transition to the emetic phase, and earlier intervention is associated with a higher probability of stopping an episode. The authors recommend intranasal sumatriptan, ondansetron, antihistamines, and sedatives.
During the emetic phase, supportive therapy can help terminate the episode. This may include continuing the abortive regimen and going to the emergency department for hydration and antiemetic medications. Patients may also find relief in a quiet, darker room in the emergency department, along with IV benzodiazepines, with the goal of inducing sedation.
During the recovery phase, patients should rest and focus on rehydration and nutrition to return to the well phase.
During the well or inter-episodic phase, patients can follow lifestyle measures to identify and avoid triggers, such as taking prophylactic medication (tricyclic antidepressants, anticonvulsants, and neurokinin-1 receptor antagonists such as aprepitant), reducing stress, and implementing a good sleep routine.
As part of patient education, clinicians can discuss the four phases and rehearse the actions to take to prevent or stop an episode.
“CVS has a significant impact on patients, families, and the healthcare system. The unpredictable and disruptive nature of episodes can result in reduced health-related quality of life, job loss precipitated by work absenteeism, and even divorce,” said Rosita Frazier, MD, a gastroenterologist at Mayo Clinic Arizona in Scottsdale who specializes in DGBI and CVS. Dr. Frazier, who wasn’t involved with the clinical practice update, has previously written about CVS diagnosis and management.
“Providing an individualized care plan for all patients could potentially address this problem and improve the physician-patient interaction,” she said. “Educational efforts to raise awareness among the medical community and increase both patient and provider engagement can optimize outcomes and are needed to address this critical problem.”
The authors received no specific funding for this update. Dr. Levinthal is a consultant for Takeda Pharmaceuticals and Mahana. Dr. Frazier reported no relevant financial disclosures.
FROM GASTROENTEROLOGY