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Cognition in patients with post-bariatric hypoglycemia
Alexa Puleio1, Amanda Sheehan1, Gail Musen1,2
1Research Division, Joslin Diabetes Center, Boston, Massachusetts, USA.
Obesity (Silver Spring, Md.)
|September 5, 2023
Summary
Individuals with post-bariatric hypoglycemia (PBH) experience significant cognitive deficits, particularly in verbal fluency and cognitive flexibility, compared to those without PBH after bariatric surgery.
Area of Science:
- Neuroscience
- Endocrinology
- Psychology
Background:
- Bariatric surgery effectively treats obesity but can lead to post-bariatric hypoglycemia (PBH).
- The cognitive impact of recurrent hypoglycemia in PBH patients remains largely unknown.
- Understanding these effects is crucial for managing post-surgical patient health.
Purpose of the Study:
- To investigate cognitive function differences between individuals with PBH and those without PBH following bariatric surgery.
- To determine if PBH is associated with impaired memory, executive function, attention, or psychomotor speed.
Main Methods:
- A comparative study involving 14 adults who underwent Roux-en-Y gastric bypass.
- Participants were divided into two groups: PBH+ (n=7) and PBH- (n=7).
- Cognitive assessments included measures of memory, executive function, attention, and psychomotor speed.
Main Results:
- PBH+ individuals showed significantly reduced performance in category fluency and category switching tasks.
- Impaired verbal fluency was observed in the initial and third intervals for the PBH+ group.
- No significant differences were found in other cognitive assessments between the groups.
Conclusions:
- Individuals with PBH may face a higher risk of cognitive impairment.
- Impaired semantic processing and cognitive flexibility are key concerns in PBH patients.
- Difficulties in initiating and sustaining word retrieval suggest specific cognitive challenges in PBH.
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