Complications and Surveillance After Bariatric Surgery

  • Seth J. Concors
  • Brett L. Ecker
  • Richard Maduka
  • Alyssa Furukawa
  • Steven E. Raper
  • Daniel D. Dempsey
  • Noel N. Williams
  • Kristoffel R. DumonEmail author
Neurologic Manifestations of Systemic Disease (A Pruitt, Section Editor)
Part of the following topical collections:
  1. Topical Collection on Neurologic Manifestations of Systemic Disease

Opinion statement

Bariatric surgery represents a durable and safe treatment modality for morbid obesity. Bariatric surgery results in weight loss by one of two—and possibly both—primary mechanisms, reducing the amount of tolerable intake (restrictive) and reducing the amount of nutrients absorbed by bypassing absorptive intestine (malabsorptive). These procedures have consistently demonstrated superior resolution of obesity and many associated co-morbid conditions as compared to medical management. Beyond the periprocedural complications of surgery, there are longitudinal risks such as weight regain, anatomic complications, and micronutrient deficiencies. Complications related to the anatomic alteration after bariatric surgery include internal herniation, marginal ulcers, dumping syndrome, and gastric band-related complications. Physicians who take care of bariatric patients at any point in their post-operative care must be vigilant for these complications, as they may necessitate urgent intervention or re-operation. Micronutrient deficiencies, which commonly occur after malabsorptive procedures, may present with a wide range of symptoms—including neuropathies, anemia, poor wound healing, and hair loss, among others. Deficiencies of vitamins and minerals frequently result in the need for long-term supplementation and may necessitate intravenous repletion when severe. Bariatric surgery may also alter the absorption of commonly prescribed medications, including anti-psychotic medications.


Bariatric surgery Gastric bypass Sleeve gastrectomy Malnutrition Micronutrients 


Compliance with Ethical Standards

Conflict of Interest

The authors declare that they have no competing interests.

Human and Animal Rights and Informed Consent

This article does not contain any studies with human or animal subjects performed by any of the authors.

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Copyright information

© Springer Science+Business Media New York 2016

Authors and Affiliations

  • Seth J. Concors
    • 1
  • Brett L. Ecker
    • 1
  • Richard Maduka
    • 1
  • Alyssa Furukawa
    • 1
  • Steven E. Raper
    • 1
  • Daniel D. Dempsey
    • 1
  • Noel N. Williams
    • 1
  • Kristoffel R. Dumon
    • 1
    Email author
  1. 1.Penn Medicine, Department of SurgeryPhiladelphiaUSA

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