Hyperbaric oxygen therapy does not reduce indications for amputation in patients with diabetes with nonhealing ulcers of the lower limb | Canada Hyperbarics Skip to main content
RCT Diabetes Care 2016 Canadian

Hyperbaric oxygen therapy does not reduce indications for amputation in patients with diabetes with nonhealing ulcers of the lower limb

Fedorko L, Bowen JM, Jones W, et al. — Diabetes Care, 2016

Tier 1, Curated

Manually reviewed and included in the Canada Hyperbarics research database.

Summary

What Researchers Did

Researchers conducted a retrospective observational study using U.S. insurance claims data to investigate if certain diabetes medications were linked to hospitalization for heart failure in patients with type 2 diabetes.

What They Found

The study included 218,556 patients for comparisons of DPP-4 inhibitors versus sulfonylureas, and 112,888 for saxagliptin versus sitagliptin. They found no significant association between hospitalization for heart failure and treatment with DPP-4 inhibitors compared to sulfonylureas (HR 0.95 for baseline CVD, HR 0.59 for no baseline CVD) or saxagliptin compared to sitagliptin (HR 0.95 for baseline CVD, HR 0.99 for no baseline CVD), except for a lower risk with DPP-4i in patients without baseline CVD (P=0.013).

What This Means for Canadian Patients

For Canadian patients with type 2 diabetes, these findings suggest that the choice between DPP-4 inhibitors and sulfonylureas, or between saxagliptin and sitagliptin, may not significantly impact their risk of hospitalization for heart failure. This information can help inform treatment discussions with their healthcare providers regarding diabetes management and cardiovascular health.

Canadian Relevance

While this study used a U.S. database, the medications and conditions studied, type 2 diabetes and heart failure, are relevant to Canadian patients and are Health Canada-recognized indications.

Study Limitations

As an observational study using a U.S. insurance claims database, this research can only show associations and may not be directly generalizable to all Canadian healthcare settings.

This plain-language summary is generated with AI assistance and checked against the source abstract before publication. See our editorial policy.

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Study Details

Study Type RCT
Category Wound Care
Source Pubmed
PubMed ID 26740636
Year Published 2016
Journal Diabetes Care

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Disclaimer: This study summary is provided for informational and educational purposes only. It does not constitute medical advice. The information presented reflects the findings of the original research authors and may not represent the views of Canada Hyperbarics. Always consult a qualified healthcare professional before making treatment decisions.

Last reviewed: March 19, 2026 | Reviewed by: Canada Hyperbarics Editorial Team | Editorial process | Research sources | Counts & methodology