New cancers in type 2 diabetes with diabetic foot disease

NewsBot · Oct 5, 2023

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More new cancers in type 2 diabetes with diabetic foot disease: A longitudinal observational study
Fadi Alkhami et al
Diabetes Metab Syndr. 2023 Sep 27;17(10):102859

Objective: Cancer has been proposed as the primary cause of death in type 2 diabetes (T2D). The life expectancy is reduced after a diabetic foot ulcer. We investigated whether Diabetic Foot Disease related to an increased risk of developing a new cancer.

Research design and methods: We conducted a retrospective analysis on a cohort of patients hospitalized for T2D between 2009 and 2017, stratified for the risk of diabetic foot ulcer (International Working Group on Diabetic Foot classification). We highlighted new cancers in their medical records until December 2020. The relationship between Diabetic Foot Disease and later cancers was analyzed by multivariable Cox regression and survival curves were compared.

Results: Among 519 patients, 27% had a Diabetic Foot Disease, and 159 were classified as grades 1 or 2 (at risk). As compared to the 218 patients graded 0 according to the IWGDF, they were more men, older, with a longer duration of diabetes, more vascular complications, a greater incidence of insulin use, and a higher skin autofluorescence. During the 54 months of follow-up, 63 (12.1%) new cancers were diagnosed. Baseline Diabetic Foot Disease was significantly associated with a higher risk of cancer (multivariable adjusted Hazard ratio: 2.08, 95%CI: 1.02-4.25), whereas the relation was not significant for subjects at risk of DFU (HR: 1.65, 95%CI:0.81-3.35) CONCLUSION: The risk of cancer was increased twofold in T2D with Diabetic Foot Disease.
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NewsBot · Oct 5, 2023

Related:
Malignant Melanoma Misdiagnosed as a Diabetic Foot Ulcer

NewsBot · Apr 25, 2024

Higher Prevalence of Cancer in Patients with Diabetic Foot Syndrome
Chiara Goretti et al
J. Clin. Med. 2024, 13(5), 1448; https://doi.org/10.3390/jcm13051448

Background: Diabetes mellitus (DM) is associated with a higher prevalence of many forms of cancer. Diabetic foot syndrome (DFS) is associated with higher risk of lower limb amputation and mortality not all explainable with a cardiovascular profile at greater risk compared with DM patients without DFS. DFS could be associated with an increasing cancer incidence. To explore a possible link between DFS and cancer, comparing two cohorts of patients (DFS+ and DFS−) with a cohort of superimposable non-DM controls. Methods: We retrospectively analysed the databases of our department for all consecutive patients admitted between January 2019 and December 2021, selecting all DM pts, and sorting DFS+ pts, admitted for foot complications, from DFS− ones, admitted for other reasons. Cases of pancreatic cancer as well as cancer-related admissions were excluded. Patients were compared to non-DM patients admitted for non-oncological medical problems. The primary endpoint was to compare the prevalence of cancer among the groups, while the secondary endpoint was to look for predictors for cancer in the groups studied. Results: A cohort of 445 consecutive DM inpatients (222 DFS+ and 223 DFS−) and 255 controls were studied. Cancer prevalence in DFS+ group was significantly higher than in DFS− (p = 0.008) and controls (p = 0.031), while no differences were observed between DFS− and the controls. Univariate regression analysis showed a significant association between cancer and DFS (p = 0.007), age at admission (p ≤ 0.001), years of diabetes (p = 0.017) and haemoglobin concentration [Hb] (p = 0.030). In the multivariate regression analysis with DFS, age at admission and [Hb], only DFS (p = 0.021) and age at admission (p ≤ 0.001) persisted as independent factors associated with cancer. Conclusions: A higher prevalence of cancer in DFS+ patients than in DFS− patients and non-diabetic controls is reported. DFS and age can both be considered independent predictors of cancer in patients with DM.
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