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  • Study reveals ethnic...

Study reveals ethnic differences in risk of diabetes-related lower limb complications

Medha BaranwalWritten by Medha Baranwal Published On 2021-06-30T09:00:00+05:30  |  Updated On 2021-06-30T09:00:14+05:30
Study reveals ethnic differences in risk of diabetes-related lower limb complications
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Singapore: A recent study conducted on diabetic multi-ethnic Asian population revealed important ethnic differences in diabetes-related lower extremity complications (DRLECs). The study, published in the journal Diabetologia, found Malays to most likely to progress to DRLEC. Asian people have a different risk of diabetes progression and complications compared to those of European...

Singapore: A recent study conducted on diabetic multi-ethnic Asian population revealed important ethnic differences in diabetes-related lower extremity complications (DRLECs). The study, published in the journal Diabetologia, found Malays to most likely to progress to DRLEC. 

Asian people have a different risk of diabetes progression and complications compared to those of European ancestry. Kavita Venkataraman, National University Health System, Singapore, Republic of Singapore, and colleagues, therefore, aimed to understand the epidemiology of diabetes-related lower extremity complications (DRLECs: symptomatic peripheral arterial disease, ulceration, infection, gangrene) and amputations in a multi-ethnic Asian population.

For this purpose, the researchers conducted a retrospective observational study using data from three integrated public healthcare clusters in Singapore. It included people with incident type 2 diabetes who were of Chinese, Malay, Indian or Other ethnicity. They examined the incidence, time to event, and risk factors of DRLECs and amputation. 

Between 2007 and 2017, of the 156,593 individuals with incident type 2 diabetes, 20,744 developed a DRLEC, of whom 1208 underwent amputation. 

Key findings of the study include:

  • Age- and sex-standardised incidence of first DRLEC and first amputation was 28.29/1000 person-years of diabetes and 8.18/1000 person-years of DRLEC, respectively.
  • Incidence of both was highest in individuals of Malay ethnicity (DRLEC, 36.09/1000 person-years of diabetes; amputation, 12.96/1000 person-years of DRLEC).
  • Median time from diabetes diagnosis in the public healthcare system to first DRLEC was 30.5 months for those without subsequent amputation and 10.9 months for those with subsequent amputation.
  • Median time from DRLEC to first amputation was 2.3 months.
  • Older age, male sex, Malay ethnicity, Indian ethnicity, chronic comorbidities (nephropathy, heart disease, stroke, retinopathy, neuropathy), poorer or missing HbA1c, lower or missing eGFR, greater or missing BMI, missing LDL-cholesterol at diagnosis, and ever-smoking were associated with higher hazard of DRLEC.
  • Retinopathy, peripheral vascular disease, poorer HbA1c, higher or missing LDL-cholesterol and missing BMI were associated with higher hazard of amputation in those with DRLEC.
  • Indian ethnicity was associated with significantly lower hazard of amputation.

"This study has revealed important ethnic differences in risk of diabetes-related lower limb complications, with Malays most likely to progress to DRLEC," wrote the authors.

"Greater research efforts are needed to understand the aetiopathological and sociocultural processes that contribute to the higher risk of lower extremity complications among these ethnic groups," they concluded.

Reference:

The study titled, "Diabetes-related lower extremity complications in a multi-ethnic Asian population: a 10 year observational study in Singapore," is published in the journal Diabetologia.

DOI: https://link.springer.com/article/10.1007/s00125-021-05441-3


Diabetologia type 2 diabetes diabetes complications diabetic foot ulcer amputation 
Source : Diabetologia
Medha Baranwal
Medha Baranwal

    Medha, MSc. Biotechnology

    Medha Baranwal joined Medical Dialogues as an Editor in 2018 for Speciality Medical Dialogues. She covers several medical specialties including Cardiac Sciences, Dentistry, Diabetes and Endo, Diagnostics, ENT, Gastroenterology, Neurosciences, and Radiology. She has completed her Bachelors in Biomedical Sciences from DU and then pursued Masters in Biotechnology from Amity University. She has a working experience of 5 years in the field of medical research writing, scientific writing, content writing, and content management. She can be contacted at  editorial@medicaldialogues.in. Contact no. 011-43720751

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