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Sleep Apnea Severity not linked to blood sugar control in T2DM
![Sleep Apnea Severity not linked to blood sugar control in T2DM Sleep Apnea Severity not linked to blood sugar control in T2DM](https://medicaldialogues.in/h-upload/2021/03/27/750x450_150679-sleep-apnea.webp)
The prevalence of type 2 diabetes mellitus (T2DM) has increased worldwide. It has been suggested that insufficient sleep and/or sleep disorders may play an important role in the development of impaired blood sugar control. In a recent study, researchers have reported that Obstructive sleep apnea (OSA) was present among patients with either prediabetes or diagnosed but untreated type 2 diabetes. However, the OSA's severity or short duration of sleep were not significantly tied to measures of β-cell responses or insulin sensitivity. The research has been published in the journal Diabetes Care on February 05, 2021.
Obstructive sleep apnea (OSA) has been identified as an independent risk factor for T2DM potential mechanisms include sympathetic activation, oxidative stress, inflammation, and/or hypothalamic–pituitary–adrenal axis dysfunction. However, the OSA adverse impacts on the pancreatic islet β-cell function remain unclear. Therefore, Dr Babak Mokhlesi and his team conducted a study to investigate the association of OSA and short sleep duration with β-cell function in overweight/obese adults with prediabetes or recently diagnosed treatment-naive type 2 diabetes.
Researchers used data of run-in and baseline phases of the RISE Adult Medication Study. They included 221 participants who completed the baseline procedures for the RISE study, polysomnography and 1 week of actigraphy. Of these patients, 73% had prediabetes, 27% had recently diagnosed treatment-naive T2D. They analyzed both insulin sensitivity and β-cell responses to identify which components of the glucose regulatory pathway were associated with OSA and sleep duration. They used an adjusted regressive model to evaluate the associations of measures of OSA and actigraphy-derived sleep duration with HbA1c, OGTT-derived, and clamp-derived outcomes. They determined the OSA as an apnea-hypopnea index (AHI) of five or more events per hour, was present in 89% of the participants (20% mild, 28% moderate, 41% severe).
Key findings of the study were:
- The researchers observed that the mean ± SD objective sleep duration by actigraphy was 6.6 ± 1.0 h/night.
- They noted that higher AHI was associated with higher HbA1c.
- However, they also noted that the OSA severity, measured either by AHI as a continuous variable or by categories of OSA severity and sleep duration (continuous or <6 vs ≥6 h) were not associated with fasting glucose, 2-h glucose, insulin sensitivity, or β-cell responses.
The authors concluded, " In this baseline cross-sectional analysis of the RISE clinical trial of adults with prediabetes or recently diagnosed, untreated type 2 diabetes, the prevalence of OSA was high. Although some measures of OSA severity were associated with HbA1c, OSA severity and sleep duration were not associated with measures of insulin sensitivity or β-cell responses."
For further information:
https://care.diabetesjournals.org/content/early/2021/02/05/dc20-2127
Medical Dialogues Bureau consists of a team of passionate medical/scientific writers, led by doctors and healthcare researchers. Our team efforts to bring you updated and timely news about the important happenings of the medical and healthcare sector. Our editorial team can be reached at editorial@medicaldialogues.in.
Dr Kamal Kant Kohli-MBBS, DTCD- a chest specialist with more than 30 years of practice and a flair for writing clinical articles, Dr Kamal Kant Kohli joined Medical Dialogues as a Chief Editor of Medical News. Besides writing articles, as an editor, he proofreads and verifies all the medical content published on Medical Dialogues including those coming from journals, studies,medical conferences,guidelines etc. Email: editorial@medicaldialogues.in. Contact no. 011-43720751