The endocrinologic changes in critically ill chronic obstructive pulmonary disease patients.
Türkay Akbaş1, Sait Karakurt, Göksenin Unlügüzel
1Marmara University School of Medicine, Department of Internal Medicine and Critical Care Unit, Istanbul, Turkey. turkayakbas@yahoo.com
COPD
|August 3, 2010
Summary
Patients with COPD and acute respiratory failure experience significant neuroendocrine hormone changes, particularly in reproductive and thyroid hormones. These hormonal imbalances improve as the condition resolves, indicating a link between disease severity and endocrine function.
Area of Science:
- Endocrinology
- Pulmonology
- Critical Care Medicine
Background:
- Critical illness and Chronic Obstructive Pulmonary Disease (COPD) independently trigger neuroendocrine system alterations.
- Understanding these hormonal changes in COPD patients with acute respiratory failure is crucial for managing critical illness.
Purpose of the Study:
- To identify specific neuroendocrine hormone profiles in COPD patients experiencing acute respiratory failure.
- To explore the correlation between observed hormonal shifts, patient mortality, and morbidity outcomes.
Main Methods:
- The study included 21 patients with COPD exacerbation requiring mechanical ventilation and 18 healthy controls.
- Blood samples were analyzed on ICU admission and hospital discharge to assess hormone levels.
Main Results:
- Female patients exhibited lower luteinizing hormone (LH), follicle stimulating hormone (FSH), and free triiodothyronine (fT3), with higher prolactin (PRL).
- Male patients showed decreased testosterone and TSH, and elevated PRL; however, only TSH and PRL changes were statistically significant.
- Recovered female patients demonstrated elevated FSH and fT3, and reduced estradiol (E2). A negative correlation was found between E2 and ventilation duration/hospital stay in males.
Conclusions:
- Acute respiratory failure in COPD patients leads to significant neuroendocrine axis disturbances in both sexes.
- Hormonal suppression observed during critical illness is reversible and diminishes with clinical improvement.
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