Autonomic Changes in Preoperative Uncomplicated Diabetic Patients with Postural Changes  

Oleh:

Yun, W.H ; Min, S.W. ; Huh, J. ; Ro, Y.J. ; Kim, C.S.

Jenis: Article from Journal - ilmiah internasional
Dalam koleksi: The Journal of International Medical Research vol. 38 no. 05 (Sep. 2010), page 1764-1771.
Topik: Diabetes; Preoperative; Power Spectral Analysis; Autonomic Nervous System; Postural Position; Heart Rate Variability
Fulltext: s22.pdf (123.84KB)

Ketersediaan

Perpustakaan FK Nomor Panggil: J11.K Non-tandon: 1 (dapat dipinjam: 0) Tandon: tidak ada

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Isi artikel

Diabetic autonomic neuropathy is a critical complication frequently encountered in anaesthetic and surgical practice. Power spectral analysis is a noninvasive tool for monitoring frequency analysis of heart rate variability (HRV) and autonomic control of the heart. This study examined HRV changes in preoperative diabetic patients without overt signs of autonomic dysfunction and in matched controls (n = 18 per group). HRV values at -15°, 0°, 15°, 45° and sitting positions were compared between groups and for each position. HRV in diabetic patients was lower than in controls at all positions (absolute units). Low-frequency power (normalized units) and the low-frequency/high-frequency ratio increased significantly at 45° and in sitting positions in controls but not in diabetic patients. Pre-existing autonomic derangements in diabetic patients without overt clinical symptoms can be aggravated by high-degree tilting or sitting positions. Consequently, great care should be taken during the intra- and perioperative management of these patients.

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