The aim of this study is to evaluate the changes of venous flow, volume, and resistance in upper (basilic v.) and lower (popliteal v.) extremities of the elderly healthy patients compared with elderly hypertensive patients who undergoing spinal anesthesia for transurethral prostatectomy.
Study Type
INTERVENTIONAL
Allocation
RANDOMIZED
Masking
SINGLE
Enrollment
40
spinal anesthesia (T10) for elective TURP surgery
Severance Hospital, Yonsei University
Seoul, South Korea
Blood flow
Time frame: during 30 min after spinal anesthesia
Blood volume
Time frame: during 30 min after spinal anesthesia
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