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- Ask, Per, et al.
(författare)
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A SHORT-TIME-DELAY URINARY FLOWMETER
- 1985
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Ingår i: Neurourology and Urodynamics. - : Wiley. - 0733-2467 .- 1520-6777. ; 4:3, s. 247-256
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Tidskriftsartikel (refereegranskat)abstract
- A urinary flowmeter has been designed, using a quickly rotating disc and a balance principle. The flowmeter has a fast and accurate response to changing flows. The time delay of the flowmeter is less than about 0.25 s. The improved accuracy in recording urinary flow using the presented flowmeter should make it possible to extract more information from the detrusor pressure and urinary flow relations, relevant for assessing lower urinary tract function.
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| 2. |
- Rundquist, I, et al.
(författare)
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Sciatic nerve blood flow measured by laser Doppler flowmetry and [14C]iodoantipyrine.
- 1985
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Ingår i: American Journal of Physiology. - 0002-9513 .- 2163-5773. ; 248:3 Pt 2, s. H311-317
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Tidskriftsartikel (refereegranskat)abstract
- Blood flow was examined in sciatic nerves of pentobarbital-anesthetized rats by means of laser Doppler flowmetry (LDF) and intravenous [14C]iodoantipyrine infusion. Continuous LDF signals demonstrated slow oscillations and acute, pressure-related changes in flow. The steady-state LDF signal was related linearly to nerve blood flow, as measured with [14C]iodoantipyrine, in intact nerves and nerves stripped of the epineurium. In 14 intact nerves, nerve blood flow averaged 0.27 +/- 0.03 (SE) ml X min-1 X g-1, whereas it averaged 0.13 +/- 0.01 in 5 stripped nerves. Autoradiographs of [3H]-nicotine-infused nerves and intra-arterial injection of 57Co-labeled microspheres demonstrated that flow was not uniform throughout the nerve cross section. The results indicate that LDF can be used to examine nerve blood flow in vivo, demonstrate a linear relation between the LDF signal and flow, and establish absolute values for blood flow in intact and stripped nerves of the anesthetized rat.
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| 8. |
- Tamura, T., et al.
(författare)
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Evaluation of fiber optic photoplethysmography
- 1985
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Ingår i: XIV International Conference on Medical and Biological Engineering and VII International Conference on Medical Physics,1985. ; , s. 1001-
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Konferensbidrag (refereegranskat)
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