نتایج جستجو برای: valsalva leak point pressure
تعداد نتایج: 929363 فیلتر نتایج به سال:
OBJECTIVE To study the role of women's position as a stimulus of urgency, and specifically the change of position, i.e. to stand up form a lying or sitting position. Thus, we compared clinical and urodynamics characteristics among women with overactive bladder syndrome (OAB) depending of the position which could trigger urgency. METHODS Thirty-eight females with complaints of urgency, without...
BACKGROUND Urinary incontinence is a significant medico-social problem and its incidence increases up to 70% in the postmenopausal period. OBJECTIVES We aimed to compare the efficacy and safety of transobturator adjustable tape (TOT) and mini sling in female urinary incontinence. MATERIAL AND METHODS A total of 69 patients were included in the study. Single surgeon applied TOT (n=56 with IS...
PURPOSE The Remeex (Mechanical External Regulation) sling is a mid-urethral sling that allows adjustment of the sling tension in the postoperative period. We evaluated the early outcomes of the procedure in patients in whom the success rate of tension-free slings is low, such as with intrinsic sphincter deficiency (ISD). MATERIALS AND METHODS We included 17 women with urodynamically proven st...
When a natural gas pipeline ruptures, the adjacent upstream and downstream automatic control valves (ACV) should close quickly to prevent leakage or explosion. The differential pressure set point (DPS) at each valve location is the main criteria for value setting in ACV actions. If the DPS is not properly adjusted, the ACV may mistakenly close or it may not take any actions at a proper ti...
PURPOSE Most animal models of stress urinary incontinence simulate maternal injuries of childbirth since delivery is a major risk factor but they do not reproduce the nerve stretch known to occur during human childbirth. We hypothesized that pudendal nerve stretch produces reversible dysfunction of the external urethral sphincter. MATERIALS AND METHODS Female virgin Sprague-Dawley® rats were ...
UNLABELLED We conducted a randomized, cross-over study of 20 paralyzed anesthetized adult patients to test the hypothesis that oropharyngeal leak pressure and cuff position (assessed fiberoptically) vary with head and neck position for the flexible (FLMA) and standard laryngeal mask airway (LMA). Both devices were inserted into each patient in random order. Oropharyngeal leak pressure and fiber...
BACKGROUND Nasal noninvasive ventilation (NIV) is a common form of noninvasive respiratory mode used in newborn infants. A next-generation nasal cannula (Neotech RAM cannula) has recently been used to provide nasal NIV. The impact of the Neotech RAM cannula on the delivery of pressure needs to be studied. METHODS In this ex vivo experimental design, a lung simulator (IngMar ASL 5000, version ...
BACKGROUND AND PURPOSE MR imaging is currently not used to evaluate CSF flow changes due to short-lasting physiological maneuvers. The purpose of this study was to evaluate the ability of MR imaging to assess the CSF flow response to a Valsalva maneuver in healthy participants. MATERIALS AND METHODS A cardiac-gated fast cine-PC sequence with ≤15-second acquisition time was used to assess CSF ...
PURPOSE To investigate lamina cribrosa (LC) displacement during the Valsalva maneuver in young healthy eyes using enhanced depth imaging (EDI) spectral-domain optical coherence tomography (SD-OCT). METHODS Forty-eight eyes of 48 young healthy volunteers (age range: 20-34 years) underwent intraocular pressure (IOP) measurement by Goldmann applanation tonometry as well as Cirrus HD-OCT scans be...
This study was performed to compare continuous Finapres (FIN) and intrabrachial (IAP) blood pressure in healthy elderly volunteers. Fifteen elderly subjects (age 71 to 83) without cardiovascular disease and an intraarterial mean (range) systolic and diastolic blood pressure of 162 (122 to 195) and 73 (62 to 88) mm Hg, respectively, participated in the study. A 10-min head-up tilt, 10 min active...
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