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Valsalva Maneuver

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21. What adds Valsalva maneuver to hemostasis after Trendelenburg’s positioning during thyroid surgery? (PubMed)

What adds Valsalva maneuver to hemostasis after Trendelenburg’s positioning during thyroid surgery? Bleeding after thyroidectomy is life-threatening. The aim of the study was to evaluate whether controlling of further bleeding with Valsalva maneuver following Trendelenburg's positioning has an impact on hemostasis.This prospective study included 68 consecutive patients undergoing thyroidectomy. Study protocol consisted of performing manual intra-abdominal pressure increase and Valsalva (...) maneuver to check hemostasis and treating any bleeding point identified, after Trendelenburg's positioning. All identified bleeding points and treatments were recorded.Total number of bleeding points identified in Trendelenburg's tilt was 49, while it was 41 when using Valsalva maneuver. Abdominal pressure increase, carried out before Valsalva maneuver, identified 14 bleeding points, which was less than bleeding after Trendelenburg's positioning and Valsalva maneuver (P<0.05). All bleeding points

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2017 Gland surgery

22. Valsalva maneuver using a Handmade Device in Supraventricular Tachycardia Reversion; a Quasi Experimental Study (PubMed)

Valsalva maneuver using a Handmade Device in Supraventricular Tachycardia Reversion; a Quasi Experimental Study The use of vagal nerve stimulation is identified as a proper treatment option in patients with stable supraventricular tachycardia (SVT). This study aimed to assess the success of Valsalva maneuver via a handmade device in reversion of SVT.In this quasi experimental study, using a handmade device, vagus nerve stimulation was performed for SVT patients presenting to emergency (...) maneuver had history of SVT (p = 0.031). There was not any significant association between success rate and sex (p = 0.084), age (p = 0.744), or other medical histories (p ≥ 0.05).Based on the results of the present study, the success rate of Valsalva maneuver with the mentioned handmade device was calculated to be 14.8%. The only independent related factor of successful reversion was SVT history.

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2017 Emergency

23. Anterior Displacement of Lamina Cribrosa during Valsalva Maneuver in Young Healthy Eyes (PubMed)

Anterior Displacement of Lamina Cribrosa during Valsalva Maneuver in Young Healthy Eyes 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).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 before and during the Valsalva (...) maneuver. The optic nerve head (ONH) parameters (average retinal nerve fiber layer thickness, rim area, disc area, average C/D ratio, vertical C/D ratio, cup volume), anterior LC depth (LCD), subfoveal and peripapillary choroidal thickness, and neural canal opening diameter were measured on compensated OCT and compared during Valsalva challenge. The subjects were asked to take a five-minute break after each Valsalva maneuver.During the Valsalva maneuver, the IOP significantly increased, from 12.7 ± 3.0

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2016 PloS one

24. Systolic time intervals combined with Valsalva maneuver for the diagnosis of left ventricular dysfunction in COPD exacerbations (PubMed)

Systolic time intervals combined with Valsalva maneuver for the diagnosis of left ventricular dysfunction in COPD exacerbations The goal of this study was to determine the value of systolic time intervals and their change during Valsalva maneuver (VM) in the diagnosis of left ventricular dysfunction (LVD) in patients with acute exacerbation of chronic obstructive pulmonary disease (AECOPD).We included 166 patients admitted to the emergency department for AECOPD. Measurement of systolic time

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2016 International journal of chronic obstructive pulmonary disease

25. The Effects of Valsalva Maneuver on Head, Neck and Upper Extremity Arterial Systems

The Effects of Valsalva Maneuver on Head, Neck and Upper Extremity Arterial Systems The Effects of Valsalva Maneuver on Head, Neck and Upper Extremity Arterial Systems - Full Text View - ClinicalTrials.gov Hide glossary Glossary Study record managers: refer to the if submitting registration or results information. Search for terms x × Study Record Detail Saved Studies Save this study Warning You have reached the maximum number of saved studies (100). Please remove one or more studies before (...) adding more. The Effects of Valsalva Maneuver on Head, Neck and Upper Extremity Arterial Systems The safety and scientific validity of this study is the responsibility of the study sponsor and investigators. Listing a study does not mean it has been evaluated by the U.S. Federal Government. Read our for details. ClinicalTrials.gov Identifier: NCT02832310 Recruitment Status : Completed First Posted : July 14, 2016 Last Update Posted : February 6, 2018 Sponsor: Tokat Gaziosmanpasa University

2016 Clinical Trials

26. Valsalva maneuver unveils central baroreflex dysfunction with altered blood pressure control in persons with a history of mild traumatic brain injury. (PubMed)

Valsalva maneuver unveils central baroreflex dysfunction with altered blood pressure control in persons with a history of mild traumatic brain injury. Patients with a history of mild TBI (post-mTBI-patients) have an unexplained increase in long-term mortality which might be related to central autonomic dysregulation (CAD). We investigated whether standardized baroreflex-loading, induced by a Valsalva maneuver (VM), unveils CAD in otherwise healthy post-mTBI-patients.In 29 healthy persons (31.3 (...) -of-successive-RRIs (RMSSD), RRI-high-frequency-powers (HF)], the index of sympatho-vagal balance (RRI LF/HF-ratios), and baroreflex sensitivity (BRS). We calculated Valsalva-ratios (VR) and times from lowest to highest RRIs after strain (VR-time) as indices of parasympathetic activation, intervals from highest systolic BP-values after strain-release to the time when systolic BP had fallen by 90 % of the differences between peak-phase-IV-BP and baseline-BP (90 %-BP-normalization-times), and velocities of BP

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2016 BMC Neurology

27. Detailed Relationship Between the Pattern of Blood Pressure Change During the Valsalva Maneuver and the Degree of Orthostatic Hypotension During the Head-Up Tilt Test in Patients With Orthostatic Intolerance: A Retrospective Case-Control Study. (PubMed)

Detailed Relationship Between the Pattern of Blood Pressure Change During the Valsalva Maneuver and the Degree of Orthostatic Hypotension During the Head-Up Tilt Test in Patients With Orthostatic Intolerance: A Retrospective Case-Control Study. Although the head-up tilt (HUT) test and Valsalva maneuver (VM) have been widely used to identify sympathetic adrenergic impairment, the detailed relationship between the degree of orthostatic hypotension (OH) during the HUT test and the pattern of blood

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2016 Medicine

28. Valsalva Maneuver

Valsalva Maneuver Valsalva Maneuver Toggle navigation Brain Head & Neck Chest Endocrine Abdomen Musculoskeletal Skin Infectious Disease Hematology & Oncology Cohorts Diagnostics Emergency Findings Procedures Prevention & Management Pharmacy Resuscitation Trauma Emergency Procedures Ultrasound Cardiovascular Emergencies Lung Emergencies Infectious Disease Pediatrics Neurologic Emergencies Skin Exposure Miscellaneous Abuse Cancer Administration 4 Valsalva Maneuver Valsalva Maneuver Aka: Valsalva (...) Maneuver , Valsalva's Maneuver , Modified Valsalva Maneuver II. Technique Forceful expiration against a closed mouth and nose III. Physiology Increases intrathoracic pressure Briefly (<3-5 seconds) results in mildly increased Decreases venous return After first 3-5 seconds, results in fall in , and typically drop in IV. Indications Pressure equalization of nose and sinuses Examples: Drop in altitude in plane flight or increased external pressure in diving Other maneuvers are preferred (yawning

2018 FP Notebook

29. Differences in the Biometry of the Levator Hiatus at Rest, During Contraction, and During Valsalva Maneuver Between Women With and Without Provoked Vestibulodynia Assessed by Transperineal Ultrasound Imaging. (PubMed)

Differences in the Biometry of the Levator Hiatus at Rest, During Contraction, and During Valsalva Maneuver Between Women With and Without Provoked Vestibulodynia Assessed by Transperineal Ultrasound Imaging. Pelvic floor muscle (PFM) involvement is suspected in the pathophysiology of provoked vestibulodynia (PVD); however, the underlying mechanisms are unclear. PFM morphology can be inferred from the biometry of the levator hiatus determined through dynamic ultrasound imaging.The aim (...) of this study was to determine the nature of PFM involvement in women with PVD via an evaluation of the biometry of the levator hiatus at rest, upon maximal voluntary contraction (MVC) of the PFMs, and upon maximal Valsalva maneuver (MVM).Thirty-eight women with PVD and 39 asymptomatic controls were imaged using 3D transperineal ultrasound. Levator hiatal dimensions (area; left-right [LR] and anteroposterior [AP] diameters) were measured at rest, on MVC, and on MVM. Differences in hiatal dimensions

2016 Journal Of Sexual Medicine

30. The effect of Valsalva maneuver in attenuating skin puncture pain during spinal anesthesia: a randomized controlled trial. (PubMed)

The effect of Valsalva maneuver in attenuating skin puncture pain during spinal anesthesia: a randomized controlled trial. Valsalva maneuver reduces pain by activating sinoaortic baroreceptor reflex arc. We planned this study to evaluate the role of valsalva in attenuating spinal needle-puncture pain.Ninety American Society of Anesthesiologists (ASA) grade I and II enrolled patients undergoing elective surgery were randomized into 3 groups of 30 each. Group I (Control): didn't blow; group II (...) (Distraction): patients blew into rubber tube; Group III (Valsalva): blew into sphygmomanometer tube and raise mercury column up to 30 mmHg for at least 20 seconds. During above procedures, spinal puncture was performed with 25-gauge spinal needle.Eighty-two patient data were analyzed. Incidence of spinal puncture pain was reduced to 10% (3 of 27) in Valsalva group as compared to 100% (28 of 28 in control group and 27 of 27 in Distraction group) observed in other two groups (P < 0.05). Severity of lumbar

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2016 Korean journal of anesthesiology

31. Effects of Valsalva Maneuver on Anterior Chamber Parameters and Choroidal Thickness in Healthy Chinese: An AS-OCT and SS-OCT Study. (PubMed)

Effects of Valsalva Maneuver on Anterior Chamber Parameters and Choroidal Thickness in Healthy Chinese: An AS-OCT and SS-OCT Study. This study concurrently evaluated the effects of the Valsalva maneuver (VM) on the anterior and posterior ocular biometric parameters in a healthy Chinese cohort.This prospective, cross-sectional study used anterior segment optical coherence tomography (AS-OCT) and swept-source optical coherence tomography (SS-OCT) to measure the anterior and posterior ocular

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2016 Investigative Ophthalmology & Visual Science

32. Sex Differences in Insular Cortex Gyri Responses to the Valsalva Maneuver (PubMed)

Sex Differences in Insular Cortex Gyri Responses to the Valsalva Maneuver Sex differences in autonomic regulation may underlie cardiovascular disease variations between females and males. One key autonomic brain region is the insular cortex, which typically consists of five main gyri in each hemisphere, and shows a topographical organization of autonomic function across those gyri. The present study aims to identify possible sex differences in organization of autonomic function in the insula (...) . We studied brain functional magnetic resonance imaging (fMRI) responses to a series of four 18-s Valsalva maneuvers in 22 healthy females (age ± SD: 50.0 ± 7.9 years) and 36 healthy males (45.3 ± 9.2 years). Comparisons of heart rate (HR) and fMRI signals were performed with repeated measures ANOVA (threshold P < 0.05 for all findings). All subjects achieved the target 30 mmHg expiratory pressure for all challenges. Typical HR responses were elicited by the maneuver, including HR increases from

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2016 Frontiers in neurology

33. Comparison of internal jugular vein dilation between Valsalva maneuver and proximal internal jugular vein compression (PubMed)

Comparison of internal jugular vein dilation between Valsalva maneuver and proximal internal jugular vein compression The Valsalva maneuver is recognized as an effective method to dilate the internal jugular vein (IJV). However, this maneuver cannot be performed in many cases, such as children and unconscious patients. The aim of this study was to evaluate the effectiveness of proximal IJV compression, which can easily be performed, regardless of patient cooperation.Healthy adult volunteers (...) were recruited from tertiary hospital employees. Basic anatomic and physiologic data were collected. The subjects lay down as if they were undergoing IJV catheter insertion, in the supine position with their necks turned 30 degrees to the left. The main outcome was the cross-sectional area (CSA) of the distal IJV as measured by ultrasound in four stages. The first stage was sham without any maneuver. The second was Valsalva maneuver, the third was digital IJV compression, and the fourth was digital

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2016 Clinical and experimental emergency medicine

34. Balloon assisted valsalva maneuver in the diagnosis of saphenofemoral junction incompetence. (PubMed)

Balloon assisted valsalva maneuver in the diagnosis of saphenofemoral junction incompetence. Conventional Valsalva maneuver (CV) is a standardprocedure to exhibit reverse venous flow atsaphenofemoral junction (SFJ) by duplex ultrasonography (DUS). However some patients could not undergo CV during examination.Compare blowing party balloon assisted Valsalva (PBAV) with CV for exhibiting the reverse venous flow at SFJ incompetence.Forty patients who had symptoms and signs of suspected (...) saphenofemoral junction incompetence were examined for venous reflux by DUS with two techniques of Valsalva maneuver PBAV and CV The design was a 2x2 cross-over study. The patients were randomized to two sequences. The first sequence performed CV before PBAV The second sequence performed PBAV before CV The timing for the instruction, reflux time, and total timing of examination were compared between the two sequences.There was neither period effect nor treatment-period interaction. Both PBAV and CV could

2015 Journal of the Medical Association of Thailand = Chotmaihet thangphaet

35. A systematic review of valsalva maneuver effects on intraabdominal and intrathoracic pressure during resistance exercises

A systematic review of valsalva maneuver effects on intraabdominal and intrathoracic pressure during resistance exercises Print | PDF PROSPERO This information has been provided by the named contact for this review. CRD has accepted this information in good faith and registered the review in PROSPERO. CRD bears no responsibility or liability for the content of this registration record, any associated files or external websites. Email salutation (e.g. "Dr Smith" or "Joanne") for correspondence

2018 PROSPERO

36. A finger photoplethysmography waveform during the valsalva maneuver detects changes in left heart filling pressure after hemodialysis. (PubMed)

A finger photoplethysmography waveform during the valsalva maneuver detects changes in left heart filling pressure after hemodialysis. A noninvasive system for determining left ventricular (LV) filling pressure may help to improve personalized fluid removal goals in hemodialysis patients. We previously showed that the change in photoplethysmography (PPG) pulse amplitude measured by finger PPG during a Valsalva maneuver correlates with invasively measured left ventricular end-diastolic pressure (...) (LVEDP). This key PPG change, the ratio of finger PPG pulse amplitude at end-Valsalva to baseline, is known as the Pulse Amplitude Ratio, PAR. The objective of this study was to determine how PAR changes after fluid removal in hemodialysis.We tested subjects with end-stage renal disease, before and after hemodialysis. Each subject performed a Valsalva maneuver with an effort of 20 mmHg for 10 s, guided by the device display. Finger PPG was recorded continuously before and during the maneuver. PAR

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2015 BMC Nephrology

37. Pulse Pressure Variation Measured During Valsalva Maneuver to Predict Fluid Responsiveness Under Open-chest Condition

Pulse Pressure Variation Measured During Valsalva Maneuver to Predict Fluid Responsiveness Under Open-chest Condition Pulse Pressure Variation Measured During Valsalva Maneuver to Predict Fluid Responsiveness Under Open-chest Condition - Full Text View - ClinicalTrials.gov Hide glossary Glossary Study record managers: refer to the if submitting registration or results information. Search for terms x × Study Record Detail Saved Studies Save this study Warning You have reached the maximum number (...) of saved studies (100). Please remove one or more studies before adding more. Pulse Pressure Variation Measured During Valsalva Maneuver to Predict Fluid Responsiveness Under Open-chest Condition The safety and scientific validity of this study is the responsibility of the study sponsor and investigators. Listing a study does not mean it has been evaluated by the U.S. Federal Government. Read our for details. ClinicalTrials.gov Identifier: NCT02457572 Recruitment Status : Completed First Posted : May

2015 Clinical Trials

38. STI Combined to Valsalva Maneuver for the Diagnosis of Left Ventricular Dysfunction in COPD Exacerbations

STI Combined to Valsalva Maneuver for the Diagnosis of Left Ventricular Dysfunction in COPD Exacerbations STI Combined to Valsalva Maneuver for the Diagnosis of Left Ventricular Dysfunction in COPD Exacerbations - Full Text View - ClinicalTrials.gov Hide glossary Glossary Study record managers: refer to the if submitting registration or results information. Search for terms x × Study Record Detail Saved Studies Save this study Warning You have reached the maximum number of saved studies (100 (...) ). Please remove one or more studies before adding more. STI Combined to Valsalva Maneuver for the Diagnosis of Left Ventricular Dysfunction in COPD Exacerbations (STICOPD) The safety and scientific validity of this study is the responsibility of the study sponsor and investigators. Listing a study does not mean it has been evaluated by the U.S. Federal Government. Read our for details. ClinicalTrials.gov Identifier: NCT02481908 Recruitment Status : Unknown Verified June 2015 by Nouira, University

2015 Clinical Trials

39. A Comparison of Transthroracic Echocardiograpy and Transcranial Doppler With Contrast Agent for Detection of Patent Foramen Ovale With or Without the Valsalva Maneuver. (PubMed)

A Comparison of Transthroracic Echocardiograpy and Transcranial Doppler With Contrast Agent for Detection of Patent Foramen Ovale With or Without the Valsalva Maneuver. Patent foramen ovale (PFO) is a remnant of the fetal circulation exist in 20% of the general population. The purpose of our study was to compare of transthoracic echocardiography (TTE) and contrast-transcranial Doppler sonography (c-TCD) in the diagnosis and quantification of PFO with or without the Valsalva maneuver (VM).We

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2015 Medicine

40. Hemodynamic responses during and after multiple sets of stretching exercises performed with and without the Valsalva maneuver (PubMed)

Hemodynamic responses during and after multiple sets of stretching exercises performed with and without the Valsalva maneuver This study investigated the acute hemodynamic responses to multiple sets of passive stretching exercises performed with and without the Valsalva maneuver.Fifteen healthy men aged 21 to 29 years with poor flexibility performed stretching protocols comprising 10 sets of maximal passive unilateral hip flexion, sustained for 30 seconds with equal intervals between sets (...) . Protocols without and with the Valsalva maneuver were applied in a random counterbalanced order, separated by 48-hour intervals. Hemodynamic responses were measured by photoplethysmography pre-exercise, during the stretching sets, and post-exercise.The effects of stretching sets on systolic and diastolic blood pressure were cumulative until the fourth set in protocols performed with and without the Valsalva maneuver. The heart rate and rate pressure product increased in both protocols, but no additive

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2015 Clinics

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