Search Results
Results 351 - 400 of 1660
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Frisbie J H - - 2007
Case-control. Tetraplegic patients are subject to episodes of autonomic dysreflexia and postural hypotension. It is suggested that these patients sustain, in addition, unstable baseline blood pressure (BP) that is independent of symptoms and body position. BP monitoring was conducted in 10 tetraplegic patients, motor and sensory complete (American Spinal Injury ...
Troncy Eric - - 2006
Cardiopulmonary bypass (CPB) activates a systemic inflammatory response characterized clinically by alterations in cardiovascular and pulmonary function. The aim of this study was to measure the cardiopulmonary consequences in sham-operated pigs, and in animals subjected to CPB in the presence or absence of lipopolysaccharide (LPS). We also investigated, if the ...
Tibbits Dick - - 2006
The objective of this study was to determine if patients with diagnosed stage-1 hypertension could benefit by a forgiveness training program to achieve measurable reductions in anger expression and blood pressure. Twenty-five participants were randomly divided into wait-listed control and intervention groups. The control group monitored blood pressure while the ...
Zhao Feng - - 2006
BACKGROUND: Low-dosage adrenaline contained in local anesthetics is commonly used for hemostasis during functional endoscopic sinus surgery (FESS), but often causes significant hemodynamic side effects that might be neglected. A randomized, controlled, prospective clinical trial was designed to find out these effects after local infiltration of different concentrations and/or different ...
Kawabe Hiroshi - - 2006
The Japanese Society of Hypertension has recommended that evening home blood pressure measurement be taken just before bedtime. In this study, to elucidate the influence of nighttime bathing on evening home blood pressure and heart rate, measurements were performed for 7 days using volunteers who were employees of a single ...
Venkatesh Pradeep - - 2006
PURPOSE: To test an observational hypothesis that patients with central serous chorioretinopathy (CSCR) may have a tendency towards hypertension compared with normal individuals. METHODS: In this case-control study we evaluated resting blood pressure in 32 patients with CSCR and compared it with that in 32 healthy controls in a standard ...
Haugen Oddbjorn - - 2006
OBJECTIVE: To investigate if a mean arterial pressure below 50 mmHg during CPB may lead to cerebral ischemia. MATERIAL AND METHODS: Piglets with low mean arterial pressure by nitroprusside (LP-group) (n=6) were compared with piglets given norepinephrine to obtain high pressure (HP-group) (n=6) during normothermic and hypothermic CPB. Intracranial pressure, ...
Schultz Jess M - - 2006
BACKGROUND: Hypothermic circulatory arrest (HCA) is used during surgical treatment of certain congenital heart defects. The possibility of ischemic neurologic injury associated with HCA has led some surgeons to use low-flow cardiopulmonary bypass (CPB) during the hypothermic interval (hypothermic low flow [HLF]). This study investigates the inflammatory response to HCA ...
Sood Jayashree - - 2006
Laparoscopic adrenalectomy is gaining popularity because of its well-documented benefits. The aim of our study was to see if a decreased intraoperative intraabdominal pressure during laparoscopic adrenalectomy would affect the hemodynamic variables and the serum levels of catecholamines. We randomly divided 9 patients into 2 groups, maintaining either an intraabdominal ...
Sato Koichi - - 2006
BACKGROUND: In experimental reports, blood flow redistribution occurred during cardiopulmonary bypass (CPB) and perfusion pressure was restored by vasoconstrictor administration without improving splanchnic perfusion. The influence of vasoconstrictor administration during CPB was clinically examined. Materials and METHODS: Twenty-two consecutive pediatric CPB cases of ventricular septal defect without blood transfusion were ...
Ibraheim Osama A - - 2006
BACKGROUND: The observation of hemodynamic and metabolic impairment related to CO2 pneumoperitoneum and postoperative mesenteric ischemia reports following laparoscopic procedures have raised concern about local and systemic effects of increase intraabdominal pressure during laparoscopic procedures. The present study aims to evaluate the metabolic and acid base responses of using high ...
Flaa Arnljot - - 2006
We hypothesized that resting blood pressure is related to sympathetic activity in young men who are unaware of their blood pressure status in high, normal, and low ranges and that there is a relationship between sympathetic activity and coronary risk factors. Forty-three healthy, young men from the 1st [group 1, ...
Toklu Akin Savas - - 2006
INTRODUCTION: When a body is recovered from the water after a fatal SCUBA diving accident, it is useful to know if the diver was under pressure or not when he/she took his/her last breath, in order to determine the cause and manner of the death. If the victim was under ...
Neragi-Miandoab Siyamek - - 2006
Stroma free hemoglobin based oxygen-carrying solutions (HBOCs) have been shown to have the capability to transport oxygen, suggesting their use as a temporary blood substitute to maintain oxygenation of tissue. HBOCs might be the proper priming solution; however, elevated troponin associated with their application might be a major concern, particularly ...
Baraka Anis - - 2006
OBJECTIVE: This study was undertaken to compare cerebral oxygen saturation (RsO(2)) and mixed venous oxygen saturation (SvO(2)) in patients undergoing moderate and tepid hypothermic hemodiluted cardiopulmonary bypass (CPB). DESIGN: Prospective study. SETTINGS: University hospital operating room. PARTICIPANTS: Fourteen patients undergoing elective coronary artery bypass graft surgery using hypothermic hemodiluted CPB. ...
Cetinkaya Ziya - - 2006
BACKGROUND: Ischemia is the most important factor compromises wound healing in colonic anastomosis. Mesenteric vessels are ligated at first while performing colonic resection and following anastomosis. Therefore blood supply of the related segments of colon temporarily interrupted and ischemia can easily occur. This study was carried out to explore whether ...
Sato Koichi - - 2006
During cardiopulmonary bypass (CPB), tissue perfusion injury occurs even if perfusion pressure is maintained. Although a vasodilator and a vasoconstrictor are clinically administered if bypass flow is maintained, they may restore perfusion pressure without improving tissue perfusion. We evaluated the influence of vasodilators and vasoconstrictors on the whole body during ...
Kaakinen Timo - - 2006
BACKGROUND: Hypertonic saline dextran (HSD) has been shown to have neuroprotective properties. In the present study we have assessed its potential neuroprotective efficacy in the setting of hypothermic circulatory arrest in a surviving porcine model. METHODS: Twenty-four pigs were randomized to receive two 5-minute intravenous infusions (4 mL/kg) of either ...
Sombolos Kostas I - - 2006
We report a new and simple way that can reveal the presence of vascular access recirculation (VAR) in patients undergoing hemodialysis (HD). Acid-base and blood gas parameters (pH, pO(2), pCO(2), and HCO(3)) were measured in blood samples drawn from an arterial fistula needle before the initiation of HD and from ...
Miyaguchi Naoyuki - - 2006
PURPOSE: Perfluorocarbons have an excellent oxygen- and carbon dioxide-carrying capacity. This prompted us to investigate the feasibility of transintestinal systemic oxygenation using perfluorocarbon. METHODS: A rat hypoventilation model (room air, 20 breaths/min and a tidal volume of 10 ml/kg) was thus established, and FC-77 (Sumitomo-3M, Osaka, Japan) was used as ...
Abdalla Mahmoud I M - - 2006
The objective of our study was to assess the efficacy and safety of dexmedetomidine given in a small dose for a 1-h infusion as an adjuvant to local analgesia in ophthalmic operations. The study was double-blind prospective, randomized, and placebo controlled. We studied the effects of a small dose of ...
Dimmick Karen R - - 2006
OBJECTIVE: The purpose of this study is to determine whether chiropractic manipulation is associated with any measurable changes in the difference between the arterial blood pressures on the left and right before and after treatment in normotensive subjects. METHODS: A nonrandomized, matched pair, controlled clinical trial, with the treatment (manipulation) ...
Zhang Li-ping - - 2005
BACKGROUND: The hyperdynamic circulatory state in end-stage liver disease is similar to the hemodynamic state in endotoxic shock. Recent research indicated that proper use of norepinephrine (NE) in patients with endotoxic shock could improve the perfusion of visceral organs and raise the survival rate. In this study, dopamine (DA) or ...
Toraman Fevzi - - 2005
Hypertension following coronary artery bypass grafting is a common problem that may result in postoperative myocardial infraction or bleeding, Hemodynamic effects were compared in 45 hypertensive coronary bypass patients randomized to receive either diltiazem, nitroglycerin, or sodium nitroprusside. Diltiazem was administered as an intravenous bolus of 0.3 mg.kg-1 within 5 ...
Yagi J - - 2005
BACKGROUND AND STUDY AIM: Transnasal esophagogastroduodenoscopy (EGD) with a small-caliber endoscope is well tolerated by patients. However, the effect of this procedure on cardiopulmonary function has not been fully investigated. The aim of this prospective, randomized study was to investigate the effect of transnasal EGD in comparison with transoral EGD ...
Lyons Jefferson M - - 2005
BACKGROUND: Traumatic brain injury and subsequent brain death (BD) account for nearly half of all organ donors, yet only 33% of available hearts are transplanted. Alterations in multiple physiologic pathways after BD can lead to cardiac dysfunction and exclusion from transplantation. Triple hormone resuscitation with methylprednisolone, thyroid hormone and vasopressin ...
Yang J J - - 2005
BACKGROUND: Local anesthetic containing epinephrine is commonly used in many operations for the main purpose of hemostasis. A randomized, controlled, prospective clinical trial was designed to find out hemodynamic changes after local infiltration of different concentrations and/or different dosages of epinephrine during functional endoscopic sinus surgery (FESS) under general anesthesia. ...
Sorimachi Takatoshi - - 2005
OBJECTIVE: Hematoma growth is a major cause of poor outcome in patients with intracerebral hemorrhage. We evaluated the efficacy of a combination of rapid antifibrinolytic therapy and strict blood pressure control for prevention of hematoma growth in this retrospective study. METHODS: Systolic blood pressure was strictly controlled below 150 mm ...
Alexiou S - - 2005
The authors examined cardiovascular responses to long-distance fin swimming as compared to freestyle swimming. Elite male fin swimmers (n = 17) swam 8 km in the open sea (group A) and 17 top freestyle endurance swimmers (group B) swam 6 km in the open sea. The swimming times of the ...
Mahmoud Alaa-Basiouni S - - 2005
BACKGROUND: Pulmonary dysfunction is one of the most common manifestations of inflammatory response after cardiopulmonary bypass (CPB). OBJECTIVE: This prospective randomized study was conducted to evaluate the effect of a modified ultrafiltration (MUF) technique on pulmonary function after CPB in children. METHODS: Forty patients weighing from 5 to 10 kg ...
Touzot-Jourde Gwenola - - 2005
OBJECTIVE: To evaluate the cardiorespiratory effects of controlled versus spontaneous ventilation in pigeons anesthetized for coelioscopy. DESIGN: Prospective study. ANIMALS: 30 healthy adult pigeons (Columbia livia). PROCEDURE: During isoflurane anesthesia, 15 pigeons were allowed to breathe spontaneously (SP group) and 15 were mechanically ventilated (MV group) by use of a ...
Kim Won Gon - - 2005
In an attempt to find an adequate end-point rewarming temperature after hypothermic cardiopulmonary bypass (CPB), 50 pediatric patients who underwent cardiac surgery were randomly assigned for the end-point rectal rewarming temperature at either 35.5 (Group 1) or 37.0 degrees C (Group 2). The patients' rectal temperature, with heart rate and ...
Mori Atsuo - - 2005
BACKGROUND: Using swine, we investigated whether epidural placement of a cooling catheter rather than infusing iced saline solution could protect the spinal cord from ischemia during aortic surgery. METHODS: We divided 14 domestic pigs into two groups of 7 each. Each underwent epidural catheter placement preceding 30 minutes of aortic ...
Ngan Kee Warwick D - - 2005
BACKGROUND: Many methods for preventing hypotension during spinal anesthesia for cesarean delivery have been investigated, but no single technique has proven to be effective and reliable. This randomized study studied the efficacy of combining simultaneous rapid crystalloid infusion (cohydration) with a high-dose phenylephrine infusion. METHODS: Nonlaboring patients scheduled to undergo ...
Shang Hong-wei - - 2005
OBJECTIVE: To establish an animal model of non-transthoracic cardiopulmonary bypass (CPB) in rats. METHODS: Ten adult male Sprague-Dawley rats, weighing 350-500 g, were used in this study. CPB was established in these animals through cannulating the left carotid and right jugular vein for arterial perfusion and venous return. The components ...
Leprince Pascal - - 2005
BACKGROUND: A body surface area (BSA) of 1.7 m2 was considered as the lower limit to implant a CardioWest Total Artificial Heart (TAH). We reviewed our experience with the TAH in patients with a BSA of less than 1.7 m2. METHODS: From April 1986 to May 2003, among 149 patients ...
Haugen O - - 2005
BACKGROUND: Cardiopulmonary bypass (CPB) is associated with increased fluid filtration occasionally leading to post-operative organ dysfunction. One of the factors determining fluid filtration is the capillary hydrostatic pressure which depends on arterial pressure, venous pressure and pre- to post-capillary resistance ratio. The purpose of this study was to assess whether ...
Agarwal A - - 2005
Pre-operative anxiety is associated with many unwanted effects such as increased analgesic and anaesthetic requirement, postoperative pain and prolonged hospital stay. In the present study, we investigated the effects of acupressure on pre-operative anxiety and bispectral index (BIS) values. Seventy-six adults, ASA grade I and II, undergoing elective surgery, were ...
Allen Stephen - - 2005
Biocompatible cardiopulmonary bypass (CPB) circuits aim to reduce contact activation and its physiological consequences. We investigated the hypothesis that use of Surface Modifying Additive (SMA)-treated circuits (Sorin Group Ltd) compared with non-SMA circuits would be associated with preservation of blood pressure during CPB and modulation of perioperative subclinical renal function ...
Maybauer Marc O - - 2005
Previously, our group developed an ovine model of hyperdynamic sepsis associated with acute lung injury. In this study, we sought to modify this sepsis model by the administration of gentamicin to more closely simulate the symptoms observed in human sepsis in the intensive care unit. In a prospective, controlled, randomized ...
Saghaei Mahmood - - 2005
BACKGROUND: Transcutaneous electrical stimulation (ES) has been shown to produce long-lasting fall of arterial blood pressure in animal or human models. Previous reports have shown that ES of acupuncture points (acupoints) enhances the hypotensive effect of isoflurane anesthesia. This study was designed to investigate the combined effect of acupoint ES ...
Verhagen Evert - - 2005
BACKGROUND: Balance training is widely used in the rehabilitation after an ankle sprain and is thought to have a decreasing effect on postural sway. The present study investigated whether a 5.5-week balance training programme leads to a decreased postural sway showing in a reduced range of centre of pressure excursion. ...
Karimi Mehran - - 2006
Beta-thalassemia trait (BTT) is a common genetic disorder in Mediterranean countries including Iran. Previous studies have shown the protective effect of BTT on myocardial infarction that may be due to lower cholesterol levels or lower arterial blood pressure in BTT subjects. This study was designed to analyze the effect of ...
Deja Maria - - 2005
OBJECTIVES: To optimize volume therapy during induced whole-body hyperthermia (WBH) < or = 42.2 degrees C, pulmonary capillary wedge pressure (PCWP) and intrathoracic blood volume index (ITBVI) were compared as goal parameters. DESIGN: Prospective clinical study. SETTING: ICU at university hospital. PATIENTS: Twenty-three patients with metastatic cancers. INTERVENTIONS: Radiant WBH ...
Cauduro Rafael L - - 2005
Experimental models suggest that endothelin-1 (ET-1) has a significant role in the pathogenesis of cyclosporin A (CyA)-induced hypertension. However, its serum levels evaluated in different studies, including patients who received solid organ transplants, exhibited controversial results. Our study population consisted of 43 renal transplant patients: 33 were taking CyA as ...
Wu Xianren - - 2005
INTRODUCTION: Clinical studies have demonstrated improved survival after cardiac arrest with induction of mild hypothermia (34 degrees C). Infusion of ice-cold saline seems beneficial. The American Heart Association recommends therapeutic hypothermia for comatose survivors of cardiac arrest. For hemorrhagic shock (HS), laboratory studies suggest that mild hypothermia prolongs the golden ...
de França Camargo André Ferrari - - 2005
The purpose of this study was to develop a more efficient and stable model of ventricular fibrillation (VF) in the isolated rabbit heart, because there is not a satisfactory model with this animal. We also observed the effects of increasing extracellular calcium in the stability and reversibility of the arrhythmia. ...
Kosugi Shizuko - - 2005
In the present study, we evaluated the effect of epidural analgesia on the alterations of gut barrier function elicited by endotoxin in rabbits. After the placement of an epidural catheter, 28 male rabbits were randomized into either 0.5% lidocaine (group E) or saline (group C) group. The solutions (0.4 mL/kg) ...
Ferrera René - - 2005
BACKGROUND: The origin of cardiac impairment during brain death (BD) is controversial. Using a pig experimental model we sought to assess hormonal changes during the first stage of brain death and how these changes contribute to hemodynamic alteration and myocardial dysfunction. METHODS: Twenty-two pigs were randomized into 2 groups: a ...
Sekiya Michihito - - 2005
This study compared the effects of long-term administration of nicorandil and isosorbide dinitrate (ISDN) on vascular endothelial function and the progression of arteriosclerosis. Forty-two patients with ischemic heart disease were randomly allocated to receive nicorandil (N group; 15 mg/d) or ISDN (I group, 40 mg/d). Twelve normal subjects served as ...
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