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anesthesia and hypertension

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https://www.readbyqxmd.com/read/28317615/routine-screening-examinations-in-attendance-of-cats-with-obstructive-lower-urinary-tract-disease
#1
Amanda Marin Neri, Luiz Henrique de Araújo Machado, Priscylla Tatiana Chalfun Guimarães Okamoto, Maurício Gianfrancesco Filippi, Regina Kiomi Takahira, Alessandra Melchert, Maria Lúcia Gomes Lourenço
This study evaluates the clinical findings obtained in routine screening examinations in cats with obstructive feline lower urinary tract disease at the time of service. Twenty-six cats with urethral obstruction were assessed by physical examination, blood pressure, electrocardiogram, and laboratory tests. Cats with signs of obstruction less than 36 hours before the service were in a state of alert, with body temperature and heart rate higher compared with cats in lethargy and stupor, obstructed up to 36 hours...
December 2016: Topics in Companion Animal Medicine
https://www.readbyqxmd.com/read/28298771/attenuation-of-hemodynamic-response-to-skull-pin-head-holder-insertion-intravenous-clonidine-versus-intravenous-lignocaine-infusion
#2
Nethra H Nanjundaswamy, Vinay Marulasiddappa
BACKGROUND: Insertion of skull pin induces a significant increase in heart rate (HR), blood pressure (BP) and intracranial pressure. Alpha 2 agonist clonidine and intravenous (i.v.) lignocaine are effective in attenuating stress response. Local infiltration of pin site and scalp block with lignocaine are commonly used techniques for prevention of hemodynamic response to skull pin insertion. We compared the effectiveness of i.v. clonidine infusion and i.v. lignocaine infusion in suppressing the hemodynamic response to skull pin head holder insertion...
January 2017: Anesthesia, Essays and Researches
https://www.readbyqxmd.com/read/28298760/the-effectiveness-of-intravenous-dexmedetomidine-on-perioperative-hemodynamics-analgesic-requirement-and-side-effects-profile-in-patients-undergoing-laparoscopic-surgery-under-general-anesthesia
#3
Vinayak Panchgar, Akshaya N Shetti, H B Sunitha, Vithal K Dhulkhed, A V Nadkarni
BACKGROUND: There is an upward surge in the use of laparoscopic surgeries due to various advantages when compared to open surgeries. Major advantages are, due to small incisions which are cosmetically acceptable and most of them are now daycare procedures. Problem of economic burden and hospital bed occupancy has been overcome with laparoscopic surgeries. All these advantages are not free from disadvantages, as hemodynamic changes such as hypertension; tachycardia and other surgical-related complications are commonly observed intraoperatively...
January 2017: Anesthesia, Essays and Researches
https://www.readbyqxmd.com/read/28298755/attenuation-of-cardiovascular-response-to-direct-laryngoscopy-and-intubation-comparative-study-of-lignocaine-nifedipine-and-placebo-during-general-anesthesia
#4
Venkata Sesha Sai Krishna Manne, Venkata Raghavendra Paluvadi
BACKGROUND/OBJECTIVE: The purpose of the study was to compare the attenuation of cardiovascular response to direct laryngoscopy and intubation using lignocaine, nifedipine, and placebo during general anesthesia. MATERIALS AND METHODS: This prospective study was done in sixty patients undergoing noncardiac surgeries of American Society of Anesthesiologists health status Class I and II between the age groups of 18-60 years. They were randomly divided into three groups of 20 each (lignocaine group, nifedipine group, and placebo group) and cardiovascular response (heart rate [HR] and blood pressure [BP]) to direct laryngoscopy and intubation were compared...
January 2017: Anesthesia, Essays and Researches
https://www.readbyqxmd.com/read/28296782/the-safety-and-efficacy-of-dexmedetomidine-remifentanil-in-children-undergoing-flexible-bronchoscopy-a-retrospective-dose-finding-trial
#5
Xia Li, Xue Wang, Shuguang Jin, Dongsheng Zhang, Yanuo Li
Flexible bronchoscopy is more and more used for diagnosis and management of various pulmonary diseases in pediatrics. As poor coordination of children, the procedure is usually performed under general anesthesia with spontaneous or controlled ventilation to increase children and bronchoscopists' safety and comfort. Previous studies have reported that dexmedetomidine (DEX) could be safely and effectively used for flexible bronchoscopy in both adulate and children. However, there is no trial to evaluate the dose-finding of safety and efficacy of dexmedetomidine-remifentanil (DEX-RF) in children undergoing flexible bronchoscopy...
March 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28296732/optimal-dose-of-intravenous-oxycodone-for-attenuating-hemodynamic-changes-after-endotracheal-intubation-in-healthy-patients-a-randomized-controlled-trial
#6
Yong-Hee Park, Seung-Hyuk Lee, Oh Haeng Lee, Hyun Kang, Hwa-Yong Shin, Chong-Wha Baek, Yong Hun Jung, Young Cheol Woo
BACKGROUND: Intravenous oxycodone has been used as an adjunct to anesthetic agents. This study aimed to assess the optimal dose of intravenous oxycodone for the attenuation of the hemodynamic responses to laryngoscopy and endotracheal intubation. METHODS: A prospective, randomized, double-blind study was conducted. Ninety-five patients were randomly divided into 5 groups based on the oxycodone dose: 0, 0.05, 0.1, 0.15, 0.2 mg/kg. After administering the assigned dose of intravenous oxycodone, anesthesia was induced with thiopental...
March 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28290956/multidisciplinary-in-situ-simulation-based-training-as-a-postpartum-hemorrhage-quality-improvement-project
#7
Monica A Lutgendorf, Carmen Spalding, Elizabeth Drake, Dennis Spence, Jason O Heaton, Kristina V Morocco
BACKGROUND: Postpartum hemorrhage is a common obstetric emergency affecting 3 to 5% of deliveries, with significant maternal morbidity and mortality. Effective management of postpartum hemorrhage requires strong teamwork and collaboration. We completed a multidisciplinary in situ postpartum hemorrhage simulation training exercise with structured team debriefing to evaluate hospital protocols, team performance, operational readiness, and real-time identification of system improvements...
March 2017: Military Medicine
https://www.readbyqxmd.com/read/28283852/short-term-general-anesthesia-for-retro-bulbar-block-in-ophthalmic-surgery-generates-no-significant-hypercapnia
#8
Werner Baulig, Monica Weber, Beatrice Beck-Schimmer, Oliver M Theusinger, Peter Biro
To assess the impact of short time hypnosis for retro-bulbar anesthesia on ventilation in patients undergoing ophthalmic surgery of the anterior eye chamber. In all patients, a combined continuous transcutaneous carbon dioxide tension (PtcCO2) and partial oxygen saturation (SpO2) measurement was applied in addition to routine monitoring. To enable unconscious application of retro-bulbar anesthesia, intravenous thiopental was given in one to multiple bolus doses. Transient breathing support included chin lift, Esmarch maneuver and manual hand-bag ventilation via face mask...
March 11, 2017: Journal of Clinical Monitoring and Computing
https://www.readbyqxmd.com/read/28270592/evidence-that-remodeling-of-insular-cortex-neurovascular-unit-contributes-to-hypertension-related-sympathoexcitation
#9
Fernanda R Marins, Jennifer A Iddings, Marco A P Fontes, Jessica A Filosa
The intermediate region of the posterior insular cortex (intermediate IC) mediates sympathoexcitatory responses to the heart and kidneys. Previous studies support hypertension-evoked changes to the structure and function of neurons, blood vessels, astrocytes and microglia, disrupting the organization of the neurovascular unit (NVU). In this study, we evaluated the functional and anatomical integrity of the NVU at the intermediate IC in the spontaneously hypertensive rat (SHR) and its control the Wistar-Kyoto (WKY)...
March 2017: Physiological Reports
https://www.readbyqxmd.com/read/28267443/balloon-removal-after-fetoscopic-endoluminal-tracheal-occlusion-for-congenital-diaphragmatic-hernia
#10
Julio A Jiménez, Elisenda Eixarch, Philip Dekoninck, João R Bennini, Roland Devlieger, Cleisson F Peralta, Eduard Gratacos, Jan Deprest
BACKGROUND: Isolated congenital diaphragmatic hernia (CDH) defect allows viscera to herniate into the chest, competing for space with the developing lungs. At birth, pulmonary hypoplasia leads to respiratory insufficiency and persistent pulmonary hypertension that is lethal in up to 30% of patients. Antenatal measurement of lung size and liver herniation can predict survival after birth. Prenatal intervention aims at stimulating lung development, clinically achieved by percutaneous fetal endoscopic tracheal occlusion (FETO) under local anesthesia...
March 3, 2017: American Journal of Obstetrics and Gynecology
https://www.readbyqxmd.com/read/28265685/laparoscopic-partial-nephrectomy-in-a-patient-on-simvastatin-delayed-recovery-from-neuromuscular-blockade
#11
E E Abd El-Hakeem, A M Kaki, S A Almazlom, A J Alsayyad
Delayed recovery from anesthesia remains a very challenging subject for anesthesiologists. This case report describes the clinical course of delayed recovery from neuromuscular blockade after laparoscopic partial nephrectomy in a patient on simvastatin. The patient was hypertensive on regular treatment with oral captopril 25 mg twice daily and amlodipine 5 mg once daily and hypercholesterolemic on regular simvastatin 40 mg once daily with a normal electrocardiogram (ECG). All preoperative laboratory findings were within normal ranges...
March 6, 2017: Der Anaesthesist
https://www.readbyqxmd.com/read/28258299/vasopressors-induce-passive-pulmonary-hypertension-by-blood-redistribution-from-systemic-to-pulmonary-circulation
#12
Chunling Jiang, Hong Qian, Shuhua Luo, Jing Lin, Jerry Yu, Yajiao Li, Qi An, Nanfu Luo, Lei Du
Vasopressors are widely used in resuscitation, ventricular failure, and sepsis, and often induce pulmonary hypertension with undefined mechanisms. We hypothesize that vasopressor-induced pulmonary hypertension is caused by increased pulmonary blood volume and tested this hypothesis in dogs under general anesthesia. In normal hearts (model 1), phenylephrine (2.5 μg/kg/min) transiently increased right but decreased left cardiac output, associated with increased pulmonary blood volume (63% ± 11.8, P = 0...
May 2017: Basic Research in Cardiology
https://www.readbyqxmd.com/read/28254101/electroacupuncture-assisted-craniotomy-on-an-awake-patient
#13
Amritpal Sidhu, Trushna Murgahayah, Vairavan Narayanan, Hari Chandran, Vicknes Waran
Although acupuncture has existed for over 2000 years, its application as an anesthetic aid began in the 1950s in China. The first surgical procedure performed under acupuncture anesthesia was a tonsillectomy. Soon thereafter, major and minor surgical procedures took place with electroacupuncture alone providing the anesthesia. The procedures performed were diverse, ranging from cardiothoracic surgery to dental extractions. Usage of acupuncture anesthesia, specifically in neurosurgery, has been well documented in hospitals across China, especially in Beijing, dating back to the 1970s...
January 2017: Journal of Acupuncture and Meridian Studies
https://www.readbyqxmd.com/read/28248702/norepinephrine-intermittent-intravenous-boluses-to-prevent-hypotension-during-spinal-anesthesia-for-cesarean-delivery-a-sequential-allocation-dose-finding-study
#14
Desire N Onwochei, Warwick D Ngan Kee, Lillia Fung, Kristi Downey, Xiang Y Ye, Jose C A Carvalho
BACKGROUND: The use of phenylephrine as the first-line agent for prevention and treatment of maternal hypotension during cesarean delivery (CD) may reduce cardiac output, posing a theoretical risk to mother and fetus. Norepinephrine has been suggested as a potential alternative, because its β-adrenergic effects might result in greater heart rate and cardiac output than phenylephrine. The use of norepinephrine to prevent and treat hypotension during CD is new, and its use as a bolus has not been fully determined in this context...
February 28, 2017: Anesthesia and Analgesia
https://www.readbyqxmd.com/read/28246620/inferior-vena-cava-repair-using-serosal-patch-of-small-bowel-an-experimental-study
#15
Hossein Hodjati, Ahmad Hoseinzadeh, Seyed Masoud Mousavi, Seifollah Dehghani Nazhavi, Viginda Kumar, Maryam Sehhatpour
OBJECTIVE: To evaluate the feasibility and results of using serosal patch of small bowel for repair and replacement of inferior vena cava (IVC) after resection of a part of infra-renal IVC in an animal model, as it may be encountered in extensive tumors of retroperitoneal and trauma patients. METHODS: Five healthy sheep of both sexes were prepared. After general anesthesia and laparotomy, a defect with 1 cm width and 4cm length was made on anterior aspect of infra-renal IVC, and then an adjacent loop of small bowel was brought and sutured continuously to cover the defect of IVC as a patch graft...
January 2017: Bulletin of Emergency and Trauma
https://www.readbyqxmd.com/read/28244952/prophylactic-phenylephrine-infusions-to-reduce-severe-spinal-anesthesia-hypotension-during-cesarean-delivery-in-a-resource-constrained-environment
#16
David G Bishop, Carel Cairns, Mariette Grobbelaar, Reitze N Rodseth
Phenylephrine infusions are considered as standard management for obstetric spinal hypotension, but there remains reluctance to implement them in resource-limited contexts. This prospective, alternating intervention study of patients undergoing elective or urgent cesarean delivery under spinal anesthesia compared a vasopressor bolus strategy to fixed-rate, low-dose prophylactic phenylephrine infusion with supplemental boluses. The primary outcome was the incidence of severe hypotension (mean arterial pressure <70% baseline or systolic blood pressure <80 mm Hg)...
February 24, 2017: Anesthesia and Analgesia
https://www.readbyqxmd.com/read/28243924/the-respiratory-pressure-abdominal-volume-curve-in-a-porcine-model
#17
Adrian Regli, Bart Leon De Keulenaer, Bhajan Singh, Lisen Emma Hockings, Bill Noffsinger, Peter Vernon van Heerden
BACKGROUND: Increasing intra-abdominal volume (IAV) can lead to intra-abdominal hypertension (IAH) or abdominal compartment syndrome. Both are associated with raised morbidity and mortality. IAH can increase airway pressures and impair ventilation. The relationship between increasing IAV and airway pressures is not known. We therefore assessed the effect of increasing IAV on airway and intra-abdominal pressures (IAP). METHODS: Seven pigs (41.4 +/-8.5 kg) received standardized anesthesia and mechanical ventilation...
December 2017: Intensive Care Medicine Experimental
https://www.readbyqxmd.com/read/28235526/cardiac-output-changes-with-phenylephrine-and-ephedrine-infusions-during-spinal-anesthesia-for-cesarean-section-a-randomized-double-blind-trial
#18
W Mon, A Stewart, R Fernando, K Ashpole, N El-Wahab, S MacDonald, P Tamilselvan, M Columb, Y M Liu
Hypotension is a common side effect of spinal anesthesia. Phenylephrine and ephedrine are the two most frequently used vasopressors to treat spinal hypotension during cesarean delivery. In this randomized double-blind study, we aimed to evaluate cardiac output (CO) changes with phenylephrine or ephedrine infusions titrated to maintain baseline systolic blood pressure (bSBP) during spinal anesthesia. Women (n = 40) scheduled for elective cesarean delivery received either phenylephrine 100 μg/min or ephedrine 5 mg/min infusions...
February 2017: Journal of Clinical Anesthesia
https://www.readbyqxmd.com/read/28235521/aneurysmal-hemorrhage-in-a-pregnant-patient-with-coarctation-of-aorta-an-anesthetic-challenge
#19
G S Tomar, K Goyal, R Chandran, A Luthra, V Chauhan, N Kumar
A 25years old female patient with pregnancy of 16weeks (G2 P1), diagnosed to have distal anterior cerebral artery aneurysm (DACA) with Hunt & Hess grade I, subarachnoid hemorrhage (SAH) and coexisting atretic type of aortic coarctation posted for aneurysmal clipping under general anesthesia is a challenge to anesthesiologists in perioperative period. Hypertensive surges in a pregnant patient may result in rupture of aneurysms. Mortality in the mothers with CoA has been reported to be in the range of 0 to 9%...
February 2017: Journal of Clinical Anesthesia
https://www.readbyqxmd.com/read/28224104/exertional-rhabdomyolysis-and-heat-stroke-beware-of-volatile-anesthetic-sedation
#20
REVIEW
Karel Heytens, Jan De Bleecker, Walter Verbrugghe, Jonathan Baets, Luc Heytens
In view of the enormous popularity of mass sporting events such as half-marathons, the number of patients with exertional rhabdomyolysis or exercise-induced heat stroke admitted to intensive care units (ICUs) has increased over the last decade. Because these patients have been reported to be at risk for malignant hyperthermia during general anesthesia, the intensive care community should bear in mind that the same risk of life-threatening rhabdomyolysis is present when these patients are admitted to an ICU, and volatile anesthetic sedation is chosen as the sedative technique...
February 4, 2017: World Journal of Critical Care Medicine
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