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https://www.readbyqxmd.com/read/27871566/known-difficult-airway-in-a-patient-with-pheochromocytoma-a-case-report
#1
Laura Alonso Guardo, Carlos Cano Gala, Antonio Rodriguez Calvo, Adriana M Buritica Aguirre, Nadia A Dávila Arango, Elena García Fernández, Carmen Ruiz Chirosa, David Sánchez Poveda, Agustín Díaz Álvarez
: The manipulation of an airway is always a critical moment in the anesthetic management of patients with pheochromocytoma due to the high incidence of undesirable hemodynamic events in relation with the stimulus represented by the laryngoscopy. A known difficult airway in which it is necessary to carry out an orotracheal intubation while preserving spontaneous ventilation subjects the patient to a stressful situation. The objective is to obtain an acceptable level of comfort and sedation avoiding respiratory depression (Anesthesiol Clin 2015;33:233-40)...
December 2016: Journal of Clinical Anesthesia
https://www.readbyqxmd.com/read/27319099/-anesthetic-management-for-non-cardiac-surgery-in-a-patient-with-severe-pulmonary-arterial-hypertension
#2
Sho Ohno, Yukitoshi Niiyama, Takeshi Murouchi, Michiaki Yamakage
Severe pulmonary arterial hypertension is a significant risk factor for anesthetic management in patients undergoing even non-cardiac surgery. A 64-year-old female patient with severe pulmonary arterial hypertension was scheduled to undergo inguinal hernioplasty. Preoperative systolic pulmonary arterial pressure was 115 mmHg. We selected monitored anesthesia care with 0.2-0.5 μg x kg(-1) x hr(-1) dexmedetomidine and ultrasound-guided iliohypogastric block. Thereafter, LiDCOrapid was used to acquire the hemodynamic responses during surgery...
May 2016: Masui. the Japanese Journal of Anesthesiology
https://www.readbyqxmd.com/read/27224039/ventriculoperitoneal-shunt-insertion-under-monitored-anesthesia-care-in-a-patient-with-severe-pulmonary-hypertension
#3
Mark A Burbridge, Jessica Brodt, Richard A Jaffe
A 32-year-old man with severe pulmonary arterial hypertension and Eisenmenger syndrome secondary to congenital ventricular septal defects presented for ventriculoperitoneal shunt insertion. Consultation between surgical and anesthesia teams acknowledged the extreme risk of performing this case, but given ongoing symptoms related to increased intracranial pressure from a large third ventricle colloid cyst, the case was deemed urgent. After a full discussion with the patient, including an explanation of anesthetic expectations and perioperative risks, the case was performed under monitored anesthesia care...
July 15, 2016: A & A Case Reports
https://www.readbyqxmd.com/read/27017766/-anesthetic-management-for-lobectomy-in-a-patient-with-pulmonary-arterial-hypertension
#4
Yukihiro Imajo, Nobuyasu Komasawa, Yusuke Kusaka, Haruki Kido, Toshiaki Minami
Pulmonary arterial hypertension (PAH) is a known risk factor of perioperative complications, but the risks for non-cardiac operations have not yet been examined sufficiently. We report a case of a right lower lobectomy in a patient with PAH. A 73-year-old woman with Sjögren's syndrome was scheduled for right lowr lobectomy for primary lung cancer under general anesthesia. She was diagnosed with symptomatic PAH (estimated mean pulmonary arterial pressure, 40 mmHg) and medicated with ambrisentan. After induction of general anesthesia with propofol and fentanyl, a pulmonary artery catheter was placed to measure pulmonary artery pressure...
February 2016: Masui. the Japanese Journal of Anesthesiology
https://www.readbyqxmd.com/read/25661272/a-retrospective-comparison-of-dexmedetomidine-versus-midazolam-for-pediatric-patients-with-congenital-heart-disease-requiring-postoperative-sedation
#5
Li Jiang, Sheng Ding, Hongtao Yan, Yunming Li, Liping Zhang, Xue Chen, Xiumei Yin, Shunbi Liu, Xiuying Tang, Jinbao Zhang
We hypothesized that postoperative sedation with dexmedetomidine/fentanyl would be effective in infants and neonates with congenital heart disease and pulmonary arterial hypertension (PAH). Children who were <36 months of age, had congenital heart disease with PAH, and had been treated at our hospital between October 2011 and April 2013 (n = 187) were included in this retrospective study. Either dexmedetomidine/fentanyl (Group Dex) or midazolam/fentanyl (Group Mid) was used for postoperative sedation. The main outcome variables included delirium scores, supplemental sedative/analgesic drugs, ventilator use, and sedation time...
June 2015: Pediatric Cardiology
https://www.readbyqxmd.com/read/23960035/the-hemodynamic-response-to-dexmedetomidine-loading-dose-in-children-with-and-without-pulmonary-hypertension
#6
COMPARATIVE STUDY
Robert H Friesen, Christopher S Nichols, Mark D Twite, Kathryn A Cardwell, Zhaoxing Pan, Biagio Pietra, Shelley D Miyamoto, Scott R Auerbach, Jeffrey R Darst, D Dunbar Ivy
BACKGROUND: Dexmedetomidine, an α-2 receptor agonist, is widely used in children with cardiac disease. Significant hemodynamic responses, including systemic and pulmonary vasoconstriction, have been reported after dexmedetomidine administration. Our primary goal of this prospective, observational study was to quantify the effects of dexmedetomidine initial loading doses on mean pulmonary artery pressure (PAP) in children with and without pulmonary hypertension. METHODS: Subjects were children undergoing cardiac catheterization for either routine surveillance after cardiac transplantation (n = 21) or pulmonary hypertension studies (n = 21)...
October 2013: Anesthesia and Analgesia
https://www.readbyqxmd.com/read/20467877/monitored-anesthesia-care-with-dexmedetomidine-of-a-patient-with-severe-pulmonary-arterial-hypertension-for-inguinal-hernioplasty
#7
Hiromi Shinohara, Kiichi Hirota, Masami Sato, Masahiro Kakuyama, Kazuhiro Fukuda
The presence of severe pulmonary arterial hypertension (PAH) is a significant risk factor of major perioperative cardiovascular complications in patients undergoing even non-cardiac surgery under anesthetic management. The most important aspect of perioperative care of PAH patients is to avoid pulmonary hypertensive crisis, which can be induced by alveolar hypoxia, hypoxemia, hypercarbia, metabolic acidosis, airway manipulations, and activation of the sympathetic nervous system by noxious stimuli. We report a case of successful monitored anesthesia care supplemented by dexmedetomidine for inguinal hernioplasty of a patient with severe PAH secondary to congenital heart disease...
August 2010: Journal of Anesthesia
https://www.readbyqxmd.com/read/19157850/cesarean-section-and-primary-pulmonary-hypertension-the-role-of-intravenous-dexmedetomidine
#8
H Toyama, T Wagatsuma, Y Ejima, M Matsubara, S Kurosawa
Primary pulmonary hypertension is a fatal disease that frequently becomes evident in pregnancy. The management of pregnant women with primary pulmonary hypertension poses a number of difficult problems, especially where regional anesthesia is considered to be contraindicated. A 30-year-old woman who developed primary pulmonary hypertension at 23 weeks of pregnancy was transferred to our hospital. Systolic pulmonary artery pressure and plasma brain natriuretic peptide levels were markedly elevated. Nitric oxide inhalation and prostacyclin prevented the progression of cardiac failure and reduced both plasma brain natriuretic peptide and pulmonary artery pressure...
July 2009: International Journal of Obstetric Anesthesia
https://www.readbyqxmd.com/read/18633046/intravenous-dexmedetomidine-decreases-lung-permeability-induced-by-intracranial-hypertension-in-rats
#9
Motoi Kumagai, Takashi Horiguchi, Toshiaki Nishikawa, Yoko Masaki, Yoshitugu Tobe
BACKGROUND: Intracisternal dexmedetomidine (Dex) attenuates cardiac dysfunction in rats with intracranial hypertension (ICH). However, the effects of IV Dex on cardiac function and lung permeability during ICH have not been evaluated. We tested the hypothesis that IV Dex attenuates hemodynamic changes and decreases lung permeability induced by ICH in rats. METHODS: Halothane-anesthetized and mechanically ventilated rats were divided into four groups. In two groups, a subdural balloon catheter was inflated for 60 s to produce ICH...
August 2008: Anesthesia and Analgesia
https://www.readbyqxmd.com/read/18544149/novel-use-of-dexmedetomidine-in-a-patient-with-pulmonary-hypertension
#10
Aruna T Nathan, Bradley S Marino, Brian Hanna, Susan C Nicolson
The presence of pulmonary arterial hypertension (PAH) is a significant predictor of major perioperative cardiovascular complications in patients undergoing cardiac diagnostic or interventional procedure or non cardiac surgery under sedation and/or anesthesia. Factors that precipitate a pulmonary hypertensive crisis include hypoxia, hypercarbia, acidosis, hypothermia, pain and airway manipulations. Pain management is challenging in patients with significant PAH. We report the use of dexmedetomidine for sedation and analgesia in a 16 year old patient with significant pulmonary hypertension, pneumonia and impending cardiorespiratory failure...
August 2008: Paediatric Anaesthesia
https://www.readbyqxmd.com/read/16978159/the-effects-of-pre-operative-dexmedetomidine-infusion-on-hemodynamics-in-patients-with-pulmonary-hypertension-undergoing-mitral-valve-replacement-surgery
#11
RANDOMIZED CONTROLLED TRIAL
A K But, U Ozgul, F Erdil, N Gulhas, H I Toprak, M Durmus, M O Ersoy
BACKGROUND: The aim of this study was to investigate the effects of pre-operative dexmedetomidine infusion on hemodynamics in patients with pulmonary hypertension undergoing mitral valve replacement surgery. METHODS: Patients were randomly divided into placebo (group P, n= 16) and dexmedetomidine (group D, n= 16) groups. In group D, a 1 microg/kg bolus dose of dexmedetomidine was administered 10 min before the induction of anesthesia, followed by a 0.4 microg/kg/h infusion until the surgical incision...
November 2006: Acta Anaesthesiologica Scandinavica
https://www.readbyqxmd.com/read/16261821/cardiopulmonary-effects-of-dexmedetomidine-in-sevoflurane-anesthetized-sheep-with-and-without-nitric-oxide-inhalation
#12
COMPARATIVE STUDY
Sabine B R Kästner, Susanne Kull, Annette P N Kutter, Jolanda Boller, Regula Bettschart-Wolfensberger, Mirja K Huhtinen
OBJECTIVE: To determine whether inhaled nitric oxide (NO) prevents pulmonary hypertension and improves oxygenation after i.v. administration of a bolus of dexmedetomidine in anesthetized sheep. ANIMALS: 6 healthy adult sheep. PROCEDURE: In a crossover study, sevoflurane-anesthetized sheep received dexmedetomidine (2 microg/kg, i.v.) without NO (DEX treatment) or with inhaled NO (DEX-NO treatment). Cardiopulmonary variables, including respiratory mechanics, were measured before and for 120 minutes after bolus injection of dexmedetomidine...
September 2005: American Journal of Veterinary Research
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