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Troponin T arthroplasty

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https://www.readbyqxmd.com/read/26925513/sleep-apnea-in-total-joint-arthroplasty-patients-and-the-role-for-cardiac-biomarkers-for-risk-stratification-an-exploration-of-feasibility
#1
M Melanie Lyons, Nitin Y Bhatt, Elizabeth Kneeland-Szanto, Brendan T Keenan, Joanne Pechar, Branden Stearns, Nabil M Elkassabany, Stavros G Memtsoudis, Allan I Pack, Indira Gurubhagavatula
Obstructive sleep apnea (OSA) is highly prevalent in patients undergoing total joint arthroplasty (TJA) and is a major risk factor for postoperative cardiovascular complications and death. Recognizing this, the American Society of Anesthesiologists urges clinicians to implement special considerations in the perioperative care of OSA patients. However, as the volume of patients presenting for TJA increases, resources to implement these recommendations are limited. This necessitates mechanisms to efficiently risk stratify patients having OSA who may be susceptible to post-TJA cardiovascular complications...
2016: Biomarkers in Medicine
https://www.readbyqxmd.com/read/26156715/myocardial-ischaemia-after-hip-and-knee-arthroplasty-incidence-and-risk-factors
#2
Anne Ruth Bass, Tomás Rodriguez, Gina Hyun, Francisco Gerardo Santiago, Jacqueline Ilji Kim, Scott Christopher Woller, Brian Foster Gage
PURPOSE: Because the occurrence of postoperative myocardial ischaemia (MI) predicts subsequent cardiac morbidity and mortality, we determined the prevalence of and risk factors for MI in hip and knee arthroplasty patients. METHODS: High-sensitivity cardiac troponin T (hs-cTnT) was measured on stored samples from postoperative day two in 394 hip and knee arthroplasty patients ≥ 65 years of age enrolled in the Genetics-InFormatics Trial (GIFT). RESULTS: Fifty-three (13...
October 2015: International Orthopaedics
https://www.readbyqxmd.com/read/25132247/does-dexmedetomidine-have-a-cardiac-protective-effect-during-non-cardiac-surgery-a-randomised-controlled-trial
#3
RANDOMIZED CONTROLLED TRIAL
Lili Xu, Zhiyong Hu, Jianjun Shen, Patrick M McQuillan
This study was designed to determine the effects of dexmedetomidine on perioperative myocardial injury by observing peripheral circulatory changes in response to tracheal intubation and extubation, myocardial enzyme levels, myocardial ischaemia improvements, cardiovascular adverse events and cytokines in patients with coronary heart disease (CHD) undergoing non-cardiac surgery. This study was a prospective, randomized, double-blind trial. Eighty patients having CHD were scheduled for elective hip-replacement surgery and randomly allocated to receive a loading dose of 1 μg/kg dexmedetomidine followed by a 0...
November 2014: Clinical and Experimental Pharmacology & Physiology
https://www.readbyqxmd.com/read/23296557/-prospective-randomised-study-of-the-bauer-and-almi-approaches-concerning-mri-findings-and-muscle-specific-blood-parameters
#4
RANDOMIZED CONTROLLED TRIAL
J Jerosch, S Stobbe, G Schmid, J Schunck, T Filler
PURPOSE: The purpose of the present study was to evaluate the MRI of the hip musculature as well as specific blood parameters on comparison of the Bauer approach with the minimally invasive ALMI approach. MATERIAL AND METHODS: We compared two patient groups after total hip replacement, which were operated either via the Bauer or the ALMI approach. All 47 patients had the same cementless hip design. All surgeries were performed by two experienced hip surgeons with experience of more than 1200 ALMI approaches...
December 2012: Zeitschrift Für Orthopädie und Unfallchirurgie
https://www.readbyqxmd.com/read/22161244/persistent-hypothermia-after-intrathecal-morphine-case-report-and-literature-review
#5
REVIEW
Kenneth F Ryan, James W Price, C Brian Warriner, Peter T Choi
PURPOSE: To describe a case of persistent hypothermia following spinal anesthesia with intrathecal morphine. CLINICAL FEATURES: Following elective right total knee arthroplasty under spinal anesthesia with isobaric 0.5% bupivacaine 11 mg, fentanyl 15 μg, and preservative-free morphine 150 μg, a 57-yr-old female (93.5 kg, 151 cm) developed postoperative hypothermia with a nadir rectal temperature of 33.6°C four hours after surgery. At times, her temperature could not be measured by tympanic, temporal arterial, oral, axillary, or rectal routes...
April 2012: Canadian Journal of Anaesthesia, Journal Canadien D'anesthésie
https://www.readbyqxmd.com/read/19707119/effect-of-beta-blocker-prescription-on-the-incidence-of-postoperative-myocardial-infarction-after-hip-and-knee-arthroplasty
#6
Wilton A van Klei, Gregory L Bryson, Homer Yang, Alan J Forster
BACKGROUND: American College of Cardiology/American Heart Association guidelines recommend beta-blockade for selected low- and intermediate-risk noncardiac surgery patients. The authors evaluated the effect of perioperative beta-blockade on postoperative myocardial infarction (POMI) in low-risk patients undergoing intermediate-risk surgery. METHODS: Patients who underwent elective hip or knee arthroplasty between January 1, 2002 and June 30, 2006 were identified...
October 2009: Anesthesiology
https://www.readbyqxmd.com/read/17087646/evaluation-of-cardiac-involvement-following-major-orthopedic-surgery
#7
Martina Montagnana, Giuseppe Lippi, Dario Regis, Cristiano Fava, Gino Viola, Pietro Bartolozzi, Gian Cesare Guidi
BACKGROUND: Cardiovascular morbidity is frequent after non-cardiac surgery and the early recognition of cardiac involvement is an essential tool for clinical risk stratification and management. The aim of this study was to investigate the behavior of traditional and emerging cardiac markers, including NT-prohormone-brain natriuretic peptide (NT-proBNP) and ischemia-modified albumin (IMA), in the perioperative period in patients undergoing major uncomplicated orthopedic surgery. METHODS: A total of 37 patients undergoing major orthopedic surgery were longitudinally evaluated for NT-proBNP, IMA, cardiac troponin T (cTnT), creatine kinase isoenzyme MB and myoglobin 3 h before surgery and 4 and 72 h thereafter...
2006: Clinical Chemistry and Laboratory Medicine: CCLM
https://www.readbyqxmd.com/read/17046850/rhabdomyolysis-in-an-obese-patient-after-total-knee-arthroplasty
#8
C Karcher, H-J Dieterich, T H Schroeder
We report the case of a morbidly obese patient who developed rhabdomyolysis with acute renal failure, hepatic dysfunction, and an increase of cardiac troponin-1 after total knee arthroplasty. Postoperative rhabdomyolysis has a wide range of triggers and differential diagnoses that should be considered by the anaesthesiologist and surgeons. We would like to emphasize that morbidly obese patients have an increased risk of developing postoperative rhabdomyolysis potentially leading to life-threatening disease...
December 2006: British Journal of Anaesthesia
https://www.readbyqxmd.com/read/15023100/peri-operative-troponin-i-concentration-as-a-marker-of-long-term-postoperative-adverse-cardiac-outcomes-a-study-in-high-risk-surgical-patients
#9
H Higham, J W Sear, Y M Sear, M Kemp, R J L Hooper, P Foex
We have previously demonstrated that the peri-operative measurement of increased serum concentrations of the cardiac markers troponins I and T and creatine kinase-MB can be predictors of major cardiovascular outcomes (including cardiac death) at 3 months after surgery. In the present study, we have followed the postoperative course of 157 patients undergoing major vascular surgery or major joint arthroplasty to 1 year using a patient questionnaire, general practitioner follow-up and case-notes review. Increased postoperative marker concentrations were defined as values greater than the upper reference limit...
April 2004: Anaesthesia
https://www.readbyqxmd.com/read/10919418/increases-in-serum-concentrations-of-cardiac-proteins-and-the-prediction-of-early-postoperative-cardiovascular-complications-in-noncardiac-surgery-patients
#10
F Neill, J W Sear, G French, H Lam, M Kemp, R J Hooper, P Foex
We investigated the use of measurements of serum concentrations of the cardiac proteins troponins I and T as biochemical markers of myocardial cell damage in 80 patients undergoing vascular or major orthopaedic surgery. Holter electrocardiographic monitoring was carried out before surgery and for 3 days after surgery. Blood samples for troponins I and T and creatine kinase-MB isoenzyme were taken on each of these 4 days. Outcome was assessed at 3 months using a patient questionnaire, general practitioner follow-up and case notes review...
July 2000: Anaesthesia
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