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Patients with hypertrophic cardiomyopathy (HCM) and left ventricular outflow tract (LVOT) obstruction who remain symptomatic despite optimal medical therapy may undergo a septal myectomy (Morrow procedure). This procedure involves excising a portion of the hypertrophied septum below the aortic valve using a heart-lung machine to improve blood flow through the LVOT. Effective preoperative and postoperative nursing management ensures successful patient outcomes, minimizes complications, and...
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IntroductionThe management of Acute Coronary Syndrome (ACS) aims to minimize myocardial damage, preserve myocardial function, and prevent complications.Initial ManagementInpatient management involves continuous cardiac monitoring, preferably in an ICU, focusing on blood pressure, serum sodium, potassium, and creatinine levels, and urine output. Ongoing pharmacologic management is crucial for stabilizing the patient.Supplemental Oxygen: Administer supplemental oxygen if oxygen saturation is...
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Vigilant monitoring for aneurysm rupture is essential for patients undergoing aortic surgery.Preoperative Nursing ManagementContinuously monitor the patient for manifestations of aneurysm rupture, such as pallor, weakness, tachycardia, hypotension, abdominal, back, groin, or periumbilical pain, changes in consciousness, and a pulsating abdominal mass. Regularly assess the patient's peripheral pulses.Instruct the patient to consume a clear liquid diet the day before surgery and administer...
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Related Experiment Video

Updated: Mar 13, 2026

Semi-Minimal Invasive Method to Induce Myocardial Infarction in Rats and the Assessment of Cardiac Function by an Isolated Working Heart System
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Perioperative Myocardial Infarction in Non-Cardiac Surgery Patients: A Prospective Observational Study.

A Ollila1,2, L Vikatmaa2, J Virolainen3

  • 11 Department of Intensive Care, University of Helsinki and Helsinki University Hospital, Helsinki, Finland.

Scandinavian Journal of Surgery : SJS : Official Organ for the Finnish Surgical Society and the Scandinavian Surgical Society
|October 15, 2016
PubMed
Summary
This summary is machine-generated.

Perioperative myocardial infarction (PMI) is common in non-cardiac surgery patients, affecting 7.0% and increasing 90-day mortality to 29.6%. Routine use of the perioperative risk calculator is supported for predicting PMI.

Keywords:
Prospectivemyocardial infarctionnon-cardiacobservationalperioperativerisksurgerytroponin T

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Area of Science:

  • Cardiology
  • Perioperative Medicine
  • Critical Care

Background:

  • Perioperative myocardial infarction (PMI) is an underdiagnosed complication with significant morbidity, mortality, and healthcare costs.
  • Limited evidence exists regarding preventive and therapeutic strategies for PMI.

Purpose of the Study:

  • To investigate the incidence and outcomes of PMI in patients undergoing non-cardiac surgery.
  • To identify a target population for future interventional trials on PMI.

Main Methods:

  • Prospective single-center study of 385 non-cardiac surgery patients aged 50 years or older.
  • Systematic ischemia screening using high-sensitivity troponin T and electrocardiography.
  • PMI diagnosis required troponin T release and ischemic signs/symptoms; perioperative risk calculator used for risk assessment.

Main Results:

  • The incidence of PMI was 7.0% (27/385 patients), highest in vascular surgery (11.0%).
  • 90-day mortality was significantly higher in patients with PMI (29.6%) versus without (5.6%; p < 0.001).
  • The perioperative risk calculator demonstrated fair predictive ability for PMI (AUC 0.73).

Conclusions:

  • PMI is a frequent complication of non-cardiac surgery with a nearly 30% 90-day mortality rate.
  • The perioperative risk calculator's fair predictive performance supports its routine clinical use for risk assessment.