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Related Concept Videos

Pathophysiology of Heart Failure01:17

Pathophysiology of Heart Failure

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Heart failure (HF) is a progressive syndrome involving ventricles that leads to inadequate cardiac output. It can be classified based on location and output or ejection fraction. Ejection fraction (EF) is an essential measurement in the diagnosis and surveillance of HF. Reduced EF corresponds to systolic heart failure (HFrEF). However, HF with preserved ejection fraction (HFpEF) is becoming increasingly prevalent. Also known as diastolic HF, this form of HF is related to aging. The...
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Heart Failure I: Introduction01:27

Heart Failure I: Introduction

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Heart failure refers to a clinical syndrome caused by structural or functional cardiac disorders that prevent the heart from pumping an adequate amount of blood to meet the body's metabolic needs. This condition often arises from myocardial infarction or ischemia, leading to decreased cardiac output, reduced tissue perfusion, impaired gas exchange, fluid volume imbalance, and decreased functional ability.Heart failure can result from disruptions in the mechanisms that regulate cardiac output...
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Heart Failure II: Pathophysiology01:29

Heart Failure II: Pathophysiology

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Systolic Heart Failure and Compensatory MechanismsSystolic heart failure (also termed HFrEF, Heart Failure with Reduced Ejection Fraction) is the most prevalent type of heart filure. It results in a decreased volume of blood being pumped from the ventricle. The aortic arch and carotid sinuses have baroreceptors that detect reduced blood pressure, triggering the sympathetic nervous system (SNS) to release epinephrine and norepinephrine. Initially, this response aims to boost heart rate and...
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Acute Respiratory Failure-I01:21

Acute Respiratory Failure-I

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Acute respiratory failure is a condition characterized by the inability of the lungs to perform their primary function: gas exchange. This failure leads to insufficient oxygen levels (hypoxemia) in the blood, elevated carbon dioxide levels (hypercapnia), or both, causing critical impairment in organ function.
Definition: It is defined by specific criteria based on blood gas measurements. Hypoxemia happens when the partial pressure of oxygen (PaO2) falls below 60 mmHg. At the same time,...
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Acute Respiratory Failure-II01:21

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Type I Respiratory Failure, or hypoxemic respiratory failure, occurs when the partial pressure of oxygen (PaO2) in arterial blood falls below 60 mmHg while breathing room air without a corresponding increase in arterial carbon dioxide levels (PaCO2). This condition highlights a significant impairment in the lungs' capacity to oxygenate the blood.
The underlying physiological abnormalities that contribute to hypoxemic respiratory failure include:
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Acute Respiratory Failure-V01:29

Acute Respiratory Failure-V

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The treatment for acute respiratory failure varies based on factors like the underlying cause, overall health, and severity. A collaborative healthcare team is essential for early detection, often through arterial blood gas analysis. Identifying the cause is the primary goal, with treatment strategies adjusted for ventilation/perfusion (V/Q) mismatch, shunting, or diffusion impairment.
Ensure that patients are monitored continuously for their response to therapy, including changes in...
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Benefits of Cardiac Resynchronization Therapy in an Asynchronous Heart Failure Model Induced by Left Bundle Branch Ablation and Rapid Pacing
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Late-onset endometrial ablation failure.

Morris Wortman1

  • 1Center for Menstrual Disorders, 2020 South Clinton Avenue, Rochester, NY 14618, United States.

Case Reports in Women'S Health
|March 30, 2018
PubMed
Summary
This summary is machine-generated.

Global endometrial ablation (GEA) offers safe abnormal uterine bleeding treatment but can lead to late-onset failures requiring hysterectomy. Understanding risk factors and patient selection is crucial for improving outcomes.

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Area of Science:

  • Gynecology
  • Minimally Invasive Surgery

Background:

  • Endometrial ablation (EA) is a key treatment for abnormal uterine bleeding (AUB) unresponsive to medical management.
  • Global endometrial ablation (GEA) devices, introduced in 1997, offer improved safety over resectoscopic methods.
  • GEA procedures are increasingly common, with over half a million devices used annually in the U.S.

Purpose of the Study:

  • To highlight the emerging issue of late-onset endometrial ablation failures (LOEAFs) following GEA.
  • To emphasize the need for understanding the etiology and risk factors associated with LOEAFs.
  • To review current knowledge on patient selection, procedure choice, and treatment options for delayed EA complications.

Main Methods:

  • Review of clinical trials and market data concerning GEA devices.
  • Analysis of reported incidence and outcomes of late-onset endometrial ablation failures.
  • Synthesis of current literature on risk factors, patient selection, and management strategies for LOEAFs.

Main Results:

  • While short-term safety and efficacy of GEA are well-documented, a significant incidence of late-onset failures (LOEAFs) is now recognized.
  • Approximately 25% of women undergoing GEA may eventually require a hysterectomy due to treatment failure.
  • An unknown but substantial number of patients experience suboptimal results from GEA.

Conclusions:

  • Physicians need a deeper understanding of the causes and predictors of LOEAFs to minimize suboptimal outcomes.
  • Improved patient and procedure selection is essential for optimizing the success of endometrial ablation.
  • Further research and clinical guidance are needed for managing delayed complications after GEA.